Cellulose ether

Cellulose ethers yog ib pawg ntawm cov tshuaj hloov kho cellulose derivatives, qhov twg hydroxyl pawg (-OH) ntawm cellulose molecules hloov nrog ether pawg (-OR). Cov kev hloov kho no txhim kho cov khoom ntawm cellulose, ua kom muaj txiaj ntsig zoo hauv ntau yam lag luam.

Cellulose Ether tau ua pov thawj tias muaj txiaj ntsig zoo ntawm cov khoom siv hluav taws xob zoo, nrhiav cov ntawv thov hauv thaj chaw xws li cov khoom noj, cov khoom tu tus kheej, cov tshuaj siv roj, kev tsim kho, ntawv, cov nplaum, thiab textiles.;

Lawv muaj cov txiaj ntsig tshwj xeeb hauv kev siv tshuaj vim yog cov yam ntxwv suav nrog qhov kub hloov pauv iav, siab tshuaj lom neeg thiab photochemical stability, solubility, txwv crystallinity, hydrogen bonding muaj peev xwm, thiab tsawg toxicity.

Hais txog toxicity, cellulose ethers muaj qhov tseem ceeb tsis muaj peev xwm nkag mus rau hauv plab hnyuv enterocytes thiab muaj ntau yam twb tau pom zoo los ntawm US Food and Drug Administration.

Cellulose ethers yog dej-soluble polymers uas tsim los ntawm kev hloov tshuaj ntawm cellulose.

Cov khoom lag luam loj ntawm cov cellulose ethers suav nrog carboxymethylcellulose (CMC), methylcellulose (MC) thiab cov khoom siv xws li hydroxypropyl methylcellulose (HPMC) thiab hydroxyethyl methylcellulose (HEMC), hydroxyethylcellulose (HEC) thiab derivatives xws li ethyl hydroxyethylosethylose (HEC) thiab ethyl hydroxyethylosethylose. (MEHEC), hydroxypropyl cellulose (HPC), thiab ethylcellulose (EC).

Cellulose ethersua haujlwm li stabilizers, thickeners, thiab viscosity modifiers nyob rau hauv ntau lub lag luam, nrog rau cov khoom noj, tshuaj, khoom siv tu tus kheej, roj teb tshuaj, kev tsim kho, ntawv, nplaum, thiab textiles.;

Hauv kev xaiv cov ntawv thov, lawv sib tw nrog ib leeg thiab nrog cov khoom siv dej-soluble polymers (polyvinyl cawv, polyurethane associative thickeners, polyacrylates) thiab ntuj dej-soluble polymers (xanthan gum, carrageenan, locust taum gum);

Kev xaiv ntawm polymer yog txiav txim los ntawm tus nqi / kev ua tau zoo ntawm kev lag luam tawm, muaj, thiab yooj yim ntawm cov khoom hloov kho raws li cov nqi / kev ua tau zoo.

Cellulose ether yog cov hmoov cellulose ether generated nrog ntoo fiber ntau los yog refined luv luv paj rwb fiber ntau raws li cov ntaub ntawv tseem ceeb, tom qab kev kho tshuaj thiab los ntawm cov tshuaj tiv thaiv ntawm etherifying agents xws li chlorinated ethylene, chlorinated propylene thiab oxidized ethylene.

Cov txheej txheem ntawm cellulose ether yog complex.

Cellulose ether pib nrog kev rho tawm ntawm cellulose los ntawm paj rwb lossis ntoo, uas tom qab ntawd hloov mus rau hauv alkaline cellulose tom qab ntxiv sodium hydroxide thiab los ntawm cov tshuaj tiv thaiv (alkaline tov);

Raws li kev ua ntawm etherifying agents (etherification cov tshuaj tiv thaiv), cellulose ethers yog tsim los ntawm alkaline cellulose los ntawm cov txheej txheem xws li ntxuav nrog dej, ziab thiab sib tsoo.

Cellulose ethers yog ib qho tseem ceeb ntawm kev ua tau zoo ntxiv rau niaj hnub cement thiab gypsum-based consumables.

Cellulose ether txhim kho formatting, txhim kho machinability, nce throughput, kev pab them nqi thiab txo cov pov tseg.

Cellulose ether muab ntau yam txiaj ntsig ib txhij; Nws nyob ntawm kev ua haujlwm xws li kev tuav dej, lubrication, nce kev tawg-kho tsis kam, tiv thaiv plam, nce adhesiveness thiab ncua sijhawm qhib.

Cellulose ether ua hauj lwm nrog ib tug pioneering taw tes ntawm view, nruj tswj zoo, kev tswj thiab thawj chav kawm ntawv cov neeg siv kev pab nyob rau hauv R & D.

Cellulose ethers yog high-purity, dej-soluble, non-ionic polymers tsim los siv raws li dej tuav pab, thickening thiab film-forming agents, tiv thaiv colloids, suspending thiab emulsifying agents, binders thiab stabilizers.

Muab los ntawm cellulose, lub ntuj tsim, nplua nuj thiab siv tau dua tshiab, Cellulose ethers tau siv ntau tshaj 50 xyoo los txhim kho cov khoom lag luam hauv kev saib xyuas tus kheej, kev siv tshuaj thiab zaub mov.

Kev siv ntawm Cellulose ether

Kev tu plaub hau;

- tshuaj zawv plaub hau, suav nrog sulfate dawb thiab qis surfactant style formulations

- ntshiab thiab emulsion hom conditioners

- cov styling gels

Pharmaceuticals

-Cellulose ether qib ntawm cov thawj coj hydrophilic matrix yav dhau los pab tsim cov qauv ntawm lub qhov ncauj ruaj khov tswj-tso tawm cov ntaub ntawv .;

-Muaj nyob rau hauv ntau qib kom tau raws li cov kev xav tau ntawm niaj hnub no cov formulations nyuaj, Cellulose ether yog koj cov tshuaj rau kev tswj-tso tawm.

tu tawv nqaij

- tshuaj ntxuav ntsej muag

- kua xab npum

- tshuaj ntxuav tes

- bar xab npum

- da dej additives

- shaving cream thiab gels

APPLICATIONS ntawm Cellulose Ether

-Cellulose Ether (nruab nrab fibers) yog siv nyob rau hauv metabolic txoj kev thiab carbohydrate daim ntaub ntawv.

-Cellulose Ether tau siv los kawm txog biofuel thiab biorefinery daim ntawv thov.

-Cellulose Ether tau siv los tshuaj xyuas biomass hauv cov txheej txheem pyrolysis

-Cellulose Ether tau siv hauv kem chromatography los ntxuav cov kab mob los ntawm cov kab mob erythrocytes thiab cov hlwb dawb

-Cellulose Ether tau siv los ua tus qauv hauv plaub qhov kev hloov pauv infrared spectroscopy (FTIR) los kawm txog cov yam ntxwv ntawm cov kab mob cellulose (BC) tau los ntawm Hestrin-Schramm (HS) nruab nrab

-Cellulose Ether tau siv los ua kev tswj hwm hauv kev tshawb fawb tsiaj ntsig txog kev noj zaub mov los ntsuas cov haujlwm hypocholesterolemic ntawm botryosphaeran

-High purity Cellulose Ether hmoov rau muab faib chromatography.

Cellulose Ether rau kev lag luam siv yog tsuas yog tau los ntawm ntoo pulp thiab paj rwb.

-Cov khoom lag luam: Cellulose Ether yog cov khoom tseem ceeb ntawm cov ntawv, cov ntawv ntawv, thiab daim npav.

-Electrical rwb thaiv tsev ntawv: Cellulose Ether yog siv nyob rau hauv ntau yam ntaub ntawv raws li rwb thaiv tsev nyob rau hauv transformers, cables, thiab lwm yam khoom siv hluav taws xob.

-Fibers: Cellulose Ether yog cov khoom tseem ceeb ntawm textiles.

Cellulose Ether muab lub zog txaus siv los ua cov khoom siv hauv tsev.

Cellulose Ether rwb thaiv tsev ua los ntawm cov ntawv siv dua tshiab tau dhau los ua cov khoom siv zoo ib puag ncig rau lub tsev rwb thaiv tsev.

Cellulose Ether tuaj yeem kho nrog boric acid ua hluav taws kub.

Cellulose Ether yog cov khoom tseem ceeb hauv cov ntawv, ntawv, cov khoom ntoo thiab paj rwb raws li textiles.

Ntau cov khoom lag luam tau tsim thiab tsim los ntawm Cellulose Ether .;

Ntxiv nrog rau cov ntawv-, textile- thiab cov khoom ntoo, uas yog tsim los ntawm ib txwm tshwm sim Cellulose Ether, ntau cov tshuaj hloov kho cellulose tau tsim ntau xyoo.

Thawj cov khoom tsim los ntawm kev hloov kho Cellulose Ether yog nitrocellulose uas tau qhia thaum pib ntawm lub xyoo pua 20th.;

Cellulose Ether feem ntau yog siv rau kev tsim cov pa luam yeeb tsawg dua phom hmoov thiab cov duab thaij duab.

Lwm cov khoom tsim los ntawm tib neeg tau muab los ntawm Cellulose Ether derivatives xws li cellophane, viscose fibers, thiab thickeners rau cov khoom noj khoom haus, tshuaj pleev ib ce thiab tshuaj.

Cellulose Ether tuaj yeem hloov kho los ntawm esterification los ua kom muaj ntau yam cellulose derivatives nrog ntau yam khoom.

Cellulose Ether yog siv los ua cov yeeb yaj kiab cellulose.

Cellulose Ether tau siv los ua daim ntawv txij thaum Suav thawj tsim cov txheej txheem nyob ib ncig ntawm AD 100.;

Cellulose Ether yog cais los ntawm ntoo los ntawm cov txheej txheem pulping uas grinds woodchips nyob rau hauv cov dej ntws.

Lub pulp uas seem yog ces ntxuav, bleached, thiab ncuav tshaj ib vibrating mesh.

Thaum cov dej thaum kawg ntws tawm ntawm cov tawv nqaij, qhov seem yog qhov sib txuas ntawm cov fibers uas, thaum qhuav, nias, thiab smoothed, ua ib daim ntawv.

Cellulose Ether feem ntau yog siv rau hauv cov ntaub ntawv thiab cov ntawv tsim.;

Cov nyiaj me me tau hloov mus rau ntau yam khoom siv, xws li cellophane thiab rayon .;

Kev hloov pauv ntawm Cellulose Ether los ntawm cov qoob loo cog qoob loo rau hauv biofuels xws li cellulosic ethanol ua cov roj txuas txuas ntxiv tau ua tiav.

Cellulose Ether yog siv nyob rau hauv kev noj haus raws li ib tug ntxiv fiber.

Cellulose Ether yog siv los tsim cov ntaub ntawv thiab cov khoom siv ntawv.

Cellulose Ether pab ua ib qho ntxiv hauv ntau yam khoom noj.

Cellulose Ether yog siv los tsim cov rayon.

Cellulose Ether yog siv los ua ib qho tshuaj khaws cia hauv cheese vim nws ua lub luag haujlwm ntawm tus neeg sawv cev tiv thaiv kab mob.

Cellulose Ether yog siv los ua cov khoom tawg.

Cellulose Ether yog siv rau hauv kev tsim cov nitrocellulose.

Cellulose Ether yog qhov tseem ceeb hauv cov ntawv sau ntawv thiab cov ntawv tsim.;

Cellulose Ether muaj txiaj ntsig zoo li lub sijhawm nyob ruaj khov hauv chromatography.

Cellulose Ether yog qhov tseem ceeb ntawm daim ntawv; Kev ua haujlwm ntxiv tuaj yeem ua tau los ua cov cellophane thiab rayon, thiab tsis ntev los no Modal, textile tau los ntawm beechwood cellulose.

Cellulose Ether yog Biopolymer tsim cov phab ntsa ntawm tes ntawm cov ntaub so ntswg.

Cellulose Ether yog npaj los ntawm kev kho cov paj rwb nrog cov kuab tshuaj organic rau de-wax nws thiab tshem cov pectic acids los ntawm kev tshem tawm nrog kev daws ntawm sodium hydroxide .;

Lub hauv paus tseem ceeb ntawm fiber ntau tsim cov phab ntsa ntawm tes ntawm cov ntaub so ntswg (ntoo, paj rwb, flax, nyom, thiab lwm yam);

Kev siv yog nyob ntawm lub zog thiab yooj ntawm nws cov fibers.

Cellulose Ether yog cov biopolymer ntau tshaj plaws hauv ntiaj teb.

Cellulose Ether tshwm sim nyob rau hauv cov nroj tsuag cell phab ntsa thiab nyob rau hauv cov kab mob.

Cov ntaub ntawv uas muaj ntau ntawm Cellulose Ether yog ntoo, ntawv, thiab paj rwb.

Cellulose Ether yog dej-insoluble polysaccharide uas tib neeg zom tsis tau.;

Cellulose Ether yog linear polysaccharide polymer nrog ntau cov piam thaj monosaccharide units.

Qhov sib txuas ntawm acetal yog beta uas ua rau nws txawv ntawm cov hmoov txhuv nplej siab.

Qhov txawv txawv ntawm acetal linkages ua rau muaj qhov sib txawv loj hauv kev zom zaub mov hauv tib neeg.;

Tib neeg tsis muaj peev xwm zom tau Cellulose Ether vim tias tsis muaj cov enzymes tsim nyog los rhuav tshem cov beta acetal linkages.

Indigestible Cellulose Ether yog cov fiber ntau uas pab ua haujlwm zoo ntawm txoj hnyuv.

Cellulose Ether yog ib qho molecule uas muaj cov pa roj carbon, hydrogen, thiab oxygen, thiab muaj nyob rau hauv cellular qauv ntawm txhua yam nroj tsuag.

Cellulose Ether, uas yog suav hais tias yog ntau tshaj plaws nyob rau hauv lub ntiaj teb, yog txawm tawm los ntawm ib co kab mob.

Cellulose Ether muab cov qauv thiab lub zog rau cov phab ntsa ntawm tes ntawm cov nroj tsuag thiab muab fiber ntau hauv peb cov khoom noj.;

Txawm hais tias qee tus tsiaj, xws li ruminants, tuaj yeem zom Cellulose Ether, tib neeg tsis tuaj yeem.

Cellulose Ether poob rau hauv qeb ntawm indigestible carbohydrates hu ua noj fiber ntau.

Cellulose Ether tej zaum yog cov organic ntau tshaj plaws hauv lub ntiaj teb uas feem ntau tsim los ntawm cov nroj tsuag.

Cellulose Ether yog cov khoom siv feem ntau hauv cov tshuaj ntsuab thiab cov ntaub so ntswg.

Cellulose Ether yog lub ntuj ntev saw polymer uas ua lub luag haujlwm tseem ceeb hauv tib neeg cov zaub mov tsis ncaj.;

Cellulose Ether muaj ntau yam siv nyob rau hauv ntau lub lag luam xws li cov khoom noj tsiaj, ntoo thiab ntawv, fibers thiab khaub ncaws, tshuaj pleev ib ce thiab tshuaj industries raws li excipient.;

Cellulose Ether muaj semi-synthetic derivatives uas yog siv dav hauv kev lag luam tshuaj thiab tshuaj pleev ib ce.

Yam khoom yog tus kheej

EC / Sau npe: 618-385-4

CAS Nr .: 9004-58-4

Kev faib tawm thiab kev sau npe ntawm Cellulose Ether

Raws li feem ntau ntawm cov ntawv ceeb toom muab los ntawm cov tuam txhab rau ECHA hauv CLP cov ntawv ceeb toom tsis muaj kev phom sij tau raug cais tawm.

Cellulose Ether tau qhia, hauv 2009, raws li tau npaj los sau npe los ntawm tsawg kawg ib lub tuam txhab hauv EEA.

Cellulose Ether rau qhov kev faib tawm thiab cov ntaub ntawv sau npe tau xa mus rau ECHA hauv kev sau npe hauv REACH lossis ceeb toom los ntawm cov tuam txhab lossis cov neeg xa khoom hauv qab CLP.;

Cov ntawv ceeb toom zoo li no yuav tsum muaj rau cov khoom phom sij, xws li lossis hauv cov khoom sib tov, nrog rau txhua yam khoom raug tso npe, tsis hais txog lawv qhov xwm txheej.

Synonyms:

Cellulose ethyl hydroxyethyl ether

Cellulose, ethyl 2-hydroxyethyl ether

Ethyl-2-hydroxyethylcellulose

ethylhydroxyethyl cellulose

CELLULOSE, ETHYL 2-HYDROXYETHYL ETHER

Cellulose, ethyl 2-hydroxyethyl ether

ETHYL HYDROXYETHYL CELLULOSE

Hydroxyethyl Ethylcellulose

1449582-85-7

37226-58-7

9004-58-4

94700-06-8 : kuv

94700-07-9

DEAE-CELLULOSE

9004-34-6

(6S)-2-(hydroxymethyl)-6-[(3S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol

Diethylaminoethyl cellulose

Cellulose, 2-(diethylamino) ethyl ether

Cellulosepulver

DEAE-Sephacel(R)

Diethylaminoethyl-Sephacel (R)

PEB: 156274