Hydroxyethyl cellulose

Hydroxyethyl cellulose (HEC) yog cov tsis-ionic soluble cellulose etherderivativesQhov ntawd tuaj yeem ua rau muaj ntau lwm cov dej-soluble polymers, solfactants, thiab ntsev. HEC muaj cov yam ntxwv ntawm thickening, ncua kev kawm, xwm txheej ruaj khov, ruaj khov, dej rov qab, tiv thaiv microbial kev tiv thaiv thiab kev tiv thaiv microidal. Nws tuaj yeem yog qhov dav siv hauv cov tsho tiv no, tshuaj pleev ib ce, kev lag luam roj thiab lwm yam kev lag luam.

Cov khoom tseem ceeb ntawmHydroxyethyl cellulose(HEC)Yog tias nws tuaj yeem raug ntiab tawm hauv dej txias thiab dej kub, thiab tsis muaj GEL cov yam ntxwv. Nws muaj ntau yam hloov chaw, solubility thiab viscosity. Nws muaj zoo thermal ruaj khov (hauv qab 140 ° c) thiab tsis tsim cov khoom muaj acidic. nag lossis daus. Lub hydroxyethyl cellulose tshuaj tuaj yeem tsim cov yeeb yaj kiab pob tshab, uas tsis muaj cov yam ntxwv tsis cuam tshuam nrog ionion thiab muaj kev sib txuam zoo.

Qhov tshwj xeeb ChemCial

Khoom Cov menyuam kawm qib 

CHaracterified ntawm Hec

1.Sam xim

HEC yog qhov tuab zoo tshaj plaws rau txheej txheej thiab cov tshuaj pleev ib ce. Hauv kev siv cov tswv yim, kev sib xyaw ua ke tuab thiab raug ncua, kev nyab xeeb, dispersibility, thiab dej khaws cia yuav ua rau muaj kev cuam tshuam zoo tagnrho.

2.Pseudoplastic

Pseudoproastic hais txog cov cuab yeej uas lub viscosity ntawm kev daws teeb meem tsawg dua nrog kev nce hauv kev ceev. Cov xim looj cov xim looj tau yooj yim thov nrog txhuam lossis cov chais thiab tuaj yeem nce qhov du kom zoo nkauj ntawm cov npoo av, uas tuaj yeem nce ntxiv ua haujlwm; Cov tshuaj zawv plaub hau muaj HEC muaj fluidity zoo thiab yog cov dav heev, yooj yim rau kev ua kom huv, thiab yooj yim rau tawg.

3.Ntsev kam

HEC yog qhov ruaj khov nyob rau hauv high-concentration ntsev cov ntsiab lus thiab yuav tsis decompose rau hauv ionic lub xeev. Ua ntawv thov hauv electroplating, qhov saum npoo ntawm cov chaw 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 nyob rau hauv looj cov xim muaj zog uas muaj kev ua si, silicate thiab carbonate.

4.Zaj duab xis sib haum

Cov yeeb yaj kiab ua yeeb yam ntawm HEC tuaj yeem siv rau ntau qhov kev lag luam. Hauv kev ua haujlwm papermaking, txheej nrog HEC-muaj glazing neeg sawv cev tuaj yeem tiv thaiv kev nkag mus rau kev daws teeb meem rau lwm yam kev tsim khoom; Hauv cov txheej txheem spinning, HEC tuaj yeem nce cov elasticity ntawm fibers thiab txo kev puas tsuaj rau lawv. Nyob rau hauv lub sizing, dowing thiab cov txheej txheem ua tiav ntawm cov ntaub, HEC tuaj yeem ua raws li zaj duab xis tiv thaiv ib ntus. Thaum nws txoj kev tiv thaiv tsis xav tau, nws tuaj yeem ntxuav kom deb ntawm cov roj nrog dej.

5.Dej ceev

HEC pab kom cov dej noo ntawm cov kab ke hauv lub xeev zoo tshaj plaws. Vim tias ib qho kev daws teeb meem me me tuaj yeem tau txais cov nyhuv ua haujlwm zoo, yog li cov kab ke txo cov dej xav tau thaum lub sij hawm batching. Yog tsis muaj dej rov qab thiab cov nplaum, cemention thiab kev sib xyaw ua ke, thiab av nplaum kuj tseem yuav txo nws lub zog nyob hauv qab lub siab.

Cov Ntawv Thov

1.Looj xim

Hydroxyethyl cellulose yog cov tuab tuab uas siv cov tuab tuab tshaj plaws hauv cov txheej yas. Ntxiv rau cov thickening lig txheej, nws tseem tuaj yeem emulsify, disperse, detain thiab khaws dej. Nws yog tus cwj pwm tseem ceeb los ntawm cov nyhuv tuab tuab, ua xim zoo nkauj, ua yeeb yaj kiab ua yeeb yaj kiab thiab chaw khaws khoom ruaj khov. Hydroxyethyl cellulose yog cov tsis-ionic cellulose derivative thiab tuaj yeem siv hauv cov xov tooj dav. Nws muaj kev sib raug zoo zoo nrog lwm cov ntaub ntawv hauv cov khoom siv (xws li pigments, ntxiv rau, fillers thiab ntsev). Txheej pleev tuab tuab nrog hydroxyethyl cellulose muaj zoo rhuaology thiab pseudoplasticity ntawm ntau tus nqi shear. Txoj kev tsim qauv xws li txhuam hniav, cov menyuam txheej thiab tshuaj tsuag tuaj yeem saws. Kev tsim kho yog qhov zoo, tsis yooj yim txia, sag thiab txaws, thiab cov cuab yeej leveling kuj zoo.

2.Polymerization

Hydroxyethyl cellulose muaj cov haujlwm ntawm dispersing, emulsifying, ncua sijhawm thiab copolymerization tivthaiv lossis tuaj yeem siv ua kev tiv thaiv kev tiv thaiv. Nws yog tus cwj pwm los ntawm muaj zog dispersing muaj peev xwm, cov khoom lag luam zoo li qub, hnav zoo, cov khoom lag luam xoob, muaj cov khoom lag luam zoo. Txij li hydroxyethyl cellulose tuaj yeem yaj nyob rau hauv dej txias thiab dej kub thiab tsis muaj gelation kub taw tes, nws yog qhov haum ntau rau ntau cov kev tiv thaiv polymerization.

Qhov tseem ceeb ntawm lub cev tseem ceeb ntawm dispersant yog qhov saum npoo (lossis interfacial) nro, interfacial lub zog thiab gelation kub ntawm nws cov aqueous daws. Cov yam ntxwv ntawm hydroxyethyl cellulose yog qhov tsim nyog rau cov polymerization lossis copolymerization ntawm cov hluavtaws cov resins.

Hydroxyethyl cellulose muaj kev sib raug zoo nrog lwm cov dej-soluble cellulose neeg muaj kev hais txog thiab PVA. Tus txheej txheem sib xyaw ua haujlwm los ntawm qhov no tuaj yeem tau txais cov txiaj ntsig zoo ntawm kev ua tiav txhua lwm yam tsis muaj zog. Cov khoom lag luam cob tau tom qab compound tsis yog tsuas yog zoo zoo, tab sis kuj txo cov khoom poob.

3.Roj Drilling

Nyob rau hauv cov roj drilling thiab ntau lawm, siab-viscosity Hydrothlosethyl cellulose feem ntau yog siv ua cov kua dej thiab ua kom tiav kua. Tsawg-viscosity hydrotethyl cellulose yog siv los ua tus neeg sawv cev poob. Ntawm cov av nkos yuav tsum muaj rau drilling, ua tiav, cementing thiab fracturing cellulose yog siv los ua cov tuab thiab muaj kev ruaj khov ntawm cov av nkos. Thaum lub sijhawm tho, cov av nqa muaj peev xwm tuaj yeem txhim kho, thiab cov kev pabcuam lub neej ntawm laum kev puas tuaj yeem ntev. Hauv cov kua dej ua tiav qis thiab cov kua cement, cov roj ua tau zoo heev txo tau los ntawm cov av nkos thiab txhim kho cov txheej txheem ntau lawm ntawm cov txheej roj.

4.Kev Lag Luam Txhua Hnub

Hydroxyethyl cellulose yog qhov ua tau zoo zaj duab xis qub, binder, thickener, cov plaub hau, cov plaub hau, ne cov duab txias thiab tshuaj pleev ib ce; Hauv cov hmoov xab npum nruab nrab yog tus neeg sawv cev sib tw. Hydroxyethyl cellulose yaj sai sai ntawm cov kub, uas tuaj yeem ceev cov txheej txheem ntau lawm thiab txhim kho ntau dua. Qhov pom tseeb ntawm cov tshuaj ntxuav tes uas muaj hydroxyethyl cellulose yog tias nws tuaj yeem txhim kho lub smoothness thiab kev lom zem ntawm cov ntaub.

5 lub tsev

Hydroxyethyl cellulose tuaj yeem siv rau hauv cov khoom siv xws li pob zeb cug lossis lwm yam tshiab sib xyaw, thiab lwm yam, los khaws cov txheej txheem kev tsim kho ua ntej lawv teeb tsa thiab tawv tawv. Ntxiv rau kev txhim kho cov dej tuav ntawm cov khoom lag luam hauv tsev, hydroxyethyl cellulose tseem tuaj yeem txuas ntxiv kev kho thiab qhib lub sijhawm ntawm plaster lossis xis mas. Nws tuaj yeem txo cov tawv nqaij tawv, npleem thiab sagging. Qhov no tuaj yeem txhim kho kev ua haujlwm zoo, nce sijhawm, txuag sijhawm, thiab tib lub sijhawm nce nqi tshuaj khib, yog li txuag cov khoom raw.

6 Ua Liaj Ua Liaj Ua Teb

Hydroxyethyl cellulose siv rau hauv cov tshuaj tua kab mob emulsion thiab tshem tawm, raws li cov tuab rau cov tshuaj tsuag lossis tshem tawm. Nws tuaj yeem txo kev txav chaw ntawm lub khw muag khoom noj thiab ua kom khov kho rau saum npoo ntawm cov nroj tsuag, yog li nce cov txiaj ntsig kev siv cov txiaj ntsig kev txau. Hydroxyethyl cellulose kuj tseem siv tau ua zaj duab xis-ua tus neeg sawv cev rau cov noob txheej txheej ntawm txheej; Raws li phau ntawv binder thiab ua yeeb yaj kiab-sib sau tus neeg sawv cev rau cov neeg haus luam yeeb nplooj khoom siv.

7 ntawv thiab mem kua

Hydroxyethyl cellulose tuaj yeem siv ua tus sawv cev tus neeg sawv cev ntawm daim ntawv thiab duab los qhia, nrog rau cov neeg siv dej ua kom sov. Hauv cov txheej txheem papermaking, cov khoom zoo tshaj ntawm hydroxyethyl cellulose muaj xws li feem ntau cov pos hniav thiab cov pa roj av thiab muaj peev xwm los ua ib zaj duab xis du. Cov yeeb yaj kiab tau qis lub ntsej muag muaj kev sib zog loj thiab muaj zog heev, thiab tseem tuaj yeem txo nqi. Daim ntawv glued nrog hydroxyethyl cellulose tuaj yeem siv rau kev luam ntawv cov duab zoo. Nyob rau hauv kev tsim cov kav dej-based ink thickened nrog hydroxyethyl cellulose dries sai sai, muaj cov xim zoo nkauj, thiab tsis ua rau adhesion.

8 npuag

Nws tuaj yeem siv tau ua binder thiab sizing tus neeg sawv cev hauv cov ntaub luam ntawv thiab dyeing sizing tus neeg sawv cev thiab looj cov txheej; Thickening tus neeg sawv cev rau cov khoom qab zib ntawm cov ntaub pua plag tom qab. Hauv cov iav fiber ntau, nws tuaj yeem siv los tsim tus neeg sawv cev thiab cov nplaum; Hauv tawv slurry, nws tuaj yeem siv los ua hloov kho thiab nplaum. Muab ntau hom piscosity rau cov txheej txheej no los yog cov nplaum, ua kom cov txheej txheej zoo nkauj thiab muaj peev xwm txhim kho qhov pom tseeb ntawm luam ntawv thiab cuam tshuam.

9 Ceramics

Nws tuaj yeem siv los tsim cov khoom siv zoo siab rau Ceramics.

10.tshuaj txhuam hniav

Nws tuaj yeem raug siv los ua cov tuab hauv cov tshuaj txhuam hniav hauv cov tshuaj txhuam hniav tsim.

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