Method for preparing lightweight high-strength composite material by utilization of paper-based honeycomb panel and wood plastic composite material
A technology for high-strength composite materials and wood-plastic composite materials, which is applied in the field of preparing light-weight and high-strength composite materials, can solve the problems of high preparation cost, easy water absorption and deformation, inconvenient use, etc., and achieves low carbon and good waterproof performance during production and use. , the effect of structural stability
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specific Embodiment approach 1
[0013] Specific embodiment one: the present embodiment utilizes paper honeycomb board and wood-plastic veneer to prepare the side of light-weight high-strength composite material to carry out as follows: one, paper honeycomb board is placed in the container that fills phenolic resin glue and dipped for 2min, Take it out and stretch it out, then put it in an oven, heat it at 130-160°C for 5-10 minutes, then sand the upper and lower surfaces to remove the resin layer on the surface and expose the paper fibers to obtain a paper core board;
[0014] 2. Use a steel brush to roughen one side of the wood-plastic sheet vertically and horizontally to break the plastic layer on the surface;
[0015] 3. Roll-coat a layer of isocyanate glue or epoxy resin glue on the upper and lower surfaces of the paper core board and the roughened surface of the wood-plastic sheet;
[0016] 4. Take two wood-plastic veneers to cover the upper and lower surfaces of the paper core board respectively, and t...
specific Embodiment approach 2
[0020] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, heating at 130° C. for 10 minutes. Other steps and parameters are the same as those in Embodiment 1.
specific Embodiment approach 3
[0021] Embodiment 3: This embodiment is different from Embodiment 1 in that in Step 1, heating is performed at 160° C. for 5 minutes. Other steps and parameters are the same as those in Embodiment 1.
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