Lesson 21　Epoxy Resins

Theepoxyresinshavesteadilygrownintheiruseintheplasticsandrelatedindustriesduetothevarietyofformsinwhichtheymaybeprocessed.Asthermosettingmaterials,theyarecuredorcross-linkedbytheadditionofahardenertotheoriginalliquidresin+①.Therepeatingmolecularstructurei ......（本文共 6272 字 , 2 张图）     [阅读本文] >>