Contact enhancing composition
First Claim
Patent Images
1. A soft, deformable composition comprising an admixture of:
- a. an effective amount of an anhydride copolymer,b. an effective amount of a flexibilizing polymer selected from polyisobutylene, styrene olefin styrene block polymer, and polymers of ethylene copolymerized with vinyl acetate, vinyl acrylate, vinyl methacrylate, and alpha-olefins;
c. an effective amount of a hydrophobic, compatible, fluoroaliphatic radical-containing composition,d. up to 5 weight percent of the composition of a mercaptan compound, ande. an effective amount of an antioxidant compound.
1 Assignment
0 Petitions
Accused Products
Abstract
A composition for coating on low pressure sliding connections to enhance electrical contact comprises an admixture of an anhydride copolymer; a flexibilizing copolymer; a hydrophobic, soluble, compatible fluoroaliphatic radical-containing composition; an antioxidant; optionally a mercaptan; and a suitable solvent system. Articles coated with the contact enhancing composition are disclosed.
-
Citations
25 Claims
-
1. A soft, deformable composition comprising an admixture of:
-
a. an effective amount of an anhydride copolymer, b. an effective amount of a flexibilizing polymer selected from polyisobutylene, styrene olefin styrene block polymer, and polymers of ethylene copolymerized with vinyl acetate, vinyl acrylate, vinyl methacrylate, and alpha-olefins; c. an effective amount of a hydrophobic, compatible, fluoroaliphatic radical-containing composition, d. up to 5 weight percent of the composition of a mercaptan compound, and e. an effective amount of an antioxidant compound. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A coating solution comprising an admixture of:
-
a. 4 to 30 weight percent of the total solution of; (1) 8 to 75 weight percent of the dried coating of an anhydride copolymer, (2) 8 to 75 weight percent of the dried coating of a flexibilizing polymer selected from polyisobutylene, styrene olefin styrene block polymer, and polymers of ethylene copolymerized with vinyl acetate, vinyl acrylate, vinyl methacrylate, and alpha-olefins; (3) 5 to 75 weight percent of the dried coating of a hydrophobic, soluble, compatible, fluoroaliphatic radical-containing compound or polymer, (4) 0 to 7 weight percent of the dried coating of a mercaptan compound, (5) 1.0 to 20 weight percent of an antioxidant compound, and b. 96 to 70 weight percent of the total solution of;
a solvent system comprising a mixture of at least one C6 to C9 aliphatic hydrocarbon, at least one lower molecular weight C1 to C4 alcohol, and trichlorotrifluoroethane;said solution being capable of drying to form a soft, defomable coating. - View Dependent Claims (17, 18, 19)
-
-
20. An article having at least one set of metallic contacts, which contacts are coated on at least one surface thereof with a soft, deformable contact enhancing composition comprising:
-
a. 8 to 75 weight percent of the dried contact enhancing composition of an anhydride copolymer, b. 8 to 75 weight percent of the dried contact enhancing composition of a flexibilizing polymer selected from polyisobutylene, styrene olefin styrene block polymer, and polymers of ethylene copolymerized with vinyl acetate, vinyl acrylate, vinyl methacrylate, and alpha-olefins; c. 5 to 75 weight percent of the dried contact enhancing composition of a hydrophobic, compatible, fluoroaliphatic radical-containing compound or polymer, d. 0 to 7 weight percent of the dried contact enhancing composition of a mercaptan compound, e. 1.0 to 20 weight percent of the dried contact enhancing composition of an antioxidant compound. - View Dependent Claims (21, 22)
-
-
23. A soft, deformable composition comprising an admixture of:
-
a. an effective amount of an anhydride copolymer selected from maleic anhydride and itaconic anhydride copolymerized with a C10 to C24 aliphatic hydrocarbon, b. an effective amount of a flexibilizing polymer, c. an effective amount of a hydrophobic, compatible, fluoroaliphatic radical-containing composition, d. up to 5 weight percent of the composition of a mercaptan compound, and e. an effective amount of an antioxidant compound.
-
-
24. A coating solution comprising an admixture of:
-
a. 4 to 30 weight percent of the total solution of; (1) 8 to 75 weight percent of the dried coating of an anhydride copolymer selected from maleic anhydride and itaconic anhydride copolymerized with a C10 to C24 aliphatic hydrocarbon, (2) 8 to 75 weight percent of the dried coating of a flexibilizing polymer, (3) 5 to 75 weight percent of the dried coating of a hydrophobic, soluble, compatible, fluoroaliphatic radical-containing compound or polymer, (4) 0 to 7 weight percent of the dried coating of a mercaptan compound, (5) 1.0 to 20 weight percent of an antioxidant compound, and b. 96 to 70 weight percent of the total solution of;
a solvent system comprising a mixture of at least one C6 to C9 aliphatic hydrocarbon, at least one lower molecular weight C1 to C4 alcohol, and trichlorotrifluoroethane,said solution being capable of drying to form a soft, deformable coating.
-
-
25. An article having a least one set of metallic contacts, which contacts are coated on at least one surface thereof with a soft, deformable contact enhancing composition comprising:
-
a. 8 to 75 weight percent of the dried contact enhancing composition of an anhydride copolymer selected from maleic anhydride or itaconic anhydride copolymerized with a C10 to C24 aliphatic hydrocarbon, b. 8 to 75 weight percent of the dried contact enhancing composition of a flexibilizing polymer, c. 5 to 75 weight percent of the dried contact enhancing composition of a hydrophobic, compatible, fluoroaliphatic radical-containing compound or polymer, d. 0 to 7 weight percent of the dried contact enhancing composition of a mercaptan compound, e. 1.0 to 20 weight percent of the dried contact enhancing composition of an antidioxidant compound.
-
Specification