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US 2017/0362477 A1Published application
Construction adhesive compositions
AssigneeUnited States Gypsum Company
InventorsRenee L. Weinberger, Rafael Bury
Life of this patent
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Abstract
A construction adhesive composition comprises between about 10 weight percent (wt. %) and about 30 wt. % of a vinyl acrylic latex, between about 30 wt. % and about 65 wt. % of calcium carbonate, and a surfactant.
Claims15
A construction adhesive composition comprising:
- between about 10 weight percent (wt. %) and about 30 wt. % of a vinyl acrylic latex;
- between about 30 wt. % and about 65 wt. % of calcium carbonate, calcium magnesium carbonate, or a mixture of calcium carbonate and calcium magnesium carbonate;
- and,
- a surfactant,
- wherein the construction adhesive composition has a pH between about 7.5 and about 10.5, and wherein the construction adhesive composition has a viscosity between 400 Brabender Units (BU) and 12000 BU (between 10680 cps and 320,400 cps) as measured by a Brookfield viscometer operated at 50 rpm.
2 more elements
(canceled)
Dependencies are inferred from the claim text.