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Hanyar fesa fenti na CP, CA, TR90 kayan gilashin gilashi don haɓaka mannewa na fim ɗin fenti.

Akwai nau'ikan kayan da yawa don firam ɗin kallo gwargwadon buƙatu daban-daban. Domin samun kayan ado da kayan kariya, hanyoyin jiyya na farfajiya na ƙananan firam ɗin kallo ma sun bambanta. A kowane hali, mannewa tsakanin fenti da substrate a cikin zane yana ƙayyade ingancin zane da aikin fenti. CA, CP da TR90 ana amfani da su a cikin firam ɗin kallo na filastik. Bari mu kalli yadda za a magance matsalar bawon fenti yayin feshi?

Kafin nazarin matsalar peeling na CA, CP da TR90 kayan firam ɗin kallo, dole ne mu fara tantance abin da firam ɗin kallon ya ke, don samar da mafita da aka yi niyya don haɓaka mannewa. Bari mu fara dubawa. Halayen kayan uku da aikace-aikacen su a cikin firam ɗin gilashin ido:

TR90 abu: polymer abu tare da ƙwaƙwalwar ajiya, matsananci-haske firam abu, yana da halaye na super tauri, tasiri juriya da juriya, low gogayya coefficient, da dai sauransu, wanda zai iya yadda ya kamata hana idanu da fuska daga lalacewa saboda frame breakage da kuma gogayya yayin motsa jiki. s lalacewa. Ana amfani da kayan CA sosai a cikin firam ɗin gilashin ido na yau da kullun, tabarau da belun kunne: sunan sinadarai shine fiber acetate, wanda galibi ana amfani dashi a cikin firam ɗin gyare-gyaren allura. Mai sheki, kwanciyar hankali mai ma'ana, juriya mai kyau, ƙarancin farfadowa. Sauƙi don sarrafawa da daidaitawa. Firam ɗin Acetate gabaɗaya suna fitowa daga wannan kayan, musamman baƙar fata. Kayan CP: Shahararriyar motar sinadarai ita ce fiber propionic acid, kuma ƙungiyar hydroxyl a cikin ƙwayar cellulose shine babban polymer a cikin propionic acid, wanda ke da juriya mai kyau da ƙananan zafin jiki. A halin yanzu, ana amfani da kasuwa na wannan kayan don gilashin, kayan wasa da harsashi daban-daban.

Firam ɗin tabarau da aka yi da CA, CP, da TR90 galibi ana fentin fenti a cikin jiyya na saman, yawanci ana fesa da fenti PU ko fenti na roba, tare da shafi ɗaya ko matakai masu yawa. Koyaya, a cikin ainihin aikin feshi, bawon fenti ko mannewa mai rauni shima yana da mahimmancin matsalolin da ke haifar da yawan feshin kayan uku. Saboda yana buƙatar daidaitawa da yanayin aikace-aikacen daban-daban da mitoci na amfani, gwaje-gwajen da ke kan kayan fenti su ma suna da tsauri, kamar gwajin grid 100, gwajin daskarewa, gwajin juriya na tsufa, gwajin lankwasawa, gwajin yankan wuka, da sauransu. zabar wani bayani, ban da mannewa mai rufi wanda ke buƙatar saduwa da ma'auni, dole ne ya wuce abubuwan gwajin da ke sama. Wannan shine dalilin da ya sa ake amfani da magungunan adhesion don magance matsalar peeling peeling na CA, CP, TR90 gilashin gilashin.

Babban bangaren CA, CP, TR90 wakili na adhesion shine acrylic copolymer, wanda shine tsarin kwayar halitta na layi. Ɗayan ƙarshen ƙwayar linzamin kwamfuta zai iya shiga cikin Layer na ciki na CA, CP, TR90 filastik kuma ya amsa tare da resin molecules don samar da haɗin gwiwar kwayoyin halitta, kuma a lokaci guda ya samar da Layer na Ga suturar kariya, ɗayan ƙarshen layin layin shine. an haɗa shi da ƙungiyar hydroxyl a cikin suturar topcoat don inganta mannewa na topcoat. Yana iya wuce gwaje-gwajen aiki kamar daskarewa, yankan, babba da ƙarancin zafin jiki, gumi, da lankwasawa.