Claims
- 1. A polymer which has a mean molecular weight of not less than 1000 and which contains, in side chains, thioxanthone groupings of the formula I' ##STR63## in which n is the number 1 or 2, X is hydrogen, halogen, --CN, --OH, --SH, --NH.sub.2, --NO.sub.2, phenylsulfonyl or alkylsulfonyl, alkyl, alkoxy, alkylthio, N,N-dialkylamino or --CO-alkyl having, in each case, 1-4C atoms in the alkyl moieties, Z is hydrogen, halogen, --OH, --SH or alkyl, alkoxy, alkylthio or N,N-dialkylamino having, in each case, 1-4C atoms in the alkyl moieties, Y is --OR.sub.1 --, --SR.sub.1 -- or --N(R.sub.2)R.sub.1 --, R.sub.1 is straight-chain or branched alkylene having a total of 2-23C atoms and 2-13C atoms in the main chain, cyclopentylene, cyclohexylene, phenylene ##STR64## or --(CH.sub.2 CH.sub.2 O).sub.x --CH.sub.2 CH.sub.2 --, R.sub.2 is hydrogen or straight-chain or branched alkyl having a total of 1-23C atoms and 1-13C atoms in the main chain, G is --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --C(CH.sub.3).sub.2 --, --O--, --SO.sub.2 -- or --NH-- and x is an integer from 1 to 5, the proportion of groupings of the formula I' being not less than 2 percent, based on the number of recurring structural elements in the polymer.
- 2. A polymer according to claim 1, in which the proportion of groupings of the formula I' is 2-100 and preferably 20-100 percent, based on the number of recurring structural elements in the polymer.
- 3. A polymer according to claim 1, which has a mean molecular weight of about 1,000 to 100,000 and contains recurring structural elements of the formulae XI to XX ##STR65## in which "Th" is a radical of the formula I" ##STR66## and "Th.sub.1 " is a radical of the formula I'" ##STR67## X, Y, Z and n are as defined under formula I', X' is hydrogen, halogen, --CN, --NO.sub.2, phenylsulfonyl or alkylsulfonyl, alkyl, alkoxy, alkylthio, N,N-dialkylamino or --CO-alkyl having, in each case, 1-4C atoms in the alkyl moieties, Z.sub.1 is hydrogen, halogen or alkyl, alkoxy, alkylthio or N,N-dialkylamino having, in each case, 1-4C atoms in the alkyl moieties, Q.sub.1 is --O--, --S-- or --NH--, Q.sub.2 is --O--, --S--, --NH-- or --NR'--, Q.sub.3 is --OCO--, --O--, --S--, --NH-- or --NR'--, R' is alkyl having 1-5C atoms, R" is hydrogen or methyl, p is the number 1 or 2, Y.sub.1 is --OR.sub.1 --, --SR.sub.1-- or --NH--R.sub.1 -- and R.sub.1 is straight-chain or branched alkylene having a total of 2-23C atoms and 2-13C atoms in the main chain, or phenylene.
- 4. A polymer according to claim 3, which consists of recurring structural elements of the formulae XI to XX and of identical or different recurring structural elements of the formula XXI ##STR68## in which X.sub.5 is hydrogen, X.sub.4 is hydrogen, chlorine or methyl and X.sub.6 is hydrogen, methyl, chlorine, CN, --COOH, --CONH.sub.2, phenyl, methylphenyl, methoxyphenyl, cyclohexyl, pyridyl, imidazolyl, pyrrolidyl, --COO-alkyl having 1-12C atoms in the alkyl moiety, --COO-phenyl, ##STR69## --COO-alkyl-OH having 1-3C atoms in the alkyl moiety, --OCO-alkyl having 1-4C atoms in the alkyl moiety, --OCO-phenyl, --CO-alkyl having 1-3C atoms in the alkyl, alkoxy having 1-20C atoms or phenoxy, or X.sub.4 is hydrogen and X.sub.5 and X.sub.6 together are the grouping --CO--O--CO--, or are each --COOH or --COO-alkyl having 1-6C atoms in the alkyl.
- 5. A polymer according to claim 3 or 4, which contains recurring structural elements of the formulae XI, XIII to XV or XVII to XX and in particular recurring structural elements of the formulae XI, XIV or XVII, and also, if desired, identical or different recurring structural elements of the formula XXI, in which formulae R" is hydrogen or methyl, Q.sub.1 is --O--, Q.sub.2 and Q.sub.3 independently of one another are --O-- or --NH--, p is the number 1, n is the number 1 or 2, Y is --OR.sub.1 -- or --NHR.sub.1 --, R.sub.1 is alkylene having 2-6C atoms or, if Q.sub.2 is --O--, also --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 -- or ##STR70## X and X' are hydrogen, Z and Z.sub.1 are hydrogen or methyl or methoxy bonded in the 7-position, X.sub.5 is hydrogen, X.sub.4 is hydrogen or methyl and X.sub.6 is hydrogen, --OCOCH.sub.3, --COOH or --COO-alkyl having 1-8C atoms in the alkyl, or X.sub.4 and X.sub.5 are each hydrogen and X.sub.6 is --CN, chlorine, phenyl or alkoxy having 1-6C atoms or, if X.sub.4 is hydrogen, X.sub.5 and X.sub.6 together are also --CO--O--CO--, and the groupings ##STR71## are bonded in the 1-position or 3-position to the benzene ring of the radical "Th" or "Th.sub.1 ".
Priority Claims (1)
Number |
Date |
Country |
Kind |
917/80 |
Feb 1980 |
CHX |
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Parent Case Info
This application is a continuation of Ser. No. 373,572, filed Apr. 30, 1982, now abandoned; which is a divisional of Ser. No. 228,533, filed Jan. 26, 1981, now U.S. Pat. No. 4,348,530; which claims priority under 35 USC 119 of Swiss application No. 917/80-3, filed Feb. 5, 1980.
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Number |
Name |
Date |
Kind |
3856789 |
Fleming et al. |
Dec 1974 |
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3904647 |
Pfister et al. |
Sep 1975 |
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4367324 |
Zweifel |
Jan 1983 |
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2811755 |
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1458185 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
228533 |
Jan 1981 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
373572 |
Apr 1982 |
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