C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/3029, 31/73
C08K 5/53 (2006.01) C08K 5/20 (2006.01) C08K 5/3435 (2006.01) C08K 5/375 (2006.01) C08K 5/5333 (2006.01) C08L 51/04 (2006.01) C08L 51/06 (2006.01)
Patent
CA 1194686
ABSTRACT A non-yellowing antioxidant-UV stabilizer combination especially useful in AES polymers comprising (A) at least one antioxidant selected from the group con- sisting of: (i) a thiodialkylene bis-(3,5-dialkyl-4-hydroxy) hydro- cinnamate 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 phospho- nate 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.
423100
Geelan Brendan J.
Nemzek Thomas L.
Gowling Lafleur Henderson Llp
The Dow Chemical Company
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