Nylon (Polyamide, PA) ni pulasitiki ikora cyane ikoreshwa cyane mu bikoresho by'ikoranabuhanga, imodoka, imyenda, n'ibindi. Bitewe n'uko ishobora gushya, guhindura nylon igabanya umuriro ni ingenzi cyane. Hasi hari igishushanyo kirambuye n'ibisobanuro by'imiterere ya nylon igabanya umuriro, ikubiyemo ibisubizo bya halogen na halogen bitagira umuriro.
1. Amahame yo gushushanya imiterere y'urumuri rwa nylon rudakoresha umuriro
Igishushanyo mbonera cy'imashini zigabanya umuriro za nylon kigomba kubahiriza amahame akurikira:
- Kudashira kw'umuriro mwinshi: Uzuza ibipimo bya UL 94 V-0 cyangwa V-2.
- Imikorere yo Gutunganya: Ibintu bigabanya umuriro ntibigomba kugira ingaruka zikomeye ku mikorere ya nylon (urugero: amazi, ubushyuhe).
- Imiterere ya mekanike: Kongeramo ibintu bigabanya umuriro bigomba kugabanya ingaruka ku mbaraga za nylon, gukomera kwayo, no kudashira kwayo.
- Kubungabunga ibidukikije: Shyira imbere ibikoresho bigabanya umuriro bitagira halogen kugira ngo bikurikize amabwiriza agenga ibidukikije.
2. Uburyo bwo gukora nylon irinda umuriro wa Halogen
Ibikoresho bigabanya umuriro bya Halogenated (urugero: ibinyabutabire bya Brominated) bihagarika ibikorwa byo gutwika binyuze mu kurekura halogen radicals, bigatanga ubushobozi bwo kugabanya umuriro.
Imiterere y'imvange:
- Resin ya nylon (PA6 cyangwa PA66): 100 phr
- Irinda umuriro ikoresheje brominate: 10–20 phr (urugero: decabromodiphenyl ethane, polystyrene ikoresheje brominate)
- Antimoni trioxyde (synergist): 3–5 phr
- Amavuta yo kwisiga: 1–2 phr (urugero, calcium stearate)
- Antioxydant: 0.5–1 phr (urugero, 1010 cyangwa 168)
Intambwe zo Gutunganya:
- Premix nylon resin, irinda umuriro, ikora synergist, amavuta, na antioxydant kimwe.
- Shyiraho ukoresheje icyuma gisohora ibintu bibiri hanyuma ubyinjizemo pellet.
- Genzura ubushyuhe bwo gusohora kuri 240–280°C (hindura ukurikije ubwoko bwa nylon).
Ibiranga:
- Ibyiza: Ingufu nyinshi zigabanya umuriro, ingano nto y'inyongera, kandi ihendutse.
- Imbogamizi: Ibyuka bihumanya bishobora gusohoka mu gihe cyo gutwika, impungenge ku bidukikije.
3. Uburyo bwo gukora nylon idafite umuriro wa Halogen
Ibintu bigabanya umuriro bidafite halogen (urugero: fosifore, azote, cyangwa hydroxides inorganic) bikora binyuze mu mikorere ya endothermique cyangwa imiterere y’urukuta rurinda ibidukikije, bigatanga imikorere myiza mu bidukikije.
Imiterere y'imvange:
- Resin ya nylon (PA6 cyangwa PA66): 100 phr
- Umuriro ukoresha fosifore: 10–15 phr (urugero, ammonium polyphosphate APP cyangwa fosifore itukura)
- Umuriro ukoresha azote: 5–10 phr (urugero, melamine cyanurate MCA)
- Hydroxide idakomoka ku bimera: 20–30 phr (urugero: hydroxide ya manyeziyumu cyangwa hydroxide ya aluminiyumu)
- Amavuta yo kwisiga: 1–2 phr (urugero, zinc stearate)
- Antioxydant: 0.5–1 phr (urugero, 1010 cyangwa 168)
Intambwe zo Gutunganya:
- Resin ya nylon ivanze mbere, irinda umuriro, amavuta yo kwisiga, na antioxydant mu buryo bumwe.
- Shyiraho ukoresheje icyuma gisohora ibintu bibiri hanyuma ubyinjizemo pellet.
- Genzura ubushyuhe bwo gusohora kuri 240–280°C (hindura ukurikije ubwoko bwa nylon).
Ibiranga:
- Ibyiza: Birinda ibidukikije, nta myuka ihumanya iva mu kirere, byubahiriza amabwiriza.
- Imbogamizi: Kugabanya ubushobozi bwo gufunga umuriro, ingano nyinshi y'inyongera, ingaruka zishobora kugaragara ku miterere y'ibikoresho.
4. Ibigomba kwitabwaho mu gushushanya imiterere y'ibikoresho
(1) Guhitamo ibidakoresha umuriro
- Ibikoresho bigabanya umuriro bya Halogenated: Ikoranabuhanga rikomeye ariko riteza ingaruka ku bidukikije no ku buzima.
- Ibintu bigabanya umuriro bidafite halogen: Ntibingiza ibidukikije ariko bisaba ingano nini kandi bishobora kugira ingaruka ku mikorere y'ibikoresho.
(2) Gukoresha Abahuza (Synergist)
- Antimoni trioxyde: Ikorana neza n'ibikoresho bigabanya umuriro bya halogenated kugira ngo byongere ubushobozi bwo kugabanya umuriro.
- Guhuza fosifore na azote: Mu buryo budafite halogen, ibintu bigabanya umuriro bishingiye kuri fosifore na azote bishobora gukorana kugira ngo binoze imikorere.
(3) Gukwirakwiza no gutunganya ibintu
- Ibikoresho byo gutatanya ibintu: Kugenzura ko ibintu bigabanya umuriro bikwirakwira mu buryo bumwe kugira ngo hirindwe ko ahantu hashyirwa umuriro mwinshi.
- Amavuta yo kwisiga: Kunoza uburyo bwo gutunganya ibikoresho no kugabanya ubusaza bw'ibikoresho.
(4) Antioxydants
Kurinda kwangirika kw'ibikoresho mu gihe cyo gutunganya no kongera ubusugire bw'ibicuruzwa.
5. Porogaramu zisanzwe
- Ibikoresho by'ikoranabuhanga: Ibice bitinda umuriro nk'ibihuza, swichi, na soketi.
- Imodoka: Ibikoresho bigabanya umuriro nk'ibipfukisho bya moteri, imigozi y'insinga, n'ibice by'imbere.
- Imyenda: Indodo n'imyenda bitinda umuriro.
6. Inama zo kunoza uburyo bwo gukora isesengura ry'imiterere y'amakuru
(1) Kongera ubushobozi bwo gukoresha umuriro mu buryo burambye
- Kuvanga ibintu bigabanya umuriro: Halogen-antimony cyangwa fosforu-azote bihuza kugira ngo binoze imikorere.
- Ibintu bigabanya umuriro wa nanoUrugero, nano magnesium hydroxide cyangwa nano clay, kugira ngo byongere imikorere myiza kandi bigabanye ingano y'inyongera.
(2) Kunoza Imiterere ya Mekanike
- Ibikoresho byo gukomeretsaUrugero, POE cyangwa EPDM, kugira ngo hongerwe imbaraga z'ibikoresho no kudahura n'ingaruka.
- Gukomeza ibikoresho byuzuzaUrugero, fibre y'ikirahure, kugira ngo yongere imbaraga n'ubudahangarwa.
(3) Kugabanya Ikiguzi
- Kongera ubushobozi bwo gukoresha ibipimo bigabanya umuriro: Gabanya ikoreshwa ry'umuriro mu gihe wujuje ibisabwa kugira ngo umuriro ukomeze kugurumana.
- Hitamo ibikoresho bihendutseUrugero, ibintu bigabanya umuriro mu ngo cyangwa bivanze.
7. Ibisabwa ku bidukikije n'amategeko agenga ibidukikije
- Ibikoresho bigabanya umuriro bya Halogenated: Bibujijwe na RoHS, REACH, nibindi, bisaba kwitonda.
- Ibintu bigabanya umuriro bidafite halogen: Ikurikiza amabwiriza, igaragaza ibizaba mu gihe kizaza.
Imiterere y'imvange ya nylon igabanya umuriro igomba kwita ku buryo bwihariye bwo kuyikoresha n'ibisabwa mu mategeko mu gihe cyo guhitamo imvange ya halogen cyangwa halogen idafite umuriro. Imvange ya halogen itanga umusaruro mwinshi ariko itera ingaruka mbi ku bidukikije, mu gihe izindi nzira zidafite halogen zirengera ibidukikije ariko zisaba inyongera nyinshi. Mu kunoza imvange n'imikorere, ibikoresho bya nylon bigabanya umuriro kandi bigabanya umuriro mu buryo bwiza, bishobora gukorwa kugira ngo bihuze n'ibikenewe mu nganda z'ikoranabuhanga, imodoka, imyenda, n'izindi nganda.
More info., pls contact lucy@taifeng-fr.com
Igihe cyo kohereza: Gicurasi-22-2025
