Preservative composition

Details Preservative composition Preservative composition

1990-09-13

1992-03-24

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

1061231, 106162, 106218, 106219, 106236, 106241, 1062871, 106311, 252 41, 252352, 252367, 252282, 252407, 252 7, C09D 514

Patent

active

050984721

ABSTRACT:
There is disclosed a preservative composition which is ultra stable in the presence of wood extractives comprising (a) an emulsion of a wood preserative grade creosote; (b) 5-95% water; (c) one or more pre-dispersed micronized pigments; (d) a rheology structuring agent present in an amount of 2.5 weight percent or less; (e) 0.25 to 10 weight percent of a soap which is an alkali metal salt of a wood derived resin acid; (f) 0.1 to 5 weight percent of a surfactant; (g) 0.25 to 2 weight percent of a natural or synthetic pigment modifying resins or anti-settle additive; and (h) 0.25 to 5 weight percent of a lignin sulfonate. The emulsion is produced under conditions of ultra-high sheer. A process for the manufacture of the preservative composition is also disclosed.

REFERENCES:
patent: 2933413 (1960-04-01), Goldstein
patent: 3378381 (1968-04-01), Deaganov
patent: 3764378 (1973-10-01), Kemp
patent: 3822137 (1974-07-01), Kemp
patent: 3888774 (1975-06-01), Kemp
patent: 3973971 (1976-08-01), Greco et al.
Derwent Abstract, Accession No. 82-32508E/15, Russian Patent No. SU-835749, 79.07.16.
Derwent Abstract, Accession No. 72-21901T/14, Russian Patent No. SU-300321, 69.11.21.
Derwent Abstract, Accession No. 79-71254B/39, Russian Patent No. SU-639705, 77.02.11.

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