29Jul2025
Qhov txawv ntawm polyether polyols thiab polyester polyols
Daim ntawv qhia 1.rist cov ntaub ntawv thiab synthesis Technology Polyetch Polyetch Polyols uas muaj cov khoom siv hluav taws xob tsawg (xws li eth...
Ntau
28Jul2025
Zom cov ntsiab lus ntawm compression txias tsis kam ua coefficient ntawm cam ...
Abstract hauv qhov kev kawm no, polyols xws li polytetrraYDrofmethane DiOol (PCYester Diisocyanate (M03} Peenyldiisocyanate (PPDI), Naphthalene Dii...
Ntau
27Jul2025
Kev daws teeb meem ua npuas dej tsis xws luag: Lub luag haujlwm ntawm raw kho...
Saj zawg zog polyurethane (pu) ua npuas ncauj yog ib qho tseem ceeb hauv cov khoom lag luam xws li cov rooj tog thiab cov txaj pw rau rwb thaiv tse...
Ntau
26Jul2025
Yuav ua li cas polyurethane ua npuas dej yog hloov kho cov rooj tog zaum nyab
Raws li kev paub txog kev thoob ntiaj teb ntawm ib puag ncig kev ruaj khov, kev lag luam thoob plaws lub rooj tsavxwm yog rethinking cov kev xaiv t...
Ntau
25Jul2025
Egypt qhov nthuav dav lub txaj thiab cov rooj tog kev lag luam: lub frontier ...
Tim lyiv teb chaws, lub teb chaws tseem ceeb tshaj plaws nyob rau hauv Arab ntiaj teb, tam sim no tab tom nrhiav sai sai hauv tsev, ncig teb chaws,...
Ntau
24Jul2025
Vim li cas tdi 80/20 tseem yog cov nyiam tshaj plaws yog ortocyanate rau kev ...
Nyob rau hauv confibre polyurethane (pu) ua npuas ncauj kev lag luam, Toluene Diisocyanate (TDI) tseem yog lub pob txha puab. Ntawm nws ntau cov qa...
Ntau
23Jul2025
Xaiv txoj cai polymer polyol: pop15%, pop25%, pop45%, thiab pop50% piav qhia
Raws li qhov kev thov rau high - kev ua tau zoo thiab txau- Ua Si Polyurethane (Pop) tau dhau los ua cov qauv ua npuas ncauj niaj hnub no. Cov poly...
Ntau
22Jul2025
Nkag siab polyether polyols: tus caj qaum ntawm siab -} Kev ua npuass
Nyob rau hauv lub ntiaj teb ntawm hloov pauv polyurethane (PU) Ua Npuas Ncauj Ntau Lawm, Kev Ntsuas Cov Qauv Tseem Ceeb, kev muag khoom, thiab tag ...
Ntau
21Jul2025
Qhov kev xav tau ntxiv rau kev ua npuas ncauj yooj yim polyurethane ua npuas ...
Nyob rau hauv xyoo tas los, Lub ntiaj teb cov rooj tog kev lag luam muaj qhov tseem ceeb loj hlob, kev xav tau los ntawm kev xav tau sai sai, thiab...
Ntau
20Jul2025
Koj paub ntau npaum li cas polyurea?
Koj paub ntau npaum li cas polyurea? Polyureaa yog ib qho khoom siv elastomeric tsim los ntawm cov tshuaj tiv thaiv ntawm ovocyanate Cheebtsam nrog...
Ntau
19Jul2025
Dab tsi yog qhov zoo ntawm polyurethane ua npuas ncauj rwb thaiv tsev?
Dab tsi yog qhov zoo ntawm polyurethane ua npuas ncauj rwb thaiv tsev? Rwb thaiv tsev ua npuas ncauj muaj nyob rau hauv ob hom loj: flexible ua npu...
Ntau
18Jul2025
Tuam Tshoj thov txiav npluav rau kev siv HCFC-141B raws li cov neeg sawv cev ...
Thaum Lub Xya hli ntuj 2, 2025, hauv txoj kab nrog nws cov lus cog tseg hauv kev tiv thaiv Ozone txheej thiab cov kev cai Montreal ntawm cov tshuaj...
Ntau