Environmentally friendly coating compositions for coating metal objects, coated objects therefrom and methods, processes and assemblages for coating thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08F-002/48
C08F-002/46
C08J-003/28
B32B-009/04
B32B-009/00
출원번호
US-0258583
(2005-10-24)
등록번호
US-7498362
(2009-03-03)
발명자
/ 주소
Ramsey,Sally Judith Weine
출원인 / 주소
Ecology Coatings, Inc.
대리인 / 주소
Wilson Sonsini Goodrich & Rosati
인용정보
피인용 횟수 :
7인용 특허 :
35
초록▼
Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In certain embodiments, the disclosed coating compositions are suitable for coating flexible objects and/or objects having angular features, such as, but
Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In certain embodiments, the disclosed coating compositions are suitable for coating flexible objects and/or objects having angular features, such as, but not limited to, flexible metal objects with angular features. In other embodiments, the cured coatings have improved slip properties and at least 6 H hardness. Such embodiments can served as substitutes for "hard chrome" coatings, TEFLON�� coatings, coatings comprising TEFLON��, or TEFLON�� like coatings. In addition, methods are disclosed for coating surfaces, or at least a portion of the surfaces, and curing of the coated surface to obtain partially or fully cured coated surfaces. Furthermore, articles of manufacture incorporating fully cured coated surfaces are disclosed, including, for example leaf springs, hydraulic rods and cylinders. Also disclosed are methods, processes, production lines, articles of manufacture, and factories which incorporate these environmentally friendly, substantially all solids coating compositions curable using ultraviolet and visible radiation.
대표청구항▼
What is claimed is: 1. An actinic radiation curable, substantially all solids composition comprising a mixture of about 15-45% by weight of an oligomer or a multiplicity of oligomers; about 30-65% by weight of a monomer or multiplicity of monomers; about 2-10% by weight of a photoinitiator or a mul
What is claimed is: 1. An actinic radiation curable, substantially all solids composition comprising a mixture of about 15-45% by weight of an oligomer or a multiplicity of oligomers; about 30-65% by weight of a monomer or multiplicity of monomers; about 2-10% by weight of a photoinitiator or a multiplicity of photoinitiators; about 0.1-5% by weight of nano-alumina; and about 0.01-2% by weight of a corrosion inhibitor or a multiplicity of corrosion inhibitors; wherein the cured composition is a slick, abrasion and scratch resistant coating with at least 6 H hardness; and wherein thermal curing is not required to attain the at least 6 H hardness. 2. The actinic radiation curable, substantially all solids composition of claim 1, wherein the oligomer or a multiplicity of oligomers comprises a slip and flow enhancing oligomer. 3. The actinic radiation curable, substantially all solids composition of claim 1 wherein the mixture further comprises up to about 15% by weight of a polymerizable pigment dispersion or a multiplicity of polymerizable pigment dispersions. 4. The actinic radiation curable, substantially all solids composition of claim 1, further comprising up to about 2% of a co-photoinitiator selected from a group consisting of an amine acrylate, thioxanthone, benzyl methyl ketal, and combinations thereof. 5. The actinic radiation curable, substantially all solids composition of claim 1, wherein the corrosion inhibitor is M-235. 6. The actinic radiation curable, substantially all solids composition of claim 1 used as a hard chrome substitute. 7. The actinic radiation curable, substantially all solids composition of claim 1 used to coat an object, wherein the coated portion of the object comprises metal, glass, or plastic. 8. The actinic radiation curable, substantially all solids composition of claim 7 wherein the object is selected from hydraulic rods, hydraulic cylinders, aircraft jet engine components, diesel cylinder liners, pneumatic struts for automobile hatchbacks, shock absorbers, aircraft landing gear, railroad wheel bearings, railroad wheel couplers, tool parts, die parts, plastic molds, rubber molds, and glass. 9. The actinic radiation curable, substantially all solids composition of claim 8 wherein the object is hydraulic rods. 10. The actinic radiation curable, substantially all solids composition of claim 1, wherein the monomer or multiplicity of monomers is selected from a group consisting of a trimethylolpropane triacrylate, a 2-phenoxyethyl acrylate, an isobomyl acrylate, a propoxylated glyceryl triacrylate, an acrylate ester derivative, a methacrylate ester derivative, a tripropylene glycol diacrylate, an acrylate ester derivative and combinations thereof. 11. The actinic radiation curable, substantially all solids composition of claim 1, wherein the photoinitiator or multiplicity of photoinitiators is selected from a group consisting of diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, beuzophenone, 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, 2,4,6-trimethylbenzophenone, 4-methylbenzophenone, oligo (2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone), and combinations thereof. 12. The actinic radiation curable, substantially all solids composition of claim 3, wherein the polymerizable pigment dispersions are comprised of at least one pigment attached to an activated resin. 13. The actinic radiation curable, substantially all solids composition of claim 12, wherein the activated resin is selected from a group consisting of an acrylate resin, a methacrylate resin, and a vinyl resin. 14. The actinic radiation curable, substantially all solids composition of claim 12, wherein the pigment is selected from a group consisting of carbon black, rutile titanium dioxide, organic red pigment, phthalo blue pigment, red oxide pigment, isoindoline yellow pigment, phthalo green pigment, quinacridone violet, carbazole violet, masstone black, light lemon yellow oxide, light organic yellow, transparent yellow oxide, diarylide orange, quinacridone red, organic scarlet, light organic red, and deep organic red.
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