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    • 1. 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。
    • 2. 发明申请
    • Film and process for producing the same
    • 电影和制作过程相同
    • US20050131162A1
    • 2005-06-16
    • US10511893
    • 2003-04-23
    • Hideaki TanakaHiroyuki ObaMasahiro IbaYamazakiTomohisa Hasegawa
    • Hideaki TanakaHiroyuki ObaMasahiro IbaYamazakiTomohisa Hasegawa
    • B32B27/06B32B27/08C08J5/18C08J7/04C08F20/02
    • 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。
    • 5. 发明授权
    • Gas barrier laminate and production process thereof
    • 阻气性层压板及其制造方法
    • US5560988A
    • 1996-10-01
    • US378215
    • 1995-01-25
    • Hiroyuki ObaHideaki TanakaTomoaki SatoTomohisa HasegawaKazuhiko Hirose
    • Hiroyuki ObaHideaki TanakaTomoaki SatoTomohisa HasegawaKazuhiko Hirose
    • B65D65/40B29C71/02B29K33/00B29L7/00B32B27/30C08J7/04C08L29/04C08L33/02
    • C08L29/04C08J7/047C08L33/02C08J2429/00C08J2433/00Y10T428/2958Y10T428/31913Y10T428/3192Y10T428/31928
    • A gas barrier laminate having a laminated structure of at least two layers includes a gas barrier film (A) formed from a mixture containing polyvinyl alcohol and poly(meth)acrylic acid or a partially neutralized product thereof in a weight ratio ranging from 95:5 to 10:90, and having an oxygen permeability constant of 1.25.times.10.sup.-3 ml(STP).multidot.cm/m.sup.2 .multidot.h.multidot.atm{Pa} or smaller as measured under conditions of 30.degree. C. and 80% relative humidity, and a layer (B) formed from a thermoplastic resin. The film (A) and layer (B) are laminated contiguously to each other. A process for the production of a gas barrier laminate having a laminated structure of at least two layers comprises a step of forming a gas barrier film (A) having an oxygen permeability constant of 1.25.times.10.sup.-3 ml(STP).multidot.cm/m.sup.2 .multidot.h.multidot.atm{Pa} or smaller as measured under conditions of 30.degree. C. and 80% relative humidity, wherein a solution containing polyvinyl alcohol and poly(meth)acrylic acid or a partially neutralized product thereof in a weight ratio ranging from 95:5 to 10:90 is cast on a layer (B) formed from a thermoplastic resin, the solution cast is dried to form a film, and the dry film is then subjected to a heat treatment at a temperature of at least 100.degree. C. (373 K). The gas barrier film (A) and the layer (B) are contiguous to each other.
    • 具有至少两层的叠层结构的阻气性层叠体包括由含有聚乙烯醇和聚(甲基)丙烯酸的混合物或其部分中和物形成的阻气膜(A),其重量比为95:5 至10:90,并且在30℃和80%相对湿度的条件下测量的氧气渗透常数为1.25×10 -3 ml(STP)×cm / m 2×h×(t Pa)或更小,形成层(B) 来自热塑性树脂。 膜(A)和层(B)彼此相邻地层叠。 制备具有至少两层的叠层结构的阻气性层压体的方法包括形成氧气渗透常数为1.25×10 -3 ml(STP)×cm / m 2×h×(Pa)的阻气膜(A)的工序 }或更小,在30℃和80%相对湿度的条件下测量,其中包含聚乙烯醇和聚(甲基)丙烯酸或其部分中和产物的溶液的重量比为95:5至10:90 浇铸在由热塑性树脂形成的层(B)上,将溶液流延干燥以形成膜,然后在至少100℃(373K)的温度下对干膜进行热处理。 阻气膜(A)和层(B)彼此邻接。