Water-repellent and vapor-permeable paint

Details Water-repellent and vapor-permeable paint Water-repellent and vapor-permeable paint

1986-06-06

1987-12-29

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524269, 524448, 524506, C08K 554, C08K 334

Patent

active

047161884

ABSTRACT:
A paint for outdoor surfaces and surfaces in wet rooms, especially for concrete walls exposed to strong weathering, contains pigment, binder of which a part is (meth)acrylic polymers and/or copolymers, volatile solvent(s), fillers and optionally known additives and it is characterized by (a) having a pigment-volume concentration of 47 to 65%, preferbly 55 to 60%, (b) containing diatom shells as part of the filler, and (c) containing one or more oligomieric alkyl-alkoxy-organosiloxanes as part of the continuous binder phase. There is obtained on one hand a high degree of imperviousness to water in the liquid form and on the other hand a high degree of diffusion of aqueous vapor.

REFERENCES:
patent: 2575577 (1951-11-01), Beauchamp
patent: 3849357 (1974-11-01), Wolf

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