Methylcellulose (MC) wani nau'in cellulose ne mai narkewa da ruwa tare da kauri, yin fim, daidaitawa da sauran kaddarorin. An fi amfani da shi a abinci, magunguna, gine-gine, kayan kwalliya da sauran fannoni. Halinsa na rushewa a cikin ruwa yana da ɗan bambanta kuma yana da sauƙi don samar da maganin colloidal, don haka daidaitaccen hanyar haɗawa yana da mahimmanci ga tasirinsa.
1. Halayen methylcellulose
Methylcellulose ba shi da sauƙi mai narkewa a zafin jiki, kuma zafinsa yana tasiri sosai. A cikin ruwan sanyi, methylcellulose na iya samar da bayani mai kama da juna ta hanyar watsewa a hankali; amma a cikin ruwan zafi, zai yi sauri ya kumbura da gel. Sabili da haka, kula da zafin jiki yana da matukar muhimmanci lokacin haxa methylcellulose da ruwa.
2. Shiri
Methylcellulose: Ana samunsa daga masu siyar da albarkatun ɗanyen abu ko dakunan gwaje-gwaje.
Ruwa: Ana ba da shawarar a yi amfani da ruwa mai narkewa ko narkar da ruwa don guje wa ƙazanta a cikin ruwa mai tauri daga shafar narkar da methylcellulose.
Kayayyakin Haɗawa: Dangane da buƙatun ku, ana iya amfani da mahaɗar hannu mai sauƙi, ƙaramin mahaɗa mai sauri, ko kayan haɗin masana'antu. Idan ƙaramin aikin dakin gwaje-gwaje ne, ana ba da shawarar yin amfani da injin maganadisu.
3. Mixing mataki
Hanyar 1: Hanyar watsawar ruwan sanyi
Premix ruwan sanyi: Ɗauki adadin ruwan sanyi da ya dace (zai fi dacewa 0-10 ° C) sa'annan a saka shi a cikin akwati mai haɗuwa. Tabbatar cewa zafin ruwan yana ƙasa da 25 ° C.
A hankali ƙara methylcellulose: A hankali zuba methylcellulose foda a cikin ruwan sanyi, yana motsawa yayin zubawa. Tun da methylcellulose yana kula da dunƙulewa, ƙara shi kai tsaye zuwa ruwa na iya haifar da kullu, yana shafar har ma da watsawa. Saboda haka, ƙarin gudun yana buƙatar kulawa da hankali don kauce wa ƙara yawan foda nan take.
Mix da kyau: Yi amfani da mahaɗa akan matsakaici ko ƙananan gudu don tarwatsa methylcellulose cikakke a cikin ruwa. Lokacin motsawa ya dogara da dankon bayani na ƙarshe da ake so da nau'in kayan aiki, kuma gabaɗaya yana ɗaukar mintuna 5-30. Tabbatar cewa babu kullu ko ƙullun foda.
Kumburi: Yayin motsawa, methylcellulose zai sha ruwa a hankali kuma ya kumbura, yana samar da maganin colloidal. Wannan tsari na iya ɗaukar ɗan lokaci, ya danganta da nau'i da adadin methylcellulose da aka yi amfani da shi. Mafi girman danko methylcellulose yana ɗaukar lokaci mai tsawo.
Bari mu zauna don girma: Bayan an gama motsawa, yana da kyau a bar cakuda ya zauna na ƴan sa'o'i ko dare don tabbatar da cewa methylcellulose ya rushe gaba daya kuma ya kumbura. Wannan zai iya ƙara inganta daidaituwar maganin.
Hanyar 2: Hanya biyu na ruwan zafi da sanyi
Wannan hanya ta dace da methylcellulose mai danko sosai wanda ke da wuyar watsawa kai tsaye a cikin ruwan sanyi.
Premix ruwan zafi: Haɗa wani ɓangare na ruwan zuwa 70-80 ° C, sannan a gaggauta motsawa a cikin ruwan zafi kuma ƙara methylcellulose. A wannan lokacin, saboda yawan zafin jiki, methylcellulose zai fadada da sauri amma ba zai narke gaba daya ba.
Ruwan sanyi: Yayin da ake ci gaba da motsawa a cikin maganin zafin jiki mai zafi, sannu a hankali ƙara sauran ruwan sanyi har sai zafin maganin ya faɗi zuwa yanayin al'ada ko ƙasa da 25 ° C. Ta wannan hanyar, methylcellulose mai kumbura zai narke cikin ruwan sanyi kuma ya samar da ingantaccen maganin colloidal.
Juyawa da barin tsayawa: Ci gaba da motsawa bayan sanyaya don tabbatar da cewa maganin ya kasance iri ɗaya. Sai a bar ruwan ya zauna har sai ya narke sosai.
4. Hattara
Sarrafa zafin jiki: Solubility na methylcellulose yana da matukar damuwa ga zafin jiki. Gabaɗaya yana watsewa da kyau a cikin ruwan sanyi, amma yana iya haifar da gel mara daidaituwa a cikin ruwan zafi. Don guje wa wannan yanayin, yawanci ana ba da shawarar yin amfani da hanyar watsawar ruwan sanyi ko kuma hanyar dual mai zafi da sanyi.
Ka guje wa kullun: Tun da methylcellulose yana da hankali sosai, zuba babban adadin foda kai tsaye a cikin ruwa zai sa saman ya fadada da sauri kuma ya haifar da kullun a cikin kunshin. Wannan ba kawai yana rinjayar tasirin rushewar ba, amma kuma yana iya haifar da rashin daidaituwar ɗanko na samfurin ƙarshe. Saboda haka, tabbatar da ƙara foda a hankali kuma a motsa sosai.
Gudun motsawa: Babban saurin motsawa na iya sauƙaƙe gabatar da adadi mai yawa na kumfa, musamman a cikin mafita tare da mafi girman danko. Kumfa zai shafi aikin ƙarshe. Saboda haka, ta yin amfani da ƙananan saurin motsawa shine mafi kyawun zaɓi lokacin da kake buƙatar sarrafa danko ko ƙarar kumfa.
Matsakaicin methylcellulose: Matsakaicin methylcellulose a cikin ruwa yana da babban tasiri akan rushewarta da kaddarorin bayani. Gabaɗaya magana, a ƙananan ƙira (kasa da 1%), maganin yana da bakin ciki kuma yana da sauƙin motsawa. A babban taro (fiye da 2%), maganin zai zama danko sosai kuma yana buƙatar ƙarfi mai ƙarfi lokacin motsawa.
Lokacin tsayawa: A lokacin shirye-shiryen maganin methylcellulose, lokacin tsayawa yana da mahimmanci. Wannan ba wai kawai yana ba da damar narkar da methylcellulose gaba ɗaya ba, har ma yana taimakawa kumfa a cikin maganin su bace a zahiri, yana guje wa matsalolin kumfa a aikace-aikace masu zuwa.
5. Ƙwarewa na musamman a aikace-aikace
A cikin masana'antar abinci, methylcellulose yawanci ana amfani dashi don yin thickeners, stabilizers ko colloids, irin su ice cream, burodi, abubuwan sha, da sauransu. Adadin amfanin abincin methylcellulose gabaɗaya kaɗan ne, kuma ana buƙatar kulawa ta musamman don auna daidai da ƙari a hankali.
A cikin fannin harhada magunguna, ana amfani da methylcellulose sau da yawa azaman wakili mai tarwatsewa ga allunan ko azaman mai ɗaukar magunguna. A wannan yanayin, shirye-shiryen miyagun ƙwayoyi yana buƙatar babban daidaituwa da kwanciyar hankali, don haka ana ba da shawarar sarrafa ingancin samfurin ƙarshe ta hanyar haɓaka danko a hankali da haɓaka yanayin motsawa.
Hada methylcellulose da ruwa tsari ne da ke buƙatar haƙuri da fasaha. Ta hanyar sarrafa yawan zafin jiki na ruwa, tsari na ƙari da saurin motsawa, ana iya samun daidaituwa da kwanciyar hankali na methylcellulose. Ko dai hanyar watsawar ruwan sanyi ne ko kuma hanyar dual mai zafi da sanyi, mabuɗin shine a guje wa murƙushe foda da tabbatar da isasshen kumburi da hutawa.
Lokacin aikawa: Satumba-30-2024