聚硅氧烷—聚脲多嵌段共聚物形态结构的研究(2)

注I长周期甩 L r t修正 ( 0 2 ) 2 uc z n即，(0对作图 )碍 .求

表 3 Lr t ue z曲线峰值及半峰宽 n

维普资讯

5 0

高分子材料科学与工程

19 9 9妊

3结一

论

在聚硅氧烷软段中引进极性氰丙基侧基，善了聚硅氧烷与聚脲两相相容性，有改所

P S U囊碌样品的两相相分离程度比相应的 P P CP S U聚脲明显降低， WAX S X D、 A S结果表咀，氰丙基甲基硅氧烷与聚脲硬段之间有界面层存在，面“合”比聚二甲基硅氧烷聚界粘力

聚脲体系有明显增加但其硬段结晶度降低。参l .I 8. 33 [] Yig r ta., 1 m .Bu 1口S2, 5 . 1 l o .L e 1 P0 y

考

文

献

[] V a iD.【 ..。ym l 1 8 8, 3 2 y g. e u P l Bu1 9 2.刊 . 1 .^

[] S 3眦.

h, L— Poym .Eng Sc., 77. 7, 29 T. i . i 19 1 1 .

n p r S. Ru e e] S e k a d, A.a d Coo e, L.. bb rCh m p c h r T. l AC i[] Pdz, R., S Po ym 5 i D.

T c 9 . 9, 5 . e h 1 8B 5, 0 t

M a . U g, r p. 9 4 5 I t S En . p e 1 8, 0 . l

[]陈雷、学海 .能高分子学报 .毋 1 1 6杂功 1口 ..ndk u 1 N., Ra f拖 Uo l￣ m .Ko an ha Lt As virpu Co N e d s d F s e b. .. w[] Ka ud M .a as .t X- y D if c n by Pc y e 7 k o,1 2. 9 ,

Yo k r

[ [ [ [ [ [

Bo ar . d M u r n tR nn Ue E.H. .M a r m o.S L Phy￥ I J eu t o , 97‘, O. 77 Bl 1 . Km ov c, e .t

lud- h e L. tu 1 Kol l z., 953,1 1 33. 6.】6 Por d, .. !i z o G Ko l d- .,I口51,l 4. . 2 83 Por d, o G., ll z I Ko l d- .,口52,l 51 25. .

V B,【 .. P l m n n c 1 B . 5t 0. 3 1 ya I e u D. oy E g a d S i口 6 2 2 1 7 . 1

L, e 1, . oy S i1l oy P y 9,. 6t l~ 3 7 iC. t . J P l m. c 3 P lm h s1 8 2 3 a 8 5 3.

TH E O RpHOLO GY M OF POIY CY ANN PR

X AN E

POLY UREA BLOCK COpOLYM ERS TUD住 s D BY A XS ND A XD S A WCh n Ls . e I Zu Y￣pl g. n Y X u h d Yang Ch g h ng e u an l an z e

(

r o恤 m b靴 r fc

{ U i r￣ ) nz s y e

ABS TR^CT

Thi he i￣ p t d t J r s r c￣r f p y B an o yo e bl c op ym e s b e s t ss ore he m c o t u t e o ol s ox o p l x a o k c vl r as d on am l qp o y - e - n r p l t r-

miac p lc a o r p l tyslx n ( oy l e1 i l￣ n ) .d me ye e ih n ln ]o y ae n n td oy y n po yme}] o a￣ p ldi Iys o I i n】 i e, - t ln dp e ye e di c mat a d h ss yen dlm i e h t l e a n .The ln t h o t e e sc a e r m e g h ofte s f gm nt h ng df o 300 o 90 n ehar e s 0 t 00 a d t ds gme ontnt l r d h ntc e s vu t s fo 1 rm 5 o 30 t .

Th e u t AX D ho d t a tc n l￣c n r py r ps a o h np at vl s t xa ha n e r s ls of W s we h t a t￣ g po a ya op o l g ou l ne t e no vl p y io ne c i

d c e e he

r g art ft e p l ur a ha d s g e s.I ￣ Uo he S XS e ul lu tatd tatt c on b - e ras d t e ul iy o a y e r e m nt n ad h nt A rs t il sr e s h ho a t i e

t e h ￣y r a a d p l c a o r p l lx n r mo e e p a e m[ l g Th ie o e p l u e a d s g we n t o p l u e n o y y n p o y s o a e p o td t h s x n . e sz f t o Y r a h r e - i h hm en d cras d a h Mr t he s l e n i c e e b e e e s t e po l y of t o[s gr T B n r as d.

Ke ywor W A XD, d SAX S, l io a e, o yu eha e. poysl x c p l r t n