-
IiPolyols ezikhethekileyo: Isikhokelo esipheleleyo seeNdidi, iiPropati kunye nezicelo
Kwikhemistri yepolymer, iipolyols ezikhethekileyo zisebenza njengeebhloko zokwakha ezibalulekileyo. Amaqela eHydroxyl asabela kunye nee-isocyanates ukwenza unxibelelwano oluqinileyo lwe-urethane. I-MOFAN ivelisa uthotho lwe-polyether yobuchwephesha kunye ne-polyethylene glycols ephezulu (PEG) kwiinkqubo zoshishino. Iinjineli zeekhemikhali zisebenzisa ezi compone...Funda ngokugqithisileyo -
Isikhokelo soYilo lwePolyester Polyol Formulation: Ukusuka ekuKhethweni kweMonomer ukuya kwiNkqubo yokwenziwa
Ukuqonda iKhemistri Esemva kwePolyester Polyols eSebenza ngokuPhezulu kwizicelo zePolyurethane I-polyester polyol yenye yezinto eziphambili ezisetyenziswa kwiinkqubo ze-polyurethane (PU), kubandakanya i-polyurethane ethwala amanzi, ii-polyurethane elastomers, iingubo, izincamathelisi, ulusu oluyilwe, kunye nezinye...Funda ngokugqithisileyo -
I-TEDA Catalyst: Iipropati, iiNkqubo kunye neSikhokelo sabaNiki
I-catalyst ye-TEDA, eyaziwa ngokwekhemikhali njenge-triethylenediamine (CAS 280-57-9), ibalulekile kwimveliso ye-polyurethane foam. I-Triethylenediamine isebenza njenge-catalyst, ikhawulezisa zombini ii-gelling kunye ne-blowing reactions. I-MOFAN TEDA ivelele njenge-high-per...Funda ngokugqithisileyo -
I-DMCHA Catalyst: Iipropati, iiNkqubo kunye neSikhokelo sabaThengisi
I-DMCHA yinxalenye ebalulekileyo ekwenzeni izinto ze-polyurethane. Iinkampani zisebenzisa i-DMCHA ukukhawulezisa iintshukumo kwiinkqubo ze-polyurethane. Ezi nkqubo ziquka ukugquma i-foam eqinileyo kunye nezinye iimveliso zeefektri. Ii-catalysts ze-polyurethane amine ezifana ne-DMCH...Funda ngokugqithisileyo -
I-Polyurethane Catalyst: Isikhokelo esipheleleyo seeNdidi, iiMisebenzi kunye neeNkqubo
I-polyurethane catalyst yinto ekhawulezisa ukusabela kweekhemikhali kwimveliso ye-polyurethane. Abavelisi baxhomekeke kwi-catalysts ukunciphisa amaxesha okusabela, ukuphucula ukuhambelana, kunye neempawu zolawulo ezifana nokuqina kunye nokuguquguquka. Uphawu...Funda ngokugqithisileyo -
Isikhokelo Sokwenziwa kwePolyurethane: Ukusuka kuYilo lweeMolekyuli ukuya kuLungiso lokuSebenza
Funda indlela eziyilwe ngayo iifomyula ze-polyurethane kusetyenziswa ii-polyols, ii-isocyanates, ii-catalysts, ii-blowing agents, kunye nezongezo. Fumanisa indlela ulwakhiwo lwe-molecular olumisela ngayo ukusebenza kwi-foam, ii-coating, ii-elastomers, kunye nee-adhesives. ...Funda ngokugqithisileyo -
Iziphene ezintathu eziqhelekileyo zePolyurethane: iiPinholes, iiCrinkage Cavities, kunye neeFlow Marks — Iingcambu zeMpembelelo kunye nezisombululo zobuNjineli
Kutheni Ezi Ziphene Zihlala Zivela Kwimveliso Kwiinkqubo zokubumba nokubumba i-polyurethane, imingxuma ye-pinhole, imingxuma yokushwabana, kunye neempawu zokuhamba ziphakathi kweziphene eziphindaphindayo kumphezulu kwiinkqubo ze-polyurethane eziguquguqukayo neziqinileyo...Funda ngokugqithisileyo -
Indlela i-Viscosity kunye ne-Elasticity eziguquka ngayo ngexesha le-Polyurethane Foam Foam
Kutheni Ukuziphatha Kwe-Viscoelastic Kubalulekile Kwimveliso Ye-Polyurethane Foam Ukusebenza kwe-polyurethane foam kunxulumene ngokusondeleyo nokuguquka kwe-viscosity kunye nokuguquguquka ngexesha lenkqubo ye-foam. Nokuba kuveliswa i-foam eguquguqukayo, i-rogid insulation foam, okanye i-polyurethane ekhethekileyo ...Funda ngokugqithisileyo -
Inyaniso Engasemva Kweengxaki Zokubopha Iipaneli zePolyurethane Kwiinkqubo Ezitshisiweyo ZePentane Nendlela Yokuzisombulula
01. Intshayelelo: Indlela iPaneli enye eDelaminated eyakhokelela ngayo kwilahleko enkulu Kwiworkshop yemveliso yomenzi wezinto zokwakha omkhulu, iipaneli zesandwich ze-polyurethane ezisandula ukuveliswa ezenziwe ngesinyithi zabekwa kakuhle emva kokushiya i-continuous ...Funda ngokugqithisileyo -
Ngokwembono yeTriazine Chemistry: Kutheni Izinto Ezithintela Ilangatye Ezisekelwe kwiNitrogen Zikhetha iTriazine
Abantu abaninzi banombuzo xa beqala ukudibana nezinto ezithintela ilangatye ezine-nitrogen: Ekubeni ukuthintelwa komlilo kufuna "i-nitrogen", kutheni le nto ishishini ekugqibeleni likhetha kakhulu isakhiwo se-"triazine ring", endaweni ye-simpler amines, urea, i-guanidine...Funda ngokugqithisileyo -
Yeyiphi iPolyurethane Catalyst ezisa iziphumo ezingcono kwi-2026 DMDEE okanye ezinye iindlela
Ngowama-2026, i-DMDEE, kuquka i-MOFAN DMDEE ene-chemical identifier 6425-39-4, kulindeleke ukuba ihlale iyindlela ephambili yokwenza i-polyurethane. Ukukhetha i-catalyst efanelekileyo kutshintsha umgangatho kunye nokhuseleko lwemveliso. Inkcazo yeFactor Uhlobo lwenkqubo ye-polyurethane Iinkqubo ezahlukeneyo zifuna ii-ca...Funda ngokugqithisileyo -
Ngaba Unayo I-Leaks? IiCatalysts zePolyurethane Amine Ezinokunceda Njani
Ukuvuza kwamanzi aqinileyo kwikhonkrithi nakwizakhiwo zamatye kufuna isisombululo esiphambili. Impembelelo yemali yemicimbi enjalo ibalulekile. Ngokutsho kwe-American Insurance Association, ukuvuza kwamanzi kubangela ukulahleka kwepropathi okungaphezulu kwe-$10 yeebhiliyoni ngonyaka. Impendulo ikwii-grouts zanamhlanje ze-polyurethane. Ezi ...Funda ngokugqithisileyo
