Ihe mkpuchi mkpuchi mmiri nke polyurethane bụ ụdị prepolymer nwere Isocyanate nke a na-akwado ya site na mgbakwunye polymerization nke Isocyanate, polyether na ihe ndị ọzọ, ya na catalyst, mgbakwunye anhydrous, onye na-ejuputa anhydrous, ihe mgbaze, wdg, mkpuchi mkpuchi mkpuchi polyurethane nke otu akụkụ nke ngwakọta na ndị ọzọ. usoro.Ụdị mkpuchi a bụ mmeghachi omume-ngwọta (mmiri-agwọ) mkpuchi na ike dị elu, elu elongation, ezigbo mmiri na-eguzogide na ihe ndị ọzọ.Ike adaptability ka deformation nke ahịhịa mgbọrọgwụ.Ihe mkpuchi mkpuchi mmiri nke polyurethane bụ otu akụkụ nke mkpuchi mkpuchi mkpuchi gburugburu ebe obibi nke etinyere na steeti mmiri mmiri.Ọ dabere na polyurethane prepolymer ebubata na-enweghị tar na asphalt.Ọ bụ mmiri na ikuku mgbe kọntaktị ọgwụgwọ, na elu nke isi na-etolite a oyi akwa nke siri ike na siri ike enweghị nkebi integral mgbochi ihe nkiri.
Njirimara ngwaahịa
(1) enwere ike itinye ya ozugbo n'elu ala mmiri dị iche iche ma ọ bụ akọrọ.
(2) na njigide siri ike na ala ala, ihe nkiri na ihe polymer nwere ike ịbanye n'ime ala micro-cracks, siri ike na-esochi.
(3) ihe nkiri ahụ nwere mgbanwe dị mma, mgbanwe dị mma maka mgbasawanye ntọala ma ọ bụ mgbawa, na ike dị elu.
(4) nchekwa gburugburu ebe obibi, enweghị uto na-adịghị egbu egbu, ebe anaghị emetọ ya, enweghị mmerụ ahụ onye ahụ.
(5) mma ihu igwe na-eguzogide, elu okpomọkụ adịghị eruba, ala okpomọkụ adịghị mgbawa, magburu onwe mgbochi ịka nká arụmọrụ, mmanụ iguzogide, eyi iguzogide, iguzogide ozone, acid na alkali ozize.
(6) ihe nkiri mkpuchi ahụ bụ kọmpat, akwa mkpuchi mmiri zuru oke, enweghị mgbape, enweghị pinhole, enweghị afụ, na mmiri vapor permeability Coefficient dị obere.(7) ihe owuwu ahụ dị mfe, oge ihe owuwu dị mkpụmkpụ, mmezi ahụ dị mma (8) dị ka mkpa ọ dị, nwere ike itinye agba ọ bụla (9) àgwà dị ọkụ, anaghị abawanye ibu ụlọ..
Oge nzipu: Ọgọst-05-2021