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Analytical composite material and preparation method thereof

A technology of composite materials and mixers, applied in the field of chemistry and biology, can solve the problems of poor heat resistance and water resistance, unsuitable for wide application, increased production costs, etc., achieve strong anti-aging, strong plasticity, and improve environmental protection index effect

Inactive Publication Date: 2017-03-15
洛阳鼎威材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the process is complicated, and it is necessary to separate the linear and branched chains of the starch, which will cause the complexity of the production process and increase the production cost.
Compared with ordinary plastics, thermoplastic starch plastics at this stage have poor heat resistance and water resistance and low mechanical strength.
Easy to recrystallize, easy to age, reduce performance
Sensitive to water, not suitable for wide application
In particular, the production cost of the product is high and it is difficult to promote it in the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A decomposable composite material and its preparation method, comprising:

[0018] One: starch 10-25

[0019] Among them, the above-mentioned starch is a mixture of two or more kinds of corn, rice, wheat, potato, sweet potato, tapioca, peas, and wood comb. There are many varieties of starch raw materials, short growth cycle, and low price. The main reason is to reduce the process flow and directly reduce the production cost.

[0020] 2: Plasticizer 2-4.5

[0021] The above-mentioned plasticizer is one of polyacetone and phthalate.

[0022] Three: Cellulose 10-30

[0023] The cellulose is chaff, straw, bran, peanut bran powder, wheat straw, rice straw, reed, hemp, mulberry, mubark, bagasse and the like.

[0024] After crushing two or more materials, they can be mixed with other materials mentioned above, which is more conducive to biological degradation.

[0025] Four: Chitin 6-15

[0026] Five: Benzophenone 2.0-4.5

[0027] Six: p-benzoquinone 1-1

[0028] Seven: Carbonyl compound 2-...

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Abstract

An analytical composite material and a preparation method thereof comprise the following ingredients: starch, a plasticizer, cellulose, chitin, diphenylketone, p-benzoquinone, carbonyl compound and polypropylene carbonate. The preparation method comprises the following steps: adjusting the rotating speed of a mixing machine to 1,100-3,500r / min, adding starch, polypropylene carbonate and the plasticizer into the mixing machine, mixing for 8-15min and then adding cellulose, chitin and diphenylketone; adjusting the rotating speed of the mixing machine to 2,100-5,100r / min, adding p-benzoquinone and carbonyl compound and mixing for 5-10min; sealing and storing for about 12-25h after the mixture is naturally cooled; extruding the stored mixture at one time by a twin-screw extruder, placing a drum granulator, adjusting the speed of the drum granulator to 220-350r / min and granulating, so as to obtain the analytical composite material.

Description

Technical field [0001] The invention relates to the field of chemical biology, in particular to a decomposable composite material and a preparation method. Background technique [0002] With the development of the economy, the consumption of plastics in various industries continues to grow. As we all know, the use of plastic is a multi-edged sword, that is, enriching and facilitating daily life, but also consuming resources and polluting the environment. At present, petroleum is the main source of plastics. The demand for petroleum in various countries is increasing year by year. At the same time, the pressure on petroleum supply is also increasing, and petroleum resources will inevitably face a shortage. In addition, environmental pollution in recent years has caused many cities to be in a state of smog, and environmental pollution has become an unavoidable problem. [0003] Therefore, facing the two major problems of resource shortage and environmental pollution, the developmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L3/02C08L1/02C08L67/04C08L5/08C08L69/00C08K5/12C08K5/07B29C47/92B29C48/92
CPCC08L3/02B29C48/92B29C2948/9258B29C2948/92704C08L1/02C08L5/08C08L67/04C08L69/00C08L2201/06C08L2201/08C08L2205/025C08L2205/035C08K5/12C08K5/07
Inventor 王胜利
Owner 洛阳鼎威材料科技有限公司
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