Category: Thermoplastic Polyurethane Elastomer

Thermoplastic polyurethane elastomer, e lauiloa foi TPU, o se ituaiga o (AB)n poloka linear polymer. A o loʻo faʻatusalia se mamafa mole maualuga (1000 ~ 6000) polyester poʻo polyether, ma o le B o loʻo faʻatusalia se diol o loʻo i ai le 2 ~ 12 saʻo filifili carbon atoms. O le vailaʻau faʻasolosolo i le va o vaega AB o le diisocyanate. Thermoplastic polyurethane pa'u fa'alagolago ile intermolecular hydrogen so'oga feso'ota'iga po'o le la'ititi o feso'ota'iga i le va o filifili macromolecular. Faatasi ai ma le siʻitia poʻo le faʻaitiitia o le vevela, o nei fausaga fesoʻotaʻiga e lua e mafai ona toe faʻafouina. I le setete uʻamea poʻo le vaifofo setete, o le malosi intermolecular i le va o molelaʻau vaivai, ma a maeʻa le faʻamafanafanaina poʻo le faʻafefe o le solvent, o le malosi intermolecular malosi e faʻafesoʻotaʻi faʻatasi e toe faʻafoʻi ai le uluai faʻatinoga mautu. masani TPU e aofia ai spandex, ma isi.

Faʻamatalaga Pupuu

Thermoplastic polyurethane elastomer (TPU) o se ituaiga o mea e mafai ona palasitika e ala i le faʻamafanafana ma faʻamavaeina e solvents. O loʻo i ai mea faʻapitoa e sili ona lelei e pei o le maualuga o le malosi, maualuga le malosi, faʻaofuofu teteʻe, ma le suauʻu teteʻe, faʻapea foʻi ma le lelei o le gaosiga o gaioiga. E fa'aaogaina lautele i pisinisi e pei o le puipuiga a le atunu'u, foma'i, ma mea'ai.

Faatasi ai ma lona faatinoga sili ona lelei ma le lautele o le faaaogaina, thermoplastic polyurethane elastomer ua avea ma se tasi o mea taua thermoplastic elastomer. O ona molela'au e fa'atatau i laina ma e itiiti pe leai fo'i se feso'ota'iga vaila'au. O loʻo i ai le tele o fesoʻotaʻiga faʻaletino e aofia ai le hydrogen i le va o laina laina polyurethane molecular, ma o le hydrogen bonds e faia se sao i le faʻamalosia o latou morphology, ma faʻapenaina ai le tele o mea sili ona lelei e pei o le maualuga, malosi maualuga, sili ona lelei le ofuina, kemisi faʻamaʻi, hydrolysis teteʻe. , maualuga ma le maualalo o le vevela, ma le faʻafefeteina. O nei mea e sili ona lelei e faʻaaogaina tele ai le polyurethane thermoplastic i le tele o matata e pei o seevae, uaea, lavalava, taavale, fomaʻi ma le soifua maloloina, paipa, ata tifaga, ma laupepa. O le oloa mulimuli e masani lava e le manaʻomia vulcanization cross-linking, lea e mafai ona faapuupuuina le taamilosaga tali ma faaitiitia le taumafaina malosi. Talu ai o lona uiga o se polymer fausaga laina, o le tekinolosi tutusa ma meafaigaluega e pei o palasitika thermoplastic e mafai ona faʻaaogaina mo le gaosiga, e pei o le tui tui, extrusion, faʻafefe, ma le calendering, aemaise lava mo le gaosiga tele o vaega laiti ma laiti. O mea leaga e mafai ona toe faʻaaogaina ma toe faʻaaogaina, ma faʻapipiʻi eseese poʻo mea faʻatumu e mafai ona faʻaogaina i le gaosiga poʻo le faʻagasologa o gaioiga e faʻaleleia ai nisi o mea faʻaletino ma faʻaitiitia ai tau.

faʻavasegaga

Thermoplastic polyurethane elastomers e mafai ona vaevaeina i ni ituaiga se lua: ituaiga polyester ma ituaiga polyether. O i latou o ni mea papa'e le masani ai spherical po'o vaega columnar ma se density o le 1.10 ~ 1.25g/cm3. Ole tele ole ituaiga polyether e la'ititi nai lo le ituaiga polyester. O le vevela suiga tioata o ituaiga polyether o le 100.6 ~ 106.1 ℃, ae o le ituaiga polyester e 108.9 ~ 122.8 ℃. O le vevela vevela o ituaiga polyether ma polyester e maualalo ifo i le -62 ℃, ma o le maualalo o le vevela o le polyether ituaiga e sili atu nai lo le ituaiga polyester.

pei lava

O uiga mataʻina o le thermoplastic polyurethane elastomers e sili ona lelei le ofuina, sili ona lelei le tetee o le ozone, maualuga maualuga, malosi maualuga, elasticity lelei, ma le maualalo o le vevela. E iai foʻi a latou suauʻu lelei, vailaʻau faʻamaʻi, ma le siosiomaga. I totonu o siosiomaga susu, o le hydrolysis mautu o polyether ituaiga e sili mamao atu nai lo le ituaiga polyester.

Tekonolosi Fou ma Fa'aoga Fou

TPU ose atina'e fa'avavevave, fa'atasi ai ma tekonolosi fou, oloa, ma fa'aoga o lo'o tula'i mai i taimi uma. TPU ua faʻaaogaina lautele i pisinisi eseese, e aofia ai seevae, lavalava, paipa, ata tifaga ma laupepa, uaea, taavale, fausiaina, soifua maloloina, puipuiga, ma taʻaloga ma taimi paganoa. TPU ua iloa o se lanu meamata ma le siosiomaga faauo ituaiga fou o mea polymer ma faatinoga sili ona lelei. I le taimi nei, TPU e masani ona faʻaaogaina i le faʻaaogaina maualalo, ae o loʻo pulea e nisi o kamupani faʻavaomalo, e aofia ai Siamani Bayer ma BASF, ma Lubrizol ma Huntsman a le Iunaite Setete, lea o loʻo faʻateleina a latou suʻesuʻega ma atinaʻe taumafaiga i oloa fou. Maualuga tau fa'aopoopo TPU o lo'o fa'aauau pea ona atia'e oloa ma tu'u i le maketi, ma TPU mea ua avea ma se tasi o mea e sili ona vave tuputupu aʻe thermoplastic.

• Vaevae: fa'ailoga seevae ta'aloga, aluga ea seevae ta'aloga, seevae sopo, seevae kiona, seevae tapolo, fa'a'aisa, ma ie ma mea fa'alava.
• Laei: peleue faasee, ofu timu, savili, peleue malulu, toniga o le fanua, napekini, ofuvae faʻaletino, ma mea faʻapipiʻi ie (sefe ma manava).
• Fomai: ofu tipitipi, pulou, seevae, paʻu falemaʻi, taga aisa, fusi, ato plasma, fusi taʻavale, matapulepule, ma ie ma mea faʻapipiʻi, ato ea moega taotoga.
• O mea tau puipuiga: tane suauʻu vaalele, ata e teu ai auupega, faamalama o faleʻie, ato vai a le militeri, ofutino ola, vaʻa faʻafefeteina, ma mea faʻapipiʻi, ato vaalele.
• Meafaigaluega ta'aloga: i luga o le soka ma totonu, moega fa'afefeteina, taga vai, totigilima faase'e (pe vai), suti maulu, peleue fa'ase'e, su'ega, fa'ase'e, tagavai, taga ea, ofutino ta'aloga, ofu fa'alava, ma ie ma mea fa'alava.
• O oloa gaosi oloa: pito pa'u pepa pa'u sipika, fasipepa e le susu, mea e fa'amalu ai leo, mea e le mu, lavalava e le mu, ie e le mu, ma mea fa'apipi'i fa'apipi'i, uaea ma mea fa'afu i fafo.
• Isi fa'aoga: ki telefoni fe'avea'i, meata'alo palasitika, ie moega, ie laulau, ie ta'ele, ie meaafale, talieleele, piano, piano komepiuta, fa'alava ata, ma ie ma mea fa'alava.