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Wood-residue fiber foamed cushion packaging material and preparation method thereof

A cushioning packaging and residue technology, applied in the field of cushioning packaging materials and their preparation, can solve the problems of complex production process, poor compression recovery, high cost, etc., and achieve the effects of low overall cost, simple manufacturing process, and short production cycle

Inactive Publication Date: 2012-10-24
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve this problem, naturally degradable pulp molded products came into being, but this kind of product has high cost, complicated production process, poor compression recovery and easy to cause water pollution in the pulp manufacturing process

Method used

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  • Wood-residue fiber foamed cushion packaging material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0023] The birch fiber passing through the 65 mesh sieve was treated with a 2% NaOH solution for 20 hours and then washed to neutrality, put into an oven and dried until the water content was about 3%, and cooled for later use; prepare a starch solution with a solid weight of 40% in Pre-gelatinize in a constant temperature water bath at 62°C and cool for later use; prepare a polyvinyl alcohol solution with a mass fraction of 10%, treat it in a constant temperature water bath at 93°C, and cool it for later use; prepare a borax solution with a mass fraction of 5%, and place it in a constant temperature water bath Dissolve in the pot at 93°C and cool down for later use. By weight, 32 parts of birch fiber, 24 parts of pregelatinized starch and 12 parts of polyvinyl alcohol (PVA) were mixed to prepare a compound adhesive, and azodicarbonamide (C 2 H4O 2 N 4 ) 5 parts as foaming agent, 1 part of zinc oxide (ZnO) as activator, talcum powder (Mg 3 [Si 4 o 10 ](OH) 2 ) 5 parts as...

Embodiment 2

[0025] The larch wood fibers passed through a 75-mesh sieve were treated with 4% NaOH solution for 12 hours, washed to neutrality, dried in an oven until the moisture content was about 5%, and cooled for later use; a starch solution with a solid weight of 48% was prepared in a constant temperature water bath Pre-gelatinize in a pot at 64°C, cool for later use; prepare a 14% polyvinyl alcohol solution, process it in a 95°C constant temperature water bath, and cool it for later use; prepare a 5% borax solution, dissolve it in a constant temperature water bath at 95°C, Let cool and set aside. Weigh 34 parts of larch wood fiber, 28 parts of pregelatinized starch and 10 parts of polyvinyl alcohol (PVA) to prepare a compound adhesive, use 4 parts of p-toluenesulfonyl hydrazide as foaming agent, and 2 parts of sodium stearate 10 parts of calcium carbonate as nucleating agent, 15 parts of VAE emulsion as plasticizer, titanium dioxide (TiO 2 ) 1 part is whitening agent, 5-10 parts of ...

Embodiment 3

[0027] Treat the oak fiber that has passed through a 70-mesh sieve with 5% NaOH solution for 24 hours, then wash it to neutral, put it in an oven and dry it until the moisture content is about 5%, and cool it for later use; prepare a starch solution with a solid weight of 32% in a constant temperature water bath Pre-gelatinize in the pot at 60°C, cool it for later use; prepare 9% polyvinyl alcohol solution, process it in a 95°C constant temperature water bath, and cool it for later use; prepare a 5% borax solution, dissolve it in a constant temperature water bath at 95°C, Let cool and set aside. Weigh 31 parts of oak wood fiber, 21 parts of pregelatinized starch and 12 parts of polyvinyl alcohol (PVA) to prepare a compound adhesive, use 6 parts of sodium bicarbonate as foaming agent, and 3 parts of magnesium stearate as activation agent. A total of 9 parts of silicon dioxide and talcum powder are used as nucleating agents, and a total of 11 parts of glycerol and VAE emulsion m...

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Abstract

The invention provides wood-residue fiber foamed cushion packaging material and a preparation method thereof, which can be used to solve the problem of being not environment friendly and high cost of the existing packaging material. The basic components and corresponding dry mass fraction of the basic components are as follow: 31-35 parts of wood-residue fiber; 20-30 parts of pre-gelatinized starch; 10-13 parts of polyvinyl alcohol gum; 3-7 parts of a foaming agent; 1-4 parts of activator; and 5-10 parts of a nucleating agent. The preparation method comprises the processes of preparation of raw materials, billet making and mould pressing. The used material resource is rich in source, the energy consumption and cost of raw material are low. The manufacturing process is simple and the production cycle is short, and there is no pollution to the environment. The packaging material has the advantages of good vibration damping and cushioning performance, antistatic performance, corrosion protection, wide range of application and good prospect of market application. With the progress and development of such technology, the packaging material is expected to become the ideal substitute of the foam packaging material.

Description

technical field [0001] The invention relates to a packaging material and a preparation method, in particular to a cushioning packaging material which can be used for industrial products such as household appliances, precision instruments, ceramics and glass containers, and a preparation method thereof. Background technique [0002] At present, in the packaging of many electronic products, household appliances, mechanical products and instruments in our country, a large number of polystyrene foams are used as cushioning materials, followed by pulp molded products. Polystyrene foam plastics have disadvantages such as large volume, difficulty in recycling, high regeneration costs, wastes that cannot be degraded naturally, and incineration that will pollute the environment. During the manufacturing process, chlorofluorocarbons are often used as blowing agents, which destroy the ozone in the atmosphere. Internationally, environmental protection has put forward more and more stri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L3/02C08L29/04C08K13/02C08K3/34C08K3/36C08K3/26C08K5/053C08K3/22C08K3/38C08J9/10C08J9/08
Inventor 肖生苓曹斌肖俊芳高献策
Owner NORTHEAST FORESTRY UNIVERSITY
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