Straw-potato residue environment-friendly tableware and preparation method thereof

A potato dregs and tableware technology is applied in the field of straw-potato dregs environmentally friendly tableware and its preparation, which can solve the problems of not achieving complete environmental protection, complex raw material components, etc. Effect

Inactive Publication Date: 2014-07-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Provided a method for preparing disposable tableware such as Wang Zhanqi, the raw materials used include crop straw, amino resin, unsaturated polyester resin, epoxy vinyl resin, food coloring, polyvinyl alcohol, silane coupling agent, poly Ethylene wax and stearic acid etc. (CN102276999A), the raw material composition that this method adopts is complicated, does not realize complete environmental protection

Method used

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  • Straw-potato residue environment-friendly tableware and preparation method thereof
  • Straw-potato residue environment-friendly tableware and preparation method thereof
  • Straw-potato residue environment-friendly tableware and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Raw materials: 4.5g of wheat straw powder, 18g of potato residue, 1g of calcium carbonate, 1.5g of polyvinyl alcohol, and 10mL of water.

[0024] Preparation method: mix ingredients in a magnetic stirrer, add water, control the water temperature at 90°C, add polyvinyl alcohol, fully dissolve to obtain a polyvinyl alcohol aqueous solution with a concentration of 13wt%, and then add carbonic acid in sequence after the polyvinyl alcohol aqueous solution is cooled to room temperature Calcium, wheat straw powder and potato residue are stirred and mixed evenly to obtain a mixed material, which is stored at normal temperature for use. Fill the mixed material into a disposable tableware mold, and use a molding machine for hot pressing molding. The hot pressing molding conditions are: hot pressing after preheating for 10 minutes, hot pressing temperature 140 ° C, and hot pressing at a pressure of 8 MPa for 8 minutes. After the exhaust is solidified, it is cooled and demolded to ...

Embodiment 2

[0027] Raw materials: 9g of wheat straw powder, 40g of potato residue, 4g of calcium carbonate, 3g of polyvinyl alcohol, and 30mL of water.

[0028] Preparation method: mix ingredients in a magnetic stirrer, add water, add polyvinyl alcohol when the water temperature is controlled to 95°C, fully dissolve to obtain a polyvinyl alcohol aqueous solution with a concentration of 9wt%, and then add carbonic acid in sequence after the polyvinyl alcohol aqueous solution is cooled to room temperature Calcium, wheat straw powder and potato residue are stirred and mixed evenly to obtain a mixed material, which is stored at normal temperature for use. Fill the mixed material into a disposable tableware mold, and use a molding machine for hot pressing molding. The hot pressing molding conditions are: hot pressing after preheating for 15 minutes, hot pressing temperature 180 ° C, and hot pressing at a pressure of 20 MPa for 5 minutes. After the exhaust is solidified, it is cooled and demold...

Embodiment 3

[0030] Raw materials: 4.9g of wheat straw powder, 13.5g of potato residue, 2.25g of calcium carbonate, 2g of polyvinyl alcohol, and 10mL of water.

[0031] Preparation method: mix ingredients in a magnetic stirrer, add water, add polyvinyl alcohol when the water temperature is controlled to 95°C, fully dissolve to obtain a polyvinyl alcohol aqueous solution with a concentration of 17wt%, and then add carbonic acid in sequence after the polyvinyl alcohol aqueous solution is cooled to room temperature Calcium, wheat straw powder and potato residue are stirred and mixed evenly to obtain a mixed material, which is stored at normal temperature for use. Fill the mixed material into a disposable tableware mold, and use a molding machine for hot pressing molding. The hot pressing molding conditions are: hot pressing after preheating for 5 minutes, hot pressing temperature 200 ° C, and hot pressing at a pressure of 30 MPa for 2 minutes. After the exhaust is solidified, it is cooled and...

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Abstract

The invention provides straw-potato residue environment-friendly tableware. The raw materials comprise the following components in percentage by weight: 10-15 percent of wheat straw powder, 41-51 percent of potato residue, 2.8-6.9 percent of calcium carbonate, 3.5-6 percent of polyvinyl alcohol and 28.5-35 percent of water. The invention also discloses a method for preparing the straw-potato residue environment-friendly tableware. The method comprises the following steps: mixing, molding and the like. The environment-friendly tableware prepared in the invention is safe, non-toxic, high in strength, high in waterproof and oil-proof performances and short in degradation period.

Description

technical field [0001] The invention belongs to the technical field of tableware preparation, and in particular relates to straw-potato dregs environment-friendly tableware and a preparation method thereof. Background technique [0002] With the development of society, the use of disposable tableware is increasing year by year, which brings great convenience to people's life. However, the disposable tableware widely used at present is made of expanded polystyrene material, which is not only toxic, but also because it is difficult to degrade, discarded tableware has become the main body of "white pollution", posing a threat to the living environment of human beings. Social problems are becoming increasingly prominent. Therefore, the research and development of green, degradable disposable environmental protection tableware has become the focus of widespread attention. [0003] Disposable environmentally friendly tableware that has been commercialized at present mainly inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L29/04C08K3/26A47G19/03
Inventor 董丽杰郭晶晶邹逸丰柳雷程倩成家添江琛张焱
Owner WUHAN UNIV OF TECH
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