Ihe mkpuchi rọba polyurethane, nke e ji ihe roba polyurethane mee, bụ ihe dị mkpa n'ọtụtụ ọrụ ụlọ ọrụ. Akara ndị a na-abịa n'ụdị dị iche iche, gụnyere mgbanaka O, mgbanaka V, mgbanaka U, mgbaaka Y, akara akụkụ anọ, akara ndị e ji ụdị omenala mee, na igwe e ji akwa ákwà mechie.
Rubber Polyurethane, nke bụ polymer sịntetik, na-ejikọ oghere dị n'etiti roba eke na plastik nkịtị. A na-ejikarị ya eme ihe na nhazi nrụgide mpempe akwụkwọ ígwè, rọba polyurethane a na-ekwu maka ya bụ nke ụdị ihe eji eme polyester. A na-emepụta ya site na adipic acid na ethylene glycol, nke na-eme ka ọ bụrụ polymer nwere ibu molekul nke ihe dị ka 2000. A na-emegharị polymer a ọzọ iji mepụta prepolymer nwere otu njedebe isocyanate. A na-agwakọta prepolymer ahụ na MOCA (4,4′-methylenebis(2-chloroaniline)) ma tụba ya n'ime ebu, wee soro ya vulcanization nke abụọ iji mepụta ngwaahịa rọba polyurethane nwere ọkwa siri ike dị iche iche.
A pụrụ ịhazi ike nke ihe mkpuchi roba polyurethane ka o wee mezuo ihe achọrọ maka nhazi ígwè mpempe akwụkwọ, site na 20A ruo 90A na nha ike Shore.
Njirimara Arụmọrụ Dị Mkpa:
- Nguzogide Pụrụ Iche nke Ịyi: Rọba polyurethane na-egosipụta ike iyi kachasị elu n'etiti ụdị rọba niile. Nnwale ụlọ nyocha na-egosi na ike iyi ya dị okpukpu atọ ruo ise karịa nke rọba eke, ebe ojiji n'ezie na-egosi ike ya ugboro iri.
- Ike na Mgbatị Dị Elu: N'ime oke siri ike nke Shore A60 ruo A70, roba polyurethane na-egosi ike dị elu na ezigbo ike.
- Nkwanye Elu na Mwepụ Ujo: N'ọnọdụ okpomọkụ ụlọ, ihe ndị mejupụtara roba polyurethane nwere ike ịmịkọrọ ike ịma jijiji site na 10% ruo 20%, yana ọnụego nnabata dị elu na mmụba nke ugboro mkpọtụ.
- Ezigbo Nguzogide Mmanụ na Kemịkalụ: Rubber polyurethane anaghị enwe mmetụta dị ukwuu na mmanụ mineral ndị na-abụghị polar, mmanụ ọkụ (dị ka kerosene na petrol) na mmanụ mekanikal (dị ka mmanụ hydraulic na mmanụ na-amị amị) anaghị emetụta ya nke ukwuu, ọ na-arụ ọrụ karịa rubber nkịtị na roba nitrile ndị na-asọ mpi. Agbanyeghị, ọ na-egosipụta nnukwu mmụba na alcohols, esters, na aromatic hydrocarbons.
- Oke Mgbagwoju Anya: Ọ na-adịkarị karịa 0.5.
- Njirimara Ndị Ọzọ: Ezigbo iguzogide okpomọkụ dị ala, iguzogide ozone, iguzogide radieshon, mkpuchi eletriki, na njirimara njikọta.
Ngwa:
Ebe ọ bụ na ọ nwere ike dị elu n'ahụ na n'ime ya, a na-ejikarị roba polyurethane eme ihe n'ọrụ dị elu, gụnyere ngwaahịa ndị na-eguzogide iyi, ihe ndị na-eguzogide mmanụ siri ike, na ihe ndị na-eguzogide modulus siri ike. A na-eji ya eme ihe nke ukwuu n'ọtụtụ ụlọ ọrụ dị iche iche:
- Igwe na Ụgbọala: Na-emepụta ihe nchekwa brek ugboro ugboro, akụkụ roba na-egbochi ịma jijiji, isi iyi rọba, njikọ, na akụkụ igwe ákwà.
- Ngwaahịa Ndị Na-eguzogide Mmanụ: Na-emepụta ihe eji ebi akwụkwọ, ihe mkpuchi, ihe mkpuchi mmanụ, na ihe mkpuchi mmanụ.
- Gburugburu Ebe Mgbagha Dị Ike: A na-eji ya na paịpụ ndị na-ebuga ihe, ihe mkpuchi ngwaọrụ igwe, ihe nzacha, ihe nzacha, ụkwụ akpụkpọ ụkwụ, wiil ụgbọala mgbagha, ihe mkpuchi, ihe mkpuchi brek, na taya ígwè.
- Ịpị na Ịpị na Ịpị na Nkwụ: A na-eji ya eme ihe maka usoro ịpị na ịgbagọ oyi ọhụrụ, na-anọchi ihe eji esi ígwè nke na-ewe oge ma na-efu nnukwu ego.
- Rọba ụfụfụ: Site n'iji mmeghachi omume nke otu isocyanate na mmiri wepụta CO2, enwere ike ịmepụta rọba ụfụfụ dị mfe nke nwere ihe eji arụ ọrụ dị mma, nke dị mma maka mkpuchi, mkpuchi okpomọkụ, mkpuchi ụda, na ngwa mgbochi ịma jijiji.
- Ngwa Ahụike: A na-eji ya eme ihe na ihe ndị dị na rọba, arịa ọbara e ji aka rụọ, akpụkpọ ahụ e ji aka rụọ, ọkpọkọ infusion, ihe ndozi, na ngwa ezé.
Oge ozi: Sep-17-2025