Hydroxypropyl methylcellulose (HPMC)wani sinadari ne na polymer ɗin da ake amfani da shi sosai a cikin kayan gini, musamman a turmi, sutura, adhesives da sauran samfuran. Babban aikin admixture na HPMC shine haɓaka aikin ginin turmi, haɓaka riƙewar ruwa da tsawaita lokacin buɗewa. Yayin da buƙatun kayan aiki masu girma a cikin masana'antar gini ke ci gaba da ƙaruwa, aikace-aikacen HPMC ya sami kulawa sosai.
1. Abubuwan asali na HPMC
HPMC shine ether cellulose mai narkewa mai ruwa tare da ingantaccen ruwa, mannewa da kaddarorin kauri. Yana iya inganta riƙon turmi sosai, da tsawaita lokacin buɗewa, da haɓaka juriyar sag da aikin ginin turmi. Waɗannan kyawawan kaddarorin sun sa HPMC ta zama ɗaya daga cikin abubuwan da aka saba amfani da su a cikin turmi da sauran kayan gini.
2. Tsarin bushewa na turmi
Tsarin bushewa na turmi yawanci ya haɗa da sassa biyu: evaporation na ruwa da siminti hydration dauki. Ruwan siminti shine tsarin farko na maganin turmi, amma zubar da ruwa a lokacin bushewa shima yana taka muhimmiyar rawa. Danshi a cikin turmi siminti yana buƙatar a hankali a cire shi ta hanyar aiwatar da ƙafewar, kuma saurin wannan tsari yana rinjayar inganci, karko da aikin ginin da aka gama bayan an gina shi.
3. Tasirin HPMC akan saurin bushewar turmi
Tasirin haɗakarwar AnxinCel®HPMC akan saurin bushewa na turmi yana nunawa ta fuskoki biyu: riƙe ruwa da sarrafa ƙawancen ruwa.
(1) Inganta riƙon ruwa da rage saurin bushewa
HPMC yana da ƙarfi mai ƙarfi da abubuwan riƙe ruwa. Zai iya samar da fim ɗin hydration a cikin turmi don rage saurin ƙawancen ruwa. Mafi kyawun ajiyar ruwa na turmi, yana raguwa a hankali saboda ana ajiye ruwan a cikin turmi na tsawon lokaci. Sabili da haka, bayan ƙara HPMC, za a hana tsarin fitar da ruwa a cikin turmi zuwa wani matsayi, wanda zai haifar da tsawon lokacin bushewa.
Duk da cewa rage fitar da ruwa na iya tsawaita lokacin bushewar turmi, wannan tsarin bushewar a hankali yana da fa'ida musamman a lokacin aikin gini, domin yana iya hana matsaloli kamar bushewar sama da fashewar turmi da tabbatar da ingancin ginin.
(2) Daidaita tsarin siminti hydration
Matsayin HPMC a cikin turmi siminti bai iyakance ga inganta riƙe ruwa ba. Hakanan yana iya daidaita tsarin hydration na siminti. Ta hanyar canza rheology na turmi, HPMC na iya rinjayar matakin lamba tsakanin simintin siminti da danshi, ta haka yana shafar ƙimar siminti. A wasu lokuta, ƙari na AnxinCel®HPMC na iya ɗan jinkirta aiwatar da aikin siminti, yana sa turmi ya warke a hankali. Yawancin lokaci ana samun wannan tasiri ta hanyar daidaita girman rabon siminti da kuma hulɗar simintin siminti, ta haka yana rinjayar saurin bushewa.
(3) Daidaituwa zuwa yanayin zafi
HPMC na iya inganta juriya na turmi, yana sa turmi ya fi dacewa da yanayin zafi. A cikin busasshiyar muhalli, tasirin riƙe ruwa na HPMC yana da mahimmanci musamman. Yana iya jinkirta asarar damshin saman yadda ya kamata da rage fashewar saman da ke haifar da saurin bushewa da yawa. Wannan yana da mahimmanci musamman a cikin yanayi mai zafi ko bushe. Saboda haka, HPMC ba kawai daidaita yawan ƙawancen ruwa ba, har ma yana haɓaka daidaitawar turmi zuwa yanayin waje, a kaikaice yana tsawaita lokacin bushewa.
4. Abubuwan da ke shafar saurin bushewa
Bugu da ƙari da ƙari na admixture na HPMC, saurin bushewa na turmi yana tasiri da wasu abubuwa da yawa, ciki har da:
Rabon Turmi: Rabon siminti da ruwa da rabon tara mai kyau zuwa gaɗaɗɗen ƙira zai yi tasiri ga abun cikin turmi don haka saurin bushewa.
Yanayin muhalli: Zazzabi, zafi da yanayin kewayawar iska sune mahimman abubuwan da ke shafar saurin bushewa na turmi. A cikin yanayin zafi mai zafi da ƙarancin zafi, ruwa yana ƙafe da sauri, kuma akasin haka.
Kaurin turmi: Kaurin turmi yana shafar aikin bushewarsa kai tsaye. Mafi kauri yakan ɗauki tsawon lokaci kafin ya bushe gaba ɗaya.
5. Abubuwan da ake amfani da su na aikace-aikace
A aikace-aikace masu amfani, injiniyoyin gine-gine da ma'aikatan gine-gine suna buƙatar daidaita saurin bushewa na turmi tare da aikin ginin. A matsayin admixture, HPMC na iya jinkirta saurin bushewa, amma wannan fasalin yana da fa'ida sosai a wuraren da ake buƙatar kiyaye lokacin gini. Misali, a cikin yanayin zafi mai zafi, bushewar iska, HPMC na iya hana bushewa da fashewar ƙasa yadda ya kamata, tabbatar da ingantaccen aiki da tsayin lokacin buɗe turmi yayin gini.
Koyaya, a wasu takamaiman lokuta, kamar ayyukan da ke buƙatar bushewar turmi da sauri, yana iya zama dole don sarrafa adadinHPMCƙara ko zaɓi dabarar da ba ta ƙunshi HPMC ba don hanzarta aikin bushewa.
A matsayin haɗakar turmi,AnxinCel® HPMC na iya inganta ingantaccen ruwa na turmi, tsawaita lokacin buɗewa, kuma a kaikaice yana shafar saurin bushewa na turmi. Bayan ƙara HPMC, saurin bushewar turmi yawanci yana raguwa, wanda ke da tasiri mai kyau akan guje wa matsaloli kamar bushewar bushewa yayin gini. Koyaya, canje-canjen saurin bushewa kuma suna shafar abubuwa daban-daban kamar ƙimar turmi da yanayin muhalli. Sabili da haka, a cikin aikace-aikace masu amfani, adadin HPMC dole ne a zaɓa bisa ga ƙayyadaddun yanayi don cimma sakamako mafi kyau na ginin.
Lokacin aikawa: Janairu-10-2025