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Ithute ka sekhomaretsi sa polyurethane bakeng sa ho paka habonolo ntle le ho folisoa ha mocheso o phahameng
Mofuta o mocha oa sekhomaretsi sa polyurethane o entsoe ka ho sebelisa li-polyacids tse nyane tsa molek'hule le polyols ea molek'hule e le lisebelisoa tsa mantlha tsa ho lokisa li-prepolymers. Nakong ea ts'ebetso ea katoloso ea ketane, li-polymers tsa hyperbranched le li-trimers tsa HDI li ile tsa kenngoa ka har'a polyuretha ...Bala haholoanyane -
Moralo o phahameng oa ts'ebetso ea li-elastomers tsa polyurethane le ts'ebeliso ea tsona indastering ea maemo a holimo
Li-elastomer tsa polyurethane ke sehlopha sa bohlokoa sa lisebelisoa tsa polymer tse sebetsang hantle. Ka thepa ea bona e ikhethang ea 'mele le ea lik'hemik'hale le ts'ebetso e phethahetseng e felletseng, ba na le maemo a bohlokoa indastering ea sejoale-joale. Lisebelisoa tsena li sebelisoa haholo libakeng tse ngata ...Bala haholoanyane -
Polyurethane e se nang ionic e nang le metsi e nang le khanya e ntle ea khanya bakeng sa ho sebelisoa ho qeta letlalo
Lisebelisoa tsa ho roala polyurethane li atisa ho ba mosehla ha nako e ntse e ea ka lebaka la ho pepesehela nako e telele ho khanya ea ultraviolet kapa mocheso, ho ama ponahalo ea bona le bophelo ba tšebeletso. Ka ho hlahisa UV-320 le 2-hydroxyethyl thiophosphate katolosong ea ketane ea polyurethane, nonioni...Bala haholoanyane -
Na lisebelisoa tsa polyurethane li bontša ho hanyetsa mocheso o phahameng?
1 Na lisebelisoa tsa polyurethane li hanana le mocheso o phahameng? Ka kakaretso, polyurethane ha e hanyetsane le mocheso o phahameng, esita le ka mokhoa o tloaelehileng oa PPDI, moeli oa eona oa mocheso o phahameng o ka ba feela ho pota 150 °. Mefuta e tloaelehileng ea polyester kapa polyether e kanna ea se khone ho ...Bala haholoanyane -
Litsebi tsa Global Polyurethane li tla bokana Atlanta bakeng sa Seboka sa Tekheniki sa Polyurethanes sa 2024
Atlanta, GA - Ho tloha ka la 30 Loetse ho isa la 2 Mphalane, Omni Hotel e Centennial Park e tla amohela Seboka sa Tekheniki sa Polyurethanes sa 2024, se kopanyang litsebi tse etelletseng pele le litsebi tse tsoang indastering ea polyurethane lefatšeng ka bophara. E hlophisitsoe ke Lekhotla la Khemistri la Amerika...Bala haholoanyane -
Tsoelo-pele ea Lipatlisiso ka Non-Isocyanate Polyurethanes
Ho tloha ha li hlahisoa ka 1937, lisebelisoa tsa polyurethane (PU) li fumane lits'ebetso tse ngata ho pholletsa le mafapha a fapaneng a kenyeletsang lipalangoang, kaho, lik'hemik'hale tsa petrole, masela, boenjiniere ba mechine le motlakase, sefofane, tlhokomelo ea bophelo bo botle le temo. Tsena m...Bala haholoanyane -
Tokisetso le litšoaneleho tsa foam ea polyurethane semi-rigid bakeng sa li-handrails tsa likoloi tse sebetsang hantle.
Sebaka sa matsoho se ka hare ho koloi ke karolo ea bohlokoa ea koloi, e phethang karolo ea ho sutumetsa le ho hula lemati le ho beha letsoho la motho ka koloing. Ha ho na le ts'ohanyetso, ha koloi le handrail li thulana, polyurethane soft handrail ...Bala haholoanyane -
Likarolo tsa Tekheniki tsa Ho Fafatsa Tšimo ea Foam Polyurethane e Rigid
Regid foam polyurethane (PU) insulation material ke polima e nang le yuniti e ipheta-phetang ea karolo ea carbamate, e entsoeng ke karabelo ea isocyanate le polyol. Ka lebaka la ts'ebetso ea eona e ntle ea mocheso le ts'ebetso e sa keneleng metsi, e fumana lits'ebetso tse pharalletseng kantle ho naha ...Bala haholoanyane -
Kenyelletso ea sesebelisoa sa foaming bakeng sa foam e thata ea polyurethane e sebelisoang tšimong ea kaho
Ka litlhoko tse ntseng li eketseha tsa meaho ea sejoale-joale bakeng sa ho boloka matla le ts'ireletso ea tikoloho, ts'ebetso ea ho kenya mocheso oa thepa ea moaho e ba ea bohlokoa le ho feta. Har'a tsona, foam e thata ea polyurethane ke sesebelisoa se setle sa ho kenya mocheso, ...Bala haholoanyane -
Phapang pakeng tsa Metsi a thehiloeng Polyurethane le Oli e thehiloeng Polyurethane
Mokelikeli o sa keneleng metsi oa polyurethane ke sesebelisoa se sa keneleng metsi se nang le limolek'hule tse phahameng tsa limolek'hule tse nang le sekhomaretsi se setle le se sa tsitsang. E na le ho khomarela hantle ho li-substrates tse thehiloeng ho samente tse kang konkreite le lihlahisoa tsa majoe le tsa tšepe. Sehlahisoa...Bala haholoanyane -
Mokhoa oa ho khetha li-additives ka har'a resin ea polyurethane e nang le metsi
U ka khetha li-additives joang ka polyurethane e nang le metsi? Ho na le mefuta e mengata ea li-axiliary tsa polyurethane tse thehiloeng metsing, 'me mefuta ea ts'ebeliso e pharaletse, empa mekhoa ea ho thusa e tšoana le e tloaelehileng. 01 Ho tsamaellana ha li-additives le lihlahisoa hape ke ...Bala haholoanyane -
Polyurethane Amine Catalyst: Tšoaro e Sireletsehileng le ho Lahla
Li-catalyst tsa amine tsa polyurethane ke likarolo tsa bohlokoa tlhahisong ea foams ea polyurethane, likoahelo, likhomaretsi le li-sealants. Li-catalyst tsena li bapala karolo ea bohlokoa ts'ebetsong ea pholiso ea thepa ea polyurethane, ho netefatsa ts'ebetso e nepahetseng le ts'ebetso. Leha ho le joalo, e ...Bala haholoanyane
