Gypsum composites used in fire resistant building components
AssigneeThe Intellectual Gorilla GmbH
InventorsEvan R. Daniels, Jonathan Newton
Life of this patent
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Abstract
A composite product includes gypsum in an amount of 70 to 90% by weight, fibers in an amount of 1.5 to 26% by weight substantially homogeneously distributed through the composite, and a rheology-modifying agent in an amount of 0.5 to 6% by weight. The composite is caused or allowed to cure to form a cured composite. The cured composite is a fire resistant component used in a fire-rated door core, a fire-rated door or a fire-rated building panel. The fire resistant component may include a building panel, a door panel, a door core, a door rail, a door stile, a door lock block, a door border, or a door insert.
Claims35
A fire resistant composite material comprising:
- gypsum in an amount sufficient to provide fire resistance, wherein the amount is 60 to 90% by weight;
- glass fibers, cellulose fibers, polyvinyl alcohol fibers and polypropylene fibers substantially homogeneously distributed through the composite;
- a rheology-modifying agent;
- and
- wherein the fire resistant composite material does not include any cement or flyash.
A fire resistant composite material consisting essentially of:
- gypsum in an amount sufficient to provide fire resistance;
- glass fibers, cellulose fibers, polyvinyl alcohol fibers and polypropylene fibers substantially homogeneously distributed through the composite;
- a rheology-modifying agent;
- and
- wherein the fire resistant composite material does not include any cement or flyash.
A fire resistant composite material comprising:
- gypsum in an amount sufficient to provide fire resistance, wherein the amount is 60 to 90% by weight;
- glass fibers, cellulose fibers, polyvinyl alcohol fibers and polypropylene fibers substantially homogeneously distributed through the composite;
- a rheology-modifying agent comprising hydroxypropoyl methyl celluose (HPMC), methyl hydroxyethyl cellulose (MHEC), hydroxyethyl cellulose (HEC) or carboxymethyl cellulose (CMC);
- and
- wherein the fire resistant composite material does not include any cement or flyash.
A fire resistant composite material consisting essentially of:
- gypsum in an amount sufficient to provide fire resistance;
- glass fibers, cellulose fibers, polyvinyl alcohol fibers and polypropylene fibers substantially homogeneously distributed through the composite;
- a rheology-modifying agent comprising hydroxypropoyl methyl celluose (HPMC), methyl hydroxyethyl cellulose (MHEC), hydroxyethyl cellulose (HEC) or carboxymethyl cellulose (CMC);
- and
- wherein the fire resistant composite material does not include any cement or flyash.
Dependencies are inferred from the claim text.