A non-yellowing antioxidant-UV stabilizer combination especially useful in AES polymers comprising
(A) at least one antioxidant selected from:
(i) a thiodialkylene bis-(3,5-dialkyl-4-hydroxy) hydrocinnamate antioxidant;
(ii) an N,N'-alkylene bis-(3,5-dialkyl-4-hydroxy) hydro- cinnamamide antioxidant;
(iii) an O,O-dialkyl-3,5-dialkyl-4-hydroxybenzyl phosphonate antioxidant;
(iv) an oxamidobis alkyl (3,5-dialkyl-4-hydroxyphenyl) propionate antioxidant; and
(v) a [3-(3,5-dialkyl-4-hydroxyphenyl)propionamido]alkyl stearate antioxidant; and
(B) a UV stabilizer package comprising:
(vi) at least one UV stabilizer of the hindered amine type, with or without
(vii) at least one UV absorber.
一种非黄变
抗氧化剂-紫外线稳定剂组合,特别适用于 AES 聚合物,包括
(A) 至少一种
抗氧化剂,选自
(i)
硫代二亚烷基双-(3,5-二烷基-
4-羟基)氢化
肉桂酸酯
抗氧化剂;
(ii) N,N'-烷基双-(3,5-二烷基-
4-羟基)氢肉桂酰胺
抗氧化剂;
(iii) 一种 O,O-二烷基-3,5-二烷基-
4-羟基苄基
膦酸盐
抗氧化剂;
(iv)
肟双烷基(3,5-二烷基-
4-羟基苯基)
丙酸酯
抗氧化剂;以及
(v) [3-(3,5-二烷基-
4-羟基苯基)丙酰胺基]烷基
硬脂酸酯
抗氧化剂;以及
(B) 紫外线稳定剂包,包括
(vi) 至少一种受阻
胺类紫外线稳定剂,有或没有
(vii) 至少一种
紫外线吸收剂。