Material Analysis
12 görüntüleme
PPO Flame Retardant Grade Exudation
Sorun Belirtisi
White exudate appears on the surface of PPO flame retardant products, which worsens after storage, affecting appearance and electrical performance.
Neden Analizi
The compatibility between the flame retardant and the matrix is limited, and it migrates and exudes during high-temperature processing or storage; excessively high processing temperature accelerates flame retardant decomposition and migration; a humid environment promotes the appearance of exudate.
Çözüm
①Control processing temperature to avoid flame retardant decomposition; ②select flame retardant system grades with good compatibility; ③control temperature and humidity of the storage environment; ④analyze the composition of the exudate for traceability.
Temel Çıkarım
PPO flame retardant grade exudation is a superimposed problem of formulation and process; temperature control is the main means on the processing side; composition analysis locates the exudation source.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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