摘要:
The present invention makes it possible to provide a film exhibiting an excellent oxygen-gas barrier properties and an excellent moisture proofness, the film containing at least a multivalent metal salt of a polycarboxylate-based polymer (A), the film having the density which is not lower than 1.80 g/cm3; the surface ratio α [the peak surface S1 (3700 to 2500 cm−1)/the peak surface S2 (1800 to 1500 cm−1)] of an infrared absorption spectrum which is not larger than 2.5; and the peak ratio β [the peak A1 (1560 cm−1)/the peak A2 (1700 cm−1)] of the infrared absorption spectrum which is not smaller than 1.2, by means of applying a solution containing the polycarboxylate-based polymer (A) and the multivalent metal compound (B) to a substrate, thus obtaining a dried film, and thereafter treating the dried film with heat under predetermined conditions. Accordingly, the present invention makes it possible to provide packaging materials and packaging containers for not only foods which are required not to contact an oxygen gas, but also foods, beverages, chemicals, pharmaceuticals, and precision metal parts such as electronic parts, as well as members of electronic equipment, all of which are required to be protected from moisture.
摘要:
The present invention makes it possible to provide a film exhibiting an excellent oxygen-gas barrier properties and an excellent moisture proofness, the film containing at least a multivalent metal salt of a polycarboxylate-based polymer (A), the film having the density which is not lower than 1.80 g/cm3; the surface ratio α [the peak surface S1 (3700 to 2500 cm−1)/the peak surface S2 (1800 to 1500 cm−1)] of an infrared absorption spectrum which is not larger than 2.5; and the peak ratio β [the peak A1 (1560 cm−1)/the peak A2 (1700 cm−1)] of the infrared absorption spectrum which is not smaller than 1.2, by means of applying a solution containing the polycarboxylate-based polymer (A) and the multivalent metal compound (B) to a substrate, thus obtaining a dried film, and thereafter treating the dried film with heat under predetermined conditions. Accordingly, the present invention makes it possible to provide packaging materials and packaging containers for not only foods which are required not to contact an oxygen gas, but also foods, beverages, chemicals, pharmaceuticals, and precision metal parts such as electronic parts, as well as members of electronic equipment, all of which are required to be protected from moisture.
摘要:
A multi-layer film having a layer structure that a polyvalent metal compound-containing layer adjoins one side or both sides of a polymer layer containing a carboxyl group-containing polymer and a polyvalent metal salt of the carboxyl group-containing polymer, wherein the polymer layer has a concentration gradient structure that the concentration of the polyvalent metal salt of the carboxyl group-containing polymer in the polymer layer is continuously reduced in the thickness-wise direction from a surface adjoining the polyvalent metal compound-containing layer, and a peak ratio A1560/A1700 as determined on the basis of an infrared absorption spectrum of the polymer layer is at least 0.25.
摘要:
To provide a stretch-formed multilayer container with excellent oxygen-gas barrier properties even in a high humidity atmosphere, which is obtained by stretching a multilayer sheet or a multilayer preform, which contains at least one layer made of a mixture of a polycarboxylic acid-based polymer (B) and a plasticizer (C) and at least one layer made of a mixture of a multivalent metal compound (D) and a resin (E), from 1.1 to 100 times its area draw ratio.
摘要:
An object of the invention is to provide a heat-shrinkable multi-layer film including a layer formed of a poly(carboxylic acid) polymer (A), a layer formed of a polyvalent metal compound (B), and a heat-shrinkable support film. The invention provides a heat-shrinkable multi-layer film including a heat-shrinkable support film (base film) and, on at least one surface of the base film, at least one layer structure including a layer (a) formed of a poly(carboxylic acid) polymer (A) and a layer (b) formed of a polyvalent metal compound (B), the layers (a) and (b) being in contact with each other, and the multi-layer film exhibiting a percent thermal shrinkage of 3 to 90%. The invention also provides a packaged product obtained by packaging an object with the heat-shrinkable multi-layer film, and a heat-shrinkable label.
摘要:
To provide a stretch-formed multilayer container with excellent oxygen-gas barrier properties even in a high humidity atmosphere, which is obtained by stretching a multilayer sheet or a multilayer preform, which contains at least one layer made of a mixture of a polycarboxylic acid-based polymer (B) and a plasticizer (C) and at least one layer made of a mixture of a multivalent metal compound (D) and a resin (E), from 1.1 to 100 times its area draw ratio.
摘要:
A multi-layer film having a layer structure that a polyvalent metal compound-containing layer adjoins one side or both sides of a polymer layer containing a carboxyl group-containing polymer and a polyvalent metal salt of the carboxyl group-containing polymer, wherein the polymer layer has a concentration gradient structure that the concentration of the polyvalent metal salt of the carboxyl group-containing polymer in the polymer layer is continuously reduced in the thickness-wise direction from a surface adjoining the polyvalent metal compound-containing layer, and a peak ratio A1560/A1700 as determined on the basis of an infrared absorption spectrum of the polymer layer is at least 0.25.
摘要翻译:一种多层膜,其具有含有多价金属化合物的层与包含含羧基聚合物的聚合物层和所述含羧基聚合物的多价金属盐的一侧或两侧相邻的层结构,其中,所述聚合物 层具有浓度梯度结构,聚合物层中的含羧基聚合物的多价金属盐的浓度在与含多价金属化合物的层相邻的表面的厚度方向上连续减少,峰值比 基于聚合物层的红外吸收光谱确定的1560 / A 1700是至少0.25。
摘要:
A multi-layer film having a layer structure that a polyvalent metal compound-containing layer adjoins one side or both sides of a polymer layer containing a carboxyl group-containing polymer and a polyvalent metal salt of the carboxyl group-containing polymer, wherein the polymer layer has a concentration gradient structure that the concentration of the polyvalent metal salt of the carboxyl group-containing polymer in the polymer layer is continuously reduced in the thickness-wise direction from a surface adjoining the polyvalent metal compound-containing layer, and a peak ratio A1560/A1700 as determined on the basis of an infrared absorption spectrum of the polymer layer is at least 0.25.
摘要翻译:一种多层膜,其具有含有多价金属化合物的层与包含含羧基聚合物的聚合物层和所述含羧基聚合物的多价金属盐的一侧或两侧相邻的层结构,其中,所述聚合物 层具有浓度梯度结构,聚合物层中的含羧基聚合物的多价金属盐的浓度在与含多价金属化合物的层相邻的表面的厚度方向上连续减少,峰值比 基于聚合物层的红外吸收光谱确定的1560 / A 1700是至少0.25。
摘要:
An aqueous polymerizable monomer composition including an α,β-unsaturated carboxylic acid monomer and a polyvalent metal ion in an amount sufficient to neutralize 10 to 90% of a carboxyl group of the α,β-unsaturated carboxylic acid monomer in the form of a solution or dispersion in water in an amount of 20 to 85% by weight based on the whole amount of the composition, a gas barrier film including an ionically crosslinked polycarboxylic acid polymer film formed by subjecting a coating film of the aqueous polymerizable monomer composition to a polymerization treatment and having an oxygen transmission rate of at most 50×10−4 cm3(STP)/(m2·s·MPa) as measured under conditions of a temperature of 30° C. and a high relative humidity of 80%, and a production process of the film.
摘要翻译:包含α,β-不饱和羧酸单体和多价金属离子的水溶性可聚合单体组合物,其量足以中和α,β-不饱和羧酸单体的羧基的10〜90%,其形式为 基于组合物的总量为20〜85重量%的水中的溶液或分散体,包含通过将含水可聚合单体组合物的涂膜进行处理而形成的离子交联的多元羧酸聚合物膜的阻气膜 在温度30℃,高相对湿度80%的条件下测定的透氧率为50×10 -4 cm 3以下(STP)/(m 2·s·MPa)的聚合处理, 和电影的制作过程。
摘要:
Gas barrier multilayer structure precursors are not clouded even when exposed to cold water and have excellent abuse resistance. Gas barrier multilayer structures are obtained from the gas barrier multilayer structure precursors.A gas barrier multilayer structure precursor includes a support and a gas barrier layer precursor formed on the support, the gas barrier layer precursor including a layer (A) and a layer (B), the layer (A) including a polycarboxylic acid polymer and a silicon-containing compound (i) derived from a silane coupling agent represented by Formula (1) below, the weight ratio of the polycarboxylic acid polymer and the silicon-containing compound (i) being in the range of 99.5:0.5 to 80.0:20.0, the layer (B) including a polyvalent metal compound, the layer (A) analyzed by a transmission method showing an infrared absorption spectrum in which the maximum peak height (α) in the range of 1490 to 1659 cm−1 and the maximum peak height (β) in the range of 1660 to 1750 cm−1 have a ratio (α/β) of less than 1. A gas barrier multilayer structure is obtained by subjecting the gas barrier multilayer structure precursor to retort treatment, boil treatment or humidity conditioning treatment. Si(OR)3Z (1)