haske stabilizer
Ana amfani da masu daidaita haske don kare robobi da sauran kayan daga lalacewa daga dogon lokaci - ga hasken ultraviolet. Fitar da robobi zuwa hasken ultraviolet daga hasken rana yana haifar da lalacewa ta hanyar photooxidation. Wannan na iya samun adadin abubuwan da ba a so ciki har da canje-canje a cikin bayyanar (rauni, canjin sheki da/ko alli), raguwa a cikin kayan aikin injiniya da samuwar lahani da ake iya gani kamar fasa. Fitilar fitilu masu walƙiya da ake amfani da su don hasken cikin gida suma suna fitar da hasken UV, amma a ƙananan matakan haske fiye da hasken rana.
Kamar yadda yake a yanayin iskar oxygen ta thermal, photooxidation tsari ne na amsa sarkar da ke tattare da radicals kyauta da tsaka-tsakin hydroperoxide. Photostabilizers suna hana wannan tsari ta hanyar zazzage tsaka-tsaki masu amsawa ko ta gasa mai cutarwa UV radiation.
Abubuwan da aka hana amine haske stabilizers (HALS) galibi suna aiki ta hanyar zazzage matsakaitan tsattsauran ra'ayi a cikin tsarin photooxidation. HALS suna da tasiri sosai don daidaita haske na polyolefins, styrenic polymers da wasu robobin injiniya.
Masu ɗaukar ultraviolet (UV) suna aiki ta hanyar kare ciki na sassan filastik daga lalata UV radiation. Waɗannan samfuran ana siffanta su da ƙarfi mai ƙarfi na UV da babban matakin ingantaccen hoto. Masu ɗaukar UV suna da tasiri wajen daidaita robobi da yawa, gami da PVC da robobin injiniya. Ana kuma amfani da su a aikace-aikacen marufi na filastik don kare abubuwan fakitin daga hasken UV.
Haɗin HALS da masu ɗaukar UV galibi suna nuna aikin haɗin gwiwa akan ko dai mai daidaita haske kaɗai.
