Hydroxypropyl MethylCellulose e sebelisoa ho PVC
Hydroxypropyl Methylcellulose (HPMC) e fumana ts'ebeliso e fapaneng tlhahisong le ts'ebetsong ea polyvinyl chloride (PVC) polymers. Mona ke tse ling tsa lits'ebetso tse tloaelehileng tsa HPMC ho PVC:
- Thuso ea Ts'ebetso: HPMC e sebelisoa e le thuso ea ho sebetsa ha ho etsoa metsoako le lihlahisoa tsa PVC. E ntlafatsa thepa ea phallo ea liforomo tsa PVC nakong ea ts'ebetso, e nolofatsa mokhoa oa extrusion, oa ho bopa le oa ho bopa. HPMC e fokotsa likhohlano lipakeng tsa likaroloana tsa PVC, e matlafatsa ts'ebetso le ho fokotsa tšebeliso ea matla.
- Impact Modifier: Meetsong ea PVC, HPMC e ka sebetsa joalo ka phetoho ea tšusumetso, ea ntlafatsa ho tiea le ho hanyetsa ha lihlahisoa tsa PVC. E thusa ho eketsa ductility le fracture toughness ea metsoako ea PVC, ho fokotsa menyetla ea ho hlōleha ha brittle le ho ntlafatsa ts'ebetso ea sehlahisoa lits'ebetsong moo ho hanyetsa matla ho leng bohlokoa.
- Stabilizer: HPMC e ka sebetsa e le stabilizer mefuteng ea PVC, e thusang ho thibela ho senyeha ha polymer nakong ea ho sebetsa le ho sebelisoa. E ka thibela ho senyeha ha mocheso, ho senyeha ha UV, le ho senyeha ha oxidative ea PVC, ho lelefatsa bophelo ba tšebeletso le ho tšoarella ha lihlahisoa tsa PVC tse pepesehileng maemo a thata a tikoloho.
- Binder: HPMC e sebelisoa e le tlamahano ho lirafshoa tse thehiloeng ho PVC, likhomaretsi le li-sealants. E thusa ho ntlafatsa ho khomarela liphahlo tsa PVC ho li-substrates, ho fana ka tlamo e matla le e tšoarellang. HPMC e boetse e ntlafatsa momahano le thepa ea ho etsa filimi ea li-adhesives le li-sealants tse thehiloeng ho PVC, ho ntlafatsa ts'ebetso ea tsona le ho tšoarella nako e telele.
- Moemeli oa Tšebelisano: HPMC e sebetsa e le moemeli oa ts'ebelisano mefuteng ea PVC, e khothalletsang ho hasana le ho lumellana ha li-additives, li-filler le li-pigments. E thusa ho thibela agglomeration le ho lokisa li-additives, ho netefatsa kabo e tšoanang ho pholletsa le matrix a PVC. HPMC e boetse e ntlafatsa homogeneity le ho tsitsa ha metsoako ea PVC, e hlahisang lihlahisoa tse nang le thepa le ts'ebetso e tsitsitseng.
- Viscosity Modifier: Ts'ebetsong ea PVC, HPMC e ka sebelisoa e le mofetoleli oa viscosity ho lokisa viscosity le thepa ea rheological ea libopeho tsa PVC. E thusa ho laola boitšoaro ba phallo le litšobotsi tsa ts'ebetso ea metsoako ea PVC, ho ntlafatsa taolo ea ts'ebetso le boleng ba sehlahisoa.
Hydroxypropyl Methylcellulose (HPMC) e na le karolo ea bohlokoa tlhahisong, ts'ebetsong le ts'ebetsong ea lipolymer le lihlahisoa tsa PVC. Ho feto-fetoha ha eona le thepa ea eona e molemo ho e etsa hore e sebelisoe haholo lits'ebetsong tse fapaneng tsa PVC, e thusa ho ntlafatsa ts'ebetso, ts'ebetso le ho tšoarella.
Nako ea poso: Feb-11-2024