US 12,076,970 B2
Two shot molding with isosorbide based polycarbonate
Woo-Sung Bae, Northville, MI (US); Bradley J. Tice, Warren, MI (US); and Guy D. Larouche, White Lake, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Nov. 17, 2022, as Appl. No. 18/056,377.
Prior Publication US 2024/0173939 A1, May 30, 2024
Int. Cl. B32B 7/022 (2019.01); B29C 45/16 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); B29K 69/00 (2006.01); B29L 31/30 (2006.01)
CPC B32B 7/022 (2019.01) [B29C 45/16 (2013.01); B32B 27/08 (2013.01); B32B 27/365 (2013.01); B29K 2069/00 (2013.01); B29K 2995/007 (2013.01); B29L 2031/3005 (2013.01); B32B 2307/536 (2013.01); B32B 2307/732 (2013.01); B32B 2605/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A vehicle trim component, comprising:
a substrate comprising a first polymer, the substrate including a first surface and the first polymer includes bisphenol-A based polycarbonate; and
an exterior layer comprising a second polymer, wherein the second polymer includes isosorbide-based polycarbonate, the exterior layer includes an exterior surface,
a rear surface, and a periphery defined by the rear surface, and the exterior layer is laminated to the first surface of the substrate, wherein one or more gates for molding the exterior layer is formed along the rear surface spaced away from the periphery.