TPU bụ polyRethoplanic elasmoplastic, nke bụ multionase ngọngọ composer mejupụtara diisocynates, polyols, na obere ihe. Dị ka ihe dị mkpa elastomer dị elu, TPU nwere ụdị dịgasị iche iche nke ngwaahịa dị elu ma na-ejikwa ihe ndị dị ala, ihe eji achọ mma, ihe eji achọ mma, na ngwaọrụ, ngwaọrụ, wdg.
Ugbu a, ndị na-eme ihe nkiri nke TPU bụ isi gụnyere Basf, Selestro, Lubrizol, Huntman, Wanhua Chemical,Ihe ohuru ohuru, were gabazie. Site na okirikiriwanye na ikike nke ụlọ ọrụ ụlọ, ụlọ ọrụ TPU bụ ezigbo asọmpi. Agbanyeghị, na elu-ngwa-elu, ọ ka na-agbasa na mbubata, nke bụkwa mpaghara na-aga n'ihu na atụmanya ahịa nke TPU n'ọdịnihu.
1. Supercritical foaming e-Tpu
N'afọ 2012, Adidas na Basf jikọtara ọnụ akpụkpọ ụkwụ na-agba ọsọ, nke na-eji ihe nkiri TPU (Azụmaahịa aha azụmahịa) dị ka ihe odide etiti. N'ihi ojiji nke TPU nwere nsogbu nke 80-85 dị ka mkpụrụ, na-enwe ike na-agbasa na dị n'okpuru 0 ℃, nke na-eme ka nkasi obi na-adịwanye mma ma na-enwetara ya na ahịa.
2. Fiber na-emeghe ihe ndị mejupụtara TPU
TPU nwere ezigbo mmetụta iguzogide, mana na ụfọdụ ngwa, achọrọ modulu na ihe siri ike. A na-eme mgbanwe zuru oke iko bụ usoro eji eme ihe na-abụkarị iji nwekwuo modulu nke ihe. Site na mgbanwe, ihe ndị mejupụtara ihe ndị nwere ọtụtụ uru dị ka modulus dị elu, nguzosi ike na-eguzogide, esemokwu dị ala nke mgbasawanye, yana ike nkwụsi ike nke mgbasawanye.
Basf ewebatala teknụzụ maka ịkwadebe FAFLULULS elu TPU site na iji iko dị mkpụmkpụ na patent ya. A TPU na-ada ada nke 83 ịgwakọta polytetrifluethylene glycol, mn = 1000), mdi, na 1,2-prophanediol dị ka akụrụngwa. Nke a TPU sitere na eriri iko na ogo nke 52:48 iji nweta ihe mejupụtara ya na modulu nke 18.3 GPA na ike tensile nke 244 MPA.
Na mgbakwunye na eriri iko, enwerekwa akụkọ banyere ngwaahịa na-eji carbon fiber carbosite TPU, nke na-enwekarị ihe ruru 100gpa na ala dị ala karịa mital.
3. Halogen flame larament Tpu
TPU nwere ike dị elu, isi ike siri ike, ezigbo iyi nguzogide na akụrụngwa ndị ọzọ, na-eme ya ihe dị oke mma nke wires na eriri. Mana na mpaghara ngwa dịka ịgba ịnyịnya ibu, a na-achọ Relarding Relardy dị elu. E nwere ụzọ abụọ zuru ezu iji meziwanye arụmọrụ ire ọkụ nke TPU. Otu onye na - emegharị mgbanwe na - ere ahịa, nke na - agụnye na - ewebata ihe ndị na - ere ọkụ dị ka polylols ma ọ bụ ihe ndị ọzọ dị na njikọ nke TPU site na njikọta kemịkal; Nke abụọ bụ mgbanwe ọkụ na-enwu ọkụ, nke gụnyere iji TPU dị ka mkpụrụ ma na-agbakwunye ndị na-ere ọkụ na-agbaze.
Nrụpụ nrụpụta nwere ike ịgbanwe ihe owuwu TPU, mana mgbe ọnụọgụ flamerant na-agbadata, ike nke TPU na-ebelata, ma na-agbakwunye obere ego na-enweghị ike ire ọkụ. Ugbu a, enweghị ngwaahịa ọkụ na-ere ọkụ dị elu nke nwere ike ime ka itinye akwụkwọ nke ịnya ncha.
Ihe ndị bụbu Bayer ihe onwunwe (ugbu a Kostron) kpọbatara phosphorus nke nwere polyphol (ihpo) dabere na patent phosphine. Puyet TPU na-esite na IHPO, PTMEG-1000, 4,4 '- MDI na-egosipụta ọmarịcha ụlọ ahịa na akụrụngwa. Usoro a na-apụ apụ dị mma, na elu nke ngwaahịa ahụ dị mma.
Dinggbakwunye ndị na-azụ ahịa Halogen na-akwụghị ụgwọ bụ ugbu a ụzọ nka na-eme maka ịkwadebe halogen-flamentate laraị TPU. N'ozuzu, phosphorus sitere, sitrogen dabere, silicon dabere, boron dabeere na ndị na-ere ọkụ na-akụ ma ọ bụ ọla hydroxides. N'ihi ọkụ zuru oke nke TPU, na-ere ahịa na-ere ahịa nke ihe karịrị 30% na-achọ ka ha mepụta akwa na-achasi ike na-achasi ike n'oge ịmịcha. Agbanyeghị, mgbe egosiri ike ịgbakwunye bụ nnukwu azụ, a na-ejikọ ọnụ azụ na-egbu egbu, yana akụrụngwa arụmọrụ nke flame larardter Tpume, nke na-egbochi itinye ya na ubi, ihe nkiri, na eriri.
Patent Basf na-ewepụta teknụzụ TPU na-ere ahịa, nke jikọtara Melamine na-ere ọkụ na phosphorus nwere ezigbo ndị na-ere ngwa ngwa karịa 150kda. Achọpụtara ya na arụmọrụ ire ọkụ bụ ihe ka mma mgbe ị na-enweta ike tensile dị elu.
Iji mee ka ike tens nke ihe a, patent basf na-ewebata usoro maka ịkwadebe crosslinking gị na-aga n'ihu na-akwado Masterbats nwere ihe nlele. Dinggbakwunye 2% nke ụdị magburu onwe ya na nchịkọta nke na-ezute ihe ndị na-ezute ULT9V-0 ọkụ ga-abawanye ike tensile nke ihe sitere na 35MPA ka ọ na-anọgide na-arụ ọrụ V-0.
Iji meziwanye mmegide ọkụ na-agbagha nguzo na-ere ọkụ TPU, patent nkeLinghua ụlọ ọrụ ihe ọhụrụNa-ewebata usoro iji igwe eji ekpuchi hydroxides dị ka ndị na-ere ezumike. Iji melite nguzogide hydrolysis nke ire ọkụ-larardnt TPU,Linghua ụlọ ọrụ ihe ọhụrụA wepụtara carbobonate metal na ntọala nke ịgbakwunye Melamine ire ụtọ na ngwa ọzọ.
4. TPU maka ihe nkiri Nchedo A Na-ese
Ihe nkiri nchekwa na-agba agba bụ ihe nchekwa na-eme ka ihe osise na-ekpuchi, na-egbochi mmiri ozuzo, oxidition, ma na-enye nchebe na-adịgide adịgide maka agba ahụ. Ọrụ ya bụ iji chebe elu ụgbọ ala mgbe emechara. Ihe nkiri nchedo na-abụkarị nke mejupụtara atọ, na-agwọ ọrịa na-agwọ onwe ya n'elu, ihe nkiri polymer n'etiti, yana nrapalite nrụgide na ala ala. TPU bụ otu n'ime ihe ndị bụ isi maka ịkwadebe ihe nkiri polymer.
Accountschọ arụmọrụ nke TPU eji na ihe nkiri nchebe na-eme dị ka ndị na-ese ihe: nkwụsị elu, ike dị elu> 50MPation> 400%; Ọrụ kachasị dị mkpa bụ ihu igwe na-eguzogide, nke gụnyere iguzogide UV, mmebi oxiditive oxing, na hydrolysis.
Ngwaahịa tozuru etozu bụ Aliphatic TPU kwadebere site na DIOCHOHYYY DIOSCYLY (H12MDI) na polycaprolactolactone diol dị ka akụrụngwa. Ormatic Tpumatic Thumal na-acha odo odo mgbe otu ụbọchị nke ndị na-eme ihe nkiri na-acha odo odo, ebe Aliphatic TPU ji ihe nkiri kechie ya na-acha odo odo na-enweghị mgbanwe dị iche iche n'okpuru otu ọnọdụ.
Poly (ε - caprolacterne) TPU nwere usoro ziri ezi ma e jiri ya tụnyere polyester na poyester TPU. N'otu aka, ọ nwere ike igosipụta ọmarịcha mmiri polyester TPU, ebe aka nke ọzọ, ọ na-egosikwa oke ọchịchọ dị ala na-adịgide adịgide na arụmọrụ elu TPU, si otú a na-ejikarị ahịa.
N'ihi ihe dị iche iche a chọrọ maka arụmọrụ ngwaahịa a, yana mmelite nke teknụzụ mkpuchi elu ma ọ bụ nke nkịtị Pollester H12MDI Aliphatic TPU na-ese ihe n'ọdịnihu.
5. Biobosed TPU
Usoro a na-ahụkarị maka ịkwadebe ihe banyere Bio bụ iwebata ndị iro sitere na polymentates n'oge ha, ebe MDI dabere na bio.
N'ihe banyere ihe dị na Bio debere, dị ka mbido 2000, SECF, Searstro, na ndị ọzọ etinyela ọtụtụ mgbalị na nyocha PDI n'ime ahịa na 2015-2016. Wanhua Chemical emeela ka ngwaahịa ruru 100% site na iji PDI sitere na iji PDI sitere na PDI sitere na ọka.
N'ihe banyere polyols bio, ọ na-agụnye nke sitere na polytetralluethyylene (PTMEES), BDESESIOL (POSSIOL Polyesters, BDESESIOL (POSITESIOL Polyesters, BIO sitere na poly pollether polyols, wdg.
Ka ọ dị ugbu a, ndị na-emepụta TPU wepụtala TPU sitere na TPU, onye dị ka arụmọrụ Petrochemical nke ọdịnala TPU ọdịnala. Isi ihe dị iche n'etiti TPUS ndị a dị na ọkwa nke ọdịnaya bio dabere na 30% ruo 40%, tinyere ụfọdụ ọbụna na-enweta ọkwa dị elu. E jiri ya tụnyere TPU Petrochemical Tetrochemical nke ọdịnala, TOSITE dabere na TPU nwere uru dị ka carbon, na-adigide nke akụrụngwa, mmepụta akwụkwọ ndụ akwụkwọ ndụ, na nchekwa. Basf, Convestro, lubrizol, na-eyi mmiri, naIhe ohuru ohuruEmebela ụdị sitere na TPU ha, na mbelata carbon na nkwado na-egosikwa maka mmepe TPU n'ọdịnihu.
Oge Post: August-09-2024