| 摘要 |
<p>A non-yellowing antioxidant-UV stabilizer combination especially useful in AES polymers comprising
<UnorderedLists id="ula01" listStyle="none"><ListItem>(A) at least one antioxidant selected from:
<UnorderedLists id="ula02" listStyle="none"><ListItem>(i) a thiodialkylene bis-(3,5-dialkyl-4-hydroxy) hydrocinnamate antioxidant;</ListItem><ListItem>(ii) an N,N'-alkylene bis-(3,5-dialkyl-4-hydroxy) hydro- cinnamamide antioxidant;</ListItem><ListItem>(iii) an O,O-dialkyl-3,5-dialkyl-4-hydroxybenzyl phosphonate antioxidant;</ListItem><ListItem>(iv) an oxamidobis alkyl (3,5-dialkyl-4-hydroxyphenyl) propionate antioxidant; and</ListItem><ListItem>(v) a [3-(3,5-dialkyl-4-hydroxyphenyl)propionamido]alkyl stearate antioxidant; and</ListItem></UnorderedLists></ListItem><ListItem>(B) a UV stabilizer package comprising:
<UnorderedLists id="ula03" listStyle="none"><ListItem>(vi) at least one UV stabilizer of the hindered amine type, with or without</ListItem><ListItem>(vii) at least one UV absorber.</ListItem></UnorderedLists></ListItem></UnorderedLists></p> |
