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    • 4. 发明申请
    • NATURAL PRODUCTS COMPOSITES
    • 天然产品复合材料
    • WO2004094120A1
    • 2004-11-04
    • PCT/EP2004/050498
    • 2004-04-13
    • CIBA SPECIALTY CHEMICALS HOLDING INC.STADLER, Urs, LeoCAPOCCI, Gerald, AnthonyLI, Sheng-ShingREYES, MelindaHERBST, Heinz
    • STADLER, Urs, LeoCAPOCCI, Gerald, AnthonyLI, Sheng-ShingREYES, MelindaHERBST, Heinz
    • B27K3/52
    • B27N3/002
    • Disclosed are natural products composites protected against the deleterious effects of microorganisms comprising at least one natural product, at least one thermoplastic resin, and an antifungal agent. The composites are further advantageously protected against weathering and color formation by the incorporation therein of at least one light stabilizer and at least one compound selected from the group consisting of the oxides, hydroxides or silicates of Ca, Mg, Al and Zn. The light stabilizers are selected from the group consisting of the ultraviolet light absorbers and the sterically hindered amines. The metal oxide is for example CaO. The natural products are for example wood flour, flax, hemp, jute, kenaf, or rice husk. The thermoplastic resin is for example polyethylene or polypropylene. The antifungal agent and potential coadditives are incorporated via melt processing such as extrusion, co-kneading, pultrusion and injection molding. The antifungal agent is for example thiabendazole.
    • 公开了保护免受包含至少一种天然产物,至少一种热塑性树脂和抗真菌剂的微生物的有害影响的天然产物复合材料。 通过加入至少一种光稳定剂和至少一种选自Ca,Mg,Al和Zn的氧化物,氢氧化物或硅酸盐的化合物,进一步有利地防止了复合材料的耐风化和着色。 光稳定剂选自紫外光吸收剂和空间位阻胺。 金属氧化物例如为CaO。 天然产物例如是木粉,亚麻,大麻,黄麻,洋麻,或稻壳。 热塑性树脂例如是聚乙烯或聚丙烯。 抗真菌剂和潜在的共添加剂通过熔融加工如挤出,共捏合,拉挤成型和注塑成型。 抗真菌剂是例如噻苯达唑。