Kedu uru dị na bisphenol A epoxy resin?
2025-10-20
Bisphenol A BPA epoxy resin bụ ụdị resin epoxy kachasị emepụta ma jiri ya eme ihe. Ọ na-egosipụta nnukwu nghọta ma a na-emepụta ya site na bisphenol A BPA na epichlorohydrin n'ihu sodium hydroxide. Ogo nke polymerization, nke a na-akpọ "n", na-adịkarị site na 0 ruo 25. Dabere na ibu molekul, enwere ike kewaa resin epoxy n'ọkwa dị iche iche. N'ozuzu, resin epoxy dị obere nwere uru "n" nke na-erughị 2 na ebe dị nro n'okpuru 50°C, a na-akpọkwa ha resin epoxy dị nro. Resin dị arọ nke molekul nwere uru "n" n'etiti 2 na 5, yana ebe dị nro site na 50°C ruo 95°C. A na-ekewa resin nwere uru "n" karịa 5 (ebe dị nro karịa 100°C) dị ka resin dị arọ nke molekul.