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    • 1. 发明申请
    • WATER-SENSITIVE FILM CONTAINING AN OLEFINIC ELASTOMER
    • 含有烯烃弹性体的水敏膜
    • WO2009138886A3
    • 2010-01-07
    • PCT/IB2009051331
    • 2009-03-30
    • KIMBERLY CLARK COSHI BOWANG JAMES HWIDEMAN GREGORY J
    • SHI BOWANG JAMES HWIDEMAN GREGORY J
    • C08J5/18A61F13/15B29D7/01C08L23/00C08L29/04
    • C08J5/18C08J2329/04C08K5/0016C08K5/053C08L1/284C08L23/08C08L23/0815C08L29/04C08L53/02C08L67/02C08L2666/24C08L2666/04
    • A film that is both elastic and water-sensitive (e.g., water-soluble, water-dispersible, etc.) in that it loses its integrity over time in the presence of water is provided. To achieve these dual attributes, the film contains an olefinic elastomer and a water-soluble polymer. Although these polymers are normally chemically incompatible due to their different polarities, the present inventors have discovered that phase separation may be minimized by selectively controlling certain aspects of the film, such as the nature of the polyolefin, water-soluble polymer, and other film components, the relative amount of the film components, and so forth. For example, certain water-soluble polymers may be selected that have a low molecular weight and viscosity to enhance their melt compatibility with nonpolar polyolefins. This, in turn, may result in a film that is generally free of separate phases, which would otherwise limit the ability of the water-soluble polymer to contact water and disperse.
    • 提供了具有弹性和水敏性(例如水溶性,水分散性等)的膜,因为它在水的存在下随时间失去其完整性。 为了实现这些双重属性,膜含有烯烃弹性体和水溶性聚合物。 虽然这些聚合物由于其极性不同而通常是化学上不相容的,但是本发明人已经发现,通过选择性地控制膜的某些方面,例如聚烯烃,水溶性聚合物和其它膜组分的性质,可以使相分离最小化 ,膜成分的相对量等。 例如,可以选择某些具有低分子量和粘度的水溶性聚合物,以提高它们与非极性聚烯烃的熔融相容性。 这又可能导致通常没有分离相的膜,否则这将限制水溶性聚合物与水接触并分散的能力。
    • 4. 发明申请
    • METHOD FOR FORMING POLYLACTIC ACID FIBERS
    • 形成聚酰亚胺纤维的方法
    • WO2009024837A1
    • 2009-02-26
    • PCT/IB2007/053353
    • 2007-08-22
    • KIMBERLY-CLARK WORLDWIDE, INC.HE, AiminWIDEMAN, Gregory, J.TOPOLKARAEV, Vasily, A.
    • HE, AiminWIDEMAN, Gregory, J.TOPOLKARAEV, Vasily, A.
    • D01F6/92
    • D01F6/92D01F1/10
    • A method of forming a polylactic acid fiber that involves the use of a macrocyclic ester oligomer to improve the crystallization properties of polylactic acid is provided. Without intending to be limited by theory, it is believed that the macrocyclic ester oligomer undergoes a ring-opening reaction during melt processing and thus converts to a low molecular weight linear crystal structure. These linear crystals may act as a nucleating "seed" for increasing the degree and rate of crystallization of polylactic acid, which improves its ability to be formed into fibers and webs. That is, polymers having a higher degree of melt and crystallization enthalpy are more readily able to bond at higher speeds and also have a lower degree of shrinkage, thereby improving web stability, tensile strength, and web aesthetics.
    • 提供了一种形成包含使用大环酯低聚物以改善聚乳酸的结晶性能的聚乳酸纤维的方法。 不期望受理论的限制,相信大环酯低聚物在熔融加工过程中经历开环反应,因此转化为低分子量线性晶体结构。 这些线性晶体可以作为成核“种子”,用于增加聚乳酸的结晶度和速率,这提高了其形成纤维和纤维网的能力。 也就是说,具有较高熔体和结晶焓的聚合物更容易能够以更高的速度粘合并且还具有较低的收缩率,从而提高幅材稳定性,拉伸强度和纤维网美观性。
    • 6. 发明申请
    • INJECTION MOLDING MATERIAL CONTAINING STARCH AND PLANT PROTEIN
    • 含淀粉和植物蛋白的注射成型材料
    • WO2010070470A2
    • 2010-06-24
    • PCT/IB2009/054733
    • 2009-10-26
    • KIMBERLY-CLARK WORLDWIDE, INC.WANG, James, H.WIDEMAN, Gregory, J.SHI, BoFUNK, Sara, A.
    • WANG, James, H.WIDEMAN, Gregory, J.SHI, BoFUNK, Sara, A.
    • C08L3/02C08L89/00C08L101/00B29C45/00
    • C08L23/06B29C45/0001B29K2105/16B29K2711/00B29K2995/006C08L1/00C08L3/00C08L3/02C08L23/02C08L23/04C08L23/10C08L89/00C08L2205/02C08L2207/066Y10T428/1348Y10T428/1352C08L2666/06C08L2666/26
    • An injection molding material that includes a renewable resin containing a combination of renewable polymers (e.g., starch and plant protein) and a plasticizer is provided. Although such compounds are normally difficult to process into thermoplastics, the present inventors have discovered that injection molding materials may nevertheless be formed by melt blending the renewable resin with a synthetic resin (e.g., polyolefin) while selectively controlling the nature of the resins and their relative concentrations. In this manner, a morphology may be achieved in which the renewable resin is present as a discontinuous phase that is dispersed within a continuous phase of the synthetic resin (e.g., "island-in-the-sea" morphology). The discontinuous and continuous phases may each constitute from about 30 vol.% to about 70 vol.%, and in some embodiments, from about 40 vol.% to about 60 vol.%. With such a morphology, the continuity of the synthetic resin can minimize the aggregate properties of the renewable resin such that the molding material possesses melt properties similar to that of the synthetic resin. Further, this morphology may also minimize the need to use different molding tools as the shrinkage properties of the overall composition may be substantially similar to that of the synthetic resin.
    • 提供包含含有可再生聚合物(例如淀粉和植物蛋白)和增塑剂的组合的可再生树脂的注塑材料。 尽管这些化合物通常难以加工成热塑性塑料,但是本发明人已经发现注塑材料可以通过将可再生树脂与合成树脂(例如聚烯烃)熔融共混来形成,同时选择性地控制树脂及其相对性质 浓度。 以这种方式,可以实现可再生树脂作为分散在合成树脂的连续相内的不连续相(例如,“海中岛”形态)存在的形态。 不连续相和连续相各自可以构成从约30体积%至约70体积%,并且在一些实施方案中从约40体积%至约60体积%。 通过这样的形态,合成树脂的连续性可以使可再生树脂的聚集性能最小化,使得模制材料具有与合成树脂类似的熔融性质。 此外,由于整个组合物的收缩性质可能与合成树脂的收缩性质基本相似,所以这种形态也可以最小化使用不同模塑工具的需要。
    • 9. 发明申请
    • INJECTION MOLDING MATERIAL CONTAINING STARCH AND PLANT PROTEIN
    • 注射成型材料含有淀粉和植物蛋白
    • WO2010070470A3
    • 2010-10-28
    • PCT/IB2009054733
    • 2009-10-26
    • KIMBERLY CLARK COWANG JAMES HWIDEMAN GREGORY JSHI BOFUNK SARA A
    • WANG JAMES HWIDEMAN GREGORY JSHI BOFUNK SARA A
    • C08L3/02B29C45/00C08L89/00C08L101/00
    • C08L23/06B29C45/0001B29K2105/16B29K2711/00B29K2995/006C08L1/00C08L3/00C08L3/02C08L23/02C08L23/04C08L23/10C08L89/00C08L2205/02C08L2207/066Y10T428/1348Y10T428/1352C08L2666/06C08L2666/26
    • An injection molding material that includes a renewable resin containing a combination of renewable polymers (e.g., starch and plant protein) and a plasticizer is provided. Although such compounds are normally difficult to process into thermoplastics, the present inventors have discovered that injection molding materials may nevertheless be formed by melt blending the renewable resin with a synthetic resin (e.g., polyolefin) while selectively controlling the nature of the resins and their relative concentrations. In this manner, a morphology may be achieved in which the renewable resin is present as a discontinuous phase that is dispersed within a continuous phase of the synthetic resin (e.g., "island-in-the-sea" morphology). The discontinuous and continuous phases may each constitute from about 30 vol.% to about 70 vol.%, and in some embodiments, from about 40 vol.% to about 60 vol.%. With such a morphology, the continuity of the synthetic resin can minimize the aggregate properties of the renewable resin such that the molding material possesses melt properties similar to that of the synthetic resin. Further, this morphology may also minimize the need to use different molding tools as the shrinkage properties of the overall composition may be substantially similar to that of the synthetic resin.
    • 提供了一种注射成型材料,其包括含有可再生聚合物(例如淀粉和植物蛋白)和增塑剂的组合的可再生树脂。 虽然这些化合物通常难以加工成热塑性塑料,但是本发明人已经发现,注射成型材料可以通过将可再生树脂与合成树脂(例如聚烯烃)熔融共混而形成,同时选择性地控制树脂的性质及其相对 浓度。 以这种方式,可以实现其中可再生树脂作为分散在合成树脂的连续相中的不连续相(例如“海岛”形态)存在的形态。 不连续和连续相可以各自构成约30体积%至约70体积%,在一些实施方案中为约40体积%至约60体积%。 通过这种形态,合成树脂的连续性可以使可再生树脂的聚集性能最小化,使得成型材料具有与合成树脂类似的熔体性质。 此外,由于整个组合物的收缩性能可以基本上类似于合成树脂的收缩特性,所以这种形态还可以最小化使用不同的模制工具的需要。