Semi-processed polymeric articles, impregnated with a flammable gas or liquid as a blowing agent; may evolve small quantities of flammable gas.
半加工聚合物物质，注入易燃的气体或液体作为一个发泡；会放出少量易燃气体。
Pentane combines advantageous physical and technical properties with good environmental data. As a blowing agent for polyurethane rigid foams, it is suitable for China market.
戊烷作为发泡剂具有良好的物理和工艺性能及合适的环境数据，适合于我国聚氨酯泡沫市场。
OBSH is a recently developed blowing agent of rubber and plastics in our country. An outline of its synthetic route, characteristics in use and modifying methods was given.
OBSH是国内近年来开发的橡塑发泡剂。本文概要介绍了它的合成路线、应用特色及改性方法。
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