Ọkwa kemịkalụ kwa ụbọchị hydroxypropyl methylcellulose bụ polymer sịntetị nke sitere na akwa cellulose eke sitere na ngbanwe etherification. Cellulose ether bụ ihe sitere na cellulose eke. Ihe mmepụta nke cellulose ether dị iche na polymers sịntetik. Ihe kachasị mkpa ya bụ cellulose, ngwakọta polymer eke. N'ihi ihe dị iche iche nke usoro cellulose eke, cellulose n'onwe ya enweghị ike imeghachi omume na ndị ọrụ etherification. Otú ọ dị, mgbe ọgwụgwọ nke onye na-amụba ihe, a na-ebibi njikọ siri ike hydrogen n'etiti ụdọ molecular na agbụ, na ntọhapụ na-arụ ọrụ nke hydroxyl otu na-aghọ cellulose alkali na-emeghachi omume. Nweta cellulose ether.
Ọkwa kemịkalụ kwa ụbọchị hydroxypropyl methylcellulose bụ ntụ ntụ na-acha ọcha ma ọ bụ dị ntakịrị na-acha odo odo, ọ naghịkwa ísì, enweghị ụtọ na ọ naghị egbu egbu. Ihe mgbaze nke nwere ike gbasasịa ngwa ngwa na mmiri oyi ma gwakọta ya na ihe ndị dị ndụ, ma rute nkwekọ kachasị na nkeji ole na ole iji mepụta ngwọta viscous transperent. Mmiri mmiri mmiri nwere ọrụ elu, nghọta dị elu, nkwụsi ike siri ike, ma ọ dịghị emetụta pH mgbe agbazere na mmiri. Ọ na-enwe mmetụta na-ekpo ọkụ na antifreeze na shampoos na gels ịsa ahụ, ma nwee njide mmiri na ihe dị mma na-emepụta ihe nkiri maka ntutu na akpụkpọ ahụ. Site na mmụba dị nkọ nke akụrụngwa akụrụngwa, cellulose (antifreeze thickener) nke a na-eji na-asa akwa, ncha ntutu, gel ịsa ahụ nwere ike belata ọnụ ahịa ya nke ukwuu wee nweta nsonaazụ achọrọ.
Akụkụ na uru nke ọkwa mmiri oyi kwa ụbọchị HPMC ozugbo cellulose:
1. Obere mgbakasị ahụ, oke okpomọkụ na-adịghị egbu egbu;
2. Broad pH uru nkwụsi ike, nke nwere ike hụ na nkwụsi ike ya na oke pH uru 3-11;
3. Kwalite nhazi;
4. Mụbaa ụfụfụ, mee ka ụfụfụ guzosie ike, meziwanye mmetụta anụ ahụ;
5. Na-emeziwanye mmiri nke usoro ahụ nke ọma.
6. Ọ dị mfe iji, tinye na mmiri oyi iji gbasaa ngwa ngwa na-enweghị clumping
Oke nke ngwa nke kwa ụbọchị kemịkalụ cellulose HPMC:
Ejiri ya na ncha akwa, ncha ntutu, ịsa ahụ, ihe nchacha ihu, ude mmiri, ude, jel, toner, conditioner, ngwaahịa ịcha akwa, ntacha eze, ncha ọnụ, mmiri afụ ụmụaka.
Ọrụ HPMC cellulose kemịkalụ kwa ụbọchị:
Na ịchọ mma ngwa, ọ na-tumadi-eji maka ndim, ụfụfụ, anụ emulsification, dispersion, adhesion, mma nke film-akpụ na mmiri njigide Njirimara nke ịchọ mma, elu-viscosity ngwaahịa na-eji maka ndim, ala-viscosity ngwaahịa na-tumadi ji nkwusioru. mgbasa na film akpụ.
Teknụzụ HPMC nke cellulose kemịkalụ kwa ụbọchị:
Viscosity nke hydroxypropyl methyl fiber dabara maka ụlọ ọrụ kemịkalụ kwa ụbọchị bụ 100,000, 150,000 na 200,000. N'ozuzu, a na-ejikarị viscosity dị elu eme ihe, na mmetụta na-eme ka ọ dịkwuo mma bụ nke kacha mma. Dịka usoro nke gị si dị, ọnụọgụ mgbakwunye na ngwaahịa a na-abụkarị 1,000. 2 akụkụ na 4 akụkụ kwa puku.
Mkpachapụ anya
Ọkwa kemịkal na-erughị eru kwa ụbọchị hydroxypropyl methylcellulose na-egosipụta nghọta na-adịghị mma, mmetụta na-ebuwanye ibu na-adịghị mma, ịdị nro mgbe nchekwa ogologo oge gasịrị, na akụkụ ụfọdụ nwere ike ịghọ ihe ebu. Iji zere mmiri ozuzo cellulose n'oge a na-eji ya eme ihe, a ga-akpali ya tupu nkwekọ ahụ apụta. jiri.
Oge nzipu: Eprel-14-2023