| abstract |
The invention discloses an integrally recyclable polyester foam sandwich composite board and a closed-loop production process thereof. The polyester foam sandwich composite board manufactured by the invention has adjustable thickness and density, the production process realizes 100 percent of complete utilization rate of production raw materials, and the polyester foam sandwich composite board is green, environment-friendly and sustainable, and the core layer and the skin layer are made of the same material, so the polyester foam sandwich composite board has good peel strength, is beneficial to reducing the integral gram weight of the composite board, is beneficial to light weight, can save the production cost and improve the production efficiency. |