
12: PARTIALLY AROMATIC POLY(AMIDE)S 289
Table 12.6 Additives for Molding Types [28]
Additive Usage
Sterically hindered
phenols
Antioxidant
Copper halides Antioxidant
Resorcinols UV stabilizer
Salicylates UV stabilizer
Benzotriazoles UV stabilizer
Benzophenones UV stabilizer
Stearyl alcohol Mold release agent
Stearic acid derivates Mold release agent
N-alkylstearamides Mold release agent
Rubbers Impact modifier
Glass fibers Filler and reinforcement
Wollastonite Filler and reinforcement
Poly(dibromostyrene) Flame retardant [51]
12.4.2 Antioxidants
PPAs must be processed at higher temperatures than
aliphatic PAs. The processing temperature may be
close to the degradation ...