Polyanionic Cellulose (PAC) ma Sodium Carboxymethyl Cellulose (CMC)

Polyanionic Cellulose (PAC) ma Sodium Carboxymethyl Cellulose (CMC)

Polyanionic cellulose (PAC) ma le sodium carboxymethyl cellulose (CMC) o mea uma e lua o le cellulose o loʻo faʻaaogaina lautele i alamanuia eseese mo lo latou mafiafia, faʻamautu, ma mea faʻapitoa.A'o latou fefa'asoaa'i ni mea e tutusa ai, e iai fo'i a latou 'ese'esega ma'oti i tulaga o vaila'au, meatotino, ma fa'aoga.Ole fa'atusatusaga lea ile va ole PAC ma le CMC:

  1. Fa'atonuga vaila'au:
    • PAC: Polyanionic cellulose o se vai-soluble polymer e maua mai le cellulose e ala i le faʻaofiina o le carboxymethyl ma isi vaega anionic i luga o le cellulose tua.O lo'o i ai le tele o vaega carboxyl (-COO-) i luga o le filifili cellulose, ma fa'atupu ai le anionic.
    • CMC: Sodium carboxymethyl cellulose o se vai-soluble polymer e maua mai le cellulose, ae o loʻo feagai ma se faʻagasologa faʻapitoa carboxymethylation, e mafua ai le suia o vaega hydroxyl (-OH) ma vaega carboxymethyl (-CH2COONa).O le CMC e masani ona i ai ni vaega itiiti o carboxyl fa'atusatusa i le PAC.
  2. Natura Ionic:
    • PAC: Polyanionic cellulose e maualuga le anionic ona o le i ai o le tele o vaega carboxyl i luga o le filifili cellulose.O lo'o fa'aalia ai mea malolosi e fesuia'i aiona ma e masani ona fa'aaogaina e fai ma sui o le fa'amama fa'amama ma le fa'aliliuina o le rheology i vai eli vai.
    • CMC: Sodium carboxymethyl cellulose o le anionic foi, ae o lona tikeri o le anionicity e faalagolago i le tikeri o le suitulaga (DS) o vaega carboxymethyl.O le CMC e masani ona faʻaaogaina e avea o se mafiafia, faʻamautu, ma le viscosity modifier i faʻaoga eseese, e aofia ai meaʻai, vailaʻau, ma mea tau tausiga a le tagata lava ia.
  3. Viscosity ma Rheology:
    • PAC: O le polyanionic cellulose e fa'aalia ai le maualuga o le viscosity ma le fa'amama fa'amama i le vaifofo, ma fa'amalosia e avea o se mafiafia ma fa'afouina le rheology i sua viliina ma isi mea fa'apisinisi.E mafai e le PAC ona tatalia le maualuga o le vevela ma le maualuga o le salinity o loʻo faʻafeiloaʻi i galuega ole suauʻu.
    • CMC: Sodium carboxymethyl cellulose o loʻo faʻaalia foi le viscosity ma le rheology modification properties, ae o lona viscosity e masani ona maualalo pe a faʻatusatusa i le PAC.O le CMC e sili atu ona mautu ma pseudoplastic fofo, e talafeagai mo le tele o faʻaoga, e aofia ai meaʻai, mea teuteu, ma vailaʻau.
  4. Talosaga:
    • PAC: Polyanionic cellulose o lo'o fa'aaoga muamua i le suau'u ma le kesi alamanuia e avea o se su'esu'ega e fa'atonutonu ai le filiga, fa'aliliuga o le rheology, ma le fa'aitiitia o le sua i le su'eina o vai.E faʻaaogaina foʻi i isi mea faʻapisinisi e pei o mea faufale ma faʻaleleia le siosiomaga.
    • CMC: Sodium carboxymethyl cellulose o loʻo i ai le tele o faʻaoga i pisinisi eseese, e aofia ai meaʻai ma meainu (e pei o se mafiafia ma faʻamautu), vailaʻau (e pei o se fusifusia ma faʻamaʻi), mea e teu ai le tagata lava ia (e pei o se rheology modifier), textiles (e pei o se sizing agent) , ma le gaosiga o pepa (e pei o se pepa faaopoopo).

ae o le polyanionic cellulose (PAC) ma le sodium carboxymethyl cellulose (CMC) o mea e maua mai i le cellulose ma meatotino anionic ma faʻaoga tutusa i nisi o alamanuia, e iai a latou eseesega maʻoti i tulaga o vailaʻau, meatotino, ma faʻaoga faʻapitoa.O le PAC o loʻo faʻaaogaina muamua i le suauʻu ma le kesi alamanuia, aʻo maua e le CMC faʻaoga lautele i meaʻai, vailaʻau, tausiga a le tagata lava ia, ie, ma isi pisinisi.


Taimi meli: Feb-11-2024