化工学报Issue(10)：4168-4175,8.DOI:10.3969/j.issn.0438-1157.2014.10.055
硅烷芳炔-硅氧烷芳炔嵌段共聚物的合成与表征
Synthesis and characterization of block copolymers of poly(silane arylacetylene) and poly(siloxane arylacetylene)
摘要
Abstract
A series of block copolymers of poly(silane arylacetylene) and poly(siloxane arylacetylene) (SiO-b-PSA) were synthesized by the condensation reactions ofm-diethynylbenzene magnesium reagents with variousα,ω-bis(chloro)dimethylsiloxanes. Carbon fiber reinforced composites were prepared through compression molding. The structures and properties of the resins and composites were characterized by FT-IR, 1H NMR, GPC, DSC, TGA and mechanical tests. The copolymers had good heat resistance and toughness. The copolymers also showed excellent processability that could be cured at below 200℃. The cured resins possessed high thermal and thermooxidative stability. Their thermo-decomposition occurred at above 513℃ in N2. Impact strength of the composites arrived at as high as(30.92±0.44) kg·m-2.关键词
含硅芳炔树脂/硅氧烷芳炔树脂/嵌段共聚物/耐高温树脂/复合材料/聚合/化学反应Key words
Si-containing arylacetylene resin/siloxane-arylacetylene resin/block copolymer/high temperature polymer/composites/polymerization/chemical reaction分类
化学化工引用本文复制引用
汪强,杨建辉,袁荞龙,黄发荣,杜磊..硅烷芳炔-硅氧烷芳炔嵌段共聚物的合成与表征[J].化工学报,2014,(10):4168-4175,8.基金项目
上海市重点学科资助项目（B502）。 （）
