SCIENTIFIC ABSTRACT KULEV, L.P. - KULEZNEV, V.N.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000927410015-2
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 23, 2000
• Sequence Number: 15
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

KIULEV, L.P.; VOR,01,'OVA, K.R.
Azo deriva ivou of barbiLurie rend thiobarbituric acids and ti.--ir
physiological activi,,y. Izv.TPI 111:3C'-35 161.
16:")
(Barbituric acid--Phyz;ioloCicaj effoct)
(Azo comnpourds)

KULEV, L.P.; STEPNOVA, G.M.; TABINSKAYA, P.F.
Substituted amides of 4-nitro-2,21-diphenic acid. Izv. TPI 12601-52
164. (MIRA 18t7)

KULRV, L.P.~ GIREVA, R.N.; MLYAYF:VA, A.P.
Diphenic acid eaters. Part 41 14onoaryl esters of diphenic acid and
their insecticide activity. Izv. TPI 126153-54 164. (MIRA 3.80)

- NUMVP N.; BEZZUBENKO., B.
Modernization of the drive of the automatic hamburger Shapero Riaa,indo
SBSR 33 no.3:46-47 162. WIRA 25:7)
1. SemipalatinWdy myasokombinato
(Meat industry-Equipment and supplies)

KTJIL. v . IT.
Fastening of the blades of R-ISh-340 and RfSh-650 fill raxers. Mias,-
ind. =R 33 no.3:48-49 162. (MIFU 15:7)
I., Seipdpalatinskiy myasokcvbinat.
(lUxers (Machinery)) (:!,-,-t industry-Equipment and supplies)

S/135/6 1/C)00/009/C)06/C)06
AOC)6/AIOI
AUTHOR- Kulev, Yu. I., Engineer
TITLE: One-sided argon-are welding of thin sheet steel with least rein-
forcement of the weld on the reverse side
PERIODICAL: Svarochnoye proizvodstvo, no..9, 1961, 27
To produce weld Joints without reinforcement on the reverse side,
,he author used argon-arc welding with non-consumable electrode, with or with-
out. filler wire and one or two high-frequency (480 cycles)A C-100 (PS-100)
tr,gmsformers. Structures of 3 and 2.5 mm thick 25A FC A(25HhGSA) and 304r(, A
(3OKhGSA) steel were welded. When employing one PS-100 transformer for welding
3 mm thick 25KhGSA steel at.10 m/hr speed, 115 - 120 amps current, and 10 m1hr
filler wire feed, an u~ to 0.4 mm deep meniscus wa 's formed on the internal side
of the weld joint. When using two parallel connected transformers for welding
3 mm thick 25KhGSA steel at 165 - 175 amPs current, 16 m/hr welding speed, 16
m/hr filler wire feed and 3 mm diameter tungsten electrode, the reinforcement
on the reverse side was 0 - 0.2 mm thicky, and 0.3 - 0,6 mm on the external side
of -~he weld. When producing weld Joints without filler wire at 115 - 120 amps
Card 112

One.-sided argon-are welding ...
S/135/61/000/009/006/006
Aoo6/Aiol
cur
. rent and 13 - 15 m/hr welding speed, using 2 mm diameter tungsten e ectrodes,
a weld joint with a 0.1 mm meniscus on the intecnal side was obtained. The use
of a'copper backing plate did not affect the thickntes of' the reinforcement on
the reverse side. The welding procoaa with the use of a PS-100 transformer is
characterized by a large penetration width of -.-,he butt on the internal side
which is equal to about 70% of the external weld width, and by a smaller molten
pool than in welding on d-o or a-c of power frequency. There are 3 figures.
Card 2/2

A.,7.
34027 KULF.7A, Norralizatsiya
Zapravok V L,,,entotPnchyestrre
Prom-st, 1949, 'No. 9 S. 22-24
SO: Letopis'ZhurnalInykh Statey, Vol. 4-9, Mos!nra, 1949

AV I i - i 7`~f 14 1 1-
Y.1- ~ I i , F)
iluikl A 11. __,.
r
Calculating the consumption of rubber filaments. Log. prom. 17 no.12:
32-35 D '57. (MIRA Iltl)
(Rubber goods)

IVATJDV, V.A., kand.tekhn.nauk; OLEVA, A.K., inzh.: RYIISKIY, G.V., inzh. I
Synthetic subotitutpo for metals. Leg.prom. 18 no.12:35-37
D 158, (MIRA 11:12)
(Metals. Substitutes for)

UJLEVA, A. K.
Now ribbon loomag Takst.prom. 19 notl;41-44 Ja 159.
(MIRA 12il)
(Looms) I

KULEVA, A.K.1inzh.; FILDIA, N.V.,inzh.
New SYY-52 and LP-53 braiding machineo. Tekot.prom. 19 no.2:
40-42 F 159. - (MIRA 12:5)
(Textile machinery)

KULEVA, A.K.; FILINA, N.V.; MI M~YLOV, N.A.
Nqw ShP-24 braiding machine. Tokst.prom. 19 no.12:49-51
D 159. (MIRA 13:3)
(Braid) (Textile machinery)

KULEVA, A.K.
Moclutnization and automation of tht, basic and amillary
operatiom in the ribbon weaving industry. Tekst. prom.
24 no.2:56-58 F 164. (MIRA 17:3)
1. Zaveduyushchiy tekhnologicheskLm otdelo!li Voesoyumcgo
nauchno-issledovatellskim institutom tokstillno-galantereynoy
promyshlonosti.

-1
Fauna in the Lower Cretaceous sediments of the trans-Ural syrt and
t,hL) plIddle Ilek Blain. Uch.z!tp. SGU 7j'.'.IV,-150 160. (MIRA 15:7)
Nral Mountain region..-Paleontology)

. - 1,7-r- ~ 7
- -i-1, ~. I .
, " ~~,f Z;u !-I. lc,. t ir, 1 ',-,; Y%-r-,,--,,; ,,- i,., ~:. , ;1'1, ~ ~,'. , .'* . , , ,* "; _. , I L -- .
-, i ~ - -. , 1, .1 .1 1 1
- - r Iz 1.
I - + .

TSUPAK, Valerian Yedorovich, kand.sel'ekokhozysyutvennykh nauk; ,-IWIAVA,
Ira ida.j~o4qrovnim, kand. eel I skokhozyaye tvannykh nauk; SINYAKOVA,
Lidiya Andreyeyna, kand.biol.nauk; VOROBIYNV, F.I., red.; GHUUYIVA,
Z.V., tekhn.red.
(Practical laboratory experiments in plant culture3 Laboratorno-
prakticheskie zaniatiia po rastentevodetyu. Moskva, Gos. izd-vo
sellkhoz. lit-ry, 1957. 255 P. (MrRA 11:4)
(Plants, Cultivated)

dots., kand. sellkhoz. nauk; VALIM 0
, ~ 11K VA, V.K., red.;
TIKHONOVA, I.M., tekhn. red.
[Sugar beets; practices In growing sugar beets in Leningrad
Province] Opyt vozdelyvaniia sakharnoi avekly v Leningrad-
skoi oblasti. Leningrad, Lenizdat, 1963. 113 p.
(MIRA 16:10)
(Leningrad Province--Sugar beets)

KNYAZEVA, T.S.; KORSHAK, V.V.; AKUTIN, M.S.; KULEVA M M - VINOGRADOVA, S.V.;
. RODIVILOVA, -L.A.; NEDOPEKINA, T.F.; VAL8TSFfi_-_~__!M,; HDROZOVA, S.A.;
J,
SALADUN, S.N.
Possibility of using various polyarylates as
materials4 Plast. massy no.12:37-1+0 162.
(Acids, Organic) (Polymers) (Insulating
insulati4 film
(MIRA 16:1)
materials)

L 11235-66 Drf (m)/EWP I A C(m) VIVIAM
0 'A
C NR1 AP6002214 SOURCE COM UR/0080/651038/012/2728/2734
fy -q 1K Ts, 4_5
on, 6M.; Yakovl~ Y#
,AUTHOR: Kot - M~ ~~L I.; Rudakov.V P. Knzazeva, T. S.; Flo-rinski
F. S.; Bessonov, M. lo! KU-re-Va. M. H.. Toiparova, U. AA; Lavua. M a-
5 -1)
ORG: Institute of Macromolecular Compounds,%M SSSR (Institut vysokomolekulyarnykh
6oyedinenly WN SS R) 91A 55 11,44,51
TITLE: Preparation and physicomechanical properties of polypyromellitimide
SOURCE: Zhurnal prikladnoy kh1m1i, v. 38, no. 12, 1965, 2728-2734
TOPIC TAGS: heat resistant plastic, fire resistant material, dielectric material,
poly1mide, polypyromellitimide/lPiS.La
ABSTRACT:' A study has been made of the preparation and physical and mechanical
properties of a polyimide, viz., polypyromelliiimide. ~ddt results showed-that
the polymer inay find widespread use as a heat resistan0and low temperature resistant
material, and is of special interest as a high temperature film dielectric. A Poly-
pyromellitimide film similar to the U.S. H-film was prepared from pyromallitic 'an-
hydride and bis(4-aminophenyl) ether:
Co CO, 110-C0 CO_01(
0 )114Q0 + 11,N-1t-N11, --&' >j/
< I-NII-co \C0_1q11_R-
W'C
\C
Card 1/2 C

L 11235-66
ACC NRI AP6002 214
Polycondansation to the polyamido acid intermediate was carried out at 15C. Poly-
~yromellitimide films were prepared by drying solutions of the polyamido acid an
glass substrates at 20-40C followed by heat treatment at'80-400C to produce im-
idization. Optimum preparative conditions were. determined. The films were trans-
parent, gold-brown in color#., thermally stable, nonburning at up to 600--.~-700,c, un-
affected by organic solvents, highly resistant to y- and UV radiation, low temper-
ature resistant, nonshrinking, resistant to humidity$ and readily metalized. In
its mechanical properties at higb temperatures, the material surpasses all existing
polymers. These properties can be further- improved by orientation stretching, after
which they approach those of glass-reinforced plastics d metals. Orig. artg hass
5 figures and 3 tables. ism)
SUB CODE: 1l/ SUBM DATE:
ATD PRESS:
Card 2/2
O8Mar65/ ORIG REFt 008/ OTH RM 011/

PONOMARVi-STEPNICU) N. N.; SMIMU1, 0. N.; KULE;VA,-R. N-
"Investigation on System with Zirconium Hydride Moderator."
report submitted for 3rd Intl Conf on the Peaceful Uses of Atomic Energy,
Geneva, 31 Aug-9 Sep 64.

1 6081-66 EvIT (m)/274P (t)/ "Eri IJP(o)__ JD
ACC N" AP6016300 M SOURCE CODE: UR/0075/66/o2l/ool/0046/0052
AUTHOR: Kulevaj, V, M.; Popove, A. N. -~o
ORG: Leningrad Pedagogical Institute im. A. 1. Gertsen (Laningradakiy
,pedac-ogicbeskiy institut)
1
TITLE: Use of o-nitrobenzolc sold for quantitative determination of
zirconium and bafnium
"burnal analiticbeskoy khimii, v. 21, no. 1, 19
SOURCE: Z 66s 46-52
ITOPIC TAGS: bafnium, zirconium, quantitative analysis
ABSTRACT: The starting solutions of zirconium were prepared from
zirconium chloride twice recrystallized from bydrochloric acid. The
hafnium solutions were prepared from "experimental" grade bafnium
hydroxide which was then dissolved in concentrated hydrochloric acid*
In the precipitation of zirconium or bafnium the procedure was as
follows. To a. determined volume of astandard solution of zirconium or
bafnium salt there was added a corresponding amount of concentrated
hydrochloric acid to create the required acidity,, and the solution was
heated to the start of boiling, For each 100 ml of the final solution
there was added about 5 grams of ammonium nitrate or, oblorlde. Thens
UDC: 543s

L 36081-66
ACC NR- AP6016300
!SL hot 1-5106" solution of o-nitrobenzoic acid was added with constant
stirring. The precipitate was filtered and calcined to constant weight
in a mufflo furnaco. The experimental rosults ore prosonted in a sories
lof -figures and tables. It is shown that, for selectivity and sensiti-vit-
o-nitrobenzoic acid is not inferior to m-nitrobonzoic acid, and that it
has the advantage of a greater solubility In water and a higher
ionization constant, The composition of the zirconitim and bafnium
o-nitrobenzoates precipitated depends on the acidity of the medium.
Ti(IV), Ti(III), Sn(IV) and Sn(W InWfere with the precipitation
process. In the presence of Tb , Fe , and Cr3+ reprecipitation is
necessary* Origo art, has** 3 figures and 6 tables.
ISUB CODE: 07/ SUBM DATE: 22Dec64/ ORIG riEF: 007/ OTH REF: 015

__14TIL , V.11,; FOPOVA, A.11.
Use of o-nitrobenzoic acid for the quantitative dete.7~-.-.,Inatior,
of zJxconimn and hafnium. Zhur. anal. khim. 21 no. 1:t46-52 166
(MMIA 19:1)
1. Lenirgradskly pedapgIchesk-ly Institut Imeni Gertsena.

Ki'Ll,~7,-.7 " ", IJ . .- . I
Boots and Shoes - Trade and Manufacture
Construction of uppers of the shoe "Parko 2.11
Leg. prom. 12 no. 4:45 'p 152
Monthly List of Russian Accessions, Library of
ongress, July 1952. Unclassified

KULEVATSKIY, S.
Expanding ticket sale lby booking offices. Avt. transp. 41
~0. 6:18 A 163. (MIRA 16:8)
1. Zamestitell upravlyayushchego Tambovskim oblastnym av-to-
mobillnym trestom po passazhirskim perevozkam.

a,vj1T?quTAV VXV1jfluqpqzvjoi, uluu.:nqz -+u9puodsajioX SXuluqqsaN -T
WvT yulw)
-~qj 0 el`,Cij*OU T~ 'AU 'PqZS,:rt *f,2ojcpoqj9m uT stuaTqojd ou.,oS
,~o-,.~adsuT-,Ao'jTd Xf qoan I s -

MCLZVSUY, Georgiv Kikhaylovich,- nWVOiA,, A.M., red.; GABKRLAND,
M.I., tekhn.red, --- - I - - -
(Doctor's advice to the athlete] Sovety vracha sportsmenu.
Koskva, Goo.ind-vo ned.lit-ry, 1938. 188 p. (MIRA 13:4)
(Fill CAL EDUCATIOU AIW 7RAINING--HrGINNIO ASPICTS)

YEROFEYL-79 B.V.; NAUMOYAF S.F.1 KIJLI.,;VSKAYAs 1,V.
Initiation of ethylene polymerizaticn by the action of a complex
consisting of etherateo of Gr-J'.,-*'Mrd compounde and titanium tetra,~-
chloride. Sbor. nauch. rab. Inst. fiz.-org. khim. AN BSSR no.8:80-
82 160. '04IRA 14:3)
Ntk- 1. Institut Miko-organicheskoy khimii AN BSSR.
(Ethylene) (Polymerization) (Titanium compounds)
-Y, - Ll

S/1q0/6-/003/O!I/O'-'-'I'OI6
B110-101
AUTHORS- Yerofeyev, B, V,~ , Nuumova S, F,. . Kulevskay,~, ~., V . Mardyktn
V P , Tsykalo, L, G,
T[TLE; Polymorization of (,thylon-~ in the pra~,,?ncp of the triethy-~
aluminum anisolate arid titanium tt!trachl,)rid,~ comulex
PERIODICAL;- VysokcmoIekulyarnyyf- soyed:.neniya, v 3, no 1,1, 19"1 70~'
- 1707
TEXT: initiators from tr-Lethyl alum;-num arn-,solat-? (A) and TiC! (T)i for
~,thylene poiym,~,rization have low gelf -inflaminabil-.-Vi The authors sil.ud-.ed
'h~ protorties of polyethylen- (PE) produced with thom, and the effect of
~~.e A!T rati-o on its properties. The AI(C 2H CH30C 61. was prPPRred by
rea,~tion of bromo ethyl with MIg-AI -alloys (~OY, A!; 60;'L MR. in an~sc~-Ie).
mo!~/I;t,~r of A (boili-ng point 97 - '10') C/4-5 mm qe) -~-Ias dissc.~Ive-d in
n h-p-.ane, The T~Cl A concentration in r-heptane was 0 4
Ethylene was pressed into the reaction vessel at 12 liters/hr, At fl:,-%t
n heptarie, after this TiCl in n-heptarc-., and thon. during 1 min, A in
/1 4
Vard V5

S/1 90/6'/00 ~/O 1 1 /0 -~ 2,~C)
Polym-~~ri zat ton of ethylenz, in the. 3 1 i0/ B 101
n - h e p t an ~? war r- ald a d., After 20 min, PE was precipitated by means of
c if.5CH wiith 51,-o' FfC--I The -abulated vaiu,-s w-?re found uLder atmosphz-c
nv
.11 0 The density Ln raixture was
reasing A~T ratio and ronsianT T. the molecular
7 '.Vith t, I Ill/
-1-i z of PE -cps. Then; "he aV~UrT cf k d,--~rrmi-nr?s th-:~ num-1-r of
-.zi,-%!tjrjg polyMpr masrc~mclesuie chains Thi- A~T ratio was :n
L
5 and 1,6 1-3 t~,-st 6, Wh-~*Ie PE o1rila-npi by meals :.f
T, c t 67 000
7;-.n,.im anu ~R~~f, see b~~Iow) had molesular wei-hts cf 0
4 0
tho ecu' ar h t
mperatlures of 1!6 - 159T`C,
--0 0 -0 0 a n d m e f, r, g t e,
wthorv-,.1 t'S were? 91,000 516~000. tho MI-ItIIIE
'he thi-: C- i? o m p j.~ u n
T i C a 0 :3 - e d 1r; tTilSoln; .-n- 1 7 a T ~,b ~, b
am
rle po n -
w;-,. n c - Fri L, ~z 11 -a- i~ u,,rk c .1 r
9 -,Or, `!10
b,,V! i r kt;

-0/ 1 "W61 /L)03/011/012/01 6
14,1.il'nuri ~ ~A,'j ort u r (~ tliy I une in t lie ... Bi IO/B10 I
A';S~; C1 AT] ~i M lnstitut fizikoorCaniclieskoy khimii All B-1511 (Institute of
and Or,-anic Chemistry hS B'JS11)
:~UBI'ITT;E,D: Ducember 26, 1960
T ~ub I (~ . polyii-ic-rization.
L, IAL(1: t (3)
no. ; (2) amount of initiLtor comporientg; millimoles;
(4) polyethyleric yield, g; (5) molecular weight; ( 460) meltinL, point, 0 C.
J(O.,IIIqwruo
0
sfoaeuY.1FTPFtFAA
01114T T. C
A. T AIT 8 Dec
J,23 60 0.2t 1,37 31 G (M 128
2. 2,47 6:0 0,41 1,08 250000 Cx)
Tab I e :1 .1,70 6,0 0,62 2,60 1800W 127
1 3,51 5 0 0,70 q 34 - -
~'Sq 91 (0) 110
5 10,95 O's- 1
6 6,57 4,0 I't;i 2,52 91 O(X) t30
Card 3/2

S/786/61/000/009/001/006
1065/1242
AUTHORS: B.V.Yerofeyev, S.F.baumovat V.P.Markykin, I.V.Kulevskaya,
L.G.Tsykalo
TITLE: The dependence of the molecular weight of polyethylene
on the TiCl4 /Al(iso,-C4H9)3ratio'in the Ziegler catalyst
SOURCE: Akademiya nauk Belorusskoy SSR. Institut fizik6-organi-
cheskoy khimii. Sbornik nauchnykh rabot. no.9. 1961.
b:onomeryt svoystva i protseesy polucheniya polimerov.
59-62
TEXT. In the poljmerization of ethylene initiated by a Ziegler
catalyst with excess TiCl , the moleculai Wei ht of the polyethy-
lene obt,Aned increases with decrease of the fAlR3]/[TiCl4] ratio
These findings disagree with the data of Badin (J.Am.Chem.Soc. 80:
6545, 1958). The polymerizations were carried out in a glass
vessel equipped with mechanical stirrer, reflux condenser, gas in-
let tube and a burette for the introduction of the dissolved cata-
lyst components. Molecular weights were determined viscometrically
Card 1/3

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depe"'d'
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11cen 0 j,50.t e Iivai rt
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'P'Pr ~Tir,14 P"J, 3 0 -tbe prOPO
bei-119 verselY claar
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10%Ner C 01yu," r
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ollent a aLpgree 0,.t-1011
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The depende-nee
weight ol' the Molecular 3/786 6-11000100
Tici. iof P01yeth.Ylene Y, "
1065 .1242 9100-11006
FAIR I/J[retjo When [AIR$."" Increase 011 deCreasing the [Alp
3 TICI 41 ratio wh ~10 < ITI
n [A, R ]C141 o
3 0 fTPjCr -on AncreasinE the
3
4.10, There are 3 tables.
Card 313

L 13526-66 EWT(m)/-L/EWP(J) IJPtC) YfN/KM
.ACC NR, AP601562 '(A) SOURCE CODE: UR/0190/66/0,. 9/005/0876/0881
ALMIOR: Kulevskayal I, Y'.; Yerusalimakiy, B. L.; Mazurek, V. V.
ORG: Institute'of Macromolecular Co!2ounds, AN SSSR'(Institut vysokomolek4larnykh
soyedineniy AN SSSR)
TITLX: PolymerizationAkinetice of the acrylonitrilelunder the effect of
butylmagnesium chloride
SOURCEt Vyeokosolskulyarnyya soyedineniya, v. 8, no. S, 1966, 876-881
TOPIC TAGS: polymer, monomer, polymerization kinetics, acrylonitrile,-M
chloride7tolueneI *",99WES04V*t
ABSTRACT: The kinetics of polymerization in the system acrylonitrile, toluene, and
butylmagnesium chloride at -75C has been investigated. A mechanism of the
polymerization process involving elementary stages through intermediate complexesj
was proposed. For the initial stage of polymerization, the first order of the
catalyst and the second order of the monomer were shown. The molecular weight of
the polymers exceeded 200,000. Orig. art. has: 7 figures, 9 formulas, and 1 table.
SUB CODE: 07 / SUBM DATE: 13May65/ ORIC REF: 006/ OTH REF.- 012
1 r9.0. . UDC! 66.095.26,+678.745
A
V5�

L 37646-66 FWT(m)/!-MP'J) IT RM
~j 1-1
ACC N
AP6o11237 (A) SOURCE CODE: UR/0413/66/000/006/0075/0075
INVENTOR: Yerusalimskiy., B. L. Kulevskaya, L V.; Kamalov, S. K.;
Frenkell, S. Ya
ORG: none
Tl=-: Preparation of PolyacrylonitrilZ class 39, No. 179225
announced by the Institute of High-Molecular Compounds, TN SSSR
Rnstitut vyoolcomolekulyarnykh Boyedinoniir AN SSSR)j
SOURCE: Izobreteniya, promyshlennyye obraztsy, tovarnyye znaki,
no. 6, 1966, 75
TOPIC TAGS: polyacrylonitrile, acrylonitrile, polymerization
ABSTRACT: This Author Certificate introduces a metDod of preparing
polyacylonitrile by polymerizationlof :,crylonitriled) in a hydrocarbon
solvent at about -75C in the preFe-Hce of :,rear~7,agn6sium catalysts.
To extend the variety of organoma-nesium catal,' -:~s,_c omplexes".of
magnesium allcyl halides or magneskum alkyls wit. limethylsulfOxide
are suggested. [LD)
SUB CODE:
Card 1
11 07/ SUBM DATE: 1-
vmb
UDC: 678-745.32

YERUSALIMSUY, B.L.; lULjYaY4jA,. I.V.
Polymerization of acrylonitrile undor tho efff)ct of organomagnesium
compounds. Vysokomooed. 7 no.1:184-3.85 Ja 165. (MIRA 18:5)

JajLMVSKIYk'bP"
The work of Innovator Savrochkin's crew (Trust no.25). Strol.pred.saft.
proms 1 no.1:26-27 Mr 156. (KM 9:9)
(Bricklaying)

AID Nr. 973. 20 Hay
.~VUDY OF RUBY LASER AT LIQUID NITROGEN TEMPERATURE (USSR;
W
Xonyukhov, V. K. , J:t. ~A. K~ulevs~ki , and A. M. Prokhorov. IN: Akademiya
~ W
'pauk SSSR. Doklady, v. 149, no. 3, 21 Mar 1963, 571-572.
S/020/63/149/003/012/028
Spectral components of ruby laser emission corresponding to laser transitions
to the � 1/2 and + 3/2 components of the ground state have been studied at 77.4*F.,
A light-pink ruby sample 6 mm in diameter and 60 mm long was used, with one
end silver-coated and the other uncoated. The laser beam was passed through
a Fabry-Perot interferometer with a 0.20-cm air gap into a long-focus camera,
where it was either photographed on red-sensitive film or separated into the
t1oo components by a mask. In the latter case each component was detected
aj~parately by a photomultiplier, and the two signals were registered by a
dual-beam oscillograph. Near the laser threshold only the + 3/2 (short-wave)
component was observed, the other appearing at higher pumping energies. The
frequency difference of the two components, calculated from the interference
pattern (0.36 � 0.03) cm- I agrees, within the expeeimental error, with a
value calculated from the splitting of the Cr3+ ground state in the A120, lat-
tice (the ground, state being determined by EPR methods). It was determined
Card 1/2

AID Nr. 971-13 220 Aq
STUDY OF RUBY [Cont'd)
8/020/63/149/003/012/028
that the components carry -'different fractions of the output energy: near the
threshold the short-wave component carries most of the energy, while the
long-wave component increases to 21 :L 116 of the short-wave component con-
siderably above the threshold. The time variation of the two components
was shown to,be quite dissimilar. The short-wave component was generated
in 0 .5- to 0 . 8 V sec, and its duration increased with increased pumping energy;
the long-wave component was generated in 0.1 to 0.15 V sec, and its duration
decreased with increased pumping energy. [BB]
Card 2/2

KONYUKOV V.K.; KULEVSKIY,,,._~~+; FROMMUROV, A.M.
.9
Ruby-operated lauer with a generation length of -10 msec.
Zhur. eksp. i teor. fiz. 45 no.4:857-862 0 163. (MIRA 16:11)
1. Fizicheskiy institut imeni P.N.Lebedeva AN SSSR.

KONYUKHOVY V.K.; ~ULEVSKIY.,.L.A.; PROKHOROV, A.M.
Internal oscillation types In a ruby laser. Dokl. All SSSR 154
no.5:1072-1074 F164. (MIRA 17:2)
1. Fizicheskiy institut im. P.N. Lebedeva AN SSSR. 2. Chlen-
korrespondent AN SSSR (for Prokhorov).

;pg-
34
M.
im

jgo

_I- ~qe 4~- -
ME M-1,

NR~ AP41JI65U4
lilizu; 014; IJ41vvl)/ IV-fl IV 111
gumw
~-,-130. SIMON-

KONYUKIIOVY V.K.; KIJLEVSKIY, L.A.; PROKHOROV, A.M.; SOKOLOV, A.K.
Spectrum of a ruby optical maser with external spherical mirrors.
Dokl. AN SSSR 158 no-4:824-826 0 164. (MIRA 11:11)
1. Fizicheskiy institut im. P.N. IBbedeva AN SSSR. 2. Chlen-korres-
pondent AN SSSR (for Prokhorov).

va 5 ZM

k)-2/T/F'~'iP(t)/-,iP(k)/E~4P(b)/E~IA (m
ACC NR~ AP50269TU SQTB/Ijl,~c) VrGIJD~effl SOURCE CODE: UR/0020165/164/oc
AUTHOR: Konyukhov, V; K.; KLul~evski , L. A.; Prokhorov, A. M.
ORO: Physics Institute im. P. N. Lebedev,_,kqa of Sciences SSSR (Fizicheskiy
institut Akademii nauk SSSR) V
TITLE- A cadmium sulfide laser using two-photon excitation from a pby/~aser
SOURCE: AN 83SO Doklady, v. 164, no. 5, 1965, 1012-1015
TOPIC TAGS: laser, semiconductor laser, nonlinear optics, two photon absorption
ABSTRACT: A CdS 5 x 3 x 3 mm laser foz;4 a Fabry- erot cavity was excited by fo-
cused radiation from a 50 Mw Q-switched ruby laser. The emission spectrum of CdS-
was investigated at flux densities of 20, 40, 200, and 500 MV/cM2 VLth laser qction
occurring at 500 Mw (see Fig. 1). In addition to considerable narrowing, an inter-
Xerence pattern was obtained and a beam directivity of %,100 above the threshold was
observed. The oscillograph trace of CdS laser emission was of the same shape as that
of the exciting light at all excitation levels; however, the duration of the bell-
shaped trace was 50% shorter than that from the ruby laser. This was attributed to
the fact that the power absorbed shows a quadratic dependence on the incident Power.
The two-photon coefficient of absorption of radiation at X = 695 u was measured
at 300K and found to be proportionai to the flux density of incident radiation
(0.2, 0.5, and 1.1 cm at flux densities of 10, 25, and 55 Mw, reBpectively). Using
Card -1/3 UDC: 535.89

-;f~, 7
ACC NRs
Fig. 1. The emission spectrum or
US excited by a ruby laser
LP50269TU
Flux density of: 1 - 20 Mv/cm2
2 - 40 Mw/cm2- 3 - 200 Mv/cm2;
4 - 500 lWeml. The radiation
was polar!.zed with E perpendicular
to C.
1, A0 4J1 ev
?IV
the value of 10 cri-l-for the two-phqton cocrriclent of absorption at 500 MV the hole
electron peir creation was calculated to be 1027_1028 paIr/cm3 sec. This Is of the
order of the magnitude of pair generation required to attain laser action in electron-
beam-pumped CdS. Orig. art. has: 2 figures. (CS)
card 2/3

L-
ACC NRi
SUB CODE: 20/ 1SUBM DATE: IlAug65/1 ORIG REF: 008/ OM REF: 008/ 0
ATD PRESS:

J,
A 12V 4 E~ 2 65' /16 0 0
0 23 SCr SOURa CODL: 'Y~100
JD
AUTHOR: Kon ukh%v V. K, -,_pgelvskiy'A.~ Koq~ttn,_.Y. IL Mur-in-4.,L P-rokhorov.
IA. M. (corresponding member All SSSR)
ORG:, Physics Institute im. P. N. -LebedevfiAcadew of Sciences SSSR (FiZicheskiy
institut Akademii nauk SSSR) -------
1P1
TITLE: A giant-pulse CaF2:Dy2,l, laser with continuous pumping
SOURCE: AN SSSR. Doklady, V. 165, no. 5, 1965, 1056-1058
TOPIC TAGS: ,giant pulse laser, dysprosium, calcium fluoride, xenon
C6kCZU~,,
ABSTRACT: The gen4ration of Xp`e2Mi ~ giant pulses at 2.30' v it; reported in W
pumped continuously by xenon lamps. Such pulses were first achieved in Coy 2 Dy 2
by Ye. M. Zolotov ' A M Prokhorov, and G. P. Shipulo (ZhETF, v. 49, no. 9, 720,
1965), who used_Li~bjj~ '
aser pumping. A similar method of generating giant pulses in
YAlG:Nd was used by J. E. Gausic, M. L. Hensel, and R. G. Smith (Appl. Phys. Lett.,
6, no. 9, 175, 1965). The laser system used in the present investigation (Fig. 1)
consisted of a cylindrical dysprosium-doped calcium fluoride crystal 70 mm long and
7 mm in diameter with plane-parallel ends. The concentration of Dy24, in CaF2 was
,v1017 cm-3. The crystal was placed in a dewar, where it was cooled by circulating
liquid nitrogen. The pumping was provided by two cw xenon lamps placed together with
a dewar in a tight condenser. An internal multilayer dielectric mirror with a re-
2
535.

L 10949-66
ACC NR, AP6002
flectivity of approximately 100% was used on one end of the resonator, whose output
was Q-switched by mans of a rotating (50-500 cps) prism with total internal reflec-
tion. The laser beam was incident (at 230) at a plane-parallel quartz plate and
directed at a calorimeter and a liquid-nitrogen-cooled InSb photodiode with a time-
resolution of 20-10-9 see. The time-deapendent emission intensity was recorded by
Fig. 1. Schematic of the laser system
1 - CaF2: W2+ crystal; 2 - continuous pumping
fit xenon lamps; 3 - multilayer dielectric mirror;
4 - rotating prism with total internal reflec-
4 tion; 5 - plane-parallel quartz platej 6 - calor-
imeter; 7 - InSb photodiode.
11~~T_Oor-
7 To osIcillograph
nrans of an InSb photodiode and DEO-1 and Sl-11 oscillographs. The mean intensity in
both directions (see Fig. 1) was 0.05 w for both fixed and rotating (at 200 cps)
prisms. This indicates that the rotation frequency of the prism was near optimal.
The duration and repetition rate of the giant pulses were 1.2 X 10-7 sec (calculated
value was 1.05 x 10-7) and 200 cps, respectively, resulting in a peak power of
2 x 103 w. The proposed high-intensity laser can be used in studies of two-photon
excitation of semiconductors with a narrow forbidden gap. Orig. -art. has: 2 figures
[YK
SU"M
SUB CODE: 20 DATE: 02Sep65/ ORIG REF: 0031 OTH REF: 0051 ATD PFESS:
Card 2/2 CI) . -

.-A"' '. , ^,I ~- . , tr~ , ., , :- - ' * ~, fT. , -vt;;terlnartV;- ~,
"so of proprilis o4A.z,,',rzrnt in vaginitan vastibulitis. 7-t.--rinerlia
37 no.lg53-54 Ja 160. OMIRA ILI~6)
1. Ka~~anc~-J.v r.-iiickiiio.-Issledovatelli3kiy veterinarnyy institut.
(p- op") I 15 )~V--winlltll~) All Cattle)

KULF,2Yjtj--T,q -
Malignant neoplasms in farm animals. Veterinariia 38 no.6:59 Jo
1610' (MIRA'1610)
1. Kazansleaya vaterinarnaya poliklinika.
(Cancer) (Vsterina~y medicine)

Kuleyev, I. G. "Transitory operation of motors with special rotors", Izvestiya
Tomskogo politakhn. in-ta im. Kirova, Vol. LXIV, Issue 1, 1948v p. 29-36
SO: U-4631, 16 Sept. 1953, (Letopis 'Zhurnal Inykh Statey, No. 24, 1949)

.Tr--y x )I. C.
e
Kuleyev, L G. "A new mt.-thod of reducint the cu:vo of (Al I)endence of the M=Pmt
on the nwnber of windings in a shortcircuit-,d IjAunt-wondlj? motor". Izvestlya
Tomskogo politekhn. in-ta in. Kirova, Vol. 1YJV, Issue 1, 1948s P. 37-39
SO: U-4631p 16 S~,,pt- 53, (L-Ahopis 'Zhlurnal Inykh Statey, No. 24, 1949).

RIJUM 9 M % T 9
--
Stabilizing loose zoils vith carUmide resins. [Tz-nd;rj NIIOSP
no-39-12-13 160. ' (MIRA..14:1)
(Ioeas) t (Roains, Synthetic)

KULEYEV, -M.T
e" ~ -- . some features of the process of stabilizing loeos with carbamide
resin.mortars. Osn., fund.i rlekh.grun. 3 no.6:15-17 '61.
(MIFA 15 24)
(Soil stabilization) (Urea derivatives) (Loess)

KULEYL112-.!L-,F!,. - ,
Strengthening loess soJL1 with water solutions of carbamide
resin in the field. (TrudyJ NII oan. no. 50:10-14 t62.
(MMA 16:9)

L 1_,-~25-6' FeIV-1 )/El-A(S )-2/F_-.T(rn) '-- P(w) /T c WnG
ACCESSION NR: AP50192,'o mVoO56/65/04 0248/o2%
q/
TY
AUTHOR: Turov, Ye. A.' G.
-My" .4-L
!~~' I Y1_ 6
TITLE: On coupled oscillations of electronic and nuclear spins in ant1ferromaggeltp
SOURCE: Zburnal eksperimental0noy i teoreticheskoy fiziMp Y. 49p no. 1t 19650 -1
248-256
TOPIC TAGS: antiferromagnetismp electron spinp nuclear spinp spin wave
ABSTRACT: The spectrum of coupled oscillations of electronic and nuclear spins
(tbe coupling is due to hyperfine interaction) is calculated and studied in an
antiferromagnet in which the axis of antiferromagnetism lies in a plane with small!
MWnetic aninotropvolf-A mechanism is considered for the relaxation of the oscilla-
vhich appears because of the byperfine coupling
tions of the nuclear-like branch
when account is taken of damping in the electronic spin system. The microwave
magnetic susceptibility of the whole spin system is calculated.. and the amplifica-
tion coefficient, for nuclear magnetic resonance is found, The spatial dispersion
of nuclear-like spin waves is studied, and it is pointea out that such waves can
be excited~by a uniform microwave field (nuclear spin-wave resonance). Orig. art.
hast 1 figure and 37 formulas.
Card 1/2
-N, 1W1t11't';1
'R
a M
U 5
v

L io.95-66
ACCESSIO' H HR: AP5019238
ASSOCIATIONt Institut fiziM metaUov Akademii nauk SSSR (Institute of ftt&l
Pbysics., Acadeqr of Sciences, GOSR)7
- ~ //, ~ ~ -,:; i
SUMMED: 25Jan65 ENCLs 00 BUD CODE: Npj am
la REF GOV: 007 OTMM., 007
Card 2/2

69-20-1-7/20
AUTHORSt Dogadkin, B.A., Kuleznev, V.D., Tarasova, Z.N.
'TITLEs Formation and Properties of Interpolymers of Natural and Butadi-
ene-Styrene Rubbers (Polucheniye i svoystva mezhpolimerov na-
turallnogo i butadienstirollnogo kauchukov)
PERIODICALs Kolloidnyy Zhurnal, 1958, Vol. XX, # 1, pp 43-51 (USSR)
ABSTRACT: The coplastication of natural and butadient-styrane rubbers
by milling on a cold mill leads to the formation of an inter-
polymer containing 30% of the natural rubber introduced. The
plastication was carried out on a specially constructed micro-
mill in a hermetic casing. The milling was done in an at-
mosphere of purified nitrogen. The rubbers were preliminarily
purified by hot acetone (natural rubber) or hot methanol (Bu-
tadiene-styrene rubber). The values for the characteristic
viscosity and plasticity during milling are represented in
figures 1 and 2. To prove the formation of an interpolymer
during milling,, several methods were used. In one, fractional preci-
pitation, a selective precipitator had to be found; used was. a
Card 1/4 binary mixture (1 : 4) of benzene-methylethylketone, in which

69-20-1-7/20
-Formation and Properties of Interpolymers of Natural and Butadiene Styrene
Rubbers
butadiene-8tyrene rubber dissolves completely, whereas natural
rubber does not dissolve. For comparison the milled polymers
were also dissolved. The solution was then separated, evapora-
ted, and the content of natural rubber determined by an Abbe
refractometer. Fig. 3 shows that in case of separately milled
polymers the natural rubber begins to dissolve after 40 min.
For selective vulcanizationpolychloro-compounds were used,
which do not vulcanize natural rubber. As an activatorZnO and
PbO in two parallel experiments was employed. The results have
shown that 20-26% of the introduced natural rubber is being
bound during plastication. The characteristic viscosity depends
on the ratio of the rubbers in the mixture. Fig. 5 showsjthat
the values for the viscosity of the jointly milled polymers are
higher than the corresponding values of the separately milled
polymers. The investigation of the physical-chemical proper-
ties of the vulcanizateB shows that the mixturen of natural and
butadiene-styrene rubbers have a higher resistance to aging than
natural rubber alone. The resistance to breaking, relative
Card 2/4 stretching and deformation is also dependent on the composition
I

69-20-1-7/20
.Formation and Properties of Interpolymers of Natural and Butadiene Styrene
Rubbers
of the mixture. An adhesive film made from interpolymers in-
creases the binding strength between natural and butadiene -
styrene rubbers when placed between them. It is supposed that
the segments of the molecules of the natural rubber in the
interpolymer, which are connected with the butadiene-styrene
rubber by phemical bonds, penetrave easily into the natural
rubber. The same is true for the segments of 'the butadieno-
styrene rubber of the interpolymer, which penetrate into
the butadiene-styrene rubber. The results of the tests for
resistance of the connections by interpolymer adhesive films
are shown in table 2.
There are 9 figures, 2 tables, and 7 references, 3 of
Card 3/4 which are Soviet, 4 English.

69-20-1-7/20
Formation and Properties of Interpolymers of Natural and Butadione Styrene
Rubbers
ASSOCIATION: Moskovskiy institut tonkoy khimicheakoy tekhnologii imeni
M.V. Lomonosova (Moscow Institute of Fine Chemical Technology
imeni M.Y. Lomonosov). Nauchno-issledovatellskiy institut
shinnoy promyshlennosti (Scientific Research institute of
the Tire Industry)
SUBMITTEDi July 12, 1957
AVAILABLE: Library of Congress
Card 4/4

AUTHORS: Dogadkin, B.A., Kuleznev, S --V -6 -~- 2(,- 5-1- 21/12 3
TITLE: The Formation of a Gel in the Plastic-ation of 17
,atural Rubber
and Its Effect on the Strength of Vulcanizates (Obrazovan-
iye gelya pri plastikatsii naturallnogo kauchuka i yego
vliyaniye na prochnost! vulkanizatov).
:'--RICDICAL: Yolloidnyy zhurnal, 1958, 701 XX, "';r 5, pp 6714-675 (USSR)
ABSTRACT: Gel formation has been observed during the plastication of
natural rubber. In the early stages of plastication (10
min), a gel forms amounting to a imaximum of 2ep. Further
rolling causes a mechanical dispersion of this gel fraction.
If the argon atmosphere contains more than 0.11/1. oxygen,the
free radicals are stabilized and no gel is formed. in the
Card 112 absence of oxygen, ramified moleculeu appear which decrease

2~* cv-69-20- Ic - 21/23
The Formation of a Gel in the Plastica" on of 1~atural Rubber and 7 t f
on the Strength of Vulcanizates
the rupture resistance of the rubber to 20-40 k~/cji2 in
comparison to the usual values of 200-250 kg/cm . There
is 1 graph and 4 references, 1 of which is Soviet and 3
English.
ASSOCIATION: Yoskovskiy institut tonkoy khimicheskoy tekhnologii im.
111.V. Lomonosova (Moscow Institute of Fine Chemical Techno-
logy imeni M.V. Lomonosov)
SUBIMITTED: June 10, 1958
1. Gels--Development 2. Rubber--Processing 3. Vulcanizates
--Mechanical properties
Card 2/2

K=ZKEvJv v. x., candidate Chem Sci (diss) -- 14rhe preparation and properties of
inter-polymers of mtuml and budadiem-styrol rubbers". Moscov, 1959. 13 pp
(Min ITIghor Vhio Ir),%, Morow Inat of Fim Chom Tooh Int m. V. T.,cm0nalov), 1~~
copies (KL., No 24., 1959, 128)

50) SOV160-21-2-9122
AUTIIIO,~S: Dogadkin, B.A.,,.Kuleznev, V.11.. Pryakhina. S.F.
T ITLE; on the Compatibility of Polymers in Solution (K voprosti
o soltmestimosti polimerov v rastvore)
PE,RIODICAL: Kolloidnyy 1hurnalp 1959, Nr 2, pp 174-180 (USSR)
ABSTRACT: This is a report on an investigation concerning the behav-
iour of mixtures of natural and butadiene styrene rubber
in a common solution. The experiments have shown that
mixtures of 5% benzene solutions of natural and butadiene
styrene rubber exfoliate, if these substances are mnixed
within the limits 1:9 and 9:1. The concentration of the
laminae is not equal to the initial concentration. For
any ratio of rubber mixtures, the experimental viscosity
values are higher, whareas the turbidity of the solutions
in lower than the additive magnitudes. The increase in
temperature, or the introduction of large quantities of
methyl ethyl ketone bring together the experimental and
additive values of the viscosity of the solutions, i.e.
Card 112 they increase the compatibility of natural and butadiene

On the Compatibility of Polymers in Solution
styrene rubber. The presence of an interpolymer in a natur-
al and butadiene styrene rubber mixture prevents exfoliation
of the solution. According to the authors the observed phe-
nomena may be considered as the result of molecular asso-
ciations of prevalently homogeneous composition. There are
5 graphs and 10 references, 6 of which are Soviet and 4
English.
ASSOCIATION: Moskovskiy institut tonkoy khimicheskoy tekhnologii im.M.V.
Lomonosova (Moscow Institute of Fine Chemical Technolof-,y
imeni M.V. Lomonosov)
SUBMITTED: May 9, 1958
Card 212

S/069/62/024/003/004/006
B110/B138
11
A U G.~ S Yulez-..cv it. Igoshevd, K.
'2 1; -7f-rect of various substances on the stability of mixed polymer-
solutions
.-ollo idnyy z hurn al v. 24, no . 3, .1962, 3o6
308
An attempt was made to decelerate the separation of polymer mixtures
b,i ad'inr small a:.-.ounts of nolar substances. Solutions of the following
i.echnical, nonfractionated polymers v.,ere studied: block poly3tyrene and
e:ruision polymethyl :-,ethacrylate in cryoscopic benzene (polymer ratio-1:1),
t"-,o M4XtUrOS of which separate at>/ 9~/,. The followin,3 additives were used.
I A L
Pro-jyl, amyl, and ethyl alcohols, acetone, acetophenone, benzophenone, V/
:nethyl-a.thyl ketone, butyric, isobutyric and oleic acids, but.Y1 acetate,
!.'enzyl acetate, -..ethyl,ethyl,butyl,and -soa.nyl benzoates, aniline, dimethyl
aniline, dichloro ethane, chlorobenzone, ethylene chlorohydrin, pyridine,
"-nd t'-io-."Ien. Aniline, and ethylene chlorohydrin increased the optical
den~,4t.y and accelez-atbd the se-,)aratic~n. In 101i,' solutions of mixtul-es
(-:,o'Lys'6,-,,-.ene . polymethyl methacrylate - 1:1) with 100 mole~o substance per
Car~- 112

S/069/62/024/003/004/006
Z,;.-cct of various substances ... B110/B138
~.'.01,, poly-.Tothyl methacrylate, the separation was only inhibited by dimethyl
an,-LLne a.-d hoptyl and amal alcohols. Benzoic acid ester, pyridine, di-
cl~lcro ethane, acetophenone, miathyl-ethyl ketone, benzophenone, thiophen,
and butyll acetate decelerated the separation (induction period: "*0 hrs).
3e-,aration became faster with increasing optical density due to admixtures.
No rv~lation vas found between the effect oi additive and 3urface tension,
-'in2oie ~.,omncn4-, the dielectric constant and the heat of vaporization. There
are 3 firrures and 1 table.
I.'.~rSCOIATIGN: Urallskiy gosudarstvennyy universitet im. A. Gor,kogo
(Ural State University imeni A. Gor'kiy)
July 20,
1961
Card, 2/2
R
-;~,.;4-,

AUTHORS:
TITLE.
PERIODICAL:
S/069/62/024/005/010/010
BM/B186
Kuleznev, V. N., Dogadkin, B. A.
Dependence of the mechanical properties of a polymer mixture
on its composition
Kolloidnyy zhurnal, v. 24, no. 5, 1962, 632-633
TEXT: Experiments upon natural and butadiefie styrene rubber have shown that
the properties of specially prepared homogeneous mixtures of thermo-
dynamically,incompatible polymers iire not of an additive nature. Whatever
the technique of preparation (rolling in argon-or mixing in air and gamma
irradiation)I intermediate polymers were formed in mixtures that had been
vulcanized at 1420C under pressure. Curves showing the mechanical
properties of 1:1 mixtures versus -their composition were characterized by
extrome valuea (increase in fatiEuo strength and docroaae in ultimate
strenr,th). As such a mixture, wherein most of the macromolecules of one
polymer are surrounded by the macromolecules of the other, does not form a
crystalline phase when stretched~ its ultimate strength is equal to or even
lower than that of non-crystallizing rubber. The increase in dynamic
Card 112

S/069/62/024/005/010/010
Dependence of the mechanical ... B117/BI66
strength has so far not been explained. There is I figure.
ASSOCIATION: 'Ploskovskiy institut tonkoy khimicheakoy tekhnologii imeni
M. V. Lomonosova (Moscow Institute of Fine Chemical
Technology imeni M. V. Lomonosov)
SUBMITTED: May 22, 1962
Card 2/2

BIZZIFEV V.N.- AIINCEYEVA., V.M,
Light scattering by solutions of polymer mixtures.
Vysokom. soed. 4 no.12-.1851-1857 D 162. (MIRA 15-12)
1. Urallsk-Ay go3duarstvennyy iiniversitot imeni
A.M. GorIkogo.
(Polymers)
(Light-Zcattering)

KULEZIEV, V.N.,, IGOSIIEVA, K.M.
Densities of polymer mixtures. Vysokom. soed- 4
no.12:1858-1862 D 162. (MIR& 15;12)
1. Urallakiy goaudarstveDnyy universitet imeni A.M. GorIkogo.
(Polymers)
(Films (Chemistry)-Density)

-0-- Oft igg ggs!
-30

.. ... .....
RIFTP-MM'~m",- ~g~

ACCESSION NR: AP4043129 s/oo6g/64/026/oO4/0475/0480
AUTHORS: Kuleznevp V.N.; Krokhinal L.S.; Lyakinp.Yuel.; Dogadkin,B'A'
TITLE: Investigation of the structure of solutions of polymer mix-
tures by the light scattering method
SOURCE: Kolloidny*y zhurnal, v. 26, no. 4, 1964, 475-480
TOPIC TAGS: light scattering, polystyrene polyisobutylene toluene
system, refractive index, polymer associationj apparent molecular
weight, polystyrene, polystyrono association, asymmetry of light
scattering, second virial coefficient, true solution, emvision,
colloid
ABSTRACT: This study of light scattering (at RZ R" and R" in
the polystyrene-polyisobutylone-toluene~system in Xch thel~~frac-
tive indices of the polyisobutylone (M - 1.2 x 106) and toluene
are equal provided new proof of the increased degree of association
of one polymer upon the addition of a second polymer. Optical den-
sities of the solutions illuminated with monochromatic light of
5460 and 4360A were measured on the FEKN-56 photoelectric nephelo-
The association of polystyrene, i.e., the apparent molecular
&V';t ei ri / 3

ACCESSION NR: AP40L3l29
'weight, and the asymmetry of the scattering increased and the second
virial coefficient diminished on addition of the optically invisible
polyisobutylene. Quantitative measurements of the degree of
i
-association are possible only on double extrapolation of the light
:scattering to zero angle and zero concentration. On changing in
I
,concentration a mixture of two polymers may pass from a true solu-
!tion to a rapidly separating emulsion via a stable intermediate
colloid state. For a 1:1*mixture of polystyrene and polyit3obutylene
the true solution exists up to a concentration of 0.7 ign. of the
linixed polymers per 100 ml. toluene, and the emulsion separates when
f,he concentration exceeds about 1.2 p
1, p./100 ml. "The authors
sincerely thank V.E. Eskin for participation in evaluating the
results and I.M. Bel 1govsk for permitting work on the photoelectric
!nephelometer." Orig. art. has: 5 figures and 1 table.
ASSOCIATION: Moskovskiy institut tonkoy khimicheskoy tekhnologii J.m.
M.V. Lomonosova (Moscow Institute of Fine Chemical Technology)
213

ACCESSION NR: AP4043129
SUBMITTED. 260ct63 ENCL: 00
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KULEZIEV), V.N.; KROK111M, L.S. j DOGADKIN, B.A.
Cross-linking of solutions of polymers and their mixtures. Koll.
zhur. 27 no.5:715-719 S-0 165. (MMA 18:10)
1. Moskovskiy institut tonkoy khimicheskoy tekhnologii imani
Lomonosova.

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