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Wax ku baro xabagta poliurethane ee baakadaha dabacsan iyada oo aan la daaweynin heerkul sare
Nooc cusub oo ah xabagta poliurethane ayaa la diyaariyey iyadoo la adeegsanayo polyacids molecule yar yar iyo polyols molecule yar oo ah alaabta ceeriin ee aasaasiga ah si loogu diyaariyo prepolymers. Inta lagu guda jiro nidaamka fidinta silsiladda, polymers-ka-soo-baxsan iyo trimers HDI ayaa lagu soo bandhigay polyuretha ...Sii akhri -
Naqshadaynta waxqabadka sare ee elastomer polyurethane iyo codsigooda wax soo saarka dhamaadka-sare
Elastomers-ka polyurethane waa fasalka muhiimka ah ee alaabta polymer-ka ee waxqabadka sare leh. Iyaga oo leh hantidooda gaarka ah ee jireed iyo kiimikaad iyo waxqabad dhammaystiran oo heer sare ah, waxay ku jiraan boos muhiim ah warshadaha casriga ah. Agabkaan waxaa si aad ah looga isticmaalaa in badan...Sii akhri -
Polyurethane biyo-ku-salaysan oo aan-ionic ah oo leh iftiin wanaagsan oo iftiin leh oo loogu talagalay dhammaystirka maqaarka
Maaddooyinka dahaarka ee polyurethane waxay u nugul yihiin inay jaale noqdaan wakhti ka dib sababtoo ah soo-gaadhista dheer ee iftiinka ultraviolet ama kulaylka, saameynaya muuqaalkooda iyo nolosha adeegga. Iyadoo la soo bandhigayo UV-320 iyo 2-hydroxyethyl thiophosphate dhexda silsiladda polyurethane, nonioni ...Sii akhri -
Alaabta poliurethane ma muujiyaan caabbinta heerkulka sare?
1 Qalabka polyurethane ma u adkeysanayaan heerkulka sare? Guud ahaan, polyurethane maaha mid u adkaysata heerkulka sare, xitaa nidaamka PPDI ee caadiga ah, xadka ugu badan ee heerkulka wuxuu noqon karaa kaliya 150 °. Noocyada polyester-ka caadiga ah ama polyeter-ka waxaa laga yaabaa inaysan awoodin inay...Sii akhri -
Khubarada Caalamiga ah ee Polyurethane ayaa isugu imaanaya Atlanta 2024 Shirka Farsamada ee Polyurethane
Atlanta, GA - Laga bilaabo Sebtembar 30 ilaa Oktoobar 2, Omni Hotel ee Centennial Park wuxuu martigelin doonaa 2024 Shirka Farsamada ee Polyurethane, isaga oo isu keenaya xirfadlayaasha hormuudka ah iyo khubarada warshadaha poliurethane ee adduunka oo dhan. Waxaa soo qabanqaabiyay Golaha Kimistariga Mareykanka...Sii akhri -
Horumarka Cilmi-baarista ee Polyurethane aan Isocyanate ahayn
Tan iyo markii la bilaabay 1937, polyurethane (PU) agabku waxay heleen codsiyo badan oo dhinacyo kala duwan ah oo ay ku jiraan gaadiidka, dhismaha, kiimikooyinka batroolka, dharka, farsamada iyo injineernimada korantada, hawada hawada, daryeelka caafimaadka, iyo beeraha. Kuwani m...Sii akhri -
Diyaarinta iyo sifooyinka xumbo-adag ee poliurethane ee loogu talagalay biraha gacanta ee waxqabadka sare leh.
Gacanta cudud ee gudaha baabuurka ayaa ah qayb muhiim ah oo ka mid ah tagaasida, taas oo ka ciyaarta doorka riixida iyo jiidida albaabka iyo dhigista cududda qofka baabuurka. Haddii ay dhacdo xaalad degdeg ah, marka baabuurka iyo biraha gacantu ay isku dhacaan, poliurethane jilicsan ayaa gacanta ku ...Sii akhri -
Dhinacyada Farsamada ee Xumbada Adag ee Ku buufidda Goobta Polyurethane
Qalabka dahaarka ee xumbo adag (PU) waa polymer leh unug qaab dhismeedka soo noqnoqda ee qaybta carbamate, oo ay sameeyeen falcelinta isocyanate iyo polyol. Iyada oo ay ugu wacan tahay dahaarka kulaylka aadka u fiican iyo waxqabadka biyuhu, waxay ka heshaa codsiyo ballaadhan oo dibedda ah ...Sii akhri -
Horudhaca wakiilka xumbo xumbada poliurethane ee loo isticmaalo goobta dhismaha
Iyada oo shuruudaha sii kordhaya ee dhismayaasha casriga ah ee badbaadinta tamarta iyo ilaalinta deegaanka, waxqabadka kuleylka kuleylka ee qalabka dhismaha ayaa noqda mid aad u muhiim ah. Waxaa ka mid ah, xumbada adag ee polyurethane waa walxo kuleyl ah oo heer sare ah, ...Sii akhri -
Farqiga u dhexeeya Polyurethane-ku-salaysan Biyaha iyo Saliida ku salaysan Polyurethane
Dahaarka biyaha-ku-salaysan ee poliurethane-ku-salaysan waa maaddada biiyaha-laastikada-molecular-ka sarreeya ee deegaanka saaxiibtinimo leh oo leh ku-dhejin wanaagsan iyo impermeability. Waxay leedahay ku dheggan sibidhka ku salaysan sida shubka iyo dhagaxa iyo alaabta birta ah. Alaabta...Sii akhri -
Sida loo doorto waxyaabaha lagu daro ee xabagta poliurethane ee biyaha ka dhasha
Sidee loo doortaa waxyaabaha lagu daro ee polyurethane ee biyaha ka dhasha? Waxaa jira noocyo badan oo kaabayaal poliurethane ah oo biyo ku salaysan, iyo kala duwanaanta codsigu waa ballaadhan yahay, laakiin hababka kaaliyeyaasha ayaa u dhigma si joogto ah. 01 Waafaqid waxyaabaha lagu daro iyo alaabooyinka sidoo kale waa f...Sii akhri -
Polyurethane Amine Catalyst: Qabasho badbaado leh iyo Tuur
Xabashiyaasha amine polyurethane ayaa ah qaybaha lagama maarmaanka u ah soo saarista xumbo polyurethane, dahaarka, xabagta, iyo daboolayaasha. Dabayshani waxay door muhiim ah ka ciyaaraan habka daawaynta ee alaabta poliurethane, hubinta falcelinta saxda ah iyo waxqabadka. Si kastaba ha ahaatee, waxay ...Sii akhri
