Hpmc na kasar Sin Hydroxypropyl Methyl Selpulamulose, ba ionic Areic, a cikin bushe turmi wanda aka saba amfani da shi azaman mai riƙe ruwa da ke cikin ruwa, shine mafi yawanci ana amfani da kayan riƙewa a cikin turmi.
Akwatin samar da HPMC ya fi yawa zare na coronne (cikin gida) bayan alkalization, ETherization da ƙarar kayan aikin polysaccharide. Ba shi da caji kuma baya amsawa tare da cajin ions a cikin cumetitious da ciminti, kuma aikinta ya tabbata. Farashin ma yana da ƙasa da sauran nau'ikan ether, saboda haka ana amfani dashi a cikin bushewar turfing.
Hydroxypyl Methyp ProfulLulose aiki: na iya sa sabon turwa ya yi laushi don samun takamaiman danko, hana rarrabuwa. (THIKEINGE) KUDA KYAUTA NE AIKIN SAUKI, wanda ke taimakawa wajen kula da adadin ruwan kyauta a cikin turmi, saboda haka aikin ciminti, ciyawar abubuwa suna da ƙarin lokaci zuwa hydrate. (Riƙewa na ruwa) gas ne, zai iya gabatar da karamar kumfa suttura, inganta ginin turmi.
Mafi girma da danko na hydroxypropyl methyl pelulule ether, mafi kyawun riƙe ruwa. Daidaitaccen abu ne mai mahimmanci na aikin HPMC. A halin yanzu, masana'antun HPMC suna amfani da hanyoyi daban-daban da kayan aiki don auna dankan HPMC. Babban hanyoyin sun haɗa da haikerotko, hopler, ubbelhde da Brookfield.
Don samfurin iri ɗaya, sakamakon danko ya shafi hanyoyin daban-daban sun bambanta ƙwarai, kuma wasu ma sun ninka. Sabili da haka, lokacin kwatanta danko, dole ne a yi tsakanin hanyar gwajin iri ɗaya, ciki har da zazzabi, da dai sauransu.
Don girman barbashi, da finer da barbashi, mafi kyawun riƙe ruwa. Bayan manyan barbashi na sel eth etara tare da ruwa, farfajiya nan da nan ya narke da gel don kunsa kayan da zai hana abin da ya shayar da shi don infistrate. Wani lokacin, har ma da dogon zango ba za a iya watsa shi da narkar da narkar da shi ba, yana haifar da girgije mai narkewa ko clumping. Rufewar ruwa da ruwa ya shafi ethulose ethulous, kuma karuwar yana daya daga cikin abubuwanda zasu zabi ether. Kyakkyawan shima muhimmin aikin aikin methyl pelulullulose ether. MC don turɓayar turgi na buƙatar foda, ƙarancin abun ciki, kuma da kyau kuma yana buƙatar 20% ~ 60% m barbashi kasa da 63. Kyakkyawan yana shafar ƙwayar ƙwayar cuta ta hydroxypyl selchulose ether. Mai Colars MC yawanci solubiled kuma a sauƙaƙe narkewa ne a cikin ruwa ba tare da juzu'in ba, amma adadin rushewar da bai dace sosai kuma bai dace da amfani da bushewar foda ba. A cikin bushe turc, mc an watsa shi tsakanin tara, fim mai laushi, ciminti da sauran kayan ciminti na iya nisanta bayyanar sel na ethyl. Lokacin da MC ya narke cikin ruwa, yana da wuya a narkewa cikin watsawa. MC tare da tsatsar da ke karewa ba kawai m, amma kuma yana rage ƙarfin na gida na al'ada. A lokacin da irin wannan turancin turwa aka gina a babban yanki, ana nuna cewa saurin turɓayar bushewar gida ana yawan rage shi sosai, kuma lokacin fashewa ne ya haifar da lokacin crassing daban. Don turmi na harbi tare da ginin na inji, saboda lokacin hadawa ya gajarta, bukatun fa'idodin sun fi girma.
Gabaɗaya magana, mafi girman danko, mafi kyawun aikin riƙewar ruwa. Koyaya, mafi girman danko shine, mafi girman nauyin ƙwayar MC shine, da kuma ƙirar MC za ta ragu gwargwado, wanda ke da tasiri mara kyau akan ƙarfin da aikin ginin aikin na turmi. Mafi girman danko, mafi bayyane game da tasirin turmi, amma ba daidai yake da dangantakar ba. A mafi girma danko, mafi m Stugyy turwa zai zama, duka lokacin gini, aikin m m scraper da babban tasirin m scraper da babban m ga substrate. Amma ba shi da taimako don ƙara yawan ƙarfin tsarin turmi kansa. Wato, lokacin gini, aikin anti-droop ba a bayyane yake ba. A akasin wannan, an canza wasu abubuwa na Methulose na Ethers tare da matsakaici da ƙananan ƙwarewa suna da kyau wasan kwaikwayon turmi na rigar ruwa.
Ragewar ruwa na hpmc kuma yana da alaƙa da yawan zafin jiki da aka yi amfani da shi, kuma ruwan ribar sel metyl ether ya ragu tare da hauhawar zazzabi. Amma a cikin ainihin aikace-aikacen kayan, mahalli da yawa bushe turmi zai kasance a cikin babban zazzabi (sama da 40 fiye da filastik putty filastar a karkashin rana a lokacin bazara, wanda sau da yawa yana haɓaka maganin ciminti da kuma taurarin bushe bushe. Rage raguwar riƙewar ruwa yana kaiwa ga bayyananniyar jin cewa duka uku da tursasawa ana shafa shi. A karkashin irin wadannan yanayi, ya zama ya zama musamman m don rage tasirin abubuwan zazzabi. A wannan batun, methyl hydroxyl sel sel methyl ukun karin okherhyl a yanzu ana ɗaukarsa ya kasance a kan gaba na ci gaban fasaha. Kodayake yana ƙara yawan ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar ƙwayar cuta (Tsarin bazara), gini da Crowling resistance Har yanzu ba zai iya biyan bukatun amfani ba. MC ta hanyar wata magani na musamman, kamar inganta digiri na irethation, na iya yin sakamako na riƙe da ruwa don kula da mafi kyawun yanayi a cikin mawuyacin yanayi.
Babban HPMC yana da zazzabi gel, ana iya raba shi zuwa nau'ikan 60, nau'ikan 65, nau'ikan 75. Don talakawa shirye-shiryen turmi tare da Kogin Sand masana'antar sun fi dacewa zabi 75 HPMC tare da zafin jiki na gel. HPMC Sashin bai kamata ya yi yawa ba, yana da girma kuma zai zama ruwan turmi ya zama karuwa, amma kuma m, lokaci mai tsunduma tayi tsayi, yana shafar aikin. Fassarar samfuran turwa daban-daban Zabi HPMC daban-daban na danko, kar a yi amfani da HPMC mai girma HPMC. Saboda haka, kodayake hydroxypropyl Methylcellulo kayayyakin methylcellulopyl masu kyau ne, amma amfani da kyau kawai yabo ne, zaɓi HPMC dama, zaɓi HPMC na farko shine farkon nauyin ɗakunan ajiya na ciniki. A halin yanzu, akwai da yawa ba bisa dillalai ba bisa doka ba a cikin fili HPMC, ingancin dakin da ya kamata ya zabi wani irin selulose, kada kuyi raha da sauki, kar a sanya asarar da ba dole ba.
Lokaci: Feb-20-2025