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Ultralow-temperature single PP recyclable biscuit packaging film and production process thereof

A production process and packaging film technology, applied in the field of ultra-low temperature single PP recyclable biscuit packaging film, can solve the problems of high heat sealing temperature and difficult recycling of packaging films, achieve high heat sealing strength, facilitate recycling and reuse, and improve the overall barrier. performance effect

Pending Publication Date: 2022-04-15
HUANGSHAN NOVEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above technical problems, the present invention provides an ultra-low temperature single PP recyclable biscuit packaging film and its production process, which solves the problems in the prior art that the packaging film is not easy to recycle and the heat sealing temperature is high

Method used

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  • Ultralow-temperature single PP recyclable biscuit packaging film and production process thereof
  • Ultralow-temperature single PP recyclable biscuit packaging film and production process thereof
  • Ultralow-temperature single PP recyclable biscuit packaging film and production process thereof

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Embodiment 1

[0030] S1. Casting process: Casting process: according to the formula composition of the VMCPP film in the packaging film, the materials in the corona layer, intermediate layer and heat-sealing layer of the CPP film are weighed according to the stated component ratio, and then the electrical The components of the halo layer, the middle layer and the heat-sealing layer are respectively added to the multi-layer co-extrusion casting machine, and the CPP film is obtained by three-layer co-extrusion molding; after the casting process, the CPP film is cooled and matured Place it for 72 hours and then carry out the treatment of aluminum plating process; during the casting process, high-voltage online corona treatment is carried out during the casting process, so that the surface Diane value can reach more than 38;

[0031]

[0032] Among them, the corona layer is made of binary copolymerized PP particles with the brand name RD265CF produced by Borouge Company, polycycloolefin with ...

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Abstract

The invention provides an ultralow-temperature single-PP recyclable biscuit packaging film and a production process thereof, and belongs to the technical field of packaging. The packaging film comprises a BOPP printing film and a VMCPP film which are tightly attached, and the VMCPP film comprises a corona layer, a middle layer and a heat sealing layer which are sequentially stacked. The BOPP / VMCPP composite membrane prepared by the invention is a single PP material, is convenient to recycle, is simpler to recycle and process, and can better reduce environmental pollution and protect the environment; meanwhile, the composite film starts to be sealed at 70 DEG C, and compared with an existing packaging material, the sealing temperature is lowered by 35 DEG C, so that in the packaging process, energy consumption is low, more energy is saved, the heat sealing interval is wide, the heat sealing strength is high, and packaging can be conducted on a packaging machine more easily and conveniently; the composite film is low in melting point, the overall air tightness of a product can be improved, the situation of air leakage is avoided, and the requirement of a high-speed automatic packaging machine is met.

Description

technical field [0001] The technical field of packaging of the present invention specifically relates to an ultra-low temperature single PP recyclable biscuit packaging film and its production process. Background technique [0002] Biscuits are a convenient delicacy that people like. In addition to satisfying hunger, they can also be eaten as snacks. Compared with bread and cakes, they have unique advantages, such as: storage resistance, easy to carry, and can be used as travel food. However, once the biscuits absorb moisture, the biscuits will soften. Therefore, in biscuit packaging, moisture-proof is the most important. Secondly, some biscuits contain oil, which is easy to oxidize. This is also a key consideration in the packaging process, so a sealed shading package should be used. [0003] At present, the main packaging materials for air-filled biscuit packaging on the market are: PET / VMCPP. This composite film has a certain barrier property, and the economic cost of the...

Claims

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Application Information

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IPC IPC(8): B32B27/32B32B27/18B32B27/06B32B33/00B32B7/12B32B37/12B32B38/14B29D7/01
CPCB32B27/32B32B27/18B32B27/08B32B33/00B32B7/12B32B37/12B32B38/145B29D7/01B32B2255/10B32B2255/205B32B2307/306B32B2307/31B32B2307/558B32B2553/00
Inventor 胡建建汪学文叶青松吴文武童成刚王卫明
Owner HUANGSHAN NOVEL
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