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    • 4. 发明授权
    • Barrier film
    • 屏障电影
    • US07854994B2
    • 2010-12-21
    • US11665477
    • 2005-10-18
    • Rulande Henderson-RutgersMark FinkNicholas Roy Oakley
    • Rulande Henderson-RutgersMark FinkNicholas Roy Oakley
    • C08L3/00B32B27/18B32B27/22B32B27/30B32B27/36
    • B32B9/02B32B1/02B32B9/045B32B27/08B32B27/18B32B27/22B32B27/24B32B27/306B32B27/36B32B2250/24B32B2270/00B32B2307/308B32B2307/71B32B2307/7166B32B2307/7242B32B2307/7244B32B2439/60B32B2439/70B32B2553/023C08J3/18C08J2303/00C08K5/053C08K5/09C08K2201/008C08L3/02C08L3/04C08L3/06C08L3/08C08L23/0853C08L23/0861C08L29/04C08L31/04C08L71/02C08L2205/02C08L2205/03Y10T428/31786Y10T428/31797Y10T428/31913Y10T428/31971C08L2666/04C08L2666/02
    • A barrier composition which is injection mouldable and able to be made into a transparent film or incorporated (by co-extrusion and/or lamination) into multi-layer film products, the composition on dry basis: a) from 45 to 90% by weight of a starch and/or a modified starch selected from starches modified by reaction with a hydroxyl alkyl group, an acetate or a dicarboxylic acid anhydride or a grafting polymer; b) from 4 to 12% by weight of a water soluble polymer selected from polyvinyl alcohol, polyvinylacetate, and copolymers of ethylene and vinylalcohol which have a melting point compatible with the molten state of the starch components c) from 5 to 45% by weight of a non-crystallising mixture of sorbitol and at least one other plasticizer selected from glycerol, maltitol, xylitol, mannitol, glycerol trioleate, epoxidised linseed or soybean oil, tributyl citrate, acetyl tri-ethyl citrate, glyceryl triacetate, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate; polyethylene oxide or polyethylene glycol; d) from 0.3 to 2.5% by weight of a C12-22 fatty acid or salt; e) from 0.25% to 3% of an emulsifier system having a hydrophilic lipophilic balance value between 2 and 10. The barrier film may be co-injection moulded with polyethylene terephthalate (PET) or polylactic acid (PLA) for blow moulding into beverage bottles, with polyethylene (PE) or polypropylene (PP) or biodegradable polymers for high gas-barrier containers or closures, or may be co-extruded with polyethylene, polypropylene or polylactic acid for thin film packaging applications or for blow-moulded containers.
    • 一种阻隔组合物,其是可注射成型且能够制成透明膜或通过共挤出和/或层压结合到多层膜产品中的组合物,所述组合物以干基计:a)45至90重量% 的淀粉和/或选自通过与羟基烷基,乙酸酯或二羧酸酐或接​​枝聚合物反应改性的淀粉的改性淀粉; b)4至12重量%的选自聚乙烯醇,聚乙酸乙烯酯的水溶性聚合物和乙烯和乙烯醇的共聚物,其具有与淀粉组分的熔融状态相容的熔点c)5至45重量% 的山梨糖醇和至少一种选自甘油,麦芽糖醇,木糖醇,甘露糖醇,甘油三油酸甘油酯,环氧化亚麻籽油或大豆油的其它增塑剂的非结晶混合物,柠檬酸三丁酯,柠檬酸乙酰基三乙酯,柠檬酸甘油酯,2,2,4 - 三甲基-1,3-戊二醇二异丁酸酯; 聚环氧乙烷或聚乙二醇; d)0.3至2.5重量%的C 12-22脂肪酸或盐; e)0.25%至3%的亲水亲油平衡值在2至10之间的乳化剂体系。阻挡膜可以与聚对苯二甲酸乙二醇酯(PET)或聚乳酸(PLA)共注塑成型,用于吹塑成饮料瓶 ,聚乙烯(PE)或聚丙烯(PP)或可生物降解聚合物,用于高阻隔性容器或封闭物,或与聚乙烯,聚丙烯或聚乳酸共挤出用于薄膜包装应用或吹塑容器。
    • 6. 发明申请
    • Thermoplastic Starch and Synthetic Polymer Blends and Method of Making
    • 热塑性淀粉和合成聚合物共混物和制备方法
    • US20080287592A1
    • 2008-11-20
    • US11912045
    • 2006-04-28
    • Basil D. FavisZhenhua Yuan
    • Basil D. FavisZhenhua Yuan
    • C08L3/00B29C45/00
    • C08J3/005C08J5/18C08J2303/00C08J2323/06C08L3/02C08L23/04C08L23/06C08L2666/02C08L2666/06C08L2666/26
    • Disclosed herein is a composition of matter comprising a blend of discontinuous thermoplastic starch domains in a synthetic polymer, said composition of matter being characterized by an average diameter of thermoplastic starch domains of about 0.2 to about 1.5 microns. Also disclosed are compositions of matter comprising a blend of discontinuous thermoplastic starch domains in a synthetic polymer and being characterized by finished articles having key mechanical properties which are essentially maintained or in some cases improved over pure synthetic polymers. In yet another aspect, the present invention provides a method for making the material of the present invention. In a related aspect, the present invention provides the novel materials issued from the method of making the material. In other aspects, the present invention provides novel finished article compositions in the form of films or molded articles.
    • 本文公开了一种物质组合物,其包含在合成聚合物中的不连续热塑性淀粉结构域的共混物,所述物质组合物的特征在于约0.2至约1.5微米的热塑性淀粉结构域的平均直径。 还公开了包含合成聚合物中不连续热塑性淀粉结构域的共混物的物质组合物,其特征在于具有主要机械性能的成品,其基本上保持或在一些情况下比纯合成聚合物改进。 另一方面,本发明提供了制造本发明材料的方法。 在相关方面,本发明提供从制造该材料的方法发出的新型材料。 在其它方面,本发明提供了薄膜或模塑制品形式的新型成品组合物。
    • 9. 发明申请
    • Expandable starch-based beads and method of manufacturing molded articles therefrom
    • 可膨胀淀粉类珠粒及其制造模塑制品的方法
    • US20070021515A1
    • 2007-01-25
    • US11184614
    • 2005-07-19
    • Gregory GlennSimon Hodson
    • Gregory GlennSimon Hodson
    • C08J9/00
    • C08J9/125C08J2201/03C08J2303/00
    • An expandable starch-based composition includes a starch, a volatile blowing agent, a non-volatile plasticizer, nucleating agent, and a water-resistant polymer. The expandable starch-based composition can be characterized by having a plasticized starch capable of expanding when rapidly heated to above the boiling point of the volatile blowing agent and the softening point of the plasticized starch. The composition can be used in a method of manufacturing an expandable starch-based bead, wherein the method includes: introducing the composition into an extruder; heating and mixing the composition in order to yield a thermoplastic melt; extruding the thermoplastic melt through a die opening to yield an extruded strand; cooling the extruded strand; and cutting the cooled strand in to beads. The beads can be used in a method of manufacturing a biodegradable article, the method includes: providing a plurality of expandable starch-based beads; placing the beads into a mold cavity; rapidly heating the beads to a temperature greater than the boiling point of the volatile blowing agent; causing at least a portion of the expanded beads to adhere together to form an intermediate molded body; and cooling the intermediate molded body to yield the article of manufacture.
    • 一种可膨胀的淀粉基组合物包括淀粉,挥发性发泡剂,不挥发性增塑剂,成核剂和耐水聚合物。 可膨胀淀粉基组合物的特征在于具有当被快速加热到高于挥发性发泡剂的沸点以及增塑淀粉的软化点时能够膨胀的增塑淀粉。 该组合物可用于制造可膨胀淀粉基珠粒的方法,其中该方法包括:将组合物引入挤出机中; 加热和混合组合物以产生热塑性熔体; 通过模头挤出热塑性熔体以产生挤出的股线; 冷却挤出的股线; 并将冷却的线切割成珠。 珠粒可以用于制造可生物降解的制品的方法,该方法包括:提供多个可膨胀淀粉类珠粒; 将珠子放入模腔中; 将珠子快速加热至大于挥发性发泡剂沸点的温度; 使至少一部分发泡珠粒粘附在一起形成中间成型体; 并冷却中间成型体以产生制品。
    • 10. 发明授权
    • Biopolymer-based thermoplastic mixture for producing biodegradable shaped bodies
    • 用于生产可生物降解成形体的生物聚合物基热塑性混合物
    • US06406530B1
    • 2002-06-18
    • US09462524
    • 2000-03-13
    • Holger BengsGitte Böhm
    • Holger BengsGitte Böhm
    • C08L302
    • C08J5/18B65D65/466C08J2303/00C08K5/0016C08L3/00C08L89/005C08L97/005C08L97/007Y02A40/961Y02W90/11Y02W90/13C08L2666/02
    • Thermoplastic mixture based on biopolymers for producing shaped biodegradable articles with improved properties, preparation of the mixture, and also its use. A novel thermoplastic mixture based on biopolymers, in particular on starch, features the presence of lignin and is used for producing shaped biodegradable articles with improved properties, preferably with improved mechanical properties. The mixture is preferably obtained by preparing, and mixing with one another, A) 100 parts by weight of one or more physiologically nonhazardous, biodegradable, thermoplastically processable polymeric materials selected from the group consisting of polysaccharides and proteins, preferably at least one starch of any type which is native, chemically modified, fermentative, recombinant and/or prepared by biotransformation, and/or derivatives of the starches mentioned; B) from 10 to 100 parts by weight of water; C) from 1 to 100 parts by weight of lignin; D) if desired, up to 50 parts by weight of at least one plasticizer; and E) if desired, up to 200 parts by weight, preferably not more than 100 parts by weight, of other conventional additives; where the components are thermoplastified with introduction of thermal and mechanical energy into the mixture, preferably at an elevated temperature and with simultaneous exertion of shear forces onto the mixture. Surprisingly, the use of lignin with thermoplastic materials based on biopolymers, in particular based on starch, leads to improved thermoplastic materials which have advantages in particular in terms of their mechanical properties or other performance characteristics.
    • 基于用于生产具有改进性能的成型可生物降解制品的生物聚合物的热塑性混合物,混合物的制备及其用途。 基于生物聚合物,特别是淀粉的新型热塑性混合物特征在于木质素的存在,并且用于生产具有改进性能的成型可生物降解制品,优选具有改善的机械性能。 该混合物优选通过制备和彼此混合获得,A)100重量份的选自多糖和蛋白质的一种或多种生理学上非危险的,可生物降解的,热塑性可加工的聚合材料,优选至少一种任何 天然,化学修饰,发酵,重组和/或通过生物转化制备的类型和/或所述淀粉衍生物; B)10至100重量份的水; C)1至100重量份的木质素 ; D)如果需要,最多50重量份的至少一种增塑剂; 和E),如果需要,最多200重量份,优选不超过100重量份的其它常规添加剂;其中组分通过将热和机械能引入混合物中,优选在升高的温度下并同时进行热塑化 在混合物上施加剪切力。 令人惊奇的是,使用基于生物聚合物,特别是基于淀粉的热塑性材料的木质素导致改进的热塑性材料,其特别是在它们的机械性能或其它性能特征方面具有优点。