Ihe mkpuchi polyurethane na-adịkarị mfe ịcha odo ka oge na-aga n'ihi na ha na-enweta ìhè ultraviolet ma ọ bụ okpomọkụ ogologo oge, na-emetụta ọdịdị ha na ndụ ọrụ ha. Site n'itinye UV-320 na 2-hydroxyethyl thiophosphate n'ime usoro nke polyurethane, e mepụtara polyurethane mmiri na-abụghị ionic nke nwere ezigbo iguzogide odo odo ma tinye ya na mkpuchi akpụkpọ anụ. Site na ọdịiche agba, nkwụsi ike, microscope elektrọn nyocha, ụdị X-ray na ule ndị ọzọ, achọpụtara na ọdịiche agba zuru oke △E nke akpụkpọ anụ ejiri akụkụ 50 nke polyurethane mmiri na-abụghị ionic gwọọ nke nwere ezigbo iguzogide odo odo bụ 2.9, ọkwa mgbanwe agba bụ ọkwa 1, enwere naanị obere mgbanwe agba. Tinyere ihe ngosi arụmọrụ bụ isi nke ike nrụgide akpụkpọ anụ na iguzogide iyi, ọ na-egosi na polyurethane a kwadebere na-eguzogide odo nwere ike ime ka iguzogide odo odo nke akpụkpọ anụ ka mma ma na-ejigide ihe onwunwe ya na iguzogide iyi.

Ka ọnọdụ ndụ ndị mmadụ na-akawanye mma, ndị mmadụ nwere ihe achọrọ maka ohiri isi oche akpụkpọ anụ, ọ bụghị naanị na ha agaghị emerụ ahụike mmadụ ahụ, kamakwa ha chọrọ ka ha dị mma n'ụzọ mara mma. A na-ejikarị polyurethane nke mmiri eme ihe n'ihe mkpuchi akpụkpọ anụ n'ihi nchekwa dị mma na arụmọrụ ya na-enweghị mmetọ, nnukwu ihe na-egbuke egbuke, na usoro amino methylidynephosphonate yiri nke akpụkpọ anụ. Agbanyeghị, polyurethane nke mmiri na-adịkarị mfe ịcha odo n'okpuru mmetụta ogologo oge nke ìhè ultraviolet ma ọ bụ okpomọkụ, na-emetụta ndụ ọrụ nke ihe ahụ. Dịka ọmụmaatụ, ọtụtụ ihe polyurethane akpụkpọ ụkwụ ọcha na-adịkarị ka odo, ma ọ bụ ruo n'ókè dị ukwuu ma ọ bụ obere, a ga-enwe odo odo n'okpuru radieshon nke anyanwụ. Ya mere, ọ dị mkpa ịmụ banyere iguzogide odo odo nke polyurethane nke mmiri.

Ugbu a, e nwere ụzọ atọ isi melite iguzogide polyurethane na-acha odo odo: ịhazi oke nke akụkụ siri ike na nke dị nro na ịgbanwe ihe ndị sitere na ihe kpatara ya, ịgbakwunye ihe mgbakwunye organic na ihe ndị nanomaterials, na mgbanwe nhazi.

(a) Ịgbanwe oke nke akụkụ siri ike na nke dị nro na ịgbanwe ihe ndị e ji emepụta ihe nwere ike idozi nsogbu nke polyurethane n'onwe ya nke na-adị mfe ịcha odo, mana ọ nweghị ike idozi mmetụta nke gburugburu ebe obibi dị na polyurethane ma ghara imezu ihe achọrọ n'ahịa. Site na TG, DSC, nguzogide abrasion na nnwale tensile, achọpụtara na ihe ndị dị na polyurethane a kwadebere nke na-eguzogide ihu igwe na akpụkpọ anụ e ji polyurethane dị ọcha gwọọ na-agbanwe agbanwe, na-egosi na polyurethane na-eguzogide ihu igwe nwere ike ịnọgide na-enwe ihe ndị bụ isi nke akpụkpọ anụ ma na-eme ka iguzogide ihu igwe ya ka mma nke ukwuu.

(b) Mgbakwunye nke ihe mgbakwunye organic na ihe ndị nanomaterials nwekwara nsogbu dịka nnukwu ọnụọgụ mgbakwunye na ngwakọta anụ ahụ na-adịghị mma na polyurethane, na-ebute mbelata na njirimara mekanikal polyurethane.

(c) Njikọ Disulfide nwere ike ịgbanwe agbanwe siri ike, na-eme ka ike mkpali ha dị ala nke ukwuu, a pụkwara ịgbaji ha ma wughachi ha ọtụtụ ugboro. N'ihi mgbanwe mgbanwe nke njikọ disulfide, a na-agbaji ma na-ewughachi njikọ ndị a mgbe niile n'okpuru radiation ultraviolet ìhè, na-agbanwe ike ultraviolet ka ọ bụrụ ntọhapụ ike okpomọkụ. Ọkụ polyurethane na-akpata mgbanwe odo odo, nke na-akpali njikọ kemịkalụ dị na ihe polyurethane ma na-akpata nkewa njikọ na mmeghachi omume nhazigharị, na-eduga na mgbanwe nhazi na agba odo nke polyurethane. Ya mere, site na itinye njikọ disulfide n'ime akụkụ polyurethane yinye nke mmiri, a nwalere arụmọrụ ọgwụgwọ onwe onye na iguzogide odo nke polyurethane. Dịka ule GB/T 1766-2008 si kwuo, △E bụ 4.68, ọkwa mgbanwe agba bụ ọkwa nke 2, mana ebe ọ bụ na o jiri tetraphenylene disulfide, nke nwere agba ụfọdụ, ọ dabaraghị maka polyurethane na-eguzogide odo.

Ihe ndị na-amịkọrọ ìhè ultraviolet na disulfides nwere ike ịgbanwe ìhè ultraviolet a na-amịkọrọ ka ọ bụrụ ntọhapụ ike okpomọkụ iji belata mmetụta nke radieshon ìhè ultraviolet na nhazi polyurethane. Site n'itinye ihe na-agbanwe agbanwe 2-hydroxyethyl disulfide n'ime ọkwa mgbasawanye nke polyurethane synthesis, a na-ewebata ya n'ime nhazi polyurethane, nke bụ ngwakọta disulfide nwere otu hydroxyl nke dị mfe imeghachi omume na isocyanate. Na mgbakwunye, a na-ewebata ihe na-amịkọrọ ultraviolet UV-320 iji kwado mmezi nke iguzogide odo polyurethane. UV-320 nwere otu hydroxyl, n'ihi njirimara ya nke imeghachi omume ngwa ngwa na otu isocyanate, enwere ike itinye ya n'ime akụkụ polyurethane yinye ma jiri ya mee ihe n'etiti akpụkpọ anụ iji melite iguzogide odo nke polyurethane.

Site na nnwale ọdịiche agba, achọpụtara na iguzogide odo nke polyureth iguzogide odo site na TG, DSC, nnwale mgbochi abrasion na tensile, achọpụtara na njirimara anụ ahụ nke polyurethane a kwadebere nke na-eguzogide ihu igwe na akpụkpọ anụ e ji polyurethane dị ọcha gwọọ na-agbanwe agbanwe, na-egosi na polyurethane na-eguzogide ihu igwe nwere ike ịnọgide na-enwe njirimara bụ isi nke akpụkpọ anụ ma na-eme ka iguzogide ihu igwe ya ka mma nke ukwuu.