Focus on Cellulose ethers

A na-eji hydroxypropyl methylcellulose mee ihe dị ka gluu

Nke mbụ, ọkwa nke gluu ihe owuwu kwesịrị iburu n'uche akụrụngwa.Isi ihe kpatara ịkwanye gluu ihe owuwu bụ enweghị ndakọrịta n'etiti emulsion acrylic na hydroxypropyl methylcellulose (HPMC).Nke abuo, n'ihi ezughị ezu agwakọta oge;e nwekwara ogbenye ndim arụmọrụ nke ewu gluu.Na-ewu gluu, ị ga-eji ngwa ngwa hydroxypropyl cellulose (HPMC), n'ihi na HPMC na-agbasasị naanị na mmiri, ọ naghị agbaze n'ezie.Mgbe ihe dị ka nkeji 2 gachara, viscosity nke mmiri mmiri ji nwayọọ nwayọọ na-abawanye, na-emepụta ngwọta viscous colloidal na-apụta ìhè kpamkpam.Ngwaahịa na-ekpo ọkụ na-agbaze, mgbe ekpughere ya na mmiri oyi, nwere ike gbasaa ngwa ngwa na mmiri esi mmiri ma pụọ ​​​​na mmiri esi.Mgbe okpomọkụ na-adaba na ụfọdụ okpomọkụ, viscosity na-apụta nwayọọ nwayọọ ruo mgbe a na-emepụta ihe ngwọta viscous colloidal na-apụtachaghị ìhè.Usoro akwadoro siri ike nke hydroxypropyl methylcellulose (HPMC) na gluu ihe owuwu bụ 2-4KG.

Hydroxypropyl methylcellulose (HPMC) nwere ihe anụ ahụ kwụsiri ike na nrapado ihe owuwu, ma nwee mmetụta dị mma nke iwepụ mildew na mgbochi mmiri, na mgbanwe na uru pH agaghị emetụta ya.Enwere ike iji viscosity n'etiti 100,000 s na 200,000 s.N'ichepụta ihe, ka viscosity dị elu, ka mma.Viscosity na-agbanwe agbanwe na ike mkpakọ.Nke dị elu nke viscosity, na-ebelata ike mkpakọ.N'ozuzu, viscosity nke 100,000 s kwesịrị ekwesị.

Gwakọta CMC na mmiri ma mee ntụ ọka apịtị maka ojiji emechaa.Mgbe ị na-etinye CMC tapawa, tinye ụfọdụ mmiri oyi na tank batching na igwe na-akpali akpali.Mgbe igwe na-akpali akpali malitere, nwayọọ nwayọọ na ọbụna fesa carboxymethyl cellulose n'ime batching tank, na-aga n'ihu na-akpali, nke mere na carboxymethyl cellulose na mmiri na-kpamkpam fused, na carboxymethyl cellulose na-agbaze kpamkpam.Mgbe a na-agbaze CMC, ọ na-adị mkpa ka a gbasaa nke ọma ma na-agwakọta ya n'ihu, iji mee ka ọ dị mma "na-egbochi nkwụsịtụ na mkparị nke CMC mgbe ọ na-ezute mmiri, ma belata nsogbu nke mgbasa CMC" ma mee ka ọnụego mgbasa nke CMC dịkwuo elu. .

Oge ngwakọta abụghị otu oge maka CMC ga-agbari kpamkpam.bụ 2 nkọwa.N'ikwu okwu n'ozuzu, oge ngwakọta ahụ dị mkpụmkpụ karịa oge CMC ga-agbaze kpamkpam, ọ dabere na nkọwa.Ihe ndabere maka ikpebi oge ngwakọta bụ na mgbe CMC na-agbasasị n'otu n'otu na mmiri na-enweghị ntụpọ doro anya, enwere ike ịkwụsị ngwakọta ahụ, ka CMC na mmiri wee banye n'ime ibe ha n'okpuru ọnọdụ data static.Enwere ọtụtụ ihe kpatara ikpebi oge achọrọ maka mgbasa nke CMC zuru oke:

(1) CMC na mmiri na-ejikọta kpamkpam, ọ dịghịkwa ihe nkewa nke mmiri siri ike n'etiti ha;

(2) Ihe nkedo a gwakọtara na-adaba nke ọma na nke nkịtị, nke nwere ala dị nro ma dị mma;

(3) Ngwakọta agwakọta enweghị agba ma bụrụ nke doro anya, ọ nweghịkwa ihe dị na tapawa ahụ.Ọ na-ewe awa 10 ruo 20 site na mgbe a na-etinye CMC n'ime tankị batching ma gwakọta ya na mmiri ruo mgbe agbazere kpamkpam.


Oge nzipu: Jan-13-2023
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