STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE*

JIANG Xiqun; YANG Changzheng; YU Xuehai

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STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE*

Papers | Updated：2021-06-21

- STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE*
- Vol. 12, Issue 3, Pages: 228-236(1994)
- Affiliations：
  
  1.   Department of Chemistry
  2.   University of Nanjing
  3.   Nanjing 210008
- Author bio：
- Funds：
- DOI：
  CLC： O631
- Published：20 September 1994
- Accepted：
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[1]蒋锡群,杨昌正,余学海.STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE[J].Chinese Journal of Polymer Science,1994,{4}(03):228-236.

JIANG Xiqun, YANG Changzheng, YU Xuehai. STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE*[J]. 1994, 12(3): 228-236.
[1]蒋锡群,杨昌正,余学海.STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE[J].Chinese Journal of Polymer Science,1994,{4}(03):228-236. DOI：

JIANG Xiqun, YANG Changzheng, YU Xuehai. STUDY ON SEGMENTED POLYURETHANE WITH MIXED SOFT SEGMENTS OF POLYCHLOROMETHYL METHYL SILOXANE AND POLYTETRAMETHYLENE OXIDE*[J]. 1994, 12(3): 228-236. DOI：

摘要

<正> Two series of polyurethanes based on mixed polychloromethyl methyl siloxane and poly-tetramethylene oxide in different weight fractions were synthesized. The phase separation ofsamples was studied using DSC and dynamic mechanical property analysis. The results showedthat the introduction of chloromethyl group into polysiloxane increased its polarity and henceimproved the miscibilities with polytetramethylene oxide and polyurethane hard segment.Particularly

in the case of N-methyldiethanolamine extended materials

the surface and tensileproperties of these samples can be adjusted by various ratios of two soft segments.

Abstract

Two series of polyurethanes based on mixed polychloromethyl methyl siloxane and poly-tetramethylene oxide in different weight fractions were synthesized. The phase separation ofsamples was studied using DSC and dynamic mechanical property analysis. The results showedthat the introduction of chloromethyl group into polysiloxane increased its polarity and henceimproved the miscibilities with polytetramethylene oxide and polyurethane hard segment.Particularly

in the case of N-methyldiethanolamine extended materials

the surface and tensileproperties of these samples can be adjusted by various ratios of two soft segments.

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