A composition, extrudable or calenderable into a membrane, comprising 100 parts by weight of a neutralized sulfonated elastomeric polymer, 40 to 250 parts of a non-polar process oil, 5 to 50 parts of a preferential plasticizer selected from the group consisting of a basic salt of a carboxylic acid and an organic amide and at least 65 parts of carbon black. The membrane, made in accordance with the composition of this invention, has particular application as a roof covering.
一种可挤压或压延成膜的组合物,按重量计包括 100 份中和磺化弹性聚合物、40 至 250 份非极性加工油、5 至 50 份优先
增塑剂(选自
羧酸碱性盐和有机酰胺组成的组)和至少 65 份碳黑。根据本发明的组合物制成的薄膜特别适用于屋顶覆盖物。