Mɛni ji sɛɛnamɔi ni yɔɔ bisphenol A epoxy tsofa lɛ he?
2025-10-20
Bisfenɔl A bpa epoxy resin ji epoxy resin ni afee fe fɛɛ ni akɛtsuɔ nii babaoo. Ejieɔ hulutsoo ni nɔ kwɔ kpo, ni afeɔ kɛjɛɔ bisphenol A BPA kɛ epichlorohydrin mli yɛ sodium hydroxide ni yɔɔ jɛmɛ lɛ mli. Polymerization lɛ falɛ, ni atsɔɔ akɛ "n", jeɔ shishi kɛjɛɔ 0 kɛyashi 25. Kɛ damɔ molecular tsiimɔ nɔ lɛ, abaanyɛ aja epoxy resins lɛ mli awo srɔtoi amli. Yɛ gbɛ ni waaa nɔ lɛ, epoxy resins ni tsiimɔ waaa lɛ yɛ "n" jara ni baa shi fe 2 kɛ he ni eyɔɔ blɛoo yɛ 50°C shishi, ni atsɛɔ lɛ epoxy resins ni yɔɔ blɛoo. Molecular weight resins ni yɔɔ teŋgbɛ lɛ yɛ "n" jara ni yɔɔ 2 kɛ 5 teŋ, ni eyɛ blɛoo kɛjɛ 50°C kɛyashi 95°C. Akɛ resin ni "n" jara fe 5 (he ni eyɔɔ mlɛo fe 100°C) lɛ toɔ resin ni molecular weight ni nɔ kwɔ he.