Fiberglass insulation coated with a heat collapsible foam composition
AssigneeReynolds
InventorSurendra Jain
Life of this patent
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Abstract
An improved heat collapsible foam coating is provided for fiberglass insulation articles which is coated onto the fiberglass insulation, thereby providing the fiberglass insulation with good mechanical properties and other desirable properties such as low emission of volatiles, fire retardency, low potential smoke generation and low air friction.
Claims15
An aqueous, foamable coating composition for use on fiberglass insulation articles comprising an aqueous medium having dispersed therein solid material consisting essentially, by weight, of
- (a) 6 to 26 percent of a strong and soft, non-halogenated, vinyl type polymer;
- (b) 6 to 26 percent of a halogenated vinyl polymer;
- (c) 40 to 80 percent of at least one inorganic filler selected from the group of clay, calcium carbonate, aluminum trihydrate, magnesium trihydrate, antimony oxide, barium sulfate and encapsulated asbestos, or a mixture thereof;
- (d) 0.1 to 1 percent of a foaming agent;
- and
- (e) 0.2 to 2 percent of a thickening agent.
A fiberglass insulation article covered with an aqueous, foamable coating composition, said aqueous, foamable coating composition comprising an aqueous medium having dispersed therein solid material consisting essentially, by weight, of
- (a) 6 to 26 percent of a strong and soft, non-halogenated, vinyl type polymer;
- (b) 6 to 26 percent of a halogenated vinyl polymer;
- (c) 40 to 80 percent of at least one inorganic filler, selected from the group of clay, calcium carbonate, aluminum trihydrate, magnesium trihydrate, antimony oxide, barium sulfate and encapsulated asbestos, or a mixture thereof;
- (d) 0.1 to 1 percent of a foaming agent;
- and
- (e) 0.2 to 2 percent of a thickening agent.
Dependencies are inferred from the claim text.