Kedu ihe dị iche na TPU na PPU na PPU?

Kedu ihe dị iche naTpupu?

TPU (polyurethane elastomer)

TPU (Thermoplastic poyertanine elastomer)bụ ihe dị iche iche. N'ihi ezigbo nhazi ya, nguzogide ihu igwe, na omume gburugburu ebe obibi, ọtụtụ ihe na-eme ihe omume, ọkpọkọ, fim, cable, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri, eriri na wires.

Polyurethane thermoplastic elastomer, also known as thermoplastic polyurethane rubber, abbreviated as TPU, is a type of (AB) n-block linear polymer. A bụ oke molecular dị elu (1000-6000) polyester ma ọ bụ poleleth, na b bụ diol nwere 2-12 kwụ ọtọ carbon atọ. Ọ bụ ihe owuwu kemịkal n'etiti ABA ngalaba bụ diisocyanate, nke MDI jikọọ.

Mpempe akwụkwọ nke polyurethastic polyurtethac na-adabere na njikọta nke njikọ ma ọ bụ njikọ dị nro n'etiti ọtụtụ ihe macromolialar dị na ịba ụba ma ọ bụ ịbelata okpomọkụ. Na molten ma ọ bụ ngwọta steeti, ndị agha intermeculalarị na-agwụ ike, na mgbe ajụkwasị ma ọ bụ ihe na-egbu egbu, olulu siri ike na-ejikọ, weghachi Njirimara nke ihe mbụ ahụ siri ike.

Polyurteethane thermoplastics elastomersEnwere ike ịhazi ya na ụdị abụọ: polyester na pollether, ya na mmiri ọcha ma ọ bụ ihe kọlụm na ihe njupụta nke 1.10-1.25. Ụdị pollether nwere ụdị dị ala karịa ụdị poyester. Ọkpụkpụ iko nke ụdị polyether that 100.6-1066.1 ℃, na ụdị polyester ụdị bụ 108.9-122.8 ℃. Ọnọdụ okpomọkụ nke ụdị pollester nke polyester dị ala karịa -62 ℃, ebe ọnọdụ okpomọkụ nke na-agbasi ụdị ahụ dị mma karịa nke ụdị polyster.

Ihe dị ịtụnanya nke polyurythan nke ndị na-eloptomers bụ ezigbo iyi na-eguzogide eguzogide eguzogide eguzogide eguzogide ike, na-agbanwe ike dị elu, na-eguzogide mmanụ na-eguzogide, na nguzogide mmiri. Na gburugburu iru mmiri, nkwụsi ike nke pollether esta karịrị nke ụdị polyester.

Polymoplan the thermoplastic ndị na-abụghị ihe na-adịghị mma na enweghị ihe na-adịghị mma, soluble na sozethrofan, ethlydronanan, ethl actate, na-eri nri, na acetone n'usoro kwesịrị ekwesị. Ha na-egosipụta ọnọdụ na mgbanwe na nke dị mma ma nwee ezigbo nchekwa nchekwa.