A STUDY OF POLYURETHANES SYNTHESIZED FROM AN ARYLSILANE, BIS(4,4'-PHENYLISOCYANATO)DIMETHYLSILANE, AND ITS CARBON ANALOG, 2,2-BIS(4,4'-PHENYLISOCYANATO)PROPANE

被引：3
|
作者：
THAMES, SF
MALONE, KG
机构：
[1] University of Southern Mississippi, Polymer Science Department, Hattiesburg, Mississippi
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 1993年 / 31卷 / 01期
关键词：
ARYLSILANE; URETHANE; SILANE POLYMERS; TGA; NMR; DSC; SILANE ELASTOMER; SILANE THERMAL STABILITY;
D O I：
10.1002/pola.1993.080310121
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Bis(4,4'-phenylisocyanato)dimethylsilane (SiDI) and 2,2-bis(4,4'-phenylisocyanato)propane (PrDI) were synthesized, polymerized to polyurethanes, and their chemical, thermal and physical properties studied. Nuclear magnetic resonance spectra confirm deshielding by silicon of both the phenyl ring and the urethane linkage. The glass transition temperatures, solubility parameters, and mechanical properties were independent of the diisocyanates. The silicon containing polyurethanes are more thermally stable than their carbon counterparts.
引用
收藏
页码：177 / 182
页数：6
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