A STUDY OF NOVEL SEGMENTED COPOLYMERS CONTAINING POLYDEMETHYLSILOXANE

SHI Linqi; ZHENG Guodong; FENG Zhiliu

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A STUDY OF NOVEL SEGMENTED COPOLYMERS CONTAINING POLYDEMETHYLSILOXANE

Research Article | 更新时间：2021-03-19

- A STUDY OF NOVEL SEGMENTED COPOLYMERS CONTAINING POLYDEMETHYLSILOXANE
- Acta Polymerica Sinica Issue 6, Pages: 641-646(1997)
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- Published：20 December 1997，
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SHI Linqi, ZHENG Guodong, FENG Zhiliu. A STUDY OF NOVEL SEGMENTED COPOLYMERS CONTAINING POLYDEMETHYLSILOXANE. [J]. Acta Polymerica Sinica (6):641-646(1997)
DOI：

SHI Linqi, ZHENG Guodong, FENG Zhiliu. A STUDY OF NOVEL SEGMENTED COPOLYMERS CONTAINING POLYDEMETHYLSILOXANE. [J]. Acta Polymerica Sinica (6):641-646(1997) DOI：

摘要

报道了聚羟基醚（ＰＨＥ）、聚羟基醚砜（ＰＨＥＳ）、酚酞聚羟基醚（ＰＰＨＥ）和聚对羟基苯乙烯（ＰＨＳ）与端胺基聚二甲基硅氧烷（ＰＤＭＳ）通过羟胺缩合生成ＡＢｍｎ新型结构的可溶性含有机硅二元多嵌段共聚物

ｍ值在１～６之间

详细讨论了反应物浓度对共缩聚反应的影响

并通过分子量测定、红外光谱分析和动态力学分析（ＤＭＡ）技术初步确定了其反应机理、结构和动态力学性能．

Abstract

Novel [ABm]n segmented copolymers with PDMS as soft segments were synthesized by condensation reaction.The product thus obtained was characterized by IR.Spectroscopy

viscosity and DMA.The results indicate that polycondensation took place intermolecularly as well intramolecularly.Depending the PDMS and rigid segments molecular weight and content

m is in the range from 1 to 6.AB m n segmented copolymers exhibit microphase separation

and partial compatibility between rigid and soft segments.The Tg of rigid segment's phase is dependent on the value ofm.The modulus of these materials is higher than that of [AB]n segmented copolymers.

关键词

结构动态力学性能

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