CPC B32B 3/30 (2013.01) [B32B 5/022 (2013.01); B32B 27/12 (2013.01); B60R 13/02 (2013.01); B32B 2262/106 (2013.01); B32B 2451/00 (2013.01); B32B 2605/003 (2013.01)] | 18 Claims |
1. A composite sandwich panel comprising:
a core;
a first thermoplastic layer applied to a first side of the core; and
a second thermoplastic layer applied to a second side of the core,
wherein the core is a provided in the form of a wave board formed from natural fiber, and
wherein the wave board is a three-dimensional sheet having a regular repeating waveform pattern along at least one axis, the regular repeating waveform pattern including a plurality of peaks and a plurality of valleys, the valleys opposing the peaks, wherein the peaks are disposed adjacent to the first thermoplastic layer and the valleys are disposed adjacent to the second thermoplastic layer, and
wherein the three-dimensional sheet is a continuous structure.
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