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US 5,670,603 AGranted
Polymers exhibiting nonlinear optical properties
AssigneeAlliedSignal Inc.
InventorsChengjiu Wu, Jianhui Shan, Ajay Nahata
Life of this patent
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Abstract
This invention relates to polymers having non-linear optical properties which polymers include fluorene moieties having at least one electron accepting group and at least one electon donating group substituted to different phenyl rings of the fluorene moiety.
Claims22
A polymer comprising recurring units of the formula:
- ##STR23## wherein:
- A is an electron withdrawing substituent selected from the group consisting of --NO.sub.2, CO.sub.2 R.sup.12, --SO.sub.2 R.sup.12, --CN, --C(O)R.sup.12, --C(CN).dbd.C(CN).sub.2, --CH.dbd.C(CN).sub.2 and perfluoroalkyl, where R.sup.12 is hydrogen, deuterium, alkyl, or perfluoroalkyl;
- D is an electron donating substituent selected from the group consisting of
- --NR.sup.13 R.sup.14, --OR.sup.13, --SR.sup.13 and ##STR24## wherein R.sup.13 and R.sup.14 are the same or different and are hydrogen, deuterium, alkyl or aryl;
- R.sup.1 and R.sup.2 are the same or different and are divalent conjugated organic or inorganic moiety;
- m, n and p are the same or different at each occurrence and are integers from 1 to 3 wherein the sum of p and n, as well as the sum of p and m, is equal to 4;
- k and o are the same or different at each occurrence and are integers from 1 to 4 wherein the sum of k and o is equal to 5;
- l and j are the same or different and are 0 or an integer from 1 to 5 wherein the sum of i and j is equal to 5;
- R.sup.3 is the same or different at each occurrence and is a monovalent moiety;
- x and y are the same or different and are 0 or an integer from 1 to about 10;
- Z is the same or different at each occurrence and is a moiety of the formula:
- --OR.sup.4 or --O--;
- Q and T are the same or different and are selected from the group consisting of divalent moieties of the formula:
- --O--, --OC(O)--, --C(O)O--, --C(O)--, --SiR.sup.5 R.sup.6 --, --NR.sup.5 R.sup.6 --, --S--, --NR.sup.5 C(O)--, --C(O)NR.sup.5 --, --N.dbd.N--, --CH.dbd.N--, --SO--, --SO.sub.2 --, --N(R.sup.5)C(O)N(R.sup.5)--, --OCH.sub.2 CH(OH)CH.sub.2 --, --CH.sub.2 CH(OH)CH.sub.2 O--, ##STR25## --OC(O)N(R.sup.5)--, --N(R.sup.5)C(O)O--, --N(R.sup.5)CH.sub.2 CH(OH)CH.sub.2 O--, --OCH.sub.2 CH(OH)CH.sub.2 (R.sup.5)--, --OC(O)O-- wherein V is --O--, --OC(O)--, --(O)CO--, --C(O)--, CR.sup.5 R.sup.6, --SiR.sup.5 R--, --NR.sup.5 --, --S--, --NR.sup.5 C(O)--, --SO-- or --SO.sub.2 --;
- R.sup.4 is a divalent hydrocarbon radical;
- R.sup.5 and R.sup.6 are monovalent moieties and are the same or different at each occurrence.
13 more elements
A polyester comprising recurring units of the formula:
- ##STR41## wherein:
- A is an electron withdrawing substituent selected from the group consisting of --NO.sub.2, --CO.sub.2 R.sup.12, --SO.sub.2 R.sup.12, --CN, --C(O)R.sup.12, --C(CN).dbd.C(CN).sub.2, --CH.dbd.C(CN).sub.2 and perfluoroalkyl, where R.sup.12 hydrogen, deuterium, alkyl, or perfluoroalkyl;
- D is an electron donating substituent selected from the group consisting of --NR.sup.13 R.sup.14, --OR.sup.13, --SR.sup.13 and ##STR42## wherein R.sup.13 and R.sup.14 are the same or different and are hydrogen, deuterium, alkyl or aryl;
- R.sup.1 and R.sup.2 are the same or different and are an inorganic or divalent conjugated organic moiety;
- m, n and p are the same or different at each occurrence and are integers from 1 to 3 wherein the sum of p and n, as well as the sum of p and m, is equal to 4;
- k and o are the same or different at each occurrence and are integers from 1 to 4 wherein the sum of k and o is equal to 5;
- i and j are the same or different and are 0 or an integer from 1 to 5 wherein the sum of i and j is equal to 5;
- R.sup.3 is the same or different at each occurrence and is a monovalent moiety;
- x and y are the same or different and are 0 or an integer from 1 to about 10;
- Z is the same or different at each occurrence and is a moiety of the formula:
- --OR.sup.4 -- or --Q--;
- Q and T are the same or different and are selected from the group consisting of divalent moieties of the formula:
- --OC(O)--, and --C(O)O--, and
- R.sup.4 is a divalent hydrocarbon radical.
11 more elements
Dependencies are inferred from the claim text.