A structure of the toughener contains a flexible segment and an active epoxy group, so the toughener has excellent toughening effect on the powdered epoxy resin.
由于增韧剂结构中含有柔性链段和活性环氧基，因此对于粉末环氧树脂有优异的增韧效果。
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.
介绍了含活性基团(环氧基、长链烷基等)硅橡胶球形微粉的制备、硅橡胶球形微粉水分散液的制备。
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