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    • 4. 发明授权
    • Film and process for producing the same
    • 电影和制作过程相同
    • US07476712B2
    • 2009-01-13
    • US10511893
    • 2003-04-23
    • Hideaki TanakaHiroyuki ObaMasahiro YamazakiTomohisa Hasegawa
    • Hideaki TanakaHiroyuki ObaMasahiro YamazakiTomohisa Hasegawa
    • C08F8/42C08F20/04C08F20/06
    • B32B27/06B32B27/08B32B27/28B32B2250/40B32B2307/7244C08J7/045C08J2367/02
    • The invention is directed to a film which comprises a poly(carboxylic acid) polymer and a polyvalent metal compound, which is endowed with excellent gas barrier property against, for example oxygen, which has such resistance that the appearance, shape, and gas-barrier properties are not impaired by neutral water, high-temperature water vapor, or hot water; a laminate produced by use of the film; and a process for producing the film or laminate industrially conveniently at low cost. The film or laminate of the present invention is suitable for use as a package, packaging container, or vacuum insulation material for articles which are apt to be deteriorated by oxygen, etc., such as foods, beverages, chemicals, medicines, and metallic precision parts; e.g., electronic parts. Furthermore, there can be provided a packaging material suitable for use with articles which are required to be reliably insulated from gases for prolonged periods and should be treated under high-temperature, hot-water conditions as in boiling or pressurized high-temperature sterilization.
    • 本发明涉及一种包含聚(羧酸)聚合物和多价金属化合物的膜,该聚合物和多价金属化合物具有优于例如氧气的阻气性,其具有外观,形状和气体阻隔性 性能不受中性水,高温水蒸气或热水的影响; 使用该膜制造的层压体; 以及以低成本方便地生产膜或层压板的方法。 本发明的薄膜或层压材料适用于容易被氧等劣化的制品的包装,包装容器或真空绝热材料,例如食品,饮料,化学药品,药物和金属精密度 部分; 例如电子部件。 此外,可以提供适合与需要长时间可靠地与气体绝缘的制品一起使用的包装材料,并且应在沸腾或加压的高温灭菌中的高温,热水条件下进行处理。
    • 10. 发明申请
    • OIL DRILLING AUXILIARY DISPERSION
    • 油钻辅助分散
    • US20130252854A1
    • 2013-09-26
    • US13878606
    • 2011-10-14
    • Shunsuke AbeNanako SaigusaMasahiro YamazakiHiroyuki Sato
    • Shunsuke AbeNanako SaigusaMasahiro YamazakiHiroyuki Sato
    • C09K8/12
    • C09K8/588C09K8/12C09K8/5086C09K8/512C09K8/70C09K8/885C09K2208/08C09K2208/18
    • A dispersion liquid for supporting oil drilling, including: an aqueous medium and a particulate solid polyglycolic acid resin dispersed in the aqueous medium; wherein the particulate polyglycolic acid resin has a weight-average molecular weight of at least 70,000 and at most 500,000, and exhibits weight retentivities in water at 80° C. of at least 85% after 12 hours, at most 80% after 72 hours, and at most 45% after 168 hours. The particulate solid polyglycolic acid resin included in the above-mentioned dispersion liquid for supporting oil drilling, functions as a fluidity control material exhibiting ideal degradation characteristics in the drilling operation for expansion of oil production capacity, demanded for suppressing the liquid permeability in the early stage and recovery of the liquid permeability after completion of the operation of the formation around the oil well.
    • 一种用于支撑石油钻井的分散液,包括:水性介质和分散在水性介质中的颗粒状固体聚乙醇酸树脂; 其特征在于,所述粒状聚乙醇酸树脂的重均分子量为70,000以上且500,000以下,12小时后,80℃下的水分重量保持率为85%以上,72小时后为80%以上, 168小时后最多45%。 上述用于支撑油钻井的分散液中包含的颗粒状固体聚乙醇酸树脂用作在用于膨胀油生产能力的钻井操作中表现出理想的降解特性的流动性控制材料,需要在早期抑制液体渗透性 并且在油井周围操作完成后恢复液体渗透性。