Positioning embossment colorful local transfer paper cup packaging material and preparation method thereof

A technology of packaging materials and bright colors, which is applied in the field of positioning embossed colorful round transfer paper cup packaging materials and its preparation, can solve the problem of poor anti-leakage and waterproof functions of paper, non-degradable PE materials, and non-compliance with the development trend of packaging environmental protection, etc. problems, to achieve the effect of customizable patterns, promotion of development and innovation, and low energy consumption

Active Publication Date: 2020-06-23
SHANGHAI ZIJIANG METALLIZATION ENVIRONMENTAL PROTECTION MATERIAL +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Compared with plastic, paper is more environmentally friendly, more degradable and reusable, but the anti-leakage and waterproof functions of paper itself are poor, so in recent years, coated paper materials have been widely used in food packaging materials
At present, the coating process used in China mainly uses PE polyethylene materials as raw materials, but PE materials cannot be degraded together with paper, which is not in line with the future development trend of packaging environmental protection

Method used

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  • Positioning embossment colorful local transfer paper cup packaging material and preparation method thereof
  • Positioning embossment colorful local transfer paper cup packaging material and preparation method thereof

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Embodiment

[0040] like figure 1 As shown, a positioning embossed colorful paper cup packaging material, including PLA coating layer 1, base paper layer 2, adhesive layer 3, metal aluminum layer 4, holographic laser information layer 5, Transfer paint layer 6 and colorful varnish layer 7. The holographic laser information layer contains anti-counterfeiting laser patterns and positioning cursors. The anti-counterfeiting laser patterns include multi-angle diffraction, single beam relief, 3D true color holography, three-dimensional color lenses and white light hyperbolic lens laser patterns. The depth of the laser patterns is 0.5~ 5 μm. The performance of the packaging material is non-permeable, and the brightness value L of the product as a whole is ≥ 89; lead (Pb) ≤ 3.0mg / kg; arsenic (As) ≤ 1.0mg / kg; formaldehyde ≤ 1.0mg / dm 2 ; Potassium permanganate consumption ≤ 40mg / kg.

[0041] The thickness of the PLA coating layer 1 is 8-10 μm, and the weight of the base paper layer 2 is 150-280 g...

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Abstract

The invention relates to a positioning embossment colorful local transfer paper cup packaging material and a preparation method thereof. The paper cup packaging material comprises a PLA laminating layer, a base paper layer, an adhesive layer, a metal aluminum layer, a holographic laser information layer, a transfer coating layer and a colorful gloss oil layer which are sequentially compounded frombottom to top. Compared with the prior art, false adhesion between the lamination layer and the gloss oil layer of the paper cup can be avoided; meanwhile, the paper cup packaging material has laserpatterns such as multi-angle diffraction, single-beam embossment, 3D true color holography, a stereoscopic color lens and a white light double-curvature lens, has anti-counterfeiting and environment-friendly effects, is an environment-friendly green packaging material, can present free gradient colors under different light rays, and meets the requirements of different designs and different colorsof the cup body of the paper cup.

Description

technical field [0001] The invention relates to the technical field of packaging materials, in particular to a packaging material for positioning embossed colorful round-rotating paper cups and a preparation method thereof. Background technique [0002] In the field of health and safety, in order to deal with various problems such as food oxidative deterioration, bacterial growth, external odor infiltration, and food deterioration and loss of original flavor due to moisture, people put forward higher safety requirements for material application and development. During the "Tenth Five-Year Plan" period of the Ministry of Science and Technology, while maintaining continuous, rapid and healthy development in the field of plastic packaging materials, in addition to meeting the quality requirements of different packaged foods, resource conservation is also required. Easy to recycle or easy to be degraded by the environment as the starting point, and develop towards the field of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/10D21H27/30B65D65/40
CPCD21H27/10D21H27/30B65D65/40Y02W90/10
Inventor 陈洋朱立纲喻方清刘伟汤龙
Owner SHANGHAI ZIJIANG METALLIZATION ENVIRONMENTAL PROTECTION MATERIAL
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