Pigment for blocking tannin migration

Details Pigment for blocking tannin migration Pigment for blocking tannin migration

1979-01-26

1980-08-19

Ansher, Harold

Stock material or miscellaneous articles

Composite

Of carbohydrate

106288B, 106306, 156 90, 427325, 427397, 427408, 4274191, 428539, 428541, 428921, B32B 3300, B32B 2104, B32B 2112

Patent

active

042185165

ABSTRACT:
A process for inhibiting the staining of film-forming finishes applied to a tannin-containing wood substrate comprises applying to the wood substrate, prior to or concurrently with the surface film, an aqueous formulation containing a stain-inhibiting amount of magnesium hydroxide having a high surface area, thereby forming a leach-resistant magnesium hydroxide-tannin complex.

REFERENCES:
patent: 3494878 (1970-02-01), Harren et al.
patent: 3756850 (1973-09-01), Story
patent: 3778304 (1973-12-01), Thompson
patent: 3808037 (1974-04-01), Story
patent: 3847857 (1974-11-01), Haag et al.
patent: 3852087 (1974-12-01), Nordyke et al.
patent: 3900619 (1975-08-01), Lalk et al.
patent: 3900620 (1975-08-01), Gilman et al.
patent: 3919145 (1975-11-01), Eckhoff
patent: 4072786 (1978-02-01), Hinsche et al.
patent: 4145242 (1979-03-01), Chow

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