Hydroxypropyl Methyl Cellulose (HPMC) bụ kemịkalụ kemịkalụ multifunctional nke a na-ejikarị eme ihe n'ihe owuwu ụlọ, ọkachasị na mmepụta na itinye ntụ ntụ. Putty ntụ ntụ bụ ihe eji eme ihe maka ụlọ ọgwụgwọ elu. Isi ọrụ ya bụ iji mejupụta ihe na-adịghị mma nke mgbidi mgbidi ma nye akwa akwa akwa akwa na-edozi ahụ, nke na-enye ntọala dị mma maka usoro mkpuchi ma ọ bụ ihe ịchọ mma na-esote.
Njirimara ndị bụ isi nke HPMC
HPMC bụ cellulose ether na-abụghị ionic enwetara site na-agbanwe cellulose na kemịkal. Ọ nwere ezigbo mmiri solubility na enwere ike ịgbaze ngwa ngwa na mmiri oyi iji mepụta ngwọta colloidal transperent ma ọ bụ translucent. HPMC nwere hydroxyl na methyl dị iche iche n'ime ihe owuwu ya, yabụ na ọ nwere ezigbo ịgba, nkwusioru, mgbasa, emulsification, njikọ, nhazi ihe nkiri, yana ọrụ colloid na-echebe. Na mgbakwunye, ọ nwekwara ezigbo njigide mmiri na nkwụsi ike, ọ naghị emetụta ọnọdụ okpomọkụ na pH ngwa ngwa.
Ọrụ nke HPMC na putty
Thickener na suspending gị n'ụlọnga: HPMC nwere ike dịkwuo viscosity nke putty slurry, na-eme ka ọ dị mfe itinye na ịkpụzi n'oge ewu, na-egbochi sedimentation nke pigments na fillers n'oge nchekwa na ewu.
Onye na-ejigide mmiri: HPMC nwere ihe ndị na-ejigide mmiri dị mma, nke nwere ike ibelata mmiri na-efu n'oge a na-ewu ụlọ, gbasaa oge nke putty, ma hụ na ịdị n'otu na nkwụsi ike nke putty n'oge ihicha. Nke a nwere ike igbochi mbelata mgbawa na oyi akwa putty ma melite ogo ihe owuwu.
Mmetụta mmanye: HPMC nwere ike melite mmanu nke putty, na-eme ka ọ dị nro n'oge a na-ewu ụlọ, na-ebelata ihe isi ike ụlọ, na-ebelata ọrụ nke ndị na-arụ ọrụ, na imeziwanye arụmọrụ ọrụ.
Ihe nkedo: HPMC nwere ike ịkwalite ike njikọ dị n'etiti putty na mkpụrụ, na-eme ka oyi akwa nke putty na-ejikọta ya na mgbidi ahụ ma gbochie ya ịdapụ.
Ịmalite ịrụ ọrụ ihe owuwu: HPMC nwere ike imeziwanye arụmọrụ nke putty, na-eme ka ọ dịkwuo mfe ịgbasa ma dị nro mgbe ị na-etinye na nchacha, na-ebelata akara ihe owuwu, na-eme ka ọ dị nro na ịma mma nke mgbidi ahụ.
Otu esi eji HPMC
N'oge mmepụta nke putty, a na-agbakwunye HPMC na ngwakọta akọrọ n'ụdị ntụ ntụ. Ọnụ ego mgbakwunye dịgasị iche dabere na ụdị putty na arụmọrụ chọrọ. N'ikwu okwu n'ozuzu, a na-achịkwa ego HPMC na ihe dịka 0.2% ~ 0.5% nke ngụkọta ego nke putty. Iji hụ na HPMC nwere ike ịrụ ọrụ ya n'ụzọ zuru ezu, ọ na-adịkarị mkpa iji nwayọọ tinye ya n'oge usoro ịgwakọta ma mee ka ọ gwakọta ya nke ọma.
Uru na ọghọm dị na HPMC na putty
Uru:
Ezigbo nchekwa gburugburu ebe obibi: HPMC anaghị egbu egbu na enweghị mmerụ ahụ, enweghị ọla dị arọ na ihe ndị na-emerụ ahụ, na-emezu ihe ndị chọrọ nchekwa gburugburu ebe obibi, yana enyi na enyi na ndị ọrụ na-ewu ụlọ na gburugburu ebe obibi.
Ịrụ ọrụ kwụsiri ike: HPMC nwere ngbanwe siri ike maka mgbanwe na ọnọdụ gburugburu ebe obibi dị ka okpomọkụ na pH, arụmọrụ kwụsiri ike, ọ dịghịkwa mfe ịka njọ.
Wide applicability: HPMC adabara dị iche iche substrates na mkpuchi usoro, na ike izute dị iche iche ihe owuwu chọrọ.
Ihe ọghọm:
Ọnụ ego dị elu: Tụnyere ihe ọdịnala ndị ọzọ, HPMC nwere ọnụ ahịa dị elu, nke nwere ike ịbawanye ọnụ ahịa mmepụta nke ngwaahịa putty.
Na-emetụ n'ahụ maka ịdị mma mmiri: HPMC nwere ihe dị elu chọrọ maka ịdị mma mmiri, na ọdịiche dị na àgwà mmiri nwere ike imetụta ike ya na ịrụ ọrụ ya.
Ngwa nke HPMC na putty nwere uru dị ukwuu. Ọ bụghị naanị na ọ na-eme ka arụ ọrụ nke putty dịkwuo mma, kamakwa ọ na-eme ka ihe anụ ahụ na nke kemịkal nke putty dịkwuo mma. Ọ bụ ezie na ọnụ ahịa ya dị oke ọnụ, mmụba dị mma na ịdị mma ụlọ ọ na-eweta na-eme ka a na-eji ya eme ihe n'ọtụtụ ebe n'ọrụ ihe owuwu dị elu. Site na ọganihu na-aga n'ihu nke nkà na ụzụ ihe ụlọ, atụmanya ngwa nke HPMC na putty na ihe ụlọ ndị ọzọ ga-aba ụba.
Oge nzipu: Ọgọst-09-2024