Synthesis of phenolic resin modified silicone rubber utilizing for ablation thermal protection materials

被引：3
|
作者：
Li, B. Q. [1 ]
He, C. [1 ]
Lu, W. [1 ]
Wang, J. S. [1 ]
机构：
[1] Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China
来源：
2ND INTERNATIONAL WORKSHOP ON MATERIALS SCIENCE AND MECHANICAL ENGINEERING (IWMSME2018) | 2019年 / 504卷
关键词：
DEGRADATION; POLYSILOXANES; SYSTEMS;
D O I：
10.1088/1757-899X/504/1/012043
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Phenolic resin modified silicone rubber (PMS) was synthesized via hydrosilation reaction between novolak with allyl group and silicone rubber containing Si-H groups. The chemical structure of PMS was characterized by FT-IR, H-1 NMR and GPC. The thermal stability of PMS was characterized through TGA and compared with traditional single phenyl silicone rubber (PSR). Ablation properties was measured through muffle furnace ablation test. Compared with PSR, the PMS has better thermal stability and wider pyrolysis temperature range. The carbon yield after ablation was promoted greatly and stable ablation layer was obtained.
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页数：6
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