NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS

CHEN Lei; YU Xuehai; YANG Changzheng

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NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS

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- NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS
- Vol. 14, Issue 4, Pages: 295-303(1996)
- Affiliations：
  
  1.   Institute of Chemistry and Chemical Engineering
  2.   Nanjing University
  3.   Nanjing 210008
- Author bio：
- Funds：
- DOI：
  CLC： O634.4
- Published：20 December 1996
- Accepted：
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[1]陈雷,余学海,杨昌正.NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS[J].Chinese Journal of Polymer Science,1996,{4}(04):295-303.

CHEN Lei, YU Xuehai, YANG Changzheng. NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS[J]. 1996, 14(4): 295-303.
[1]陈雷,余学海,杨昌正.NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS[J].Chinese Journal of Polymer Science,1996,{4}(04):295-303. DOI：

CHEN Lei, YU Xuehai, YANG Changzheng. NOVEL SULPHONATED POLYSILOXANE POLYUREA-URETHANE IONOMERS[J]. 1996, 14(4): 295-303. DOI：

摘要

正

A series of novel polysiloxane polyurea-urethane blockcopolymers based on methy-lene bis (p-phenylisocyanate （MDI）

sodium-s-1

2-dihydroxy propyl sulphonate （SDPS） andaminopropyl-terminated polydimethylsiloxane （ATPS） was synthesized with varying lengthof soft segments and neutralizing cation. The effect of the chemical composition and thecation on the morphology and mechanical properties of the samples were studied.It was found that the SDPS chain extender based samples have definite chemical struc-ture （-MDI-SDPS-MDI-ATPS-）. As the length of the soft segment increases

an improve-ment of phase separation was observed. In addition

when SO

Na was translated into SO

Hor the sulphonic acid groups were neutralized with different charge cations (Na

andAl

)

the morphology and mechanical properties changed greatly.

Abstract

A series of novel polysiloxane polyurea-urethane blockcopolymers based on methy-lene bis (p-phenylisocyanate （MDI）

sodium-s-1

an improve-ment of phase separation was observed. In addition

when SO

Na was translated into SO

Hor the sulphonic acid groups were neutralized with different charge cations (Na

andAl

)

the morphology and mechanical properties changed greatly.

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