Yadda Ake Zaɓan Da Ya dace Antioxidant?

Yadda za aZaɓidaAdaceAantioxidant?

Zaɓin maganin antioxidant da ya dace shine babban mataki don inganta karko, bayyanar da ayyuka na polymer. Wannan yana buƙatar cikakken la'akari da abubuwa da yawa kamar sinadarai na polymer kanta, yanayin sarrafawa, yanayin amfani na ƙarshe da ka'idojin kare muhalli.

Polyolefins(kamar polyethylene da polypropylene) suna da haɗari ga lalata oxidative na thermal, suna buƙatar antioxidants na farko (irin su phenols) don kama radicals kyauta da antioxidants masu taimako (irin su phosphites) don lalata hydroperoxide.

PVCRashin lalacewa ya dogara ne akan ionization, kuma idan aka kwatanta da polyolefins, masana'antun PVC suna da ƙarancin buƙatun maganin antioxidants. A halin yanzu, ana amfani da antioxidants da yawa don PVC sun haɗa daAO1076, AO2246, da dai sauransu.

Injin robobi(PA, PC, PPS) gabaɗaya ana sarrafa su a babban yanayin zafi kuma ana buƙatazafi-resistant antioxidantsdon hana launin rawaya da asarar ƙarfi.

① Domin high-zazzabi aiki yanayi (> 280 ℃), yana da kyau a zabi iri da low volatility da high zafin jiki juriya.

②Don ɗaukar dogon lokaci a waje, ana buƙatar tsarin anti-UV synergistic, kamar mahadi phenolic daUV absorbers.

③Ku kula da dacewa kuma ku guji hazo. Bugu da kari, amine antioxidants suna da rauni mai kariyar launi.

④ Haɗuwa da babban maganin antioxidant da karin maganin antioxidant na iya inganta tasirin tsufa.

A taƙaice, yin amfani da antioxidants kadai bai isa ba don jimre wa yanayin aikace-aikacen daban-daban, kuma daidaitawar abubuwan ƙari da yawa shine mafi kyawun zaɓi.

Tuntube mu don ƙarin bayani!