Ọkwa kemịkalụ kwa ụbọchị hydroxypropyl methyl cellulose

Ọkwa kemịkalụ hydroxypropyl methyl cellulose kwa ụbọchị bụ polymer sịntetị nke a kwadebere site na mgbanwe kemịkalụ nke cellulose eke dị ka akụrụngwa. Cellulose ether bụ ihe sitere na cellulose eke, mmepụta cellulose ether na polymer sịntetik dị iche, ihe kachasị mkpa bụ cellulose, ihe mejupụtara polymer eke. N'ihi ihe dị iche iche nke usoro cellulose eke, cellulose n'onwe ya enweghị ike imeghachi omume na ndị na-emepụta ihe. Otú ọ dị, mgbe ọgwụgwọ nke ọzịza gị n'ụlọnga, ike hydrogen bonds n'etiti na n'ime molekụla agbụ na-ebibi, na ọrụ nke hydroxyl otu na-ahapụ n'ime alkali cellulose na reactive ike. Mgbe mmeghachi omume nke onye na-ahụ maka etherifying, a na-atụgharị otu -OH n'ime -OR iji nweta cellulose ether.

Kwa ụbọchị kemikal ọkwa pụrụ iche 200 puku viscosity ozugbo hydroxypropyl methyl cellulose bụ a ọcha ma ọ bụ ubé odo ntụ ntụ, na-esi ísì ụtọ, enweghị ụtọ, na-adịghị egbu egbu. Soluble na ngwakọta nke mmiri oyi na organic solvents na-etolite a transperent viscous ngwọta. Ngwọta mmiri nwere ọrụ elu, nghọta dị elu, nkwụsi ike siri ike, solubility na mmiri adịghị emetụta pH. Mmetụta na-eme ka ọ dị arọ na antifreeze na ncha ntutu na ịsacha ahụ, njide mmiri na nhazi ihe nkiri dị mma maka ntutu na akpụkpọ ahụ. Site na mmụba dị ukwuu nke akụrụngwa akụrụngwa, cellulose (ntifirizi thickener) nwere ike iji na ncha ntutu na ịsa ahụ nwere ike belata ọnụ ahịa ya nke ukwuu wee nweta nsonaazụ achọrọ.

1. Njirimara na uru nke kwa ụbọchị chemical ọkwa cellulose HPMC:

1, obere iwe, oke okpomọkụ na mmekọahụ;

2, nkwụsi ike nke pH dị iche iche, na uru pH nke 3-11 nwere ike hụ na nkwụsi ike ya;

3. Ịbawanye ike na ezi uche;

4. Mụbaa afụ, mee ka afụ guzosie ike, meziwanye mmetụta anụ ahụ;

5. N'ụzọ dị irè melite usoro si liquidity.

Ngwa HPMC nke cellulose 2 kwa ụbọchị:

Ejiri ya na ncha ntutu, ịsa ahụ, ihe na-ehicha ihu, ude mmiri, ude, gel, toner, conditioner, ngwaahịa na-akpụzi, ntacha eze, mmiri, mmiri afụ ụmụaka.

3 Ọrụ HPMC cellulose kemịkalụ kwa ụbọchị:

Na ngwa nke ịchọ mma, ọ na-tumadi-eji maka ndim, ụfụfụ, anụ emulsification, dispersion, adhesion, film e guzobere na mmiri njigide arụmọrụ mma, elu viscosity ngwaahịa na-eji dị ka ndim, ala viscosity ngwaahịa na-tumadi ji dị ka nkwusioru dispersion na film guzobe. .

Teknụzụ HPMC nke cellulose kemịkalụ 4 kwa ụbọchị:

Hydroxypropyl methyl eriri imeghari ka viscosity nke chemical ụlọ ọrụ bụ tumadi 100 puku, 150 puku, 200 puku, dị ka ha onwe ha usoro ịhọrọ ego nke kwukwara na ngwaahịa bụ n'ozuzu atọ na puku ise.