Back to results
US 2015/0306846 A1Published application
Siloxane compositions and methods for reducing voc and siloxane dust
AssigneeUnited States Gypsum Company
InventorsYufeng Xu, Wenqi Luan
Life of this patent
Estimating the term…
Abstract
An improved water-resistant gypsum product prepared with a high-viscosity siloxane is provided. A fuel-efficient method for making the product and reducing the amount of siloxane dust released is provided as well.
Claims20
A gypsum product comprising a gypsum core formulated with siloxane, wherein the siloxane viscosity is at least 30 cps.
A method of manufacturing a gypsum product, the method comprising
- preparing a gypsum slurry comprising from 0.08% to 1% siloxane with viscosity of at least 30 cps and at least one accelerator of siloxane polymerization;
- forming the slurry into a gypsum product;
- and
- allowing the slurry to set.
1 more element
Dependencies are inferred from the claim text.