I-Hydroxypropyl methylcellulose (i-HPMC ngamafuphi) iyi-ether exubile ebalulekile, eyi-polymer engeyona i-ionic encibilikayo emanzini, futhi isetshenziswa kabanzi ekudleni, kwezokwelapha, embonini yamakhemikhali yansuku zonke, ekumbozeni, ekusabeleni kwe-polymerization kanye nasekwakheni njengokumiswa kokusabalala, ukuqina, ukuhlanganisa, ukuzinza kanye nokunamathela, njll., futhi kukhona igebe elikhulu emakethe yasekhaya.
I-Hydroxypropyl methylcellulose isetshenziswa kabanzi embonini yokwakha njenge-ejenti yokwakha ifilimu, i-binder, i-dispersant, i-stabilizer, i-thickener, i-water promoter, njll., futhi isibe umkhiqizo odumile odonse ukunaka selokhu yethulwa kulayini.
I-Hydroxypropylmethylcellulose
Igama eligcwele lesiNgisi: Hydroxypropyl Methyl Cellulose Isifinyezo sesiNgisi: HPMC
Ngenxa yokuthi i-HPMC inezakhiwo ezinhle kakhulu njengokuqina, i-emulsification, ukwakheka kwefilimu, i-colloid evikelayo, ukugcinwa komswakama, ukunamathela, ukumelana nama-enzyme kanye nokungangeni kahle kwe-metabolic, isetshenziswa kabanzi ekumbozeni, ekuphenduleni kwe-polymerization, ezintweni zokwakha, ekukhiqizweni kwamafutha, ezindwangu, ekudleni, emithini, ezintweni zobumba ezisetshenziswa nsuku zonke, kumadivayisi kagesi kanye nembewu yezolimo kanye neminye iminyango.
izinto zokwakha
Ezintweni zokwakha, i-HPMC noma i-MC ivame ukungezwa kusimende, udoti, kanye nodoti ukuze kuthuthukiswe izakhiwo kanye nezakhiwo zokugcina amanzi.
Ingasetshenziswa njenge:
1). I-Adhesive kanye ne-caulking agent ye-adhesive tape esekelwe ku-gypsum;
2). Ukuhlanganiswa kwezitini, amathayili kanye nezisekelo ezisekelwe kusimende;
3). I-stucco esekelwe kwi-plasterboard;
4). Iplasta yesakhiwo esekelwe kusimende;
5). Efomini yokususa upende nopende.
I-Adhesive yamathayili e-ceramic
Izingxenye ze-HPMC 15.3
Izingxenye ze-Perlite ezingu-19.1
Ama-amide anamafutha kanye nama-cyclic thio compounds angu-2.0 izingxenye
Ubumba izingxenye ezingu-95.4
Izinongo ze-Silica (22μ) izingxenye ezingu-420
Izingxenye zamanzi ezingu-450.4
Isetshenziswa kusimende ohlanganiswe nezitini ezingaphili, amathayili, amatshe noma usimende:
I-HPMC (izinga lokusabalala 1.3) izingxenye ezingu-0.3
I-Cattelan samente izingxenye eziyi-100
Isihlabathi se-silica izingxenye ezingu-50
Izingxenye ezingama-50 zamanzi
Isetshenziswa njengesengezo sezinto zokwakha zesamente esinamandla amakhulu:
I-Cattelan samente izingxenye eziyi-100
Izingxenye ezi-5 ze-asbestos
Ukulungiswa kotshwala be-polyvinyl ingxenye eyodwa
I-calcium silicate izingxenye ezingu-15
Ubumba izingxenye ezingu-0.5
Izingxenye ezingu-32 zamanzi
Izingxenye ze-HPMC 0.8
Imboni yokupenda
Embonini yokupenda, i-HPMC isetshenziswa kakhulu kupende we-latex kanye nezingxenye zopende we-resin oncibilika emanzini njenge-ejenti eyakha ifilimu, i-thickener, i-emulsifier kanye ne-stabilizer.
Ukumiswa kwe-polymerization ye-PVC
Insimu esetshenziswa kakhulu imikhiqizo ye-HPMC ezweni lakithi yi-suspension polymerization ye-vinyl chloride. Eku-suspension polymerization ye-vinyl chloride, uhlelo lokusabalala luthinta ngqo ikhwalithi ye-resin ye-PVC yomkhiqizo kanye nokucutshungulwa kwayo kanye nemikhiqizo; ingathuthukisa ukuzinza kokushisa kwe-resin futhi ilawule ukusatshalaliswa kosayizi wezinhlayiya (okungukuthi, ukulungisa ubuningi be-PVC). Inani le-HPMC libalelwa ku-0.025% ~ 0.03 womkhiqizo we-PVC%.
I-resin ye-PVC elungiselelwe yi-HPMC esezingeni eliphezulu, ngaphezu kokuqinisekisa ukuthi ukusebenza kwayo kuhlangabezana nezindinganiso zikazwelonke, inezici ezinhle zomzimba, izici ezinhle kakhulu zezinhlayiya kanye nokuziphatha okuhle kakhulu kwe-rheological okuncibilikisiwe.
eminye imboni
Eminye imboni ihlanganisa kakhulu izimonyo, ukukhiqizwa kwamafutha, insipho, izinto zobumba zasekhaya kanye neminye imboni.
okuncibilikayo emanzini
I-HPMC ingenye yama-polymer ancibilika emanzini, futhi ukuncibilika kwayo emanzini kuhlobene nokuqukethwe kweqembu le-methoxyl. Uma okuqukethwe kweqembu le-methoxyl kuphansi, ingancibilika kuma-alkali aqinile futhi ayinayo indawo yokugaya ye-thermodynamic. Njengoba okuqukethwe kwe-methoxyl kwanda, izwa kakhulu ekuvuvukeni kwamanzi futhi incibilika kuma-alkali ancibilikile kanye nama-alkali abuthakathaka. Uma okuqukethwe kwe-methoxyl kungu->38C, ingancibilika emanzini, futhi ingancibilika kuma-hydrocarbon a-halogenated. Uma i-asidi ye-periodic ingezwa ku-HPMC, i-HPMC izosakazeka ngokushesha emanzini ngaphandle kokukhiqiza izinto zokubopha ezingancibiliki. Lokhu kungenxa yokuthi i-asidi ye-periodic inamaqembu e-dihydroxyl endaweni ye-ortho ku-glycogen ehlakazekile.
Isikhathi sokuthunyelwe: Meyi-30-2023