Process for preparing branched polyarylene ethers
AssigneeXerox Corporation
InventorTimothy P. Bender
Life of this patent
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Abstract
Disclosed is a process for preparing branched polyarylene ether polymers by (A) providing a reaction mixture comprising (i) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar is an alkylaryl moiety at least three of the —OH groups are bonded to an aryl portion thereof, (ii) one or more linear polymers of the formula wherein m is 0 or 1, A and B are as defined herein, and n is an integer representing the number of repeat monomer units, and (iii) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
Claims33
A process for preparing a branched polyarylene ether polymer which comprises (A) providing a reaction mixture which comprises (i) an optional solvent, (ii) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar is an alkylaryl moiety at least three of the —OH groups are bonded to an aryl portion thereof, (iii) one or more linear polymers of the formula
- wherein each m, independently of the others, is an integer of 0 or 1, each A, independently of the others, is
- wherein R is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, or mixtures thereof,
- wherein Rx is an alkylene group, an arylene group, an arylalkylene group, an alkylarylene group, or mixtures thereof,
- or mixtures thereof, each B, independently of the others, is
- wherein z is an integer of from 2 to about 20,
- wherein u is an integer of from 1 to about 20,
- wherein w is an integer of from 1 to about 20,
- wherein each o, independently of the other, is an integer of 1, 2, 3, or 4,
- wherein R1 and R2 each, independently of the other, are hydrogen atoms, alkyl groups, aryl groups, arylalkyl groups, alkylaryl groups, or mixtures thereof, and p is an integer of 0 or 1,
- wherein b is an integer of 0 or 1,
- wherein (1) Z is
- wherein c is 0 or 1;
- (2) Ar′ is
- (3) G is an alkyl group selected from alkyl groups containing from about 2 to about 10 carbon atoms;
- (4) Ar″ is
- wherein s is 0, 1, or 2,
- and (6) q is 0 or 1;
- or mixtures thereof, and n is an integer representing the number of repeat monomer units, (iv) optionally, a compound of the formula
- wherein a is an integer of from 1 to 5 and R′ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, or a mixture thereof, wherein two or more R′ groups can be joined together to form a ring, and (v) a carbonate base;
- and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
A process for preparing a branched polyarylene ether polymer which comprises (A) providing a reaction mixture which comprises (i) a solvent, (ii) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar is an alkylaryl moiety at least three of the —OH groups are bonded to an aryl portion thereof, (iii) one or more linear polymers of the formula
- wherein each m, independently of the others, is an integer of 0 or 1, each A, independently of the others, is
- wherein R is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, or mixtures thereof,
- wherein Rx is an alkylene group, an arylene group, an arylalkylene group, an alkylarylene group, or mixtures thereof,
- or mixtures thereof, each B, independently of the others, is
- wherein z is an integer of from 2 to about 20,
- wherein u is an integer of from 1 to about 20,
- wherein w is an integer of from 1 to about 20,
- wherein each o, independently of the other, is an integer of 1, 2, 3, or 4,
- wherein R1 and R2 each, independently of the other, are hydrogen atoms, alkyl groups, aryl groups, arylalkyl groups, alkylaryl groups, or mixtures thereof, and p is an integer of 0 or 1,
- wherein b is an integer of 0 or 1,
- wherein (1) Z is
- wherein c is 0 or 1;
- (2) Ar′ is
- (3) G is an alkyl group selected from alkyl groups containing from about 2 to about 10 carbon atoms;
- (4) Ar″ is
- wherein s is 0, 1, or 2,
- and (6) q is 0 or 1;
- or mixtures thereof, and n is an integer representing the number of repeat monomer units, (iv) a compound of the formula
- wherein a is an integer of from 1 to 5 and R′ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, or a mixture thereof, wherein two or more R′ groups can be joined together to form a ring, (v) a carbonate base, and (vi) a dihalogenated monomer compound of the formula
- or mixtures thereof, wherein Y and Y′ each, independently of the other, is a fluorine atom or a chlorine atom;
- and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
A process for preparing a branched polyarylene ether polymer which comprises (A) providing a reaction mixture which comprises (i) a solvent, (ii) a polyfunctional phenol compound of the formula Ar(OH)x wherein x≧3 and wherein Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar is an alkylaryl moiety at least three of the —OH groups are bonded to an aryl portion thereof, (iii) one or more linear polymers of the formula
- wherein each m, independently of the others, is an integer of 0 or 1, each A, independently of the others, is
- wherein R is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, or mixtures thereof,
- wherein Rx is an alkylene group, on arylene group, an arylalkylene group, an alkylarylene group, or mixtures thereof,
- or mixtures thereof, each B, independently of the others, is
- wherein z is an integer of from 2 to about 20,
- wherein u is an integer of from 1 to about 20,
- wherein w is an integer of from 1 to about 20,
- wherein each o, independently of the other, is an integer of 1, 2, 3, or 4,
- wherein R1 and R2 each, independently of the other, are hydrogen atoms, alkyl groups, aryl groups, arylalkyl groups, alkylaryl groups, or mixtures thereof, and p is an integer of 0 or 1,
- wherein b is an integer of 0 or 1,
- wherein (1)Z is
- wherein c is 0 or 1;
- (2) Ar′ is
- (3) G is an alkyl group selected from alkyl groups containing from about 2 to about 10 carbon atoms;
- (4) Ar″ is
- wherein s is 0, 1, or 2,
- and (6) q is 0 or 1;
- or mixtures thereof, and n is an integer representing the number of repeat monomer units, (iv) a carbonate base, and (v) a dihalogenated monomer compound of the formula
- or mixtures thereof, wherein Y and Y′ each, independently of the other, is a fluorine atom or a chlorine atom;
- and (B) healing the reaction mixture
- and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
Dependencies are inferred from the claim text.