Epoxy resins containing bound light stabilizing groups

Claim 1

A curable composition comprising: a) one or more polyepoxides containing an average of at least 1.75 reactive 1,2-epoxy groups per molecule, with the proviso that said polyepoxides do not include glycidyl esters of acrylic or methacrylic acids; b) a hindered amine compound of formula I, formula II, or mixtures thereof ##STR12## wherein: R is hydrogen, oxyl, hydroxyl, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted araliphatic of 7-22 carbons, substituted or unsubstituted aliphatic acyl of 2-20 carbons, substituted or unsubstituted alicyclic acyl of 7-16 carbons, substituted or unsubstituted aromatic acyl of 7-11 carbons, substituted or unsubstituted araliphatic acyl of 7-22 carbons, --[C--(═O)] a --N(R 7 )(R 8 ), --[C(═O)] a --O--R 9 , --(CH 2 ) a --C(═O)--O--R 10 or --CH 2 --CH 2 --[CH 2 --CH(R 1 )--O] b --R 11 where a is 1-2 and b is 2-50, R 1 hydrogen or aliphatic of 1-4 carbons, R 2 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted aryl of 6-14 carbons, substituted or unsubstituted araliphatic of 7-22 carbons or 2-cyanoethyl and when alicyclic, R 2 may optionally contain --N(R 12 )-- as a ring member, R 3 is a direct bond, substituted or unsubstituted aliphatic diradical of 1-20 carbons, substituted or unsubstituted aryl diradical of 6-12 carbons, substituted or unsubstituted alicyclic diradical of 5-12 carbons, or substituted or unsubstituted araliphatic diradical of 7-22 carbons where these diradicals may optionally contain 1-6 oxygen, sulfur or nitrogen hereoatoms with the proviso that multiple heteroatoms must be separated from each other and the diradical ends by at least one carbon atom, R 2 and R 3 optionally may be linked together to form a 5-membered lactam ring, R 4 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted araliphatic of 7-22 carbons or substituted or unsubstituted alicyclic of 5-12 carbons, R 5 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons or substituted or unsubstituted araliphatic of 7-22 carbons, R 6 is a substituted or unsubstituted aliphatic diradical of 2-18 carbons, substituted or unsubstituted alicyclic diradical of 5-18 carbons, or substituted or unsubstituted araliphatic diradical of 7-18 carbons, the aliphatic chains of which may optionally contain heteroateoms --O--, --S-- or --N(R 12 )-- with the proviso that multiple heteroatoms must be separated from each other and the diradical ends by at least two carbon atoms, R 7 and R 8 are independently hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted aryl of 6-14 carbons, substituted or unsubstituted araliphatic of 7-22 carbons or substituted or unsubstituted alicyclic of 5-12 carbons which may optionally contain --N(R 12 )-- as a ring member and optionally R 7 and R 8 may be linked together by a direct bond or through a heteroatom --N(R 12 )-- or --O-- to form a heterocyclic ring of 5-7 atoms, R 9 is substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted aryl of 6-14 carbons or substituted or unsubstituted araliphatic of 7-22 carbons, R 10 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted aryl of 6-14 carbons or substituted or unsubstituted araliphatic of 7-22 carbons, R 11 is hydrogen or aliphatic of 1-4 carbons, R 12 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted araliphatic of 7-22 carbons, substituted or unsubstituted aliphatic acyl of 2-20 carbons, substituted or unsubstituted alicyclic acyl of 7-16 carbons, substituted or unsubstituted aryl acyl of 7-11 carbons, substituted or unsubstituted araliphatic acyl of 7-22 carbons, --[C(═O)] a --N(R 7 )(R 8 ), --[C(═0)] a --OR 9 , --(CH 2 ) a --C(═O)--OR 10 or --[CH 2 --CH(R 1 )--O] b --R 11 where a is 1-2 and b is 2-50, and substituents for R, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 12 are one or more of the following: chloro, bromo, alkyl of 2-8 carbons, alkoxy of 1- 12 carbons, phenoxy, cyano, hydroxy, epoxy, carboxy, benzoyl, benzoyloxy, dialkylamino of 2-8 carbons, alkoxycarbonyl of 2-6 carbons, acyloxy of 1-4 carbons, acryloyl, acryloyloxy, methacryloyl, methacryloyloxy, hydroxymethyl, hydroxyethyl, alkylthio of 1-4 carbons or trialkoxysilyl of 3-12 carbons; and c) a benzotriazole compound of Formula III: ##STR13## wherein R 4 and R 5 are as defined hereinabove, and R 13 is hydrogen, chlorine, bromine, substituted or unsubstituted aliphatic of 1-8 carbons, substituted or unsubstituted alkoxy of 1-8 carbons, substituted or unsubstituted alkoxycarbonyl of 2-8 carbons, alkylaminocarbonyl of 2-5 carbons, dialkylaminocarbonyl of 3-9 carbons, substituted or unsubstituted N-(alkyl)-N-(aryl)aminocarbonyl of 8-15 carbons, alkoxysulfonyl of 1-4 carbons, --C(═O)OH, --C(═O)NH 2 , --S(═O) 2 --OH or X A , R 14 is hydrogen, substituted or unsubstituted aliphatic of 1-8 carbons, substituted or unsubstituted aryl of 6-14 carbons, substituted or unsubstituted araliphatic of 7-22 carbons, substituted or unsubstituted alkoxy of 1-8 carbons, alkylaminocarbonyl of 2-5 carbons, dialkylaminocarbonyl of 3-9 carbons, or substituted or unsubstituted N-(alkyl)-N-(aryl)aminocarbonyl of 8-15 carbons or X B , X is X A when attached to ring A in Formula III, or X B when attached to ring B in Formula III, X A is a direct bond, X B is a divalent radical of formula --Z.sub.x --R.sup.15 --[N(R.sup.16)--{C(═O)}.sub.y --R.sup.17 --].sub.z, Z is --O--, --N(R 16 )--, --S-- or --S(═O) 2 --, x, y and z are independently 0 or 1, R 15 is a direct bond or substituted or unsubstituted alkylene diradical of 1-4 carbons, R 16 is hydrogen, substituted or unsubstituted aliphatic of 1-20 carbons, substituted or unsubstituted alicyclic of 5-12 carbons, substituted or unsubstituted aryl of 6-14 carbons, or substituted or unsubstituted araliphatic of 7-22 carbons, R 17 is a direct bond, substituted or unsubstituted aliphatic diradical of 1-20 carbons, substituted or unsubstituted aryl diradical of 6-12 carbons, substituted or unsubstituted alicyclic diradical of 5-12 carbons, substituted or unsubstituted araliphatic diradical of 7-22 carbons which optionally may contain 1-6 --O--, --S-- or --NH-heteroatoms with the proviso that multiple heteroatoms must be separated from each other and the diradical ends by at least one carbon atom, and substituents for R 13 , R 14 , R 15 , R 16 and R 17 , are one or more of the following: chloro, bromo, alkyl of 2-8 carbons, alkoxy of 1-12 carbons, phenoxy, cyano, hydroxy, epoxy, carboxy, benzoyl, benzoyloxy, dialkylamino of 2-8 carbons, alkoxycarbonyl of 2-6 carbons, acyloxy of 1-4 carbons, acryloyl, acryloyloxy, methacryloyl, methacryloyloxy, hydroxymethyl, hydroxyethyl, alkylthio of 1-4 carbons or trialkoxysilyl of 3-12 carbons.