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