Material Analysis
4 조회수
PA flame retardancy requires a large amount of flame retardant, and the performance loss is obvious
문제 현상
PA flame retardancy requires a large amount of flame retardant, and the performance loss is obvious
원인 분석
The molecular structure of PA contains nitrogen, but the self-flame-retardant rating is low, so flame retardants need to be added
Halogen flame retardants have good effects but are environmentally restricted
Halogen-free flame retardants require large addition amounts (15-25%), and the mechanical properties decline significantly
The compatibility between the flame retardant and PA is poor, and dispersion is difficult
The processing fluidity of flame-retardant PA decreases, and the process window is narrower
해결 방법
Select environmentally friendly halogen-free flame retardants
Control the amount of flame retardant added within a reasonable range
Select a flame retardant with good compatibility with polyamide 410 (bio-based long carbon chain nylon)
Adjust the processing parameters after flame retardant modification
Evaluate the balance between flame retardancy and mechanical properties
핵심 요약
PA flame retardancy requires balancing the flame retardant effect and mechanical properties
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