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    • 3. 发明申请
    • WOOD PLASTIC COMPOSITES AND MANUFACTURING METHOD THEREOF
    • 木塑复合材料及其制造方法
    • WO2013151287A1
    • 2013-10-10
    • PCT/KR2013/002676
    • 2013-04-01
    • LG HAUSYS, LTD.
    • NAM, Kyung GuSON, Jung Il
    • B27M1/02B27N1/02C08K3/00C08L23/00
    • C08L97/02B29C43/003B29C45/0001B29C47/0004B29C47/0007B29K2001/00B29K2101/12C08L23/06C08L23/10C08L23/12C08L25/06C08L27/06C08L33/12C08L55/02C08L69/00C08L97/00
    • Disclosed therein are wood plastic composites and a manufacturing method thereof, which can provide a high discoloration resistance by removing lignin from wood flour which is a main material of the wood plastic composites. The method of manufacturing wood plastic composites includes the steps of: removing lignin contained in wood chips through a cooking process of high temperature and pressure; crushing the wood chip from which lignin was removed in order to produce wood flour; putting and mixing polymer resins and additives into the wood flour so as to manufacture mixture of a gel phase; and extrusion-molding, injection-molding or compression-molding the mixture to manufacture wood plastic composites. The wood plastic composites and the manufacturing method thereof can prevent decoloration and after-yellowing even though the wood plastic composites are exposed to UV or moisture for a long time to thereby enhance long-term weather resistance because the wood plastic composites are manufactured using wood flour from which lignin is removed through a cooking process.
    • 其中公开了木塑复合材料及其制造方法,其可以通过从作为木塑复合材料的主要材料的木粉中除去木质素来提供高的耐变色性。 制造木塑复合材料的方法包括以下步骤:通过高温和高压的烹饪过程去除木屑中所含的木质素; 破碎从中除去木质素的木屑,以生产木粉; 将聚合物树脂和添加剂放入和混合到木粉中,以制备凝胶相的混合物; 和挤出成型,注射成型或压缩成型混合物以制造木塑复合材料。 木塑复合材料及其制造方法即使木塑复合材料长时间暴露于紫外线或水分也能防止脱色和黄变,从而增强长期耐候性,因为木塑复合材料是使用木粉制造的 通过烹饪过程从中除去木质素。