Kedu ihe na-efe efe polyurtethane siri ike?

Taa mkpuchi ikuku bụ nnukwu ihe maka ịchekwa ike ike. N'oge a, ụma polyurethane siri ike nke nwere ihe owuwu nke mechiri emechi bụ ihe nwere ihe na-enwekarị ọnụọgụ na-enweghị atụ (0.018 - w / mk) n'ụwa. Enwere ike itinye ụdị ụcha ụfụfụ polyurtethane mfe site na ịgbanye n'elu mkpuchi mkpuchi ọkụ ahụ dị mkpa. Polyurethane na-agbasa ma gbasaa n'elu ma na-etolite oyi akwa nke 20 - 40 n'arọ / m3 na-eme ka mkpuchi ikuku dị irè dị irè.

Kedu ka esi agba mmiri polyerane?

Igwe eji eme mmiri achọrọ iji tinye ụdị ụcha polyurtethane. Ngwaọrụ a wepụrụ ihe na-enye polyol na ihe omimi ha, kpoo ha ruo 35 - 45 ℃ ma na-efegharị ha na hoses ya na oke nrụgide. A na-emekwa ka hoses dị ọkụ ruo otu okpomọkụ iji gbochie jụrụ. Mgbe 15. - 30 m ogologo, nke polylol na hoses akụrụngwa nke ahịhịa na-ejikọtara ọnụ na-agwakọta nke egbe. Mgbe a na-adọta egbe nke egbe, ihe na-abịa na egbe na-agwakọta ya na elu site na enyemaka nke ikuku ikuku na-apụtaghị na egbe. Polyol na Inocyanate mejupụtara ibe ha mgbe agwakọtara ha ma na-amụba ma ha gbasaa ma na-etolite ụfụfụ polyurtethane. Na sekọnd, ụma polyurtethane na-enwe oyi mkpuchi ikuku dị irè.

Mkpuchi ikuku nke fera polyurtethane ụfụfụ

A na-agbasa ụfụfụ polyurtethane nke abụọ na kemịkalụ na-efe efe na ndị na-efe efe (obere mmiri hydrocarbons). Ebe ọ bụ na ụdị ụfụfụ a nwere mkpụrụ ndụ e mechiri emechi, gas na-emepụta site na ndị ọrụ na-efe efe (Carbarioxide na gas hydrocarbon) na-eme n'ime mkpụrụ ụfụfụ. N'oge a na-atụ anya ihe mgbochi nke ụfụfụ nke ụfụfụ ahụ, nke bụ ihe atọ ahụ dị n'okpuru.

●  Ise na-ahụ maka ọkụ nke polyurethane siri ike.

●  Ihe omume na-eme nke gas

●  Ijuanya na sel nke ụfụfụ.

A na-enye ndị na-ahụ maka ihe ọkụkụ nke ụfọdụ n'ime ụlọ okpomọkụ nke enwere ike iji ya na usoro ụcha polyurtethane na tebụl dị n'okpuru

Ihe omume ikuku nke ihe eji eme ya