Kedu ihe bụ thermoplastic poyertane elastomer?
Polyurethane Eliletane dịgasị iche iche (ụdị ndị ọzọ na-ezo aka na ụma polyurethan na polyurethan na polyurethan na Folyurethan Elilethan, ndị mmadụ na-ezo aka na TPU (ụdị abụọ ndị ọzọ A na-ebupu ya nke polyurethane nke polyurethane, ndebiri dị ka CPU, ma gwakọtara ya ochie polyurethane, ndebiri dị ka MPU).
TPU bụ ụdị elitomer nke polyurethane nke nwere ike ịbụ kpochapụ ọkụ site na kpo oku ma gbasaa ya. E jiri ya tụnyere CPU na MPU, TPU nwere obere ma ọ bụ enweghị kemịkalụ kemịkal na-edozi ahụ. A na-ejigide akwara igwe bụ isi, mana enwere ụfọdụ nke njigide anụ ahụ. Nke a bụ thermoplanic poyertanine elitethan nke bụ ihe eji mara ihe.
Nhazi na nhazi nke TPU
Igwe ikuku polyurtethan elistamer bụ (ab) gbochie polymen linear. A na-anọchite anya polymer polymer (Ester ma ọ bụ polytat dị arọ nke 1000 ~ 6000) nwere oke molecular, a na-akpọ ogologo ụdọ; B na-anọchi anya diol nwere 2-12 kwụ ọtọ carbon nke carbon, nke a na-akpọ obere obere.
Na nhazi nke polmoplastine elastomer, akụkụ a na-akpọ dị nro, nke nwere njirimara nke mgbanwe na ịdị nro, na-eme TPU TPU nwere nnweta; A na-akpọ ụda urethane site na mmeghachi omume n'etiti bgaments na inocyanate a na-akpọ ike akụkụ, nke nwere ihe siri ike na ihe siri ike. Site na idozi oke nke a na nke b, ngwaahịa TPU nwere ihe dị iche iche anụ ahụ na nke arụ ọrụ.
Dabere na ihe owuwu dị nro, enwere ike ekewa ya na ụdị poyester, ụdị pollethet, na ụdị Belleane, nke na-eme otu akụkụ, ma ọ bụ otu. Dabere na ihe owuwu akụkụ ahụ siri ike, enwere ike ekewa ya n'ụdị urethane na ụdị urethane urethane, nke a na-enwe site na ethylene glylol Chainter ma ọ bụ ihe dị n'ime. A na-ekewakarị ọkwa dị iche iche na ụdị polyester na ụdị pollester.
Kedu ihe bụ akụrụngwa maka usoro nje TPU?
(1) polymer DIOL
Macromolialar diol nke nwere ihe eji eme ihe site na 500 ruo 4000 na onye pere mpe, na-enwe ọdịnaya nke 50% na TPU Elestamer, na-arụ ọrụ siri ike na akụrụngwa anụ ahụ na kemịkal nke TPU.
Pocymer Diol kwesịrị ikewa na polyester na polyester na polyetramethylene acid acid Acid (PBA) ε PLC, PHC; Polyethers gụnyere polyopyyyyyyyyyylene ether Glycol (PPG), Tetrahydrofun polyether Glymg), wdg.
(2) dienocyanate
Ibu molecular dị obere mana ọrụ ahụ pụtara ìhè, nke ọ bụghị naanị na-arụ ọrụ ijikọ akụkụ dị nro na ngalaba siri ike, kamakwa na-ekwekwa TPU na ezigbo anụ ahụ na akụrụngwa dị iche iche. The DIOSCYANAAN NA-AKPATARA TPU bụ: methylene diisocyanate (MDI), P-Phenytsiocyy), P-PhenytleneNene Diococyanate (PXDI), wdg.
(3) yinye
Igwe na-egbu egbu nke nwere 100 ~ 350, obere molecular diol, obere molecular ibu, ihe owuwu na-eme ka ndị mmadụ na-eme ka ọ dị elu ịnweta ịdị elu nke TPU. Ibetị na-agbatị adabara TPU gụnyere 1,4-Boosaol (BDEDIOOL (HQEEHOHYOXY) Benzene (HQE), P-PENYDIMETYLGLYCOL (PXG), wdg), wdg), wdg), wdg.
Ngwa Mgbanwe nke TPU dị ka onye na-ahụ maka ya
Iji belata ụgwọ ngwaahịa ma nweta arụmọrụ ọzọ, polyurethan thermoplastics elimesistics dị ka ndị ọrụ na-ejikarị ya mee ka ihe dị iche iche toocuplastic na gbanwee.
N'ihi oke pollity ya, polyurethane nwere ike dakọtara na polar resins ma ọ bụ rulotited polyethylene (cPE), nke enwere ike iji mee ka ngwaahịa ahụike; Na abs nwere ike dochie thermoplastics maka iji; Mgbe ejiri ya na polycarbonate (PC), o nwere akụrụngwa dịka iguzogide mmanụ, na-eguzogide na nrụgide iguzogide ahụ, enwere ike iji ya mee ozu. Mgbe ejiri polyester, enwere ike ịmị ihe ike ya; Na mgbakwunye, ọ nwere ike ịdị mma na PVC, polyxymethylene ma ọ bụ Pvdc; Polyester Polyururethane nwere ike ịdị na-adabara na 15% nitrile roba ma ọ bụ 40% nitrole roba / pvc; Polyerhethane polyurtethane nwekwara ike ịdị mma na 40% nitrole roba / polyvinyl chloride mgwakota agwa; Ọ nwekwara ike ịbụ onye dakọtara na acrylonoitrile styrene (San) Colonimers; Ọ nwere ike mepụta network network (IPN) na ihe owuwu nwere ike imeghachi omume. Activesteritys it i imirikiti ndị a kpọtụrụ aha dị n'elu, emelarị ndị na-edozi ahụ.
N'afọ ndị na-adịbeghị anya, enwere nyocha na-arịwanye elu na isi ọwụwa nke Pom site na TPU na China. Achịcha nke TPU na Pom abụghị naanị ka mma na-eguzogide ọnọdụ okpomọkụ na ihe arụ ọrụ nke TPU, kamakwa ndị siri ike karị. Researchersfọdụ ndị na-eme nchọpụta egosila na na tensile na-emegharị uche, ma ọ bụrụ na Pom Matrix, Pom alloy na-ebugharị TPU site na mmerụ ahụ na-emebi emebi. Mgbakwunye nke TPU kwa na-ekwechie pom na arụmọrụ ebe nchekwa. Mpaghara Crystalline nke Pom na-arụ ọrụ dị ka usoro ebe nchekwa nke alloy, ebe Amorphous mpaghara Amorphous nke Amorphous TPU na POM na-arụ ọrụ dị ka usoro ntụgharị. Mgbe ọnọdụ nzaghachi mgbake bụ afọ 165 ℃ na oge mgbake dị 120 sekọnd, ọnụego mgbake nke alloy ruru karịa 95%, na nsonaazụ mgbake kachasị mma.
TPU siri ike dakọtara na ihe polymer na-abụghị polmene dị ka polyethylene, polylene proofter, nke ethylene roo ma ọ bụ na-eme ka emepụta ihe mejupụtara ya. Ya mere, usoro ọgwụgwọ elu dị ka plasma, corona, kemistri, privie ma ọ bụ gas gas maka nke ikpeazụ. Dịka ọmụmaatụ, ngwaahịa ọgwụ America na ụlọ ọrụ kemịkalụ F2 / O2 nọ na-arụ ọrụ nke ọma na 10%, ma nwee ike imeziwanye molulus ya, ike tens ma na-eyi nguzogide. Enwere ike itinye usoro ọgwụgwọ F2 / O2 dị elu na akụkụ dị mkpụmkpụ nke nwere ogologo 6-35mm, nke nwere ike ime ka isi ike nke ihe mejupụtara.
Gịnị bụ mpaghara ngwa nke TPU?
Na 1958, ụlọ ọrụ kemịkal (ugbu a lubrizol ugbu a debara aha ya na TPU Brand Test na nke mbụ. N'ime afọ 40 gara aga, enweela ihe karịrị aha akara 20 gburugburu ụwa, ụdị nke ọ bụla nwere ọtụtụ usoro. Ka ọ dị ugbu a, ndị na-emepụta ihe nkiri na-emepụta ihe dị n'ụwa bụ: Basf, Convayro, Libermol Corporation, McKinsey, Gold, wdg.
Dịka ezigbo Elastomer, TPU nwere ọtụtụ ngwaahịa dị ala, nke a na-ejikarị ihe ndị dị mkpa, ngwongwo, ihe egwuregwu, ihe eji achọ mma, na ubi ndị ọzọ. N'okpuru bụ ihe atụ ole na ole.
① ihe eji akpụkpọ ụkwụ
A na-ejikarị TPU mee ihe maka ihe ndị a na-eme akpụkpọ ụkwụ n'ihi ịdị mma ya ma na-eyi nguzogide. Ngwakọta akpụkpọ ụkwụ nwere TPU dị mma karịa ka ị na-eyi karịa ngwaahịa akpụkpọ ụkwụ mgbe niile, yabụ, ha na-ejikarị ngwaahịa akpụkpọ ụkwụ dị elu, ọkachasị ụfọdụ akpụkpọ ụkwụ egwuregwu na akpụkpọ ụkwụ ndị nkịtị.
Hoses
N'ihi ịdị nro ya, ike dị mma, ike na-emetụta oke okpomọkụ, a na-ejikarị igwe ọrụ na akụrụngwa dị ka ụgbọ elu, ụgbọ mmiri, na ngwaọrụ igwe.
Eriri
TPU na-enye mmiri na-eguzogide, na njiri mara, na nguzogide elu na ala iguzogide arụmọrụ USB. Yabụ na ahịa China, dị elu na-ejikwa eriri na eriri ike jiri TPus iji chebe ihe ndị dị mgbagwoju anya, yana ngwa ha na-aghọwanye ngwa.
④ ngwaọrụ ọgwụgwọ
TPU bụ ihe nnọchi anya PVC dị mma, nke na-agaghị enwe phyalate na kemịkal ndị ọzọ na kemịkal ndị ọzọ na catheter ọgwụ ma ọ bụ akpa ahụike iji bute nsonaazụ. Ọzọkwa, a ga-eji ọkwa nke pụrụ iche nke TPU na-emepụta ngwa ngwa TPU nwere ike iji ya mee ihe na akụrụngwa PVC dị.
⑤ọ ndị ọzọ na ụzọ ndị ọzọ
Site na ịmịpụta ma na-ejikọ akụkụ abụọ nke nylon akwa na polyurthaican tafts, a ga-eme ka ụgbọ agha ọgụ na-ebugharị 3-15, na nnukwu arụmọrụ ka mma karịa ụrọ. Polymoplan thermoplastic Elastorier kwusiri ike na eriri iko nwere ike iji mee ka akụkụ ahụ mee ihe dị ka akụkụ abụọ nke ụgbọ ala n'onwe ya, ụzọ skins, na-emegide ibe, na gweriri.
Oge post: Jan-10-2021