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Beverage container

A container and beverage technology, applied in containers, rigid containers, packaging, etc., can solve problems such as poor appearance, insufficient gas shielding, low transparency, etc.

Inactive Publication Date: 2012-06-13
TOYO INK SC HOLD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, general polyester resin bottles have poor gas-shielding properties and have the problem of deteriorating the contents
As a solution, there are techniques for covering moldings with carbon films (for example, JP-A-8-53116 and JP-A-2000-309324), techniques for coating with silicon films, and blending aromatic nylon with polyester resins. The technology or the multi-layer technology with a separate gas barrier layer, although the gas shielding property is sufficient, the ultraviolet shielding property is not sufficient
Moreover, the particulate iron oxide particles disclosed in Japanese Patent Publication No. 5-81623 have high thermal coagulation properties, so there will be a poor appearance due to pigment aggregation, low transparency, and aggregation during processing and molding. There are voids around the iron oxide so that the gas shielding property is not sufficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0078] Although the present invention is specifically described using examples, the present invention is not limited to these examples. In the examples, parts and % represent parts by weight and % by weight, respectively.

[0079] The materials used in this example are shown in Table 1, the α-iron oxide is shown in Table 2, the composition of the polyester resin masterbatch is shown in Table 3, and the composition of the beverage container is shown in Table 4. Table 5 shows the results of the evaluation test.

[0080] Table 1

[0081]

[0082] α-iron oxide

[0083] The α-iron oxide was pulverized with a jet mill (fluid used: compressed air), and a surface treatment agent was added to obtain iron oxide-1-2. The untreated was made into iron oxide-3. The polyol and organopolysiloxane are added simultaneously. By changing the treatment weight of iron oxide and the supply concentration or supply flow rate of the treatment agent by a known method, the coating amount of each...

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Abstract

A beverage container produced by forming a colored molding resin containing a molding resin and a master batch, characterized in that the master batch contains (A) polyester resin, (B) surface-treated a-ferric oxide obtained by coating non-acicular a-ferric oxide of 0.01 to 0.06 m average particle diameter and 0.2 to 1.0 aspect ratio with a polyhydric alcohol and an organopolysiloxane, (C) metalsalt of oxycarboxylic acid and (D) methine dye, and that the beverage container has part exhibiting a = 500 nm light transmittance of = 1%.

Description

technical field [0001] The present invention relates to containers for beverages. Preferably, the beverage container has transparency to the extent that the amount of the contents can be easily recognized, shields the contents from ultraviolet rays or even visible rays of 500 nm or less, and has excellent surface smoothness. Background technique [0002] Polyester resin bottles have excellent heat resistance, weather resistance, and low cost, so they can take advantage of favorable characteristics such as transparency, appearance, light weight, and safety, and can replace glass bottles, increasing their use in food, beverages, Cosmetic containers and other uses. [0003] Existing glass bottles for beverages such as beer and liquor have a brownish hue in order to impart ultraviolet shielding properties. In recent years, since store business hours have become longer, products that have been illuminated for a long period of time may cause odors or discoloration of the content...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/00C08J3/22C08K5/098C08K9/04B65D1/00
CPCC08K5/098C08J3/226C08J2467/00C08J2367/02C08K5/0041
Inventor 小杉亘井口昭义泽田诚司小林贤一
Owner TOYO INK SC HOLD CO LTD