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Hol ko woni nafoore bisfenol A epoksi resin?

2025-10-20

Bisfenol A bpa resin epoksi ko sifaa resin epoksi ɓurɗo feewneede e huutoreede. Ina hollita laaɓal toowngal, ina sinndaa e bisfenol A BPA e epiklorohidrin tawa ina waɗi hidroksiid sodium. Toɓɓere polimerisaasiyoŋ, holliraaɗo "n", ina heewi wonde hakkunde 0 e 25.Tuugnaade e teddeendi molekul, resin epoksi ina waawi renndineede e tolnooji keewɗi. Haa teeŋti noon, resin epoksi mo teddeendi mum famɗi ina jogii teddeendi "n" tolniindi e 2 e toɓɓere softeende les 50°C, ina wiyee resin epoksi softuɗo. Resinuuji teddeendi molekul hakkundeeji ina njogii teddeendi "n" hakkunde 2 e 5, tawa toɓɓere softeende ina ummoo e 50°C haa 95°C. Resinuuji jogiiɗi teddeendi "n" ɓurndi 5 (toɓɓere softeende dow 100°C) ina limtee e resinuuji toowɗi teddeendi molekul.

Bisphenol A – piilaaɗo reentaade nguleeki e nokku ɓuuɓɗo 155-158°C, ina heddii e kaaƴe e nder nokkuuji toowɗi nguleeki.Ƴeew ɗoo ngam heɓde coggu ustaangu.