Environment-friendly packaging material

Abstract

The invention belongs to the technical field of packaging materials, and particularly relates to an environment-friendly packaging material. A packaging box comprises a box body, wherein the box bodycomprises a left side body and a right side body, first sliding grooves are formed in the inner walls of the bottoms of the left side body and the right side body, the first sliding grooves correspondto each other, a first pull plate is slidably connected into the inner wall of the first sliding groove on the left side through a spring, and a second pull plate is slidably connected into the innerwall of the first sliding groove on the right side through a spring. The environment-friendly packaging material is mainly used for solving the problems that most of existing environment-friendly packaging materials are made of waterborne polyurethane materials, although waterborne polyurethane is non-toxic and harmless and has good environmental protection performance, the degradation speed of the waterborne polyurethane materials is low, meanwhile, most of packaging boxes made of the environment-friendly materials are of fixed specifications, when objects with different specifications needto be loaded and unloaded, the packaging boxes with the same specifications as the objects can be used, so that the use range of the packaging boxes is greatly limited.

Description

technical field [0001] The invention belongs to the technical field of packaging materials, in particular to an environment-friendly packaging material. Background technique [0002] Environmentally friendly packaging materials generally include reusable and renewable packaging materials, edible packaging materials, degradable materials and natural paper materials. Environmentally friendly packaging is reflected in the saving of materials, the least waste and energy saving, easy recycling and reuse, and no secondary pollution caused by packaging waste. Therefore, the selection of environmentally friendly packaging materials should comply with the basic principles of harmlessness, pollution-free, and recyclable utilization. Although pure natural environmental protection packaging materials are non-polluting, they have high commercial costs and are a serious waste of earth resources. Composite environmental protection materials will become the mainstream of environmental pro...

AI Technical Summary

Problems solved by technology

[0003] Most of the current environmentally friendly packaging materials are made of water-based polyurethane materials. Although water-based polyurethane is non-toxic and harmless and has good environmental performance, the degradation rate of water-based polyurethane materials is relatively slow. At the same time, most of the packaging boxes made of environmentally friendly materials are With fixed specifications, when it is necessary to load and take items of different specifications, it is necessary to use a packaging box of the same specification as the item, which greatly limits the scope of use of the packaging box. At the same time, the current packaging boxes are supported by a single-layer structure. The capacity is poor and it does not have the function of protecting items. When loading and unloading heavy items, the packaging box will be damaged due to the limited support capacity of the packaging box.

[0004] There are also some proposals on environmentally friendly packaging materials in the prior art, such as patent No. 201810470964.0, whose patent name is a patent on an environmentally friendly packaging material and its preparation method. The technical proposal uses water-based polyurethane emulsion, modified starch, potassium salt of acrylic acid copolymer, Environmental protection materials made of silica sol, composite fiber material, sodium stearate, polyethylene composite wax, dibutyltin dilaurate, emulsified silicone oil, glycerol, polyethylene glycol and water have certain environmental performance, but the degradation of environmental protection materials Slower

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