コア・シェルの弾性性阻燃剤で,耐火性および硬化ポリアミド66の優れた移動抵抗性を備えています
Jingfan Zhang1,2, Xiao-Jie Li1,2, Guowen Ran1,2
1China Bluestar Chengrand Co., Ltd., Chengdu 610041, China.
Polymers
|February 13, 2026
まとめ
この研究では,ポリアミド66 (PA66) の移動を防ぐために,コアシェルの弾性炎症阻害剤 (SiR@FR) を開発しました. 新しい阻燃剤は,材料の安定性,阻燃性,機械的性を大幅に改善します.
科学分野:
- 材料科学 材料科学とは
- ポリマー化学のポリマー化学について
- 炎を抑える技術 炎を抑える技術
背景:
- ハロゲンフリーな阻燃剤は,過酷な環境下でポリアミド66 (PA66) に移動し,表面を白くする.
- PA66で一般的に使用されているアルミニウムジエチルフォスフィナート (ADP) とメラミンポリフォスファート (MPP) は,この移行問題を表しています.
研究 の 目的:
- PA66.6の移行課題を克服するために,新しいコアシェル弾性阻燃剤 (SiR@FR) を開発する.
- PA66複合材料の燃焼阻害性,移動抵抗性,および機械的特性を高めるために.
主な方法:
- コア・シェルの弾性性炎症阻害剤 (SiR@FR) は,溶液堆積法を使用して,ポリメチルシロキサン (SiR) をADPとMPPに封じ込み合成した.
- 改造された阻燃剤はPA66に組み込まれ,その結果生成された複合材料 (PA66-5) は老化試験,阻燃性評価 (UL-94 V-0) および機械特性評価を受けた.
主要な成果:
- PA66-5は,85°C/85%の相対湿度で480時間の熟成後,表面の美白を示さず,優れた移動耐性を示しました.
- 複合材料はUL-94 V-0の評価とピーク熱放出率の65%削減を達成しました.
- 耐久性の向上とストレス濃度の軽減により,衝撃強度が21%増加しました.
結論:
- SiR@FRの封じ込め戦略は,PA66.6における阻燃剤の移行を効果的に防止しています.
- 開発された耐火性PA66複合材料は,優れた安定性,耐火性,および機械的特性を有しています.
- このアプローチは,耐久性があり安定した耐火材料を必要とする要求の高いアプリケーションに有望なソリューションを提供します.
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