Kugwiritsa ntchito kwakukulu ndi kusiyana kwa hydroxypropyl methylcellulose HPMC ndi hydroxyethyl cellulose HEC

Kugwiritsa ntchito kwakukulu ndi kusiyana kwa hydroxypropyl methylcellulose HPMC ndi hydroxyethyl cellulose HEC

Carboxymethyl cellulose, hydroxypropyl methyl cellulose, ndi hydroxyethyl cellulose yokhala ndi mafakitale a monosodium glutamate amagwiritsidwa ntchito kwambiri.Chovuta kwambiri kusiyanitsa pakati pa mitundu itatu ya cellulose ndi hydroxypropyl methylcellulose ndi hydroxyethyl cellulose.M'munsimu tidzasiyanitsa mitundu iwiri ya cellulose pogwiritsa ntchito ndi ntchito yake.

Monga si ionic surfactant, hydroxyethyl cellulose ili ndi zinthu zotsatirazi kuwonjezera pa ntchito zoyimitsa, kukhuthala, kufalitsa, kuyandama, kugwirizanitsa, kupanga mafilimu, kusunga madzi ndi kupereka colloid yoteteza:

1. HEC palokha si ionic ndipo imatha kukhala limodzi ndi ma polima ena osungunuka m'madzi, ma surfactants, ndi mchere.Ndi colloidal thickener yabwino yothetsera mayankho omwe ali ndi ma electrolyte apamwamba kwambiri.

2. Poyerekeza ndi methyl cellulose yodziwika bwino ndi hydroxypropyl methyl cellulose, mphamvu yobalalika ya HEC ndiyoipa kwambiri, koma mphamvu yoteteza colloid ndiyo yamphamvu kwambiri.

3. Mphamvu yosungira madzi imakhala yowirikiza kawiri kuposa ya methyl cellulose, ndipo imakhala ndi malamulo oyendetsera bwino.

4. HEC imasungunuka m'madzi otentha kapena madzi ozizira, ndipo sichimawotcha kutentha kwambiri kapena kutentha, zomwe zimapangitsa kuti zikhale ndi mitundu yambiri ya solubility ndi viscosity, ndi gelation yopanda kutentha.

HEC ntchito: zambiri ntchito monga thickener, zoteteza wothandizila, zomatira, stabilizer ndi kukonzekera emulsion, odzola, mafuta odzola, odzola, maso bwino.

Chiyambi cha ntchito ya Hydroxypropyl methylcellulose (HPMC):

1. Makampani opaka: Amagwiritsidwa ntchito ngati thickener, dispersant ndi stabilizer mu makampani ❖ kuyanika, ndi zogwirizana bwino m'madzi kapena organic solvents.Monga chochotsera utoto.

2. Makampani opanga Ceramic: Amagwiritsidwa ntchito kwambiri ngati chomangira popanga zinthu za ceramic.

3. Zina: Izi zimagwiritsidwanso ntchito kwambiri pazikopa, mapepala, kusunga zipatso ndi masamba ndi mafakitale a nsalu, ndi zina zotero.

4. Kusindikiza kwa inki: Kumagwiritsidwa ntchito ngati thickener, dispersant ndi stabilizer mu makampani inki, ndipo ali n'zogwirizana bwino m'madzi kapena organic solvents.

5. Pulasitiki: imagwiritsidwa ntchito ngati kupanga chotulutsa, chofewa, mafuta odzola, etc.

6. Polyvinyl kolorayidi: Amagwiritsidwa ntchito ngati dispersant popanga polyvinyl kolorayidi, ndipo ndi wothandizira wamkulu pokonzekera PVC ndi kuyimitsidwa polymerization.ndi

7. Makampani omangamanga: Monga chosungira madzi ndikubwezeretsanso mchenga wa simenti, imatha kupanga matope kuti azitha kupopa.Mu pulasitala, gypsum, putty ufa kapena zinthu zina zomangira monga chomangira kuti chifalikire ndikutalikitsa nthawi yogwira ntchito.Itha kugwiritsidwa ntchito ngati matailosi a phala, marble, kukongoletsa pulasitiki, kulimbitsa phala, komanso kuchepetsa kuchuluka kwa simenti.Kusunga madzi kwa HPMC kumalepheretsa slurry kusweka chifukwa cha kuyanika mwachangu mukatha kugwiritsa ntchito, ndikuwonjezera mphamvu pambuyo poumitsa.