Hydroxypylthththththylcelllosebụ ihe na-eme na-eme na-eme ether, nke na-adịghị emerụ ahụ mmadụ. Agbanyeghị, akụrụngwa nke liter owu na hpmc ji rụọ ọrụ dị iche iche na-eche ihu, n'ihi na nke a ga-enwekwa ájá, ndị ọzọ adịghị emerụ ahụ.
Hydroxypylthththththth methylcellose abụghị ihe na-enweghị nsi. A na-ahụta sellose dị mma ma hazie ya site na iji eriri na-eme ngwa ngwa, mmeghachi omume, ịsacha, na-ata ya na usoro ndị ọzọ. Agaghị etinye ahụike ndị mmadụ n'ihe ize ndụ.
A na-eme hydropyylthyl methyl Cellulose, nke a makwaara dị ka hydropose na celdy owu na-adị ọcha ma na-enwe ogo pụrụ iche na ọnọdụ alkaline.
Njikọ nke Hydroxypylthylthylthyl cellylculose na-agwọ ya na 35-40 ℃ maka ọkara otu awa, na-eme ihe na-egbu egbu na 35 ℃ iji mee ka eriri alkali nwetaghị. N'ime nso a chọrọ. Tinye eriri alkali n'ime ya ketlet apetle, tinye propylene oxide na methyl chloride na usoro, yana otheraf na 50h, nrụgide dị ihe dị ka 1.8Ma. Mgbe ahụ, tinye ego kwesiri ekwesi na acid acid iji saa ihe ndị dị na mmiri ọkụ na 90 Celsius iji bulie ogo na olu. Mmiri na -eche. Ilù na-anọpụ iche. Mgbe ọdịnaya mmiri na ihe na-erughị 60%, kpoo ya na iyi ikuku ọkụ na 130 Celsius C ruo ihe na-erughị 5%.
HPMC usoro nke usoro ihe mgbatị ahụ na-eji toluene na Isroprooplol dị ka ihe mgbaze. Ọ bụrụ na ọ saa ya nke ukwuu, ọ ga-enwe obere ihe ndozi. Nke a bụ nsogbu nke usoro ịsa ahụ, nke na-adịghị emetụta iji ma ọ bụ nsogbu ọ bụla.
Hypromellose bụ owu nke na-ajụkarị mmiri na-adịkarịghị mma, ma na-ekere òkè na mmeghachi omume, ma na-asachapụ, kpọnwụọ, ma gwepịa ya iji nweta ngwaahịa emechara. Dị oke njọ ma na-atọ ụtọ, yabụ ndị ọrụ nwere ike iji ya ọnọdụ kwụ chịm.
Hydroxypylthyth methylcellose kwesịrị ị toa ntị na ihe ndị a na ngwa:
Na nsonaazụ nke apịtị ntụ ntụ, hydroxypylthylthylcelllose naanị na-arụ ọrụ na-akwado, na esonyeghị mmeghachi omume kemịkal ọ bụla. A na-agbakwunye ntụ ntụ na mmiri ma tinye na mgbidi, nke bụ mmeghachi omume kemịkalụ. N'ihi ihe ọhụrụ, ntụ ntụ a na-eji ntụ ntụ na mgbidi ahụ na-ewepụ ya na mgbidi ma banye na ntụ maka ịmalite ihe ọhụrụ. Hydroxypyl Methylcellose naanị na-ejigide mmiri ma na-enyere aka na agba ntụ iji nwee mmeghachi omume ka mma, mana ọ naghị arụ ọrụ ọ bụla.
Hydroxypyl Methyl Cellulose Hpmc anaghị esonye na mmeghachi kemịkal ọ bụla, mana ọ bụ naanị na-enyere aka. Tinye mmiri na ntụ ntụ ntụ ma tinye ya na mgbidi, ọ bụ mmeghachi ahụ kemịkal. N'ihi ihe ọhụụ, a na-ewepụ apịtị dị na mgbidi ahụ na mgbidi ahụ wee banye ntụ, ma ọ gaghị ekwe omume, n'ihi na e mekwara ihe ọhụrụ. Isi ihe ndị a na-acha ntụ ọka calcium bụ: ca (oh) 2, ngwakọta cao na obere ego CACO3, cao
H2o = ca (oh) 2-ca (oh) 2 co2 = Caco3 ↓ h2o
Gravise na-emepụta ihe ndị ọzọ n'okpuru nsonaazụ mmiri na CO2 na ikuku, ebe HPMC naanị na-ejigide mmiri ma na-enyere aka na nzaghachi ka mma. Ọ naghị eso na nzaghachi ọ bụla.
Hydroxypppylthylthth methyl cellulose nwere otutu ojiji. Na ndụ kwa ụbọchị, ọtụtụ ngwaahịa na-enweghị atụ site na usoro nrụpụta. Mgbe ahụ, na ụlọ ọrụ dị iche iche, kedu ihe ọ ga-eme bụ hydropyyllylllll, m ga - egbochi gị, ka ị wee gbochie iji ya eme ihe mgbe ị na - enweta ihe ọmụma.
Nke mbu, na ulo oru ihe owuwu, enwere ike ileta ya dika onye na - echeghari na ebe a na - edebe ihe. Mgbakwunye ngwa agha a na-esi ísì ụtọ, yabụ ngwa agha a kpọrọ nkụ, anyị na-eji ike ya. Na mgbakwunye, na ihe ndị a na-ewu ewu dị ka raw gypsum, plasta, na apịtị ntụ, nke ọ bụghị naanị ịgbatị oge ọrụ, kamakwa ọ na-eme ka agba ahụ maa jijiji. Na mabul, taịlị nke ceramiiki, enwere ike iji ihe ndozi ígwè, enwere ike iji ya mee ka adhesion enhancer, wdg. Ọ bụrụ na a ma ama maka oke ya na ihe owuwu ya.
N'ime ụlọ ọrụ ndị ọzọ, dị ka poselin na ngwongwo na-emepụta ihe, enwere ike iji ya mee ihe dị ka nrapado maka nrụpụta nke poselin na ite ngwaahịa; Na Licallọ ọrụ na-ahụ maka Licquer na akwụkwọ ink, a ga-eji ya dị ka ntụ ntụ, sie ike, sie ike, na mmiri ga-eji ya mee ihe dị ka mkpụrụ osisi na-emepụta ihe , yana ndị na-eme ka ọfụma, a ga-akpọ ndị ọrụ, lubricants, wdg.; Na nrụpụta nke polyvinyl chloride, a na-ewere ya dị ka ntụ ntụ.
A na-eji hydypypylthylthylthylthylthyl methylcelllose ebe niile na-adị ọcha nke mkpụrụ osisi na akwụkwọ nri, ọgwụ, skins anụmanụ na ụlọ ọrụ dị mma. Ọ bụ ihe na-adịghị mma ma na-enweghị ihe na-egbu egbu, na-enweghị iwe iwe na akpụkpọ ahụ mucous na skins, ma enwere ike iji ya mee ihe dị ka nri nri. Agbanyeghị, n'ọnọdụ ahụ ya nwere ike ibute mmetọ ikuku, ọ naghịkwa uru na-arụpụta akpụkpọ ahụ iji zere ya ọkụ.
Njide mmiri
Ihe atụ pụrụ iche hydyplopyl methylcellose maka ebe a na-egbochi oke mmiri site na mkpụrụ, na mmiri ahụ kwesịrị idobe akwa ahụ ka o kwere mee. A na-akpọ ihe onwunwe a pụrụ iche na-egbochi mmiri na viscosity nke viscypylthyl ugwọ ojiji eji arụ ọrụ. Ihe dị elu ngwọta nke viscosity, ahụmahụ mmiri ahụ dị elu.
Na-emegide
Enwere ike iji ya na ihe ndị pụrụ iche nke mgbochi na-adọka nwere oke mkpuchi na-enweghị isi, nke a ga-agbanwe na okike ya, ma ọ bụghị ya ga-amada mgbe owuwu a na-ewuli ya.
Belata viscosity ma na-arụ ọrụ
Mgbe ị na-etinye ngwa ahịa owuwu dị iche iche hydylypyl Methylcellose, gypsum plasta nwere ike imepụta ụdị nnwere onwe dị nro. A na-eji ya dị mma ma nwee ọkwa viscositty hydypropyl methylcelllilose, a na-ejikwa viscylilose na-ebelata ma na-adị mfe. Agbanyeghị, njigide mmiri nke hydropyylthylthyl Methylallose maka owuwu nke na-adịghị ike, ọ dị mkpa iji bulie ego nke mgbakwunye.
Glattization Pompatibilization ọnụego
Maka ego akọrọ, ọ ka akụ na ụba iji mepụta nha agha mmiri dị elu, nke enwere ike iru site na ịgbakwunye obere mmiri na egosipụta. Agbanyeghị, ọ bụrụ na oke mmiri na egosipụta dị ogologo, ike adịghị ike.
Post Oge: APR-26-2024