Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-01-29
1995-11-28
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523200, 523206, 523220, 523221, 523335, 523309, 524513, 524519, C09C 310, C09D 503, C08J 320
Patent
active
054708931
ABSTRACT:
Powder coating composition, prepared by process comprising the steps of providing a primary film-forming component and one or more other, different, components selected from film-forming components and non-film-forming components, each said component consisting of solid particles and each particle of said primary film-forming component comprising a solid polymeric binder system at least a portion of which is a film-forming resin in an amount sufficient to impart film forming properties to the composition, the particles of said other, different, components containing at least one substance that, when processed into a coating with said primary film-forming component, provides with said primary film-forming component said desired appearance or performance attribute to said coating, provided that, if the agglomerate contains a metallic or luster component and a fluidizable film-forming component, it also contains an incompatible film-forming component or a non-film-forming performance component, or two or more such components, and comminuting the components and mixing and agglomerating them to produce composite particles such that the composition is air fluidizable and can be applied to a substrate by electrostatic spray and the individual particles in said composite particles are bonded together such that the composite particles do not break down under the mechanical and/or electrostatic forces associated with application of the composition to the substrate.
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Cassidy Stephen P.
Cordiner Andrew G.
Ring John
Sinclair-Day John D.
Courtaulds Coatings (Holdings) Limited
Merriam Andrew E. C.
Michl Paul R.
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