Focus on Cellulose ethers

Sidee ayuu CMC door uga ciyaara soo saarista dhoobada

Sidee ayuu CMC door uga ciyaara soo saarista dhoobada

Sodium carboxymethyl cellulose (CMC) waxa ay door muhiim ah ka ciyaartaa wax soo saarka dhoobada, gaar ahaan farsamaynta dhoobada iyo qaabaynta.Waa kan sida CMC looga faa'iidaysto marxaladaha kala duwan ee wax soo saarka dhoobada:

  1. Isku-xidhka Jidhka dhoobada: CMC waxaa caadi ahaan loo isticmaalaa sida xidhe ee maydadka dhoobada ama qaababka cagaarka.Budada dhoobada ah, sida dhoobada ama alumina, ayaa lagu qasaa biyo iyo CMC si ay u sameeyaan cuf balaastik ah oo la qaabeyn karo ama loo qaabeyn karo qaababka la rabo, sida tiles, lebenka, ama dheryaha.CMC waxay u shaqeysaa sidii xire ku meel gaar ah, isaga oo isku haya walxaha dhoobada ah inta lagu jiro marxaladaha qaabeynta iyo qalajinta.Waxay siisaa isku-xidhnaanta iyo caagagga xajmiga dhoobada, taas oo u oggolaanaysa in si sahlan loo maareeyo iyo samaynta qaabab adag.
  2. Balaastiijiyaha iyo wax ka beddelka Rheology: CMC waxay u adeegtaa sidii caag-sameeyaha iyo rheology wax ka beddelka dhoobada dhoobada ah ama silbashooyinka loo isticmaalo shubista, shubista silbashada, ama hababka extrusion.CMC waxay wanaajisaa sifooyinka socodka iyo kartida shaqo ee hakinta dhoobada, yaraynta viscosity iyo xoojinta dheecaanka.Tani waxay fududaynaysaa shubista ama u qaabaynta dhoobada ee caaryada ama dhinta, hubinta buuxinta labbiska iyo cilladaha ugu yar ee alaabta ugu dambeysa.CMC waxay sidoo kale ka hortagtaa kala-saarid ama dejinta walxaha dhoobada ah ee hakinta, ilaalinta xasiloonida iyo isku-dhafka inta lagu jiro farsamaynta.
  3. Deflocculant: farsamaynta dhoobada, CMC waxay u shaqeysaa sidii daadiye si ay u kala firdhiso una dejiso walxaha dhoobada ah ee ku jira hakinta biyaha leh.Unugyada CMC waxay ku qulqulaan dusha sare ee walxaha dhoobada ah, iyaga oo iska celinaya midba midka kale oo ka hortagaya qulqulka ama qulqulka.Tani waxay horseedaysaa kala firdhinta iyo xasilloonida hakinta, taasoo awood u siinaysa qaybinta isku midka ah ee walxaha dhoobada ah ee slurries ama silbashooyinka tuurista.Ka joojinta la nadiifiyey waxay soo bandhigaysaa dareere ka wanaagsan, muuqashada oo yaraatay, iyo waxqabadka shubista oo la xoojiyey, taasoo keentay dhoobo tayo sare leh oo leh qaab-dhismeedyo yaryar oo isku mid ah.
  4. Wakiilka Gubashada Binder: Inta lagu jiro toogashada ama sifaynta ee ceramic greenware, CMC waxay u adeegtaa sida wakiilka gubista.CMC waxa uu maraa kuleyl kuleyl ah ama pyrolysis heerkul sare ah, isaga oo ka tagaya hadhaaga kaarboon-aceous kaas oo fududeeya ka saarida xirmooyinka organic ee jirka dhoobada.Habkan, oo loo yaqaan gubashada binder ama debinding, waxay meesha ka saaraysaa qaybaha organic ka ah dhoobada cagaaran, ka hortagga cilladaha sida dildilaaca, warping, ama porosity inta lagu jiro rasaas.Hadhaaga CMC waxa kale oo ay gacan ka geystaan ​​samaynta daldaloolada iyo kobcinta gaaska, kor u qaadista cufnaanta iyo xoojinta walxaha dhoobada inta lagu jiro sinjiga.
  5. Xakamaynta Porosity: CMC waxa loo isticmaali karaa in lagu xakameeyo porosity-ga iyo qaab-dhismeedkooda yar-yar ee ceramics iyada oo saamaynaysa qalajinta qalajinta iyo habdhaqanka yaraynta ee agabka cagaaran.Iyada oo la hagaajinayo diiradda CMC ee hakinta dhoobada, wax-soo-saarayaashu waxay hagaajin karaan heerka qalajinta iyo heerka dhimista dhoobada cagaaran, hagaajinta qaybinta daloolka iyo cufnaanta alaabta ugu dambeysa.Porosity la xakameeyey ayaa lama huraan u ah in la gaaro makaanikada, kulaylka, iyo guryaha korantada ee ceramics ee codsiyada gaarka ah, sida xuubabka sifaynta, taageereyaasha kicinta, ama dahaarka kulaylka.

sodium carboxymethyl cellulose (CMC) waxay door muhiim ah ka ciyaartaa wax soo saarka dhoobada iyadoo u adeegaysa sida xidhe, balaastiiste, deflocculant, wakiilka gubashada, iyo wakiilka xakamaynta porosity.Guryaha kala duwani waxay gacan ka geystaan ​​farsamaynta, qaabaynta, iyo tayada dhoobada, taas oo awood u siinaysa soo saarista alaabada dhoobada ah ee waxtarka leh ee leh guryaha loogu talagalay codsiyada warshadaha kala duwan.


Waqtiga boostada: Mar-07-2024
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