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Nzira nhatu dzinoshandiswa tertiary amine catalyst kuwedzera kukurumidza kwekudzivirira kupisa
MOFAN TMR-2, inozivikanwa nenhamba 62314-25-4, inoonekwa semushonga wechitatu weamine unokurumidza kudzivirira mapombi kuburikidza nezviito zvitatu zvikuru: kutanga kwekukurumidza kwekuita, kuwedzera kwefuro, uye kukurumidza kupora. Mushonga uyu unoshanda nemapoka e isocyanate, uchiwedzera reactivity yavo uye unogadzira ...Verenga zvakawanda -
Maitiro ekugadzira ganda rePolyurethane
Chiyero chePolyol neisocyanate: Polyol ine hydroxyl yakakwira uye ine huremu hwakawanda hwemamorekuru, izvo zvichawedzera huwandu hwe crosslinking uye zvinobatsira kuvandudza huwandu hwefuro. Kugadzirisa isocyanate index, kureva kuti, molar ratio yeisocyanate kune active hydrogen mu po...Verenga zvakawanda -
Dzidza nezve polyurethane namira yekurongedza inochinjika isina kupisa kwakanyanya
Rudzi rutsva rwekunamira kwepolyurethane rwakagadzirwa nekushandisa mapolyacids madiki emamorekuru nemapolyols madiki emamorekuru sezvinhu zvekutanga zvekugadzira maprepolymers. Munguva yekuwedzera cheni, mapolymers ane branched uye maHDI trimers akaiswa mupolyuretha...Verenga zvakawanda -
Dhizaini yepamusoro ye polyurethane elastomers uye mashandisirwo ayo mukugadzira zvinhu zvepamusoro
Ma polyurethane elastomers imhando yakakosha yezvinhu zve polymer zvinoshanda zvakanyanya. Nehunhu hwavo hwakasiyana hwemuviri nemakemikari uye kushanda kwavo kwakazara, vane chinzvimbo chakakosha muindasitiri yemazuva ano. Zvinhu izvi zvinoshandiswa zvakanyanya mumabasa akawanda...Verenga zvakawanda -
Polyurethane isina ionic inobva mumvura ine simba rakanaka rekushandisa pakupedzisa dehwe
Zvinhu zvepolyurethane zvinokurumidza kutsvuka nekufamba kwenguva nekuda kwekuratidzwa kwenguva refu nechiedza che ultraviolet kana kupisa, zvichikanganisa chitarisiko chazvo uye hupenyu hwazvo. Nekuisa UV-320 uye 2-hydroxyethyl thiophosphate mucheni yekuwedzera kwe polyurethane, chinhu chisiri cheioni...Verenga zvakawanda -
Zvinhu zvepolyurethane zvinoratidza here kuramba tembiricha yakakwira?
1 Zvinhu zvepolyurethane zvinotsungirira kupisa kwakanyanya here? Kazhinji, polyurethane haipindi kupisa kwakanyanya, kunyangwe nePPDI system yakajairika, muganho wayo wekupisa mukuru unogona kungova pa150° chete. Mhando dzepolyester dzakajairika kana polyether dzingasakwanise...Verenga zvakawanda -
Nyanzvi dzePolyurethane dzepasi rose dzichaungana muAtlanta kumusangano wehunyanzvi wePolyurethanes wa2024
Atlanta, GA - Kubva musi wa30 Gunyana kusvika 2 Gumiguru, Omni Hotel iri kuCentennial Park ichaita Musangano wePolyurethanes Technical Conference wa2024, uchiunganidza nyanzvi dzinotungamira nenyanzvi kubva muindasitiri yepolyurethane pasi rese. Yakarongwa neAmerican Chemistry Council...Verenga zvakawanda -
Kufambira Mberi Kwekutsvaga PamaPolyurethane Asiri eIsocyanate
Kubva pazvakatangwa muna 1937, zvinhu zvepolyurethane (PU) zvave zvichishandiswa zvakanyanya muzvikamu zvakasiyana-siyana zvinosanganisira zvekufambisa, zvekuvaka, zvemafuta, zvemachira, zveinjiniya yemakanika nemagetsi, zvemuchadenga, zvehutano, uye zvekurima. Izvi...Verenga zvakawanda -
Kugadzirwa uye hunhu hwe polyurethane semi-rigid foam yekubata maoko emotokari inoshanda zvakanyanya.
Chigadziko chemaoko chiri mukati memotokari chikamu chakakosha chetekisi, chinoita basa rekusundidzira nekudhonza gonhi uye kuisa ruoko rwemunhu ari mumotokari. Kana paine emergency, kana mota nehandrail zvaroverana, handrail yakapfava yepolyurethane...Verenga zvakawanda -
Zvinhu zvehunyanzvi zvekushandisa Polyurethane Field Spraying neFoam Rigid
Rigid foam polyurethane (PU) insulation material ipolymer ine repetitive structure unit ye carbamate segment, yakagadzirwa ne reaction ye isocyanate ne polyol. Nekuda kwekupisa kwayo kwakanaka uye kushanda kwayo kwemvura, inoshandiswa zvakanyanya kunze...Verenga zvakawanda -
Kuunzwa kwemushonga wefuro we polyurethane rigid foam unoshandiswa mumunda wekuvaka
Nekuwedzera kwezvinodiwa zvezvivakwa zvemazuva ano zvekuchengetedza simba uye kuchengetedzwa kwezvakatipoteredza, mashandiro ekudzivirira kupisa kwezvinhu zvekuvaka anowedzera kukosha. Pakati pazvo, polyurethane rigid foam chinhu chakanaka kwazvo chekudzivirira kupisa,...Verenga zvakawanda -
Musiyano uripo pakati pePolyurethane yakavakirwa pamvura nePolyurethane yakavakirwa pamafuta
Kuputira kwepolyurethane isingapindi mvura kwakavakirwa mumvura chinhu chisingakuvadzi nharaunda chine mamorekuru akawanda epolymer elastic isingapindi mvura ine kunamatira kwakanaka uye isingapindi mvura. Inobata zvakanaka zvinhu zvakagadzirwa nesimende zvakaita sekongiri, matombo nesimbi. Chigadzirwa...Verenga zvakawanda
