Resorcker polymer powddds (RDPS) Bapala karolo ea bohlokoa indaling e fapaneng, ho kenyelletsa ho aha, merafo le likoluoa. Makhasi ana a sebelisoa haholo bakeng sa ho ntlafatsa thepa ea lisebelisoa tsa mabenkele, ho holisa ho fetoha le maemo, ho iphaola kapa ho tšoarella. Ho utloisisa mokhoa oa tlhahiso oa RDPs ho bohlokoa bakeng sa bahlahisi ho netefatsa lihlahisoa tsa boleng bo holimo.
Lisebelisoa tse so fetoloe :
Ho hlahisoa ha mekotla ea polyer e khutlisoang ka ho khetha thepa e tala ka hloko e amang thepa ea sehlahisoa sa ho qetela. Likarolo tsa mantlha li kenyelletsa polokelo ea Polymer, li-colloids tsa ts'ireletso, masela a mapolanka le lisebelisoa tse fapaneng.
Polymer Resin: Ethylene-Vinyl Acetate (EVA), Vinyl Acetate-Of Eva), 'me polyers ea Acrylic e sebelisoa e le bolokolohi ba polymer. Mabenkele ana a fana ka bobelo, ho feto-fetoha le maemo le ho hanyetsa metsi lispato.
Li-colloids tsa ts'ireletso: Lithuto tsa ts'ireletso tsa hydrophili tse kang polyviny kapa li-e-sllulose li eketsoa ho tiisa likarohano le polokelo, ho thibela ho thibela bana.
Liphaphalefa: Liphabo tsa polasetiki li ntlafatsa ho fetoha le maemo le ho ntlafatsa ha lisdps. Lisele tsa Borooa li Tloaeleha li-Ethers tsa GlyCol kapa Polyethylene Glycols.
BIBELE: Liktlapo tse fapaneng tse kang ho nyahama, li-thickeners le li-agent tse amanang le tsona li ka kenyelletsoa ho matlafatsa matla a ho senyeha, Rheology, moqapi kapa matla.
Mekhoa ea ho sebetsa:
Ho hlahisoa ha lipolahelo tsa polymer tse theko e tlaase, ho kenyelletsa mehato e mengata e rarahaneng ea kalafo, ho kenyelletsa le emulsion polymeriation, e fafatsa lits'ebetso tsa ho omella, le litsamaiso tsa kalafo.
Emulsion pelymerization:
Ts'ebetso ena e qala ka polymerication ea emulsion, moo bongoana, metsi, basimoriers le baboleli ba tsoakiloeng maemong a laoloang ea mocheso le khatello. Monomers Polymerize ho theha likaroloana tsa latex e hahuoang ka metsing. Khetho ea bo-mo lelemo le maemo a karabelo a lekola sebopeho le thepa ea polyer le thepa.
Matlafatso le ho banyaha:
Kamora boikhathollo, latex e se e phahamisoa ka ho eketsa li-colloids tsa tšireletso le batho ba tsitsitseng. Mohato ona o thibela ho hola ha qotsuoa 'me o netefatsa botsitso ba ho hana ha latex. Basebeletsi ba likhohola ba kanna ba tsebisoa ho kopitsa ka matla a laolehileng ea latex, ba theha bo-rakhoebo ba tsitsitseng.
Spray o omelle:
Ho hloella ha morao-rao sa morao-rao ho fepuoa ka sephara se omisang. Ka kamoreng ea ho omisa, ho se hloeha ho amana le marotholi a manyane a sebelisang khatello ea maikutlo e phahameng haholo. Moea o chesang o hlalositsoe ka nako e ts'oanang hore o phethehelle litaba tsa metsi, a siea likaroloana tse tiileng tsa polymer. Maemo a ho omisa, ho kenyelletsa mocheso oa moea oa moea, nako ea bolulo le sekhahla sa moea, susumetsa tsela eo sebopeho sa lirology le phofo.
Post-Phekolo:
Ho latela ho omisa, phofo ea polymer e hlahisitsoeng e le lits'ebetso tsa kalafo tsa tlhahlobo ea kalafo ea ho ntlafatsa ts'ebetso ea bona le ho boloka ho tsitsipana. Ts'ebetso tsena li ka kenyelletsa ho ikamahanya le maemo, ho futula le ho paka.
a. Phetoho ea mantlha: Basebeletsi ba mafolofolo
b. Granulation: Ho ntlafatsa maikutlo le ho senyeha, phofo ea polyer e ka 'na tsa putlama ho hlahisa karolo e tšoanang e lekanang le ho fokotsa sebopeho sa lerōle.
c. Ho paka: Lipehelo tsa ho qetela li kenngoa ka litloholo tsa mongobo ho thibela ho monya mongobo le ho boloka botsitso nakong ea polokelo le lipalangoang.
Mehato ea taolo ea boleng:
Taolo ea boleng e bohlokoa ho pholletsa le ts'ebetso ea tlhahiso ho netefatsa hore ho etsa hore thepa ea polyer e khutlisetsoe. Li-paramethara tse 'maloa tsa bohlokoa li shebelletsoe le ho laoloa maemong a fapaneng:
Boleng bo bonahalang: Tlhatlhobo ea lintlha tse phethahetseng
Ts'ebetso ea ho lekola: Li-parameter tsa botona le botšehali tse kang mocheso oa ho khutlisa, khatello ea maikutlo
Tlhahlobo ea karoloana: Tsamaiso ea boholo ba karoloana, mokolokoti oa polyer "o sekaseka ho sebelisa mekhoa e kang ea laser.
Tlhahlobo ea Ts'ebetso: Lipontšo tsa POlymer tse rekiloeng li lekiloe ke tlhahlobo e kholo ea ts'ebetso ea ho lekola matla a tsona a khokhothelang, sesebelisoa sa motlakase, le litlhoko tsa mochini ho latela maemo a ho indastera le a moreki.
Teko ea botsitso: liteko tse tsofetseng li etsoa ho lekola botsitso ba nako e telele ea li-RDPs tlasa maemo a fapaneng a polokelo, ho kenyelletsa phapang e fapaneng le mongobo.
Ho hlahisoa ha lijalo tsa polymer tse theko e tlaase, ho kenyelletsa mehato e mofuthu ea mehato, ea tsoang Emulsion Poulymerization ho fafatsa lits'ebetso tsa ho omella le tsa kalafo. Ka hloko ha ho laoloa thepa e tala, likarolo tsa taolo ea matla le mekhoa ea taolo ea boleng, li ka netefatsa boleng le ts'ebetso e sa sebetseng ea likopo tse fapaneng, likhahla le indasteri le liindasteri le lihondaine. Ho utloisisa ka thata ha ts'ebetso ea tlhahiso ho bohlokoa bakeng sa ho ntlafatsa litšobotsi tsa sehlahisoa mme li kopana le litlhoko tsa bareki tse tsoang ho bareki 'marakeng.
Nako ea poso: Mar-12-2024