Ntụnye atụmatụ imepụta ọkụ na-egbochi ire ọkụ maka polystyrene nwere mmetụta dị elu na-enweghị Halogen (HIPS)
Ihe ndị ahịa chọrọ: HIPS na-ere ọkụ maka ụlọ ngwa eletriki, ike mmetụta ≥7 kJ / m², agbaze agbaze index (MFI) ≈6 g / 10min, injection ịkpụzi.
1. Phosphorus-Nitrogen Synergistic Flame-Retardant Sistemu
Nhazi HIPS ire ọkụ (Table 1)
| Akụkụ | Na-ebugo (phr) | Okwu |
| HIPS resin | 100 | Ihe ndabere |
| Ammonium polyphosphate (APP) | 15-20 | Isi mmalite nke phosphorus |
| Melamine cyanurate (MCA) | 5-10 | Nitrogen isi iyi, na-emekọrịta ihe na APP |
| Eserese graphite (EG) | 3-5 | Na-eme ka nhazi cha cha |
| Ihe mgbochi mgbochi mmiri (PTFE) | 0.3-0.5 | Na-egbochi ụmụ irighiri mmiri gbazere |
| Ngwa ndakọrịta (dịka ọmụmaatụ, HIPS-anyadokwa MAH) | 2-3 | Na-akwalite mgbasa ozi |
Atụmatụ:
- Na-emeriUL94 V-0site na nhazi char intumescent sitere na mmekọrịta APP/MCA.
- Halogen-free na eco-enyi na enyi, ma ọ nwere ike ibelata akụrụngwa; chọrọ njikarịcha.
2. Metal Hydroxide Flame-Retardant System
Ụdị HIPS (Table 2)
| Akụkụ | Na-ebugo (phr) | Okwu |
| HIPS resin | 100 | - |
| Aluminom hydroxide (ATH) | 40-60 | Ihe na-egbochi ire ọkụ nke mbụ |
| Magnesium hydroxide (MH) | 10-20 | Na-emekọrịta ihe na ATH |
| Onye nnọchi anya njikọ Silane (dịka ọmụmaatụ, KH-550) | 1-2 | Na-eme ka mgbasa filler dịkwuo mma |
| Toughener (dịka ọmụmaatụ, SEBS) | 5-8 | Na-akwụ ụgwọ maka mfu ike mmetụta |
Atụmatụ:
- choro> 50% na-ebumaka UL94 V-0, ma na-eweda mmetụta ike na eruba.
- Kwesịrị ekwesị maka ngwa anwụrụ ọkụ/dị obere nsi (dịka ọmụmaatụ, ụgbọ okporo ígwè).
3. Phosphorus-Nitrogen Synergistic System (Aluminium Hypophosphite + MCA)
Ụdị HIPS kachasị mma
| Akụkụ | Na-ebugo (phr) | Ọrụ/ ndetu |
| HIPS (ọkwa nwere mmetụta dị elu, dịka PS-777) | 100 | Ihe ndabere (mmetụta ≥5 kJ/m²) |
| Aluminom hypophosphite (AHP) | 12-15 | Isi iyi nke phosphorus, nkwụsi ike nke okpomọkụ |
| Melamine cyanurate (MCA) | 6-8 | Nitrogen isi iyi, na-emekọrịta ihe na AHP |
| SEBS/SBS | 8-10 | Ihe siri ike maka mmetụta ≥7 kJ/m² |
| Paraffin mmiri / mmanụ soybean | 1-2 | Mmanu mmanu, na-eme ka mgbaba / mgbasa |
| PTFE | 0.3-0.5 | Ihe na-egbochi ntapu |
| Antioxidant 1010 | 0.2 | Na-egbochi mmebi |
Ntụle ndị bụ isi chepụta:
- Nhọrọ resin:
- Jiri akara ule HIPS nwere mmetụta dị elu (dịka,Chimei PH-888,Taifa PG-33) nwere ike mmetụta nke 5-6 kJ/m². SEBS na-eme ka ike sie ike.
- Njikwa nhazigharị:
- AHP/MCA belata MFI; kwụọ ụgwọ site na mmanu mmanu (dịka ọmụmaatụ, paraffin mmiri mmiri) ma ọ bụ plasticizers (dịka ọmụmaatụ, mmanụ soybean epoxidized).
- Ọ bụrụ na MFI ka dị ala, tinye2–3 nkeji TPUiji melite eruba na ike.
- Nkwenye nkwụghachi ọkụ:
- Enwere ike belata AHP ka ọ bụrụ12 prọ bụrụ na ejikọtara ya na2–3 phr EGiji kwado UL94 V-0.
- MakaUL94 V-2, belata ibu na-egbochi ire ọkụ iji bute mmetụta / eruba ụzọ.
- Usoro Ịkpụzi injection:
- Okpomọkụ:180-220 Celsius C(zere mmebi AHP/HIPS).
- Ọsọ ịgba ọgwụ:Ọkara-eluiji gbochie ndochi ezughị ezu.
Arụmọrụ a tụrụ anya ya:
| Ngwongwo | Uru ebumnuche | Nlele ọkọlọtọ |
| Ike mmetụta | ≥7 kJ/m² | ISO 179/1 eA |
| MFI (200°C/5 n'arọ) | 5-7 g/10 nkeji | ASTM D1238 |
| Ịkwụsị ire ọkụ | UL94 V-0 (1.6 mm) | UL94 |
| Ike ọdụdọ | ≥25 MPa | ISO 527 |
4. Nhọrọ Ngwọta
- Nhọrọ-enwe mmetụta nke ọnụ ahịa: Jiri dochie AHP akụkụ ụfọdụphosphorus na-acha uhie uhie microencapsulated (3-5phr), mana rịba ama mmachi agba (acha ọbara ọbara-aja aja).
- Nkwado: Na-eme obere ule iji dozie mmetụta vs. ire ọkụ tupu ị na-ebuli ike.
More info. , pls contact lucy@taifeng-fr.com
Oge nzipu: Ọgọst-15-2025
