Thermoplanes polyurethane elalastomer efe?

Thermoplanes polyurethane elalastomer efe?

Polyurethane elastomer ke mefuta e mengata ea polyurethane e ngata ea polyurethane Mefuta ea Liolafo ea Polyurethane e lahleloa elastomes, e khutsisitsoeng joalo ka CPU, le sebaka se tsoakiloeng le sebaka sa PolyureThane le Chorestomers, e khutsisitsoeng joalo ka MPU).

TPU ke mofuta oa elastorethane elastomer e ka ba polasetiki ka ho futhumatsoa le ho qhibiliha ka ho batla. Ha e bapisoa le CPU le MPU, TPU e se na moeli oa lik'hemik'hale ka lik'hemik'hale. Chain ea eona ea li-balek'hule ea lisele e kamele, empa ho na le palo e itseng ea ho hokahanya 'meleng. Ena ke Thermoplanes Polyurethane elastomer e nang le litšobotsi tse tloaelehileng ka sebopeho.

Sebopeho le khethollo ea tpu

Thermoplanes Polyurethane elastomer ke (AB) block melaar polymer. E emela polymer polyol (ester kapa polythether, boima ba limolecular B E emela Diol e nang le limpho tsa litloebelele tse 2-12 tse otlolohileng tsa chain, e bitsoang ketane e khuts'oane.

Sebopeho sa Thermoplanes Polyurethane elastomer e lesela, setša se bitsoa karolo ea ho feto-fetoha le maemo le bonolo, ho etsa TPU ho tšehelitsoe; Sekhahla sa Urethane se hlahisoang ke karabelo lipakeng tsa karolo ea B le IsCanyate e bitsoa karolo e thata, e nang le thepa e thata le e thata. Ka ho fetola karolelano ea likarolo tsa li-en le B tsa BGU, lihlahisoa tsa TPU tse nang le thepa e fapaneng ea 'mele le ea tšebetso ea' mele.

Ho latela sebopeho se sa bonolo, se ka aroloa ka mofuta oa polyester, mofuta oa polyotherne, o nang le sehlopha sa ESTER, sehlopha sa maqhubu a Ether,. Ho latela sebopeho se boima, e ka aroloa ho mofuta oa urethane oa urethane le urea. Khethollo e tloaelehileng e arotsoe ka mofuta oa polyester le mofuta oa polyother.

Lisebelisoa tse tala tsa TPU ke eng?

(1) polymer diol

MacroLelecular diol ka boima ba limok'hule ho tloha ho lihlopha tse 500 ho isa ho tse 4000

Polymer Diol e loketseng TPU elastomer e ka aroloa ka polyester le polysether: Polyesterne e kenyelletsa polystetrame atipifi acid glycol (PBA) Li-Polyotherther li kenyelletsa polyoxyproplene ether

(2) diosocytate

Boima ba limolek'hule bo nyane empa tšebetso e ikhethile, e leng eona feela e bapala karolo ea ho hokahanya karolo e bonolo le karolo e boima. Li-diosocynate tse sebetsang ho TPU ke tsa TPU ke: Methylyyate (MDI), PPDI), PPDI), P-PhenyDoxynate (NDDI) diiocynate (pxdi), jj.

(3) Chain Exvander

Chain o ile a qala ho ba le boima ba limolek'hule tsa 100 ~ 350, ho ba boima ba liselechure le ho se be sehlopha se ka bang sephara sa tpula. Bahlabani ba lichankana ba loketseng TPU ba tšoanetse 1,4-Butanediol (BO4-BIS (1-hydronesemOnenimonony (PXG), joalo-joalo), joalo-joalo), joalo-joalo), joalo-joalo), jj.

Kopo ea Pherekano ea TPU e le moemeli ea tobileng

Bakeng sa ho fokotsa litšenyehelo tsa sehlahisoa le ho fumana tšebetso e eketsehileng, li-alastomers tsa polyure li ka sebelisoa e le li-aghers tsa kalafo tse fapaneng tsa thermopches le tse fetotsoeng tsa rabara.

Ka lebaka la phepelo ea eona e phahameng, Polyurethane e ka lumellana le li-wanbers tsa Polar kapa li-ruri, tse kang chloethylene (CPE), e ka sebelisoang ho etsa lihlahisoa tsa bongaka. Ho kopanya le abe ho ka nka sebaka sa boenjiniere ho beha likotlo tsa boenjiniere bakeng sa tšebeliso; Ha e sebelisoa hammoho le polycarbonate (PC), e na le thepa e kang ho hanyetsa oli, ho hanyetsa ho hanyetsa, 'me ho ka sebelisoa ho etsa' mele ea beu; Ha e kopantsoe le polyester, ho ba thata ho eona ho ka re ntlafala; Ntle le moo, e ka lumellana hantle le PVC, Polyoxymene kapa Pvdc; Polyester Polyurethane e ka lumellana hantle le Netrile Rubber kapa 40% Netrile Rubber / pvc e kopanya; Polyother Polyurethane e ka boela e tsamaisane le 40% Nitrile Rubber / Polyvinyl Chlonide Clondide; E ka boela ea tsamaisana le stynenitri Styrenele (San) Bangoli ba Acrylonitri (San) E ka theha mekhabiso e lekanyang (ipn) e nang le polysiloxanes. Boholo ba meralo ea kopantsoe ka holimo e se e hlahisitsoe ka molao.

Lilemong tsa morao tjena, ho bile le lipatlisiso tse ntseng li eketseha mabapi le ho ruruha ha pom ke TPU Chaena. Ho kopanya le TPU le pompo ha ho ntlafatse feela likhato tse phahameng tsa mocheso le lisebelisoa tsa mochini tsa TPU, empa hape li tiisa pompo. Bafuputsi ba bang ba bontšitse hore tlhahlobo e robehileng ea ponts, e bapisoa le Pom Matrix, pom e alimiloeng ka tputtle e ntse e robehile. Kenyelletso ea TPU hape e leka hape pom e nang le ts'ebetso ea memori ea khatello ea maikutlo. Sebaka sa Crystalline sa Pom se sebetsa e le karolo e tsitsitseng ea methapo ea maikutlo ea sebopeho ea Amorphous ea Amorphous TPU le Pom e sebetsa e le karolo e kholo. Ha mocheso oa ho hlaphoheloa ke 165 ℃ le nako ea ho hlaphoheloa ke metsotsoana ea ho hlaphoheloa, sekhahla sa ho hlaphoheloa ha Afalo a ntse a fihla ho 95% e ntle ka ho fetisisa.

TPU ho thata ho lumellana le lisebelisoa tse sa poheng tsa polarlengne, polyproplene, polyproplene, polao ea rabara, 'me e ke ke ea sebelisoa ho hlahisa li-compos kapa li ke ke tsa sebelisoa ho hlahisa li-compos kapa ho se sebetse hantle. Ka hona, mekhoa ea kalafo e kang plasma, corona, k'hemistri ea kalafo, corome, malakabe kapa khase e sebetsang hangata e sebelisoa bakeng sa morao-rao. Mohlala, lihlahisoa tsa moea tsa Amerika le tsa lik'hemik'hale li nkile tlhaselo ea khase e nang le monko o matla oa polyothylene hantle haholo, e leng matla a ho hanyetsa le ho apara. Le kalafo ea khase ea F2 / O2 e ka sebelisoa hape ho likhoele tse khutšoane tse telele tse nang le bolelele ba 6-35mm, e ka ntlafatsang ho satalla le ho tšolla ho tšolla thepa e likarolo.

Libaka tsa lits'ebetso tsa TPU ke eng?

Ka 1958, Goodrich oa lik'hemik'hale tsa Goodrich (e fetile Lubrorgol) e ngolisitsoeng le mofuta oa TPU ka lekhetlo la pele. Lilemong tse 40 tse fetileng, ho bile le mabitso a manyane ho feta lefatše, 'me mokhoa o mong le o mong o na le lihlahisoa tsa lihlahisoa tse' maloa. Hajoale, baetsi ba thepa ea mantlha ea TPU lefatšeng ke: Basf, coverstro, Lubrigh, Huntsman Corporation, Mckinsey, Khauta, Jckinsey, Khauta, Jckinsey

Joaloka elattomer e ntle haholo, TPU e na le lihlahisoa tse ngata tsa BOWnstream, tse sebelisoang haholo linthong tsa letsatsi le letsatsi, thepa ea lipapali, lisebelisoa tse mekhabiso le masimo a ho bapala le masimo a ho bapala le masimo a ho bapala le masimo a ho bapala le masimo a ho bapala le masimo a mekhabiso Ka tlase ho mehla e 'maloa.

① Thepa ea lieta

TPU e sebelisoa haholo bakeng sa thepa ea lieta ka lebaka la ho etlolla lintho tsa eona tse ntle le ho apara. Lihlahisoa tsa maoto tse nang le TPU li bonolo haholo ho apara lihlahisoa tsa maoto a tloaelehileng, haholo-holo lieta tsa maoto le lieta tse bohlano.

② Hoses

Ka lebaka la bonolo ba eona, matla a matle, matla le mocheso o matla oa khase le liserekisi, likoloi tsa lithuthu.

③ Cable

TPU e fana ka khanyetso ea meroalo, e roala ho hanyetsa, le litšobotsi tse hohelang, ho hanyetsa senotlolo se phahameng le se tlase. Kahoo ho 'maraka oa China, likhabneng tse tsoetseng pele e le likhoele tsa taolo le likhoele tsa motlakase li sebelisa TPUs ho sireletsa lisebelisoa tse thata tsa koluoa, mme likopo tsa tsona li ntse li atile.

Lipapali tsa Bongaka

TPU ke thepa e sireletsehileng, e nang le boleng bo matla le e phahameng le e phahameng e ke keng ea se ba le phtaita le lits'oants'o tse ling tsa li-cuteng tsa bongaka ho baka litlamorao. Ho feta moo, sehlopha se ntlafalitsoeng se ntlafalitsoeng le santiction TPU se ka sebelisoa habonolo ka ho etsa lintho tse nyane tse teng lisebelisoa tsa PVC tse teng.

Likoloi le Maetong a mang a lipalangoang

Ka ho fetelletsa le ho oela ka mahlakore ka bobeli a masela a nylon le polyurethane thermoplane Polyurethane Thermoplay ea Thermoplay ea Thermoplane