Dark-color polymer composite films

Patent metadata

Field	Value
Publication number	US-11242443-B2
Application number	US-201816025340-A
Country	US
Kind code	B2
Filing date	Jul 2, 2018
Priority date	Jul 2, 2018
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer selected from the group consisting of polyimide, polyamide, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, and combinations thereof, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight. Preferably, the phthalocyanine compound is selected from copper phthalocyanine, zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof.

First claim

We claim:

1. A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer selected from the group consisting of polyamide, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzobisimidazole, and combinations thereof, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight, wherein said phthalocyanine compound is selected from zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof.

2. A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight and said phthalocyanine compound is selected from zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof, wherein said polymer composite film has a thickness from 10 nm to 500 μm.

3. A black-color polymer composite film comprising a phthalocyanine compound dispersed in a polymer selected from the group consisting of polyimide, polyamide, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, and combinations thereof, wherein the phthalocyanine compound occupies a weight fraction of 0.1% to 50% based on the total polymer composite weight, wherein said polymer composite film further comprises from 0.1% to 30% of a pigment selected from graphene, humic acid, expanded graphite flakes, or a combination thereof, wherein said phthalocyanine compound is selected from zinc phthalocyanine, tin phthalocyanine, iron phthalocyanine, lead phthalocyanine, nickel phthalocyanine, vanadyl phthalocyanine, fluorochromium phthalocyanine, magnesium phthalocyanine, manganous phthalocyanine, dilithium phthalocyanine, aluminum phthalocyanine chloride, cadmium phthalocyanine, chlorogallium phthalocyanine, cobalt phthalocyanine, silver phthalocyanine, a metal-free phthalocyanine, or a combination thereof.

4. The black-color polymer composite film of claim 1 , further comprising from 0.1% to 15% by weight of a matting agent dispersed in said polymer based on the total polymer composite weight.

5. The black-color polymer composite film of claim 2 , wherein said polymer composite film further comprises from 0.1% to 30% of a pigment selected from graphene, humic acid, expanded graphite flakes, fine carbon black particles having a medium size from 150 nm to 1 μm, or a combination thereof.

6. The black-color polymer composite film of claim 2 , further comprising from 0.1% to 15% by weight of a matting agent dispersed in said polymer based on the total polymer composite weight.

7. The black-color polymer composite film of claim 3 , wherein said graphene contains single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or a combination thereof, wherein said few-layer graphene is defined as a graphene sheet or platelet formed of 2-10 graphene planes.

8. The black-color polymer composite film of claim 5 , wherein said graphene contains single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or a combination thereof, wherein said few-layer graphene is defined as a graphene sheet or platelet formed of 2-10 graphene planes.

9. The black-color polymer composite film of claim 3 , wherein said humic acid comprises chemically functionalized humic acid molecules (CHA) that contain a chemical functional group selected from a polymer, SO 3 H, COOH, NH 2 , OH, R′CHOH, CHO, CN, COCl, halide, COSH, SH, COOR′, SR′, SiR′ 3 , Si(—OR′—) y R′ 3 -y, Si(—O—SiR′ 2 —)OR′, R″, Li, AlR′ 2 , Hg—X, TlZ 2 and Mg—X; wherein y is an integer equal to or less than 3, R′ is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R″ is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, or a combination thereof.

10. The black-color polymer composite film of claim 5 , wherein said humic acid comprises chemically functionalized humic acid molecules (CHA) that contain a chemical functional group selected from a polymer, SO 3 H, COOH, NH 2 , OH, R′CHOH, CHO, CN, COCl, halide, COSH, SH, COOR′, SR′, SiR′ 3 , Si(—OR′—) y R′ 3 -y, Si(—O—SiR′ 2 —)OR′, R″, Li, AlR′ 2 , Hg—X, TlZ 2 and Mg—X; wherein y is an integer equal to or less than 3, R′ is hydrogen, alkyl, aryl, cycloalkyl, or aralkyl, cycloaryl, or poly(alkylether), R″ is fluoroalkyl, fluoroaryl, fluorocycloalkyl, fluoroaralkyl or cycloaryl, X is halide, and Z is carboxylate or trifluoroacetate, or a combination thereof.

11. The black-color polymer composite film of claim 3 , wherein said polymer comprises a chemically or thermally converted polyimide which is derived from at least 50 mole percent of an aromatic dianhydride, based upon a total dianhydride content of the polyimide, and at least 50 mole percent of an aromatic diamine based upon a total diamine content of the polyimide.

12. The black-color polymer composite film of claim 2 , wherein said polymer comprises a chemically or thermally converted polyimide being derived from at least 50 mole percent of an aromatic dianhydride, based upon a total dianhydride content of the polyimide, and at least 50 mole percent of an aromatic diamine based upon a total diamine content of the polyimide.

13. The black-color polymer composite film of claim 11 , wherein (a) the aromatic dianhydride is selected from the group consisting of: pyromellitic dianhydride, 3,3′,4,4′-biphenyl tetracarboxylic dianhydride, 3,3′,4,4′-benzophenone tetracarboxylic dianhydride; 4,4′-oxydiphthalic anhydride, 3,3′,4,4′-diphenyl sulfone tetracarboxylic dianhydride, 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane, bisphenol A dianhydride, and mixtures thereof; and (b) the aromatic diamine is selected from the group consisting of: 3,4′-oxydianiline, 1,3-bis-(4-aminophenoxy)benzene, 4,4′-oxydianiline, 1,4-diaminobenzene, 1,3-diaminobenzene, 2,2′-bis(trifluoromethyl)benzidene, 4,4′-diaminobiphenyl, 4,4′-diaminodiphenyl sulfide, 9,9′-bis(4-amino)fluorine and mixtures thereof.

14. The black-color polymer composite film of claim 12 , wherein (a) the aromatic dianhydride is selected from the group consisting of: pyromellitic dianhydride, 3,3′,4,4′-biphenyl tetracarboxylic dianhydride, 3,3′,4,4′-benzophenone tetracarboxylic dianhydride; 4,4′-oxydiphthalic anhydride, 3,3′,4,4′-diphenyl sulfone tetracarboxylic dianhydride, 2,2-bis(3

Assignees

• Nanotek Instruments Inc
• Global Graphene Group Inc

Inventors

• Zhamu Aruna
• Jang Bor Z

Classifications

• C08J2379/08

  Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors · CPC title

• C08G73/22

  Polybenzoxazoles · CPC title

• C08K5/0091

  Complexes with metal-heteroatom-bonds · CPC title

• C08J5/18 Primary

  Manufacture of films or sheets · CPC title

• C09D179/08

  Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors · CPC title