PREPARATION AND MORPHOLOGY OF MULTIBLOCK COPOLYMERS OF THE (AB)(N) TYPE

被引：41

作者：

MATSUSHITA, Y

MOGI, Y

MUKAI, H

WATANABE, J

NODA, I

机构：

[1] Department of Applied Chemistry, Nagoya University, Chikusa-ku, Nagoya, 464-01, Furo-cho

来源：

POLYMER | 1994年 / 35卷 / 02期

关键词：

MULTIBLOCK COPOLYMERS; STYRENE; ISOPRENE;

D O I：

10.1016/0032-3861(94)90686-6

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Styrene(S)-isoprene(I) multiblock copolymers of the (SI)(n) type (n = 1, 2, 3, 4) were prepared by a multistep monomer addition technique of anionic polymerization. Molecular weights of SI diblock units are almost the same and the total polystyrene volume fractions are about 0.5. All the film specimens cast from toluene solutions were found to have alternating lamellar structures. The lamellar domain spacing monotonically decreases and approaches an asymptotic value with increasing the number of blocks.

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页码：246 / 249

页数：4

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