I-hydroxypropyl methylcellulose yamakhemikhali yansuku zonke iyi-polymer yokwenziwa eyenziwe ngama-linters ekotini e-cellulose yemvelo ngokuguqulwa kwe-etherification. I-Cellulose ether iyi-derivative ye-cellulose yemvelo. Ukukhiqizwa kwe-cellulose ether kuhlukile kuma-polymer okwenziwa. Izinto zayo eziyisisekelo yi-cellulose, i-polymer compound yemvelo. Ngenxa yokwakheka kwe-cellulose yemvelo, i-cellulose ngokwayo ayinawo amandla okusabela nama-etherification agents. Kodwa-ke, ngemva kokwelashwa kwe-ejenti yokuvuvukala, izibopho ezinamandla ze-hydrogen phakathi kwamaketanga e-molecule namaketanga ziyabhujiswa, futhi ukukhululwa okusebenzayo kweqembu le-hydroxyl kuba yi-reactive alkali cellulose. Thola i-cellulose ether.
I-hydroxypropyl methylcellulose yezinga lamakhemikhali lansuku zonke iyimpuphu emhlophe noma ephuzi kancane, futhi ayinaphunga, ayinambitheki futhi ayinabo ubuthi. Isinyibilikisi esingasakazwa ngokushesha emanzini abandayo futhi sixutshwe nezinto eziphilayo, futhi sifinyelele ukuqina okuphezulu ngemizuzu embalwa ukuze sakhe isisombululo esibonakalayo esiqinile. Uketshezi lwamanzi lunomsebenzi wobuso, ukukhanya okuphezulu, ukuzinza okuqinile, futhi aluthintwa yi-pH uma luncibilikiswa emanzini. Lunemiphumela yokujiya kanye neyokuvimbela ukubanda kuma-shampoo nama-shower gels, futhi lugcina amanzi kanye nezakhiwo ezinhle zokwakha ifilimu yezinwele nesikhumba. Ngokukhuphuka okukhulu kwezinto eziyisisekelo zokusetshenziswa, i-cellulose (i-antifreeze thickener) esetshenziswa ekuhlanzeni izingubo, i-shampoo, i-shower gel inganciphisa kakhulu izindleko futhi ifinyelele umphumela oyifunayo.
Izici kanye nezinzuzo zamanzi abandayo ansuku zonke e-HPMC:
1. Ukucasuka okuphansi, izinga lokushisa eliphezulu futhi akunabo ubuthi;
2. Ukuqina kwenani le-pH ebanzi, okungaqinisekisa ukuqina kwayo ebangeni lenani le-pH 3-11;
3. Thuthukisa ukuzilolonga;
4. Khulisa igwebu, uqinise igwebu, uthuthukise umuzwa wesikhumba;
5. Thuthukisa ngempumelelo ukugeleza kohlelo.
6. Kulula ukuyisebenzisa, faka emanzini abandayo ukuze usakazeke ngokushesha ngaphandle kokuqhekeka
Ububanzi bokusetshenziswa kwe-HPMC ye-cellulose yamakhemikhali yansuku zonke:
Isetshenziswa ekuhlanzeni izingubo, ekuhlanzeni i-shampoo, ekuhlanzeni umzimba, ekuhlanzeni ubuso, eloshini, ekhilimu, ejelini, e-toner, e-conditioner, emikhiqizweni yokwenza isitayela, e-toothpaste, e-mouthwash, emanzini anamabhamuza ethoyizi.
Indima ye-HPMC ye-cellulose yamakhemikhali yansuku zonke:
Ekusetshenzisweni kwezimonyo, isetshenziswa kakhulu ekuqiniseni, ekugqwaleni, ekuhlanganiseni okuzinzile, ekusakazeni, ekunamatheleni, ekuthuthukisweni kwezakhiwo zokwakha ifilimu kanye nokugcina amanzi zezimonyo, imikhiqizo ene-viscosity ephezulu isetshenziselwa ukuqina, imikhiqizo ene-viscosity ephansi isetshenziswa kakhulu ekusakazeni ukumiswa kanye nokwenza ifilimu.
Ubuchwepheshe be-HPMC be-cellulose yamakhemikhali yansuku zonke:
I-viscosity ye-hydroxypropyl methyl fiber efanelekela imboni yamakhemikhali yansuku zonke ingama-100,000, 150,000, kanye nama-200,000. Ngokuvamile, i-viscosity ephezulu isetshenziswa kakhulu, futhi umphumela wokujiya ungcono kakhulu. Ngokwefomula yakho, inani lokwengeza kumkhiqizo ngokuvamile liyi-1,000. Izingxenye ezi-2 kuya kwezi-4 ngenkulungwane.
Izinyathelo zokuzivikela
I-hydroxypropyl methylcellulose yamakhemikhali yansuku zonke engafaneleki ibonisa ukucaca okubi, umphumela omubi wokujiya, ukuncipha ngemva kokugcinwa isikhathi eside, kanti ezinye izingxenye zingase zibe nesikhunta. Ukuze kugwenywe ukuna kwe-cellulose ngesikhathi sokusetshenziswa, kufanele ivuselelwe ngaphambi kokuba kuvele ukuqina.
Isikhathi sokuthunyelwe: Ephreli-14-2023