摘要:
A paper container is provided that allows the content to be checked, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. Furthermore, a paper container is provided that can be subjected to a retort sterilization process, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. A paper container formed of a laminate including at least a paper layer is provided. The paper layer has a cutout part that is covered with a gas barrier laminate. The gas barrier layer of the gas barrier laminate is formed of a composition containing a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group, and a hydrolysis condensation product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded. The -COO-groups contained in the at least one functional group are neutralized at least partly with a metal ion having a valence of two or more.
摘要:
A composite structure disclosed includes a base (X) and a layer (Y). The layer (Y) includes a mixture of a metal oxide (A), a phosphorus compound (B), and a compound (L a ) (silicon compound). Examples of the phosphorus compound (B) and the compound (L a ) include a compound containing a site capable of reacting with the metal oxide (A). When the number of moles of metal atoms (M) derived from the metal oxide (A) is denoted by N M and the number of moles of Si atoms derived from the compound (L a ) is denoted by N Si , 0.01 ‰¤ N Si /N M ‰¤ 0.30 is satisfied. When the number of moles of phosphorus atoms derived from the phosphorus compound (B) is denoted by Np, 0.8 ‰¤ N M /N P ‰¤ 4.5 is satisfied.
摘要:
A blow molded container including (A) a layer containing an ethylene-vinyl alcohol copolymer as a principal component, in which the layer (A) contains an unsaturated aldehyde, and the content of the unsaturated aldehyde in the layer (A) is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (II) is preferably an unsaturated aliphatic aldehyde. The unsaturated aldehyde (II) is preferably at least one selected from the group consisting of crotonaldehyde, 2,4-hexadienal and 2,4,6-octatrienal. The layer (A) preferably contains a conjugated polyene compound, and the content of the conjugated polyene compound in the layer (A) is preferably 0.01 ppm or more and 1,000 ppm or less.
摘要:
The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm -1 , the wave number (n 1 ) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm -1 .
摘要:
The method disclosed includes: a step (I) of preparing a dispersion liquid (S) including an aluminum compound (A); a step (II) of mixing the dispersion liquid (S) and a predetermined phosphorus compound (B) so as to prepare a coating liquid (U); a step (III) of applying the coating liquid (U) onto the base (X) so as to form a precursor layer of the layer (Y); and a step (IV) of subjecting the precursor layer to heat treatment at a temperature of 110°C or more so as to form the layer (Y). The aluminum compound (A) can be formed by adding an acid to a solution including an aluminate. The number of moles (N M ) of aluminum atoms derived from the aluminum compound (A) and the number of moles (N P ) of phosphorus atoms derived from the phosphorus compound (B) satisfy 0.8 ‰¤ (N M )/(N P ) ‰¤ 4.5.
摘要:
The present invention provides a gas barrier layered product exhibiting a high oxygen barrier property independent of humidity and having excellent transparency, and a method of manufacturing the same. The gas barrier layered product includes a base material and a layer stacked on the base material. The layer is formed of a composition includes: a hydrolyzed and condensed product of a compound (L) containing a metal atom to which at least one group selected from a halogen atom and an alkoxy group is bonded; a neutralized product of a polymer containing a functional group selected from a carboxyl group and a carboxylic anhydride group; and a compound (D). At least a part of a -COO- group contained in the at least one functional group is neutralized by a metal ion having a valence of two or more. The compound (L) includes at least one compound (A) in which an organic group having at least one characteristic group, selected from a halogen atom, a mercapto group and a hydroxyl group, further bonded to the metal atom. The compound (D) is a compound bonding to both the -COO- group of the neutralized product of the polymer and a group on the surface of the hydrolyzed and condensed product.