Lesson 18　Vinyl Resins and Polyvinyl Chloride

Vinylresinscoverabroadgroupofmaterialsthatrangeinpropertiesfromhardrigidproductstosoftflexibleformulations.Theyarederivedfromthe“vinyl”radical:CH2CH2.Variousatomsorsidegroupsmaybeattachedtothevinylradicaltoproducepolymersofvaryingproperties.Thelargestpoly ......（本文共 6656 字 , 2 张图）     [阅读本文] >>