Patent classifications
B32B2439/60
RESIN COMPOSITION, MELT-FORMING MATERIAL, MULTILAYER STRUCTURE, AND LIQUID PACKAGING MATERIAL
A resin composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) a styrene thermoplastic elastomer; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the resin composition. The resin composition is resistant to coloration.
Laminated packaging material, packaging containers manufactured therefrom and a method for manufacturing the laminate material
The present invention relates to a laminated cellulose-based liquid or semi-liquid food packaging material, comprising a brown or dark bulk layer from non-bleached, cellulose-based material, an outside substrate layer having a white print surface to hide the dark colour of the bulk layer, and on the inside an oxygen barrier layer and an innermost heat sealable layer. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.
CURABLE POLYMERIC COATINGS FOR FUNCTIONAL SURFACE PREPARATIONS
The present invention is directed to a curable polymer comprising: a base acrylic monomer (monomer A); a monomer with bioactive functionality (monomer B); a monomer containing a cross-linker (monomer C). The present invention also relates to a method of making a polymer coating on a solid support. The present invention also relates to a method of preserving a product.
ETHYLENE-VINYL ALCOHOL COPOLYMER COMPOSITION, MELT-FORMING MATERIAL, AND MULTILAYER STRUCTURE
An ethylene-vinyl alcohol copolymer composition is provided, which is resistant to coloration. The ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) sorbic acid; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein sorbic acid (B) and the sorbic acid ester (C) are present in a weight ratio (B)/(C) of 100 to 100,000.
Packing container having excellent slipping property for the content
A packing container featuring markedly improved slipping property and non-adhering property for its contents. In the packing container filled with a content (7), at least part of the surface that comes in contact with the content (7) is a liquid-permeable surface (1) which holds a lubricating liquid (5) different from the content (7).
GLYCOLIC ACID POLYMER
The invention pertains to an improved branched glycolic acid copolymer, comprising recurring units derived from an aromatic dicarboxylic acid, which has an appropriate rheological profile so as to be successfully used in combination with standard polyester resins for obtaining multi-layer containers having thin barrier layers.
Ethylene-vinyl alcohol copolymer composition, pellets, multilayer structure, and production method for ethylene-vinyl alcohol copolymer composition
An ethylene-vinyl alcohol copolymer composition can be formed into a product having very few minute fisheyes. The ethylene-vinyl alcohol copolymer composition comprises: an ethylene-vinyl alcohol copolymer; and an iron compound; wherein the ethylene-vinyl alcohol copolymer is a saponification product of an ethylene-vinyl ester copolymer prepared by using an organic compound having a half-life of 10 to 300 minutes at 60 C. as a polymerization initiator; wherein an amount of the iron compound is 0.001 to 2 ppm in terms of a metal by weight of the ethylene-vinyl alcohol copolymer composition.
Humidity control container
A synthetic resin humidity control container has a storing chamber that contains contents and a pinch-off portion on the bottom of the container, the wall of the container including an innermost layer that defines a storing chamber, an outermost layer that is disposed outside the innermost layer and moisture absorption layers that are disposed between the innermost layer and the outermost layer and contain a hygroscopic inorganic filler, the innermost layer being made of a material having an MFR of less than 2.0.
Multilayered article and multilayered container
Provided are a multilayered article and a multilayered container excelling in oxygen barrier properties, delamination resistance, and transparency. The multilayered article has a polyester resin layer and a barrier layer. The polyamide resin contained in the barrier layer includes (A) a polyamide resin derived from xylylenediamine and adipic acid, (B) a polyamide resin derived from xylylenediamine, a linear aliphatic dicarboxylic acid, and isophthalic acid, and as necessary, (C) a polyamide resin derived from hexamethylenediamine, isophthalic acid, and terephthalic acid, and (D) an aliphatic polyamide resin. In the barrier layer, a ratio of the mass of the polyamide resin (A) to the total mass of the polyamide resin (B) and the polyamide resin (C) is from 98:2 to 15:85, the total content of the polyamide resin (A) and the polyamide resin (B) is 60 mass % or more, the content of the polyamide resin (B) is from 1 to 65 mass %, and the content of the aliphatic polyamide resin (D) is from 3 to 40 mass %.
Hollow plastic object, particularly preform, resp. container, with a polymer barrier and manufacturing method thereof
The invention relates to a hollow article with rigid walls (18 98), surrounding an enclosed space (19, . . . , 99) that occupies the interior of the hollow article (10, . . . , 90), made of a primary plastic base material (1) in which there is provided a secondary plastic material (2), consisting of a polymer, characterized in that this secondary polymer (2) is formed by a first component (A), being a cyclic diisocyanate as a cyclic compound, with an aromatic or optionally an aliphatic structure, and by at least one additional component (B), wherein this secondary plastic material (2) forms a barrier (12, . . . , 92) in the hollow article (10, . . . , 90), and method for producing thereof.