Disspersibility ea Carboxymethyl cellulose

The dispersibility ea carboxymethyl cellulose ke hore sehlahisoa se tla senyeha ka metsing, kahoo dispersibility ea sehlahisoa le eona e fetohile mokhoa oa ho ahlola ts'ebetso ea eona. A re ithute haholoanyane ka eona:

1) Metsi a itseng a eketsoa tsamaisong ea ho qhalakanngoa e fumanoeng, e ka ntlafatsang ho qhalana ha likaroloana tsa colloidal ka metsing, 'me hoa hlokahala ho etsa bonnete ba hore palo ea metsi a ekelitsoeng e ke ke ea qhaqha colloid.

2) Hoa hlokahala ho qhala likaroloana tsa colloidal ka har'a sepakapaka se tsamaisang metsi se kopantsoeng ka metsing, se sa keneng ka har'a li-gel tse qhibilihang ka metsing kapa ntle le metsi, empa se tlameha ho ba kholo ho feta boholo ba likaroloana tsa colloidal e le hore li ka qhalakanngoa ka botlalo. . Ke lino tse tahang tsa monohydric tse kang methanol le ethanol, ethylene glycol, acetone, joalo-joalo.

3) Letsoai le qhibilihang ka metsi le lokela ho kenngoa ho mokelikeli o tsamaisang, empa letsoai le ke ke la itšoara ka colloid. Mosebetsi oa eona o ka sehloohong ke ho thibela gel e qhibilihang ka metsi hore e se ke ea etsa pente kapa ho kopanya le pula ha e phomotse. Hangata e sebelisoa ke sodium chloride joalo-joalo.

4) Hoa hlokahala ho kenyelletsa moemeli ea emisang mokelikeli oa sejari ho thibela ts'ebetso ea pula ea gel. Moemeli ea ka sehloohong oa ho emisa e ka ba glycerin, hydroxypropyl methylcellulose, joalo-joalo Moemeli oa ho emisa o lokela ho qhibiliha ka har'a mokelikeli oa metsi mme o lumellane le colloid. Bakeng sa cellulose ea carboxymethyl, haeba glycerol e sebelisoa e le ntho e emisang, tekanyo e tloaelehileng e ka ba 3% -10% ea mokelikeli o tsamaisang.

5) Ts'ebetsong ea alkalization le etherification, li-surfactants tsa cationic kapa nonionic li lokela ho eketsoa, ​​​​'me li lokela ho qhibiliha ka har'a mokelikeli oa metsi hore o lumellane le li-colloids. Li-surfactants tse sebelisoang ka tloaelo ke lauryl sulfate, glycerin Monoester, propylene glycol fatty acid ester, tekanyo ea eona e ka bang 0.05% -5% ea mokelikeli o tsamaisang thepa.


Nako ea poso: Nov-04-2022