powder coating process
TRANSCRIPT
selected from the group consistingof ethylenically unsaturatedmonomers and mixtures thereofto produce a polymer; preparing apigmented aqueous basecoat con•taining the polymer; applying atransparent topcoat to the base•coat; and baking and curing thebasecoat and the topcoat together.
.....COA'IIMI PIIOCDSU.S. Patent 6,001,427. Dec. 14, 1999C.L. Breazeale, Franklin, Ind.A process for coating selected por•tions of a substrate using a pow•der transfer member.
W-cuR.....XY ........U.S. Patent 6,001,428. Dec. 14, 1999J. Finter et al., assignors to CibaSpecialty Chemicals Corp.,Tarrytown, N. Y.A solid powder coating composi•tion having a glass transitiontemperature (Tg) higher than35·C, which becomes completelycrosslinked upon exposure to ul•traviolet light in the molten state.
...S8...TOPCOAT ...PI.AS'I'IC8U.S. Patent 6,001,469. Dec. 14, 1999CA. Verardi et at., assignors to PPGIndustries Ohio Inc., ClevelandA plastic article formed from aplastic material selected from thegroup consisting of thermoplasticolefins and reaction injectedmolding urethanes, the plastic ar•ticle being coated with a film of aprimer composition deposited di•rectly onto a surface of the plasticarticle without the aid of flame orcorona pretreatment, or the use ofan adhesion promoter or tie coat,the primer composition compris•ing 5 to 45% by weight of resinsolids of substantially saturatedpolyhydroxylated polydiene poly•mer having terminal hydroxylgroups; 10 to 50% ofresin solids ofaminoplast crosslinking material;5 to 85% of resin solids of a film•forming resin selected from the
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group consisting of polyesters,acrylics, polyurethanes, and co•polymers and mixtures thereof;and solvent.
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U.S. Patent 6.001.481. Dec. 14. 1999G. Dearnaley and S.J. Lukezich.assignors to Southwest ResearchInstitute, San Antonio, Texas
An aluminum or aluminum alloycomponent comprising a surfaceconverted to anodized aluminum,said anodized aluminum surfacefurther comprising pores filled witha substance consisting essentiallyof a diamondlike carbon sealant.
'IWO-CO.., ......YU.....caa......U.S. Patent 6.001,931. Dec. 14, 1999M. Brahm et al.• assignors to BayerAG, Leuerkusen, Germany
A binder mixture for two-compo•nent polyurethane coating compo•sitions, which dries at room tem•perature, wherein the bindercomprises a polyisocyanate com•ponent; a hydroxy-functionalpolyacrylate component; and op•tionally, reactive diluents.
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CADOII DIOJODI CLUIIIIMIPROCIISSu.s. Patent 6,004,400. Dec. 21. 1999P. W. Bishop and AJ. Harrouer.assignors to Phillips W. Bishop.Chandler. Ariz.
A method for cleaning contami•nant particles from a surface of ametal part including preliminar•ily cleaning with an abrasive ma•terial and then cleaning with fro•zen carbon dioxide pellets.
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P.O. 801130CARLSTADT. N.I 07072
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