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Preparation method of plant fiber porous composite material

A porous composite material and plant fiber technology, which is applied in the field of preparation of plant fiber porous composite materials, can solve problems that need to be improved, and achieve the effects of stable performance, low price, and abundant sources

Inactive Publication Date: 2014-04-23
HUBEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Plant fiber foaming products with excellent performance are in the stage of experimental research and development, and the process research on formula design, process conditions, etc. needs to be improved

Method used

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  • Preparation method of plant fiber porous composite material
  • Preparation method of plant fiber porous composite material

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preparation example Construction

[0021] The preparation method of the plant fiber porous composite material of the present invention mainly includes the configuration and mixing of the water-soluble polymer aqueous solution stabilizer, plant fiber suspension, plant fiber foam formation and drying molding process, and its steps are as follows:

[0022] 1. Configuration of aqueous solution of water-soluble polymer stabilizer

[0023] Add the water-soluble polymer stabilizer to a certain amount of water, stir and dissolve at a certain temperature to form an aqueous solution with a mass fraction of 1%-20%.

[0024] 2. Formation of plant fiber suspension

[0025] A certain amount of plant fiber is added to the aqueous solution of the water-soluble polymer stabilizer, and mechanically stirred at room temperature to disperse the plant fiber evenly to form a plant fiber suspension.

[0026] 3. Formation of plant fiber foam

[0027] The anionic surfactant is added to the plant fiber suspension, and the high-speed me...

Embodiment 1

[0032] Stir and mix 20g of 10% polyacrylamide aqueous solution and 5g of 1% polyvinyl alcohol aqueous solution to obtain a mixed solution, add 5g of plant fibers to the mixed solution of acrylamide aqueous solution and polyvinyl alcohol aqueous solution, and use high-speed machinery Stir to disperse the plant fibers and form a plant fiber suspension, add 0.8g sodium lauryl sulfate to the plant fiber suspension, form a plant fiber foam through high-speed mechanical stirring, pour the foam into a mold and heat it at 80 o C drying and molding to obtain the plant fiber foam composite material.

Embodiment 2

[0034] Add 5g of plant fiber to 40g of polyacrylamide aqueous solution with a mass fraction of 10%, mechanically stir at room temperature at high speed to disperse the plant fiber and form a plant fiber suspension, add 0.6g of dodecylbenzenesulfonic acid to the plant fiber suspension Sodium, the plant fiber foam is formed by high-speed mechanical stirring, the foam is poured into the mold and heated at 90 o C drying and molding to obtain the plant fiber foam composite material.

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Abstract

The invention relates to a preparation method of a plant fiber foaming composite material. By taking plant fiber, an anionic surfactant and a water-soluble polymer foaming agent as raw materials, the preparation method mainly comprises the working procedures of preparation and mixing of a water-soluble polymer aqueous solution stabilizer, as well as forming, drying molding of plant fiber suspension liquid and plant fiber foams. The preparation method comprises the steps of: adding the water-soluble polymer stabilizer into a certain amount of water, stirring and dissolving at a certain temperature to form an aqueous solution with mass fraction of 1%-20%; adding a certain amount of plant fiber into the aqueous solution of the water-soluble polymer stabilizer, mechanically stirring at the room temperature so that the plant fiber is dispersed uniformly to form the plant fiber suspension liquid; adding the anionic surfactant into the plant fiber suspension liquid, mechanically stirring at a high speed and foaming to form a plant fiber foaming system; and pouring the plant fiber foaming system into a mould, drying and molding at 60-120 DEG C to prepare the plant fiber foaming composite material with a three-dimensional network structure. The main raw material plant fiber needed by the preparation method is abundant and low in price and can be recycled, the production process does not pollute the environment, and the product is stable in performance and light in weight.

Description

technical field [0001] The invention belongs to the technical field of porous composite material preparation, and in particular relates to a preparation method of plant fiber porous composite material. Background technique [0002] Plant fiber porous material has the advantages of porous structure, large specific surface area, and strong adsorption. Fiber porous material is a macroporous material. It is widely used in physiological hygiene because of its low price, low density, stable product performance, and easy processing. Medical equipment, building insulation, industrial packaging and other fields. [0003] Plant fiber is the most abundant natural polymer material in nature. The total amount of cellulose (existing in the form of natural plant fiber) grown in nature every year is as high as 100 billion tons, far exceeding the total proven oil reserves on the earth. , and natural plant fiber has many advantages such as low density, low price, biodegradation and reusabili...

Claims

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Application Information

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IPC IPC(8): C08J9/28C08J9/04C08L1/02
Inventor 彭少贤赵西坡梁亮胜
Owner HUBEI UNIV OF TECH
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