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Umhlahlandlela Wokwenza I-Polyurethane: Kusukela Ekuklanyweni Kwama-Molecular Kuya Ekuthuthukisweni Kokusebenza
Funda ukuthi amafomula e-polyurethane aklanywa kanjani kusetshenziswa ama-polyol, ama-isocyanates, ama-catalysts, ama-blowing agents, kanye nezithasiselo. Thola ukuthi isakhiwo sama-molecule sinquma kanjani ukusebenza kwe-foam, i-coating, ama-elastomers, kanye ne-adhesive. ...Funda kabanzi -
Amaphutha Amathathu Avamile E-Polyurethane: Ama-Pinholes, Ama-Srinkage Cavities, kanye Nezimpawu Zokugeleza — Izimbangela Eziyinhloko Nezixazululo Zobunjiniyela
Kungani Lamaphutha Eqhubeka Evela Ekukhiqizweni Ezinqubweni zokubumba nokubumba i-polyurethane, ama-pinhole, imigodi yokuncipha, kanye nama-flow marks kuphakathi kwamaphutha avame ukuvela ebusweni kokubili ezinhlelweni ze-polyurethane eziguquguqukayo neziqinile...Funda kabanzi -
Indlela i-Viscosity kanye ne-Elasticity ezishintsha ngayo ngesikhathi se-Polyurethane Foam Foam
Kungani Ukuziphatha Okune-Viscoelastic Kubalulekile Ekukhiqizweni Kwe-Polyurethane Foam Ukusebenza kwe-polyurethane foam kuhlobene kakhulu nokuvela kwe-viscosity kanye nokuqina ngesikhathi senqubo yokwenza i-foam. Kungakhathaliseki ukuthi kukhiqiza i-foam eguquguqukayo, i-robust insulation foam eqinile, noma i-polyurethane ekhethekile ...Funda kabanzi -
Iqiniso Elingemuva Kwezinkinga Zokubopha Amaphaneli E-Polyurethane Ezinhlelweni Eziqhumile Ze-Pentane Nendlela Yokuzixazulula
01. Isingeniso: Indlela Iphaneli Elilodwa Elihlukanisiwe Elaholela Ngayo Ekulahlekelweni Okukhulu Eshabhu lokukhiqiza lomkhiqizi omkhulu wezinto zokwakha, amaphaneli esandwich e-polyurethane asanda kukhiqizwa ahlanganiswe kahle ngemva kokushiya okuqhubekayo ...Funda kabanzi -
Ingabe Unayo I-Leaks? Ama-Catalyst e-Polyurethane Amine Angasiza Kanjani
Ukuvuza kwamanzi okuqinile kukhonkrithi kanye nokwakha kudinga ikhambi elithuthukisiwe. Umthelela wezezimali wezinkinga ezinjalo ubalulekile. Ngokusho kwe-American Insurance Association, ukuvuza kwamanzi kuholela ekulahlekelweni kwempahla okungaphezu kwamaRandi ayizigidi eziyizinkulungwane eziyi-10 ngonyaka. Impendulo itholakala kuma-grout e-polyurethane anamuhla. Lezi ...Funda kabanzi -
Izindlela ezintathu i-tertiary amine catalyst ekhulisa ngazo isivinini sokufakwa kokushisa
I-MOFAN TMR-2, eyaziwa ngenombolo 62314-25-4, ivelele njenge-amine catalyst esheshisa ukufakelwa kwamapayipi ngezenzo ezintathu eziyinhloko: ukuqala kokusabela okusheshayo, ukwandiswa kwe-foam okuthuthukisiwe, kanye nokuqina okusheshayo. Le catalyst ixhumana namaqembu e-isocyanate, yandisa ukusabela kwawo futhi yenza ...Funda kabanzi -
Inqubo yokukhiqiza isikhumba se-polyurethane
Isilinganiso se-Polyol ne-isocyanate: I-Polyol inenani eliphezulu le-hydroxyl kanye nesisindo esikhulu sama-molecule, okuzokwandisa ubuningi bokuxhumanisa futhi kusize ekuthuthukiseni ubuningi be-foam. Ukulungisa inkomba ye-isocyanate, okungukuthi, isilinganiso se-molar se-isocyanate ku-hydrogen esebenzayo ku-po...Funda kabanzi -
Ucwaningo nge-polyurethane adhesive yokupakisha okuguquguqukayo ngaphandle kokushisa okuphezulu
Uhlobo olusha lwe-polyurethane adhesive lwalungiswa ngokusebenzisa ama-polyacid amancane e-molecule kanye nama-polyol amancane e-molecule njengezinto eziyisisekelo zokulungisa ama-prepolymer. Ngesikhathi senqubo yokwelulwa kweketanga, ama-polymer ahlanganisiwe kanye nama-trimer e-HDI afakwa ku-polyuretha...Funda kabanzi -
Umklamo osebenza kahle kakhulu wama-polyurethane elastomers kanye nokusetshenziswa kwawo ekukhiqizeni okusezingeni eliphezulu
Ama-elastomer e-polyurethane ayisigaba esibalulekile sezinto ze-polymer ezisebenza kahle kakhulu. Ngezakhiwo zawo ezihlukile zomzimba nezamakhemikhali kanye nokusebenza okuhle kakhulu okuphelele, athatha isikhundla esibalulekile embonini yanamuhla. Lezi zinto zisetshenziswa kabanzi...Funda kabanzi -
I-polyurethane engeyona i-ionic esuselwe emanzini enokukhanya okuhle okusheshayo kokusetshenziswa ekuqedeni isikhumba
Izinto zokumboza ze-polyurethane zithambekele ekubeni phuzi ngokuhamba kwesikhathi ngenxa yokuchayeka isikhathi eside ekukhanyeni noma ekushiseni kwe-ultraviolet, okuthinta ukubukeka kwazo kanye nokuphila kwazo. Ngokufaka i-UV-320 kanye ne-2-hydroxyethyl thiophosphate ekwandisweni kweketanga le-polyurethane, okungeyona i-ion...Funda kabanzi -
Ingabe izinto ze-polyurethane zibonisa ukumelana namazinga okushisa aphezulu?
1 Ingabe izinto ze-polyurethane ziyamelana namazinga okushisa aphezulu? Ngokuvamile, i-polyurethane ayimelani namazinga okushisa aphezulu, ngisho noma inesistimu ye-PPDI evamile, umkhawulo wayo wokushisa ophezulu ungaba cishe ku-150° kuphela. Izinhlobo ze-polyester noma ze-polyester ezijwayelekile zingase zingakwazi...Funda kabanzi -
Ochwepheshe Bomhlaba Wonke Be-Polyurethane Bazohlangana e-Atlanta eNgqungqutheleni Yobuchwepheshe Be-Polyurethanes ka-2024
I-Atlanta, GA – Kusukela mhla zingama-30 kuMandulo kuya kumhla zi-2 kuMfumfu, i-Omni Hotel eCentennial Park izosingatha iNgqungquthela Yobuchwepheshe be-Polyurethanes ka-2024, ihlanganisa ochwepheshe abaphambili kanye nochwepheshe abavela embonini ye-polyurethane emhlabeni jikelele. Ihlelwe yi-American Chemistry Council...Funda kabanzi
