Ulwazi lwe-polyurethane
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YIYIPHI ENGCONO, I-RABBER YODWA NOMA I-PU SOLE?
Ngokuthuthukiswa kwamazinga okuphila awo wonke umuntu, wonke umuntu useqalile ukuphishekela impilo yeqophelo eliphezulu kuzo zonke izici.Kubuye kukhethwe izicathulo.Okuhlangenwe nakho okulethwa izicathulo ezahlukene nakho kuhlukile.Okujwayelekile kukhona ama-rubber soles nezicathulo ze-polyurethane.Umehluko: I-Rubber soles ...Funda kabanzi -
Isimo Sokuthuthukiswa Kwemboni Ye-polyurethane Ngo-2022
Imboni ye-polyurethane yaqala eJalimane futhi ithuthuke ngokushesha eYurophu, eMelika naseJapane iminyaka engaphezu kwengu-50, futhi isibe imboni ekhula ngokushesha embonini yamakhemikhali.Ngawo-1970, imikhiqizo ye-polyurethane yomhlaba wonke yafinyelela amathani ayizigidi ezingu-1.1, yafinyelela amathani ayizigidi ezingu-10 ...Funda kabanzi -
2022 Izinto Ezine Zithuthukisa Ikusasa Le-Polyurethane
1. Ukukhuthazwa kwenqubomgomo.Uchungechunge lwezinqubomgomo nemithethonqubo yokwakha ukongiwa kwamandla selumenyezelwe eShayina.Ukongiwa kwamandla kanye nokwehliswa kokungcola kwamaphrojekthi wokwakha kuyisiqondiso esibalulekile sikahulumeni sokutshalwa kwezimali, futhi inqubomgomo yokonga ugesi yokwakha iye yaba ...Funda kabanzi -
Umehluko Phakathi kwe-MDI ne-TDI
Kokubili i-TDI ne-MDI ziwuhlobo lwempahla eluhlaza ekukhiqizeni i-polyurethane, futhi zingashintshana ngokwezinga elithile, kodwa awukho umehluko omncane phakathi kwe-TDI ne-MDI mayelana nesakhiwo, ukusebenza kanye nokusetshenziswa kweziqephu.1. Okuqukethwe kwe-isocyanate kwe-TDI kungaphezulu kwalokho kwe-MDI, ...Funda kabanzi -
Ingabe Uke Wabhekana Nezinkinga Ezilandelayo Lapho Usebenzisa I-Polyurethane?
I-polyurethane spraying iyimishini yokufafaza enengcindezi ephezulu ye-polyurethane.Ngenxa yokuthi impahla yemishini yokufutha enomfutho ophezulu igxotshwa egunjini elincane lokuxuba futhi iphothwe ngamandla ngesivinini esikhulu, ukuxuba kuhle kakhulu.Izinto ezihamba ngesivinini esikhulu zakha amaconsi enkungu amahle emlonyeni...Funda kabanzi -
Umehluko Phakathi kwe-TPU Nerabha
I-TPU (Thermoplastic polyurethanes) iyinto ephakathi kwerabha nepulasitiki.Izinto ezisetshenziswayo azikwazi ukumelana nowoyela namanzi futhi zinokuthwala kahle kakhulu futhi zikwazi ukumelana nomthelela.I-TPU iyimpahla ye-polymer engenabuthi evumelana nemvelo.I-Tpu impahla inezinzuzo zokunwebeka okuphezulu kwerabha ne...Funda kabanzi -
Ingabe Uke Wabhekana Nezinkinga Ezilandelayo Enqubweni Ye-Polyurethane Foaming?
I-polyurethane foam iyi-polymer yamangqamuzana aphezulu.Umkhiqizo owenziwe nge-polyurethane ne-polyether oxutshwe ngobuchule.Kuze kube manje, kunezinhlobo ezimbili zegwebu eliguquguqukayo kanye negwebu eliqinile emakethe.Phakathi kwazo, igwebu eliqinile liyisakhiwo esinamaseli avaliwe, kuyilapho igwebu eliguquguqukayo liwuchungechunge lwamaseli avulekile...Funda kabanzi -
Uyini Umehluko Phakathi Kwe-Polyurethane Ne-Epoxy Resin?
I-Commonality Kanye Nomehluko Phakathi Kwe-Polyurethane Ne-Epoxy Resin: I-Commonality: 1) I-polyurethane ne-epoxy resin ziyizingxenye ezimbili, futhi imishini nezindlela zokusebenza ziyafana;2) Kokubili kunokumelana okuhle kwe-tensile, akukho ukuqhekeka, akukho ukuwa kanye nezinye izakhiwo;3) Bot...Funda kabanzi -
Elinye Ikhemikhali Liyavutha Ngo-2022!Amanani e-TDI Ehle Kakhulu E-Europe, Imboni ye-TDI yaseChina Ithuthukile
Ngokwezindaba zakamuva ezikhishwe yi-China Financial Association: I-TDI isetshenziswa kakhulu kugwebu oluguquguqukayo, okokunamathela, ama-elastomers, nezinamatheliso.Phakathi kwazo, igwebu elithambile liyindawo esetshenziswa kakhulu, ebalwa ngaphezu kwama-70%.Isidingo esibulalayo se-TDI sigxile kwifenisha ethambile, ijazi ...Funda kabanzi -
Ukusetshenziswa Komshini Wokufutha we-Polyurea Embonini Yezithombe
Izingxenye ze-EPS(I-Polystyrene Enwetshiwe) aziguquki, isikhunta noma ubudala, umumo uyalungiswa, futhi imibala ehlukahlukene ingalungiswa.Umphumela wekhwalithi wokufafaza kwe-polyurea usetshenziswe kabanzi embonini yezithombe.I-spray polyurea enamathelayo ayincibiliki, iyelapha ngokushesha futhi iyinqubo elula.Ingabe b...Funda kabanzi -
Ukusetshenziswa Komshini Wokufutha we-Polyurethane Ekusakazeni
Umshini wokufafaza we-polyurethane unezinhlobo ezimbili zama-nozzle: i-spray nozzel ne-casting nozzel.Lapho kusetshenziswa i-nozzle yokuphonsa, umshini wokufafaza we-polyurethane ulungele ukuphonswa kwama-heaters amanzi elanga, ama-coolers amanzi, iminyango elwa nokweba, amathangi amanzi ombhoshongo wamanzi, iziqandisi, i-wat kagesi ...Funda kabanzi -
I-Waterproof And Anti-corrosion Of Polyurea Spraying Machine
Inhloso eyinhloko ye-polyurea kufanele isetshenziswe njenge-anti-corrosion kanye nempahla engangeni manzi.I-Polyurea iyimpahla ye-elastomer eyakhiwe ukusabela kwengxenye ye-isocyanate kanye nengxenye ye-amino compound.Ihlukaniswe nge-polyurea ehlanzekile ne-semi-polyurea, futhi izakhiwo zabo zihlukile.Okuningi kakhulu ...Funda kabanzi