US 12,404,406 B2
Laminate based on silicone rubber compositions
Milan Fedurco, Clermont-Ferrand (FR); Marco Ribezzo, Clermont-Ferrand (FR); Antonio Delfino, Clermont-Ferrand (FR); and Alain Faugeras, Clermont-Ferrand (FR)
Assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
Appl. No. 17/775,914
Filed by COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
PCT Filed Nov. 26, 2020, PCT No. PCT/FR2020/052198
§ 371(c)(1), (2) Date Aug. 26, 2022,
PCT Pub. No. WO2021/105630, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 1913474 (FR), filed on Nov. 29, 2019.
Prior Publication US 2023/0045626 A1, Feb. 9, 2023
Int. Cl. C08L 83/04 (2006.01); B29D 30/06 (2006.01); C08G 77/12 (2006.01); C08G 77/20 (2006.01); C08K 3/36 (2006.01); C09D 183/04 (2006.01)
CPC C08L 83/04 (2013.01) [B29D 30/0654 (2013.01); C08G 77/12 (2013.01); C08G 77/20 (2013.01); C08K 3/36 (2013.01); C09D 183/04 (2013.01); B29D 2030/0655 (2013.01); B29K 2883/00 (2013.01); C08L 2205/025 (2013.01); C08L 2207/53 (2013.01)] 15 Claims
 
1. A laminate comprising a first layer, a second layer, and a third layer of a crosslinked diene rubber composition, the second layer directly covering the first layer and the third layer directly covering the second layer, the first layer being a layer formed from a first silicone rubber composition comprising a micrometric silicone powder and a first mixture of crosslinkable organopolysiloxanes, the second layer being a layer formed from a second silicone rubber composition comprising a hydrophobic silica, polyamide microparticles having a melting point above 100° C., and a second mixture of crosslinkable organopolysiloxanes, the first layer and the second layer being crosslinked, and the first layer not including the polyamide microparticles.