Hydroxyethyl Cellulose (HEC) wani abu ne na yau da kullun na polymer mai narkewa da ruwa wanda ake amfani dashi a cikin fenti na latex. Ba wai kawai yana taka muhimmiyar rawa wajen inganta aikin samfurin ba, amma har ma yana inganta ƙwarewar aikace-aikacen da ingancin fim ɗin rufewa na ƙarshe.
Abubuwan da ke cikin Hydroxyethyl Cellulose
Hydroxyethyl cellulose ne nonionic cellulose ether samar daga halitta cellulose ta hanyar etherification gyara. Yana yana da kyau thickening, suspending, dispersing da emulsifying Properties. Wadannan kaddarorin suna ba da damar HEC don samar da barga colloid a cikin mafita mai ruwa tare da babban danko da kyawawan kaddarorin rheological. Bugu da ƙari, maganin ruwa na HEC yana da kyakkyawar fahimi da ingantaccen ƙarfin riƙe ruwa. Waɗannan halayen sun sa an yi amfani da shi sosai a cikin fenti na latex.
Matsayi a cikin fenti na latex
mai kauri
A matsayin daya daga cikin manyan masu kauri na fenti na latex, babban aikin HEC shine ƙara dankowar ruwan fenti. Danko mai kyau ba zai iya inganta kwanciyar hankali na fenti na latex kawai ba, amma kuma ya hana hazo da delamination. Bugu da ƙari, danko mai dacewa yana taimakawa wajen sarrafa sagging kuma yana tabbatar da kyakkyawan matakin da ɗaukar hoto a lokacin aikace-aikacen, ta haka ne samun fim ɗin suturar tufafi.
kwanciyar hankali inganta
HEC na iya inganta kwanciyar hankali na fenti na latex sosai. A cikin ƙirar fenti na latex, HEC na iya yadda ya kamata ya hana pigments da filler daga daidaitawa, ba da damar fenti ya kasance daidai tarwatsa yayin ajiya da amfani. Wannan dukiya yana da mahimmanci musamman don ajiyar lokaci mai tsawo, yana taimakawa wajen tsawaita rayuwar rayuwar latex.
Riƙewar ruwa
Gina fenti na latex yawanci yakan haɗa da amfani da ruwa mai yawa, kuma kyawawan abubuwan riƙe ruwa na HEC suna kiyaye fim ɗin da aka shafa daidai lokacin bushewa, guje wa lahani na sama kamar fatattaka, foda da sauran matsalolin da ke haifar da saurin ƙafewar ruwa. . Wannan ba kawai yana taimakawa wajen samar da fim ɗin sutura ba, amma har ma yana inganta mannewa da dorewa na fim ɗin sutura.
Daidaita Rheology
A matsayin mai gyaran gyare-gyare na rheology, HEC na iya daidaita yanayin ɓacin rai na fenti na latex, wato, an rage dankon fenti a babban adadin shear (kamar gogewa, abin nadi, ko spraying), yana sauƙaƙa amfani, kuma a ƙananan ƙananan rates. Farfadowa danko a ƙimar ƙarfi (misali a hutawa) yana hana raguwa da gudana. Wannan dukiya na rheological yana da tasiri kai tsaye a kan ginin da kuma ingancin launi na ƙarshe na fenti na latex.
Inganta gine-gine
Gabatarwar HEC na iya inganta haɓaka aikin fenti na latex sosai, yana sa fenti ya zama mai laushi kuma ya fi dacewa yayin aikace-aikacen. Zai iya rage alamun goga, samar da santsi mai kyau da sheki na fim ɗin shafa, da inganta ƙwarewar mai amfani.
Zaɓi da amfani
A cikin ƙirar fenti na latex, zaɓi da adadin HEC yana buƙatar daidaitawa bisa takamaiman bukatun aikace-aikacen. HEC tare da viscosities daban-daban da digiri na maye gurbin zai sami tasiri daban-daban akan aikin fentin latex. Gabaɗaya magana, babban danko HEC ya fi dacewa da fenti mai kauri mai kauri wanda ke buƙatar babban danko, yayin da ƙananan ƙarancin HEC ya dace da fenti mai laushi tare da mafi kyawun ruwa. Bugu da ƙari, adadin HEC da aka ƙara yana buƙatar ingantawa bisa ga ainihin bukatun. Da yawa HEC zai haifar da wuce gona da iri na rufin, wanda bai dace da ginin ba.
A matsayin muhimmin ƙari na aiki, hydroxyethyl cellulose yana taka rawa da yawa a cikin fenti na latex: kauri, ƙarfafawa, riƙe ruwa da haɓaka aiki. Amfani mai ma'ana na HEC ba zai iya haɓaka kwanciyar hankali da kwanciyar hankali da aikin ginin latex ba, amma kuma yana haɓaka inganci da karko na fim ɗin shafa. Tare da haɓaka masana'antar sutura da ci gaban fasaha, buƙatun aikace-aikacen HEC a cikin fenti na latex zai fi girma.
Lokacin aikawa: Agusta-03-2024