Claims
- 1. A compound of the formula ##STR16## wherein R.sup.1 and R.sup.2 together with the carbon to which they are bound form a cyclopentyl or cyclohexyl ring, which is unsubstituted or substituted with a methyl group;
- n is an integer of from 1 to 2;
- when n is 1, R.sup.3 is hydrogen, alkyl of from 1 to 20 carbon atoms or benzyl;
- when n is 2, R.sup.3 is alkylene of from 1 to 20 carbon atoms.
- 2. A compound of the formula ##STR17## wherein R.sup.1 and R.sup.2 together with the carbon to which they are bound form a cyclopentyl or cyclohexyl ring, which is unsubstituted or substituted with a methyl group;
- n is an integer of from 1 to 2;
- when n is 1, R.sup.3 is hydrogen or alkyl of from 1 to 20 carbon atoms;
- when n is 2, R.sup.3 is alkylene of from 1 to 20 carbon atoms.
- 3. A compound according to claim 2 having the formula ##STR18## wherein n is an integer of from 1 to 2;
- when n is 1, R.sup.3 is hydrogen, alkyl of from 1 to 20 carbon atoms;
- when n is 2, R.sup.3 is alkylene of from 1 to 20 carbon atoms.
- 4. A compound according to claim 3 wherein
- n is 1;
- R.sup.3 is hydrogen or alkyl having from 6 to 18 carbon atoms.
- 5. A compound according to claim 3 wherein
- n is 2;
- R.sup.3 is alkylene having from 2 to 12 carbon atoms.
- 6. A compound according to claim 2 which is 7,15-diazadispirol[5,1,5,3]hexadecane.
- 7. A compound according to claim 2 which is 15-n-octadecyl-7,15-diazadispiro[5,1,5,3]hexadecane.
- 8. A compound according to claim 2 which is 15-n-octadecyl-1,9-dimethyll-7,15-diazadispiro[5,1,5,3] hexadecane.
- 9. A compound according to claim 1 which is 15-benzyl-7,15-diazadispiro[5,1,5,3]hexadecane.
- 10. A compound according to claim 2 which is 15,15'-dodecamethylene bis(7,15-diazadispiro[5,1,5,3] hexadecane).
- 11. A compound according to claim 2 which is 15,15'-octamethylene bis(7,15-diazadispiro[5,1,5,3] hexadecane).
- 12. A compound according to claim 2 which is 15,15':tetramethylene bis(7,15-diazadispiro[5,1,5,3] hexadecane).
- 13. A compound according to claim 2 which is 15-methyl-7,15-diazadispiro[5,1,5,3]hexadecane.
- 14. A compound according to claim 2 which is 15-n-octyl-7,15-diazadispiro[5,1,5,3]hexadecane.
- 15. A composition of matter stabilized against ultraviolet deterioration consisting essentially of a synthetic organic polymer normally subject to ultraviolet deterioration containing from 0.0l to 2% by weight of the polymer of a stabilizing compound according to claim 1.
- 16. A composition of matter stabilized against ultraviolet deterioration consisting essentially of a synthetic organic polymer normally subject to ultraviolet deterioration containing a stabilizing amount of a hindered phenolic compound and from about 0.0l to 2% by weight of the polymer of a compound according to claim 1.
- 17. A composition of claim 16 wherein the polymer is a polyolefin.
- 18. A composition of claim 17 wherein the polyolefin is polypropylene.
- 19. A composition of claim 17 wherein the hindered phenolic compound is selected from n-octadecyl 3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate, di-n-octadecyl(3,5-di-t-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.
- 20. A composition of claim 17 wherein the antixodiant is di-n-octadecyl(3,5-di-t-butyl-4-hydroxybenzyl)phosphonate.
- 21. A composition of claim 17 wherein the substituted piperazine stabilizing compound is 15,15'-dodecamethylene bis(7,15-diazadispiro[5.1.5.3]hexadecane).
- 22. A composition of claim 17 wherein the substituted piperazine stabilizing compound is 15,15'-octamethylene bis(7,15-diazadispiro[5.1.5.3]hexadecane).
- 23. A composition of claim 17 wherein the substituted piperazine stabilizing compound is 15,15'-tetramethylene bis(7,15-diazadispiro[5.1.5.3]hexadecane).
RELATED APPLICATIONS
This application is a continuation of application Ser. No. 378,368, filed July 11, 1973, now abandoned, which is a continuation-in-part of application Ser. No. 239,350, filed Mar. 29, 1972, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3318876 |
Cignarella et al. |
May 1967 |
|
3920659 |
Ramey et al. |
Nov 1975 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
378368 |
Jul 1973 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
239350 |
Mar 1972 |
|