Patent ID: 9493337
Filing Date: 2016-11-15
CPC Classification: B81B,C08J,C08L,Y10T

Claim Text:
1. A reinforced foam having a first end and a second end, wherein said foam comprises: (a) a matrix comprising a first closed cell foam comprising a first thermoplastic material, (b) at least one or more channels disposed in parallel in said matrix from the first end to the second end of said foam, wherein said one or more channels are at least 1 μm apart from each other, wherein said one or more channels have a cross sectional shape selected from the group consisting of circular, rectangular, star, diamond, triangular, square, and combinations thereof, and wherein each said one or more channels have a diameter in the range of from 2 μm to 1998 μm; and (c) a second closed cell foam disposed in said one or more channels, wherein said second closed cell foam comprises a second thermoplastic material that is different than the first thermoplastic material; wherein said reinforced foam has a thickness such that the reinforced foam thickness to channel diameter ratio is in the range of from 2:1 to 400:1.