Biocidal glass additive for marine paints

Details Biocidal glass additive for marine paints Biocidal glass additive for marine paints

1977-05-23

1978-07-04

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 15R, 106 48, 106 52, 106 54, 428149, 428432, C03C 304, C03C 314, C03C 330, C09D 514

Patent

active

040986101

ABSTRACT:
This invention relates to the production of borate-based or silicate-based glasses containing copper which are operable as biocidal additives in marine anti-fouling coatings. Zinc and/or tin may be substituted for a portion of the copper or, if present in combination at high loadings, may be substituted in total for the copper. When dispersed in the standard film forming binders employed in marine paints, the rate of solution of the metal ion in salt water is in excess of 10 mg/m.sup.2 /day.

REFERENCES:
patent: 2477649 (1949-08-01), Pincus
patent: 3100718 (1963-08-01), Dunn et al.
patent: 3100719 (1963-08-01), Dunn et al.
patent: 3385915 (1968-05-01), Hamling
patent: 3413133 (1968-11-01), Stalego
patent: 3476577 (1969-11-01), Davie
patent: 3528842 (1970-09-01), Skadulis
patent: 3883358 (1975-05-01), Malmendier
patent: 4042402 (1977-08-01), Drake et al.
Weyl, W. A.-Coloured Glasses-(1959) London-Dawson's of Pall Mall p. 160.
Morey, G. W.-The Properties of Glass-(1954) N.Y.-Reinhold Pub. Corp. pp. 123 and 488-491.

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