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Tataiso ea ho Theha Polyurethane: Ho tloha Moralong oa Limolek'hule ho ea ho Ntlafatso ea Ts'ebetso
Ithute kamoo di-formulations tsa polyurethane di entsweng kateng ho sebediswa di-polyol, di-isocyanate, di-catalyst, di-blowing agents le di-additives. Sibolla kamoo sebopeho sa dimolek'hule se etsang qeto ya tshebetso ho foam, dikobo, di-elastomer le di-glue. ...Bala haholoanyane -
Liphoso tse Tharo tse Tloaelehileng tsa Polyurethane: Likoti tse Khutšoanyane, Likoti tsa ho Shrinkage, le Matšoao a Phallo — Lisosa tsa Motso le Litharollo tsa Boenjiniere
Hobaneng Liphoso Tsena li Tsoela Pele ho Hlahisa Tlhahiso Ts'ebetsong ea ho lahla le ho bopa polyurethane, li-pinhole, likoti tsa ho putlama, le matšoao a phallo ke tse ling tsa liphoso tse hlahang khafetsa holim'a metsi lits'ebetsong tse tenyetsehang le tse thata tsa polyurethane ...Bala haholoanyane -
Kamoo Viscosity le Elasticity li Fetohang Kateng Nakong ea ho Foamisa Foam ea Polyurethane
Hobaneng Boitšoaro ba Viscoelastic bo le Bohlokoa Tlhahisong ea Foam ea Polyurethane Tshebetso ea foam ea polyurethane e amana haufi-ufi le phetoho ea viscosity le ho tenyetseha nakong ea ts'ebetso ea foam. Ebang ke ho hlahisa foam e tenyetsehang, foam e thata ea insulation, kapa polyurethane e khethehileng ...Bala haholoanyane -
'Nete e ka Mora Mathata a ho Kopanya Liphanele tsa Polyurethane ho Litsamaiso tse Blown tsa Pentane le Mokhoa oa ho li Rarolla
01. Selelekela: Kamoo Panele e le 'Ngoe e Hlakotsoeng e Lebisitseng Tahlehelong e Kholo Sebakeng sa tlhahiso sa moetsi e moholo oa thepa ea kaho, liphanele tsa sandwich tsa polyurethane tse sa tsoa hlahisoa tse nang le sefahleho sa tšepe li ile tsa beoa hantle ka mor'a ho tloha ...Bala haholoanyane -
Na o na le ho dutla? Kamoo Li-Catalyst tsa Polyurethane Amine li ka Thusang Kateng
Ho dutla ha metsi a thata konkreite le majwe a maholo ho hloka tharollo e tsoetseng pele. Tšusumetso ea lichelete ea litaba tse joalo e kholo. Ho ea ka Mokhatlo oa Inshorense oa Amerika, ho dutla ha metsi ho fella ka tahlehelo ea thepa e fetang $10 bilione ka selemo. Karabo e ho li-grout tsa sejoale-joale tsa polyurethane. Tsena ...Bala haholoanyane -
Litsela tse 3 tsa ho eketsa lebelo la ho kenya mocheso oa tertiary amine
MOFAN TMR-2, e tsejoang ka nomoro ea 62314-25-4, e hlahella e le sesebelisoa sa amine se phahameng se potlakisang ho thibela liphaephe ka liketso tse tharo tse kholo: ho qala ka karabelo e potlakileng, katoloso e ntlafalitsoeng ea foam, le ho fola ka potlako. Sesebelisoa sena se sebelisana le lihlopha tsa isocyanate, se eketsa ts'ebetso ea tsona le ho etsa ...Bala haholoanyane -
Mokhoa oa tlhahiso ea ho itlotsa letlalo ka polyurethane
Karolelano ea Polyol le isocyanate: Polyol e na le boleng bo phahameng ba hydroxyl le boima bo boholo ba limolek'hule, e leng se tla eketsa bongata ba ho kopanya le ho thusa ho ntlafatsa bongata ba foam. Ho fetola index ea isocyanate, ke hore, karolelano ea molar ea isocyanate ho ea ho hydrogen e sebetsang ka har'a po...Bala haholoanyane -
Ithute ka sekhomaretsi sa polyurethane bakeng sa ho paka ka mokhoa o tenyetsehang ntle le ho phekola mocheso o phahameng
Mofuta o mocha oa sekhomaretsi sa polyurethane o lokisitsoe ka ho sebelisa li-polyacid tse nyane tsa limolek'hule le li-polyol tse nyane tsa limolek'hule e le thepa ea mantlha ea ho lokisa li-prepolymer. Nakong ea ts'ebetso ea katoloso ea ketane, li-polymer tse nang le makala a mangata le li-trimer tsa HDI li ile tsa kenngoa ka har'a polyuretha...Bala haholoanyane -
Moralo o sebetsang hantle oa li-elastomer tsa polyurethane le ts'ebeliso ea tsona tlhahisong ea maemo a holimo
Li-elastomer tsa polyurethane ke sehlopha sa bohlokoa sa thepa ea polymer e sebetsang hantle. Ka thepa ea tsona e ikhethang ea 'mele le ea lik'hemik'hale le ts'ebetso e ntle e felletseng, li na le boemo ba bohlokoa indastering ea sejoale-joale. Lisebelisoa tsena li sebelisoa haholo libakeng tse ngata...Bala haholoanyane -
Polyurethane e thehiloeng metsing e seng ea ionic e nang le khanya e ntle bakeng sa ho sebelisoa ho phetheleng letlalo
Lisebelisoa tsa ho roala tsa polyurethane li sekamela ho ba mosehla ha nako e ntse e ea ka lebaka la ho pepesehela khanya ea ultraviolet kapa mocheso nako e telele, e leng se amang ponahalo ea tsona le bophelo ba tsona ba ts'ebeletso. Ka ho kenyelletsa UV-320 le 2-hydroxyethyl thiophosphate katolosong ea ketane ea polyurethane, e seng ea ioni...Bala haholoanyane -
Na thepa ea polyurethane e bontša ho hanyetsa mocheso o phahameng?
1 Na thepa ea polyurethane e hanela mocheso o phahameng? Ka kakaretso, polyurethane ha e hanele mocheso o phahameng, esita le ka sistimi e tloaelehileng ea PPDI, moeli oa eona o phahameng oa mocheso o ka ba hoo e ka bang 150° feela. Mefuta e tloaelehileng ea polyester kapa polyether e kanna ea se khone ho...Bala haholoanyane -
Litsebi tsa Lefatše tsa Polyurethane li Tla Bokana Atlanta bakeng sa Seboka sa Botekgeniki sa Polyurethanes sa 2024
Atlanta, GA – Ho tloha ka la 30 Loetse ho isa la 2 Mphalane, Hotele ea Omni e Centennial Park e tla tšoara Seboka sa Botekgeniki sa Polyurethanes sa 2024, se kopanyang litsebi tse etellang pele le litsebi tse tsoang indastering ea polyurethane lefatšeng ka bophara. E hlophisitsoe ke Lekhotla la K'hemistri la Amerika...Bala haholoanyane
