Intermediate product for preparation of lignin polymers and use thereof for production of wood materials
    2.
    发明授权
    Intermediate product for preparation of lignin polymers and use thereof for production of wood materials 失效
    用于制备木质素聚合物的中间产物及其用于生产木材的用途

    公开(公告)号:US06280855B1

    公开(公告)日:2001-08-28

    申请号:US09341578

    申请日:1999-10-25

    IPC分类号: B32B2106

    摘要: The invention relates to an intermediate product for the preparation of polymerizates from lignin derivatives obtained from the cellulose industry. The intermediate product is produced by treating the lignin derivatives with enzymes capable of oxidizing phenol in the presence of oxidizing agents. According to the invention the lignin derivatives are subjected to the enzymatic treatment for more than 3 hours in the presence of air, or they are subjected to an enzymatic treatment for more than 10 min, whereby air or oxygen is introduced. The lignin polymers obtained from the polymerization of lignin derivatives performed in the presence of active intermediate products are suited for use in the production of binding agents for wood materials.

    摘要翻译: 本发明涉及从纤维素工业得到的木质素衍生物制备聚合物的中间产物。 通过在氧化剂存在下用能够氧化苯酚的酶处理木质素衍生物来生产中间产物。 根据本发明,木质素衍生物在空气存在下进行酶处理超过3小时,或者进行酶处理超过10分钟,从而引入空气或氧气。 在活性中间产物存在下进行的木质素衍生物的聚合得到的木质素聚合物适用于生产木质材料的粘合剂。

    Diffractive microstructure and a method of producing the same

    公开(公告)号:US10744704B2

    公开(公告)日:2020-08-18

    申请号:US12809510

    申请日:2008-12-17

    摘要: Diffractive microstructure comprising micro-protrusions or microgrooves or a combination thereof and method of producing the same. The microstructure is formed in a layer of a thermoplastic carbohydrate polymer or a polymer derived from a carbohydrate material, said polymer having a glass transition point of less than 210° C. The thermoplastic polymer is preferably selected from the group of native starch, dextrin, native hemicellulose, native cellulose, poly(lactic acid), polylactides, polycaprolactone, starch derivatives, dextrin derivatives, hemicellulose derivatives, cellulose derivatives, and mixtures thereof. The invention provides an inexpensive and reliable way of incorporating into the products safety markings, which allow for visual inspection or detection, such as holograms and barcodes.

    Adhesive for fiber boards
    5.
    发明授权
    Adhesive for fiber boards 失效
    纤维板粘合剂

    公开(公告)号:US06287708B1

    公开(公告)日:2001-09-11

    申请号:US09341579

    申请日:1999-11-09

    IPC分类号: B32B326

    摘要: An adhesive binder for bonding together lignocellulosic particles, fibers and flakes of vegetable origin to form particle boards, fiber boards, flake boards and similar wood-based products, comprising a solublized fraction obtained by enzymatic treatment of fibrous, lignocellulosic raw materials. The present binder can be obtained by treating fibrous lignocellulosic raw material with a hydrolytic enzyme in an aqueous medium, recovering the solubilized material of the enzymatic treatment, forming an aqueous suspension containing said material and an oxidase, and oxidizing said material in the presence of said oxidase by introducing oxygen-containing gas into the supension. This method thus produces an increased amount of a water-soluble fraction containing carbohydrates, extractives and lignin useful as an adhesive binder.

    摘要翻译: 用于将植物来源的木质纤维素颗粒,纤维和薄片粘合在一起的粘合剂粘合剂,以形成颗粒板,纤维板,薄片板和类似的木制产品,其包含通过纤维状木质纤维素原料的酶处理获得的溶解级分。 本发明的粘合剂可以通过在水性介质中用水解酶处理纤维状木质纤维素原料,回收酶处理的溶解物质,形成含有所述物质和氧化酶的含水悬浮液,并在所述物质存在下氧化所述物质 通过将含氧气体引入到超声中来进行氧化。 因此,该方法产生增加量的含有可用作粘合剂粘合剂的碳水化合物,提取物和木质素的水溶性级分。

    DIFFRACTIVE MICROSTRUCTURE AND A METHOD OF PRODUCING THE SAME
    10.
    发明申请
    DIFFRACTIVE MICROSTRUCTURE AND A METHOD OF PRODUCING THE SAME 审中-公开
    衍射微结构及其生产方法

    公开(公告)号:US20100327485A1

    公开(公告)日:2010-12-30

    申请号:US12809510

    申请日:2008-12-17

    摘要: Diffractive microstructure comprising micro-protrusions or microgrooves or a combination thereof and method of producing the same. The microstructure is formed in a layer of a thermoplastic carbohydrate polymer or a polymer derived from a carbohydrate material, said polymer having a glass transition point of less than 210° C. The thermoplastic polymer is preferably selected from the group of native starch, dextrin, native hemicellulose, native cellulose, poly(lactic acid), polylactides, polycaprolactone, starch derivatives, dextrin derivatives, hemicellulose derivatives, cellulose derivatives, and mixtures thereof. The invention provides an inexpensive and reliable way of incorporating into the products safety markings, which allow for visual inspection or detection, such as holograms and barcodes.

    摘要翻译: 包含微突起或微槽或其组合的衍射微结构及其制造方法。 微结构形成在热塑性碳水化合物聚合物层或衍生自碳水化合物材料的聚合物中,所述聚合物的玻璃化转变点小于210℃。热塑性聚合物优选选自天然淀粉,糊精, 天然半纤维素,天然纤维素,聚(乳酸),聚丙交酯,聚己内酯,淀粉衍生物,糊精衍生物,半纤维素衍生物,纤维素衍生物及其混合物。 本发明提供了一种便宜且可靠的方式,将产品安全标记整合到允许目视检查或检测的产品中,例如全息图和条形码。