RDP bakeng sa putty leboteng la lebota

E qhalakantsoeng bochaPolima phofo RDP/VAE, ke phofo e khethehileng ea emulsion ea ho omisa phofo e entsoeng ka ethylene le vinyl acetate copolymer, ka lebaka la bokhoni ba eona bo phahameng ba ho kopanya le thepa e ikhethang, e kang: ho hanyetsa metsi, ho hahoa le ho kenya mocheso, kahoo, ho na le mefuta e mengata haholo ea likopo.

karolo efe ea RDPe ka bapala kaputty leboteng?

1, ho ntlafatsa ho khomarela le thepa ea mechine eaputty leboteng. E qhalakantsoeng bochaPolima phofo RDP/VAEho kopana le metsi ho ka qhalakanngoa ka potlako ho emulsion, 'me e na le thepa e tšoanang le ea emulsion ea pele, ke hore, mouoane oa metsi o ka etsa filimi, filimi ena e na le ho feto-fetoha ha maemo a phahameng, ho hanyetsa boemo ba leholimo le ho khomarela holimo ho mefuta e sa tšoaneng ea substrates.

2, ntlafatsa momahano eaputty leboteng, khanyetso e ntle ea alkali, ho hanyetsa ho roala, ho eketsa matla a flexural.

3, ntlafatsa ho hanyetsa metsi le permeability eaputty leboteng.

4, ntlafatsa ho boloka metsi aputty leboteng, eketsa nako ea ho bula.

5, ntlafatsa tshusumetso ho hanyetsa le ho matlafatsa durability eaputty leboteng.

In putty lebotengka khonaPhofo ea polymer e ka qhaloang hapeke tlatsetso ea bohlokoa haholo, ha re bua ka kakaretso, putty e ka hare ea lebota e ka eketsoa kapa che. Empa leboteng le kantleputty lebotenge tlameha ho ekeletsoa ka ho hasana haphofo ea polymer, e ka ba ho hasane haphofo ea polymerhoputty lebotenge na le toughness e ntle le matla a morao, ho thibela ho hlaha ha phofo ea morao le mathata a mang.

Hangata bareki ba botsa lipotso mabapi leputty leboteng, joalo kaputty lebotengbonolo ho tlosa phofo, phofo e tebileng, kapa matla a manyane joalo-joalo. Bohle ba tseba ho etsaputty lebotengtlhokahalo ea ho eketsa cellulose ether, basebelisi ba bangata ha ba kenyelle ka botjhaphofo ea polymer. Hobane e tla eketsa litšenyehelo tsaputty leboteng, kahoo e le ho boloka litšenyehelo, bareki ba bangata ha ba eketse, ke ka lebaka leo putty e leng bonolo ho phofo bothata ba boleng ba bohlokoa!

Celluloseethere ka monyang mongobo ha e atolosoa ke metsi. Karolo e ka sehloohong ea cellulose ke ho boloka metsi, empa e tla butle-butleRDPphofo ka mora nako e telele. Mofuta ona oa putty o hlephileng, sekhahla sa ho monya metsi se phahame, phofo e bonolo, ha e na matla, ha e na elasticity. Ho ntlafatsa mathata a putty ka holimo ho ka fetola foromo ea putty, tlatsetso e nepahetseng ea ba bang ba hasanengphofo ea polymerho ntlafatsa matla a morao-rao aputty leboteng.

Putty ts'ebetsong ea tlhahiso haeba u ka eketsa ka ho lekanengReqhalanyaable phofo ea polymer, kapa sebelisa putty ea boemo bo tlasephofo ea polymer, ke phello efewill wall puttyna ?

putty lebotenge ka kenaRedispersible polymer phofo RDP/VAEho eketsa ka tlase, ts'ebetso e tobileng ka ho fetisisa ke putty layer e hlephileng, phofo ea holim'a metsi, boemo bo bobe, ho thata ho theha filimi e teteaneng. Lerako lena le tloaetse ho ebola, ho phatloha, ho phunya, ho petsoha le lintho tse ling. Haeba e tlaseputty lebotenge khethiloe, lerako le tla hlahisa likhase tse kotsi, tse kang formaldehyde le tšenyo e 'ngoe ea' mele oa motho e totobetse.

Ka hona, motheo oa boleng bo phahamengputty lebotengtlhahiso ke ho khetha hydroxypropyl methyl cellulose e ntleHPMCle ho qhalakana hapephofo ea polymer RDPle lisebelisoa tse ling tsa lihlahisoa ho hlahisa lihlahisoa tse tala.