C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 409/38 (2006.01) C07C 407/00 (2006.01) C07C 409/00 (2006.01) C07C 409/34 (2006.01)
Patent
CA 2206279
Organic peroxide compositions which contain a .beta.- dicarbonyl compound or a cyclic a-diketone compound as stabilizer to retard the rate of decomposition of the peroxide compound are disclosed. The stabilizer selected from the formulas (I), (II), (III), (IV) Image R5-C (O) -CHR6-C (O) -R7 (III) Image and mixtures thereof, wherein m is 1-5, n is 1-6, i is 0-1, x is 0-2n, y is 0-2m, R1 is alkyl containing 1 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, and hydroxy, and R1 can be hydrogen where i is zero, R2 is alkyl containing 1 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, and hydroxy, and when x is greater than 1, each occurrence of R2 can be the same or different and can be on the same or different ring carbon atoms, R3 is hydrogen, alkyl containing 1 to 22 carbon atoms, acyl containing 2 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, and hydroxy; R4 is alkyl containing 1 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, and hydroxy; and when y is greater than 1, each occurrence of R4 can be the same or different and can be on the same or different ring carbon atoms; R5 is hydrogen, alkyl containing 1 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, or hydroxy; R6 is hydrogen or alkyl containing 1 to 22 carbon atoms, phenyl, or phenyl substituted with one or more of alkyl containing 1 to 22 carbon atoms, halogen, or hydroxy; or R6 can be -C (O) OR8 or -C (O) R8 wherein R8 is alkyl containing 1 to 22 carbon atoms; and R7 is phenyl or alkyl containing 1 to 22 carbon atoms.
Abma Charles
Andrews Anthony
Bock Lawrence
Frenkel Peter
Wells Michael
Mcfadden Fincham
Witco Corporation
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