Water-soluble electrically conducting polymers, their synthesis and use
First Claim
1. A water-soluble, electrically conductive composition of matter capable of forming a stable 5 wt. % solution in water, comprising a polyacid wherein said polyacid is selected from the group consisting of poly(acrylic acid), poly(methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphonic acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide,wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer.
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Abstract
Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.
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Citations
59 Claims
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1. A water-soluble, electrically conductive composition of matter capable of forming a stable 5 wt. % solution in water, comprising a polyacid wherein said polyacid is selected from the group consisting of poly(acrylic acid), poly(methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphonic acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide,
wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer.
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38. A water-insoluble, electrically conductive composition of matter comprising a polyacid selected from the group consisting of poly(acrylic acid), (methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide,
wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer, wherein said composition of matter is capable of forming a stable 5 wt. % solution in water when said polymer is not cross-linked, wherein said polymer is cross-linked.
- 43. A water-soluble, electrically conductive composition of matter capable of forming a stable 5 wt. % solution in water, and comprising a polyacid and a conjugated polymer composed of repeating units which contain a conjugated basic atom, wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer, which composition of matter is the product of the process comprising forming an aqueous solution of one or more monomers selected from the group consisting of substituted and unsubstituted aniline, thiophene, pyrrole, and mercaptophenol, and a polyacid selected from the group consisting of poly(acrylic acid), poly(methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), wherein the number of acid groups on said polyacid exceeds the number of said basic atoms, and polymerizing the monomer while controlling the rate of initiation and the rate of propagation of said polymerization such that the polymerization forms said composition of matter in said solution.
Specification