Peroxide free radical initiators containing hindered amine light stabilizer groups

Claim 1

A peroxide initiator containing hindered amine light stabilizer group(s) having the formula: wherein: p is 1 or 2, n and m are independently selected from 0 and 1 with the proviso that when m is 0 then n is 0, R¹ is selected from hydrogen, alkyl of 1 to 8 carbons, alkenyl of 2 to 8 carbons, alkynyl of 2 to 8 carbons, cycloalkyl of 5 to 6 carbons in the ring, aralkyl of 7 to 15 carbons, R² and R³ may be the same or different, and are independently selected from alkyl of 1 to 12 carbons, aryl of 6 to 10 carbons, aralkyl of 7 to 15 carbons and R² and R³ can be taken together with the carbon to which they are attached forming a saturated alicyclic group of 4 to 10 carbons, optionally containing oxygen or nitrogen in the ring, R⁴ and R⁵ may be the same or different and are independently selected from hydrogen, alkyl of 1 to 8 carbons, aryl of 6 to 10 carbons, aralkyl of 7 to 15 carbons, R⁶ is selected from hydrogen, alkyl of 1 to 8 carbons, alkenyl of 2 to 8 carbons, alkynyl of 2 to 8 carbons, cycloalkyl of 5 to 6 carbons, alkoxy of 1 to 8 carbons, alkoxycarbonyl of 2 to 7 carbons, aryl of 6 to 10 carbons, aralkyl of 7 to 15 carbons, acyl of 1 to 8 carbons, aroyl of 7 to 16 carbons, alkylsulfonyl of 1 to 8 carbons, arylsulfonyl of 6 to 10 carbons, acyloxy of 1 to 7 carbons, and aroyloxy of 6 to 10 carbons, and R⁶ may be joined to R⁷ forming a cyclic structure of 5 to 7 atoms X is selected from -O-, -S-, -N(R⁹)-, -C(=O)-, -S(=O)-, -S(=O)₂-, -O-C(=O)-, -O-S(=O)-, -O-S(=O)₂-, -N(R⁹)-C(=O)-, -NH-C(=O)-NH-, -O-C(=O)-O-, R⁷ is a diradical selected from alkylene of 1 to 20 carbons, arylene of 6 to 10 carbons, cycloalkylene of 3 to 10 carbons, aralkylene of 7 to 20 carbons, alkynylene of 2 to 10 carbons, alkadiynylene of 4 to 10 carbons, alkenylene of 3 to 11 carbons, alkadienylene of 5 to 11 carbons, optionally containing oxygen, sulfur, or nitrogen atoms in the diradical chain. Y is selected from -C(=O)-, -S(=O)₂-, -C(R¹⁰)(R¹¹)-, -O-C(=O)-(R⁸), -N(R⁹)-C(=O)-(R⁸), -O-C(=O)-C(=O)-, When p is 1, R⁸ is selected from hydrogen, acyl of 2 to 20 carbons, aroyl of 7 to 20 carbons, t-alkyl of 4 to 12 carbons, t-cycloalkyl of 4 to 12 carbons, t-aralkyl of 9 to 15 carbons, alkoxycarbonyl of 2 to 20 carbons, carbamoyl, phenylcarbamoyl, alkylcarbamoyl of 2 to 13 carbons, cycloalkylcarbamoyl of 4 to 13 carbons, alpha-hydroxyalkyl of 2 to 10 carbons, alpha-hydroxycycloalkyl of 3 to 10 carbons, alkylsulfonyl of 4 to 20 carbons, cycloalkylsulfonyl of 3 to 12 carbons, t-(alkoxyalkyl) of 4 to 20 carbons, t-(alkoxycycloalkyl) of 4 to 20 carbons, monovalent organomineral, or when p is 2, R⁸ is a diradical selected from di-tertiary alkylene of 7 to 15 carbons, di-tertiary alkenylene of 8 to 16 carbons, di-tertiary alkynylene of 8 to 16 carbons, di-tertiary aralkylene of 12 to 20 carbons, alkanedioyl of 3 to 12 carbons, aryldicarbonyl of 8 to 16 carbons, or aralkyldicarbonyl of 9 to 18 carbons, R⁹ is selected from hydrogen, alkyl of 1 to 8 carbons, alkenyl of 2 to 8 carbons, alkynyl of 2 to 8 carbons, cycloalkyl of 5 to 6 carbons in the ring, aryl of 6 to 10 carbons, acyl of 1 to 8 carbons and R⁹ may be joined to R⁷ forming a cyclic structure of 5 to 7 atoms, R¹⁰ is selected from alkyl of 1 to 10 carbons, aryl of 6 to 10 carbons, alkynyl of 2 to 10 carbons, alkenyl of 2 to 8 carbons, cycloalkyl of 5 to 6 carbons in the ring, R¹¹ is selected from the definition of R¹⁰ and R¹⁰ and R¹¹ can be connected to each other by means of an alkylene diradical bridge containing 4 to 9 carbons and when R⁸ is t-alkyl, t-cycloalkyl, or t-aralkyl, R¹¹ may be -OO-R⁸, substituents for R¹, R², R³, R⁴, R⁵, R⁶, R⁷, R⁸, R9, R¹⁰, and R¹¹ include halogen, alkyl of 1 to 4 carbons, alkoxy of 1 to 4 carbons, -C=N, -OH, epoxy, carboxy, alkyoxycarbonyl of 2 to 6 carbons, acyloxy of 1 to 4 carbons, hydroxymethyl, hydroxyethyl, and alkylmercapto of 1 to 4 carbons.