Udidi: I-Thermoplastic Polyurethane Elastomer
Thermoplastic polyurethane elastomer, eyaziwa ngokuba TPU, luhlobo lwe (AB)n block linear polymer. I-A imele ubunzima obuphezulu be-molecular (1000 ~ 6000) i-polyester okanye i-polyether, kwaye i-B imele i-diol equkethe i-2 ~ 12 i-athomu ye-carbon chain straight. Ubume bekhemikhali phakathi kwamacandelo e-AB yi-disocyanate. Irabha ye-Thermoplastic polyurethane ixhomekeke kwi-intermolecular hydrogen bonding cross-linking okanye i-mild cross-linking phakathi kwamatyathanga e-macromolecular. Ngokunyuka okanye ukuncipha kweqondo lokushisa, ezi zimbini zezakhiwo ezinqamlezileyo zinokubuyisela umva. Kwimeko enyibilikisiweyo okanye isisombululo, amandla e-intermolecular phakathi kweeamolekyuli ziba buthathaka, kwaye emva kokupholisa okanye ukuphuphuma kwe-solvent, amandla anamandla e-intermolecular adibanisa kunye ukubuyisela ukusebenza okuqinileyo kwasekuqaleni. Isiqhelo TPU ibandakanya i-spandex, njl.
Ngcaciso E mfutshane
I-Thermoplastic polyurethane elastomer (TPU) luhlobo lwemathiriyeli e-elastiki enokuthi yenziwe iplastiki ngokufudumeza kwaye inyibilikiswe zizinyibilikisi. Ineempawu ezigqibeleleyo ezibanzi ezinje ngokuqina okuphezulu, ukuqina okuphezulu, ukumelana nokunxiba, kunye nokumelana neoyile, kunye nokusebenza kakuhle kokusebenza. Isetyenziswa kakhulu kumashishini afana nokhuselo lwelizwe, ezonyango, kunye nokutya.
Ngokusebenza kwayo okugqwesileyo kunye nokusetyenziswa okubanzi, i-thermoplastic polyurethane elastomer iye yaba yenye yezinto ezibalulekileyo ze-thermoplastic elastomer. Iimolekyuli zayo zinomgca kwaye zinemichiza encinci okanye azinayo i-cross-linking. Maninzi amakhonkco anqamlezayo enziwe ngamakhonkco e-hydrogen phakathi kwamatyathanga eemolekyuli ze-polyurethane, kwaye iibhondi ze-hydrogen zidlala indima ekomelezeni i-morphology yazo, ngaloo ndlela zinika iipropathi ezininzi ezigqwesileyo ezinje ngemodyuli ephezulu, amandla aphezulu, ukuxhathisa okugqwesileyo, ukumelana neekhemikhali, ukumelana ne-hydrolysis. , ukumelana nokushisa okuphezulu kunye nokuphantsi, kunye nokumelana nokubunjwa. Ezi zakhiwo zibalaseleyo zenza i-thermoplastic polyurethane isetyenziswe ngokubanzi kwiinkalo ezininzi ezifana nezihlangu, iintambo, iimpahla, iimoto, unyango kunye nempilo, imibhobho, iifilimu kunye namaphepha. Imveliso yokugqibela ngokubanzi ayifuni i-vulcanization cross-linking, enokunciphisa umjikelo wokuphendula kunye nokunciphisa ukusetyenziswa kwamandla. Kuba ngokusisiseko sisixhobo sepolymer esinemigca, ubuchwephesha obufanayo kunye nezixhobo njengeeplastiki ze-thermoplastic zingasetyenziselwa ukusetyenzwa, njengokubumba inaliti, i-extrusion, i-blow molding, kunye ne-calendering, ilungele ukuveliswa kobuninzi beendawo eziphakathi kunye nezincinci. Izinto ezilahlwayo zinokuphinda zisetyenziswe kwaye ziphinde zisetyenziswe, kwaye izongezo ezahlukeneyo okanye iifayili zingasetyenziselwa kwimveliso okanye inkqubo yokucubungula ukuphucula iimpawu ezithile zomzimba kunye nokunciphisa iindleko.
uhlelo
I-Thermoplastic polyurethane elastomers inokwahlulwa ibe ziindidi ezimbini: uhlobo lwepolyester kunye nohlobo lwepolyether. Ziyi-white irregular spherical or columnar particlear kunye noxinaniso lwe-1.10 ~ 1.25g / cm3. Ubuninzi obunxulumene nohlobo lwe-polyether luncinci kunohlobo lwe-polyester. Ubushushu beglasi benguqu yohlobo lwepolyether yi-100.6 ~ 106.1 ℃, ngelixa olo hlobo lwepolyester luyi-108.9 ~ 122.8℃. Ubushushu obunqabileyo bezombini i-polyether kunye ne-polyester ingaphantsi kune-62 ℃, kunye nokumelana nobushushu obuphantsi kohlobo lwe-polyether lungcono kunohlobo lwe-polyester.
uphawu
Iimpawu ezibalaseleyo ze-thermoplastic polyurethane elastomers kukunganyangeki okugqwesileyo, ukuxhathisa okuhle kakhulu kwe-ozone, ukuqina okuphezulu, ukomelela okuphezulu, ukuqina okuhle, kunye nokumelana nobushushu obuphantsi. Kananjalo banokunganyangeki kakuhle kweoli, ukuxhathisa imichiza, kunye nokuxhathisa kokusingqongileyo. Kwiindawo ezifumileyo, uzinzo lwe-hydrolysis yohlobo lwe-polyether lungaphezulu kakhulu kunolo lohlobo lwe-polyester.
Ubuchwephesha obutsha kunye nokuSetyenziswa okutsha
TPU lishishini elikhula ngokukhawuleza, elinobuchwepheshe obutsha, iimveliso, kunye nezicelo ezivela rhoqo. TPU isetyenziswe ngokubanzi kumashishini ahlukeneyo, kuquka izihlangu, iimpahla, imibhobho, iifilimu kunye namaphepha, iintambo, iimoto, ukwakhiwa, ukunakekelwa kwezempilo, ukukhusela, kunye nezemidlalo kunye nokuzonwabisa. TPU yamkelwa njengohlaza kunye nohlobo olutsha oluhambelana nokusingqongileyo lwemathiriyeli yepolymer kunye nokusebenza okugqwesileyo. Ngoku, TPU isetyenziswa kakhulu ekusetyenzisweni okuphantsi, ngelixa ukusetyenziswa okuphezulu kulawulwa ziinkampani ezithile zamazwe ngamazwe, kuquka i-Bayer yaseJamani kunye ne-BASF, kunye ne-United States 'Lubrizol kunye ne-Huntsman, eyandisa uphando kunye nemigudu yophuhliso kwiimveliso ezintsha. Ixabiso eliphezulu-longeziwe TPU iimveliso ziphuhliswa rhoqo kwaye zifakwe kwimarike, kwaye TPU imathiriyeli ibe yenye yezona zinto zikhula ngokukhawuleza ze-thermoplastic.
- Izihlangu: iilogo zezihlangu zemidlalo, iikhushini zomoya zezihlangu zemidlalo, izihlangu zokuhamba, iibhutsi zekhephu, izihlangu zegalufa, izityibilizi zomkhenkce, ilaphu kunye nezixhobo zelinen.
- Isinxibo: iibhatyi zokutyibiliza, iibhatyi zemvula, iibhatyi zomoya, iibhatyi ezingangenwa yingqele, iyunifomu yasendle, amadiapers, ibhulukhwe yefiziyoloji, kunye nemathiriyeli edibeneyo yelaphu (engangeni manzi kwaye ephefumla).
- Ezonyango: iigawuni zotyando, iminqwazi, izihlangu, iipadi zasesibhedlele, iingxowa zomkhenkce, amabhandeji, iingxowa zeplasma, amabhandeji otyando, iimaski, kunye nelaphu kunye nemathiriyeli yelinen, ii-airbags zebhedi yotyando.
- Iimveliso zokhuselo: iitanki zamafutha eenqwelo-moya, iifilimu zokugcina izixhobo, iifestile zentente, iingxowa zamanzi zasemkhosini, iibhatyi zobomi, izikhephe ezivuthekayo, kunye nelaphu kunye nemathiriyeli yelaphu, iingxowa zomoya.
- Izixhobo zemidlalo: imiphezulu yebhola ekhatywayo kunye neetyhubhu zangaphakathi, iibhedi ezivuthelwayo, iingxowa zamanzi, iiglavu zokutyibiliza (iingxowa ezingangenwa manzi), iisuti zokuntywila, iibhatyi zokutyibiliza, iimpahla zokuqubha, iskis, iilogo, ii-airbag, ihempe zemidlalo, iimpahla ezibhityileyo, nelaphu kunye nezixhobo zelinen.
- Iimveliso zemizi-mveliso: imiphetho yerabha yedrum yesipikha, imicu yokungangeni manzi, imathiriyeli yokugquma isandi, izinto ezingatshiyo, impahla engatshiyo, ilaphu elingatshiyo, kunye nelaphu kunye nezixhobo ezidityanisiweyo, ucingo kunye nemathiriyeli yentambo yangaphandle.
- Ezinye izinto ezisetyenziswayo: izitshixo zefowuni eziphathwayo, iithoyi zeplastiki ezinokuvutheka, amalaphu ebhedi, amalaphu etafile, iikhethini zeshawa, amalaphu efenitshala, iifaskoti, ipiyano, izitshixo zekhompyutha, iingubo zefilimu, kunye nelaphu kunye nemathiriyeli yelinen.
TPU Ityala leFowuni: I-Advanteji kunye ne-Didvantage
Abasebenzisi abaninzi baya kuxhobisa iifowuni zabo nge "idyasi" (ityala lefowuni), elinokunciphisa kakhulu umonakalo xa behla ngengozi. Kukho iintlobo ezininzi zezixhobo zezi meko zefowuni, ezifana ne-silicone, iplastiki, i-resin, TPU, njl. Yintoni TPU Ityala lefowuni lenziwe? I-Thermoplastic polyurethane elastomer (TPU), eyaziwa ngokuba yirabha ye-polyurethane, luhlobo lwe-elastic polymer material equlethe inani elikhulu lamaqela e-amino acid ester (-NHCOO-) kwikhonkco le-molecular. Yimpahla yeplastikiFunda ngokugqithisileyo …
ETPU Izicathulo zifanelekile ukuqwalasela
ETPU (I-Expanded Thermoplastic Polyurethane) luhlobo lwemathiriyeli yamagwebu esetyenziswa ngokuqhelekileyo ekwenzeni izihlangu zezemidlalo. ETPU i-foam iyaziwa ngokubuya kwayo ngamandla, ukuqina, kunye neempawu ezikhaphukhaphu. Ezi mpawu zenza ETPU izicathulo ezikhethiweyo ezithandwayo phakathi kweembaleki kunye nabathandi bokufaneleka. Enye yeenzuzo eziphambili ze ETPU izihlangu kukubuya kwazo amandla. Xa ubaleka okanye utsiba, izinto ze-foam zicinezela kwaye emva koko ziphinde zibuyele ngokukhawuleza, zibonelela ngesiphumo esifana nentwasahlobo esikuqhubela phambili. OkuFunda ngokugqithisileyo …
EVA vs ETPU – Izixhobo zesihlangu Midsole
Umsebenzi we-Shoe Midsole Isihlangu sezemidlalo esiqhelekileyo sahlulwe sibe ngamacandelo amathathu: phezulu, i-midsole, kunye ne-outsole. I-midsole ibonelela nge-cushioning kunye ne-rebound, ithatha impembelelo eyenziwe ngexesha lokuzilolonga, ibonelela ngokhuseleko, kunye nokuziva unyawo oluthambileyo nolukhululekile. Kunokuthiwa i-midsole ngumphefumlo wezemidlalo eziqhuba izicathulo, kwaye iteknoloji yezinto eziphathekayo kunye ne-foaming ye-midsole yimpawu ezahlula iteknoloji engundoqo yeempawu ezinkulu. Yintoni umahluko phakathi EVAFunda ngokugqithisileyo …
Izinto eziluncedo TPU
Thermoplastic lyu (TPU) yimathiriyeli eguquguqukayo enoluhlu olubanzi lwezicelo kumashishini ahlukeneyo. Luhlobo lwepolymer eyaziwayo ngeempawu zayo ezigqwesileyo ezifana nokunwebeka okuphezulu, ukuqina, kunye nokuxhathisa ukonakala, imichiza, kunye nemitha ye-UV. Kweli nqaku, siza kuxubusha iingenelo ze TPU ngokweenkcukacha. Enye yeenzuzo eziphambili ze TPU kukunwebeka kwayo okuphezulu. Inokolulwa ukuya kwi-600% yobude bayo bokuqala ngaphandle kokuphuka, ukwenzaFunda ngokugqithisileyo …
TPU Izinto eziphathekayo – uHlahlelo oluBanzi
Yintoni i TPU TPU yi-thermoplastic polyurethane, uhlobo lwe-polyurethane enokuthi ifudunyezwe kwaye ibunjwe, kwaye inyibilikiswe kwi-solvents. Xa kuthelekiswa ne-polyurethane edibeneyo kunye ne-cast, i-polyurethane ye-thermoplastic ayinayo i-chemical cross-linking encinci okanye ayikho i-cross-linking kwisakhiwo sayo sekhemikhali, kwaye iimolekyuli zayo ziyi-linear, kodwa kukho inani elithile lokutshintshiselana ngokomzimba. Ingqikelelo yokutshintshiselana ngokwasemzimbeni yacetywa okokuqala nguSchollenberge CS ngo-1958, ebhekisa “kumanqaku onxibelelwano” phakathi kwamatyathanga emolekyuli e-polyurethane alinganayo.Funda ngokugqithisileyo …
Yintoni i TPU Iplastiki?
TPU imele i-thermoplastic polyurethane, luhlobo lweplastiki eyaziwa ngokuba bhetyebhetye, ukuqina, nokumelana nokukrazuka nemichiza. Yimathiriyeli eguquguqukayo esetyenziswa kuluhlu olubanzi lwezicelo, kubandakanya izihlangu, iinxalenye zemoto, izixhobo zonyango, kunye ne-elektroniki yabathengi. TPU luhlobo lwe-thermoplastic, ethetha ukuba inokunyibilika kwaye ibunjwe kwiimilo kunye neefom ezahlukeneyo. Yenziwe ngokudibanisa i-polyol kunye ne-disocyanate, esabela ngayoFunda ngokugqithisileyo …
Umahluko kunye neempawu ze TPU, Irabha kunye neSilicone
inkcazelo TPU Inkcazo: TPU luhlobo lwe thermoplastic elastomer (TPE), emele i-thermoplastic polyurethane elastomer. Ayinabungozi kokusingqongileyo, ayinatyhefu, kwaye inokuphinda isetyenziswe. TPU inokumelana nokunxiba okugqwesileyo, ukuqina, kunye nokumelana neoyile. Ubunzima bayo buvela kwi-70A ukuya kwi-98A, kwaye umbala wayo wokuqala uyabonakala. I-Rubber Inkcazo: I-Rubber inokwahlulwa ibe yirubha yendalo kunye nerabha eyenziwe ngokwezinto ezibonakalayo. Irabha yendalo itsalwa kwimithi yerabha, ngelixa irabha yokwenziwa yenziwe ngokufanelekileyo. Irabha ineentlobo ezahlukeneyoFunda ngokugqithisileyo …
ETPU Inkqubo yoKwakha iPlastiki yomhlaba
ETPU (I-polyurethane ye-thermoplastic eyandisiweyo) yinto efana ne-popcorn. Emva kokuba phantsi koxinzelelo kunye nonyango lobushushu, umthamo we TPU iinqununu ziya kwanda ngamaxesha angama-10, zenze i-elliptical non-crosslinked particles foaming with micro-closed bubbles ngaphakathi, efana ne "popcorn". ETPU izinto eziphathekayo zine-elasticity ephezulu kwaye zinokuthatha ngokufanelekileyo impembelelo kunye nokunciphisa ukulimala okubangelwa ukuwa kunye neengozi. Le mveliso isetyenziswa kakhulu kumabala ezemidlalo, amabala emidlalo yesikolo, kwaye ngokwandayo kwiindlela zokuzilolonga ezidolophini, kwiindlela eziluhlaza, nakwiindawo zokudlala zasenkulisa. Inkqubo yoLwakhiwo oluKhethekileyoFunda ngokugqithisileyo …
ETPU UkuBumba koMphunga wokuBumba kweMicrowave yokuFundisa
ETPU, emele i-Expanded Thermoplastic Polyurethane Elastomer, evela kwi-BASF eJamani ngo-2007. Iveliswa ngokusebenzisa TPU i-resin njengento ekrwada kunye nokusebenzisa itekhnoloji yogwebu lomzimba ukuphuhlisa i-non-crosslinked TPU izinto zamaso amagwebu (ETPU). Nganye TPU Iqhekezana liyanda njenge popcorn, lenza iimilo zeelliptical ezinamaqamza amancinci avaliweyo ngaphakathi, yiyo loo nto ETPU idla ngokubizwa ngokuba yi "popcorn". ETPU Ibonisa ukomelela okugqwesileyo kunye neempawu zokuthoba, iyenza isetyenziswe ngokubanzi kwizihlangu, iingoma zeplastiki, amatayara alula, kunye nezinto ezahlukeneyo.Funda ngokugqithisileyo …
IFayibha yeglasi iQiniswa TPU
PECOAT® IFayibha yeglasi eyomeleziweyo TPU Umlinganiselo othile wefayibha yeglasi yongezwa ukunyusa umgangatho wenyama kunye neekhemikhali TPU. Oku kwenza ukuba imveliso ibe namandla kakhulu, ingagugi, iguquguquke, ifunxe amanzi aphantsi, kwaye iphezulu ku-elasticity. Iimpawu zeMveliso Ukwaleka okulungileyo Ukumelana nobushushu olomeleleyo Ukuchasana nokudusa Amandla aphezulu oomatshini Sebenzisa Imveliso isetyenziswa kakhulu kwizicelo ezikhethekileyo ezifana neeplagi zombane, iinxalenye zemoto, iinxalenye zoomatshini, iinqanawa, i-aerospace, kunye nezindlu zombane. TPU modified