Properties of polysulfide sealants of VITEF type

被引：0
|
作者：
Zaitseva, E. I. [1 ]
Donskoi, A. A. [1 ]
Aleksashin, V. M. [1 ]
Evseeva, V. A. [1 ]
机构：
[1] Fed State Unitary Enterprise, All Russia Inst Aviat Mat, Moscow 105005, Russia
来源：
POLYMER SCIENCE SERIES C | 2007年 / 49卷 / 02期
关键词：
Polymer Science Series; Polysulfide; Gelation Time; Vulcanization; State Standard GOST;
D O I：
10.1134/S1811238207020154
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Results of determining the working life, tensile strength, elongation, and hardness as a function of the content of a vulcanization accelerator are reported. The following accelerators are studied: diphenylguanidine, phenyl-beta-naphthylamine, and. gamma-aminopropyltriethoxysilane. Optimal ratios for each studied accelerator grade are established and its operating properties and hardness are determined. Results of testing of mechanical properties of polysulfide sealants with the use of new accelerators are shown. The reported results of experimental studies indicate that application of new vulcanization accelerators makes it possible to not only considerably increase the working life of sealants but also to control their mechanical properties in a required direction.
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页码：171 / 175
页数：5
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