Because of the cross linkage of the epoxy group in the heat treating of the emulsion films, the water resistance, solvent resistance and mechanical properties of the films are improved.
环氧基团在乳液胶膜热处理时交联,从而改善了胶膜的力学性能及耐水性、耐溶剂性能。
The epoxy group of epoxidation product of SBS has been proved by IR.
通过红外光谱对SBS的环氧化产物中环氧基团的存在进行证实。
The productive rate can achieve 76.72% and 70% of epoxy group remained.
高聚物收率可达76.72%,体系中的环氧基团约70%被保留下来。
The preparation of spherical powder of silicone rubber, whose active groups are epoxy group and dodecyl, are introduced, as well as the preparation of its aqueous dispersions.