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    • 51. 发明专利
    • Laminated film
    • 层压膜
    • JP2009226870A
    • 2009-10-08
    • JP2008078025
    • 2008-03-25
    • Unitika Ltdユニチカ株式会社
    • YANO TAKUMAKURE ZOKUNSHIBA YOSHITO
    • B32B27/32C09J123/26C09J167/00C09J175/04
    • PROBLEM TO BE SOLVED: To provide a laminated film having satisfactory interlayer adhesiveness with respect to lamination of polypropylene film and sealant resin.
      SOLUTION: In the laminated film prepared by laminating a sealant layer on at least one surface of the polypropylene film via an adhesive layer, the adhesive layer comprises a mixture of: an acid-modified polyolefin resin (A) which contains a (meth)acrylic ester component and has an unsaturated carboxylic acid content of 0.01 to 5.0 mass%; and a thermoplastic resin (B) of a glass transition temperature of 5°C or less, wherein the mass ratio (A)/(B) is in the range of 99/1 to 20/80.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种层压膜,其对于聚丙烯膜和密封剂树脂的层压具有令人满意的层间粘合性。 解决方案:在通过粘合剂层在聚丙烯膜的至少一个表面上层压密封剂层制备的层压膜中,粘合剂层包括以下混合物:酸改性聚烯烃树脂(A),其含有( 甲基)丙烯酸酯成分,不饱和羧酸含量为0.01〜5.0质量% 和玻璃化转变温度为5℃以下的热塑性树脂(B),其中质量比(A)/(B)在99/1〜20/80的范围内。 版权所有(C)2010,JPO&INPIT
    • 52. 发明专利
    • Packaging material
    • 用于包装的材料
    • JP2008230198A
    • 2008-10-02
    • JP2007076912
    • 2007-03-23
    • Unitika Ltdユニチカ株式会社
    • SHIBA YOSHITOYANO TAKUMA
    • B32B27/32B65D65/40
    • PROBLEM TO BE SOLVED: To provide a packaging material having an excellent resistance to various content.
      SOLUTION: In a method for producing the packaging material, the packaging material is produced by laminating a barrier layer, an adhesive layer, and a sealant layer in turn. The adhesive layer is made of an acid-modified polyolefin resin having a melt flow rate at 190°C and under 2,160 g load of 50 g/min or below. The quantity of the adhesive layer is 0.001-5 g/m
      2 . On the barrier layer, the adhesive layer made of the acid-modified polyolefin resin is formed so that its quantity is 0.001-5 g/m
      2 . Next, a molten sealant resin is laminated on the adhesive layer by extrusion lamination.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有优异的耐各种含量的包装材料。 解决方案:在制造包装材料的方法中,包装材料依次层压阻挡层,粘合剂层和密封剂层来制造。 粘合剂层由熔体流动速率为190℃,2,160g负荷为50g / min以下的酸改性聚烯烃树脂制成。 粘合剂层的量为0.001-5g / m 2。 在阻挡层上形成由酸改性聚烯烃树脂制成的粘合剂层,其量为0.001-5g / m 2。 接下来,通过挤出层压将熔融的密封树脂层压在粘合剂层上。 版权所有(C)2009,JPO&INPIT
    • 56. 发明专利
    • Coating material for secondary battery separator, secondary battery separator, and secondary battery
    • 二次电池分离器,二次电池分离器和二次电池的涂层材料
    • JP2014194928A
    • 2014-10-09
    • JP2014035448
    • 2014-02-26
    • Unitika Ltdユニチカ株式会社
    • YANO TAKUMAHIGUCHI ERIYOSHINAGA TERUMASA
    • H01M2/16
    • PROBLEM TO BE SOLVED: To provide: a coating material excellent in adhesion between a porous base material and inorganic particles; and a secondary battery separator and a secondary battery, excellent in heat resistance.SOLUTION: A coating material for a secondary battery separator is a coating material to be coated on a porous base material, the coating material being an aqueous dispersion in which an acid modified polyolefin resin (A) containing a methacrylate ester component and inorganic particles (B) are dispersed in an aqueous medium. A secondary battery separator is obtained by laminating a porous layer formed by coating the coating material for a secondary battery separator on at least one surface of a porous base material.
    • 要解决的问题:提供:多孔基材与无机粒子之间的粘合性优异的涂布材料; 以及耐热性优异的二次电池隔板和二次电池。解决方案:二次电池隔板用涂料是涂覆在多孔基材上的涂料,涂料是水分散体,其中酸改性 含有甲基丙烯酸酯成分和无机粒子(B)的聚烯烃树脂(A)分散在水性介质中。 通过在多孔基材的至少一个表面上层叠通过将二次电池隔膜用涂料涂布而形成的多孔层,来获得二次电池隔膜。
    • 57. 发明专利
    • Laminate for a packaging material, method for manufacturing the same, and packaging material
    • 用于包装材料的层压材料,其制造方法和包装材料
    • JP2014148068A
    • 2014-08-21
    • JP2013017071
    • 2013-01-31
    • Unitika Ltdユニチカ株式会社
    • YANO TAKUMASHIBA YOSHITOYOSHINO TAKEMASA
    • B32B27/32B65D65/40
    • PROBLEM TO BE SOLVED: To provide a laminate for a packaging material unlikely to entail, when processed into a packaging material, the deterioration of the adhesive strength between a thermoplastic resin film and a sealant layer even if a content likely to entail the deterioration of the adhesive strength is packaged thereby, unlike to entail the wrinkling of heat-sealed border portions, and unlikely to entail the adsorption of content components on the adhesive layer; a method for efficiently obtaining the laminate; and a packaging material using the laminate.SOLUTION: In a laminate obtained by laminating at least a thermoplastic resin film, an adhesive layer, and a sealant layer in proper order, the adhesive layer comprises: an acid-modified polyolefin resin (A); polyvinyl alcohol (B); and a resin (C) consisting of at least either selected from between a polyurethane resin (c1) and a polyester resin (c2) while including respectively specified quantities of the polyvinyl alcohol (B) and the resin (C).
    • 要解决的问题:为了提供一种用于包装材料的叠层体,当加工成包装材料时,即使有可能导致热塑性树脂薄膜和密封剂层的劣化的含量,热塑性树脂膜和密封剂层之间的粘合强度也会恶化 因此粘合强度不同于热封边界部分的皱纹,并且不太可能使内容物成分吸附在粘合剂层上; 一种有效获得层压体的方法; 以及使用该层压体的包装材料。粘合剂层包括:酸改性聚烯烃树脂(A);在通过层压至少热塑性树脂膜,粘合剂层和密封剂层的层压体中,粘合剂层包括:酸改性聚烯烃树脂(A) 聚乙烯醇(B); 和由选自聚氨酯树脂(c1)和聚酯树脂(c2)中的至少一种组成的树脂(C),同时分别指定量的聚乙烯醇(B)和树脂(C)。
    • 58. 发明专利
    • Laminate for a packaging material and method for manufacturing the same as well as packaging material
    • 用于包装材料的层压材料和用于制造包装材料的方法
    • JP2014144570A
    • 2014-08-14
    • JP2013013778
    • 2013-01-28
    • Unitika Ltdユニチカ株式会社
    • YANO TAKUMASHIBA YOSHITOYOSHINO TAKEMASA
    • B32B27/30B32B7/12B32B27/32B65D65/40C09J7/02C09J11/06C09J123/26C09J129/04
    • PROBLEM TO BE SOLVED: To provide a laminate for a packaging material resistant, even if a content matter likely to entail an adhesive strength loss between the thermoplastic resin film and sealant layer of a packaging material processed therefrom is packaged, to the adhesive strength loss, resistant to the wrinkling of heat-sealed border portions, and resistant to the adsorption of content components on the adhesive layer thereof; a method for efficiently obtaining the laminate; and a packaging material processed by using the laminate.SOLUTION: The provided laminate for a packaging material is a laminate obtained by laminating a thermoplastic resin film, an adhesive layer, and a sealant layer in this order. The adhesive layer includes an acid-modified polyolefin resin (A), polyvinyl alcohol (B), and a crosslinking agent (C). The polyvinyl alcohol (B) is included within a range of 0.1-10 parts.mass with respect to 100 parts.mass of the acid-modified polyolefin resin (A), and 0.1-30 parts.mass of the crosslinking agent (C) is included with respect to 100 parts.mass of the combined sum of (A) and (B) (A+B).
    • 要解决的问题:为了提供一种耐包装材料的层压材料,即使将热塑性树脂膜和其加工的包装材料的密封剂层之间的粘合强度损失容易地包含在内的物质被包装,粘合强度损失, 耐热密封边界部分的皱纹,并且耐受内容物成分在其粘合剂层上的吸附; 一种有效获得层压体的方法; 以及通过使用层压体加工的包装材料。解决方案:提供的用于包装材料的层压体是通过依次层压热塑性树脂膜,粘合剂层和密封剂层获得的层压体。 粘合剂层包括酸改性聚烯烃树脂(A),聚乙烯醇(B)和交联剂(C)。 相对于100重量份的酸改性聚烯烃树脂(A),聚乙烯醇(B)的含量为0.1-10重量份,交联剂(C)为0.1-30重量份, 相对于(A)和(B)(A + B)的合并总和的100分之几,包括在内。
    • 60. 发明专利
    • Method of manufacturing laminated body
    • 制造层压体的方法
    • JP2012176555A
    • 2012-09-13
    • JP2011040776
    • 2011-02-25
    • Unitika Ltdユニチカ株式会社
    • YANO TAKUMASHIBA YOSHITO
    • B32B37/20B05D7/24B32B27/00B32B27/32C08J7/04C09J11/08C09J123/00
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminated body excellent in interlayer adhesion properties.SOLUTION: The method of manufacturing the laminated body includes: a first process of forming an adhesive layer by applying an aqueous dispersion containing a polyolefin copolymer to at least a part of a surface of a substrate (A); a second process of irradiating microwave onto the adhesive layer; and a third process of pressure-bonding of other substrate (B) on a surface of the adhesive layer. The aqueous dispersion preferably contains further a tackifier component, and it is preferable that the adhesive layer is heated to a temperature of 50°C or more by irradiating microwave in the second process.
    • 待解决的问题:提供层间粘合性优异的叠层体的制造方法。 层压体的制造方法包括:通过将含有聚烯烃共聚物的水性分散体涂布在基材(A)的表面的至少一部分上而形成粘合剂层的第一工序; 将微波照射到粘合剂层上的第二种方法; 以及其它基板(B)在粘合剂层的表面上的压接的第三工序。 水分散体优选还含有增粘剂成分,优选通过在第二工序中照射微波将粘合剂层加热至50℃以上的温度。 版权所有(C)2012,JPO&INPIT