Claims
- 1. A composition of matter stabilized against ultraviolet deterioration which comprises a synthetic organic polymer normally subject to ultraviolet deterioration containing from 0.005 to 5% of a stabilizing compound of the formula ##STR7## wherein R is straight- or branched-chain alkylene having 1 to 20 carbon atoms,
- M is hydrogen or a metal selected from the group consisting of barium, nickel, manganese, calcium, zinc, iron, sodium, cobalt, tin, and dialkyl tin, and
- m has a value of from 1 to 4, the value of m being the same as the available valence of M.
- 2. A composition according to claim 1 wherein R is straight-chain alkylene having 1 to 8 carbon atoms,
- M is hydrogen or a metal selected from nickel and manganese; and
- m has a value of 1 or 2, the value of m being the same as the available valance of M.
- 3. A composition according to claim 2 wherein M is hydrogen or nickel.
- 4. A composition according to claim 2 wherein the stabilizing compound is O-mono(1,3,3-trimethyl-2-azabicyclo[2.2.2]octane-5-ol)sebacate.
- 5. A composition according to claim 2 wherein the stabilizing compound is nickel bis {o-mono(1,3,3-trimethyl-2-azabicyclo[2.2.2]octane-5-ol)sebacate].
- 6. A composition of claim 1 which contains additionally a stabilizing amount of a UV absorber.
- 7. A composition of claim 1 which contains additionally a stabilizing amount of a light stabilizer selected from the group consisting of 2(2-hydroxyphenyl) benzotriazoles, 2-hydroxybenzophenones, nickel complexes and benzoates.
- 8. A composition of claim 1 which contains additionally 0.01 to 2% of a thiosynergist having the formula ##STR8## wherein R is an alkyl group having from 6 to 24 carbon atoms and n is an integer from 1 to 6.
- 9. A composition of claim 1 which contains additionally 0.005 to 5% of a phenolic antioxidant.
- 10. A composition of claim 1 which contains additionally
- a. 0.005 to 5% of a phenolic antioxidant and
- b. a stabilizing amount of a UV absorber.
- 11. A composition of claim 1 wherein the synthetic organic polymer is a polyolefin.
- 12. A composition of claim 11 wherein the polyolefin is polypropylene.
- 13. A composition of claim 11 which contains additionally 0.005 to 5% of a phenolic antioxidant selected from the group consisting of n-octadecyl 3-(3,5-di-t-butyl-4-hydroxyphenyl) propionate, di-n-octadecyl (3,5-di-butyl-4-hydroxybenzyl) phosphonate, pentaerythritol-tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate], and tris-(3,5-di-t-butyl-4-hydroxybenzyl) isocyanurate.
- 14. A composition of claim 11 which contains additionally
- a. 0.005 to 5% of a phenolic antioxidant selected from the group consisting of n-octadecyl 3-3,5-di-t-butyl-4-hydroxyphenyl) propionate, di-n-octadecyl (3,5-di-t-butyl-4-hydroxybenzyl) phosphonate, pentaerylthritol-tetrakis[3-(3,5-t-butyl-4-hydroxyphenyl)propionate], and tris-3,5-di-t-butyl-4-hydroxybenzyl) isocyanurate, and
- b. A stabilizing amount of a UV absorber selected from the group consisting of 2(2'-hydroxy-3',5'-di-t-butylphenyl)-5-chlorobenzotriazole, 2-hydroxy-4-n-octoxybenzophenone, and 2(2'-hydroxy-5-methylphenyl)-benzotriazole.
Parent Case Info
This is a divisional of application Ser. No. 429,236 filed on Dec. 28, 1973, now U.S. Pat. No. 3,879,396.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
429236 |
Dec 1973 |
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