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Method for preparing plant-based buffer material through in-situ foaming

A cushioning material and in-situ foaming technology, which is applied in the field of in-situ foaming to prepare plant-based cushioning materials, can solve the problems of increasing production costs, affecting the performance of cushioning materials, and consuming large amounts of energy.

Inactive Publication Date: 2019-06-07
常州市鑫嘉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem mainly solved by the present invention is aimed at the current common foaming plant fiber cushioning packaging materials, which use plant fiber as the main raw material, add a chemical foaming agent or foam through the action of water vapor, but the composition of the chemical foaming agent is high, And it is not easy to degrade and will pollute the environment, and water vapor foaming needs a lot of energy, which increases the preparation cost, and the foam produced by these foaming methods is poor in stability, which will affect the performance of the cushioning material later. It provides an in-situ Method for preparing plant-based cushioning material by foaming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0030] Preparation of sugarcane explosion waste products:

[0031] Weigh the bagasse and put it into the steam explosion device, and feed water steam preheated to 200°C into the steam explosion device until the pressure in the steam explosion tank reaches 1.5MPa, keep the pressure for 3 to 5 minutes, and release the pressure instantly, collect Get sugar cane blasting products;

[0032] Preparation of pre-modified products:

[0033] (1) Mix the obtained sugarcane explosion product with β-xylosidase and water at a mass ratio of 10:1:10, put it into an enzymolysis tank, heat it at 25°C for 10 hours to obtain the enzymolysis product, and then Mix the enzymatic hydrolysis product with 0.5 mol / L hydrochloric acid in a mass ratio of 10:1 to obtain a mixed solution;

[0034] (2) Put the mixed solution into the reaction kettle, first heat up to 60°C, stir and react for 10 hours, after the stirring reaction is completed, add potassium permanganate with a mass of 3% mixed solution into...

example 2

[0042] Preparation of sugarcane explosion waste products:

[0043] Weigh the bagasse and put it into the steam explosion device, and feed water steam preheated to 210°C into the steam explosion device until the pressure in the steam explosion tank reaches 1.6 MPa, and release the pressure instantly after holding the heat for 4 minutes, and collect the sugar cane explosion property;

[0044] Preparation of pre-modified products:

[0045] (1) Mix the obtained sugarcane explosion product with β-xylosidase and water at a mass ratio of 10:1:10, put it into an enzymolysis tank, heat it at 28°C for 11 hours to obtain the enzymolysis product, and then Mix the enzymatic hydrolysis product with 0.5 mol / L hydrochloric acid in a mass ratio of 10:1 to obtain a mixed solution;

[0046] (2) Put the mixed solution into the reaction kettle, first heat up to 65°C, stir and react for 11 hours, after the stirring reaction is completed, add potassium permanganate with a mass of 3% of the mixed s...

example 3

[0054] Preparation of sugarcane explosion waste products:

[0055] Weigh the bagasse and put it into the steam explosion device, and pass the water steam preheated to 220°C into the steam explosion device until the pressure in the steam explosion tank reaches 1.7MPa, keep the pressure for 5 minutes and release the pressure instantly, and collect the sugar cane explosion property;

[0056] Preparation of pre-modified products:

[0057] (1) Mix the obtained sugarcane explosion product with β-xylosidase and water at a mass ratio of 10:1:10, put it into an enzymolysis tank, and heat it at 30°C for 12 hours to obtain the enzymolysis product, and then Mix the enzymatic hydrolysis product with 0.5 mol / L hydrochloric acid in a mass ratio of 10:1 to obtain a mixed solution;

[0058] (2) Put the mixed solution into the reaction kettle, first heat up to 70°C, stir and react for 12 hours, after the stirring reaction is completed, add potassium permanganate with a mass of 3% mixed soluti...

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Abstract

The invention particularly relates to a method for preparing a plant-based buffer material through in-situ foaming, and belongs to the technical field of buffer material preparation. The method comprises the following steps: carrying out steam explosion treatment on bagasse as a raw material, carrying out mixed enzymolysis on the bagasse and xylosidase to obtain an enzymolysis product, and carrying out mixed acidolysis on the enzymolysis product and hydrochloric acid; oxidizing the materials with potassium permanganate, and finally performing a reaction with alkali liquor to obtain a reactionproduct; mixing starch, collagen and water to obtain pretreated slurry; and finally, blending the pretreated slurry with a reaction product, carrying out a high-speed stirring reaction, and carrying out injection molding and drying to finally prepare the plant-based buffer material. According to the method, no additive needs to be added, the foaming component is directly generated from the raw materials in situ, and the stability of generated bubbles is good. Physical anchoring entanglement can be generated between the starch and the fibers, so that the mechanical strength of the buffer material is improved. The method is low in production cost. The product can be completely biodegraded and has a wide application prospect.

Description

technical field [0001] The invention specifically relates to a method for preparing a plant-based buffer material by in-situ foaming, and belongs to the technical field of buffer material preparation. Background technique [0002] At present, packaging products are mainly plastics, corrugated paper, honeycomb paper, and pulp molding materials. Since the waste of plastic packaging is non-recyclable and non-degradable, its extensive use has caused serious white pollution and brought huge environmental pressure. Although corrugated paper, honeycomb paper, and pulp molding materials are degradable, most of them use wood as raw material, which consumes a large amount of my country's limited forest resources, and causes water pollution in the manufacturing process, and the manufacturing cost is high. They are not plastic packaging materials. ideal substitutes. In recent years, with the rapid growth of my country's economy and the demand for high-quality materials, cushioning mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/00C08L1/02C08L3/02C08L89/00C08K5/09C08J9/08
Inventor 刘沁
Owner 常州市鑫嘉生物科技有限公司
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