Kuvandudza kushanda kwezvinhu zvekuvaka - hydroxypropyl methylcellulose

Hydroxypropyl methylcellulose (HPMC kwenguva pfupi) inokosha yakasanganiswa ether, iyo isiri-ionic mvura-soluble polymer, uye inoshandiswa zvakanyanya muzvokudya, mishonga, indasitiri yemakemikari yemazuva ose, kuvhara, kuita kwepolymerization uye kuvaka sekusimudzira kupararira, kuwedzera, emulsifying, stabilizing uye adhesives, nezvimwewo, uye pane gaka rakakura mumusika wepamba.

Hydroxypropyl methylcellulose inoshandiswa zvakanyanya muindasitiri yekuvaka semugadziri wemufirimu, binder, dispersant, stabilizer, thickener, mutsigiri wemvura, nezvimwewo, uye yave chigadzirwa chenyeredzi chakakwezva kutarisa kubva payakatangwa pamutsara.

Hydroxypropylmethylcellulose

Chirungu zita rakazara: Hydroxypropyl Methyl Cellulose Chirungu chipfupiso: HPMC

Nekuti HPMC ine yakanakisa zvivakwa zvakaita sekukora, emulsification, kugadzira firimu, inodzivirira colloid, kuchengetedzwa kwemwando, adhesion, enzyme kuramba uye metabolic inertness, inoshandiswa zvakanyanya mukupfeka, polymerization maitiro, zvekuvaka, kugadzirwa kwemafuta, machira, chikafu, mushonga, Daily-kushandisa Ceramics, zvigadzirwa zvemagetsi nembeu dzekurima nemamwe madhipatimendi.

zvokuvakisa

Muzvivakwa zvekuvaka, HPMC kana MC inowanzowedzerwa kune simende, dhaka, uye dhaka kuvandudza kuvaka uye kuchengetedza mvura.

Inogona kushandiswa se:

1).Adhesive uye caulking agent ye gypsum-based adhesive tepi;

2).Kusungirirwa kwezvidhinha, matairi uye nheyo;

3).Plasterboard-based stucco;

4).Cement-based structural plaster;

5).Muchigadziro chepende uye kubvisa pendi.

Adhesive for ceramic tiles

HPMC 15.3 zvikamu

Perlite 19.1 zvikamu

Mafuta amides uye cyclic thio anosanganisa 2.0 zvikamu

Clay 95.4 zvikamu

Silika yekudyara (22μ) 420 zvikamu

450.4 zvikamu zvemvura

Inoshandiswa musimende yakasungwa nezvidhinha, mataira, matombo kana simende:

HPMC (kupararira dhigirii 1.3) 0.3 zvikamu

Cattelan simende 100 zvikamu

Silika jecha 50 zvikamu

50 zvikamu zvemvura

Inoshandiswa seyepamusoro-yakasimba simende yekuvaka zvinhu zvekuwedzera:

Cattelan simende 100 zvikamu

Asbestos 5 zvikamu

Polyvinyl doro kugadzirisa 1 chikamu

Calcium silicate 15 zvikamu

Clay 0.5 zvikamu

32 zvikamu zvemvura

HPMC 0.8 zvikamu

Indasitiri yependi

Muindasitiri yependi, HPMC inonyanya kushandiswa mulatex pendi uye mvura-inonyungudika resin pendi zvikamu semugadziri wemufirimu, thickener, emulsifier uye stabilizer.

Kumiswa Polymerization yePVC

Munda une kushandiswa kukuru kwezvigadzirwa zveHPMC munyika yangu ndeyekumiswa kwepolymerization yevinyl chloride.Mukumiswa kwepolymerization yevinyl chloride, iyo dispersion system inobata zvakananga kunaka kwechigadzirwa PVC resin uye kugadzirisa kwayo uye zvigadzirwa;inogona kuvandudza kugadzikana kwekupisa kweresin uye kutonga kugoverwa kwesaizi (kureva, gadzirisa density yePVC).Huwandu hweHPMC hunoita 0.025% ~ 0.03 yePVC yakabuda%.

Iyo PVC resin yakagadzirwa nepamusoro-mhando HPMC, pamusoro pekuona kuti mashandiro acho anosangana neyakajairwa yenyika, zvakare ine yakanaka yemuviri zvimiro, yakanakisa particle maitiro uye yakanakisa kunyungudutsa rheological maitiro.

mamwe maindasitiri

Mamwe maindasitiri anonyanya kusanganisira zvekuzora, kugadzirwa kweoiri, zvekugezesa, zvidhori zvemba uye mamwe maindasitiri.

mvura inonyungudika

HPMC ndeimwe yemapolima anonyungudika nemvura, uye kunyungudika kwayo kwemvura kune hukama nezviri muboka remethoxyl.Kana izvo zviri muboka remethoxyl zvakaderera, zvinogona kunyungudutswa mune yakasimba alkali uye isina thermodynamic gelation point.Nekuwedzera kwemethoxyl yemukati, inonyanya kunzwisiswa nekuzvimba kwemvura uye inonyungudika mu dilute alkali uye isina simba alkali.Kana iyo methoxyl yemukati iri> 38C, inogona kunyungudika mumvura, uye inogona zvakare kunyungudika mumahalogenated hydrocarbons.Kana periodic acid yakawedzerwa kuHPMC, HPMC inokurumidza kupararira mumvura pasina kubudisa zvinhu zvisinganyunguriki keke.Izvi zvinonyanya kukonzerwa nenyaya yekuti periodic acid ine dihydroxyl mapoka munzvimbo ye ortho pane yakapararira glycogen.