Nylon (Polyamide, PA) yog ib hom yas engineering uas muaj zog heev uas siv dav hauv cov khoom siv hluav taws xob, tsheb, ntaub, thiab lwm yam. Vim nws yooj yim kub hnyiab, kev hloov kho nylon kom tsis txhob kub hnyiab yog qhov tseem ceeb heev. Hauv qab no yog cov qauv tsim thiab piav qhia txog cov qauv nylon uas tiv thaiv hluav taws, uas suav nrog ob qho tib si halogenated thiab halogen-free flame retardant solutions.
1. Cov Ntsiab Cai ntawm Nylon Flame Retardant Formulation Design
Kev tsim cov nylon nplaim taws retardant formulations yuav tsum ua raws li cov hauv paus ntsiab lus hauv qab no:
- Kev Tiv Thaiv Hluav Taws Kub SiabUa tau raws li cov qauv UL 94 V-0 lossis V-2.
- Kev Ua Haujlwm ZooCov tshuaj tiv thaiv hluav taws yuav tsum tsis txhob cuam tshuam rau cov khoom ua haujlwm ntawm nylon (piv txwv li, kev ua haujlwm zoo, kev ruaj khov ntawm thermal).
- Cov Khoom Siv Kho Tshuab: Kev ntxiv cov tshuaj tiv thaiv hluav taws yuav tsum txo qhov cuam tshuam rau nylon lub zog, kev tawv, thiab kev hnav tsis kam.
- Kev phooj ywg ib puag ncig: Xaiv cov tshuaj tiv thaiv hluav taws uas tsis muaj halogen ua ntej kom ua raws li cov cai ib puag ncig.
2. Cov Qauv Nylon Uas Muaj Hluav Taws Xob Halogenated
Cov tshuaj halogenated flame retardants (piv txwv li, cov tshuaj brominated) cuam tshuam cov kev sib txuas combustion chain reactions los ntawm kev tso tawm cov halogen radicals, muab cov txiaj ntsig zoo ntawm kev tiv thaiv hluav taws.
Cov qauv sib xyaw:
- Nylon resin (PA6 lossis PA66): 100 phr
- Cov tshuaj brominated flame retardant: 10–20 phr (piv txwv li, decabromodiphenyl ethane, brominated polystyrene)
- Antimony trioxide (synergist): 3–5 phr
- Cov roj nplua nyeem: 1–2 phr (piv txwv li, calcium stearate)
- Cov tshuaj antioxidant: 0.5–1 phr (piv txwv li, 1010 lossis 168)
Cov Kauj Ruam Ua Haujlwm:
- Premix nylon resin, hluav taws kub retardant, synergist, roj nplua nyeem, thiab antioxidant sib npaug.
- Siv lub tshuab extruder twin-screw yaj thiab pelletize, yaj-blend.
- Tswj qhov kub ntawm extrusion ntawm 240–280 ° C (kho raws li hom nylon).
Cov yam ntxwv:
- Cov txiaj ntsig: Ua haujlwm tiv taus hluav taws kub zoo, cov khoom ntxiv tsawg, thiab pheej yig.
- Qhov tsis zooTej zaum yuav muaj cov pa roj lom thaum lub sijhawm hlawv, kev txhawj xeeb txog ib puag ncig.
3. Cov Qauv Nylon Uas Tsis Muaj Halogen Uas Tiv Thaiv Tau Hluav Taws
Cov tshuaj tiv thaiv hluav taws uas tsis muaj halogen (piv txwv li, phosphorus-based, nitrogen-based, lossis inorganic hydroxides) ua haujlwm los ntawm kev tshuaj tiv thaiv endothermic lossis kev tsim cov txheej tiv thaiv, muab kev ua haujlwm zoo dua rau ib puag ncig.
Cov qauv sib xyaw:
- Nylon resin (PA6 lossis PA66): 100 phr
- Cov tshuaj tua hluav taws uas muaj phosphorus: 10–15 phr (piv txwv li, ammonium polyphosphate APP lossis phosphorus liab)
- Cov tshuaj tiv thaiv hluav taws uas siv nitrogen: 5–10 phr (piv txwv li, melamine cyanurate MCA)
- Inorganic hydroxide: 20–30 phr (piv txwv li, magnesium hydroxide lossis aluminium hydroxide)
- Cov roj nplua nyeem: 1–2 phr (piv txwv li, zinc stearate)
- Cov tshuaj antioxidant: 0.5–1 phr (piv txwv li, 1010 lossis 168)
Cov Kauj Ruam Ua Haujlwm:
- Ua ntej sib tov nylon resin, hluav taws kub retardant, roj nplua nyeem, thiab antioxidant sib npaug.
- Siv lub tshuab extruder twin-screw yaj thiab pelletize, yaj-blend.
- Tswj qhov kub ntawm extrusion ntawm 240–280 ° C (kho raws li hom nylon).
Cov yam ntxwv:
- Cov txiaj ntsig: Tus phooj ywg ib puag ncig, tsis muaj pa roj lom, ua raws li cov cai.
- Qhov tsis zoo: Kev ua haujlwm tiv thaiv hluav taws tsawg dua, cov khoom ntxiv ntau dua, muaj peev xwm cuam tshuam rau cov khoom siv kho tshuab.
4. Cov Kev Xav Tseem Ceeb hauv Kev Tsim Qauv
(1) Kev Xaiv Hluav Taws Kub
- Cov tshuaj halogenated nplaim taws: Ua haujlwm tau zoo tab sis ua rau muaj kev pheej hmoo rau ib puag ncig thiab kev noj qab haus huv.
- Cov tshuaj tua hluav taws uas tsis muaj halogen: Zoo rau ib puag ncig tab sis xav tau ntau dua thiab tej zaum yuav cuam tshuam rau kev ua haujlwm ntawm cov khoom.
(2) Kev siv cov neeg ua haujlwm sib koom tes
- Antimony trioxide: Ua haujlwm sib koom tes nrog cov tshuaj halogenated flame retardants kom txhim kho flame retardancy.
- Kev sib koom ua ke ntawm phosphorus-nitrogenHauv cov tshuab uas tsis muaj halogen, cov tshuaj tua hluav taws uas muaj phosphorus thiab nitrogen tuaj yeem sib koom ua ke los txhim kho kev ua haujlwm.
(3) Kev tawg thiab kev ua tiav
- Cov tshuaj dispersants: Xyuas kom meej tias cov tshuaj tiv thaiv hluav taws sib xyaw ua ke kom tsis txhob muaj ntau dhau hauv zos.
- Cov roj nplua nyeem: Txhim kho kev ua haujlwm kom du thiab txo cov khoom siv hnav.
(4) Cov tshuaj antioxidants
Tiv thaiv kom cov khoom puas tsuaj thaum lub sijhawm ua haujlwm thiab txhim kho kev ruaj khov ntawm cov khoom.
5. Cov Ntawv Thov Ib Txwm Muaj
- Khoom siv hluav taws xobCov khoom uas tiv taus hluav taws xws li cov connectors, switches, thiab sockets.
- TshebCov khoom siv hluav taws kub xws li cov npog cav, cov xov hlau, thiab cov khoom sab hauv.
- Cov ntaub: Cov fibers thiab cov ntaub uas tsis kub hnyiab.
6. Cov Lus Qhia Txog Kev Txhim Kho Cov Qauv
(1) Txhim kho kev ua haujlwm ntawm nplaim taws
- Kev sib xyaw ua kom tsis txhob kub hnyiabKev sib koom ua ke ntawm Halogen-antimony lossis phosphorus-nitrogen los txhim kho kev ua tau zoo.
- Nano nplaim taws retardantsPiv txwv li, nano magnesium hydroxide los yog nano av nplaum, los txhim kho kev ua haujlwm thiab txo cov khoom ntxiv.
(2) Kev Txhim Kho Cov Khoom Siv Kho Tshuab
- Cov khoom siv tawvPiv txwv li, POE lossis EPDM, los txhim kho cov khoom siv tawv thiab kev cuam tshuam.
- Cov khoom siv ntxiv dag zogPiv txwv li, iav fiber, los txhim kho lub zog thiab rigidity.
(3) Txo Nqi
- Txhim kho qhov sib piv ntawm cov nplaim taws: Txo kev siv thaum ua tau raws li qhov yuav tsum tau ua kom tsis txhob muaj hluav taws.
- Xaiv cov khoom siv uas pheej yigPiv txwv li, cov tshuaj tiv thaiv hluav taws hauv tsev lossis cov tshuaj sib xyaw.
7. Cov Kev Cai Ib puag ncig thiab Kev Cai Tswjfwm
- Cov tshuaj halogenated nplaim tawsTxwv los ntawm RoHS, REACH, thiab lwm yam, yuav tsum tau siv ceev faj.
- Cov tshuaj tua hluav taws uas tsis muaj halogenUa raws li cov cai, sawv cev rau cov qauv yav tom ntej.
Kev tsim cov qauv nylon nplaim taws retardant yuav tsum xav txog cov xwm txheej tshwj xeeb ntawm daim ntawv thov thiab cov kev cai lij choj thaum xaiv cov halogenated lossis halogen-free flame retardants. Halogenated flame retardants muaj kev ua haujlwm zoo tab sis ua rau muaj kev pheej hmoo rau ib puag ncig, thaum cov kev xaiv halogen-free yog eco-friendly tab sis xav tau ntau cov khoom ntxiv. Los ntawm kev ua kom zoo dua cov qauv thiab cov txheej txheem, cov ntaub ntawv nylon nplaim taws retardant zoo, zoo rau ib puag ncig, thiab pheej yig tuaj yeem tsim los ua kom tau raws li qhov xav tau ntawm cov khoom siv hluav taws xob, tsheb, textiles, thiab lwm yam lag luam.
More info., pls contact lucy@taifeng-fr.com
Lub sijhawm tshaj tawm: Tsib Hlis-22-2025
