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    • 5. 发明公开
    • OXYGEN-ABSORBING RESIN COMPOSITIONS, OXYGEN-ABSORBING FILM, AND OXYGEN-ABSORBING MULTILAYER STRUCTURE
    • SAUERSTOFFABSORBIERENDE HARZZUSAMMENSETZUNGEN,SAUERSTOFFABSORBIERENDER FILM UND SAUERSTOFFABSORBIERENDE MEHRSCHICHTSTRUKTUR
    • EP1950251A1
    • 2008-07-30
    • EP06822453.4
    • 2006-10-27
    • Zeon Corporation
    • KITAHARA, ShizuoTERAISHI, Kazuo
    • C08L101/00B32B27/00C08J5/18C08L15/00C08L45/00C08L65/00
    • B32B27/08A23L3/3436C08L9/00C08L15/00C08L23/0807C08L23/0823C08L25/06C08L2666/04C08L2666/02
    • [PROBLEMS] To provide an oxygen absorbing resin composition which is excellent in oxygen absorption at room temperature, reduced in metal content, and reduced in odor emission after oxygen absorption; an oxygen-absorbing film comprising one of the oxygen-absorbing resin compositions; and an oxygen-absorbing multilayer structure including an oxygen-absorbing layer comprising one of the oxygen-absorbing resin compositions.
      [MEANS FOR SOLVING PROBLEMS] One of the oxygen-absorbing resin compositions comprises a resin (A1) having a C-H bond in which the bond dissociation energy is at most 3.70 eV and a resin (B1) having a C-H bond in which the bond dissociation energy is larger than 3.70 eV but at most 4.20 eV. The other composition comprises a resin (A2) having a C-H bond capable of yielding a carbon radical in which the energy of reaction with oxygen is at most 10.0 kcal/mol and a resin (B2) having a C-H bond capable of yielding a carbon radical in which the energy of reaction with oxygen is larger than 10.0 kcal/mol but at most 22.0 kcal/mol.
    • 本发明提供一种氧吸收性树脂组合物,其在室温下的氧吸收性优异,金属含量降低,氧吸收后的臭气发生减少; 包含氧吸收性树脂组合物之一的氧吸收膜; 以及包含氧吸收层的氧吸收性多层结构,所述氧吸收层包含氧吸收性树脂组合物之一。 [解决问题的手段]氧吸收性树脂组合物中的一种包含具有键解离能最多为3.70eV的CH键的树脂(A1)和具有键键解离的CH键的树脂(B1) 能量大于3.70eV,但最多为4.20eV。 另一种组合物包含具有能够产生与氧的反应能为至多10.0kcal / mol的碳自由基的CH键的树脂(A2)和具有能够产生碳自由基的CH键的树脂(B2) 其中与氧反应的能量大于10.0kcal / mol,但至多为22.0kcal / mol。
    • 8. 发明公开
    • OXYGEN-ABSORBING BARRIER RESIN COMPOSITION, FILM COMPRISING THE SAME, MULTILAYER STRUCTURE, AND PACKAGING CONTAINER
    • 吸氧阻隔树脂组合物含有这种薄膜,复合结构和包装容器
    • EP1947147A1
    • 2008-07-23
    • EP06822454.2
    • 2006-10-27
    • Zeon Corporation
    • KITAHARA, ShizuoKURAKATA, MakoISHIHARA, Jun c/o ZEON CORPORATION
    • C08L101/12B65D65/40C08J5/18
    • B32B27/00C08L23/0861Y10T428/1379Y10T428/1383Y10T428/24994Y10T428/254Y10T428/31917Y10T428/31928C08L2666/20
    • [PROBLEMS] To provide an oxygen-absorbing barrier resin composition which has excellent oxygen-barrier properties even under high-humidity conditions and can give a multilayer structure having excellent peel strength; an oxygen-absorbing barrier film comprising the oxygen-absorbing barrier resin composition; a multilayer structure including a layer comprising the oxygen-absorbing barrier film; and a packing container comprising the multilayer structure.
      [MEANS FOR SOLVING PROBLEMS] The oxygen-absorbing barrier resin composition comprises a resin (A) having an oxygen permeability of at most 100 cc/m 2 ·day·atm and a resin (B) having an oxygen absorption rate of at least 0.001 cc/cm 2 ·day, wherein the resin (B) is dispersed in the matrix of the resin (A) and the resin (B) is in the form of rods in which the average of the maximum diameters of cross sections perpendicular to the lengthwise direction is at most 1.0 µm. The resin (B) preferably is a product of cyclization of a conjugated diene polymer, the cyclization product having an unsaturated bond reduction ratio of at least 10 %.
    • [问题]为了提供吸氧阻隔树脂组合物,即使在高湿度条件下具有优异的阻氧性,并且可以得到具有优异的剥离强度的多层结构; 吸氧阻隔薄膜,其包含氧吸收阻挡性树脂组合物; 多层结构包括含有吸氧阻隔成膜的层; 和包装容器,其包括多层结构。 [解决问题的手段]该吸氧阻隔树脂组合物含有树脂(A),其具有上至多为100cc / m 2·天·大气压的透氧性和树脂(B)具有以下各项中的至少0001氧吸收速度 立方厘米/厘米2·天,worin树脂(B)分散在树脂(A)的基质中,树脂(B)是在杆中哪一个的横截面的最大合适直径的平均值垂直于的形式 长度方向为至多1.0微米。 所述树脂(B)优选是共轭聚合物的环化的产物服务,以至少10%的不饱和键减少率具有环化产物。