Hydroxyethyl Cellulose

Hydroxyethyl cellulose (HEC) yog non-ionic soluble cellulose ether derivatives uas tuaj yeem koom nrog ntau lwm cov dej-soluble polymers, surfactants, thiab ntsev. HEC muaj cov khoom ntawm thickening, ncua kev kawm ntawv, adhesion, emulsification, ruaj khov zaj duab xis tsim, dispersion, dej tuav, anti-microbial tiv thaiv thiab colloidal tiv thaiv. Nws tuaj yeem siv dav hauv coatings, tshuaj pleev ib ce, roj drilling thiab lwm yam lag luam.

Cov khoom tseem ceeb ntawm Hydroxyethyl cellulose (HEC) yog tias nws tuaj yeem yaj hauv dej txias thiab dej kub, thiab tsis muaj cov yam ntxwv gel. Nws muaj ntau yam kev hloov pauv, solubility thiab viscosity. Nws muaj qhov zoo thermal stability (qis dua 140 ° C) thiab tsis tsim nyob rau hauv acidic tej yam kev mob. nag lossis daus. Cov tshuaj hydroxyethyl cellulose tuaj yeem tsim cov duab pob tshab, uas muaj cov yam ntxwv uas tsis yog-ionic uas tsis cuam tshuam nrog ions thiab muaj kev sib raug zoo.

Tshuaj Specification

Cov khoom Qib 

Characteristics ntawm HEC

1. Thickening

HEC yog ib qho zoo tagnrho thickener rau coatings thiab tshuaj pleev ib ce. Hauv kev siv tswv yim, kev sib xyaw ua ke ntawm thickening thiab ncua kev kawm ntawv, kev nyab xeeb, dispersibility, thiab dej tuav yuav ua rau muaj txiaj ntsig zoo tshaj plaws.

2. Pseudoplasticity

Pseudoplasticity yog hais txog cov cuab yeej uas cov viscosity ntawm cov tshuaj txo qis nrog kev nce ceev. Cov xim pleev xim uas muaj HEC yog ib qho yooj yim rau siv nrog txhuam los yog cov chais thiab tuaj yeem ua kom lub ntsej muag du, uas tuaj yeem ua rau kev ua haujlwm zoo; Cov tshuaj zawv plaub hau uas muaj HEC muaj cov kua dej zoo thiab muaj kuab heev, yooj yim rau dilute, thiab yooj yim rau disperse.

3.Ntshav siab ntev

HEC yog ruaj khov heev nyob rau hauv high-concentration ntsev tov thiab yuav tsis decompose rau hauv lub xeev ionic. Siv hauv electroplating, qhov chaw ntawm cov plated tuaj yeem ua tiav thiab ci dua. Dab tsi yog qhov tseem ceeb tshaj plaws yog tias nws tseem muaj viscosity zoo thaum siv cov xim latex uas muaj borate, silicate thiab carbonate.

4. Zaj duab xis

Cov cuab yeej ua yeeb yaj kiab ntawm HEC tuaj yeem siv rau hauv ntau qhov kev lag luam. Hauv kev ua haujlwm ntawm papermaking, txheej txheej nrog HEC-muaj glazing tus neeg sawv cev tuaj yeem tiv thaiv kev nkag mus ntawm cov roj, thiab tuaj yeem siv los npaj cov kev daws teeb meem rau lwm yam ntawm cov ntawv tsim khoom; nyob rau hauv cov txheej txheem spinning, HEC tuaj yeem ua kom cov elasticity ntawm fibers thiab txo cov neeg kho tshuab puas tsuaj rau lawv. Hauv qhov sizing, dyeing thiab tiav cov txheej txheem ntawm cov ntaub, HEC tuaj yeem ua raws li cov yeeb yaj kiab tiv thaiv ib ntus. Thaum tsis xav tau kev tiv thaiv, nws tuaj yeem ntxuav tawm ntawm fiber ntau nrog dej.

5. Kev tuav dej

HEC pab kom cov dej noo ntawm lub cev nyob rau hauv lub xeev zoo tagnrho. Vim tias ib qho me me ntawm HEC hauv cov kua dej tuaj yeem tau txais cov txiaj ntsig zoo khaws cia, kom lub kaw lus txo cov dej xav tau thaum lub sij hawm batching. Yog tsis muaj dej tuav thiab adhesion, cement mortar yuav txo nws lub zog thiab cohesiveness, thiab av nplaum kuj yuav txo tau nws cov plasticity nyob rau hauv tej lub siab.

Daim ntawv thov

1. Latex xim

Hydroxyethyl cellulose yog feem ntau siv thickener nyob rau hauv latex coatings. Ntxiv nrog rau cov txheej latex thickening, nws tseem tuaj yeem emulsify, disperse, stabilize thiab khaws dej. Nws yog tus cwj pwm los ntawm qhov tseem ceeb thickening nyhuv, zoo xim kev loj hlob, zaj duab xis-forming zog thiab cia stability. Hydroxyethyl cellulose yog ib qho uas tsis yog-ionic cellulose derivative thiab tuaj yeem siv rau ntau qhov pH. Nws muaj kev sib raug zoo nrog lwm cov ntaub ntawv hauv cov khoom (xws li pigments, additives, fillers thiab ntsev). Coatings thickened nrog hydroxyethyl cellulose muaj rheology zoo thiab pseudoplasticity ntawm ntau shear tus nqi. Cov kev tsim kho xws li txhuam hniav, cov menyuam txheej thiab cov tshuaj tsuag tuaj yeem siv tau. Kev tsim kho yog zoo, tsis yooj yim rau drip, sag thiab txaws, thiab cov cuab yeej leveling kuj zoo.

2.Polymerization

Hydroxyethyl cellulose muaj cov dej num ntawm dispersing, emulsifying, suspending thiab stabilizing nyob rau hauv lub polymerization los yog copolymerization tivthaiv ntawm hluavtaws cob, thiab yuav siv tau raws li ib tug tiv thaiv colloid. Nws yog tus cwj pwm los ntawm kev muaj peev xwm dispersing muaj zog, cov khoom uas ua rau muaj cov khoom me me "zaj duab xis", qhov loj me me, cov duab zoo ib yam, cov duab xoob, zoo fluidity, cov khoom siab transparency, thiab kev ua haujlwm yooj yim. Txij li thaum hydroxyethyl cellulose tuaj yeem yaj hauv dej txias thiab dej kub thiab tsis muaj qhov kub thiab txias, nws yog qhov tsim nyog rau ntau yam kev cuam tshuam polymerization.

Lub cev tseem ceeb ntawm cov dispersant yog qhov nto (los yog interfacial) nro, interfacial zog thiab gelation kub ntawm nws cov kua aqueous. Cov khoom ntawm hydroxyethyl cellulose yog tsim rau cov polymerization los yog copolymerization ntawm hluavtaws resins.

Hydroxyethyl cellulose muaj kev sib raug zoo nrog lwm cov dej-soluble cellulose ethers thiab PVA. Cov kev sib xyaw ua ke tsim los ntawm qhov no tuaj yeem tau txais cov txiaj ntsig zoo ntawm kev sib ntxiv ntawm ib leeg qhov tsis muaj zog. Cov khoom siv resin ua tom qab compounding tsis tsuas yog zoo, tab sis kuj txo cov khoom poob.

3. Roj drilling

Hauv cov roj drilling thiab ntau lawm, high-viscosity hydroxyethyl cellulose feem ntau yog siv los ua viscosifier rau cov kua ua tiav thiab cov kua dej tiav. Tsawg-viscosity hydroxyethyl cellulose yog siv los ua cov kua dej poob. Ntawm cov av nkos ntau yam yuav tsum tau ua kom tiav, kev ua tiav, cementing thiab fracturing, hydroxyethyl cellulose yog siv los ua cov thickener kom tau zoo fluidity thiab stability ntawm av nkos. Thaum lub sij hawm drilling, cov av nkos nqa peev xwm tuaj yeem txhim kho, thiab kev pab cuam lub neej ntawm lub laum me ntsis tuaj yeem ua kom ntev. Hauv cov kua ua tiav qis thiab cov kua cementing, cov kua dej zoo txo ​​qis kev ua haujlwm ntawm hydroxyethyl cellulose tuaj yeem tiv thaiv cov dej ntau los ntawm kev nkag mus rau cov roj txheej los ntawm cov av nkos thiab txhim kho lub peev xwm ntawm cov roj txheej.

4.Kev lag luam tshuaj txhua hnub

Hydroxyethyl cellulose yog ib tug zoo zaj duab xis yav dhau los, binder, thickener, stabilizer thiab dispersant nyob rau hauv tshuaj zawv plaub hau, tshuaj tsuag plaub hau, neutralizers, plaub hau conditioners thiab tshuaj pleev ib ce; nyob rau hauv detergent hmoov Medium yog ib tug av redepositing neeg sawv cev. Hydroxyethyl cellulose yaj sai sai ntawm qhov kub thiab txias, uas tuaj yeem ua kom cov txheej txheem ntau lawm thiab txhim kho kev tsim khoom. Qhov pom tseeb ntawm cov tshuaj ntxuav tes uas muaj hydroxyethyl cellulose yog tias nws tuaj yeem txhim kho qhov smoothness thiab mercerization ntawm fabrics.

5 Lub Tsev

Hydroxyethyl cellulose tuaj yeem siv rau hauv cov khoom siv xws li cov khoom sib xyaw ua ke, cov tshuaj sib xyaw tshiab, gypsum plaster lossis lwm cov mortars, thiab lwm yam, kom khaws cov dej thaum lub sij hawm tsim kho ua ntej lawv teem thiab tawv. Ntxiv rau kev txhim kho cov dej tuav ntawm cov khoom siv hauv tsev, hydroxyethyl cellulose kuj tseem tuaj yeem txuas ntxiv kev kho thiab qhib lub sijhawm ntawm plaster lossis cement. Nws tuaj yeem txo cov tawv nqaij, slippage thiab sagging. Qhov no tuaj yeem txhim kho kev tsim kho kev ua haujlwm, nce kev ua haujlwm zoo, txuag lub sijhawm, thiab tib lub sijhawm ua kom muaj peev xwm nce tus nqi ntawm mortar, yog li txuag cov khoom siv raw.

6 Kev ua liaj ua teb

Hydroxyethyl cellulose yog siv nyob rau hauv tshuaj tua kab emulsion thiab ncua kev kawm ntawv formulations, raws li ib tug thickener rau tshuaj tsuag emulsions los yog suspensions. Nws tuaj yeem txo qhov drift ntawm cov tshuaj thiab ua kom nws ruaj khov rau ntawm nplooj nplooj ntawm cov nroj tsuag, yog li ua rau kev siv cov nplooj txau. Hydroxyethyl cellulose kuj tseem siv tau los ua cov yeeb yaj kiab tsim rau cov noob txheej txheej; raws li ib tug binder thiab zaj duab xis-forming tus neeg sawv cev rau luam yeeb nplooj.

7 Daim ntawv thiab tus cwj mem

Hydroxyethyl cellulose tuaj yeem siv los ua tus neeg sawv cev sizing ntawm daim ntawv thiab cov duab los qhia, nrog rau cov thickening thiab suspending tus neeg sawv cev rau cov dej hauv cov inks. Hauv cov txheej txheem papermaking, cov khoom zoo tshaj ntawm hydroxyethyl cellulose suav nrog kev sib raug zoo nrog feem ntau cov pos hniav, resins thiab inorganic ntsev, tsis tshua muaj npuas, tsis tshua muaj oxygen noj thiab muaj peev xwm los tsim ib tug du nto zaj duab xis. Cov yeeb yaj kiab muaj qhov permeability tsawg thiab muaj zog gloss, thiab tuaj yeem txo cov nqi. Daim ntawv nplaum nrog hydroxyethyl cellulose tuaj yeem siv los luam cov duab zoo. Nyob rau hauv kev tsim cov dej-raws li tus number case, cov dej-raws li number case thickened nrog hydroxyethyl cellulose dries sai sai, muaj xim zoo diffusibility, thiab tsis ua rau adhesion.

8 qob

Nws tuaj yeem siv los ua tus neeg sawv cev thiab tus neeg sawv cev hauv cov ntaub ntawv luam tawm thiab dyeing sizing tus neeg saib xyuas thiab latex txheej; thickening tus neeg saib xyuas rau sizing cov ntaub ntawv nyob rau tom qab ntawm cov ntaub pua plag. Hauv iav fiber ntau, nws tuaj yeem siv los ua tus neeg sawv cev thiab nplaum; hauv tawv slurry, nws tuaj yeem siv los hloov kho thiab nplaum. Muab ntau yam viscosity rau cov coatings los yog adhesives, ua rau cov txheej txheem ntau dua thiab ceev adherence, thiab tuaj yeem txhim kho qhov pom tseeb ntawm kev luam ntawv thiab dyeing.

9 Ceramics

Nws tuaj yeem siv los tsim cov nplaum muaj zog rau cov ceramics.

10. tshuaj txhuam hniav

Nws tuaj yeem siv los ua cov thickener hauv kev tsim cov tshuaj txhuam hniav.

Ntim: 

25kg ntawv hnab sab hauv nrog PE hnab.

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