Epoxy UV curing guduro ana amfani da ko'ina a cikin filayen lantarki rufi simintin gyaran kafa, anti-lalata shafi, karfe bonding da sauransu saboda ta high bonding ƙarfi, m bonding surface, low shrinkage, mai kyau kwanciyar hankali, m lantarki rufi, high inji ƙarfi da sauransu. mai kyau aiwatarwa.A cikin 'yan shekarun nan, epoxy UV curing resin a matsayin masana'antu ya bunƙasa.
Duk da haka, a halin yanzu, yanayin juriya na yawancin samfuran epoxy yana da rauni sosai, musamman a cikin samar da epoxy m, led potting m, epoxy UV curing guduro kayan ado m, da dai sauransu, samfurin launi bukatun ne m, wanda kuma ya sa gaba mafi girma. bukatun ga anti yellowing yi na epoxy tsarin.
Akwai abubuwa da yawa da ke haifar da yellowing na epoxy kayayyakin: 1. The bisphenol wani tsari na aromatic epoxy UV curing guduro yana da sauƙin oxidize don samar da carbonyl don samar da yellowing kungiyar;2. The free amine bangaren a amine curing wakili ne kai tsaye polymerized tare da epoxy UV curing guduro, sakamakon a gida zazzabi Yunƙurin da kuma kara yellowing;3. Manyan amine accelerators da nonylphenol accelerators suna da sauƙi don canza launi a ƙarƙashin zafi mai zafi da kuma UV irradiation;4. Idan yawan zafin jiki ya yi yawa a lokacin da ake amsawa, ragowar ƙazanta da masu kara kuzari a cikin tsarin zasu haifar da yellowing.
Magani mai mahimmanci shine ƙara maganin antioxidant da ultraviolet, wanda zai iya hanawa yadda ya kamata da jinkirta rawaya.Koyaya, akwai nau'ikan antioxidants da yawa, kuma zaɓin samfuran da suka dace yana buƙatar takamaiman goyan bayan fasaha da tarin ƙwarewa.
Rarraba antioxidants: daya shine babban maganin antioxidant: kama peroxides free radicals, galibi masu hana phenol antioxidants;Daya shine karin maganin antioxidant: bazuwar hydroperoxides, galibi phosphite esters da thioesters.Gabaɗaya, ana ba da shawarar antioxidants daban-daban bisa ga tsarin samarwa, albarkatun ƙasa, kaushi, ƙari da masu cika masana'antun daban-daban, waɗanda matakin rawaya da matakin rawaya.
Hasken ultraviolet kuma muhimmin mai laifi ne wanda ke haifar da oxidation yellowing na tsarin epoxy, galibi daga hasken rana.Don haka, musamman ga abokan cinikin da samfuran da ake buƙata a yi amfani da su a waje, za mu ba da shawarar ƙara adadin abin sha na UV zuwa samfuran, wanda zai iya ɗaukar UV yadda ya kamata da jinkirta rawaya.Bugu da ƙari, yin amfani da ultraviolet da antioxidant na iya yin tasiri mai tasiri, tare da tasirin cewa 1 da 1 ya fi 2 girma.
Hakika, da yin amfani da antioxidants da ultraviolet absorbers ba zai iya fundamentally warware matsalar yellowing, amma a cikin wani iyaka da kuma lokaci, shi zai iya yadda ya kamata hana hadawan abu da iskar shaka yellowing na kayayyakin, kiyaye ruwa launi na kayayyakin m da kuma inganta sa na kayayyakin. .
Lokacin aikawa: Mayu-09-2022