Claims
- 1. A composition of matter comprising an organic polymer, oil, fat or wax subject to oxidative, thermal and actinic degradation stabilized with an effective stabilizing amount of a compound of the formula ##STR7## wherein R' is alkyl of 1 to 5 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, phenyl, phenyl substituted by alkyl of 1 to 18 carbon atoms, aralkyl of 7 to 9 carbon atoms or said aralkyl substituted by alkyl of 1 to 18 carbon atoms;
- R.sup.2 is alkyl of 1 to 18 carbon atoms, cycloalkyl of 5 to 6 carbon atoms, phenyl, phenyl substituted by alkyl of 1 to 18 carbon atoms, aralkyl of 7 to 9 carbon atoms or said aralkyl substituted by alkyl of 1 to 18 carbon atoms;
- R.sup.3, R.sup.4 and R.sup.5 independently are hydrogen or R.sup.2 ;
- R.sup.4 and R.sup.5 together with the ring carbon atoms may also form a cycloalkyl ring of 5 to 6 carbon atoms,
- n is 1-5;
- A is hydrogen, a direct bond, dan n-valent aliphatic hydrocarbon of 1 to 18 carbon atoms, an n-valent aromatic or aromatic aliphatic hydrocarbon of 6 to 20 carbon atoms, a group of the formula ##STR8## --SR.sup.9, --OR.sup.10 or --NR.sup.11 R.sup.12, or --S--, ##STR9## or --O-- when n=2, wherein
- R.sup.6 and R.sup.7 are independently a sustituent defined under R.sup.3,
- R.sup.8 is R.sup.3, an n-valent aliphatic hydrocarbon of 1 to 10 carbon atoms or an n-valent aromatic or aromatic aliphatic hydrocarbon of 6 to 10 carbon atoms,
- R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are independently a substituent defined under R.sup.2, and
- x and y are independently 0, 1 or 2.
- 2. The composition of claim 1, wherein the organic material is a synthetic polymer.
- 3. The composition of claim 2, wherein the synthetic polymer is a polyolefin homopolymer or copolymer.
- 4. The composition of claim 3, which also contains a metal salt of a higher fatty acid.
- 5. The composition of claim 1 which also contains a phenolic antioxidant.
- 6. The composition of claim 4 which also contains a phenolic antioxidant.
- 7. The composition of claim 5, wherein said phenolic antioxidant is selected from the group consisting of n-octadecyl, 3,5-di-tert-butyl-4-hydroxyhydrocinnamate, neopentanetetrayltetrakis-(3,5-di-tert-butyl-4-hydroxylhydrocinnamate), di-n-octadecyl 3,5-di-tert-butyl-4-hydroxy-benzyl-phosphonate, 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, thiodiethylene bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate), 1,3,5-tri-methyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxy-benzyl)benzene, 3,6-di-oxaocta-methylene bis(3-methyl-5-tert-butyl-4-hydroxyhydro-cinnamate), 2,6-di-tert-butyl-p-cresol, 2,2'-ethylidene-bis(4,6-di-tert-butylphenol), 1,3,5-tris(2,6-di-methyl-4-tert-butyl-3-hydroxybenzyl)isocyanurate, 1,1,3-tris-(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, 1,3,5-tris-[2-(3,5-di-tert-butyl-4-hydroxyhydro-cinnamoyl-oxy)-ethyl]-isocyanurate, 3,5-di-(3,5-di-tert-butyl-4-hydroxybenzyl)-mesitol, hexamethylene bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate), 1-(3,5-di-tert-butyl-4-hydroxyaniline)-3,5-di(octylthio)-s-triazine, N,N'-hexamethylene-bis(3,5-di-tert-4-hydroxyhydrocinnamamide), calcium bis(ethyl-3,5-di-tert-butyl-4-hydroxybenzylphosphonate), ethylene bis[3,3-di(3-tert-butyl-4-hydroxyphenyl)butyrate], octyl 3,5-di-tert-butyl-4-hydroxybenzylmercaptoacetate, bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)hydrazide, and N,N'-bis[2-(3,5-tert-butyl-4-hydroxyhydroxo-cinnamoyloxy)ethyl]-oxamide.
- 8. The composition of claim 7, wherein said phenolic antioxidant is neopentanetetrayl tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate), n-octadecyl 3,5-di-tert-butyl-4-hydroxyhydrocinnamate, 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hyroxybenzyl)benzene, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 2,6-di-tert-butyl-p-cresol or 2,2'-ethylidene-bis-(4,6-di-tert-butylphenol).
- 9. A method for stabilizing an organic material against oxidative, thermal and actinic degradation which comprises incorporating into said organic material an effective stabilizing amount of a compound of claim 1.
- 10. The composition of claim 1, wherein n=1.
- 11. The composition of claim 10, wherein A is C.sub.1 -C.sub.20 alkyl, C.sub.5 -C.sub.6 cycloalkyl, phenyl, phenyl substituted by C.sub.1 -C.sub.4 alkyl and/or hydroxy, C.sub.7 -C.sub.10 aralkyl or C.sub.7 -C.sub.10 aralkyl substituted by C.sub.1 -C.sub.4 alkyl and/or hydroxy.
- 12. The composition of claim 1, wherein n=2.
- 13. The composition of claim 12, wherein A is a direct bond, C.sub.2 -C.sub.10 alkylene, C.sub.2 -C.sub.6 alkylidene, cyclohexylene, C.sub.6 -C.sub.10 arylene, C.sub.6 -C.sub.10 arylene substituted by C.sub.1 -C.sub.4 alkyl or polymethylene- propane-1,3-diyl.
- 14. The composition of claim 1, wherein R' is methyl and R.sup.2 is C.sub.1 -C.sub.4 alkyl.
- 15. The composition of claim 11, wherein R.sup.3 and A are alkyl and R.sup.3 and A are attached to the 6- and 4-positions, respectively, of the phenyl ring.
- 16. The composition of claim 13, wherein A is C.sub.2 -C.sub.3 alkylidene or a direct bond.
RELATED APPLICATION
This is a Divisonal of applicaton Ser. No. 009,430 filed on Feb. 2, 1987, now U.S. Pat. No. 4,751,319 which is a continuation-in-part of application Ser. No. 855,059, filed Apr. 23, 1986, now abandoned.
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Divisions (1)
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Continuation in Parts (1)
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