(1) Hydroxypropyl methylcellulose (HPMC) ya kasu kashi na yau da kullun (nau'in mai narkewa mai zafi) da nau'in ruwan sanyi nan take:
Nau'in na yau da kullun, ya taru a cikin ruwan sanyi, amma yana iya watsewa cikin ruwan zafi da sauri kuma ya ɓace cikin ruwan zafi.Lokacin da zafin jiki ya faɗi zuwa wani zafin jiki, danƙon zai bayyana a hankali har sai ya zama colloid mai haske.Dalilin cin karo da dunkulewar ruwan sanyi shine: foda ta waje ta ci karo da ruwan sanyi, nan da nan ya zama dankowa, ya yi kauri ya zama colloid mai haske, sannan cellulose na ciki yana kewaye da colloid kafin ya hadu da ruwa, kuma har yanzu yana cikin foda. tsari., amma a hankali ya narke.Samfuran na yau da kullun ba sa buƙatar amfani da ruwan zafi a cikin aikace-aikace masu amfani, saboda putty foda ko turmi foda ne mai ƙarfi.Bayan bushe bushe, an raba cellulose da wasu kayan.Lokacin da ruwa ya ci karo da shi, nan da nan zai zama danko kuma ba zai kafa kungiya ba.
Samfurin nan take yana watsewa da sauri lokacin da ya ci karo da ruwan sanyi kuma ya ɓace a cikin ruwa.A wannan lokacin, ruwan ba shi da danko, saboda HPMC kawai ana tarwatsewa cikin ruwa ba tare da narkar da gaske ba.Daga kimanin minti 2, dankon ruwa a hankali yana ƙaruwa, yana samar da colloid mai haske.
(2) Iyalin aikace-aikacen nau'i na yau da kullun da nau'in nan take: nau'in nan take yawanci ana amfani dashi a cikin manne ruwa, kayan kwalliya, da wanki.Saboda an bi da saman cellulose nan take tare da dialdehyde, riƙewar ruwa da kwanciyar hankali ba su da kyau kamar samfuran yau da kullun.Saboda haka, a cikin busassun foda irin su putty foda da turmi, muna bada shawarar samfurori na yau da kullum.
Yadda za a zabi danko mai kyau na cellulose:
1. Da farko, muna bukatar mu fahimci muhimmancin cellulose ether: rike ruwa da thickening.
2. A masana'antu yawanci iya ce 100,000 danko, 150,000 viscosity, da 200,000 danko.Menene ma'aunin waɗannan ma'auni?Menene tasirin ma'auni daban-daban akan samfurin?
(1) Domin kiyaye ruwa
Ayyukan riƙewar ruwa yana ƙaruwa tare da haɓakar danko, amma bisa ga yanayin kasuwa, lokacin da danko na cellulose ya wuce 100,000, aikin riƙewar ruwa yana ƙaruwa tare da danko.
(2) Domin kauri
Gabaɗaya magana, lokacin da ingantaccen abun ciki ya zama na al'ada, girman naúrar, mafi kyawun aikin kauri.Wato, babban danko yana buƙatar ruwa mai yawa, kuma yawan ajiyar ruwa ba ya canzawa sosai.
3. Yawancin kamfanoni suna amfani da ma'auni daban-daban, wato, daban-daban turmi da cellulose ether ƙayyadaddun bayanai sun bambanta, amma ga ƙananan masana'antu, zai kara farashin.Yawancin ƙananan masana'antu suna amfani da ether filastik fiber ɗaya kawai don amfanin gaba ɗaya, wato, adadin ya bambanta.!Gabaɗaya, raka'a 100,000 ne aka fi amfani da su.
4. Yawanci ana amfani da viscosity 200,000 don haɗa turmi, haka nan ana amfani da 100,000 don daidaita kai, 100,000 don daidaitawa kai, da 80,000 don plastering.Tabbas, an ƙaddara shi ne ta hanyar ingancin riƙewar ruwa.Ba mu ba abokan ciniki shawarar yin amfani da babban danko ba.Misali, don raka'a 200,000, mafi girman dankowar ether cellulose, mafi rashin kwanciyar hankali, kuma akwai ƙarin samfuran jabu.Wasu abokan ciniki sun ba da rahoton cewa samfurin 20W na gaske ya yi tsayi sosai kuma ginin ba shi da kyau sosai.
5. Riƙewar ruwa na ether cellulose da aka yi amfani da shi a turmi ya bambanta da ruwa na cellulose ether a cikin gwaji.Ko da riƙon ruwa na cellulose ether kanta yana da kyau, ba yana nufin cewa tasirin turmi ya tabbata ba To, an ƙaddara shi ne ta hanyar aiwatar da sauran abubuwan da suka rage a cikin dabarar, adadin ƙarawa, da tasirin haɗuwa. da busassun foda turmi kayan aiki.Zai fi kyau a yi amfani da shi akan bango don ganin tasirin.Wannan ita ce gaskiya!
Lokacin aikawa: Fabrairu-08-2023