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US 11,447,668 B2Granted
Joint compound
OwnerDianne Sanvito, Alberto Sanvitoinventors
Life of this patent
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Abstract
A joint compound for use on joints between adjacent wall panels without the need for tape, the joint compound comprising a filler, a binder, carbon fibres and/or carbon nanotubes.
Claims14
A joint compound for use on joints between adjacent wall panels, the joint compound comprising:
- a filler selected from the group consisting of calcium carbonate, calcium sulphate dihydrate, calcium sulphate hemihydrate, calcium magnesium carbonate, magnesium silicate, and combinations thereof;
- a binder selected from the group consisting of acrylic co-polymer emulsions, polyvinyl acetate, polyvinyl alcohol, ethylene vinyl acetate co-polymers, vinyl acrylic copolymers, styrene-butadiene polymers, polyacrylamides, other acrylic polymers, latex emulsions, caseins, and combinations thereof;
- carbon fibres;
- and
- from 5% to 20% by weight fibre additive selected from the group consisting of cellulose fibres, polymer fibres, mineral fibres, synthetic organic fibres and synthetic inorganic fibres, and combinations thereof,
- wherein the ratio of carbon fibres to filler is from about 1:1000 to about 1:50 by weight, and
- wherein the ratio of fibre additive to filler is from 1:1 to about 1:10 by weight.
4 more elements
Dependencies are inferred from the claim text.