1. Akwai nau'ikan hydroxypropyl methylcellulose HPMC da yawa, kuma menene bambanci tsakanin amfanin su?
Amsa: Ana iya raba Hydroxypropyl methylcellulose HPMC zuwa nau'in nan take da nau'in narkewar zafi. Irin samfuran nan take suna watsewa da sauri cikin ruwan sanyi kuma su ɓace cikin ruwa. A wannan lokacin, ruwan ba shi da danko, saboda HPMC ana tarwatsewa ne kawai a cikin ruwa, babu ainihin narke. Bayan kamar minti 2, dankowar ruwan ya karu a hankali, yana samar da colloid mai haske. Abubuwan da ke narkar da zafi, lokacin saduwa da ruwan sanyi, na iya watsewa cikin ruwan zafi da sauri kuma su ɓace cikin ruwan zafi. Lokacin da zafin jiki ya faɗi zuwa takamaiman zafin jiki, danƙon yana bayyana a hankali har sai an sami colloid mai haske. Za'a iya amfani da nau'in zafi mai zafi a cikin foda da turmi kawai. A cikin manne ruwa da fenti, al'amari mai ruɗi zai faru kuma ba za a iya amfani da shi ba. Nau'in nan take yana da fa'idar aikace-aikace. Ana iya amfani dashi a cikin foda da turmi, da kuma a cikin manne ruwa da fenti, ba tare da wani contraindications ba.
2. Menene babban manufar hydroxypropyl methylcellulose (HPMC)?
A: Ana amfani da HPMC sosai a cikin kayan gini, sutura, resins na roba, yumbu, magani, abinci, yadi, noma, kayan kwalliya, taba da sauran masana'antu. Ana iya raba HPMC zuwa: darajar gini, darajar abinci da kuma darajar magunguna bisa ga manufar. A halin yanzu, yawancin samfuran cikin gida sune darajar gini. A cikin aikin ginin, adadin fulawar da ake amfani da shi yana da girma sosai, ana amfani da kusan kashi 90 cikin 100 na foda, sauran kuma ana amfani da turmi na siminti da manne.
3. Menene hanyoyin narkewa na hydroxypropyl methylcellulose HPMC?
Amsa: Hanyar narkar da ruwan zafi: Tunda HPMC ba a narkar da shi a cikin ruwan zafi, ana iya tarwatsa HPMC daidai gwargwado a cikin ruwan zafi a matakin farko, sannan a narkar da sauri idan an sanyaya. Hanyoyi guda biyu na al'ada an bayyana su kamar haka:
1), ƙara 1/3 ko 2/3 na adadin da ake buƙata na ruwa a cikin akwati, kuma zafi shi zuwa 70 ° C, bisa ga hanyar 1), watsa HPMC, shirya ruwan zafi mai zafi; sa'an nan kuma ƙara sauran adadin ruwan sanyi zuwa ruwan zafi A cikin slurry, an sanyaya cakuda bayan an motsa shi.
Yadda ake hada foda: a hada garin HPMC da sauran abubuwan da ake da su, sai a hada su sosai tare da mixer, sannan a zuba ruwa ya narke, sai a narkar da HPMC a wannan lokaci ba tare da dunkule wuri daya ba, domin akwai HPMC kadan a kowanne. ƙaramin ɗan kusurwa. Foda zai narke nan da nan a lamba tare da ruwa. ——Wannan hanyar ana amfani da ita ta hanyar ƙera foda da masu kera turmi. [Hydroxypropyl methylcellulose (HPMC) ana amfani dashi azaman mai kauri da mai riƙe da ruwa a cikin turmi foda.
2), sanya adadin ruwan zafi da ake buƙata a cikin akwati, kuma zafi shi zuwa kusan 70 ℃. An ƙara hydroxypropyl methylcellulose a hankali tare da motsawa a hankali, da farko HPMC ya yi iyo a saman ruwa, sannan a hankali ya samar da slurry, wanda aka sanyaya tare da motsawa.
4. Yadda za a yi hukunci da ingancin hydroxypropyl methylcellulose (HPMC) a sauƙaƙe da fahimta?
Amsa: (1) Nau'i na musamman: girman takamaiman nauyin nauyi, mafi nauyi mafi kyau. ya fi girma, yawanci saboda
(2) Fari: Duk da cewa farar fata ba ta tabbatar da ko HPMC yana da sauƙin amfani ba, kuma idan an ƙara man fata a cikin tsarin samarwa, zai yi tasiri ga ingancinsa. Duk da haka, yawancin samfurori masu kyau suna da fari mai kyau.
(3) Lalacewa: Mafi kyawun HPMC gabaɗaya raga 80 ne da raga 100, kuma raga 120 ya ragu. Yawancin HPMC da aka samar a Hebei raga 80 ne. Mafi kyawun fineness, mafi kyau a gaba ɗaya.
(4) Watsawa: Sanya hydroxypropyl methylcellulose (HPMC) a cikin ruwa don samar da colloid mai haske, kuma a duba yadda yake watsawa. Mafi girman watsawa, mafi kyau, yana nuna cewa akwai ƙananan abubuwa marasa narkewa a cikin. Matsakaicin ma'aunin reactors gabaɗaya yana da kyau, kuma na na'urorin da ke kwance ya fi muni, amma ba za a iya cewa ingancin na'urorin da ke tsaye ya fi na na'urorin da ke kwance ba, kuma akwai abubuwa da yawa da ke tabbatar da ingancin samfuran. Abubuwan da ke cikin hydroxypropyl a ciki yana da girma, kuma abun ciki na hydroxypropyl yana da girma, riƙewar ruwa ya fi kyau.
5. Menene manyan alamun fasaha na hydroxypropyl methylcellulose (HPMC)?
Amsa: abun ciki na Hydroxypropyl da danko, yawancin masu amfani suna kula da waɗannan alamomi guda biyu. Mafi girman abun ciki na hydroxypropyl, mafi kyawun riƙewar ruwa. Viscous, riƙon ruwa, in mun gwada (maimakon
6. Menene madaidaicin danko na hydroxypropyl methylcellulose (HPMC)?
Amsa: Gabaɗaya yuan 100,000 ne foda, kuma turmi ya fi buƙata, kuma yana da sauƙin amfani akan yuan 150,000. Bugu da ƙari, mafi mahimmancin aikin HPMC shine riƙe ruwa, sannan kauri ya biyo baya. A cikin foda, idan dai ruwan riƙewar yana da kyau kuma danko yana da ƙasa (70,000-80,000), yana yiwuwa kuma. Tabbas, idan danko ya fi girma, ƙwaƙwalwar dangi ya fi kyau. Lokacin da danko ya wuce 100,000, tasirin danko akan riƙe ruwa ba shi da yawa. Babu shakka) ya fi kyau, kuma danko yana da girma, kuma yana da kyau a yi amfani da turmi siminti.
7. Menene manyan albarkatun kasa na hydroxypropyl methylcellulose (HPMC)?
Amsa: Babban albarkatun kasa na hydroxypropyl methylcellulose (HPMC): auduga mai ladabi, methyl chloride, propylene oxide, sauran albarkatun kasa sun hada da flake alkali, acid, toluene, isopropanol, da dai sauransu.
Lokacin aikawa: Satumba-21-2022