Focus on Cellulose ethers

Waa maxay ether cellulose?

Eter cellulosewaa wax lagu daro oo si weyn looga isticmaalo warshadaha kala duwan, oo ay ku jiraan dhismaha, daawooyinka, daryeelka shakhsi ahaaneed, cuntada, iyo kuwo kale.Waxaa laga soo qaatay cellulose, polymer-ka dabiiciga ah ee laga helo gidaarada unugyada dhirta.Ether-ka Cellulose waxa lagu soo saaraa iyada oo wax ka beddeleysa molecule-ka cellulose iyada oo loo marayo fal-celin kiimikaad, taasoo keentay in la hagaajiyo sifooyinka iyo hawlaha ka dhigaya mid ku habboon codsiyo kala duwan.

Ilaha ugu muhiimsan ee cellulose ee wax soo saarka ganacsiga ee ether cellulose waa saxarka alwaax, inkastoo ilo kale oo ku salaysan dhirta sida suufka iyo beeraha kale ee beeraha sidoo kale la isticmaali karo.Cellulose-ku waxa uu maraa taxane ah daawayn kiimiko ah, oo ay ku jiraan nadiifinta, alkalization, etherification, iyo etherification, si loo soo saaro sheyga ugu dambeeya ee ether-ka cellulose.

Cellulose ether waxay bixisaa dhowr guri oo la jecel yahay oo ka dhigaya mid qiimo leh codsiyo kala duwan:

1.Biyaha milanka:Eter cellulose caadi ahaan waa biyo-milmi kara, taas oo u oggolaanaysa in si fudud loo kala firdhiyo oo lagu daro qaabab kala duwan.Waxay samaysaa xalal cad oo xasiloon oo biyaha ah, taasoo bixisa dhumuc aad u fiican iyo siyaalo xasilin.
2.Beddelka Rheology:Mid ka mid ah faa'iidooyinka ugu muhiimsan ee ether cellulose waa awoodda ay u leedahay in ay wax ka beddesho habdhaqanka socodka iyo viscosity ee dareeraha.Waxay u dhaqmi kartaa sidii wakiil dhumuc leh, oo bixisa joogteynta, texture, iyo xasiloonida alaabta.Iyada oo la hagaajinayo nooca iyo qiyaasta ether cellulose, waxaa suurtagal ah in la gaaro noocyo kala duwan oo viscosities ah, laga bilaabo dareeraha viscosity hoose ilaa jel aad u sarreeya.
3. Samaynta Filimka:Eter cellulose wuxuu samayn karaa filimo marka xal la qalajiyo.Filimadani waa daah-furnaan, dabacsanaan, waxayna leeyihiin awood xajin oo wanaagsan.Waxa loo isticmaali karaa sidii dahaar ilaalineed, xidheyaal, ama matrices codsiyo kala duwan.
4. Haysashada Biyaha:Ether-ka Cellulose waxa uu leeyahay sifooyin biyo-hayn ah oo heersare ah.Codsiyada dhismaha, waxaa loo isticmaali karaa alaabta sibidhka ku salaysan si kor loogu qaado karti-shaqaynta, yaraynta biyaha luminta, iyo hagaajinta habka fuuq-celinta.Tani waxay horseedaa horumar xoog leh, dildilaaca oo yaraada, iyo kor u qaadista adkaysiga shubka ama hoobiye ugu dambeeya.
5.Adhesion iyo xidhidh:Ether Cellulose waxay soo bandhigtaa sifooyin dhejis ah, taasoo ka dhigaysa mid faa'iido leh oo ku xiran codsiyada kala duwan.Waxay kor u qaadi kartaa isku dhejinta udhaxeysa walxo kala duwan ama waxay u dhaqmi kartaa sidii wakiilka xira ee kiniiniyada, granules, ama qaababka budada ah.
6.Xasilloonida Kiimikada:Ether Cellulose waxay u adkeysaneysaa hydrolysis xaaladaha caadiga ah, siinta xasilloonida iyo waxqabadka heerar badan oo pH ah.Tani waxay ka dhigeysaa mid ku haboon in loo isticmaalo aashitada, alkaline, ama jawi dhexdhexaad ah.
7.Xasilloonida kulaylka:Cellulose ether waxay soo bandhigtaa xasillooni kuleyl wanaagsan, taas oo u oggolaanaysa in ay sii haysato hantideeda heerkul ballaaran oo kala duwan.Tani waxay ka dhigaysaa mid ku habboon codsiyada ku lug leh hababka kuleylka ama qaboojinta.

Heerka caanka ah ee ether Cellulose

Ether Cellulose waxaa laga heli karaa darajooyin kala duwan, mid kasta oo leh sifooyin gaar ah iyo sifooyin.Darajooyinka cellulose ether inta badan la isticmaalo waxaa ka mid ah Hydroxypropyl Methylcellulose (HPMC), Methyl Hydroxyethylcellulose (MHEC), Hydroxyethylcellulose (HEC), Carboxymethylcellulose (CMC), Ethylhydrocellulose (CMC) , Ethylcellulose (EC), iyo Methylcellulose (MC).Aynu si faahfaahsan u baadhno fasal kasta:

1.Hydroxypropyl Methylcellulose (HPMC):

HPMC waa mid ka mid ah ether-ka cellulose-ka aadka loo isticmaalo.Waxaa laga soo qaatay cellulose iyada oo loo marayo beddelaad kiimikaad leh propylene oxide iyo methyl chloride.HPMC waxay caan ku tahay xajinta biyaha, dhumucdooda, iyo samaynta filimada.Waxay bixisaa karti shaqo oo heer sare ah, adhesion wanagsan, iyo waqti dheer oo furan codsiyada dhismaha sida hoobiyeyaasha qallalan, xabagta tile, iyo samaynta sibidhka.Warshadaha dawooyinka, HPMC waxa loo istcimaalaa xidhe ahaan, filim hore, iyo wakiilka la xakameeyey ee qaabaynta kiniinka.
2.Methyl Hydroxyethylcellulose (MHEC):

MHEC waa grade ether cellulose ah oo ay soo saarto ka falcelinaysa cellulose leh methyl chloride iyo ethylene oxide.Waxay siisaa guryaha la midka ah HPMC laakiin leh awoodaha haynta biyaha oo la xoojiyey.Waxaa caadi ahaan loo isticmaalaa xabagyada tile, grouts, iyo alaabta sibidhka ku salaysan halkaas oo la wanaajiyey shaqaynta, haynta biyaha, iyo ku dheggan loo baahan yahay.MHEC waxa kale oo ay ka heshaa codsiga warshadaha dawooyinka sida xidhe iyo wakiilka filim samaynta ee qaabaynta kiniinka.
3.Hydroxyethylcellulose (HEC):

HEC waxaa laga soo qaatay cellulose iyada oo lagu daro kooxaha ethylene oxide.Waa biyo-milmi kara waxayna bixisaa dhumuc aad u fiican iyo guryaha xakamaynta rheology.HEC waxaa caadi ahaan loo isticmaalaa alaabta daryeelka shakhsi ahaaneed, sida shaambooyinka, qaboojiyaha, iyo labeennada, si loo bixiyo viscosity, kor loogu qaado xasilloonida xumbo, iyo horumarinta sifooyinka dareenka.Waxa kale oo loo shaqeeyaa sidii dhumuc iyo xidhaha rinjiyada, dahaarka, iyo xabagta.

4.Carboxymethylcellulose (CMC):

CMC waxaa lagu soo saaraa iyada oo la falcelinaysa cellulose leh sodium monochloroacetate si ay u soo bandhigto kooxaha karboksiimeyl ee silsiladda cellulose.CMC waa mid aad u biyo-milmi kara waxayna muujisaa dhumuc aad u wanaagsan, xasilin, iyo sifooyin samaynta filim.Waxaa caadi ahaan loo isticmaalaa warshadaha cuntada sidii dhumuc, xasiliye, iyo emulsifier oo ah badeecooyin kala duwan, oo ay ku jiraan caanaha, rootiga, suugada, iyo cabitaanada.CMC waxa kale oo ay ka shaqeysaa dawooyinka, daryeelka shakhsi ahaaneed, iyo warshadaha dharka.

5.Ethyl Hydroxyethylcellulose (EHEC):

EHEC waa fasalka ether-ka cellulose kaas oo isku daraa sifooyinka ethyl iyo hydroxyethyl.Waxay bixisaa dhumuc la xoojiyay, xakamaynta rheology, iyo awoodaha xajinta biyaha.EHEC waxaa caadi ahaan loo isticmaalaa daaha-ku-saleysan biyaha, xabagta, iyo qalabka dhismaha si loo hagaajiyo shaqada, caabbinta sag, iyo sameynta filimada.
6.Ethylcellulose (EC):

EC waa eter-ka cellulose-ka aan-ionic ahayn kaas oo ugu horreyn lagu isticmaalo warshadaha dawooyinka iyo daahan.Waa mid aan lagu milmi karin biyaha laakiin waxay ku milmaan dareerayaasha organic.EC waxay bixisaa sifooyin filim samaynta, taasoo ka dhigaysa mid ku habboon nidaamyada gudbinta daroogada la xakameeyey, dahaarka gudaha, iyo dahaarka xannibaadda.Waxa kale oo ay ka shaqeysaa soo saarista khadadka khaaska ah, lacquers, iyo adhesives.
7.Methylcellulose (MC):

MC waxaa laga soo qaatay cellulose iyada oo lagu daro kooxaha methyl.Waa biyo-milmi kara waxayna soo bandhigtaa filim samaynta, dhumucdeeda, iyo sifooyin wax-soosaar heersare ah.MC waxa caadi ahaan loogu isticmaalaa warshadaha dawooyinka sidii xidhe, kala daadsan, iyo wax ka beddelka viscosity ee qaabaynta kiniinka.Waxa kale oo looga faa'iidaystaa warshadaha cuntada sidii dhumuc, dejiye, iyo emulsifier ee alaabooyin kala duwan.
Darajooyinka ether-ka cellulose-ku waxay bixiyaan hawlo badan oo kala duwan waxaana lagu doortaa iyadoo lagu salaynayo shuruudaha gaarka ah ee codsi kasta.Waxaa muhiim ah in la ogaado in fasal kasta uu yeelan karo tilmaamo kala duwan iyo sifooyin waxqabad, oo ay ku jiraan viscosity, miisaanka kelli, heerka beddelka, iyo heerkulka jel.Soo-saareyaashu waxay bixiyaan xaashiyo xog farsamo iyo tilmaamo si ay gacan uga geystaan ​​xulashada darajada ku habboon habayn ama codsi gaar ah.

darajooyinka ether cellulose sida HPMC, MHEC, HEC, CMC, EHEC, EC, iyo MC waxay leeyihiin sifooyin kala duwan waxaana loo isticmaalaa warshado kala duwan.Waxay bixiyaan haynta biyaha, dhumucyada, samaynta filimada, dhejinta, iyo guryaha xasiloonida.Darajooyinka ether-ka cellulose-ku waxay door muhiim ah ka ciyaaraan qalabka dhismaha, daawooyinka, alaabta daryeelka shakhsi ahaaneed, cuntada, rinjiga iyo dahaarka, xabagta, iyo wax ka badan, oo gacan ka geysta waxqabadka iyo shaqeynta noocyo kala duwan oo qaabab iyo alaabooyin ah.

https://www.kimachemical.com/news/what-is-cellulose-ether/

Cellulose ether waxay helaysaa codsiyo ballaaran oo ku saabsan warshadaha kala duwan:

1.Construction Industry: Dhismaha, ether cellulose waxaa loo isticmaalaa sida wax lagu daro muhiimka ah ee hoobiyeyaasha drymix, xabagta dhoobada, grouts, cement-celinta, iyo isku-darka isku-dhafka ah.Waxay xoojisaa karti-u-shaqayneed, haynta biyaha, ku-dhejinta, iyo adkeysiga alaabtan.Intaa waxaa dheer, ether cellulose waxay wanaajisaa waxqabadka nidaamyada kuleylka dibadeed ee kuleylka (ETICS) iyada oo kordhinaysa dhejinta iyo dabacsanaanta hoobiyeyaasha koollada.

2. Warshadaha Daawooyinka: Cellulose ether waxaa si weyn loogu isticmaalaa habaynta dawooyinka.Waxay u shaqeysaa sidii xire, kala daadsan, iyo wakiilka siideynta la xakameeyey ee qaabaynta kiniinka.Waxay bixisaa adkeysi kiniin ah oo la roonaaday, si degdeg ah u burbursan, iyo sifooyin la xakameeyey.Intaa waxaa dheer, ether cellulose sidoo kale waxaa loo isticmaali karaa sidii wax ka beddelka viscosity ee qaababka dareeraha, ganaaxyada, iyo emulsions.

3.Daryeelka Shakhsiyeed iyo Qurxinta: Alaabooyinka daryeelka shakhsi ahaaneed, ether cellulose waxaa loo shaqeeyaa sidii wakiilka dhumuc, xasiliye, iyo wakiilka filim samaynta.Waxay siisaa qaab-dhismeed la doonayo iyo sifooyinka rheological ee kiriimyada, labeennada, jelka, shaambada, iyo hababka kale ee daryeelka shakhsi ahaaneed.Eter cellulose waxay caawisaa hagaajinta xasiloonida, faafinta, iyo guud ahaan waayo-aragnimada dareenka alaabtan.Waxa kale oo ay kor u qaadi kartaa tayada xumbo ee hababka nadiifinta.

4.Food Industry: Cellulose ether waxaa loo isticmaalaa in warshadaha cuntada sida wakiilka dhumuc, emulsifier, stabilizer, iyo kabka cuntada.Waxay wanaajin kartaa qaabka, dareenka afka, iyo nolosha shelf ee alaabta cuntada.Eter cellulose waxaa caadi ahaan loo isticmaalaa dhaymada saladhka, suugada, buuxinta roodhida, macmacaanka la qaboojiyey, iyo hababka cuntada dufanku ku yar yahay ama kaloriyada yar.

5. Rinjiyeynta iyo Dahaarka: ether-ka Cellulose waxa lagu isticmaalaa rinjiyada iyo dahaarka sida beddelka rheology iyo wakiilka dhumucdooda.Waxay gacan ka geysataa xakamaynta viscosity, socodka, iyo sifooyinka siman ee dahaarka.Ether-ka Cellulose waxa kale oo ay wanaajisaa xasiloonida iyo kala firdhisanaanta midabada iyo buuxinta qaababka rinjiga.

6.Adhesives and Sealants: Cellulose ether waxay ka heshaa codsiga xabagta iyo shaabadaynta si ay kor ugu qaaddo viscosity, adhesion, iyo dabacsanaan.Waxay wanaajisaa karti-shaqsiyeedka iyo xajinta hab-samaynta, taasoo awood u siinaysa isku-xidhka wax ku oolka ah ee agabyada kala duwan.

7.Oil and Gas Industry: Cellulose ether waxaa loo isticmaalaa qodista dareeraha iyo dareerayaasha dhamaystirka ee warshadaha saliidda iyo gaaska.Waxay bixisaa xakamaynta viscosity, yaraynta luminta dareeraha, iyo guryaha xannibaadda.Eter cellulose waxay caawisaa ilaalinta xasiloonida iyo waxqabadka dareeraha qodista ee xaaladaha adag.

8. Warshadaha Dharka: Warshadaha dharka, ether cellulose waxaa loo shaqeeyaa sida wakiilka dhumuc ee daabacaadda dharka.Waxay wanaajisaa joogteynta, qulqulka, iyo wareejinta midabka ee dhejisyada daabacaadda, hubinta labbiska iyo daabacadaha firfircoon.

Waxaa muhiim ah in la ogaado in ay jiraan noocyo iyo darajooyin kala duwan ee ether cellulose ah oo laga heli karo suuqa, mid kasta oo leh hanti gaar ah iyo codsiyo.Doorashada ether-ka cellulose waxay kuxirantahay isticmaalka loogu talagalay, sifooyinka waxqabadka ee la rabo, iyo waafaqsanaanta maaddooyinka kale ee qaabeynta.

Marka la soo koobo, ether cellulose waa wax lagu daro oo ka soo jeeda cellulose.Waxay bixisaa milanka biyaha, wax ka beddelka rheology, samaynta filimada, haynta biyaha, adhesion, iyo xasiloonida kulaylka.Cellulose ether waxay ka heshaa codsiyada dhismaha, daawooyinka, daryeelka shakhsi ahaaneed, cuntada, rinjiyada iyo dahaarka, xabagta, saliidda iyo gaasta, iyo warshadaha dunta.Hantideeda kala duwani waxay ka dhigtaa walxo qiimo leh oo lagu hagaajinayo waxqabadka, xasiloonida, iyo shaqeynta noocyo kala duwan oo alaabooyin ah oo kala duwan.

KimaCell Cellulose ether liiska alaabta


Waqtiga boostada: Dec-02-2021
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