Hydroxypyl Methylcellose (HPMC) bụ polymer na-ejikarị polymer na-ejikarị ya na ọgwụ, ihe ịchọ mma na owuwu. HPMC nwere ọrụ nke nhazi viscosity, mesie ike, melite akụrụngwa na oke, yabụ viscosity dị na ya.
1. Njirimara viscosit nke HPMC
Viccosighty HPMC nwere njikọ chiri anya na oke molecular (ya bụ, ogo nke dochie anya hydroxyylyl dị iche iche), itinye uche na ihe ndị ọzọ. N'ikwu okwu n'ozuzu, onye buru ibu molecular ibu, onye di elu na viscosity nke HPMC. Na mgbakwunye, ngwọta HPMC nwere ogo dị elu na-enwe ogo dị elu n'ihi na ogo nke dochie usoro nke molecular ígwè, nke na-emetụta arụmọrụ solubality ya.
A na-atụkarị viscosity HPMC a na-atụkarị ya n'otu ọnụego oke nke na-eji nchọpụta roccomer. Dabere na ntinye nke HPMC, uru ọhụụ achọrọ dịkwa iche.
2.. Ihe achoro maka viscosity HPMC na ngwa di iche
Ugbo ala
N'ime ụlọ ọrụ ọgwụ, na-ejikarị HPMC na-ejikarị mbadamba, capsules, ọdịda na ọgwụ ndị a na-achịkwa. Maka nkwadebe nke mbadamba na capsules, HPMC na-arụ ọrụ dị mkpa na usoro nke ntọhapụ ọgwụ dị ka ihe nkiri gara aga na Tradener.
Nchịkwa nchịkọta nchịkwa: Nkwadebe ọgwụ na-achịkwa ọgwụ na-achọ hpmc iji nwee vish Ọnọdụ. N'ikwu okwu n'ozuzu, a ga-achịkwa viscosity ngwọta HPMC n'etiti 300 na 2000 na-enyere aka na mwepụta ọgwụ ahụ. Ọ bụrụ na viscosity dị oke oke, enwere ike ịhapụ ọgwụ ahụ nwayọ; Mgbe viscosity dị ala, mwepụta a na-achịkwa nke ọgwụ nwere ike ịbụ ndị na-akwụghị ụgwọ.
Mbadamba ụrọ: N'oge usoro mkpakọ mbadamba, viscosity nke HPMC nwere mmetụta dị mkpa na mbadamba mbadamba na oge ịkatọ. N'oge a, viscosity kwesịrị ịdị n'etiti 500 na 1500 mpịa iji hụ na ezigbo adhesion na arụmọrụ kwesịrị ekwesị.
Ubi
Na ụlọ ọrụ nri, a na-ejikarị HPMC na-ejikarị ya dị ka nke na-eme na ememme na ngwaahịa dị ka byta, ice cream na mmiri ọ fruiceụ fruitụ mkpụrụ osisi. Ngwaahịa dị iche iche nwere ihe dị iche iche chọrọ maka viscosity nke HPMC:
Ihe ọ fruiceụ fruiceụ mkpụrụ osisi: ihe ọ fromụ ọ drinksụụ mmiri mkpụrụ osisi, a ga-achịkwa ihe ndapụta HPMC n'etiti 50 na 300 MPA. Nga viscity dị oke elu nwere ike ibute ihe ọveụ na-atọ ụtọ oke, nke na-adịghị na-anabata nnabata ndị ahịa.
Ice cream: maka ice cream, HPMC na-eji meziwanye ụdị ya na ịdị larịị. N'oge a, ọ dị mkpa ka a chịkwaa viscosit n'etiti 150 na 1000 mpaghara iji hụ na ice cream nwere agbanwe agbanwe na ire dị ezigbo mma.
Uche owuwu
N'ime ụlọ ọrụ owuwu, a na-ejikarị HPMC na-arụ ọrụ dị ka ciment, gypsum na ngwa agha. Ọrụ HPMC na ihe ndị a bụ tumadi karịa ime ka thicken ma melite ịghacha. Visatydị viscosit na-abụkarị obosara, na-abụkarị 2000 MPA. HPMC na mpaghara a nwere ike imezi arụmọrụ owuwu nke ụlọ, dị ka imezi ọrụ na ịgbatị oge mmeghe.
Cosmetic ubi
Na Cosmetic ubi, a na-ejikarị HPMC, a na-ejikarị HPMC, na usoro nke ngwaahịa dị ka ọdịdị nke usoro ọdịdị nke HPMC na Cosmetics dị nro, ihe dị ka 1000 ruo 3000 mpaghara 3000. Oke viscosity nwere ike ibute ngwa ngwa ahịa a, na-emetụta ahụmịhe onye ọrụ.
3. Ihe ndị na-emetụta viscosity nke HPMC
Ibu Ilucular: The buru ibu nke hpmc, ogologo molecular yinye, na elu viscosity nke ihe ngwọta. Maka hpmc na nnukwu mowocular ibu, viscosity nke ya na otu uche ahụ ga-adị ukwuu karịa nke HPMC na oke molecular. Ya mere, ịhọrọ nke HPMC ya na oke molecular bụ isi ihe na-edozizi viccosict.
Ogo nke dochie anya HPMC, ya bụ, ogo nke dochie hydropyyl na methyl, ga-emetụtakwa victy. Otu uru dị elu na-eme ka ụmụ irighiri Hpmc na-akwụsi ike, yana mmekọrịta dị n'etiti ụmụ irighiri ihe na-abawanye, na-ebute mmụba na ụba.
Ngwọta ngwọta: itinye uche HPMC nwere mmetụta ka ukwuu na viscosity. Na ala dị ala, viscosity HPMC Ngwọta adịghị ala; N'elu elu, mmekọrịta dị n'etiti awara ụdọ molecala, na viscosisse na-abawanye nke ukwuu. Ya mere, na ngwa bara uru, enwere ike ịchịkwa viscosise nke ikpeazụ site na idozi ịta HPMC.
Sọọ ntọala na ọnọdụ gburugburu ebe obibi: soluby na viscosity nke HPMC nwekwara njikọ chiri anya na ụdị ọnọdụ gburugburu (dịka pH, ọnọdụ okpomọkụ, wdg). Ihe mgbazinye dị iche iche na ọnọdụ okpomọkụ na ọnọdụ dị iche iche ga-agbanwe ngbanwe nke HPMC, si otú ahụ emetụta viscosit nke ya.
Nleta viscosity nke HPMC bụ otu n'ime paragraf dị mkpa na ntinye ya na mpaghara dị iche iche. N'ime ogwu ogwu, nri, ihe eji eme ihe na oru ndi ozo, ekwesiri ichikota viscosity HPMC n'ime otu a ka choro. Site na idozi ihe ndị dị ka ụyọkọ molecular, ogo ịta, itinye uche na ihe mgbaze nke HPMC, enwere ike ịchịkwa viscosity HPMC, enwere ike ịchịkwa viscosis na HPMC. Na ọnọdụ imepụta ya, na-ejikarị viscosict maka mkpa ngwa ndị akọwapụtara bụ isi ihe iji hụ na ogo ngwaahịa na arụmọrụ.
Oge post: Feb-19-2025