Claims
- 1. An alternating copolymer of the formula: ##STR10## prepared by (a) reacting two equivalents of a diaryl ester of a dicarboxylic acid having the formula: ##STR11## with a diamine of the formula:
- R.sup.2 NH--G--NHR.sup.2
- and then (b) reacting the product formed in (a) with a diol of the formula:
- HO--R--OH
- to form the alternating amide-ester-ether copolymer, wherein units A comprise from about 1 to about 99 percent by weight of said copolymer and units B comprise from about 99 to about 1 percent by weight of said copolymer, where E is a divalent aryl group unsubstituted or substituted with at least one chlorine, bromine, fluorine, nitro, nitrile, alkyl of from 1 to 6 carbon atoms, alkoxy of from 1 to 6 carbon atoms or aryl of from 6 to 20 carbon atoms, or a mixture of any of the foregoing; G is a divalent, aryl, or cycloalkyl group of from about 2 to about 30 carbon atoms or a mixture of any of the foregoing, or G is as defined and is interrupted with alkylene, arylene, carbonyl, ether, amino or sulfur containing groups, unsubstituted or substituted with at least one of chlorine, bromine, fluorine, nitro, nitrile, alkyl of from 1 to 6 carbon atoms, alkoxy of from 1 to 6 carbon atoms, or aryl of from 6 to 20 carbon atoms, or a mixture of any of the foregoing; R is a divalent alkyl, cycloalkyl, or aliphatic ether group of from about 2 to about 20 carbon atoms or a mixture of such groups; Ar.sup.3 is the same or different aryl group or aryl group substituted with at least one of chlorine, bromine, fluorine, or alkyl of from 1 to 6 carbon atoms, and R.sup.2 is hydrogen or an alkyl radical having from 1 to 10 carbon atoms; and x, y and z are integers of from 1 to 100,000.
- 2. A copolymer as defined in claim 1 wherein units of A comprise from about 20 to about 80 percent by weight and units of B comprise from about 80 to about 20 percent by weight of A and B combined.
- 3. A copolymer as defined in claim 2 wherein units of A comprise from about 40 to about 60 percent by weight and units of B comprise from about 60 to about 40 percent by weight of A and B combined.
- 4. A copolymer as defined in claim 1 wherein E is the residue of a diacid selected from phthalic, terephthalic, isophthalic, naphthalene, biphenyl dicarboxylic acids or a mixture of any of the foregoing.
- 5. A copolymer as defined in claim 1 wherein E is the residue of a diacid selected from phthalic, terephthalic, isophthalic, naphthalene, biphenyl dicarboxylic acids or other aromatic dicarboxylic acids.
- 6. A copolymer as defined in claim 5 wherein E is ##STR12## R is ##STR13## n is an integer of from 2 to 6.
- 7. A copolymer as defined in claim 1 wherein G is selected from meta-xylylenediamine, paraxylylenediamine, 1,3-bis(aminomethyl)cyclohexane, 1,4-bis(aminomethyl)cyclohexane, 1,3-diaminocyclohexane, 1,4-diaminocyclohexane, bis(4-aminocyclohexyl)methane, 2,2-bis(4-aminocyclohexyl)propane, 1,4-piperazine, meta-phenylenediamine, para-phenylenediamine, bis(4-aminophenyl)methane, or mixtures thereof.
- 8. A copolymer as defined in claim 1 wherein R is a residuum of a diol selected from ethylene glycol, propanediol, 1,4-butanediol, polytetramethylene ether diol, 1,4-cyclohexanedimethanol or a mixture of any of the foregoing.
- 9. A copolymer as defined in claim 8 wherein R is a residuum of 1,4-butanediol.
CROSS REFERENCE TO RELATED APPLICATION
This is a continuation of Ser. No. 07/506,915 filed on Apr. 9, 1990, now abandoned, which is a continuation of Ser. No. 07/117,245 filed on Nov. 4, 19987 now abandoned.
This application is related to the following commonly assigned application
US Referenced Citations (6)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0235384 |
Sep 1987 |
EPX |
0276874 |
Mar 1988 |
EPX |
57-207643 |
Jun 1981 |
JPX |
Continuations (2)
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Number |
Date |
Country |
Parent |
506915 |
Apr 1990 |
|
Parent |
117245 |
Nov 1987 |
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