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首页> 外文期刊>Journal of Applied Polymer Science >Biobased interpenetrating polymers networks derived from oligomerized soybean oil and polydimethylsiloxane
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Biobased interpenetrating polymers networks derived from oligomerized soybean oil and polydimethylsiloxane

机译：低聚大豆油和聚二甲基硅氧烷衍生的生物基互穿聚合物网络

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摘要

A series of interpenetrating polymer networks (IPNs) with different compositions were prepared from silylated oligomerized soybean oil and silanol-terminated polydimethylsiloxane. Oligomerization of soybean oil was achieved by heating it with a catalyst in a Parr reactor at elevated temperatures. Vinyltrimethoxysilane was then grafted onto the oligomerized oil. Crosslinked films were obtained from solutions as the silanol groups between the two immiscible components condensed to form stable siloxanes linkages resulting in an entangled network characterized by microphase separation typical to IPNs. The crosslink density between the dispersed phase and the continuous phase was calculated from the average particle size of the dispersed phase. The mechanical and thermal properties were also studied and were found to be directly related to the composition and the crosslink density. These IPN resins can be used as high release liners, low friction materials, soft-feel coatings or as convenient one-package protective coatings. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41709.
机译：由甲硅烷基化的低聚大豆油和硅烷醇封端的聚二甲基硅氧烷制备了一系列具有不同组成的互穿聚合物网络。大豆油的低聚是通过在高温下在Parr反应器中与催化剂加热来实现的。然后将乙烯基三甲氧基硅烷接枝到低聚油上。从溶液中获得交联的薄膜，这是因为两个不混溶组分之间的硅烷醇基缩合形成稳定的硅氧烷键，从而形成缠结网络，其特征是IPN典型的微相分离。由分散相的平均粒径计算出分散相与连续相之间的交联密度。还研究了机械性能和热性能，发现它们与组成和交联密度直接相关。这些IPN树脂可用作高剥离衬里，低摩擦材料，柔软感涂料或方便的一包式保护涂料。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41709。

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