PVC Flame Retardant Masterbatch Reference Uqulunqo
Ukuyila kunye nokulungiswa kwe-PVC flame retardant masterbatch formulations, ebandakanya ii-retardants zomlilo ezikhoyo kunye nezixhobo eziphambili ze-synergistic, ezijolise kwi-UL94 V0 i-flame retardancy (enokulungiswa kwi-V2 ngokunciphisa izixa ezongezelelweyo).
I. Isindululo seFomula esiSiseko (i-PVC eqinileyo)
Ulwakhiwo lwePlastiki oluLawula amadangatya:
| Icandelo | Iyalayisha (wt%) | Inkcazo yomsebenzi |
|---|---|---|
| PVC intlaka (SG-5 uhlobo) | 40-50% | Izinto ze-matrix, ngokukodwa ibakala eliphantsi lokufunxa ioyile |
| I-aluminium hypophosphite | 12-15% | Umthombo we-Acid wokwenza i-char, icinezela ukukhanya |
| I-zinc borate | 8-10% | I-Synergistic umsi wokuthomalalisa, idibana ne-HCl ukusuka kwi-PVC yokubola |
| Umphezulu-oguquliwe i-aluminiyam hydroxide | 10-12% | Ukupholisa kwe-endothermic, kufuna ukugquma kwe-arhente yokudibanisa i-silane (iqondo lokubola. lihambelana nokusetyenzwa kwePVC) |
| I-Antimony trioxide (Sb₂O₃) | 3-5% | I-Core synergist, yongeza ukulibaziseka komlilo nge-Cl-Sb synergy |
| IZinc molybdate (isixhobo sokucinezela umsi) | 5-8% | Idizayini ecetyiswayo, inciphisa ukuxinana komsi (isitshixo sokuthotyelwa kweDIN 4102) |
| I-Dipentaerythritol (DPE) | 2-3% | Uncedo lokwenza i-Char-forming, luphucula ulawulo lokunyibilika |
| I-Thermal stabilizer (Icomposite yeCa-Zn) | 3-4% | Kubalulekile ukukhusela ukuthotywa kwe-thermal ngexesha lokucubungula |
| IPlastiki (i-DOP okanye eyenye indawo yendalo) | 0-8% | Lungisa ubulukhuni (ukhetho lwePVC eqinileyo) |
| I-Lubricant (i-calcium stearate) | 1-1.5% | Ukuphucula ukuqhubekeka, kuthintela ukuncamathela kwe-roller |
| Uncedo lokulungisa (ACR) | 1-2% | Yandisa iplastification kunye ne-masterbatch dispersion |
II. Imigaqo-siseko engundoqo yokuPhucula
- I-Flame Retardant Synergy System
- I-Cl-Sb Synergy: I-PVC ye-chlorine engokwemvelo (i-56%) idibaniswe ne-3-5% i-Sb₂O₃ yenza umqobo we-SbCl₃, eyenza ukuba i-gas-phase / i-condensed-phase-detection-detection flame retadancy.
- Ukunciphisa Umsi: I-Zinc molybdate + i-zinc borate inciphisa ubuninzi bomsi nge> 40% (ASTM E662).
- Ukuphuculwa kweChar: I-Aluminiyam i-hypophosphite + i-DPE ivelisa i-phosphoric ester char edibeneyo edibeneyo kwi-200-250 ° C, ihlawulela ukusilela kwe-PVC kwinqanaba lokuqala le-char.
- Ukuqhubekeka nokuziqhelanisa
- Ubushushu obuhambelanayo: I-Aluminium hypophosphite (i-decomposition ≥250 ° C) kunye ne-Al (OH) ₃ eguqulelwe phezulu (izinzile ukuya kwi-200 ° C) ihambelana ne-PVC processing (160-190 ° C).
- UQinisekiso lozinzo: Izizinzi zeCa-Zn zithintela ukuthotywa kweresin ekukhutshweni kweHCl; I-ACR inceda i-plastification kwiinkqubo zokuzalisa okuphezulu.
- Ulungelelwaniso lokuSebenza
- Ukulayishwa kwe-flame retardant iyonke: 35-45%, ukugcinwa kwamandla e-tensile ≥80% (eqhelekileyo ≥40 MPa ye-PVC eqinile).
- Ukuguquguquka (i-PVC eguquguqukayo), buyisela i-DOP nge-8% yeoli ye-soya epoxidized (i-plasticizer ezimbini / i-flame retardant).
III. Uvavanyo kunye noQinisekiso lweMetrikhi
UkuBamba idangatye:
- UL94 V0 (1.6 mm ubukhulu)
- Ukunciphisa i-Oxygen Index (LOI) ≥32%
Ulawulo lomsi:
- Uvavanyo lwegumbi lomsi le-NBS: Ubuninzi bobuninzi bokukhanyaDs≤150 (imowudi evuthayo)
Iinkcazelo ngoomatshini:
- Amandla okuqina ≥35 MPa (eqinile), ubude ngexesha lekhefu ≥200% (eguquguqukayo)
Uzinzo lweThermal:
- I-DMA iqinisekisa ukuba akukho modulus yehla kwi-180 ° C.
IV. Iindleko kunye noLungiso oluLungelelene ne-Eco
Enye Yexabiso Eliphantsi:
- Nciphisa i-zinc molybdate kwi-3%, ithathe indawo ye-Al (OH) ₃ kunye ne-Mg (OH) ₂ (ukwanda ukuya kwi-15%).
Isicombululo esingama-Antimony:
- Susa i-Sb₂O₃, sebenzisa i-2% ye-aluminium diethylphosphinate + 5% nano-kaolin (ukusebenza okuphantsi kancinci; kufuna i-3 mm ubukhulu be-V0).
Umsi oPhambili:
- Yongeza i-1% ye-silicone efakwe i-resin-coated carbon emnyama ukuze unciphise ngakumbi ingxinano yomsi nge-15%.
V. Izikhokelo zokuSebenza
- Ukudibanisa Ulandelelwano:
Intlaka yePVC → isizinzi + isithambiso → iiretardants zomlilo (ezisezantsi ukuya kuxinaniso oluphezulu) → iplastiki yeplastiki (isitshizi-eyokugqibela). - Ukulungiswa kwamaqondo obushushu:
Imimandla ye-twin-screw extruder: 160 ° C (isondlo) → 170 ° C (enyibilikayo) → 180 ° C (ukuxuba) → 175 ° C (intloko yokufa). - I-Masterbatch Concentration:
Cebisa i-50% yokulayisha; nciphisa i-1: 1 nge-PVC enyulu yokubumba isitofu sokugqibela.
Olu qulunqo lulungelelanisa ukubuyiswa komlilo ophezulu, umsi ophantsi, kunye nokuzinza kokucubungula. Izilingo ezincinci zicetyiswa ngaphambi kokulinganisa, kunye nohlengahlengiso olusekelwe kwifom yemveliso (amaphepha, iintambo, njl.).
More info., pls contact lucy@taifeng-fr.com
Ixesha lokuposa: Jul-08-2025
