Provided is a resin composition for a solid polymer fuel cell sealing material, the resin composition including a copolymer resin having a weight average molecular weight of 150,000 or more and formed by copolymerizing raw material components including: (a1) 5% by mass or more of styrene; and (b) 20% by mass or less of glycidyl (meth)acrylate. Preferably, the raw material components are configured to further include (c) one or more kinds of other polymerizable monomers selected from a hydroxyalkyl (meth)acrylate and an alkyl (meth)acrylate.
本发明提供了一种用于固体聚合物燃料电池密封材料的
树脂组合物,该
树脂组合物包括一种共聚物
树脂,其重量平均分子量为 150,000 或更高,由共聚原料组分形成,这些原料组分包括:(a1) 5%(质量分数)或更高的
苯乙烯;和(b) 20%(质量分数)或更低的
缩水甘油(甲基)
丙烯酸酯。原材料组分最好还包括 (c) 一种或多种其它可聚合单体,这些单体选自(甲基)
丙烯酸羟烷基酯和(甲基)
丙烯酸烷基酯。