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A kind of multi-layer structure buffer packaging product containing waste foamed plastic, preparation and application

A technology of layered structure and composite products, applied in packaging, wrapping paper, layered products, etc., can solve the problems of low recovery rate, product brittleness, low quality, etc., and achieve resource and energy saving, environmental protection, production The effect of simple process

Inactive Publication Date: 2015-12-09
BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the recovery rate in our country is relatively low, most of which are low-quality utilization (such as heat recovery). Recycling

Method used

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  • A kind of multi-layer structure buffer packaging product containing waste foamed plastic, preparation and application
  • A kind of multi-layer structure buffer packaging product containing waste foamed plastic, preparation and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Raw materials: waste expanded polystyrene particles, density 0.03g / cm 3 , the particle diameter is between 0.3 mm and 0.5 mm. Adhesive is polyvinyl acetal, paper material is quantitative 300g / m 2 kraft cardboard.

[0030] Production steps:

[0031] First, a polyvinyl acetal adhesive is sprayed on waste expanded polystyrene. Then, spread the waste polystyrene particles sprayed with the polyvinyl acetal binder solution evenly on a piece of kraft liner board, and then cover another piece of kraft liner board on the waste expanded polystyrene particles. Finally, at room temperature, the three-layer composite material was placed under a pressure of 20 kN / m, and after drying at room temperature, a three-layer composite material containing waste expanded polystyrene was obtained.

[0032] Product performance: The bonding strength of the three-layer structure composite product is 195.78N.

Embodiment 2

[0034] Raw materials: waste expanded polystyrene particles, density 0.03g / cm 3 , the particle diameter is between 0.3 mm and 0.5 mm. Adhesive is polyvinyl acetal, paper material is quantitative 300g / m 2 kraft liner board and basis weight 200g / m 2 of corrugated base paper.

[0035] Production steps:

[0036] First, a polyvinyl acetal binder solution is sprayed on waste expanded polystyrene. Then, spread the waste polystyrene particles sprayed with polyvinyl acetal binder solution evenly on a piece of kraft cardboard, and then cover a layer of corrugated base paper on the waste expanded polystyrene particles. At normal temperature, the composite material with three-layer structure is placed under a pressure of 20 kN / m, and after drying at normal temperature, a composite material with three-layer structure including waste expanded polystyrene is obtained. On one side of the corrugated base paper of the three-layer composite material, lay a layer of waste expanded polystyrene...

Embodiment 3

[0039] Raw materials: waste expanded polystyrene particles, density 0.03g / cm 3 , the particle diameter is between 0.3 mm and 0.5 mm. The adhesive is polyvinyl acetal, and the paper material is quantitative 250g / m 2 Flat pulp molded products.

[0040] Other steps are identical with embodiment 1.

[0041] Product performance: The bonding strength of the three-layer structure composite product is 2229.1N / m.

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Abstract

The invention discloses a multi-layer structure buffer packaging product comprising waste foamed plastic and a preparation and an application of the packaging product, and belongs to the technical field of packaging materials. Waste foamed polystyrene is used as a core layer, paper materials outside the core layers are used as outer layers, and the waste foamed polystyrene core layer and the paper material outer layers are bound together through a binding agent to form a composite product in a paper material / waste foamed polystyrene / paper material structure. The waste foamed polystyrene is cut to needed regular shapes or crushed to particles, then a binding agent solution is applied to the surface of polystyrene, the treated waste foamed polystyrene is placed between the two paper materials, and then waste foamed polystyrene and the paper materials are bound. The product disclosed by the invention can be used as a corrugated board buffer packaging material for the protective package and transportation package of cargoes, and is quite high in pressure resistance, folding resistance and puncture resistance.

Description

technical field [0001] The invention relates to a cushioning packaging material, in particular to a cushioning packaging material containing waste expanded polystyrene and a multi-layer structure and a preparation method thereof, belonging to the technical field of packaging materials. Background technique [0002] Expanded polystyrene is a kind of white foamed plastic. After foaming and expanding by different foaming methods, the formed mold forms a block with a volume 50 times that of the original, which contains 95% to 98% of air and Pure polystyrene 2% to 5%. The main characteristics of expanded polystyrene are insulation, light weight, waterproof and shockproof, which makes expanded polystyrene widely used in packaging industry, construction industry and other fields. [0003] However, expanded polystyrene products are bulky, use a large amount, have poor resource recovery and recycling properties, and cannot be decomposed naturally, causing white pollution. Countries...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B5/16B32B7/12B32B29/00B65D65/40
Inventor 刘全校许文才
Owner BEIJING INSTITUTE OF GRAPHIC COMMUNICATION