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US 2023/0141280 A1Published application
Silicone rubber formulations comprising siloxanes bearing alicyclic side chain groups
OwnerAndrei Gavryushin, Christian Bertl +1inventors
InventorsAndrei Gavryushin, Christian Bertl, Juergen Sauer
Life of this patent
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Abstract
Cured silicone rubbers for acoustic damping, and formulations and methods used to make the same, are provided.
Claims25
A compound having the structure of Formula (I):
- wherein
- R1 is selected from hydrogen, alkyl, non-aryl substituted alkyl, heteroalkyl, and non-aryl substituted heteroalkyl;
- each of R2 and R2′ is independently selected from hydrogen, alkyl, substituted alkyl, heteroalkyl, substituted heteroalkyl, aryl, and substituted aryl;
- each of R3 and R3′ is independently selected from hydrogen, alkyl, substituted alkyl, heteroalkyl, substituted heteroalkyl, aryl, and substituted aryl;
- each of R4 and R4′ is a reactive group;
- in the G-M-W side group:
- G is selected from alkyl and substituted alkyl;
- M-W is selected from alkyl and substituted alkyl;
- W-G is selected from alkyl and substituted alkyl;
- each of R15, R16, and R17 is each independently selected from hydrogen, alkyl, non-aryl substituted alkyl, heteroalkyl, non-aryl substituted heteroalkyl, or two of R15, R16, and R17 together with the carbon atom to which they are bonded form a cycloalkyl, non-aryl substituted cycloalkyl, cycloheteroalkyl, or non-aryl substituted cycloheteroalkyl ring;
- n is an integer between 5 and 10000;
- q is an integer between 1 and 10;
- s is an integer between 1 and 10;
- t is an integer between 1 and 10;
- and
- v is an integer between 0 and 6.
13 more elements
The cured silicone rubber of 12, wherein the filler material is selected from carbon black, fumed silica, and titanium dioxide.
Dependencies are inferred from the claim text.