1. Gabatarwa zuwa Hydroxypropyl Methylcellulose (HPMC)
Hydroxypropyl Methylcellulose (HPMC)ether ce wacce ba ta ionic cellulose wacce aka yi daga zaren auduga na halitta ko ɓangaren itace ta hanyar gyara sinadarai. HPMC yana da kyau ruwa solubility, thickening, kwanciyar hankali, film-forming Properties da bioocompatibility, don haka shi ne yadu amfani a yi, magani, abinci, yau da kullum sunadarai da sauran filayen.
2. Matakan samarwa na HPMC
Samar da HPMC ya ƙunshi matakai masu zuwa:
Shirye-shiryen albarkatun kasa
Babban albarkatun kasa na HPMC shine cellulose na halitta mai tsabta mai tsabta (yawanci daga auduga ko ɓangaren itace), wanda ke buƙatar magani na farko don cire ƙazanta da tabbatar da tsabta da daidaito na cellulose.
Maganin Alkalinization
Saka cellulose a cikin reactor kuma ƙara adadin da ya dace na maganin sodium hydroxide (NaOH) don kumbura cellulose a cikin yanayin alkaline don samar da alkali cellulose. Wannan tsari na iya ƙara yawan aiki na cellulose kuma ya shirya don halayen etherification na gaba.
Halin etherification
Bisa ga alkali cellulose, methylating jamiái (kamar methyl chloride) da kuma hydroxypropylating jamiái (kamar propylene oxide) an gabatar da wani etherification dauki. Yawanci ana aiwatar da martani a cikin rufaffiyar babban mai ɗaukar nauyi. A wani yanayin zafi da matsa lamba, ƙungiyoyin hydroxyl akan cellulose suna maye gurbinsu da ƙungiyoyin methyl da hydroxypropyl don samar da hydroxypropyl methylcellulose.
Wankan tsaka tsaki
Bayan amsawa, samfurin na iya ƙunsar abubuwan da ba a yi amfani da su ba da kuma abubuwan da ba su dace ba, don haka wajibi ne a ƙara wani bayani na acid don maganin neutralization, sa'an nan kuma a wanke tare da ruwa mai yawa ko naman alade don cire ragowar abubuwan alkaline da ƙazanta.
Rashin ruwa da bushewa
Ana amfani da maganin HPMC da aka wanke a tsakiya ko tacewa don cire ruwa mai yawa, sannan kuma ana amfani da fasahar bushewa mara zafi don samar da busassun foda ko flakes don kula da kayan jiki da sinadarai na HPMC.
Nika da dubawa
Ana aika busasshen HPMC zuwa kayan niƙa don murkushewa don samun foda na HPMC daban-daban masu girma dabam. Bayan haka, ana yin nuni da ƙima don tabbatar da daidaiton samfurin don saduwa da buƙatun aikace-aikace daban-daban.
Marufi da ajiya
Bayan ingancin dubawa, samfurin ƙarshe yana kunshe ne bisa ga amfani daban-daban (kamar 25kg/jaka) kuma an adana shi a cikin busassun wuri da iska don hana danshi ko gurɓatawa.
3. Babban wuraren aikace-aikacen HPMC
Saboda kyawawan kauri, ƙirƙirar fim, riƙe ruwa, emulsifying da kaddarorin halittu, HPMC an yi amfani da shi sosai a masana'antu da yawa:
Masana'antar gine-gine
HPMC muhimmin ƙari ne don kayan gini, galibi ana amfani dashi don:
Turmi Siminti: haɓaka haɓakar ginin gini, haɓaka mannewa, da hana asarar ruwa mai yawa.
Tile m: ƙara riƙe ruwa na tile adhesive da inganta aikin gini.
Kayayyakin Gypsum: haɓaka juriya da aikin gini.
Putty foda: inganta mannewa, juriya mai tsauri da ikon hana sagging.
Bene mai daidaita kai: haɓaka ruwa, juriya da kwanciyar hankali.
Masana'antar harhada magunguna
Ana amfani da HPMC sosai a fannin harhada magunguna kamar:
Mai sutura da mai yin fim don allunan miyagun ƙwayoyi: inganta kwanciyar hankali na miyagun ƙwayoyi da sarrafa adadin sakin miyagun ƙwayoyi.
Tsare-tsare-saki da shirye-shiryen sakin sarrafawa: ana amfani da su a cikin dorewar-saki Allunan da harsashi-saki-saki don daidaita sakin miyagun ƙwayoyi.
Abubuwan maye gurbin capsule: ana amfani da su wajen kera capsules masu cin ganyayyaki (capsules na kayan lambu).
4. Masana'antar abinci
Ana amfani da HPMC azaman ƙari na abinci musamman don:
Thickener da emulsifier: ana amfani da su a cikin kayan gasa, jellies, biredi, da sauransu don haɓaka ɗanɗanon abinci.
Stabilizer: ana amfani dashi a cikin ice cream da kayan kiwo don hana hazo mai gina jiki.
Abincin ganyayyaki: ana amfani da shi azaman mai kauri don abinci na tushen shuka don maye gurbin abubuwan da aka samo daga dabba kamar gelatin.
Masana'antar sinadarai ta yau da kullun
HPMC wani muhimmin sashi ne a cikin kayan kwalliya da samfuran kulawa na sirri:
Abubuwan kula da fata: ana amfani da su a cikin lotions, masks na fuska, da dai sauransu don samar da moisturizing da kwanciyar hankali.
Shamfu da shawa gel: ƙara kumfa kwanciyar hankali da inganta danko.
Man goge baki: ana amfani da shi azaman mai kauri da ɗanɗano don inganta dandano.
Paints da tawada
HPMC yana da kyawawan kaddarorin ƙirƙirar fim da kwanciyar hankali na dakatarwa kuma ana iya amfani dashi don:
Fenti na latex: inganta gogewa da rheology na fenti da hana hazo.
Tawada: Inganta rheology da haɓaka ingancin bugawa.
Sauran aikace-aikace
Hakanan ana iya amfani da HPMC don:
Masana'antar yumbu: A matsayin mai ɗaure, haɓaka ƙarfin yumbura blanks.
Noma: Ana amfani da shi a cikin dakatarwar magungunan kashe qwari da suturar iri don inganta kwanciyar hankali na wakili.
Masana'antar yin takarda: A matsayin wakili mai ƙima, haɓaka juriyar ruwa da bugun takarda.
HPMCkayan aikin polymer ne da aka yi amfani da shi sosai, ana amfani da su sosai a gini, magani, abinci, sinadarai na yau da kullun, sutura da sauran masana'antu. Tsarin samar da shi ya haɗa da pretreatment na albarkatun ƙasa, alkalization, etherification, wankewa, bushewa, niƙa da sauran matakai, kowane haɗin gwiwa yana rinjayar ingancin samfurin ƙarshe. Tare da haɓaka buƙatun kariyar muhalli da haɓakar buƙatun kasuwa, ana kuma haɓaka fasahar samarwa na HPMC don biyan bukatun ƙarin masana'antu.
Lokacin aikawa: Maris 25-2025