Dispersion for timber treatment

Details Dispersion for timber treatment Dispersion for timber treatment

1976-11-01

1978-08-08

Guynn, Herbert B.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

106 15R, 106 15FP, 427440, 428921, C09K 328, B27K 350

Patent

active

041055667

ABSTRACT:
The invention provides a homogenous stable aqueous dispersion containing an organo-tin biocide and certain ammonium polyphosphate flame retardants which can be diluted and used to treat timber. The compositions further comprise a quaternary ammonium compound having surfactant activity, a derivative of carbamic acid and a hydrotrope which is an organic phosphate ester or an alkaryl sulphonate in order to maintain the active compounds in suspension. The biocidal activity is unaffected by the presence of the polyphosphate species.

REFERENCES:
patent: 2957785 (1960-10-01), Leatherland
patent: 3222158 (1965-12-01), Sowa
patent: 3398019 (1968-08-01), Langguth et al.
patent: 3809653 (1974-05-01), Sansing et al.

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