Claims
- 1. A polyperoxide comprising,
- .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of less than about 32% and greater than 0% para isomer and greater than 68% and less than about 100% meta isomer, wherein the blend exhibits a Clear Point below 53.degree. C.
- 2. The polyperoxide of claim 1, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of less than about 30% and greater than about 0% para isomer and greater than about 70% and less than about 100% meta isomer.
- 3. The polyperoxide of claim 2, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of about 22% para isomer and about 78% meta isomer.
- 4. The polyperoxide of claim 1, wherein the blend exhibits a Clear Point below about 45.degree. C.
- 5. The polyperoxide of claim 4, wherein the blend exhibits a Clear Point about 44.degree. C.
- 6. A process for producing a polyperoxide comprising the steps of:
- blending para and meta isomers of di-isopropyl benzene to obtain a blend of less than about 32% and greater than 0% para isomer and greater than 68% and less than about 100% meta isomer,
- oxidizing the blend to form the corresponding diol, and reacting the diol with t-butyl hydroperoxide to form the polyperoxide isomer, wherein the blend exhibits a Clear Point below 53.degree. C.
- 7. A process for producing a polyperoxide comprising the steps of:
- blending para and meta isomers of di-isopropyl benzene diol to obtain a blend of less than about 32% and greater than 0% para isomer and
- greater than 68% and less than about 100% meta isomer, and reacting the diol with t-butyl hydroperoxide to form the polyperoxide, wherein the blend exhibits a Clear Point below 53.degree. C.
- 8. A process for producing a polyperoxide comprising the steps of:
- obtaining para and meta isomers of .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene, and
- blending the isomers to obtain a blend of less than about 32% and greater than 0% para isomer and greater than 68% and less than about 100% meta isomer, wherein the blend exhibits a Clear Point below 53.degree. C.
- 9. A polyperoxide comprising,
- .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend having a ratio of meta to para isomers greater than 2/1 and less than 10/1, wherein the blend exhibits a Clear Point below 53.degree. C.
- 10. The polyperoxide of claim 9, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend having a ratio of meta to para isomers between about 2.3/1 and about 8/1.
- 11. The polyperoxide of claim 10, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend having a ratio of meta to para isomers of about 3.5/1.
- 12. A peroxide blend comprising,
- (a) 5% to about 95% by weight tertiary alkyl cumyl peroxide, and
- (b) 95% to about 5% by weight a polyperoxide comprising .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of less than about 32% and greater than 0% para isomer and greater than 68% and less than about 100% meta isomer, wherein the blend exhibits a Clear Point below 53.degree. C.
- 13. The peroxide blend of claim 12, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of less than about 30% and greater than about 0% para isomer and greater than about 70% and less than about 100% meta isomer.
- 14. The peroxide blend of claim 13, wherein the .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene comprises a blend of about 22% para isomer and about 78% meta isomer.
- 15. The peroxide blend of claim 13, wherein the blend exhibits a Clear Point below about 45.degree. C.
- 16. The peroxide blend of claim 14, wherein the blend exhibits a Clear Point about 44.degree. C.
- 17. The peroxide blend of claim 12, wherein the blend comprises (a) 50% to about 95% by weight tertiary alkyl cumyl peroxide, and (b) 50% to about 5% by weight by weight a polyperoxide comprising .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene.
- 18. The peroxide blend of claim 17, wherein the blend comprises (a) 10% to about 30% by weight tertiary alkyl cumyl peroxide, and (b) 90% to about 70% by weight a polyperoxide comprising .alpha., .alpha.'-bis(t-butylperoxy) diisopropylbenzene.
- 19. The peroxide blend of claim 12, wherein the tertiary alkyl cumyl peroxide has the formula: ##STR3## where R may be either hydrogen, or an alkyl group from C1 to C5.
- 20. The peroxide blend of claim 19, wherein the tertiary alkyl cumyl peroxide is selected from the group consisting of t-butyl cumyl peroxide and t-amyl cumyl peroxide.
- 21. The peroxide blend of claim 20, wherein the tertiary alkyl cumyl peroxide comprises-t-butyl cumyl peroxide.
Parent Case Info
This application claims benefit of provisional application Ser. No. 60/021,630 filed Jul. 12, 1996, and claims benefit of provisional applicant Ser. No. 60/032,345 filed Dec. 4, 1996.
US Referenced Citations (6)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0101175A |
Feb 1984 |
EPX |
2053234 |
Feb 1981 |
GBX |