Patent ID: 6310220
Filing Date: 2001-10-30
Classification: C08K

Abstract:
A composition, which comprisesa) a transparent, solid and vitreous moulded article which is transparent at a wavelength of 350 to 700 nm and composed of a polycarbonate, polyester or polyketone or a mixture thereof which is subject to oxidative, thermal and/or light-induced degradation, andb) at least one benzofuran-2-one compound of formula I ##STR57##wherein,if n=1,R.sub.1 is naphthyl, phenanthryl, anthryl, 5,6,7,8-tetrahydro-2-naphthyl, 5,6,7,8-tetrahydro-1-naphthyl, thienyl, benzo[b]thienyl, naphtho[2,3-b]thienyl, thianthrenyl, dibenzofuryl, chromenyl, xanthenyl, phenoxathiinyl, pyrrolyl, imidazolyl, pyrazolyl, pyrazinyl, pyrimidinyl, pyridazinyl, indolizinyl, isoindolyl, indolyl, indazolyl, purinyl, quinolizinyl, isoquinolyl, quinolyl, phthalazinyl, naphthyridinyl, quinoxalinyl, quinazolinyl, cinnolinyl, pteridinyl, carbazolyl, .beta.-carbolinyl, phenanthridinyl, acridinyl, perimidinyl, phenanthrolinyl, phenazinyl, isothiazolyl, phenothiazinyl, isoxazolyl, furazanyl, biphenyl, terphenyl, fluorenyl or phenoxazinyl, each of which is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, hydroxy, halogen, amino, C.sub.1 -C.sub.4 alkylamino, phenylamino or di(C.sub.1 -C.sub.4 -alkyl)amino, or R.sub.1 is a radical of formula II ##STR58##and,if n=2,R.sub.1 is unsubstituted or C.sub.1 -C.sub.4 alkyl- or hydroxy-substituted phenylene or naphthylene; or --R.sub.12 --X--R.sub.13 --, R.sub.2 R.sub.3, R.sub.4 and R.sub.5 are each independently of one another hydrogen, chloro, hydroxy, C.sub.1 -C.sub.25 -alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl; unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.1 -C.sub.18 alkoxy, C.sub.1 -C.sub.18 alkylthio, C.sub.1 -C.sub.4 alkylamino, di(C.sub.1 -C.sub.4 -alkyl)amino, C.sub.1 -C.sub.25 alkanoyloxy, C.sub.1 -C.sub.25 alkanoylamino, C.sub.3 -C.sub.25 alkenoyloxy; C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or ##STR59##C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyloxy or C.sub.1 -C.sub.12 alkyl-subsbtuted benzoyloxy; or R.sub.2 and R.sub.3, or R.sub.3 and R.sub.4, or R.sub.4 and R.sub.5, together with the linking carbon atoms, form a benzene ring, R.sub.4 is additional --(CH.sub.2).sub.p --COR.sub.15 or --(CH.sub.2).sub.q OH or, if R.sub.3, R.sub.5 and R.sub.6 are hydrogen, R.sub.4 is additionally a radical of formula III ##STR60##whereinR.sub.1 is as defined above for n=1,R.sub.6 is hydrogen or a radical of formula IV ##STR61##whereinR.sub.4 is not a radical of formula III, and R.sub.1 is as defined above for n=1,R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.11 are each independently of one another hydrogen, halogen, hydroxy, C.sub.1 -C.sub.25 alkyl; C.sub.2 -C.sub.25 alkyl which is interrupted by oxygen, sulfur or ##STR62##C.sub.1 -C.sub.25 alkoxy; C.sub.2 -C.sub.25 alkoxy which is interrupted by oxygen, sulfur or ##STR63##C.sub.1 -C.sub.25 alkylthio, C.sub.3 -C.sub.25 -alkenyl, C.sub.3 -C.sub.25 alkenyloxy, C.sub.3 -C.sub.25 alkynyl, C.sub.3 -C.sub.25 alkynyloxy, C.sub.7 -C.sub.9 phenylalkyl, C.sub.7 -C.sub.9 phenylalkoxy, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl; unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenoxy; unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl; unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkoxy; C.sub.1 -C.sub.4 alkylamino, di(C.sub.1 -C.sub.4 alkyl)amino, C.sub.1 -C.sub.25 alkanoyl; C.sub.3 -C.sub.25 alkanoyl which is interrupted by oxygen, sulfur or ##STR64##C.sub.1 -C.sub.25 alkanoyloxy; C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or ##STR65##C.sub.1 -C.sub.25 alkanoylamino, C.sub.3 -C.sub.25 alkenoyl; C.sub.3 -C.sub.25 alkenoyl which is interrupted by oxygen, sulfur or ##STR66##C.sub.3 -C.sub.25 alkenoyloxy; C.sub.3 -C.sub.25 alkenoyloxy which is interrupted by oxygen, sulfur or ##STR67##C.sub.6 -C.sub.9 cycloalkylcarbonyl, C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyl or C.sub.1 -C.sub.12 alkyl-substituted benzoyl; benzoyloxy or C.sub.1 -C.sub.12 alkyl-substituted benzoyloxy; ##STR68##or in formula II,R.sub.7, and R.sub.8, or R.sub.8 and R.sub.11, together with the linking carbon atoms, form a benzene ring,R.sub.12 and R.sub.13 are each independently of the other unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenylene or naphthylene,R.sub.14 is hydrogen or C.sub.1 -C.sub.8 alkyl,R.sub.15 is hydroxy, ##STR69##C.sub.1 -C.sub.18 alkoxy or ##STR70##R.sub.16 and R.sub.17 are each independently of the other hydrogen, CF.sub.3, C.sub.1 -C.sub.12 alkyl or phenyl, or R.sub.16 and R.sub.17, together with the linking carbon atom, are a C.sub.5 -C.sub.8 cycloalkylidene ring which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl;R.sub.18 and R.sub.19 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl,R.sub.20 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.21 is hydrogen, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl; C.sub.1 -C.sub.25 alkyl; C.sub.2 -C.sub.25 alkyl which is interrupted by oxygen, sulfur or ##STR71##C.sub.7 -C.sub.9 phenylalkyl which is unsubstituted or substituted at the phenyl moiety by 1 to 3 C.sub.1 -C.sub.4 alkyl; C.sub.7 -C.sub.25 phenylalkyl which is interrupted by oxygen, sulfur or ##STR72##and which is unsubstituted or substituted at the phenyl moiety by 1 to 3 C.sub.1 -C.sub.4 alkyl or, R.sub.20 and R.sub.21, together with the linking carbon atoms, form a C.sub.5 -C.sub.12 cycloalkylene ring which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl;R.sub.22 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sub.23 is hydrogen, C.sub.1 -C.sub.25 alkanoyl, C.sub.3 -C.sub.25 alkenoyl; C.sub.3 -C.sub.25 alkanoyl which is interrupted by oxygen, sulfur or ##STR73##C.sub.2 -C.sub.25 alkanoyl which is substituted by a di(C.sub.1 -C.sub.6 alkyl)phosphonate group; C.sub.6 -C.sub.9 cycloalkylcarbonyl, thienoyl, furoyl, benzoyl or C.sub.1 -C.sub.12 alkyl-substituted benzoyl; ##STR74##R.sub.24 and R.sub.25 are each independently of the other hydrogen or C.sub.1 -C.sub.18 alkyl,R.sub.26 is hydrogen or C.sub.1 -C.sub.8 alkyl,R.sub.27 is a direct bond, C.sub.1 -C.sub.18 alkylene; C.sub.2 -C.sub.18 alkylene which is interrupted by oxygen, sulfur or ##STR75##C.sub.2 -C.sub.18 alkenylene, C.sub.2 -C.sub.20 alkylidene, C.sub.7 -C.sub.20 phenylalkylidene, C.sub.5 -C.sub.8 cyclo alkylene, C.sub.7 -C.sub.8 bicycloalkylene, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenylene, ##STR76##or ##STR77##R.sub.28 is hydroxy ##STR78##C.sub.1 -C.sub.18 alkyloxy or ##STR79##R.sub.29 is oxygen, --NH-- or ##STR80##R.sub.30 is C.sub.1 -C.sub.18 alkyl or phenyl,R.sub.31 is hydrogen or C.sub.1 -C.sub.18 alkyl,M is an r-valent metal cation,X is a direct bond, oxygen, sulfur or --NR.sub.31 --,n is 1 or 2,p is 0, 1 or 2,q is 1, 2, 3, 4, 5 or 6,r is 1, 2 or 3, ands is 0, 1 or 2.