US 11,806,425 B2
Chemical composition and related methods
Michael E. Stein, New Philadelphia, OH (US); and Sean A. Dickson, Canton, GA (US)
Filed by Michael E. Stein, New Philadelphia, OH (US); and Sean A. Dickson, Canton, GA (US)
Filed on Sep. 30, 2021, as Appl. No. 17/490,326.
Claims priority of provisional application 63/086,762, filed on Oct. 2, 2020.
Prior Publication US 2022/0105022 A1, Apr. 7, 2022
Int. Cl. C08L 83/04 (2006.01); A61K 8/895 (2006.01); A61Q 17/00 (2006.01); A61K 8/22 (2006.01)
CPC A61K 8/895 (2013.01) [A61K 8/22 (2013.01); A61Q 17/005 (2013.01); C08L 83/04 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01)] 25 Claims
 
1. A composition comprising:
30% to 35% by weight of a first polydimethylsiloxane having vinyl moieties,
wherein at least 0.10% by weight of the first polydimethylsiloxane is attributed to the vinyl moieties;
20% to 25% by weight of a second polydimethylsiloxane having vinyl moieties,
wherein at least 0.20% by weight of the second polydimethylsiloxane is attributed to the vinyl moieties;
7% to 10% by weight of a third polydimethylsiloxane having hydroxyl moieties,
wherein at least 2.0% by weight of the third polydimethylsiloxane is attributed to the hydroxyl moieties;
22% to 35% by weight fumed silicon dioxide,
wherein the fumed silicon dioxide has a surface area of at least 150 square meters per gram;
0.2% to 1.0% by weight a blowing agent;
0.15% to 0.5% by weight active boron; and
0.25% to 1.00% by weight active peroxide.