Carboxymethylcellulose (CMC) le starch ka bobeli ke li-polysaccharide, empa li na le meaho, thepa le lits'ebetso tse fapaneng.
Sebopeho sa limolek'hule:
1. Carboxymethylcellulose (CMC):
Carboxymethylcellulose ke setlolo se tswang ho cellulose, polymer e otlolohileng e bopilweng ka diyuniti tsa glucose tse hokahantsweng ke dibonto tsa β-1,4-glycosidic. Phetoho ya cellulose e kenyelletsa ho kenngwa ha dihlopha tsa carboxymethyl ka etherification, e leng se hlahisang carboxymethylcellulose. Sehlopha sa carboxymethyl se etsa hore CMC e qhibilihe ka metsing mme se fa polymer thepa e ikgethang.
2. Setache:
Setache ke k'habohaedreite e entsoeng ka diyuniti tsa glucose tse hokahantsweng ke dibonto tsa α-1,4-glycosidic. Ke polymer ya tlhaho e fumanwang dimeleng e sebediswang e le motsoako wa polokelo ya matla. Dimolekhule tsa setache ka kakaretso di bopilwe ka mefuta e mmedi ya di-polymer tsa glucose: amylose (diketane tse otlolohileng) le amylopectin (dibopeho tsa ketane tse nang le makala).
Thepa ea 'mele:
1. Carboxymethylcellulose (CMC):
Ho qhibiliha ha metsi: CMC e qhibiliha ka metsing ka lebaka la boteng ba lihlopha tsa carboxymethyl.
Ho teteana: E na le ho teteana ho hoholo tharollong, e leng se etsang hore e be ea bohlokoa lits'ebetsong tse fapaneng tse kang ts'ebetso ea lijo le meriana.
Ponaletso: Litharollo tsa CMC hangata li bonaletsa.
2. Setache:
Ho qhibiliha: Setache sa tlhaho ha se qhibilihe ka metsing. Se hloka gelatinization (ho futhumatsoa ka metsing) hore se qhibilihe.
Ho tsikinyeha: Setache sa starch se na le ho tsikinyeha, empa hangata se tlase ho feta CMC.
Ho hlaka: Li-starch paste li atisa ho ba tse sa bonahaleng, 'me tekanyo ea ho se bonahale e ka fapana ho latela mofuta oa starch.
mohloli:
1. Carboxymethylcellulose (CMC):
Hangata CMC e etsoa ka cellulose ho tsoa mehloling ea limela tse kang pulp ea lehong kapa k'hothone.
2. Setache:
Limela tse kang poone, koro, litapole le raese li na le starch e ngata. Ke motsoako o ka sehloohong lijong tse ngata tsa mantlha.
Tshebetso ea Tlhahiso:
1. Carboxymethylcellulose (CMC):
Tlhahiso ea CMC e kenyelletsa karabelo ea etherification ea cellulose ka chloroacetic acid sebakeng sa alkaline. Karabelo ena e fella ka ho nkeloa sebaka ha lihlopha tsa hydroxyl ka har'a cellulose ka lihlopha tsa carboxymethyl.
2. Setache:
Ho ntšoa ha starch ho kenyelletsa ho qhaqha lisele tsa limela le ho arola li-granule tsa starch. Starch e ntšoang e ka feta lits'ebetsong tse fapaneng, ho kenyeletsoa le phetoho le gelatinization, ho fumana litšobotsi tse lakatsehang.
Morero le ts'ebeliso:
1. Carboxymethylcellulose (CMC):
Indasteri ea lijo: CMC e sebelisoa e le setefatsi, se tiisang le se kopanyang lijo tse fapaneng.
Meriana: Ka lebaka la thepa ea eona ea ho tlama le ho qhalana, e sebelisoa mefuteng ea meriana.
Ho Cheka Oli: CMC e sebediswa marong a ho tjheka oli ho laola rheology.
2. Setache:
Indasteri ea lijo: Setache ke karolo e ka sehloohong ea lijo tse ngata 'me se sebelisoa e le sesebelisoa sa ho teteana, sesebelisoa sa ho etsa jeli le sesebelisoa sa ho tsitsisa.
Indasteri ea masela: Setache se sebelisoa ho etsa boholo ba masela ho tiisa masela.
Indasteri ea pampiri: Setache se sebelisoa ho etseng pampiri ho eketsa matla a pampiri le ho ntlafatsa litšobotsi tsa bokaholimo.
Leha CMC le starch ka bobeli e le li-polysaccharide, li na le liphapang tsa sebopeho sa limolek'hule, thepa ea 'mele, mehloli, lits'ebetso tsa tlhahiso le ts'ebeliso. CMC e qhibiliha ka metsing ebile e tiile haholo 'me hangata e khethoa lits'ebetsong tse hlokang litšobotsi tsena, ha starch e le polysaccharide e feto-fetohang e sebelisoang haholo indastering ea lijo, masela le pampiri. Ho utloisisa liphapang tsena ho bohlokoa ho khetheng polymer e loketseng lits'ebetsong tse itseng tsa indasteri le tsa khoebo.
Nako ea poso: Pherekhong-12-2024