Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue
Patent
1995-04-17
1996-11-12
Kulkosky, Peter F.
Stock material or miscellaneous articles
Composite
Of bituminous or tarry residue
428689, B32B 1100
Patent
active
055737820
ABSTRACT:
An aigicidal composite sheet body suitable for use as a building material is described. The composite comprises a bituminous sheet material having a firmly adherent surfacing of granular material, the granular material comprising ceramic-coated base granules adhered to the bituminous sheet material by a composition containing calcium, the granular material and the composition forming an exterior surface on the composite sheet body, the composite sheet body exterior surface having an algicidal topical coating Thereon, wherein the algicidal topical coating comprises an organic oil and a tin-acrylate polymer dispersed therein, the tin-acrylate polymer being derived from a monomer composition comprising flee-radical polymerizable units. The organic oil is selected from the group consisting of slate oil, rock oil, coal oil, and seneca oil, and the tin-acrylate polymer is present at a weight percentage ranging from about 0.5 to about 15 as a percentage of total weight of the organic oil and the tin-acrylate polymer.
REFERENCES:
patent: 3167473 (1963-01-01), Leebrick et al.
patent: 5286544 (1990-08-01), Graham
patent: 5427793 (1995-06-01), Bigham et al.
J. Polymer Science, 1958, vol. 32, pp. 523-525, "Organotin-Based Antifouling Systems", Chapter 2.
Bigham W. Stuart
George Billy L.
Sobon Christine A.
Griswold Gary L.
Kirn Walter N.
Kulkosky Peter F.
Minnesota Mining and Manufacturing Company
Pastirik Daniel R.
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