Anyị na-eji kuki iji kwalite ahụmịhe gị.Site n'ịga n'ihu na-achọgharị saịtị a, ị kwenyere na ojiji anyị ji kuki.Ozi ndị ọzọ.
A na-ejikarị polyurethane foam (PU) arụ ọrụ maka ebumnuche dị iche iche, mana site n'ịkwalite ikuku efu, ihe ndị na-emetụta gburugburu ebe obibi na-enweta nlebara anya.Imelite aha akwụkwọ ndụ akwụkwọ ndụ ha dị oke egwu.
Ọfụfụ polyurethane bụ polymer nke nwere akụkụ monomer organic jikọtara ya na urethane.Polyurethane bụ ihe dị arọ nke nwere ikuku dị elu yana nhazi cell mepere emepe.A na-emepụta polyurethane site na mmeghachi omume nke diisocyanate ma ọ bụ triisocyanate na polyols ma nwee ike gbanwee site na ntinye nke ihe ndị ọzọ.
Enwere ike ime ụfụfụ polystyrene site na polyurethane nke siri ike dị iche iche, a pụkwara iji ihe ndị ọzọ mee ihe na mmepụta ya.Thermoset polyurethane foam bụ ụdị a na-ahụkarị, mana ụfọdụ polymers thermoplastic dịkwa.Uru ndị bụ isi nke ụfụfụ thermoset bụ nkwụsị ọkụ ya, ntụgharị na ogologo oge.
A na-eji ụfụfụ polyurethane eme ihe n'ọtụtụ ebe na ụlọ ọrụ mmepụta ihe n'ihi ọkụ na-eguzogide ọkụ, ihe nhazi dị arọ na ihe mkpuchi.A na-eji ya eme ihe ụlọ siri ike mana ọ dị fechaa ma nwee ike melite njirimara mma nke ụlọ.
Ọtụtụ ụdị arịa ụlọ na kapeeti nwere polyurethane n'ihi ntụgharị ya, ọnụ ahịa na ịdịte aka.Ụkpụrụ EPA chọrọ ka a gwọọ ya nke ọma iji kwụsị mmeghachi omume mbụ ma zere nsogbu nsị.Tụkwasị na nke ahụ, ụfụfụ polyurethane nwere ike imeziwanye ọkụ ọkụ nke ihe ndina na ngwá ụlọ.
Ọfụfụ polyurethane fesa (SPF) bụ ihe mkpuchi bụ isi nke na-eme ka arụ ọrụ ike nke ụlọ na nkasi obi nke ndị bi na ya dịkwuo mma.Iji ihe mkpuchi ndị a na-ebelata ikuku ikuku griin na-eme ka mma ikuku dị n'ime ụlọ dịkwuo mma.
A na-ejikwa ihe ntanye PU dabeere na mmepụta nke osisi dịka MDF, OSB na chipboard.Ntughari nke PU pụtara na enwere ike iji ya mee ihe dị iche iche dị ka mkpuchi ụda ma na-eyi nguzogide, oke okpomọkụ na-eguzogide, mgbochi mildew, nkwụsị ịka nká, wdg. Ihe a nwere ọtụtụ ihe eji eme ihe na ụlọ ọrụ mmepụta ihe.
Ọ bụ ezie na ụfụfụ polyurethane bara ezigbo uru ma jiri ya mee ihe n'ọtụtụ akụkụ nke iwu ụlọ, ọ nwere nsogbu ụfọdụ.N'ime afọ ndị na-adịbeghị anya, a na-ajụkarị nkwado na ntinyeghachi nke ihe a, na nyocha iji dozie okwu ndị a aghọwo ihe a na-ahụkarị na akwụkwọ.
Isi ihe na-egbochi ịdị mma gburugburu ebe obibi na imegharị ihe nke ihe a bụ ojiji nke isocyanates na-arụ ọrụ nke ukwuu na nke na-egbu egbu n'oge usoro mmepụta ya.A na-ejikwa ụdị dị iche iche nke ihe na-emepụta ihe na surfactants na-emepụta ụfụfụ polyurethane nwere ihe dị iche iche.
A na-eme atụmatụ na ihe dị ka 30% nke ụfụfụ polyurethane a rụgharịrị arụgharị na-ejedebe na mkpofu ahịhịa, nke na-ebute nnukwu nsogbu gburugburu ebe obibi maka ụlọ ọrụ ihe owuwu n'ihi na ihe ahụ anaghị adị mfe nbibi.A na-emegharị ihe dị ka otu ụzọ n'ụzọ atọ nke ụfụfụ polyurethane.
A ka nwere ọtụtụ ihe a ga-emeziwanye na mpaghara ndị a, na nke a, ọtụtụ nchọpụta achọpụtala ụzọ ọhụrụ maka ịmegharị na iji polyurethane foam na ihe ndị ọzọ polyurethane.A na-ejikarị ụzọ anụ ahụ, kemịkalụ na usoro ndụ emegharị ihe iji nwetaghachi ụfụfụ polyurethane maka ojiji bara uru.
Otú ọ dị, ọ dịghị ugbu a ọ dịghị nhọrọ mgharịgharị nke na-enye ngwaahịa njedebe dị elu, nke a na-emegharịgharị na nke kwụsiri ike.Tupu a na-ewere polyurethane foam recycling dị ka nhọrọ dị mma maka ụlọ ọrụ na-ewu ụlọ na ngwá ụlọ, a ghaghị ilebara ihe mgbochi ndị dị ka ọnụ ahịa, obere arụpụtaghị ihe na nnukwu enweghị ihe eji emegharị ihe.
Akwụkwọ akụkọ ahụ, nke e bipụtara na Nọvemba 2022, na-enyocha ụzọ isi kwalite nkwado na mweghachi nke ihe ụlọ a dị mkpa.Ihe ọmụmụ a, nke ndị ọkà mmụta sayensị sitere na Mahadum Liege dị na Belgium mere, ka ebipụtara n'akwụkwọ akụkọ Angewandte Chemie International Edition.
Ụzọ ọhụrụ a na-agụnye iji ihe ndị ọzọ na-emetụta gburugburu ebe obibi dochie iji isocyanates na-egbu egbu ma na-emeghachi omume.A na-eji carbon dioxide, kemịkalụ ọzọ na-emerụ gburugburu ebe obibi, dị ka akụrụngwa n'usoro ọhụrụ a nke imepụta ụfụfụ polyurethane ndụ ndụ.
Usoro mmepụta ihe a na-eme ka gburugburu ebe obibi na-eji mmiri na-emepụta ihe na-emepụta ụfụfụ, na-eṅomi nkà na ụzụ na-emepụta ụfụfụ nke a na-eji na-emepụta ihe na-eme ka ọkpụkpụ polyurethane na-eme ka ọ bụrụ nke ọma na-ezere iji isocyanates na-emerụ gburugburu ebe obibi.Ihe si na ya pụta bụ ụfụfụ polyurethane na-acha akwụkwọ ndụ akwụkwọ ndụ nke ndị edemede na-akpọ "NIPU."
Na mgbakwunye na mmiri, usoro a na-eji ihe na-akpali akpali iji gbanwee cyclic carbonate, ihe na-acha akwụkwọ ndụ ọzọ na isocyanates, n'ime carbon dioxide iji mee ka mkpụrụ ahụ dị ọcha.N'otu oge ahụ, ụfụfụ ahụ na-esi ike site n'imeghachi omume na amines na ihe.
Usoro ọhụrụ a gosipụtara na akwụkwọ ahụ na-enye ohere ịmepụta ihe siri ike polyurethane dị ala na nkesa pore mgbe niile.Ntugharị kemịkalụ nke carbon dioxide mkpofu na-enye ohere dị mfe ịnweta cyclic carbonates maka usoro mmepụta.Ihe si na ya pụta bụ ihe omume abụọ: nhazi nke onye na-emepụta ụfụfụ na ịmepụta matrix PU.
Ndị otu nyocha ahụ emepụtala teknụzụ modular dị mfe, dị mfe na-arụ ọrụ nke, mgbe ejikọtara ya na ngwaahịa mmalite dị na gburugburu ebe obibi dị ọnụ ala, na-emepụta ọgbọ ọhụrụ nke ụfụfụ polyurethane green maka ụlọ ọrụ ihe owuwu.Nke a ga-eme ka mbọ ụlọ ọrụ na-agbasi mbọ ike iji nweta ikuku net-efu.
Ọ bụ ezie na ọ dịghị ụzọ ọ bụla dabara adaba iji melite nkwado na ụlọ ọrụ mmepụta ihe, nchọpụta na-aga n'ihu n'ime ụzọ dị iche iche iji dozie nsogbu gburugburu ebe obibi a dị mkpa.
Ụzọ ọhụrụ, dị ka nkà na ụzụ ọhụrụ sitere na otu Mahadum Liege, ga-enyere aka melite enyi gburugburu ebe obibi na mweghachi nke ụfụfụ polyurethane.Ọ dị oke mkpa iji dochie kemịkalụ ọdịnala na-egbu egbu nke a na-eji emegharịgharị ma melite biodegradability nke foams polyurethane.
Ọ bụrụ na ụlọ ọrụ na-ewu ụlọ ga-ezute nkwa mgbapụta net-efu n'ụzọ kwekọrọ na ebumnuche mba ụwa iji belata mmetụta ụmụ mmadụ na mgbanwe ihu igwe na ụwa okike, ụzọ a ga-esi meziwanye okirikiri ga-abụrịrị ihe nyocha ọhụrụ ga-elekwasị anya.N'ụzọ doro anya, ụzọ "azụmahịa dị ka ọ na-adị" agaghịzi ekwe omume.
Mahadum nke Liège (2022) Na-emepe ka ọ bụrụ polyurethane foams na-adịgide adịgide ma na-emegharị ya [Online] phys.org.dị mma:
Eji Chemistry wuo ụlọ (webụsaịtị) Polyurethanes in Construction [online] Buildingwithchemistry.org.dị mma:
Gadhav.dị mma:
Disclaimer: Echiche ndị e gosipụtara ebe a bụ nke onye odee n'ikike ya, ọ bụghịkwa na-egosipụta echiche nke AZoM.com Limited T/A AZoNetwork, onye nwe na onye na-ahụ maka webụsaịtị a.Nkwuputa a bụ akụkụ nke usoro na ọnọdụ ojiji nke webụsaịtị a.
Reg Davey bụ onye ode akwụkwọ nweere onwe ya na onye nchịkọta akụkọ dabere na Nottingham, UK.Ide ihe maka AZoNetwork na-anọchite anya nchikota nke mmasị dị iche iche na mpaghara nke ọ nwere mmasị na itinye aka n'ime ọtụtụ afọ, gụnyere microbiology, sayensị biomedical na sayensị gburugburu ebe obibi.
David, Reginald (23 Mee 2023).Kedu ka foam polyurethane siri dị na gburugburu ebe obibi?AZoBuild.Eweghachitere Nọvemba 22, 2023, site na https://www.azobuild.com/article.aspx?ArticleID=8610.
David, Reginald: "Kedu ka ikuku polyurethane si bụrụ enyi na gburugburu ebe obibi?"AZoBuild.Nọvemba 22, 2023
David, Reginald: "Kedu ka ikuku polyurethane si bụrụ enyi na gburugburu ebe obibi?"AZoBuild.https://www.azobuild.com/article.aspx?ArticleID=8610.(Nweta na Nọvemba 22, 2023).
David, Reginald, 2023. Kedu ka akwụkwọ ndụ akwụkwọ ndụ bụ polyurethane foams?AZoBuild, enwetara na Nọvemba 22, 2023, https://www.azobuild.com/article.aspx?ArticleID=8610.
N'ajụjụ ọnụ a, Muriel Gubar, onye njikwa ngalaba zuru ụwa ọnụ maka ihe owuwu na Malvern Panalytical, na-atụle ihe ịma aka nke ụlọ ọrụ ciment na AzoBuild.
Ụbọchị ụmụ nwanyị mba ụwa a, AZoBuild nwere obi ụtọ iso Dr. Silke Langenberg si ETH Zurich kwurịta banyere ọmarịcha ọrụ na nyocha ya.
AZoBuild na-agwa Stephen Ford, onye isi Suscons na onye nchoputa Street2Meet, gbasara atụmatụ ọ na-ahụ maka ịmepụta ebe nchekwa siri ike, dịgidere na nchekwa maka ndị nọ na mkpa.
Edemede a ga-enye nkọwapụta nke ihe eji arụ ụlọ bioengineered ma kparịta ihe, ngwaahịa na ọrụ ga-ekwe omume n'ihi nyocha n'ọhịa a.
Ka ọ dị mkpa iji decarbonize gburugburu ebe e wuru ma wuo ụlọ ndị na-anọghị na carbon na-abawanye, mbelata carbon dị mkpa.
AZoBuild na Prọfesọ Noguchi na Maruyama kwurịtara banyere nyocha na mmepe ha n'ime calcium carbonate concrete (CCC), ihe ọhụrụ nke nwere ike ịkpalite mgbanwe nkwado na ụlọ ọrụ mmepụta ihe.
AZoBuild na ụlọ ọrụ Lacol na-arụkọ ọrụ ọnụ na-arụkọ ọrụ ọnụ ụlọ La Borda na Barcelona, Spain.Edepụtara ọrụ a maka 2022 EU Prize for Contemporary Architecture - Mies van der Rohe Prize.
AZoBuild na-ekwurịta ọrụ ụlọ obibi nke ụlọ 85 na EU Mies van der Rohe Award onye ikpeazụ Peris+Toral Arquitectes.
Site na 2022 dị nso n'akụkụ akuku, obi ụtọ na-ewulite site na ọkwa ọkwa nke ndepụta aha ụlọ ọrụ ahọpụtara maka ihe nrite European Union for Contemporary Architecture - Mies van der Rohe Prize.
Oge nzipu: Nov-22-2023
