HPMC, wanda kuma aka sani da hydroxypropyl methylcellulose, wani abu ne mai matukar tasiri wanda ake amfani dashi a cikin masana'antar gine-gine, musamman a cikin kera bangon bango. Ana amfani da putty na bango don shiryawa da daidaita bangon kafin zanen, don haka yana ba da cikakkiyar gamawa.
Yawancin magina sun sami matsala tare da sagging a baya. Sag yana faruwa lokacin da putty ya fara zamewa daga bango saboda nauyinsa. Wannan yana haifar da rashin daidaituwa da ƙarancin ƙwarewa wanda ke ɗaukar lokaci mai yawa da ƙoƙari don gyarawa. Duk da haka, magina sun sami mafita ta ƙara HPMC zuwa bangon putty, wanda ke taimakawa inganta juriya na sag da ingancin samfurin ƙarshe.
Akwai dalilai da yawa da ya sa HPMC shine irin wannan ƙari mai inganci. Na farko, yana aiki azaman mai kauri, wanda ke nufin yana taimakawa haɓaka danko na kayan sakawa. Wannan ƙarar danko yana sa abu ya yi wahala don zamewa daga bangon kuma yana sauƙaƙe mafi kyawun mannewa ga saman. Ingantattun danko na putty kuma yana ba shi damar cika microcracks da ƙananan cavities a cikin ganuwar, yana samar da santsi, ko da saman. Wannan yanayin kuma yana taimakawa rage adadin abin da ake buƙata don rufe wani yanki da aka ba da shi, yana haifar da ƙarin farashi mai inganci.
Na biyu, HPMC tana taka muhimmiyar rawa wajen sarrafa saurin bushewa na bangon bango. Gudun bushewa kai tsaye yana rinjayar juriya na sag na putty, kuma jinkirin bushewar putty gabaɗaya ya fi kwanciyar hankali kuma baya sauƙin sag. HPMC yana taimakawa wajen daidaita yawan ƙawancen ruwa a cikin kayan da ake sakawa, wanda hakan ke shafar lokacin bushewa. Wannan tanadi yana haifar da kwanciyar hankali da daidaiton putty wanda ke bushewa daidai gwargwado, yana rage damar sagging.
Hakanan za'a iya amfani da HPMC don haɓaka mannewa tsakanin bangon putty da substrate. Adhesion yana nufin matakin da abin da ake sakawa yana manne da saman da aka yi amfani da shi. HPMC na iya inganta mannewa sosai saboda yana samar da fim mai kariya a saman, wanda ke inganta mannewa na sakawa zuwa madaidaicin.
Bugu da ƙari, HPMC kuma na iya taimakawa wajen riƙe danshi a cikin kayan sawa na bango. Ko da yake ruwa shi ne mabuɗin hanyar sarrafa ɗimbin ɗigon ruwa da ƙarfafawa, shi ne kuma babban dalilin tsagewa da ɓacin rai a lokacin da ruwan ya ƙafe da sauri. HPMC yana taimakawa wajen riƙe danshi a cikin kayan da aka saka na dogon lokaci, yana barin putty ya daidaita daidai kuma ya bushe ba tare da sagging ba.
A taƙaice, HPMC wani abu ne mai mahimmanci kuma mai tasiri a cikin bangon bango, wanda ke taka muhimmiyar rawa wajen haɓaka kayan anti-sagging na bangon putty. Tare da thickening, bushewa kudi iko, mannewa inganta da ruwa riƙe kaddarorin, HPMC yayi magina wani m bayani ga sag matsaloli da kuma inganta overall ingancin karshen samfurin. Amfanin ba wai kawai a cikin ƙwanƙwasa ba, mafi kwanciyar hankali, amma har ma a cikin farashi-tasiri na maganin. Don haka, ya zama dole a gane da kuma jaddada rawar da HPMC ke takawa a cikin masana'antar gine-gine.
Lokacin aikawa: Agusta-15-2023