01.Hydroxyethyl Cellulose
Raws li cov tsis-ionic surfactant, hydroxyethyl cellulose tsis tsuas yog muaj lub luag haujlwm ntawm kev ncua, thickening, dispersing, flotation, bonding, film-forming, dej tuav thiab muab kev tiv thaiv colloid, tab sis kuj muaj cov khoom nram qab no:
1. HEC yog soluble nyob rau hauv dej kub los yog txias, thiab tsis precipitate ntawm kub los yog boiling, kom nws muaj ib tug ntau yam ntawm solubility thiab viscosity yam ntxwv, thiab tsis-thermal gelation;
2. Piv nrog rau kev lees paub methyl cellulose thiab hydroxypropyl methyl cellulose, lub peev xwm dispersing ntawm HEC yog qhov phem tshaj plaws, tab sis kev tiv thaiv colloid muaj peev xwm muaj zog tshaj plaws.
3. Lub peev xwm tuav dej yog ob zaug siab dua li ntawm methyl cellulose, thiab nws muaj kev tswj xyuas zoo dua.
Kev ceev faj thaum siv:
Txij li cov txheej txheem kho hydroxyethyl cellulose yog hmoov lossis cellulose khoom, nws yooj yim los lis thiab yaj hauv dej ntev npaum li cov teeb meem hauv qab no tau sau tseg.
1. Ua ntej thiab tom qab ntxiv hydroxyethyl cellulose, nws yuav tsum tau stirred tsis tu ncua kom txog thaum cov tshuaj yog pob tshab thiab meej.
2. Nws yuav tsum tau sieved mus rau hauv lub sib tov chim maj mam. Tsis txhob ncaj qha ntxiv cov hydroxyethyl cellulose uas tau tsim rau hauv cov pob lossis cov pob rau hauv cov khoom sib xyaw hauv cov khoom loj lossis ncaj qha.
3. Cov dej kub thiab pH tus nqi ntawm cov dej muaj kev sib raug zoo nrog kev sib cais ntawm hydroxyethyl cellulose, yog li yuav tsum tau them nyiaj tshwj xeeb rau nws.
4. Tsis txhob ntxiv qee cov tshuaj alkaline rau qhov sib tov ua ntejhydroxyethyl cellulosehmoov yog sov los ntawm dej. Kev nce tus nqi PH tom qab ua kom sov yog pab tau rau kev sib cais.
Kev siv HEC:
1. Feem ntau siv los ua thickening tus neeg saib xyuas, tiv thaiv tus neeg sawv cev, nplaum, stabilizer thiab additive rau kev npaj emulsion, gel, tshuaj pleev, tshuaj pleev ib ce, qhov muag clearing agent, suppository thiab ntsiav tshuaj, kuj siv raws li hydrophilic gel, skeleton cov ntaub ntawv, npaj cov zaub mov skeleton sustained-tso tawm npaj, thiab kuj yuav siv tau raws li ib tug gel.
2. Nws yog siv los ua sizing tus neeg sawv cev hauv kev lag luam textile, kev sib txuas, thickening, emulsifying, stabilizing thiab lwm yam auxiliaries hauv electronics thiab light industry sectors.
3. Siv ua thickener thiab filtrate reducer rau dej-raws li drilling kua thiab ua tiav kua, thiab muaj pom tseeb thickening nyhuv nyob rau hauv dej ntsev drilling kua. Nws kuj tseem tuaj yeem siv los ua tus neeg saib xyuas cov dej tsis zoo rau cov roj zoo cement. Nws tuaj yeem txuas nrog polyvalent hlau ions los ua gels.
5. Cov khoom no yog siv los ua dispersant rau dej-raws li gel fracturing kua, polystyrene thiab polyvinyl chloride nyob rau hauv cov roj fracturing ntau lawm. Nws kuj tuaj yeem siv los ua emulsion thickener hauv kev lag luam xim, av noo rhiab resistor hauv kev lag luam hluav taws xob, cement coagulation inhibitor thiab noo noo tuav tus neeg sawv cev hauv kev tsim kho kev lag luam. Glazing thiab tshuaj txhuam hniav adhesives rau kev lag luam ceramic. Nws kuj yog siv dav hauv kev luam ntawv thiab dyeing, textile, papermaking, tshuaj, tu cev, zaub mov, luam yeeb, tshuaj tua kab thiab tua hluav taws.
02.Hydroxypropyl Methyl Cellulose
1. Txheej kev lag luam: Raws li cov thickener, dispersant thiab stabilizer hauv kev lag luam txheej, nws muaj kev sib raug zoo hauv dej lossis cov kuab tshuaj organic. raws li cov xim tshem tawm.
2. Ceramic manufacturing: dav siv los ua cov ntaub ntawv hauv kev tsim cov khoom siv ceramic.
3. Lwm tus: Cov khoom no kuj tau siv dav hauv tawv, ntawv cov khoom lag luam, kev txuag txiv hmab txiv ntoo thiab zaub thiab kev lag luam textile, thiab lwm yam.
4. Ink printing: raws li ib tug thickener, dispersant thiab stabilizer nyob rau hauv lub lag luam number case, nws muaj zoo compatibility nyob rau hauv dej los yog organic solvents.
5. Yas: siv los ua molding tso tus neeg sawv cev, softener, lubricant, thiab lwm yam.
6. Polyvinyl chloride: Nws yog siv los ua ib qho dispersant hauv kev tsim cov polyvinyl chloride, thiab nws yog tus neeg sawv cev tseem ceeb rau kev npaj ntawm PVC los ntawm kev ncua polymerization.
7. Kev tsim kho kev lag luam: Raws li tus neeg saib xyuas dej thiab rov qab rau cov cement mortar, lub mortar muaj twj tso kua mis. Siv los ua cov ntaub ntawv hauv plastering paste, gypsum, putty hmoov lossis lwm yam khoom siv hauv tsev los txhim kho kev sib kis thiab ua haujlwm ntev. Nws yog siv los ua cov tshuaj pleev xim rau cov nplais pobzeb, marble, yas kho kom zoo nkauj, ua cov tshuaj pleev ib ce, thiab nws tuaj yeem txo cov cement. Cov dej khaws cia ntawm hydroxypropyl methylcelluloseHPMCtuaj yeem tiv thaiv cov slurry los ntawm kev tawg vim ziab sai heev tom qab daim ntawv thov, thiab txhim khu lub zog tom qab hardening.
8. Pharmaceutical kev lag luam: cov ntaub ntawv txheej; cov ntaub ntawv ua yeeb yaj kiab; tus nqi-tswj cov ntaub ntawv polymer rau sustained-tso npaj; stabilizers; tshem tawm cov neeg sawv cev; ntsiav tshuaj binders; cov tackifiers.
Xwm:
1. Cov tsos: cov hmoov dawb los yog dawb dawb.
2. Particle loj; 100 mesh pass tus nqi yog ntau dua 98.5%; 80 mesh pass tus nqi yog 100%. Qhov loj me me ntawm qhov tshwj xeeb tshwj xeeb yog 40 ~ 60 mesh.
3. Carbonization kub: 280-300 ℃
4. Pom tseeb qhov ceev: 0.25-0.70g / cm (feem ntau yog nyob ib ncig ntawm 0.5g / cm), tshwj xeeb lub ntiajteb txawj nqus 1.26-1.31.
5. Discoloration kub: 190-200 ℃
6. Nto nro: 2% aqueous tov yog 42-56dyn / cm.
7. Solubility: soluble hauv dej thiab qee cov kuab tshuaj, xws li kev faib ua feem ntawm ethanol / dej, propanol / dej, thiab lwm yam. Aqueous daws yog nto active. High transparency thiab ruaj khov ua haujlwm. Cov khoom sib txawv ntawm cov khoom muaj qhov sib txawv gel kub, thiab solubility hloov nrog viscosity. Qhov qis dua qhov viscosity, qhov ntau dua qhov solubility. Cov khoom sib txawv ntawm HPMC muaj cov khoom sib txawv. Kev sib cais ntawm HPMC hauv dej tsis cuam tshuam los ntawm tus nqi pH.
8. Nrog rau qhov txo qis ntawm methoxy pawg cov ntsiab lus, cov ntsiab lus gel nce, cov dej solubility txo, thiab cov dej ua haujlwm ntawm HPMC txo.
9. HPMCkuj muaj cov yam ntxwv ntawm thickening muaj peev xwm, ntsev kuj, tsis tshua muaj tshauv hmoov, pH stability, dej tuav, seem stability, zoo heev film-forming zog, thiab ntau yam enzyme kuj, dispersibility thiab cohesiveness.
Post lub sij hawm: Apr-26-2024