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Label capable of effectively improving light blocking performance of bottled beverage packaging, and production and application of label

A light-blocking and labeling technology, which is applied in the field of applications, labels and its preparation, can solve the problems of poor light-blocking effect of light-blocking labels, achieve good lamination effect, good wear resistance, and enhanced heat resistance and friction resistance Effect

Active Publication Date: 2021-11-30
HANGZHOU WAHAHA PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problem of poor light-blocking effect of existing light-blocking labels, provide a label that can effectively improve the light-blocking performance of bottled beverage packaging and its preparation and application, and adapt to PETG light-blocking milky white by preparing inks that can be cured step by step The heating and shrinking process of the heat shrinkable film avoids the separation of the base layer and the ink layer. In addition, by adjusting the components added to the ink, the overall heat resistance and friction resistance of the ink can be enhanced. Finally, the PETG light-blocking opalescent heat shrinkable film and the ink layer can be separated. Cooperating to maximize the overall light-blocking performance of the entire label

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0038] The preparation process of the modified talc powder is as follows: dissolving polyacrylamide in ethanol, adding talc powder and stirring evenly, adding azobisisobutyronitrile dropwise, heating to 60-70°C and ultrasonicating for 40-50min, filtering, washing and After drying, it is obtained; the mass ratio of polyacrylamide, talcum powder and azobisisobutyronitrile is 1:1-1.4:0.2-0.4.

[0039] The preparation process of the modified copper chrome black is as follows: dissolving diisooctyl sodium sulfosuccinate in ether, adding copper chrome black powder, heating to 45-55°C and ultrasonicating for 45-60min, filtering, washing and drying, That is, the mass ratio of diisooctyl sodium sulfosuccinate and copper chromium black powder is 1:1.5-2.

[0040] The preparation method of the label that can effectively improve the light-blocking performance of bottled beverage packaging includes the following preparation steps:

[0041] (1) Plate making: laser engraving on the black pl...

Embodiment 1

[0048] A label that can effectively improve the light-blocking performance of bottled beverage packaging. The label includes a base layer and an ink layer arranged on the back of the base layer, and the thickness of the ink layer is 0.065 times that of the base layer. The base layer is a PETG light-blocking opalescent heat-shrinkable film, the thickness of the base layer is 30 μm, and the ink layer is black. The width d of the overlapping area on the opposite side of the non-coated ink layer on the PETG light-blocking opal heat shrinkable film is 5.2 mm, and the width m of the exposed white of the folded palm is 7 mm.

[0049] The ink layer is obtained by curing and drying the ink, and the ink includes in parts by weight: 45 parts of skeleton body material, 22 parts of methacrylamide, 18 parts of vinylene carbonate, 1.3 parts of 2-isopropylthioxanthone 3 parts of benzoyl peroxide, 10 parts of modified talc, 16.5 parts of modified copper chrome black, 9 parts of 2,6-di-tert-but...

Embodiment 2

[0061] A label that can effectively improve the light-blocking performance of bottled beverage packaging. The label includes a base layer and an ink layer arranged on the back of the base layer, and the thickness of the ink layer is 0.05 times that of the base layer. The base layer is a PETG light-blocking opalescent heat-shrinkable film, the thickness of the base layer is 30 μm, and the ink layer is black. The width d of the overlapping area on the opposite side of the non-coated ink layer on the PETG light-blocking opal heat shrinkable film is 4.5 mm, and the width m of the exposed white of the folded palm is 6 mm.

[0062] The ink layer is obtained by curing and drying the ink, and the ink includes in parts by weight: 40 parts of the skeleton body material, 20 parts of methacrylamide, 15 parts of vinylene carbonate, 1 part of 2-isopropylthioxanthone 2 parts, 2 parts of benzoyl peroxide, 8 parts of modified talc, 15 parts of modified copper chrome black, 8 parts of 2,6-di-te...

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Abstract

The invention relates to the technical field of beverage packaging, and discloses a label capable of effectively improving light blocking performance of bottled beverage packaging, and production and an application of the label aiming at the problem that an existing light blocking label is poor in light blocking effect. The label comprises a substrate layer and an ink layer arranged on the back surface of the substrate layer, and the thickness of the ink layer is 0.05-0.08 time that of the substrate layer; and the substrate layer is a PETG light blocking milky-white heat shrinkage film, the thickness of the substrate layer is larger than or equal to 20 micrometers, and the ink layer is black. The printing ink capable of being cured step by step is prepared to adapt to the heating shrinkage process of the PETG light blocking milky-white heat shrinkage film, separation of the substrate layer and the ink layer is avoided, in addition, the overall heat resistance and friction resistance of the printing ink are enhanced by adjusting the added components of the printing ink, and finally, through the cooperation of the PETG light blocking milky-white heat shrinkage film and the ink layer, the light-blocking performance of the whole label is ensured to the maximum extent.

Description

technical field [0001] The invention relates to the technical field of beverage packaging, in particular to a label capable of effectively improving the light-blocking performance of bottled beverage packaging, as well as its preparation and application. Background technique [0002] The light-blocking black and white film label adopts multi-layer extrusion blowing technology. The outer layer is white and the inner layer is black. The color is uniform and has good light-blocking properties. ) film material, for bottled products, products with low shrinkage ratio are prone to label wrinkles, flanging problems and other quality problems; and the price of black and white film labels is high, which is 1.5 times the price of ordinary white film labels. In this method, solid black ink is printed on the back of the white film label, and the high light absorption of the black ink is used to reduce the light passing through the label so as to achieve the purpose of light blocking. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F3/02B41M1/30B65C3/08B65C9/26B65C9/24
CPCG09F3/02G09F3/0286B41M1/30B65C3/08B65C9/26B65C9/24G09F2003/0261G09F2003/0273Y02W30/80
Inventor 徐雯范伟明王健段绘叶郭太松印雄飞
Owner HANGZHOU WAHAHA PRECISION MACHINERY
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