Fautuaga Fuafuaga Fa'asa'o-Afi mo le Halogen-Free Impact Polystyrene (HIPS)
Manaoga Tagata Fa'atau: HIPS e fa'asalaina afi mo fale mea faigaluega eletise, malosi o le a'afiaga ≥7 kJ/m², fa'ailoga fa'afefeteina (MFI) ≈6 g/10min, fa'ailoga tui.
1. Phosphorus-Nitrogen Synergistic Flame-Retardant System
HIPS Fa'ata'ita'iga e Taofia Mu (Laulaula 1)
| Vaega | utaina (phr) | Fa'amatalaga |
| HIPS resin | 100 | Mea fa'avae |
| Ammonium polyphosphate (APP) | 15-20 | Punavai phosphorus |
| Melamine cyanurate (MCA) | 5-10 | Punavai nitrogen, fa'atasi ma le APP |
| Fa'alautele kalafi (EG) | 3-5 | Faʻaleleia le faʻatulagaina o le char |
| Su'e fa'atetetete (PTFE) | 0.3-0.5 | Puipuia matāua liusuavai |
| Fa'atasi (fa'ata'ita'iga, HIPS fa'apipi'i MAH) | 2-3 | Fa'aleleia le ta'ape |
Vaega:
- AusiaUL94 V-0e ala i le fa'atupuina o char mai le APP/MCA synergy.
- E leai se Halogen ma fa'alelei, ae e ono fa'aitiitia ai mea fa'ainisinia; optimization manaomia.
2. Metal Hydroxide Flame-Retardant System
Fa'atulagaina o HIPS (Laulau 2)
| Vaega | utaina (phr) | Fa'amatalaga |
| HIPS resin | 100 | - |
| Aluminium hydroxide (ATH) | 40-60 | Uluai mumu mumu |
| Magnesium hydroxide (MH) | 10-20 | Fa'atasi ma le ATH |
| Silane so'o fa'atasi (fa'ata'ita'iga, KH-550) | 1-2 | Faʻaleleia le faʻasalalau faʻatumu |
| Malolosi (faataitaiga, SEBS) | 5-8 | Taui mo aafiaga leiloa malosi |
Vaega:
- Manaomia>50% utamo UL94 V-0, ae fa'aleagaina le malosi ma le tafe.
- Talafeagai mo talosaga maualalo-asu/maualalo-o'ona (faataitaiga, nofoaafi felauaiga).
3. Phosphorus-Nitrogen Synergistic System (Aluminum Hypophosphite + MCA)
Fa'atonuina o le HIPS
| Vaega | utaina (phr) | Galuega/Fa'amatalaga |
| HIPS (vaega maualuga, fa'ata'ita'iga, PS-777) | 100 | Mea fa'avae (a'afiaga ≥5 kJ/m²) |
| Aluminium hypophosphite (AHP) | 12-15 | Punaoa phosphorus, mautu vevela |
| Melamine cyanurate (MCA) | 6-8 | Punavai nitrogen, fa'atasi ma le AHP |
| SEBS/SBS | 8-10 | Malolosi taua mo le aafiaga ≥7 kJ/m² |
| Suau'u paraffin sua/epoxidized soya | 1-2 | Lubricant, faʻaleleia le tafe / faʻasalalau |
| PTFE | 0.3-0.5 | Anti-tetepa vai |
| Antioxidant 1010 | 0.2 | Puipuia le faaleagaina |
Manatu Autu Fuafuaga:
- Filifiliga Resin:
- Fa'aaogā togi maualuga o le HIPS (fa'ata'ita'iga,Chimei PH-888,Taifa PG-33) fa'atasi ai ma le malosi o le a'afiaga o le 5–6 kJ/m². SEBS e faʻaleleia atili le faigata.
- Pulea o le tafe:
- AHP/MCA fa'aitiitia le MFI; tauia i lubricants (fa'ata'ita'iga, paraffini vai) po'o mea fa'apipi'i (fa'ata'ita'iga, suau'u soya epoxidized).
- Afai e maualalo pea le MFI, faaopoopo2–3 itula TPUia fa'aleleia le tafe ma le malosi.
- Fa'amaoniga o le Mumu:
- AHP e mafai ona fa'aititia ile12 phpe a tuufaatasi ma2–3 phr EGia tausia UL94 V-0.
- MoUL94 V-2, fa'aitiitia uta fa'afefe mu e fa'amuamua le a'afiaga/fa'aga.
- Fa'ailoga Fa'asu'iina:
- Tempera:180–220°C(aloese mai le faaleagaina o le AHP/HIPS).
- Saosaoa tui:Medium-maualugae puipuia ai le le atoatoa o le faatumuina.
Galuega Fa'amoemoeina:
| Meatotino | Tau Fa'atatau | Tulaga Su'ega |
| Malosi a'afiaga | ≥7 kJ/m² | ISO 179/1eA |
| MFI (200°C/5 kilokalama) | 5–7 g/10min | ASTM D1238 |
| Fa'aliga mu | UL94 V-0 (1.6 mm) | UL94 |
| Malosi fa'asa | ≥25 MPa | ISO 527 |
4. Suiga Fofo
- Filifiliga Tau-Ma'ale'ale: Sui le AHP i se vaegaphosphorus mumu microencapsulated (3-5 phr), ae maitau tapulaa lanu (mumu-enaena).
- Fa'amaoniga: Fa'atino ni fa'ata'ita'iga laiti e fa'apaleni le a'afiaga ma le fa'aletonu o le mu a'o le'i fa'amalieina le tafe.
More info. , pls contact lucy@taifeng-fr.com
Taimi meli: Aukuso-15-2025
