C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 211/46 (2006.01) C07D 401/14 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01) C08K 5/3435 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 2127730
Adducts of hindered amine-epoxides as stabilizers Abstract of the disclosure Esters or phenol ethers of the formula I or II Image (I) Image , (II) in which m and n are each an integer from the range from 1 to 6; A1 is an m-valent hydrocarbon radical having 1 to 30 carbon atoms; or an m-valent hydrocarbon radical having 2 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and the free valencies of which are located on carbon atoms; and in which A1, in the case where m = 2, additionally is a direct bond; A2 is an n-valent aromatic or araliphatic hydrocarbon radical having 6 to 30 carbon atoms; or an n-valent aromatic or araliphatic hydrocarbon radical having 5 to 30 carbon atoms, which contains the heteroatoms oxygen, nitrogen and/or sulfur and n free valencies of which are located on those carbon atoms which are a constituent of aromatic rings; R1 is hydrogen; a hydrocarbon or hydrocarbonoxy radical having 1 to 36 carbon atoms, which is unsubstituted or substituted by -CO-N(R3)2 or interrupted by -CO-N(R3)- or -N(R3)-CO- or 1 to 6 oxygen or sulfur atoms; benzoyl or naphthoyl, each of which is substituted by 1 to 3 C1-C4alkyl or C1-C4alkoxy radicals; or -CO-R2; in which R2 is C1-C18alkyl; C5-C8cycloalkyl; phenyl; naphthyl; C7-C9phenylalkyl; or C11-C14naphthylalkyl; and R3 has the same meanings as R2 or is hydrogen, are described. The compounds are suitable for stabilizing organic material against the damaginginfluence of light, oxygen and/or heat.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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