Hydroxypyl Methyl Cellulose Hpmc bụ ihe na-abụghị nke ionic agwakọta ke methylythyl cellulose agwakọta ether, ọ naghị emeghachi omume na ọla dị arọ. Otu radions oxygy n'ihi na ihe dị iche iche na-eme ihe na-eme na ọdịiche dị na Methylyl, arụmọrụ ya dị nso na methyl celluse na ala methoxyl Ọdịnaya na nnukwu ọdịnaya nke ụdị hydroxypyl, na arụmọrụ dị nso na hydropyyl methyl cellose ka emepụtara. Ma n'ụzọ ọ bụla, ọ bụ ezie na naanị nwere obere ego nke methilowyl ma ọ bụ obere methoxy, solublity dị na solucul ma ọ bụ nnukwu ọnọdụ.
1, Hydroxyppppppyl Methyl Cellulose solublity
Gydypyppyl Methyl Cellulose na mmiri na-esochi Methypropyy na methyyl oxidene, yabụ, ọ ka nwere ụdị mkpụrụ osisi methy na-agbanye mmiri. Agbanyeghị, ọnọdụ okpomoku nke mkpụrụ osisi hydroxy dị elu karịa nke Methyl Cellulose na mmiri ọkụ. Iji maa atụ, viscosity hydroxypylthyl na 2% Methoxy ọdịnaya DS = 0.43 na ọdịnaya hydroxyl MS = 0.46 bụ 500 MPA na 20 ℃. The gel nke ngwaahịa a dị nso na 100 ℃, ebe nke Methyl cellulose nke otu okpomọkụ bụ naanị ihe dịka 55 ℃. Banyere ngbasa ya na mmiri, nke ukwuu, dịka ihe atụ nke hydypylthylthylthylthylthyl na-agbanwe agbanwe na mmiri na-enweghị okpomọkụ .
(2) hydypylthylthyl cellulose na organic solubyl methyppyl methylpyl ogo methyl, ma nwee hydropose dị na Metyl Cellusation nke Metyl Celly 81 ma ọ bụ karịa, 1.5 ~ 1.8 na methoxy DS = 0.0, viscosity viscsyl Methyl Methyl Cellulose na ngụkọta ngụkọta dị n'elu 1.8 bụ soluble na methanol methanol na ngwọta ethanol, ma nwee akụkụ mmiri ikuku na mmiri. Ọ dịkwa mma na chlorinarbons ndị dị ka Dichloromethane na Trichloromethane, na soorone na-eme ka acketone, mmanya na-aba n'anya, na mmanya na-aba n'anya. Ekwentị ya na ihe mgbazinye ahịhịa dị elu karịa ka mmiri ga-aga.
2, Hydroxypppyl Methyl Cellulose na-emetụta ihe ndị na-emetụta
Ihe hydroxypyl methylcellose viscosisers hydroxylthyl Methylclopse Station, na ndị ọzọ celllose ether bụ otu ihe ahụ, dị na 2%, na-enwe 2% a na 2% mkpebi dị ka ọkọlọtọ. Viccosity nke otu ngwaahịa ahụ, na mmụba nke ịta na mmụba, otu itinye uche nke ngwaahịa dị arọ, oke molecular nke ngwaahịa dị elu. Mmekọrịta ya na ọnọdụ okpomọkụ yiri nke Methy Cellulose. Mgbe ọnọdụ okpomọkụ ahụ na-ebili, viscosite malitere iju, mana mgbe ọ ruru ụfọdụ okpomọkụ, viscosity na mberede na mberede. Ọnọdụ okpomoku nke ngwaahịa na obere viscosity dị elu karịa nke ngwaahịa nwere ụdị vissiosity. Ogo nke gel ya, na mgbakwunye na vissity dị elu ma dị ala nke ether, kamakwa ya na mettoxy na hydroxypyl otu mejupụtara na ogo nke dochie anya. Ekwesịrị ịchọpụta na hydropyythylthylthylcelllose bụkwa pseudoplolastic; Ngwọta ya kwụsiri ike mgbe echekwara ya na ụlọ okpomọkụ ma ghara igosi mmebi nke viocosisoo ma ọ bụrụ na ọ nwere ike imebi emebi emebi.
3, Hydroxyppppppyl Methyl Cellulose acid na alkaline iguzogide
Acidypypypypypyl Methylcellose acid Methylclopse, n'ozuzu ya, o nwere ike iguzogide ụfọdụ acid acid, actic acid, phosphic Acid, bocid acid, wdg mana acid acid na-enwe mmetụta nke ibelata viscosity. Alkali dị ka Cuustic soday na mmiri mmiri enweghị mmetụta ọ bụla na ya, ma mmetụta nke ịbawanye ọhụụ n'ọdịnihu.
4, Hydroxyppppyl Methyl cellulose nwere ike ịgwakọta
Enwere ike ịgwakọta ya na mmiri polulose nke polligul, ma ghọọ ụzọ mgbanwe dị na ọkwa dị elu na viscosity dị elu. Ngwakọta molecular ndị a bụ polyethylene glycol, polyvinyl acetate, polynicicone viotose na hydy arabic, with aabic, igurube osisi na ya nwekwara ezigbo ngwakọta na ya Ngwọta. A ga-agwakọta hydroxyl methyl cellulose nwekwara ike ịgwakọta ya na static acid ma ọ bụ palibic mannitol, sorbil na mannitol dị ka hydroxylthyl methyl cellulose plastize.
5, Hydroxypyl Methyl Cellulose insocuble mmiri soluble
Hydroxypylthyl methyl cellulose na-egbochi mmiri - soluble cellulose eather, nwere ike ijikọ elu na Aldehydes, ma na-agbanye mmiri na mmiri. Ma mee ka hydypypyl methylcellose acdehyde, glyoxal, sugaldehyde kwesịrị ịnara uru pụrụ iche na Gallexal dị ka obe -achọ onye na-ahụ maka. Ngụkọta nke ụdị Crosslinking a bụ 0.2% nke Ether uka, nke kachasị mma bụ 7%, dị ka ojiji nke Gytoxal na 3.3% bụ nke dabara adaba. Okpomoku ohuru ohuru bu 0 ~ 30 ℃, oge bu 1 ~ 120min. Mmeghachi omume na-edozi ahụ chọrọ ka a rụọ ọrụ n'okpuru ọnọdụ acidic. N'ozuzu, inorganic siri ike ma ọ bụ akụrụngwa na-agbakwunye ihe ngwọta nke ihe ngwọta nke ihe dị ka 2 ~ 6, ma mgbe ahụ, a ga-agbakwunye Aldehydes maka mmeghachi omume na-edozi. Acids eji acid acid, sulfuric acid, phosphoric acid, actic acid ma ọ bụ acid acid ma ọ bụ acid acid kacha mma, ebe acid acid kacha mma. Enwere ike ịgbakwunye acid na Aldehydes n'otu oge iji mee ka ihe ngwọta nke a ga-ejikọ na plọg pch chọrọ. A na-ejikarị mmeghachi omume a na usoro nkwadebe nke mkpụrụ osisi cellulose usoro, yabụ na celhulose ehuru anaghị agbaze, mfe iji 20 ~ 25 ℃ mmiri iji saa. Mgbe eji ngwaahịa a, a pụrụ ịgbakwunye olulu mmiri na ihe ngwọta nke ngwaahịa a iji dozie pH nke ihe ngwọta ịbụ alkaline, ma ngwaahịa a gbazere na ngwọta ya. Enwere ike iji ụdị a mee ihe mgbe a ga-eji ihe nkiri Ether mee ihe iji mee ihe nkiri ma mesoo ihe nkiri ahụ iji mee ihe nkiri zoro ezo.
6, Hydroxyppppppyl Methth Cellilose Anti-enzyme
Ndị otu Hydroxypyl Methyl Cellulose enzyme iguzogide ndị otu Cellulose na-ebute ọrịa, mana n'ezie ngwaahịa emechara iji dochie uru karịa 1, Nkọwapụta Enzyme, nke a bụ nkọwa nke ndị otu ọ bụla na Cellulose Chaint bụ otu dị nso na-anọghị nso na ndị otu glucose na-adị nso na-etolite shuga, nke enwere ike itinye ya na microorganisms dị ka nri. Ya mere, ọ bụrụ na usoro nke elu sellulose na-abawanye, nguzogide nke cellulose ether ka a ga-eme ka ajọ mbuze. A na-akọ na n'okpuru ọnọdụ ndị a na-achịkwa, viscosity nke hydroxypyl methyl cellulose (ds = 1.66), na hswyth cellulose (1.7%) bụ 13.2%, 7.2% , 3.8%, na 1.7%, n'otu n'otu. Hydroxypppylththl methyl cellulose nwere ikike enzyme. Ya mere hydropyylthylthylthyl methylculose ezigbo mma, jikọtara ya na ezigbo mgbasa, etinyere na ihe nkiri, wdg, n'ozuzu ekwesighi ịgbakwunye nchekwa. Agbanyeghị, iji gbochie nchekwa nke oge ogologo ma ọ bụ mmerụ ahụ sitere na mpụga ụwa, enwere ike ịgbakwunye, enwere ike ịgbakwunye, enwere ike kpebie ihe ngwọta nke ikpeazụ. Phenlmeric acetate na nke manganese na-eme ihe nchekwa dị mma, mana ha na-egbu egbu, a ga-eji nlezianya rụọ ọrụ. Ohaneze, 1 ~ 5MG phenylmeric acetate nwere ike ịgbakwunye na liter nke ọ bụla.
7, Hydroxyppypyl Methyl Cellulose arụmọrụ
Hydroxypyl Methyl Cellulose arụmọrụ nke hydropyythyl cellulose nwere ihe ngwọta ya, kpuchie ya na iko, mgbe ihicha na-enweghị agba, transporcent na fim siri ike. O nwere ezigbo nguzogide mmiri ma na-eguzosi ike na okpomọkụ okpomọkụ. Dịka mgbakwunye na hygroscopic fọdụrụ, nwere ike ịkwalite ogo ya, iji meziwanye mgbanwe, glycerol na curbinlol na fọdụrụ plastiner bụ ihe dabara adaba. Ngwọta Ngwọta General bụ 2% ~ 3%, usoro ọgwụgwọ plastik bụ 10% ~ 20% nke cellulose ether. Ọ bụrụ na ọdịnaya nke plastizer na-ewu ewu, ihe ndị na-adịghị mma nke colloid mmiri nwere ike ime na iru mmiri dị elu. Ike Tensile nke fim ahụ na-agbakwunye fọdụrụ na-agbakwunye, ma na-abawanye site na mmụba nke ihe nkiri a na-abawanye na mmụba nke oke plastizer.
Oge Post: Sepp-08-2022