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Plant-based material as well as preparation method and application thereof

A plant-based, material technology, applied in the field of plastic processing, can solve the problems of poor dispersion of coffee grounds, destruction of PLA materials, poor compatibility between coffee grounds and PLA resin, etc., to achieve short degradation time, reduce damage, and achieve high green circulation. The effect of value utilization

Active Publication Date: 2021-09-21
SIIICO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Traditional processing machinery and molding equipment have a destructive effect on heat-sensitive PLA materials, poor compatibility between coffee grounds and PLA resin, and poor dispersion of coffee grounds

Method used

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  • Plant-based material as well as preparation method and application thereof

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Comparison scheme
Effect test

Embodiment 1

[0067] Embodiment 1 Plant-based material and preparation method thereof

[0068] Plant-based material formula: 67.2% polylactic acid resin, 10% PBAT, 20% coffee grounds, 0.5% nucleating agent, 2% plasticizer, 0.3% antioxidant; the above percentages are mass percentages; the nucleating agent is talc powder, the plasticizer is acetyl tributyl citrate, and the antioxidant is antioxidant 168.

[0069] Plant-based material preparation method:

[0070] 1. Dry the polylactic acid resin, toughening resin (PBAT), and coffee grounds, and grind the coffee grounds to a particle size of 40 mesh.

[0071] 2. Weigh polylactic acid resin, PBAT, and additives (ie, nucleating agent, plasticizer, antioxidant) in proportion to the mixer and mix evenly, then add coffee grounds and mix evenly, and then use the eccentric rotor The stretching rheological plasticizing extrusion equipment is used for melt extrusion granulation. This embodiment adopts the eccentric rotor volume pulsating deformation p...

Embodiment 2

[0072] Embodiment 2 Plant-based material and preparation method thereof

[0073] Plant-based material formula: 67.2% polylactic acid resin, 10% PBS, 20% coffee grounds, 0.5% nucleating agent, 2% plasticizer, 0.3% antioxidant; the above percentages are mass percentages; the nucleating agent is Mongolian Desoiling, plasticizer is epoxy soybean oil, antioxidant is antioxidant 1010.

[0074] Plant-based material preparation method:

[0075] 1. Dry the polylactic acid resin, toughening resin (PBS), and coffee grounds, and grind the coffee grounds to a particle size of 60 mesh.

[0076] 2. Then weigh polylactic acid resin, PBS, and additives (ie, nucleating agent, plasticizer, antioxidant) in proportion and add them to the mixer to mix evenly, then add coffee grounds and mix evenly, and then use stretching The rheological plasticizing extrusion equipment is used for melt extrusion granulation. This embodiment adopts the eccentric rotor volume pulsating deformation plasticizing tra...

Embodiment 3

[0077] Embodiment 3 Plant-based material and preparation method thereof

[0078] Plant-based material formula: 72.2% polylactic acid resin, 10% PBAT, 15% coffee grounds, 0.5% nucleating agent, 2% plasticizer, 0.3% antioxidant; the above percentages are mass percentages; the nucleating agent is two Silica, the plasticizer is acetyl tributyl citrate, and the antioxidant is 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane.

[0079] Plant-based material preparation method:

[0080] 1. Dry the polylactic acid resin, toughening resin (PBAT), and coffee grounds, and grind the coffee grounds to a particle size of 150 mesh;

[0081] 2. Then weigh polylactic acid resin, PBAT, and additives (ie, nucleating agent, plasticizer, antioxidant) in proportion and add them to the mixer to mix evenly. After adding coffee grounds, mix evenly, and then use stretching flow Variable plasticizing extrusion equipment for melt extrusion granulation, this embodiment uses the eccentric rotor volu...

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Abstract

The invention provides a plant-based material. The plant-based material is prepared from the following components in percentage by mass: 60-85% of polylactic acid; 7%-15% of toughening resin; 5%-30% of coffee grounds; and the balance of auxiliaries. The sum of the mass percentages of the components is 100%. Eccentric rotor extensional rheological plasticizing extrusion equipment is adopted to process PLA, PBAT or PBS, coffee grounds, other auxiliaries and the like according to a certain proportion to obtain a modified material or product.

Description

technical field [0001] The invention relates to the field of plastic processing, in particular to plant-based materials and their preparation methods and applications. Background technique [0002] Coffee is one of the most popular beverages and one of the most widely traded commodities internationally. Coffee grounds are the by-products left after coffee is extracted from coffee beans, accounting for about 2 / 3 of the weight of dry coffee beans. Coffee grounds are rich in oil, sugar and protein, cellulose, acids (amino acid, chlorogenic acid, other fatty acids), etc., of which coffee oil content is about 14%. Coffee oil contains 4 main fatty acids, accounting for 95.25% of the total, respectively linoleic acid 34.79%, oleic acid 9.85%, palmitic acid 42.12%, stearic acid 8.49%. Coffee grounds have a strong coffee aroma, and the volatile fat is the main source of coffee aroma, which emits about forty aromatic substances. And its dyeing is very strong. At present, the appli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L99/00C08L67/02
CPCC08L67/04C08L2201/06C08L2205/03C08L99/00C08L67/02
Inventor 邝清林冯绮琳李保银陈立彬
Owner SIIICO TECH CO LTD
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