Polyurethane roba akara, nke a na-emepụta site na ihe mkpuchi polyurethane, bụ ihe dị mkpa n'ọtụtụ ọrụ mmepụta ihe. Akara akara ndị a na-abịa n'ụdị dị iche iche, gụnyere O-mgbanaka, V-mgbanaka, U-mgbanaka, Y-mgbanaka, akara akụkụ anọ, akara ụdị omenala, na ihe nkpuchi.
Polyurethane rọba, polymer synthetic, na-eme ka ọdịiche dị n'etiti rọba eke na plastik nkịtị. A na-ejikarị eme ihe na nhazi nrụgide mpempe akwụkwọ metal, rọba polyurethane a na-ekwu bụ isi nke ụdị nkedo polyester. Ọ na-synthesized si adipic acid na ethylene glycol, n'ihi na a polima na a molekụla arọ nke mkpokọta 2000. Nke a polima na-n'ihu meghachi omume na-etolite a prepolymer na isocyanate ọgwụgwụ otu. A na-agwakọta prepolymer ahụ na MOCA (4,4'-methylenebis(2-chloroaniline)) wee tụba ya n'ụdị, na-esote vulcanization nke abụọ iji mepụta ngwaahịa rọba polyurethane nwere ọkwa ike dị iche iche.
Enwere ike ịhazi ike nke mkpuchi rọba polyurethane iji gboo mkpa nhazi mpempe akwụkwọ a kapịrị ọnụ, sitere na 20A ruo 90A na oke ike ike Shore.
Àmàrụ arụrụ arụ:
- Nguzogide iyi pụrụiche: Polyurethane roba na-egosipụta nguzogide iyi kachasị elu n'etiti ụdị rọba niile. Nnwale ụlọ nyocha na-egosi na nguzogide iyi ya dị okpukpu 3 ruo 5 karịa nke rọba eke, yana ngwa ụwa n'ezie na-egosipụtakarị ihe ruru okpukpu iri.
- Ike dị elu na ngbanwe: N'ime Shore A60 ruo A70 hardness range, polyurethane roba na-egosiputa ike dị elu na nhazi dị mma.
- Ngwunye kachasị elu na ihe ịma jijiji: N'ime ụlọ okpomọkụ, ihe ndị na-emepụta roba polyurethane nwere ike ịmịkọrọ 10% ruo 20% nke ike ịma jijiji, yana ọnụego nnabata dị elu na ụda mkpọtụ na-abawanye.
- Ezigbo mmanụ na nguzogide kemịkalụ: Polyurethane rubber na-egosi njikọ dị nta maka mmanụ ịnweta mmanụ na-abụghị polar ma na-anọgide na-emetụtaghị ya site na mmanụ ọkụ (dịka mmanụ ọkụ na mmanụ ụgbọala) na mmanụ ígwè (dị ka mmanụ hydraulic na mmanụ lubricating), na-eme ka rubbers zuru ezu na rọba nitrile na-asọ mpi. Agbanyeghị, ọ na-egosipụta ọzịza dị ukwuu na mmanya, esters, na hydrocarbons aromatic.
- Ọnụọgụ esemokwu dị elu: Ọ na-adịkarị karịa 0.5.
- Ngwongwo agbakwunyere: ezigbo nguzogide okpomọkụ dị ala, nguzogide ozone, nguzogide radieshon, mkpuchi ọkụ, na ihe nrapagide.
Ngwa:
N'iburu n'ọrụ ya dị elu nke anụ ahụ na arụ ọrụ, a na-ejikarị polyurethane rubber arụ ọrụ na ngwa dị elu, gụnyere ngwaahịa na-eguzogide iyi, ihe ndị na-eguzogide mmanụ dị elu, na ihe siri ike, ihe modul dị elu. A na-ejikarị ya eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche:
- Machinery and Automotive: Nrụpụta ihe nchekwa braking dị elu, akụkụ rọba na-egbochi mkpọtụ, isi iyi rọba, njikọta, na akụrụngwa akwa.
- Ngwaahịa na-eguzogide mmanụ: Na-emepụta rollers obibi, akara, akpa mmanụ, na akara mmanụ.
- Gburugburu Esemokwu siri ike: A na-eji ya na ọkpọkọ ebufe, ihe eji eme ihe na-egweri, enyo, ihe nzacha, ọbụ ụkwụ akpụkpọ ụkwụ, wiil mbanye esemokwu, ahịhịa, breeki pad, na taya igwe.
- Nrụgide oyi na ịgbagọ: Na-eje ozi dị ka ihe eji eme ka oyi na-atụ ọhụrụ na-agbagọ, na-edochi ọnwụ ígwè na-ewe oge na ọnụ ahịa.
- Foam Rubber: Site n'itinye mmeghachi omume nke ndị otu isocyanate na mmiri iji hapụ CO2, a na-emepụta rọba ụfụfụ dị arọ nke nwere ezigbo ihe eji arụ ọrụ, nke dị mma maka mkpuchi, mkpuchi okpomọkụ, ụda ụda, na ngwa ngwa ngwa ngwa ngwa ngwa.
- Ngwa ahụike: A na-eji ihe mejupụtara rọba arụ ọrụ, arịa ọbara arụrụ arụ, akpụkpọ ahụ sịntetik, tubes infusion, ihe ndozi, na ngwa eze.
Oge nzipu: Sep-17-2025