Hydroxypyl methylcelous (HPMC) mai amfani da polymer ne wanda aka saba amfani dashi a cikin magunguna, kayan kwalliya, samfuran abinci, da sauran aikace-aikace na masana'antu. Ana amfani dashi sosai saboda babisanta, wanda ba mai guba ba, da ƙarfi don canza kayan aikin ƙwararrun abubuwan mafita. Koyaya, yana da mahimmanci a fahimci yadda za a narke HPMC yadda ya kamata don amfani da kadarorin da yake dacewa.
Ruwa: HPMC yana da narkewa sosai a cikin ruwa, yana sanya shi zabi don aikace-aikace da yawa. Koyaya, ragin rushewa na iya bambanta dangane da abubuwan da dalilai, kamar yadda zafin jiki, pH, da kuma sa na HPMC da aka yi amfani da shi.
Abubuwan kwayoyin cuta: Tsarin kwayoyin halitta daban-daban na iya narke HPMC zuwa ga halaye daban-daban. Wasu cututtukan cututtukan halitta sun hada da:
Coloss: ISOPPANOL (IPA), ethanol, Methanol, da sauransu ana amfani da waɗannan giya a cikin tsarin magunguna kuma ana iya narke HPMC da kyau.
Acetone: acetone wani karfi ne mai ƙarfi wanda zai iya narke HPMC sosai.
Ethyl Acetate: Wannan shine wani kwayar halitta wanda zai iya soke HPMC yadda ya kamata.
Chloroform: chloroform shine mafi yawan ƙarfi kuma ya kamata a yi amfani da shi da taka tsantsan saboda guba.
Dimesthyl sulfoxide (DMSO): DMSO NE SOLRICLIVIVEL SOVIVAVIVIVIVIVIVents zai iya narkar da kewayon mahadi, ciki har da HPMC.
Propylene glycol (pg): Sau da yawa ana amfani dashi azaman hadadden hade a cikin tsarin magunguna. Zai iya narke hpmc yadda ya kamata kuma ana amfani da shi sau da yawa a tare da ruwa ko wasu abubuwan sha.
Glycerin: Glycerin, wanda kuma aka sani da Glycerol, shine sauran hanyoyin gama gari a cikin magunguna da kayan kwalliya. Ana amfani dashi sau da yawa a hade tare da ruwa don narke HPMAC.
Polyethylene glycol (Peg): Peg ne polymer tare da kyakkyawan tsari a cikin ruwa da yawa kwayoyin cuta. Ana iya amfani da shi don narke HPMC kuma galibi yana aiki a cikin tsarin saki.
Surfactants: wasu samfuran Surfacts na iya taimakawa a rushe HPMC ta hanyar rage tashin hankali na farfajiya da inganta rigar dingi. Misalai sun hada da twedan 80, Laurenl Lucyling (sls), da polysorbate 80.
M acid na acid ko sansanoni kamar yadda ba wanda aka saba amfani da shi saboda damuwa na aminci da kuma lalata acid (misali, sodium hydroxide) zai iya soke HPMC a karkashin yanayin da ya dace. Koyaya, matsanancin yanayin ph na iya haifar da lalata polymer.
Aggles hadaddun: wasu wakilai masu hadaddun kamar cylodehode na iya samar da hadaddun hade tare da HPMC, suna taimakawa rushewarsa da inganta karancin sa.
Zazzabi: Gabaɗaya, yanayin zafi mafi girma yana inganta adadin rushewar HPMC cikin ƙarfi kamar ruwa. Koyaya, yanayin zafi mai yawa na iya lalata polymer, saboda haka yana da mahimmanci don yin aiki a cikin kwanciyar hankali na zazzabi.
Rashin daidaituwa: Matsa ko hadawa na iya sauƙaƙe rushewar HPMC ta ƙara yawan saduwa da polymer da sauran ƙarfi.
Girman barbashi: finely powdered HPMC zai narke mafi yawa fiye da manyan barbashi saboda karuwar yanki.
Yana da mahimmanci don lura cewa zaɓi na ƙarfi da yanayin rushewa ya dogara da takamaiman aikace-aikacen kuma ana so kaddarorin da ake so na ƙarshe. Wajibi tare da wasu sinadarai, la'akari da aminci, da kuma buƙatun mai gudanarwa kuma suna tasiri zaben abubuwan da aka makira da rushewa. Bugu da kari, yana da mahimmanci a gudanar da karatun karfafa gwiwa da gwajin da aka dace don tabbatar da cewa lalacewar tsari baya shafar ingancin samfurin ko aiwatarwa na karshe.
Lokaci: Mar-22-2024