Cellulose etherke polymer ea non-ionic semi-synthetic e phahameng ea molek'hule, e qhibilihang ka metsing ebile e qhibiliha. E na le litlamorao tse fapaneng liindastering tse fapaneng. Mohlala, ka thepa ea kaho ea lik'hemik'hale, e na le litlamorao tse latelang tse kopaneng:
① Setsi sa ho boloka metsi, ②Thickener, ③Leveling, ④Thepa ea ho etsa filimi,
⑤Binder
Ka indasteri ea polyvinyl chloride, ke emulsifier le dispersant; indastering ea meriana, ke setlamo le lisebelisoa tsa moralo o liehang le o laoloang, joalo-joalo Hobane selulose e na le liphello tse sa tšoaneng tse kopantsoeng, ts'ebeliso ea eona Tšimo e boetse e pharaletseng ka ho fetisisa. Ka mor'a moo, ke tla tsepamisa maikutlo ho sebelisoa le ho sebetsa ha cellulose ether ka thepa e sa tšoaneng ea mohaho.
In pente ea latex
Ka indasteri ea pente ea latex, ho khetha selulose ea hydroxyethyl, tlhaloso e akaretsang ea viscosity e lekanang ke 30000-50000cps, e lumellanang le tlhaloso ea HBR250, 'me tekanyo ea litšupiso hangata e ka ba 1.5 ‰ -2 ‰. Mosebetsi o ka sehloohong oa hydroxyethyl ka pente ea latex ke ho teteana, ho thibela gelation ea pigment, ho thusa ho hasana ha pigment, botsitso ba latex, le ho eketsa viscosity ea likarolo, e leng thuso bakeng sa ts'ebetso ea boemo ba mohaho. : Hydroxyethyl cellulose e bonolo ho e sebelisa. E ka qhibiliha ka metsing a batang kapa metsing a chesang, 'me ha e amehe ke boleng ba pH. E ka sebelisoa ka mokhoa o sireletsehileng pakeng tsa PI ea 2 le 12. Mekhoa ea tšebeliso ke e latelang:
1. Eketsa ka ho toba tlhahiso
Mokhoa ona, hydroxyethyl cellulose e liehang ho khetha mofuta o lokela ho khethoa, 'me selulose ea hydroxyethyl e nang le nako ea ho qhibiliha e fetang metsotso e 30 e sebelisoa. Mehato ke e latelang: ① Beha metsi a itseng a hloekileng ka har'a sets'oants'o se nang le mochini o thibelang ho kuta haholo ② Qala ho sisinyeha ka lebelo le tlase, 'me ka nako e ts'oanang eketsa butle-butle sehlopha sa hydroxyethyl ka har'a tharollo ka ho lekana ③ Tsoela pele ho sisinyeha ho fihlela. lisebelisoa tsohle tsa granular li kolobisitsoe ④ Kenya li-additives tse ling, joalo-joalo. lihlopha tsa hydroxyethyl li qhibiliha ka ho feletseng, ebe li eketsa likarolo tse ling ka foromo ebe li sila ho fihlela sehlahisoa se felile.
2. Ho hlomelloa ka joala ba 'm'e bakeng sa ho sebelisoa hamorao
Mokhoa ona o ka khetha mofuta oa hang-hang, 'me o na le selulose ea anti-mildew. Molemo oa mokhoa ona ke hore o na le phetoho e kholoanyane 'me e ka kenyelletsoa ka ho toba ho pente ea latex. Mokhoa oa ho lokisa o tšoana le mehato ①-④.
3. E etse motoho bakeng sa ho sebelisoa hamorao
Kaha metsoako ea lintho tse hlapollang e le lihlapolli tse futsanehileng (tse sa tsitsang) bakeng sa hydroxyethyl, metsoako ena e ka sebelisoa ho etsa motoho. Litlhapi tse sebelisoang ka ho fetesisa ke lino tse entsoeng ka pente ea latex, joalo ka ethylene glycol, propylene glycol, le li-agent tse etsang lifilimi (tse kang diethylene glycol butyl acetate). Porridge hydroxyethyl cellulose e ka eketsoa ka kotloloho penteng. Tsoela pele ho hlohlelletsa ho fihlela e qhibiliha ka ho feletseng.
In putty
Hona joale, metseng e mengata ea naha ea heso, putty e thibelang metsi le e thibelang ho senya tikoloho e se e nkoa e le ea bohlokoa ke batho. E hlahisoa ke karabelo ea acetal ea joala ba vinyl le formaldehyde. Ka hona, boitsebiso bona bo tlosoa butle-butle ke batho, 'me lihlahisoa tsa letoto la cellulose ether li sebelisoa ho nkela thepa ena sebaka. Ka mantsoe a mang, bakeng sa nts'etsopele ea lisebelisoa tsa mohaho tse nang le tikoloho, cellulose hona joale ke eona feela thepa.
Ka putty e thibelang metsi, e arotsoe ka mefuta e 'meli: putty e ommeng le putty paste. Har'a mefuta ena e 'meli ea putty, methyl cellulose le hydroxypropyl methyl li lokela ho khethoa. Tlhaloso ea viscosity hangata e pakeng tsa 40000-75000cps. Mesebetsi e ka sehloohong ea selulose ke ho boloka metsi, ho kopanya le ho tlotsa.
Kaha liforomo tsa putty tsa bahlahisi ba fapaneng li fapane, tse ling ke calcium e bohlooho, k'halsiamo e bobebe, samente e tšoeu, joalo-joalo, 'me tse ling ke phofo ea gypsum, calcium e bohlooho, calcium e khanyang, joalo-joalo, kahoo litlhaloso, viscosity le palo ea ho kenella ea selulose e khethiloeng. ka liforomo tse peli le tsona li fapane. Chelete e ekelitsoeng e ka ba 2 ‰-3 ‰.
Nako ea poso: Apr-28-2024