期刊
POLYMERS
卷 11, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/polym11081302
关键词
bio-phenol polysiloxane; polycarbonate; copolymer; structure; thermostability
资金
- Special Funds for Applied Science and Technology Research and Development of Guangdong Province [2015B090925022]
- Guangdong PublicWelfare Fund and Ability Construction Project [2016A010103037]
As a new kind of functionalized polysiloxane with chemical reactivity, bio-phenol polysiloxane was synthesized through facile heterogeneous catalytic route. Bio-phenol polysiloxane/polycarbonate (Si/PC) block copolymer was synthesized via a three-step approach, and the effect of the amount of bio-phenol polysiloxane on the properties of Si/PC copolymer was then studied. The structure and morphology of Si/PC copolymer were characterized, showing that, when the amount of bio-phenol polysiloxane reached 20%, the pyrolysis temperature of Si/PC copolymer at 5% weight loss was 450.8 degrees C which was 76.1 degrees C higher than pure PC. The oxygen permeability of 20%Si/PC copolymer membrane was 502.65 cm(3)/m(2)24h0.1MPa, which was increased by 128.4% compared with pure PC membrane. The mechanical property and hydrophobicity of Si/PC copolymer had been improved.
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