Umahluko we-hydroxypropyl methylcellulose HPMC kunye ne-hydroxyethyl cellulose HEC

Kukho i-industrial monosodium glutamate, i-carboxymethyl cellulose, i-hydroxypropyl methyl cellulose, kunyei-hydroxyethyl cellulose, zezona zisetyenziswa kakhulu. Phakathi kweentlobo ezintathu ze-cellulose, eyona inzima ukuyiqonda yi-hydroxypropyl methylcellulose kunye ne-hydroxyethyl cellulose. Masihlukanise ezi ntlobo zimbini ze-cellulose ngokusetyenziswa kwazo kunye nemisebenzi yazo.

Njenge-surfactant engeyiyo i-ionic, i-hydroxyethyl cellulose ineempawu ezilandelayo ukongeza ekumiseni, ekuqiniseni, ekusasazeni, ekuflotheni, ekubopheni, ekwenzeni ifilimu, ekugcineni amanzi nasekuboneleleni ngee-colloids ezikhuselayo:

1. I-HEC ngokwayo ayisiyo-ionic kwaye inokusebenza kunye nezinye iipolymers ezinyibilikayo emanzini, ii-surfactants, kunye neetyuwa. Sisithambisi esihle se-colloidal esinezisombululo ze-electrolyte ezinoxinzelelo oluphezulu.

2. Xa kuthelekiswa ne-methyl cellulose eyaziwayo kunye ne-hydroxypropyl methyl cellulose, amandla okusasaza e-HEC ngawona mabi kakhulu, kodwa i-colloid ekhuselayo inamandla amakhulu.

3. Umthamo wokugcina amanzi uphindwe kabini kunowe-methyl cellulose, kwaye unolawulo olungcono lokuhamba kwamanzi.

4. I-HEC iyanyibilika emanzini ashushu okanye abandayo, kwaye ayitshisi xa kushushu kakhulu okanye ibila, ngoko ke ineempawu ezahlukeneyo zokunyibilika kunye ne-viscosity, kunye ne-gelation engashushu.

Ukusetyenziswa kwe-HEC: ngokuqhelekileyo kusetyenziswa njenge-arhente yokutyeba, i-arhente yokukhusela, i-glue, i-stabilizer kunye nokulungiselela i-emulsion, i-jelly, i-ointment, i-lotion, kunye nokucoca amehlo.

Intshayelelo yesicelo seHydroxypropyl methylcellulose (HPMC):

1. Ishishini lokugquma: njengesithambisi, isisasazi kunye nesiqinisi kwishishini lokugquma, sihambelana kakuhle namanzi okanye izinyibilikisi zendalo. njengesisusi-peyinti.

2. Ukwenziwa kweseramikhi: kusetyenziswa kakhulu njengesihlanganisi ekwenzeni iimveliso zeseramikhi.

3. Ezinye: Le mveliso ikwasetyenziswa kakhulu kwimizi-mveliso yesikhumba, imveliso yephepha, ukugcinwa kweziqhamo nemifuno kunye nemizi-mveliso yelaphu, njl.

4. Ukuprinta i-inki: njengesithambisi, isisasazi kunye nesiqinisi kwishishini le-inki, ihambelana kakuhle namanzi okanye izinyibilikisi zendalo.

5. Iplastiki: isetyenziswa njengesixhobo sokukhulula isikhunta, isithambisi, igrisi, njl.njl.

6. I-Polyvinyl chloride: Isetyenziswa njengesinyibilikisi ekuvelisweni kwe-polyvinyl chloride, kwaye yeyona nto iphambili encedisayo ekulungiseleleni i-PVC nge-suspension polymerization.

7. Ishishini lokwakha: Njengesixhobo sokugcina amanzi kunye nesithinteli sesamente, yenza isanti ikwazi ukumpompa. Isetyenziswa njengesihlanganisi kwi-plastering paste, i-gypsum, i-putty powder okanye ezinye izixhobo zokwakha ukuphucula ukusasazeka kunye nokwandisa ixesha lokusebenza. Isetyenziswa njenge-paste kwi-ceramic tile, imabula, umhombiso weplastiki, njengesincedisi se-paste, kwaye inokunciphisa ubungakanani besamente. Ukugcinwa kwamanzi kwe-HPMC kunokuthintela isanti ukuba ingaqhekeki ngenxa yokoma ngokukhawuleza emva kokusetyenziswa, kwaye komeleze amandla emva kokuqina.


Ixesha lokuthumela: Okthobha-20-2022