Cellulose ether ke polymer e seng ea ionic e entsoeng ka semi-synthetic, e qhibilihang ka metsing le e qhibilihang ka ho feletseng. E na le litlamorao tse fapaneng indastering e fapaneng. Mohlala, thepa ea kaho ea lik'hemik'hale, e na le litlamorao tse latelang tse kopaneng:
①Sesebediswa sa ho boloka metsi, ②Se tenya, ③Thepa ya ho lekanya, ④Thepa ya ho etsa filimi, ⑤Setlama
Indastering ea polyvinyl chloride, ke emulsifier le dispersant; indastering ea meriana, ke binder le thepa ea moralo oa ho lokolla butle le e laoloang, jj. Hobane cellulose e na le litlamorao tse fapaneng tsa motsoako, ts'ebeliso ea eona Tšimo le eona ke e pharaletseng ka ho fetisisa. Ka mor'a moo, ke tla tsepamisa maikutlo tšebelisong le ts'ebetsong ea cellulose ether lisebelisoa tse fapaneng tsa kaho.
ka pente ea latex
Indastering ea pente ea latex, ho khetha hydroxyethyl cellulose, tlhaloso e akaretsang ea viscosity e lekanang ke 30000-50000cps, e tsamaellanang le tlhaloso ea HBR250, 'me tekanyo ea litšupiso hangata e ka ba 1.5‰-2‰. Mosebetsi o ka sehloohong oa hydroxyethyl penteng ea latex ke ho teteana, ho thibela ho hasana ha pigment, ho thusa ho hasana ha pigment, botsitso ba latex, le ho eketsa viscosity ea likarolo, e leng se tlatsetsang ts'ebetsong ea ho leka-lekanya ea kaho: Hydroxyethyl cellulose e bonolo ho e sebelisa. E ka qhibilihisoa ka metsing a batang le metsing a chesang, 'me ha e angoe ke boleng ba pH. E ka sebelisoa ka mokhoa o sireletsehileng pakeng tsa boleng ba PI 2 le 12. Mekhoa ea tšebeliso ke e latelang:
I. Eketsa ka ho toba tlhahisong
Bakeng sa mokhoa ona, mofuta oa hydroxyethyl cellulose o liehang o lokela ho khethoa, 'me ho sebelisoe hydroxyethyl cellulose e nang le nako ea ho qhibiliha ea metsotso e fetang 30. Mehato ke e latelang: ① Kenya metsi a hloekileng a itseng ka setshelong se nang le agitator e nang le ho cheka ho hoholo ② Qala ho hlohlelletsa khafetsa ka lebelo le tlase, 'me ka nako e ts'oanang u kenye sehlopha sa hydroxyethyl butle-butle ka har'a tharollo ka ho lekana ③Tsoela pele ho hlohlelletsa ho fihlela lisebelisoa tsohle tsa granular li kolobisitsoe ④Kenya lintho tse ling tse eketsang le lintho tse ling tsa motheo, jj. ⑤ Hlohlelletsa ho fihlela lihlopha tsohle tsa hydroxyethyl li qhibiliha ka botlalo, ebe u eketsa likarolo tse ling ka har'a foromo 'me u sila ho fihlela sehlahisoa se felile.
2. E na le joala ba 'm'e bakeng sa tšebeliso ea morao
Mokhoa ona o ka khetha mofuta oa hang-hang, 'me o na le cellulose e khahlanong le hlobo. Molemo oa mokhoa ona ke hore o na le ho tenyetseha ho hoholo 'me o ka eketsoa ka ho toba penteng ea latex. Mokhoa oa ho lokisa o tšoana le mehato ea ①-④.
3. E etse motoho bakeng sa tšebeliso ea morao
Kaha ditharollo tsa tlhaho ha di na ditharollo tse ntle (tse sa qhibiliheng) bakeng sa hydroxyethyl, ditharollo tsena di ka sebediswa ho etsa motoho. Ditharollo tsa tlhaho tse sebediswang haholo ke dieledi tsa tlhaho tse hlahisitsweng ka pente ya latex, tse kang ethylene glycol, propylene glycol, le di-agent tse etsang filimi (tse kang diethylene glycol butyl acetate). Porridge ya hydroxyethyl cellulose e ka eketswa ka ho toba penteng. Tswela pele ho hlohlelletsa ho fihlela e qhibilihile ka botlalo.
ka putty
Hona jwale, metseng e mengata naheng ya heso, putty e sa keneleng metsi le e sa senyeheng tikolohong e se e ananelwa haholo ke batho. E hlahiswa ke karabelo ya acetal ya vinyl alcohol le formaldehyde. Ka hona, thepa ena e tloswa butle-butle ke batho, mme dihlahiswa tsa letoto la ether ya cellulose di sebedisetswa ho nkela thepa ena sebaka. Ke hore, bakeng sa ntshetsopele ya thepa ya kaho e sa senyeheng tikoloho, cellulose ke yona feela thepa hona jwale.
Putty e sa keneleng metsi, e arotsoe ka mefuta e 'meli: putty ea phofo e omileng le putty paste. Har'a mefuta ena e 'meli ea putty, methyl cellulose le hydroxypropyl methyl li lokela ho khethoa. Tlhaloso ea viscosity ka kakaretso e pakeng tsa 40000-75000cps. Mesebetsi e meholo ea cellulose ke ho boloka metsi, ho kopanya le ho tlotsa.
Kaha diforomo tsa putty tsa bahlahisi ba fapaneng di fapane, tse ding ke calcium e putsoa, calcium e bobebe, samente e tshweu, jj., mme tse ding ke phofo ya gypsum, calcium e putsoa, calcium e bobebe, jj., kahoo dibopeho, viscosity le ho kenella ha cellulose diforomong tsena tse pedi le tsona di fapane. Palo e ekeditsweng e ka ba 2‰-3‰.
Nako ea poso: Hlakola-04-2023