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Functional additive for starch-base biological degradation packaging material and producing method thereof

A functional additive and biodegradable technology, applied in the field of premix of multifunctional additives, can solve problems such as product performance deterioration, and achieve the effects of increasing toughness and strength, improving processing fluidity, and shortening dispersion speed.

Inactive Publication Date: 2007-12-12
贾军毅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there are many types of additives required, various additives such as release agents, viscosity modifiers, plasticizers, crosslinking agents, etc. are reactive. If used improperly, the performance of the product will deteriorate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Aluminum stearate 5%

[0035] Hydroxymethyl Cellulose 30%

[0036] Diglycerides 15%

[0037] Kaolin 44%

[0038] Melamine formaldehyde resin 3%

[0039] Amylase 3%

[0040] Add the raw materials in the above ratio into a high-speed stirrer, stir at 50°C for 8-10 minutes, and discharge.

Embodiment 2

[0042] Magnesium Stearate 7%

[0043] Methylcellulose 35%

[0044] Sorbitol 18%

[0045] Talc 44%

[0046] Methylurea 2%

[0047] Oxidase 4%

[0048] Add the raw materials in the above ratio into a high-speed stirrer, stir at 60°C for 8-10 minutes, and discharge.

Embodiment 3

[0050] Silicone 1%

[0051] Alginate 40%

[0052] Pan 5%

[0053] Calcium Carbonate 50%

[0054] Dialdehyde 3%

[0055] Carbohydrase 1%

[0056] Add the raw materials in the above ratio into a high-speed stirrer, stir at 60°C for 8-10 minutes, and discharge.

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PUM

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Abstract

The invention relates to a functional additive for strach- based biological degradation packing material and the preparation method. It belongs to a multi- functional premixer for adjuvant, and solves bad product performance caused from improper utilization of adjuvant agent. The components comprised by said fuctional additive and their weight proportion are as follows: demoulding agent 1- 10%, viscosity adjustment agent 10- 40%, plasticizing agent 5- 30%, fillings 20- 50%, crosslinking agent 1-5%, starch modifier 1- 5%. The process comprises following steps: feeding raw material into high- speed agitator, mixing for 10 minutes at 40 -80 Deg. C, discharging and getting functional additive. The additive is characterized in that it can greatly reduce fiber distribution speed, can improve slurry processing flowing property, is favouable for starch products shaping, can increase product flexibility and strength, meets non- degradation packing material property standard and state environmental requirment.

Description

technical field [0001] The invention specifically relates to a functional additive of a starch-based biodegradable packaging material and a production method thereof, which belongs to a premix of a multifunctional additive. Background technique [0002] In order to solve the problem of plastic white pollution, people are looking for alternative completely degradable materials through various means. Starch and plant fiber, as natural polymer substances, are abundant and cheap, and are inexhaustible renewable resources. It has a wide range of research and applications in degradable materials, including disposable tableware, pharmaceutical packaging materials, molded products, foam plastics, etc. However, starch-based fiber-reinforced biodegradable packaging materials have problems such as poor processability, brittle products, and poor water resistance. In order to solve this problem, a series of processing aids have been developed. Since there are many types of additives r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/02C08L3/02C08L101/16
Inventor 贾军毅
Owner 贾军毅