US 11,701,922 B2
Metal or metal-plated reinforcement with sulfur polybenzoxazine-coated surface
Milan Fedurco, Clermont-Ferrand (FR); and Marco Ribezzo, Clermont-Ferrand (FR)
Assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
Appl. No. 16/621,570
Filed by COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
PCT Filed Jun. 12, 2018, PCT No. PCT/HR2018/051369
§ 371(c)(1), (2) Date Dec. 11, 2019,
PCT Pub. No. WO2018/229417, PCT Pub. Date Dec. 20, 2018.
Claims priority of application No. 1755353 (FR), filed on Jun. 14, 2017.
Prior Publication US 2021/0146725 A1, May 20, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B60C 9/00 (2006.01); C08G 73/02 (2006.01); C08J 5/06 (2006.01); C09D 179/04 (2006.01); D07B 1/06 (2006.01); C08G 65/40 (2006.01)
CPC B60C 9/0007 (2013.01) [C08G 65/4031 (2013.01); C08G 65/4056 (2013.01); C08G 73/0233 (2013.01); C08J 5/06 (2013.01); C09D 179/04 (2013.01); D07B 1/0606 (2013.01); B60C 2009/0014 (2013.01); C08G 2380/00 (2013.01); Y10T 428/2933 (2015.01); Y10T 428/2938 (2015.01)] 18 Claims
 
1. A metallic or metallized reinforcer, at least a surface of which is at least partially metallic, the at least partially metallic surface being coated with a polybenzoxazine sulfide, repeating units of which include at least one unit corresponding to formula (I) or (II):

OG Complex Work Unit Chemistry
in which the two oxazine rings are connected together via a central aromatic group, a is an integer from 1 to 4, x is an integer from 1 to 8, R represents hydrogen or a hydrocarbon-based group including 1 to 10 carbon atoms and optionally a heteroatom chosen from O, S, N and P, and *, which may be identical or different, represents any attachment to a carbon atom or to a heteroatom chosen from O, S, N and P.