bọọdụ polystyrene extruded (XPS) bụ ihe a na-ejikarị eme ihe maka mkpuchi ụlọ, yana ihe na-egbochi ọkụ ya dị oke mkpa maka nchekwa ụlọ. Nhazi nhazi nke ndị na-ere ọkụ maka XPS chọrọ nleba anya zuru oke maka ịrụ ọrụ ire ọkụ, arụmọrụ nhazi, ọnụ ahịa, na ihe ndị chọrọ gburugburu ebe obibi. N'okpuru ebe a bụ nkọwa zuru ezu na nkọwapụta nke usoro ire ọkụ maka XPS, na-ekpuchi ma halogenated na halogen ngwọta ire ere ọkụ na-enweghị halogen.
1. Ụkpụrụ imewe maka XPS Flame Retardant Formulations
Isi ihe dị na XPS bụ polystyrene (PS), na ngbanwe ọkụ ya na-eme ka ọ bụrụ nke a na-enweta site n'ịgbakwụnye ọkụ ọkụ. Nhazi nhazi kwesịrị ịgbaso ụkpụrụ ndị a:
- Nnukwu ire ere: Zute ụkpụrụ na-egbochi ire ọkụ maka ihe eji ewu ụlọ (dịka, GB 8624-2012).
- Ịrụ ọrụ nhazi: Ọkụ na-egbochi ọkụ ekwesịghị imetụta usoro ịfụfụ na ịkpụzi nke XPS.
- Enyi na gburugburu ebe obibi: Ekwesịrị ibute ọkụ ọkụ na-enweghị halogen ka ọ bụrụ ihe kacha mkpa iji rube isi n'iwu gburugburu ebe obibi.
- Njikwa ọnụ ahịa: Welata ego mgbe ị na-emezu ihe achọrọ ịrụ ọrụ.
2. Ụdị XPS Halogenated Flame Retardant
Ndị na-ere ọkụ halogenated (dịka ọmụmaatụ, brominated) na-akwụsị mmeghachi omume nrịanrịa combustion site na ịhapụ halogen radicals, na-enye nnukwu ọkụ retardant mana na-ebute ihe egwu gburugburu ebe obibi na ahụike.
(1) Ihe mejupụtara:
- Polystyrene (PS): 100phr (resin base)
- Ihe na-egbochi ire ọkụ: 10–20phr (dịka ọmụmaatụ, hexabromocyclododecane (HBCD) ma ọ bụ polystyrene brominated)
- Antimony trioxide ( synergist ): 3–5phr (na-eme ka ọkụ retardant pụta ìhè)
- Onye na-eme ụfụfụ: 5–10phr (dịka, carbon dioxide ma ọ bụ butane)
- na-ekesa: 1-2phr (dịka ọmụmaatụ, polyethylene wax, na-eme ka mgbasa nke ire ere ọkụ)
- Mmanu mmanu: 1-2phr (dịka ọmụmaatụ, calcium stearate, na-akwalite nhazi nhazi)
- Antioxidant: 0.5-1 akụkụ (dịka, 1010 ma ọ bụ 168, na-egbochi mmebi n'oge nhazi)
(2) Usoro nhazi:
- Premix PS resin, ire ọkụ retardant, synergist, dispersant, mmanu, na antioxidant otu.
- Tinye ihe na-esi ísì ụfụfụ ma gbazee-agwakọta na extruder.
- Jikwaa okpomọkụ nke extrusion na 180-220 Celsius C iji hụ na ịfụfụ na ịkpụzi kwesịrị ekwesị.
(3) Àgwà:
- Uru: Nnukwu ọkụ retardant arụmọrụ, obere mgbakwunye ego, na ọnụ ala.
- Ọdịmma: Nwere ike mepụta gas na-egbu egbu (dịka ọmụmaatụ, hydrogen bromide) n'oge ọkụ, na-ebute nchegbu gburugburu ebe obibi.
3. Usoro XPS na-egbochi ọkụ Halogen-efu
Ndị na-ere ọkụ na-enweghị halogen (dịka ọmụmaatụ, nke sitere na phosphorus, nitrogen, ma ọ bụ inorganic hydroxides) na-enweta nkwụghachi ọkụ site na mmịnye okpomọkụ ma ọ bụ na-emepụta ọkwa nchebe, na-enye arụmọrụ gburugburu ebe obibi ka mma.
(1) Ihe mejupụtara:
- Polystyrene (PS): 100phr (resin base)
- Ọkụ nke sitere na phosphorus: 10–15phr (dịka ọmụmaatụ,ammonium polyphosphate (APP)ma ọ bụ red phosphorus)
- Nitrogen na-egbochi ire ọkụ: 5–10phr (dịka, melamine cyanurate (MCA))
- Inorganic hydroxide: 20-30phr (dịka ọmụmaatụ, magnesium hydroxide ma ọ bụ aluminum hydroxide)
- Onye na-eme ụfụfụ: 5–10phr (dịka, carbon dioxide ma ọ bụ butane)
- na-ekesa: 1-2phr (dịka ọmụmaatụ, polyethylene wax, na-eme ka mgbasawanye)
- Mmanu mmanu: 1-2phr (dịka ọmụmaatụ, zinc stearate, na-eme ka mmiri na-edozi nhazi)
- Antioxidant: 0.5-1 akụkụ (dịka, 1010 ma ọ bụ 168, na-egbochi mmebi n'oge nhazi)
(2) Usoro nhazi:
- Premix PS resin, ire ọkụ, ihe na-ekesa, mmanu, na antioxidant n'otu n'otu.
- Tinye ihe na-esi ísì ụfụfụ ma gbazee-agwakọta na extruder.
- Jikwaa okpomọkụ extrusion na 180-210 Celsius C iji hụ na ịfụfụ na ịkpụzi kwesịrị ekwesị.
(3) Àgwà:
- Uru: Enyi na gburugburu ebe obibi, ọ dịghị gas na-egbu egbu nke a na-emepụta n'oge ọkụ, na-agbaso ụkpụrụ gburugburu ebe obibi.
- Ọdịmma: Obere ire ọkụ retardant arụmọrụ, elu mgbakwunye ego, nwere ike imetụta n'ibu Njirimara na ụfụfụ arụmọrụ.
4. Ihe ndị dị mkpa na nhazi nhazi
(1) Nhọrọ na-egbochi ire ọkụ
- Halogenated ire ọkụ retardants: Oke arụmọrụ mana na-ebute ihe egwu gburugburu ebe obibi na ahụike.
- Ihe mgbochi ọkụ na-enweghị halogen: Karịa enyi na gburugburu ebe obibi mana chọrọ nnukwu mgbakwunye ego.
(2) Iji Synergists
- Antimony trioxide: Na-arụ ọrụ synergistically na halogenated ire ọkụ retardants iji kwalite nke ukwuu ire retardant.
- Phosphorus-nitrogen mmekọrịta: Na sistemu na-enweghị halogen, ndị na-egbochi ire ọkụ nke nwere phosphorus na nitrogen nwere ike ịrụkọ ọrụ ọnụ iji meziwanye arụmọrụ.
(3) Mgbasa na nhazi
- Ndị na-ekesa: Gbaa mbọ hụ na mgbasa nke ire ọkụ na-agbaze n'otu n'otu ka ịzenarị nnukwu mkpokọta mpaghara.
- Mmanụ aṅụ: Mma nhazi nhazi ma belata akụrụngwa akụrụngwa.
(4) Nhọrọ onye nnọchi anya ụfụfụ
- Ndị na-eme ụfụfụ anụ ahụ: Dị ka CO₂ ma ọ bụ butane, enyi na gburugburu ebe obibi nwere ezigbo ụfụfụ.
- Ndị na-emepụta ụfụfụ kemịkalụDị ka azodicarbonamide (AC), arụ ọrụ ụfụfụ dị elu mana ọ nwere ike ịmepụta ikuku na-emerụ ahụ.
(5) Antioxidants
Gbochie mmebi ihe n'oge nhazi ma kwalite nkwụsi ike ngwaahịa.
5. Ngwa a na-ahụkarị
- Ihe mkpuchi ụlọ: A na-eji ya na mgbidi, elu ụlọ, na akwa mkpuchi ala.
- Ngwa ngwa nhịahụ oyi: mkpuchi maka nchekwa oyi na ụgbọ ala refrigerated.
- Mpaghara ndị ọzọ: Ihe eji achọ mma, ihe mkpuchi ụda, wdg.
6. Ntụnye nkwalite nhazi nhazi
(1) Na-emeziwanye arụmọrụ ọkụ ọkụ
- Ngwakọta ọkụ retardants: Dị ka halogen-antimony ma ọ bụ phosphorus-nitrogen synergies iji kwalite ire ọkụ.
- Nano ire ọkụ retardants: Dị ka nano magnesium hydroxide ma ọ bụ nano ụrọ, na-eme ka arụmọrụ dịkwuo mma ma na-ebelata ihe mgbakwunye.
(2) Ịkwalite akụrụngwa akụrụngwa
- Ihe na-eme ka ike sie ike: Dị ka POE ma ọ bụ EPDM, na-emeziwanye ihe siri ike na mmetụta nkwụsị.
- Na-eme ka ihe ndozi dị ike: Dị ka iko eriri, na-eme ka ike na isi ike.
(3) Mbelata ọnụ ahịa
- Welie oke nkwụghachi ọkụ: Belata ojiji mgbe ị na-emezu ihe ndị chọrọ ire ọkụ.
- Họrọ ihe ndị dị ọnụ ahịa: Dị ka ụlọ ma ọ bụ ngwakọta ire ọkụ retardants.
7. Ihe ndị chọrọ gburugburu ebe obibi na usoro iwu
- Halogenated ire ọkụ retardants: Amachibidoro site na ụkpụrụ dịka RoHS na REACH; jiri nlezianya mee ihe.
- Ihe mgbochi ọkụ na-enweghị halogen: Soro ụkpụrụ gburugburu ebe obibi ma nọchite anya usoro n'ọdịnihu.
Nchịkọta
Nhazi nhazi nke ndị na-ere ọkụ maka XPS kwesịrị ịdabere n'ụdị ngwa ngwa yana ihe achọrọ n'usoro iwu, ịhọrọ n'etiti ihe mgbochi ọkụ na-enweghị halogen ma ọ bụ halogen. Ndị na-ere ọkụ halogenated na-enye arụmọrụ dị elu mana na-ebute nchegbu gburugburu ebe obibi, ebe ọkụ ọkụ na-enweghị halogen na-enwe mmekọrịta enyi na gburugburu ebe obibi mana ọ chọrọ nnukwu mgbakwunye. Site n'ịkwalite usoro na usoro, arụmọrụ dị elu, eco-friendly na ọnụ ahịa ọkụ na-egbochi ọkụ XPS nwere ike ịmepụta iji gboo mkpa nke mkpuchi ụlọ na ubi ndị ọzọ.
More info., pls contact lucy@taifeng-fr.com
Oge nzipu: Mee-23-2025
