Studies on Extraction Resistance of Hydroxyl Terminated Polybutadiene Bound 2,2-Thiobis(4-methyl-6-tert-butylphenol) in Natural Rubber Vulcanizates

被引：0
|
作者：
Wang, Yonghong [1 ]
Zeng, Xingrong [1 ]
Li, Hongqiang [1 ]
Guo, Jianhua [1 ]
机构：
[1] S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2012年 / 24卷 / 07期
关键词：
Hydroxyl terminated polybutadiene; 2,2-Thiobis-(4-methyl-6-tert-butylphenol); Extraction resistance; Natural rubber; ANTIOXIDANT; STABILIZERS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel polymeric anioxidant, hydroxyl terminated polybutadiene bound 2,2-thiobis-(4-methyl-6-tert-butylphenol) (HTPB-IPDI-TPH) with excellent thermo-oxidative aging resistance, was synthesized from hydroxyl terminated polybutadiene (HTPB), 2,2-thiobis-(4-methy1-6-tert-butylphenol) (TPH) and isophorone diisocyanate (IPDI). The extraction resistance of HTPB-IPDI-TPH in natural rubber vulcanizates was studied by thermo-oxidative aging resistance of natural rubber vulcanizates after methanol and water extraction. The results showed that HTPB-IPDI-TPH had less extraction than conventional sterically hindered phenol antioxidant 2,2-thiobis-(4-methy-6-tert-butylphenol) and had remarkable effect on the thermo-oxidative aging resistance for natural rubber vulcanizates of methanol extraction in the later stage of aging.
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页码：3217 / 3220
页数：4
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