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US 4,360,385 AGranted
Water repellent compositions for the treatment of wood
AssigneePPG Industries, Inc.
InventorJohn F. Grunewalder
Life of this patent
Estimating the term…
Abstract
Water repellent treating compositions are based upon olefin and paraffin materials containing a substantial proportion of compounds containing from 20 to 24 carbon atoms. The treating compositions are especially useful for application to wood. Additives such as wood preservatives, alkyd resins and, in especially preferred compositions, organic ionizable compounds are included. The preferred compositions are useful for application to wood substrates which are subsequently electrostatically sprayed with a topcoating.
Claims13
A treating composition, consisting essentially of:
- (a) from about 1% to about 50% of a water-repellent selected from the group consisting of an alpha olefin having from 20 to 24 carbon atoms, a narrow cut alpha olefin blend, a narrow cut paraffin blend and mixtures thereof, wherein said olefin blend and paraffin blend consists essentially of a mixture of compounds of which at least about 50% have from 20 carbon atoms to 24 carbon atoms;
- (b) at least about 0.5% of a material selected from the group consisting of
- (i) from about 0% to about 6% of a wood preservative;
- (ii) from about 0% to about 20% of an alkyd resin;
- (iii) from about 0% to about 5% of an organic ionizable compound selected from the group consisting of quaternary ammonium halides, sulfates and hydroxides and alkyl and aryl esters of phosphorus-containing and sulfur-containing acids;
- and
- (iv) mixtures thereof;
- and
- (c) from about 45% to about 98% of an organic solvent.
6 more elements
Dependencies are inferred from the claim text.