Ulwazi lwePolyurethane
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YEYIPHI ENGCONO, IRABHA EKUPHELELEYO OKANYE I-PU SOLE?
Ngokuphucuka kwemigangatho yokuphila yomntu wonke, wonke umntu sele eqalisile ukulandela ubomi obukumgangatho ophezulu kuzo zonke iinkalo.Kukwakhona ekukhetheni izihlangu.Amava aziswa zizicathulo ezahlukeneyo nazo zihluke.Izinto eziqhelekileyo ziyi-rubber soles kunye nezicathulo ze-polyurethane.Umahluko: Iisoli zerabha ...Funda ngokugqithisileyo -
Ubume boPhuhliso loShishino lwePolyurethane ngo-2022
Ishishini le-polyurethane lavela eJamani kwaye liye lakhula ngokukhawuleza eYurophu, eMelika naseJapan ngaphezu kweminyaka engama-50, kwaye liye laba lelona shishini likhula ngokukhawuleza kwishishini lemichiza.Ngeminyaka yee-1970, iimveliso zepolyurethane yehlabathi zizonke zafikelela kwi-1.1 yezigidi zeetoni, zafikelela kwi-10 yezigidi zeetoni ...Funda ngokugqithisileyo -
2022 Imiba emine iqhuba uPhuhliso lwekamva lePolyurethane
1. Ukukhuthazwa komgaqo-nkqubo.Uluhlu lwemigaqo-nkqubo kunye nemimiselo yokwakha ukugcinwa kwamandla kuye kwabhengezwa e-China.Ugcino lwamandla kunye nokunciphisa ukukhutshwa kweeprojekthi zolwakhiwo lukhokelo lotyalo-mali olungundoqo lukarhulumente, kwaye umgaqo-nkqubo wokongiwa kwamandla wokwakha uye waba...Funda ngokugqithisileyo -
Umahluko phakathi kwe-MDI kunye ne-TDI
Zombini i-TDI kunye ne-MDI luhlobo lwemathiriyeli ekrwada kwimveliso ye-polyurethane, kwaye banokutshintshana ukuya kwinqanaba elithile, kodwa akukho mahluko omncinci phakathi kwe-TDI kunye ne-MDI ngokwesakhiwo, ukusebenza kunye nokusetyenziswa kokwahlulahlula.1. Umxholo we-isocyanate we-TDI uphezulu kunalowo we-MDI, ...Funda ngokugqithisileyo -
Ngaba ukhe wadibana nezi ngxaki zilandelayo xa uSparing Polyurethane?
Ukutshiza ngePolyurethane sisixhobo sokutshiza soxinzelelo oluphezulu lwepolyurethane.Ngenxa yokuba izinto eziphathekayo zezixhobo zokutshiza eziphakamileyo zibethelwa kwigumbi elincinci lokuxuba kwaye lijikeleze ngamandla ngesantya esiphezulu, ukuxuba kuhle kakhulu.Izinto ezihamba ngesantya esiphezulu zenza amathontsi enkungu entle emlonyeni...Funda ngokugqithisileyo -
Umahluko phakathi kweTPU kunye neRubha
I-TPU (i-Thermoplastic polyurethanes) yinto ephakathi kwerabha kunye neplastiki.Izinto eziphathekayo zi-oyile kunye namanzi kwaye zinomthwalo obalaseleyo wokuthwala kunye nokuchasana kwempembelelo.I-TPU sisixhobo sepolymer esingenabungozi kokusingqongileyo.Izinto ze-Tpu zineengenelo zokunwebeka okuphezulu kwerabha kunye...Funda ngokugqithisileyo -
Ngaba ukhe wadibana nezi ngxaki zilandelayo kwinkqubo yePolyurethane Foaming?
I-Polyurethane foam yipolymer ephezulu yemolekyuli.Imveliso eyenziwe kwi-polyurethane kunye ne-polyether exutywe ngobuchule.Ukuza kuthi ga ngoku, kukho iindidi ezimbini zegwebu eliguquguqukayo kunye negwebu eliqinileyo kwimarike.Phakathi kwabo, i-foam eqinile yisakhiwo seseli evaliweyo, ngelixa i-foam eguquguqukayo i-open-cell str ...Funda ngokugqithisileyo -
Yintoni Umahluko phakathi kwePolyurethane kunye ne-Epoxy Resin?
I-Commonality kunye noMahluko phakathi kwePolyurethane kunye ne-Epoxy Resin: I-Commonality: 1) I-polyurethane kunye ne-epoxy resin zimbini, kwaye izixhobo kunye neendlela zokusebenza ziyafana;I-2) Bobabini banokuxhathisa okulungileyo, akukho kuphazamiseka, akukho ukuwa kunye nezinye iipropathi;3) Bot...Funda ngokugqithisileyo -
Enye iChemical iyatsha ngo-2022!Amaxabiso e-TDI Atsibe Kabukhali EYurophu, Ishishini leTDI laseTshayina liphucukile
Ngokutsho kweendaba zamva nje ezikhutshwe yi-China Financial Association: i-TDI isetyenziswa ikakhulu kwi-foam eguqukayo, i-coatings, i-elastomers, kunye ne-adhesives.Phakathi kwabo, i-foam ethambileyo yeyona ndawo isetyenziswa kakhulu, ibalelwa ngaphezulu kwe-70%.Imfuno yokugcina ye-TDI igxile kwifanitshala ethambileyo, idyasi...Funda ngokugqithisileyo -
Ukusetyenziswa komatshini wokutshiza wePolyurea kuShishino lweMizobo
Amacandelo e-EPS(i-Polystyrene eyandisiweyo) ayisuki umbala, ukungunda okanye ubudala, imilo ilungisiwe, kwaye iintlobo ngeentlobo zemibala zinokuhlengahlengiswa.Impembelelo esemgangathweni yokutshiza i-polyurea isetyenziswe ngokubanzi kwishishini lemifanekiso eqingqiweyo.Ukutshiza i-polyurea yokugquma ayinakunyibilika, ukunyanga ngokukhawuleza kunye nenkqubo elula.Ngaba ...Funda ngokugqithisileyo -
Ukusetyenziswa komatshini wokutshiza wePolyurethane kwi-Casting
Umatshini wokutshiza we-polyurethane uneentlobo ezimbini zemilomo: i-nozzel yokutshiza kunye ne-casting nozzel.Xa kusetyenziswa i-nozzle yokuphosa, umatshini wokutshiza we-polyurethane ulungele ukuphoswa kwezifudumezi zamanzi elanga, ii-coolers zamanzi, iingcango ezichasene nobusela, iitanki zamanzi zenqaba yamanzi, iifriji, i-wat yombane ...Funda ngokugqithisileyo -
Ukungangeni manzi kunye nokuchasana nokubola komatshini wokutshiza wePolyurea
Injongo ephambili ye-polyurea kufuneka isetyenziswe njenge-anti-corrosion kunye nezinto ezingenamanzi.I-Polyurea yimathiriyeli ye-elastomer eyenziwe ngokusabela kwecandelo le-isocyanate kunye ne-amino compound component.Ikwahlulwe kwi-polyurea ecocekileyo kunye ne-semi-polyurea, kwaye iipropati zabo zihluke.Eyona bas...Funda ngokugqithisileyo