Yadda ake zaɓar ƙarin abubuwa a cikin polyurethane mai ruwa? Akwai nau'ikan kayan taimako na polyurethane masu ruwa da yawa, kuma kewayon aikace-aikacen yana da faɗi, amma hanyoyin kayan taimako suna daidai da na yau da kullun. 

01

Daidaiton kayan ƙari da kayayyaki shi ma abu ne na farko da za a yi la'akari da shi wajen zaɓar kayan ƙari. A yanayi na yau da kullun, ana buƙatar kayan taimako da kayan su kasance masu jituwa (irin wannan tsari) kuma su kasance masu karko (babu sabon samar da abu) a cikin kayan, in ba haka ba yana da wuya a taka rawar kayan taimako.

02

Ƙarin da ke cikin kayan ƙari dole ne ya riƙe aikin asali na ƙarin na dogon lokaci ba tare da canzawa ba, kuma ikon ƙarin don kiyaye aikin asali a cikin yanayin aikace-aikacen ana kiransa da dorewar ƙarin. Akwai hanyoyi uku ga masu taimako don rasa halayen asali: volatilization (nauyin ƙwayoyin halitta), cirewa (rage narkewar kafofin watsa labarai daban-daban), da ƙaura (rage narkewar polymers daban-daban). A lokaci guda, ƙarin ya kamata ya sami juriyar ruwa, juriyar mai da juriyar narkewa. 

03

A tsarin sarrafa kayan aiki, ƙarin abubuwa ba za su iya canza aikin asali ba kuma ba za su yi tasiri mai lalata ga samarwa da sarrafa injuna da kayan gini ba.

04

Ƙarin abubuwa don daidaitawar amfani da samfura, ƙarin abubuwa suna buƙatar biyan buƙatun musamman na kayan aiki a cikin tsarin amfani, musamman gubar abubuwan da aka ƙara.

05

Domin samun sakamako mafi kyau, amfani da ƙarin abubuwa galibi yana gauraye. Lokacin zabar haɗin, akwai yanayi biyu: ɗaya shine amfani da haɗin don samun sakamako mai kyau, ɗayan kuma don dalilai daban-daban, kamar ba kawai daidaita ba har ma da lalata abubuwa, ba wai kawai don ƙara haske ba har ma da hana tsatsa. Wannan shine a yi la'akari da shi: a cikin abu ɗaya zai samar da haɗin kai tsakanin ƙarin abubuwa (jimlar tasirin ya fi jimlar tasirin amfani guda ɗaya), tasirin ƙari (jimlar tasirin yana daidai da jimlar tasirin amfani guda ɗaya) da tasirin adawa (jimlar tasirin ya ƙasa da jimlar tasirin amfani guda ɗaya), don haka lokaci mafi kyau don samar da haɗin kai, don guje wa tasirin adawa.

 

A cikin tsarin samar da polyurethane mai tushen ruwa don ƙara wani nau'in ƙari, ya zama dole a kula da rawar da yake takawa a matakai daban-daban na ajiya, gini, aikace-aikace, da kuma la'akari da kuma kimanta rawar da take takawa da tasirinta a sashe na gaba. 

Misali, idan aka yi amfani da fenti mai tushen ruwa da sinadarin jika da kuma warwatsewa, yana taka rawa wajen adanawa da ginawa, kuma yana da kyau ga launin fenti. Yawanci akwai tasirin da ya fi rinjaye, kuma a lokaci guda yana haifar da jerin sakamako masu kyau a lokaci guda, kamar amfani da silicon dioxide, akwai tasirin karewa, da kuma shan ruwa, hana mannewa a saman da sauran sakamako masu kyau.

Bugu da ƙari, a cikin amfani da wani wakili na iya samun mummunan tasiri, kamar ƙara sinadarin silicon mai ɗauke da sinadarin, tasirinsa na lalata yana da mahimmanci, yana iya samun tasiri mai kyau, amma kuma don tantance ko akwai ramin raguwa, ba shi da gajimare, ba ya shafar sake shafa fenti da sauransu. Gabaɗaya, amfani da ƙarin abubuwa, a cikin nazarin ƙarshe, tsari ne mai amfani, kuma ma'aunin kimantawa kawai ya kamata ya zama ingancin sakamakon aikace-aikacen.