A wood-plastic composite material based on waste polymer materials and modified straws and a preparation method thereof
By modifying waste polymer materials and straw powder, Schiff base reaction is used to improve the compatibility and dispersibility of wood fibers and thermoplastics, solving the problem of poor dispersion uniformity of wood fibers in composite materials and achieving comprehensive performance improvement of wood-plastic composites.
CN122255649APending Publication Date: 2026-06-23JIANGXI RUIJING HONGXING IND
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGXI RUIJING HONGXING IND
- Filing Date
- 2026-05-07
- Publication Date
- 2026-06-23
Smart Images
Figure CN122255649A_ABST
Abstract
The present application relates to a kind of wood-plastic composite based on waste polymer material and straw modification and its preparation method, belong to polymer composite technical field.The present application will have greater steric hindrance and branched chain pinna enter waste polyethylene segment, and pyridine aldehyde group structure is introduced into polyethylene segment, again with the soybean straw powder of amino polypropylene glycol surface graft and the wheat straw powder of amino poly sulfur rubber surface graft are bonded together by Schiff base reaction, the complex formed contains a large number of pyridine groups and Schiff base groups, and soybean straw powder and wheat straw powder are connected with polyethylene segment with the polypropylene glycol segment of better flexibility and poly sulfur rubber segment, by modification, wood-plastic composite with good comprehensive performance is prepared, realize the efficient use of waste polymer material and agricultural straw.
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