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Biodegradable coffee-ground composite material and its product

A composite material, coffee grounds technology, applied in the field of materials

Active Publication Date: 2016-10-05
MITAC PRECISION TECH(KUNSHAN) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, it is necessary to develop a biodegradable coffee grounds composite material and its products to solve the above-mentioned defects that coffee grounds can only be used in low-level applications

Method used

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  • Biodegradable coffee-ground composite material and its product
  • Biodegradable coffee-ground composite material and its product
  • Biodegradable coffee-ground composite material and its product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032]

[0033] First, weigh the coffee grounds, and stir the coffee grounds through a high-speed mixer to remove water. The temperature of the high-speed mixer is set at 110 ° C. After the temperature reaches 15 minutes, the weighed interface modifier is added to stir and mix. The fixed stirring time is 10 minutes; then, the moisture content of the polylactic acid resin needs to be reduced to below 0.05-0.1% during the processing; The material was stirred for 10 minutes with a single-shaft mixing bucket, and the weighed polyvinyl acetate resin, lubricant, impact modifier and inorganic filler were stirred for 10 minutes with a single-shaft mixing bucket; the above mixtures were respectively added to the twin-screw extruder Melt extrusion granulation in the machine.

Embodiment 2

[0035]

[0036]

[0037] First, weigh the coffee grounds, and stir the coffee grounds through a high-speed mixer to remove water. The temperature of the high-speed mixer is set at 110 ° C. After the temperature reaches 15 minutes, the weighed interface modifier is added to stir and mix. The fixed stirring time is 10 minutes; then, the moisture content of the polylactic acid resin needs to be reduced to below 0.05-0.1% during the processing; The material was stirred for 10 minutes with a single-shaft mixing bucket, and the weighed polyvinyl acetate resin, lubricant, impact modifier and inorganic filler were stirred for 10 minutes with a single-shaft mixing bucket; the above mixtures were respectively added to the twin-screw extruder Melt extrusion granulation in the machine.

Embodiment 3

[0039]

[0040] First, weigh the coffee grounds, and stir the coffee grounds through a high-speed mixer to remove water. The temperature of the high-speed mixer is set at 110 ° C. After the temperature reaches 15 minutes, the weighed interface modifier is added to stir and mix. The fixed stirring time is 10 minutes; then, the moisture content of the polylactic acid resin needs to be reduced to below 0.05-0.1% during the processing; The material was stirred for 10 minutes with a single-shaft mixing bucket, and the weighed polyvinyl acetate resin, lubricant, impact modifier and inorganic filler were stirred for 10 minutes with a single-shaft mixing bucket; the above mixtures were respectively added to the twin-screw extruder Melt extrusion granulation in the machine.

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Abstract

The invention provides a biodegradable coffee-ground composite material and its product. The biodegradable coffee-ground composite material is prepared by directly subjecting coffee grounds to surface treatment, then adding a biodegradable material and carrying treatment by using modification technology. The product obtained after molding of the composite material is widely used in the film industry, such as disposable garbage bags, food packaging bags, agricultural films, or other films, thereby solving the problem that coffee grounds only have low-class application.

Description

【Technical field】 [0001] The invention belongs to the technical field of materials, and in particular relates to a biodegradable coffee grounds composite material and a product thereof. 【Background technique】 [0002] With the increasing awareness of environmental protection, biodegradable environmentally friendly plastics are increasingly valued by the public. In addition to the improvement of performance, it tends to develop materials and products with high added value. [0003] In view of the coffee food culture in the global market, the daily coffee grounds are increasing day by day. Although there are many uses of this biomass material, they are also used in low-end applications. For example, currently in the market, coffee grounds have been treated with high temperature to form coffee carbon, which has been applied in textile-related fields. [0004] In view of this, it is necessary to develop a biodegradable coffee grounds composite material and its products to solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L31/04C08L67/02C08K13/08C08K13/06C08K11/00C08K9/06
Inventor 杨汉民
Owner MITAC PRECISION TECH(KUNSHAN) CORP
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