Synthesis and characterization of in-chain silyl-hydride functional SBR and self-crosslinking elasto

• 作 者: Bai Wang Hong Wei Ma Kai Hua Shen Ding Jun Yang Li
• 机 构: State Key Laboratory of Fine Chemicals,Department of Polymer Science and Engineering,School of Chemi
• 出 处: Chinese Chemical Letters
• 发表日期: 2012年12期
• 关键词: 4-Vinyiphenyldimethylsilanol Functional in-chain sily-hydride copolymer Self-cro

Functional in-chain silyl-hydride(Si-H) SBR copolymers of 4-vinyiphenyldimethylsilanol(VPDMS) and butadiene were synthesized by living anionic polymerization,in which active group Si-H was not lost and its content was controllable. Corresponding self-crosslinking elastomers were obtained by hydrosilation of Si-H group with vinyl bonds in chain.The copolymers and elastomers were characterized by ~1H NMR,size exclusion chromatography(SEC),Fourier transform infrared (FTIR) spectroscopy,differential scanning calorimetry(DSC),and thermogravimetry analysis(TGA) techniques.

Functional in-chain silyl-hydride (Si-H) SBR copolymers of 4-vinyiphenyldimethylsilanol (VPDMS) and butadiene were synthesized by living anionic polymerization, in which active group Si-H was not lost and its content was controllable. Corresponding self-crosslinking elastomers were obtained by hydrosilation of Si-H group with vinyl bonds in chain. These copolymers and elastomers were characterized ~ 1H NMR, size exclusion chromatography (SEC), Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry thermogravimetry analysis (TGA) techniques.