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Preparation method of biomass composite material and application thereof

A technology of biomass materials and composite materials, applied in applications, other household appliances, wood treatment, etc., can solve problems such as unfavorable human health, easily damaged texture layer, unusable products, etc., achieve large-scale industrial application prospects, and have environmental protection Sexuality and convenient processing

Inactive Publication Date: 2020-03-06
SICHUAN FINE ARTS INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the products currently on the market using crop residues, including artificial wood boards, straw tiles, straw tableware, etc., use chemically synthesized substances as biomass adhesives in the preparation process of these products, and these substances are used in production and use. In the process, a large amount of harmful gas will be produced, which is not conducive to human health; in addition, the existing products produced by using the leftovers of crops do not have the characteristic of texture, and the process of texture treatment needs to be added in the processing process steps, which makes the entire processing steps more cumbersome, and the texture layer added later will be easily damaged with the prolongation of product use time, making the product unusable or needing to be textured again, increasing the cost

Method used

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  • Preparation method of biomass composite material and application thereof
  • Preparation method of biomass composite material and application thereof
  • Preparation method of biomass composite material and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for preparing a biomass container, comprising the steps of:

[0034] (1) Cleaning: Utilize clear water to wash away the mud etc. on the straw;

[0035] (2) Soaking: Soak the cleaned stalks in clear water for 24 hours at room temperature;

[0036] (3) Grinding: putting the soaked stalks into a grinding machine for grinding to obtain fibers with a length of 3 cm;

[0037] (4) dry; the straw fiber that step (3) obtains is placed 2d under the state of natural ventilation;

[0038] (5) Mixing: the dried straw and the biomass adhesive are mixed according to a mass ratio of 2.0:1.0 to form a compact, and the obtained compact is a biomass composite material;

[0039] (6) Then, under the condition of temperature of 90°C, hot press forming is carried out at a pressure of 4.0MP, and the hot pressing time is 300s, and then several times of repairing, polishing and surface waterproof treatment are carried out to obtain a biomass container.

[0040] In this embodiment, th...

Embodiment 2

[0043] A method for preparing a biomass container, comprising the steps of:

[0044] (1) Cleaning: Utilize clear water to wash away the mud etc. on the sugarcane;

[0045] (2) Soaking: at room temperature, soak the cleaned sugarcane in clear water for 36 hours;

[0046] (3) Grinding: put the soaked sugarcane into a grinding machine and grind to obtain sugarcane fibers with a length of 8 cm;

[0047] (4) dry; the sugarcane fiber that step (3) obtains is dried 6h with about 50 ℃ in drier;

[0048] (5) Mixing: the dried sugarcane and the biomass adhesive are mixed according to a mass ratio of 3.5:2 to form a compact, and the resulting compact is a biomass composite material;

[0049] (6) Then cold-press forming the assembly blank at room temperature under a pressure of 5.0MP, and the cold-press forming time is 2 days, and then carry out multiple repairs, polishing and surface waterproofing treatment to obtain a biomass container.

[0050]In this embodiment, the biomass adhesiv...

Embodiment 3

[0052] A method for preparing a biomass plate, comprising the steps of:

[0053] (1) Cleaning; use clear water to wash away the mud on the loofah;

[0054] (2) Soaking: Soak the cleaned loofah in clear water for 24 hours at room temperature;

[0055] (3) Weaving and reorganization: the loofah is cut open and combined, and flattened;

[0056] (4) drying; drying the loofah in step (3) at 50° C. for 5 hours or placing it under natural ventilation for 2 days;

[0057] (5) Mixing: the dried loofah and the biomass adhesive are mixed according to a mass ratio of 2.5:1.5 to form a compact, and the resulting compact is a biomass composite material;

[0058] (6) Then cold-press forming the assembly under normal temperature and a pressure of 6.0MP, and the cold-press forming time is 3 days, and then carry out multiple repairs, polishing, and surface waterproofing treatment to obtain biomass panels.

[0059] In this embodiment, the biomass adhesive is prepared by mixing glutinous rice ...

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Abstract

The invention provides a preparation method of a biomass composite material. The preparation method comprises the following steps: (1) cleaning a biomass material; (2) soaking: soaking the cleaned biomass material in clear water or a coloring agent aqueous solution at room temperature; (3) grinding or weaving and recombining: grinding the soaked biomass material in a grinding machine to obtain fibers with the length of 3-10cm, or weaving and combining the soaked biomass material into an integrated state, and pre-pressing; (4) drying: placing the biomass material obtained in the step (3) in a natural ventilation state for 2-3 days; and (5) mixing: mixing the dried biomass material with a biomass adhesive according to a certain proportion to form an assembly, or brushing a certain amount ofbiomass adhesive on the dried biomass material to form an assembly, namely the biomass composite material. A biomass container or a biomass plate made of the biomass composite material has natural textures and does not contain toxic substances.

Description

technical field [0001] The invention belongs to the technical field of material engineering, and in particular relates to a preparation method and application of a biomass composite material. Background technique [0002] my country is a large agricultural country, with an annual crop output of hundreds of millions of tons, and a large amount of agricultural residues will be generated during the processing of crop products. Most of these agricultural residues are directly discarded or burned on the spot, thus causing environmental pollution. Pollution and data waste, and the development of using agricultural residues as environmentally friendly products in the current industrial production development has been highly valued by people. [0003] However, the products currently on the market using crop residues, including artificial wood boards, straw tiles, straw tableware, etc., use chemically synthesized substances as biomass adhesives in the preparation process of these prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/04B27N3/08B27N3/00B27J1/02B27K9/00B27K5/02C08L99/00
CPCB27J1/02B27K5/02B27K9/00B27K9/002B27K9/007B27K2200/10B27K2240/60B27N3/002B27N3/04B27N3/08C08L99/00C08L2205/025
Inventor 胡海玲王立端吴菡晗
Owner SICHUAN FINE ARTS INST
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