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Ink composition for printing, paper container material using the ink composition, and heat insulating foamed paper container

一种油墨组合物、容器材料的技术，应用在食物加热容器、容器、油墨等方向，能够解决损害商品性、无法得到、无法读取条形码等问题，达到改善印刷层、表面平滑、外观优异的效果

Active Publication Date: 2011-02-23
NISSIN YORK +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the printed portion on the surface of the container, or the superimposed printed portion becomes a concave portion, resulting in a significant difference in height, and the smooth touch cannot be obtained, which impairs the merchandise, or the barcode cannot be read.

Method used

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  • Ink composition for printing, paper container material using the ink composition, and heat insulating foamed paper container
  • Ink composition for printing, paper container material using the ink composition, and heat insulating foamed paper container
  • Ink composition for printing, paper container material using the ink composition, and heat insulating foamed paper container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0157] 1. Preparation of white ink

[0158] By mixing 27.2 parts of polyurethane resin A obtained in Preparation Example 1, 40 parts of white pigment (titanium oxide, TITANIX JR800 (manufactured by TAYCA Co., Ltd.), and 67.2 parts of methylcyclohexane: isopropanol : Ethyl acetate = 40:40:20 (weight ratio) mixed solvent, using a sand mill to disperse and knead to prepare the white ink for the base.

[0159] 2. Preparation of red ink

[0160]By mixing 29.2 parts of polyurethane resin A obtained in Preparation Example 1, 15 parts of red pigment (LIONOL RED 6B FG-4300 (manufactured by Toyo Ink Manufacturing Co., Ltd.), and 47.2 parts of methyl ring Hexane: isopropanol: ethyl acetate=40:40:20 (weight ratio) after the mixed solvent of composition, utilize sand mill to disperse kneading, obtain varnish. Then, by adding 0.9 part Silica (Sylophobic 200, (Fuji Silicon Chemical Co., Ltd., particle size: 3.9 μm)) was thoroughly stirred to prepare a red ink for overlay printing.

[0161...

Embodiment 2～10， comparative example 1、2

[0188] Examples 2 to 10 and Comparative Example 1 were prepared in the same manner as in Example 1, except that the binder resin or binder resin mixture described in Table 2 was used instead of polyurethane resin A in Example 1. , 2 white ink and red ink. However, for the red ink of Example 9, no silica was added. In addition, with regard to Example 10, after printing the white ink of the first layer as the bottom layer on the entire surface, the white ink of the second layer is pattern-printed, and the non-printed area other than the pattern-printed part with the white ink of the second layer is further printed. red ink, thus forming a Figure 4 As an example, the printed layer (white / white and white / red) is formed in which the printed surface is composed of two layers.

[0189] Thereafter, the same operation was carried out as in Example 1, and the paper container materials with overlapping printing layers produced in Examples 2 to 10 and Comparative Examples 1 and 2 were ...

Embodiment 11

[0191] Except that 0.9 parts by weight of silicon dioxide (Sylophobic 200, (Fuji Silicon Chemical Co., Ltd., particle size 3.9 μm)) used in Example 5 was changed to silicon dioxide with a larger particle size (SYLYSIA470, Fuji Silicon Chemical Co., Ltd., particle size 14 μm) 4 weight parts, carry out the same operation as Example 5, and prepare the ink composition. Then, use the prepared ink composition, carry out the same operation as Example 1, and make a The paper container material of the printing layer was carried out in the same manner as in Example 1, and the foaming followability, foaming appearance, abrasion resistance and heat resistance of the printing layer were evaluated. The results are shown in Table 2 below.

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Abstract

Disclosed is a printing ink that does not cause a difference in level on a low-Mp resin film foamed face upon printing on the low-Mp resin film in a laminated form with the ink in producing a heat insulating foamed paper container obtained by heating a paper container comprising a container body part comprising a high-melting thermoplastic synthetic resin film laminated onto the inner face of the body part and a low-melting thermoplastic synthetic resin film (a low-Mp resin film) laminated onto the outer face of the body part to foam the low-Mp resin film. Specifically, there is provided an ink composition for foamed paper container printing, comprising a colorant, a binder resin, and a solvent. The binder resin is a resin having an elongation of 400% to 3,000% as measured with a small-size tensile tester manufactured by INTESCO Co., Ltd. under conditions of tensile speed 100 mm / min and room temperature (25 DEG C). The binder resin preferably comprises a urethane resin and a vinyl chloride / vinyl acetate copolymer at a ratio of 50 : 50 to 99 : 1. More preferably, the urethane resin is a polyurethane urea resin. The solvent to be used is a nonaromatic solvent.

Description

technical field [0001] The present invention relates to a printing ink composition, a paper container material using the same, and a foamed heat insulating paper container. More specifically, the present invention relates to the film used for the above-mentioned paper container material having a thermoplastic synthetic resin film having a heat-insulating layer formed by foaming by heat treatment during manufacture of heat-insulating foamed paper containers, An ink composition forming a printing layer that provides a smooth surface with excellent foam followability, less unevenness, and suppresses cracks in the ink film; and a paper container material and heat-insulating foam paper using the same making containers. The heat-insulating foamed paper container having a printed layer composed of the ink composition of the present invention can be suitably used as a food container containing high-temperature or low-temperature liquid because it exhibits excellent heat-insulation pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D81/34B65D81/38C09D11/02B32B1/00C09D11/033C09D11/037
CPCC08G18/755C08G18/4854C08G18/6674C09D11/037C08L75/04B65D81/3874C09D11/102C08G18/12Y10T428/131Y10T428/1372Y10T428/24934Y10T428/1321Y10T428/1317Y10T428/1352Y10T428/24893Y10T428/1376Y10T428/1303Y10T428/31971Y10T428/31551Y10T428/31993C08G18/285C08G18/3234C08L2666/06
Inventor 松崎学塚胁博平田光明杉浦伸弥川岛大幸
Owner NISSIN YORK
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