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Preparation method and application of lentinus edodes mycelium bio-based composite material

A composite material and bio-based technology, which is applied in the field of preparation of mushroom mycelium bio-based composite materials, can solve the problems of not being able to obtain large-scale applications, and achieve good heat insulation effect, realization of utilization, and hard material

Active Publication Date: 2020-11-27
庆元县食用菌产业中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the undeveloped application prospects and broad market of this technology, and the technology of Ecovative's mycelium-based plastics is protected by its trade secrets and patents and cannot be applied on a large scale, it is necessary for my country to independently develop this technology to Responding to future market competition

Method used

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  • Preparation method and application of lentinus edodes mycelium bio-based composite material
  • Preparation method and application of lentinus edodes mycelium bio-based composite material
  • Preparation method and application of lentinus edodes mycelium bio-based composite material

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Effect test

Embodiment 1

[0056] The preparation method of mushroom mycelium bio-based composite material in this embodiment is as follows:

[0057] (1) Sawdust is crushed in advance to a particle size range of 3-6mm and an average particle size of 4.6mm, corn cobs are crushed to a particle size range of 1-3mm and an average particle size of 2.2mm, and wheat bran is crushed to a particle size The range is 40-60μm, the average particle size is 51μm, and then according to the mass percentage, mix 78% wood chips, 5% corncobs, 15% wheat bran, 1% gypsum, 1% lime, adjust the water content to 56%, and then pack bags, sterilized by high-pressure steam at 121°C and 0.15kpa pressure for 25 minutes to make biological culture medium;

[0058] (2) Inoculate the mushroom strain into the biological culture medium on the aseptic operation table, and carry out the first hyphae culture, that is, cultivate for 45 days at a constant temperature of 25°C, in the dark, and with an oxygen content of 20%;

[0059] (3) The pro...

Embodiment 2

[0062] The preparation method of mushroom mycelium bio-based composite material in this embodiment is as follows:

[0063] (1) Sawdust is crushed in advance to a particle size range of 3-6mm and an average particle size of 4.6mm, cottonseed hulls are crushed to a particle size range of 1-3mm and an average particle size of 2.2mm, and wheat bran is crushed to a particle size The size range is 40-60μm, the average particle size is 51μm, and then according to the mass percentage, mix 69% wood chips, 12% cotton seed hulls, 14% wheat bran, 1% gypsum, 1% lime, and 3% hemp grass to adjust the water content to 55%, then bagged, and sterilized by high-pressure steam at 121°C and 0.15kpa pressure for 25 minutes to make a biological medium;

[0064] (2) Inoculate the shiitake mushroom strain into the biological culture medium on the aseptic operation table, and carry out the first hyphae culture, that is, cultivate for 49 days at a constant temperature of 23°C, in the dark, and with an o...

Embodiment 3

[0068] The preparation method of mushroom mycelium bio-based composite material in this embodiment is as follows:

[0069] (1) Sawdust is crushed in advance to a particle size range of 3-6mm and an average particle size of 4.6mm, cottonseed hulls are crushed to a particle size range of 1-3mm and an average particle size of 2.2mm, and wheat bran is crushed to a particle size The size range is 40-60 μm, and the average particle size is 51 μm. According to the mass percentage, prepare 72% sawdust, 5% straw, 5% bagasse, 14% wheat bran, 2% gauze, 1% gypsum, and 1% lime. Mix sawdust, straw, bagasse, wheat bran, gypsum, and lime, adjust the water content to 57%, then pack into bags and sterilize under high-pressure steam at 121°C and 0.15kpa pressure for 25 minutes to make a biological medium;

[0070] (2) Inoculate the shiitake mushroom strain into the biological culture medium on the aseptic operation table, and carry out the first hyphae culture, that is, cultivate for 46 days at ...

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Abstract

The invention relates to a preparation method and application of a lentinus edodes mycelium bio-based composite material, and belongs to the technical field of bio-based materials. The preparation method comprises the following steps: preparing a biological culture medium; inoculating lentinus edodes strains into a biological culture medium, and carrying out primary mycelium culture; crushing a product obtained by the primary mycelium culture until no white mycelium appears, adding water and wheat flour, uniformly mixing, putting the mixture into a mold, and carrying out secondary mycelium culture to obtain a semi-finished product; baking, shaping and sterilizing the semi-finished product, and then taking out and airing the semi-finished product to obtain the lentinus edodes mycelium bio-based composite material. The preparation method of the lentinus edodes mycelium bio-based composite material is good in forming effect and excellent in mechanical property.

Description

technical field [0001] The invention belongs to the technical field of bio-based materials, and relates to a preparation method and application of mushroom mycelium bio-based composite materials. Background technique [0002] At present, most of the transportation packaging and heat insulation materials are petroleum-based polymers such as XPS or EPS, which are difficult to decompose in a short time in the natural environment, and are the main materials causing white pollution, destroying water quality and soil structure, and incineration. It will aggravate the greenhouse effect; at the same time, the petroleum resources for preparing petroleum-based polymers are non-renewable resources, which are increasingly depleted under the condition of over-exploitation. Sawdust, corncobs, straw and other agricultural wastes, if there is no other way, growers will choose to burn them on the field, causing air pollution. [0003] With the increasing attention of human beings to the env...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G18/40A01G18/20
CPCA01G18/40A01G18/20
Inventor 黄卫华丁雨婕陶祥生叶晓星叶长文
Owner 庆元县食用菌产业中心
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