PREPARATION OF BLOCK AND GRAFT-COPOLYMERS BY PEROXYCARBAMATES

被引：13

作者：

UYANIK, N

YILDIRIM, H

KIZILCAN, N

AKAR, A

机构：

[1] ISTANBUL TECH UNIV,FAK FEN EDEBIYAT,MASLAK 80626,TURKEY

[2] YILDIZ UNIV,FAK FEN,ISTANBUL,TURKEY

来源：

ANGEWANDTE MAKROMOLEKULARE CHEMIE | 1991年 / 191卷

关键词：

D O I：

10.1002/apmc.1991.051910101

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Block copolymers of cyclohexanone-formaldehyde resin (CF-resin) and polystyrene and graft copolymers of styrene on ethyl cellulose, respectively, were prepared via peroxycarbamates. NCO/OH ratio was the important parameter during preparation of polymeric peroxycarbamates from prepolymeric isocyanate-terminated peroxycarbamates and CF-resin. Cross-linked copolymers were produced if NCO/OH ratio was above 2:9. Ethyl cellulose with low hydroxy value was used as hydroxy compound for the preparation of peroxycarbamate. About one of every two anhydroglucose units of ethyl cellulose was grafted with polystyrene.

引用

页码：1 / 13

页数：13

共 13 条

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