Polystyrene gbasaa (EPS), polystyrene extruded (XPS) na polyurethane (PU) bụ ihe atọ dị ugbu a nke a na-ejikarị na mkpuchi mgbidi dị n'èzí.N'ime ha, a na-amata PU ugbu a dị ka ihe mkpuchi mkpuchi kachasị mma n'ụwa, nke nwere okpomọkụ kachasị dị ala n'etiti ihe mkpuchi niile.Mgbe njupụta nke isiike PU bụ 35 ~ 40 kg / m3, ya thermal conductivity bụ naanị 0.018 ~ 0.023W / (mK).Mmetụta mkpuchi nke ụfụfụ PU siri ike nke 25mm bụ nke 40mm-oke EPS, 45mm mineral wool, 380mm-thick concrete ma ọ bụ 860mm brik nkịtị.Maka inweta otu mmetụta mkpuchi ahụ, ọkpụrụkpụ ya bụ naanị ihe dị ka ọkara nke EPS.

Otu akụkọ na-adịbeghị anya gosiri na otu n'ime ihe kpatara mgbasa ọkụ ngwa ngwa na Hangzhou Ice na Snow World bụ na ihe mkpuchi PU na ihe ọkụkụ na-acha akwụkwọ ndụ akwụkwọ ndụ simulated etinyere n'ime ụlọ ndị ahụ emezughị ihe achọrọ nke enweghị ọkụ na ọkụ retardancy. anwụrụ ọkụ wee gbasaa ngwa ngwa mgbe ọkụ ahụ gasịrị.Ihe nke abụọ kpatara ya bụ na usoro nkewa ọkụ na ihe mgbochi anwụrụ ọkụ n'etiti Hangzhou Ice na Snow World na mpaghara ndị ọzọ dị na ụlọ ahụ adịghị adị.A na-eme mgbidi dị n'ime nke PU Sanwichi panel, ọnụ ụzọ ọpụpụ bụ ọnụ ụzọ mkpuchi ọkụ kama ọnụ ụzọ ọkụ, nke mere ka ọkụ ahụ gbasaa ngwa ngwa n'ala ụlọ nke abụọ mgbe ọkụ ahụ gbasịrị.

Otu n'ime ihe ndị na-akpata ọnwụ bụ na mgbe ọkụ ahụ gbasịrị, ihe ndị dị ka PU na osisi plastik na-ere ọkụ n'ebe buru ibu, na-emepụta nnukwu anwụrụ ọkụ na-ekpo ọkụ, na anwụrụ ọkụ a tọhapụrụ nọgidere na-agbakọta ma mesịa kpatara deflagration. na-ebute ndị merụrụ ahụ.

Na mberede, ihe mkpuchi PU ghọrọ ihe a na-akatọ ya wee daba n'oké ifufe nke echiche ọha!

N'ịtụgharị uche n'amaokwu a, nkwuwa okwu ahụ dị ntakịrị otu akụkụ, enwerekwa erughị eru abụọ.

Nke mbụ: PU mkpuchi ihe na simulated plastic green osisi etinyere n'ime ụlọ emezughị ihe chọrọ nke na-abụghị combustibility na ọkụ retardancy.

Dị ka GB8624-1997 nhazi ọkwa maka àgwà ọkụ nke ngwaahịa ụlọ, B2-level polyurethane nwere ike ịkwalite ọkwa B1 mgbe agbakwunyere ọkụ ọkụ pụrụ iche.Ọ bụ ezie na bọọdụ mkpuchi mkpuchi PU nwere njirimara nke ihe ndị dị ndụ, naanị ha nwere ike iru ogo retardant ọkụ nke B1 n'okpuru ọnọdụ teknụzụ dị ugbu a.Ọzọkwa, a ka nwere nsogbu teknụzụ na ihe isi ike na mmepe na imepụta bọọdụ mkpuchi PU ọkwa B1.bọọdụ PU nke ọtụtụ ụlọ ọrụ obere na obere ụlọ ọrụ China mepụtara nwere ike iru naanị B2 ma ọ bụ B3.Otú ọ dị, ọtụtụ nnukwu ndị na-emepụta ihe na China ka nwere ike nweta ya.A na-eme mbadamba mkpuchi PU site na ngwakọta polyether na PMDI (Polymethylene polyphenyl polyisocyanate) maka mmeghachi ụfụfụ wee kewaa dị ka B1 ire ọkụ site na ọkọlọtọ GB8624-2012.A na-ejikarị ihe mkpuchi organic a na-ejikarị eme ihe n'ọhịa nke nchekwa ụlọ na-azọpụta ike, nnukwu nchekwa oyi na mkpuchi mkpuchi oyi.Enwere ike iji ya mee ihe maka mgbochi ọkụ na mkpuchi ọkụ na ụlọ ọrụ mmepụta ihe, ụgbọ mmiri, ụgbọ ala, iwu nchekwa mmiri na ọtụtụ akụkụ ndị ọzọ.

Nke abụọ: Anwụrụ ọkụ na-agbasa ngwa ngwa mgbe ọkụ na ihe mkpuchi PU na-egbu egbu.

Enwere ọtụtụ arụmụka gbasara nsi nke polyurethane, ọkachasị mgbe ihe mberede dịka ihe ọkụ PU mere.Ka ọ dị ugbu a, a na-amata polyurethane a gwọrọ nke ọma dị ka ihe na-adịghị egbu egbu, a na-etinyekwa ụfọdụ ihe PU ọgwụ na ngwaọrụ ahụike na akụrụngwa.Ma polyurethane a na-agwọghị ka nwere ike ịbụ ihe na-egbu egbu.Ọfụfụ PU siri ike bụ ụdị ihe na-ekpo ọkụ.Mgbe a na-agba ya ọkụ, a na-emepụta oyi akwa carbonized n'elu ya, na carbonized oyi akwa nwere ike igbochi ire ọkụ ịgbasa.EPS na XPS bụ ihe ndị na-ekpo ọkụ na-agbaze ma na-agbaze mgbe ọkụ, ntapu ndị a nwekwara ike ire ọkụ.

Ọ bụghị naanị ihe mkpuchi na-akpata ọkụ.Ekwesịrị ịtụle ụlọ dị ka usoro.Ọrụ ọkụ nke usoro dum metụtara ihe dị iche iche dị ka njikwa ihe owuwu na nlekọta kwa ụbọchị.Ọ baghị uru iji kpuru ìsì mesie ọkwa ọkụ na-egbochi ọkụ nke ihe owuwu ụlọ."N'ezie, ihe ahụ n'onwe ya dị mma.Isi ihe bụ iji ya mee ihe nke ọma na nke ọma. "N'ihe dị ka ọtụtụ afọ gara aga, Li Jianbo, osote odeakwụkwọ ukwu nke China Polyurethane Industry Association, kwusiri okwu ike ugboro ugboro na nnọkọ na nzukọ ọmụmụ dị iche iche.Nlekọta ebe a na-ewu ụlọ ọgba aghara na nlekọta na-adịghị mma nke ngwaahịa ndị na-adịghị mma na ndị na-akwadoghị bụ isi ihe na-akpata ọkụ, na anyị ekwesịghị ịtụ aka na ihe mgbe nsogbu mere.Ya mere ọbụna ugbu a, nsogbu ka dị.Achọpụtara kpuru ìsì dị ka nsogbu nke ihe PU, nkwubi okwu ahụ nwere ike ịbụ otu akụkụ.

Nkwupụta: Ehotara akụkọ a na https://mp.weixin.qq.com/s/8_kg6ImpgwKm3y31QN9k2w (njikọ jikọtara).Naanị maka nkwurịta okwu na mmụta, emela ebumnuche azụmahịa ndị ọzọ, anaghị anọchite anya echiche na echiche nke ụlọ ọrụ ahụ, ọ bụrụ na ịchọrọ ibipụtaghachi, biko kpọtụrụ onye edemede mbụ, ma ọ bụrụ na e nwere mmebi iwu, biko kpọtụrụ anyị ozugbo iji wepụ nhazi.