Back to results
US 9,850,410 B2Granted
Powder coating pretreatment compositions, and methods of using and making the same
AssigneeBryson Patents Inc.
InventorBryan Christopher Farnum
Life of this patent
Estimating the term…
Abstract
The present document describes a composition for the pretreatment of surfaces, which comprises plasticizers, degassers, pH adjusting agents, pigments, a phenol formaldehyde resin based adhesive, process of making the same and method of using the same.
Claims16
A process for the preparation of a composition for the pretreatment of a surface, comprising:
- a) mixing a first liquid mixture comprising a plasticizer and a curing agent;
- with a second liquid mixture comprising a degasser consisting of monoethanolamine, a phenol formaldehyde resin based adhesive comprising an epoxy consisting of epichlorohydrin, a pH adjusting agent, a pigment and a defoamer,
- wherein said composition for the pretreatment of a surface comprises from about 25% to about 40% (v/v) of said plasticizer, from about 0.5% to about 2% (v/v) of said degasser consisting of monoethanolamine, from 30% to about 45% (v/v) of said phenol formaldehyde resin based adhesive comprising an epoxy consisting of epichlorohydrin and from about 5% to about 20% (w/w) of said pH adjusting agent.
Dependencies are inferred from the claim text.