Protection of substrates against aquatic fouling

Details Protection of substrates against aquatic fouling Protection of substrates against aquatic fouling

1991-09-13

1993-03-09

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

114 67R, 114222, 4274071, 4274123, 428332, 4284251, 4284255, 428448, 428451, 428907, B32B 702, B32B 2740

Patent

active

051926032

ABSTRACT:
A process for protecting a rigid substrate against aquatic fouling comprises coating the substrate with an elastomeric undercoat as a 200 to 1500 micron thick layer and with a top coat of a room temperature vulcanisable silicone rubber. The elastomeric undercoat is generally harder than the room temperature vulcanisable silicone rubber foul resistant top coat and preferably has a Shore A hardness of 60 to 90 and an extensibility of 200 to 800%. The abrasion and tear resistance of the silicone rubber foul resistant layer is markedly increased by the use of the elastomeric undercoat.

REFERENCES:
patent: 4025693 (1977-05-01), Milne
patent: 4273833 (1981-06-01), DeLong
patent: 4894428 (1990-01-01), Thoma et al.
Bioclean Brochure of Chugoku Marine Paint Ltd.

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