Muna 1958, mirelrich chemakemikari kambani (zvino yakatumidzwa zita reLubrizol) rakanyoreswa TPU Brand Esane kekutanga. Kwemakore makumi mana apfuura, pakave nemazita anopfuura makumi maviri emazita akapoterera nyika, uye mhando imwe neimwe ine zvakati wandei zvigadzirwa. Parizvino, TPU RAW RWEFLOWS VANOTI VANOGONA KUTI VABANDE, Lubril, Humsman Corporation, Wanhua Chemical Group, Shanghai Heng'an, Ruiuan Chemical, etc.
1, chikamu cheTPU
Maererano nechimiro chakapfava chemuchimiro, chinogona kukamurwa mumhando yePolyester, yePolyether rudzi, uye rudzi rweButadiene, runezve boka re ester, ether group, kana butene boka.
Maererano nechimiro chakaoma chikamu, chinogona kukamurwa muUrethane mhando uye urethane urea mhando, izvo zvine runyararo kubva kuEndylene Glycol Chain Offerders kana diamine Chain In theinters. Iyo yakajairika kugoverwa kwakakamurwa kuva polyester mhando uye polyeter mhando.
Zvinoenderana nekuvapo kana kusavapo kwekubatanidza-kuunganidza, zvinogona kukamurwa kuva yakachena thermplastics uye semi arrmoplastic.
Iyo yekutanga ine yakachena mutsara mamiriro uye pasina zvisungo zvekuyambuka. Iyo yekupedzisira ine huwandu hushoma hwezvikamu-zvakabatana zvisungo zvakadai seylophanic acid esid.
Zvinoenderana nekushandiswa kwezvigadzirwa zvakapera, vanogona kukamurwa kuita zvikamu zvevakadzvanywa
2, Synthesis yeTPU
TPU ndezvePolyurethane maererano nemamendero emanyorerwo. Saka, zvakabatana sei?
Zvinoenderana nemabasa akasiyana eSynthesis, inonyanya kukamurwa kuita bulk polymerization uye mhinduro polymerization.
MuBulk Polymerization, inogona kukamurwa muPre Polymeration nzira uye imwe-nhanho nzira zvichienderana nekuvapo kana kusavapo kwekutanga:
Iyo preplymerization nzira inosanganisira kuita diisocyanate ine macromolecular diols kwenguva yakati rebei nguva isati yawedzera kucheni kugadzira tpu;
Iyo imwe-nhanho nzira inosanganisira panguva imwe chete nekusanganisa macromolecular diols, diisocyanates, uye keteni yeTemakekitori kuumba tpu.
Solution Polymerization inosanganisira kutanga kuyerera diisocyanate mune solvent, wozowedzera macromolecular diols kuti uite imwe nguva yenguva, uye pakupedzisira yakawedzera ketani inogadzira Tpu.
Type yeTPU yakapfava chikamu, suremu, yakaoma kana yakananwa colgment yemukati, uye TPU Aggregation State inogona kukanganisa densiti
Pazvakaoma zvakafanana, density yePolyether mhando TPU yakaderera pane iyo yePolyester mhando tpu.
3, Kugadziriswa kweTPU
TPU zvikamu zvinoda akasiyana maitiro ekuumba chigadzirwa chekupedzisira, kunyanya kushandisa inonyungudika uye mhinduro nzira dzeTPU kugadziriswa kweTPU.
Kunyungudika kugadziriswa chiitiko chinowanzo shandiswa muindasitiri yemapurasitiki, sekusanganisa, kuumbwa, kurova, kurova kuumbwa, uye kuumbwa;
Kugadziriswa kwekugadzirisa ndiko kugadzirira mhinduro nekunyungudika zvidimbu mune solvent kana zvakananga polymemizing ivo solvent, uye ipapo kufukidza, kupururudza, zvichingodaro.
Chigadzirwa chekupedzisira chakagadzirwa kubva kuTPU kazhinji hazvitsvage vulcanization crosslinking maitiro, izvo zvinogona kupfupisa kutenderera kwekugadzira uye kudzokorora marara emarara.
4, kuita kweTPU
Tpu ane mukuru weDombolus, simba rakakwirira, elasitation yakakwirira uye elasticity, zvakanakisa kupfeka kupokana, kuramba mafuta, kupisa kwakadzika, kupesana nekukwegura.
Simba renzvimbo yakakwirira
Xiaoou ichanyanyisa kujekesa pane zvekushandisa zveTPU kubva kune zvikamu zvakadai sesimba uye eolong, kusimba, etc.
Yakakwirira Simba Simba uye Yakakwirira Elongation
Tpu ine simba rakanakisa uye elongation. Kubva pane iyo data iri pazasi, tinogona kuona kuti kusimba kwesimba uye elongation yePolyether Type Tpu vari nani kupfuura iyo yePolyvinyl chloride plastiki uye rabha.
Mukuwedzera, TPU inogona kusangana nezvinodiwa zveindasitiri yechikafu ine zvishoma kana kuti zvisina kuwedzerwa panguva yekugadzirisa, izvo zvakare zvakaoma kune zvimwe zvinhu zvakadai sePVC uye rabha kuti uwane.
Kuregedzera kunonzwisisika kwazvo pakupisa
Iko kusimba kweTPU kunoreva nezve degree kune iyo inokurumidza kudzora mamiriro ayo ekutanga mushure mekushushikana kwesimba Iri basa reiyo dynamic modulus uye kupokana kwemukati kwemuviri weElastic uye unonzwisa tsitsi zvakanyanya kupisa.
Iyo Rebound inodzikira nekuderera kwekushisa tembiricha kusvikira kumwe kupisa, uye nekukasira nekukurumidza zvinowedzera zvakare. Uku kupisa ndiko kushambidzika kupisa kwechikamu chakapfava, icho chakatemerwa nechimiro che macromolecular diol. Polyether Type TPU yakaderera pane polyester mhando tpu. Pakupisa pazasi pekristantization tembiricha, elastomer inova yakaoma kwazvo uye inorasikirwa nekukasira kwayo. Naizvozvo, kusimba kwakafanana nekudzoreredzwa kubva pamusoro pesimbi yakaoma.
Iyo Hardness Range ishambwa a60-d80
Kuomesa chiratidzo chekugona kwekuita kwekunyora kuti urambe deformation, kurova, uye kukwenya.
Kuomerwa kweTPU kunowanzo kuyerwa uchishandisa mahombekombe a uye akaomarara d hardness testers, nemhenderekedzo yakashandiswa softer tpus uye yakashongedzwa
Iko kuomarara kweTPU kunogona kugadziridzwa nekugadzirisa chikamu chezvikamu zvakapfava uye zvakaoma maketani. Naizvozvo, tpu ine hardly hardness range, kubva pamhenderekedzo a60-d80, inotanga kuomarara kwerabha nepurasitiki, uye ine yakakwirira elasticity yose.
Sezvo shanduko dzakaoma, zvimwe zvivakwa zveTPU zvinogona kuchinja. Semuenzaniso, kuwedzera kuomarara kweTPU kunoguma nekuita shanduko dzakadai sekuwedzera kweTensile modulus uye kushushikana nekusagadzikana uye kushushikana kwerudzi (kuderedza kwerudzi rwekupisa uye kuwanda kwesimba uye nekuwedzera kupisa kwezvemamiriro ekunze.
5, Kushandiswa kweTPU
Semunhu akanakisa elasomer, TPU ane huwandu hwakawanda hwekurongedza zvigadzirwa zviyero uye zvinoshandiswa zvakanyanya mukuda kwezuva nezuva, zvinhu zvemitambo, matoyi, zvekushongedza, uye mamwe minda.
Zvinyorwa zveShangu
TPU inonyanya kushandiswa kune shangu zvinhu nekuda kwekuwedzera kwayo kwakanyanya uye kupfeka kupokana. Tsoka Zvigadzirwa zvine tpu zvakawedzera kugadzikana kupfeka kupfuura ngano dzetsoka, saka dzinoshandiswa zvakanyanya mune yakakwirira-yekupera mbopa zvigadzirwa, kunyanya dzimwe shangu dzemitambo uye shangu dzakasarudzika.
hose
Nekuda kwekunyorova kwayo, simba rakanaka, kukanganisa simba, uye kuramba simba rekupisa uye rakaderera rinoshandiswa kuChina.
Cable
TPU inopa kupokana nekubvarura, pfeka kupokana, uye kukotama maitiro, neakakwirira uye zvakaderera kupisa kupesana kuve kiyi yekuita cable performance. Saka mumusika weChinese, tambo dzakapfuura dzakadai se tambo dzekutonga uye tambo dzemagetsi Shandisa Tpus kuchengetedza zvigadzirwa zvematanda akaomesesa, uye maficha ari kuwedzera kupararira.
Zvekushandisa Zvekushandisa
TPU inzvimbo yakachengeteka, yakagadzikana uye yakakwirira-mhando PVC yakatsiva zvinhu, izvo zvisingazove nePhthalate uye zvimwe zvinhu zvinokuvadza, uye zvichawedzera kune rimwe zvinwiwa muchiremba kana bhegi rekurapa kukonzera mhedzisiro. Iyo zvakare yakawedzera yakagadziriswa giredhi uye jekiseni giredhi tpu.
firimu
Tpu firimu iri firimu rakaonda rakagadzirwa kubva kuTPU Granular zvinhu kuburikidza nemaitiro akakosha akadai sekutenderera, kukanda, kuridza, uye kuunganidzira. Nekuda kwesimba rayo rakakwirira, kupfeka kurwisa, kurwisa kwakanaka, uye kurwisa kweTPU kunoshandiswa zvakanyanya mumaindasitiri, zvipfeko zvinokodzera, zvemotokari, zvemumotokari, zvemakemikari, zvemagetsi, uye zvimwe zvekurapa.
Kutumira Nguva: Kukadzi-05-2020