Kaha thepa ea hydroxypropyl methylcellulose e tšoana le li-ethers tse ling tse qhibilihang ka metsing, e ka sebelisoa ka liphahlo tsa emulsion le likarolo tsa ho roala ha resin e qhibilihang ka metsi e le moemeli oa ho etsa filimi, thickener, emulsifier le stabilizer, joalo-joalo, e fanang ka filimi ea ho roala. khanyetso e ntle ea abrasion. Ho roala ka homogeneous le ho khomarela, le tsitsipano e ntlafetseng ea holim'a metsi, botsitso ho li-acids le metheo, le ho lumellana le li-pigments tsa tšepe.
Kaha HPMC e na le ntlha e phahameng ea gel ho feta MC, e boetse e hanyetsana le tlhaselo ea baktheria ho feta li-cellulose ethers tse ling, 'me kahoo e ka sebelisoa e le ntho e teteaneng bakeng sa liphahlo tsa emulsion tse nang le metsi. HPMC e na le botsitso bo botle ba polokelo ea viscosity le dispersibility ea eona e ntle haholo, ka hona HPMC e loketse ka ho khetheha e le dispersant ka lijalo tsa emulsion.
Tšebeliso ea hydroxypropyl methyl cellulose indastering ea ho roala ke ka tsela e latelang.
1.various viscosity HPMC tlhophiso pente apara ho hanyetsa, mocheso phahameng ho hanyetsa, anti-baktheria tlhaloso, ho hlatsoa ho hanyetsa le botsitso ho acid le metheo e molemo; e ka boela ea sebelisoa e le seaparo sa pente se nang le methanol, ethanol, propanol, joala ea isopropyl, ethylene glycol, acetone, methyl ethyl ketone kapa diketone alcohol thickener; Liaparo tse entsoeng ka emulsified tsa HPMC li na le abrasion e ntle haholo ea metsi; HPMC ho feta HEC le EHEC le CMC joalo ka HPMC e na le phello e betere ho feta HEC le EHEC le CMC joalo ka motenya oa pente.
2. Hydroxypropyl methyl cellulose e nkeloang sebaka ka ho fetisisa e na le khanyetso e ntle ea ho hlaseloa ke baktheria ho feta sebaka se tlaase, 'me e na le botsitso bo betere ba viscosity ho polyvinyl acetate thickeners. Li-ether tse ling tsa cellulose li bolokiloe ka lebaka la ho senyeha ha ketane ea cellulose ether le ho etsa hore viscosity ea ho roala e fokotsehe.
3.paint stripper e ka ba HPMC e qhibilihang ka metsi (moo methoxy e leng 28% ho isa ho 32%, hydroxypropoxy ke 7% ho 12%), dioxymethane, toluene, parafine, ethanol, methanol configuration, e tla sebelisoa holimo holimo, ka viscosity e hlokahalang le volatility. Sesepa sena sa pente se tlosa boholo ba lipente tse tloaelehileng tsa spray, li-varnish, li-enamel, le li-epoxy esters tse itseng, epoxy amides, catalyzed epoxy amides, acrylates, joalo-joalo. pente stripper e loketse ka ho khetheha bakeng sa libaka tsa lehong.
4.Pente ea emulsion ea metsi e ka etsoa ka likarolo tse 100 tsa inorganic or organic pigment, 0.5 ~ 20 likarolo tsa alkyl cellulose e qhibilihang ka metsing kapa hydroxyalkyl cellulose le 0.01 ~ 5 likarolo tsa polyoxyethylene ether kapa ether ester. Ka mohlala, colorant e fumanoa ka ho kopanya likarolo tse 1,5 tsa HPMC, likarolo tse 0,05 tsa polyethylene glycol alkyl phenyl ether, likarolo tse 99,7 tsa titanium dioxide le likarolo tse 0,3 tsa carbon black. Joale motsoako o tsosoa ka likarolo tse 100 tsa 50% tse tiileng tsa polyvinyl acetate ho fumana seaparo, 'me ha ho na phapang pakeng tsa filimi e omileng ea ho roala e entsoeng ka ho e sebelisa pampiring e teteaneng le ho e senya hanyenyane ka borashe.
Nako ea poso: May-20-2022