Ibhodi ye-polystyrene eyongeziweyo (i-XPS) yimathiriyeli esetyenziswa ngokubanzi ekugqumezelweni kwesakhiwo, kwaye iimpawu zayo zokunqanda amadangatye zibalulekile kukhuseleko lolwakhiwo. Uyilo loyilo lweeretardants ze-XPS lufuna ingqwalasela ebanzi yokusebenza kwedangatye, ukusebenza kakuhle, iindleko, kunye neemfuno zokusingqongileyo. Apha ngezantsi kuyilo oluneenkcukacha kunye nengcaciso yokwenziwa kwe-flame retardant ye-XPS, egubungela zombini izisombululo ze-halogenated kunye ne-halogen-free flame retardant.
1. Imigaqo yoYilo yeeFomu ze-XPS Flame Retardant
Icandelo eliphambili le-XPS yi-polystyrene (PS), kunye nokuguqulwa kwe-flame retardant ngokuyinhloko kufezekiswa ngokudibanisa i-flame retardants. Uyilo loqulunqo kufuneka luhambelane nale migaqo ilandelayo:
- Ukusilela okuphezulu komlilo: Hlangana nemigangatho ye-flame retardant kwizinto zokwakha (umzekelo, i-GB 8624-2012).
- Ukuqhubekekisa ukusebenza: I-flame retardant akufanele ichaphazele kakhulu inkqubo ye-XPS ye-foaming kunye nokubumba.
- Ubuhlobo bendalo: I-halogen-free flame retardants kufuneka ibekwe phambili ukuthobela imimiselo yokusingqongileyo.
- Ulawulo lweendleko: Nciphisa iindleko ngelixa uhlangabezana neemfuno zokusebenza.
2. I-Halogenated Flame Retardant XPS Formulation
I-halogenated flame retardants (umz., brominated) iphazamisa ukutsha kwetsheyini lokutsha ngokukhupha iiradicals ze-halogen, ezinikezela ngokufanelekileyo kokubuyiswa komlilo kodwa zibeka imingcipheko yokusingqongileyo kunye nempilo.
(1) Ukuqulunqwa koqulunqo:
- Ipolystyrene (PS): 100phr (isiseko se-resin)
- I-Brominated flame retardant: 10–20phr (umzekelo, i-hexabromocyclododecane (HBCD) okanye i-brominated polystyrene)
- I-Antimony trioxide (i-synergist): 3–5phr (iphucula isiphumo sokubuyiswa komlilo)
- Iarhente yogwebu: 5–10phr (umzekelo, icarbon dioxide okanye ibutane)
- Ukuchithachitha: 1–2phr (umz., i-polyethylene wax, iphucula ukusasazwa kwento ebuyisela idangatye)
- Isithambiso: 1-2phr (umzekelo, i-calcium stearate, iphakamisa ukusetyenzwa kwamanzi)
- I-Antioxidant: 0.5-1 inxalenye (umzekelo, i-1010 okanye i-168, inqanda ukuthotywa ngexesha lokucubungula)
(2) Indlela yoLungiso:
- I-Premix PS resin, i-flame retardant, i-synergist, i-dispersant, i-lubricant, kunye ne-antioxidant ngokufanayo.
- Yongeza i-ejenti yogwebu kwaye unyibilike-udibanise kwi-extruder.
- Lawula ubushushu be-extrusion kwi-180-220 ° C ukuqinisekisa ugwebu olufanelekileyo kunye nokubumba.
(3) Iimpawu:
- Iingenelo: Ukusebenza okuphezulu kokubuyiswa komlilo, ukongeza okuphantsi, kunye neendleko eziphantsi.
- Iingxaki: Inokuvelisa iigesi eziyityhefu (umzekelo, i-hydrogen bromide) ngexesha lokutsha, ibeka iinkxalabo zokusingqongileyo.
3. Ukuqulunqwa kwe-XPS ye-Halogen-Free Flame Retardant
I-halogen-free flame retardants (umzekelo, i-phosphorus-based, i-nitrogen-based, okanye i-inorganic hydroxides) ifikelela ekuphelelweni kwedangatye ngokufunxa ubushushu okanye yenze iileya ezikhuselayo, ezinika ukusebenza ngcono kokusingqongileyo.
(1) Ukuqulunqwa koqulunqo:
- Ipolystyrene (PS): 100phr (isiseko se-resin)
- I-Phosphorus-based flame retardant: 10–15phr (umz.,i-ammonium polyphosphate (APP)okanye i-phosphorus ebomvu)
- I-nitrogen esekelwe kwi-flame retardant: 5–10phr (umz., melamine cyanrate (MCA))
- Inorganic hydroxide: 20–30phr (umzekelo, i-magnesium hydroxide okanye i-aluminiyam hydroxide)
- Iarhente yogwebu: 5–10phr (umzekelo, icarbon dioxide okanye ibutane)
- Ukuchithachitha: 1–2phr (umzekelo, i-polyethylene wax, iphucula ukusasazeka)
- Isithambiso: 1–2phr (umzekelo, i-zinc stearate, yongeza ukusetyenzwa kwamanzi)
- I-Antioxidant: 0.5-1 inxalenye (umzekelo, i-1010 okanye i-168, inqanda ukuthotywa ngexesha lokucubungula)
(2) Indlela yoLungiso:
- I-Premix PS resin, i-flame retardant, i-dispersant, i-lubricant, kunye ne-antioxidant ngokufanayo.
- Yongeza i-ejenti yogwebu kwaye unyibilike-udibanise kwi-extruder.
- Lawula ubushushu be-extrusion kwi-180-210 ° C ukuze uqinisekise ugwebu olufanelekileyo kunye nokubumba.
(3) Iimpawu:
- Iingenelo: Ukulungelelaniswa kwendalo, akukho gesi ezinetyhefu eziveliswa ngexesha lokutsha, zihambelana nemimiselo yokusingqongileyo.
- Iingxaki: Ukusebenza okusezantsi kokubuyiswa komlilo, izixa eziphezulu zokongeza, kunokuchaphazela iipropathi zoomatshini kunye nokusebenza kogwebu.
4. Iingqwalasela ezingundoqo kuYilo loYilo
(1) UkuKhethwa kweFlame Retardant
- I-Halogenated flame retardants: Ukusebenza okuphezulu kodwa kubangela umngcipheko wokusingqongileyo kunye nempilo.
- I-halogen-free flame retardants: Iyahambelana nokusingqongileyo kodwa ifuna izixa eziphezulu zongezelelo.
(2) Ukusetyenziswa kweeSynergists
- I-Antimony trioxide: Isebenza ngokubambisana kunye ne-halogenated flame retardants ukunyusa kakhulu ukubuyiswa komlilo.
- Phosphorus-nitrogen synergy: Kwiinkqubo ze-halogen-free, i-phosphorus kunye ne-nitrogen-based retardants ye-flame inokusebenza kunye ukuphucula ukusebenza kakuhle.
(3) Ukusasazwa kunye nokuqhubekeka
- Abasasaza: Qinisekisa ukusasazwa okufanayo kweeretadants zomlilo ukunqanda ukugxila okuphezulu kwendawo.
- Izithambisi: Ukuphucula ukusetyenzwa kwamanzi kunye nokunciphisa ukunxiba kwezixhobo.
(4) UkuKhethwa kwe-Agent egwebu
- Iiarhente zogwebu ngokwasemzimbeni: Njenge-CO₂ okanye i-butane, ihambelana nokusingqongileyo kunye nemiphumo emihle yogwebu.
- Ii-agent ezikhupha amagwebu: Njenge-azodicarbonamide (AC), ukusebenza kakuhle kogwebu kodwa kunokuvelisa iigesi eziyingozi.
(5) Ii-Antioxidants
Thintela ukuthotywa kwemathiriyeli ngexesha lokulungiswa kunye nokuphucula uzinzo lwemveliso.
5. Izicelo eziqhelekileyo
- Ukugquma kwesakhiwo: Isetyenziswa kwiindonga, uphahla, kunye nemigangatho yokugquma umgangatho.
- Cold chain logistics: I-Insulation yokugcina ebandayo kunye nezithuthi ezifakwe efrijini.
- Amanye amabala: Izinto ezihlobisayo, izinto zokukhusela isandi, njl.
6. Iingcebiso zokuPhuculwa koKuqulunqwa
(1) Ukuphucula ukusebenza kakuhle kweFlame Retardant
- Iiretadants ezidibeneyo zomlilo: Ezinje ngehalogen-antimony okanye i-phosphorus-nitrogen synergies ukuqinisa ukulibaziseka komlilo.
- Iiretadants zeNano: Njenge-nano magnesium hydroxide okanye i-nano clay, ukuphucula ukusebenza kakuhle ngelixa kuncitshiswa inani elongezelelweyo.
(2) Ukuphuculwa kweePropati zoomatshini
- Iiarhente eziqinisayo: Njenge-POE okanye i-EPDM, ukuphucula ukuqina kwezinto eziphathekayo kunye nokuchasana kwempembelelo.
- Ukuqinisa izizalisi: Njengeentsinga zeglasi, ukomeleza amandla kunye nokuqina.
(3) UkuNcitshiswa kweendleko
- Lungiselela umlinganiselo wokubuyiswa komlilo: Nciphisa ukusetyenziswa ngelixa uhlangabezana neemfuno ze-flame retardant.
- Khetha izinto ezingabizi kakhulu: Njengezinto zasekhaya okanye ezidityanisiweyo zokulinda amadangatye.
7. IiMfuno zokusiNgqongileyo nezoLawulo
- I-Halogenated flame retardants: Ukuthintelwa yimigaqo efana ne-RoHS kunye ne-REACH; sebenzisa ngononophelo.
- I-halogen-free flame retardants: Thobela imimiselo yokusingqongileyo kwaye umele iintsingiselo zexesha elizayo.
Isishwankathelo
Uyilo loyilo lweeretardants zomlilo ze-XPS kufuneka lusekelwe kwimiba ethile yesicelo kunye neemfuno zokulawula, ukukhetha phakathi kwe-halogenated okanye i-halogen-free flame retardants. I-Halogenated flame retardants ibonelela ngokusebenza okuphezulu kodwa ibeka inkxalabo yokusingqongileyo, ngelixa iiretardants ezingenayo i-halogen ezilungele idangatye zinobuhlobo ngakumbi nokusingqongileyo kodwa zifuna izixa eziphezulu zokongeza. Ngokulungisa imixube kunye neenkqubo, ukusebenza okuphezulu, eco-friendly, kunye nexabiso eliphantsi le-XPS ye-flame-retardant inokuveliswa ukuhlangabezana neemfuno zokugquma isakhiwo kunye nezinye iindawo.
More info., pls contact lucy@taifeng-fr.com
Ixesha lokuposa: May-23-2025
