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Shellac waste residue culture medium for soilless cultivation and preparation method thereof

A culture medium and soilless cultivation technology, applied in the direction of culture medium, planting medium, botanical equipment and methods, etc., can solve the problems of waste of natural resources and achieve the effect of promoting the utilization of resources

Active Publication Date: 2018-06-08
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve and overcome the problem of the extreme waste of precious natural resources and technical defects, the lac slag after extracting lac jaulicic acid can only be discarded or burned as fuel in the prior art

Method used

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  • Shellac waste residue culture medium for soilless cultivation and preparation method thereof
  • Shellac waste residue culture medium for soilless cultivation and preparation method thereof
  • Shellac waste residue culture medium for soilless cultivation and preparation method thereof

Examples

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preparation example Construction

[0031] The preparation method of shellac waste slag glue foam material culture substrate described in the embodiment of the present invention 1~9, concrete operation steps are as follows:

[0032](1) Weigh shellac waste residue glue, TGIC, composite blowing agent and polyethylene glycol according to the formula; raise the temperature of shellac waste residue glue to 60°C under electric stirring (it can also be heated to the range of 50~80°C Any temperature, such as 50°C, 80°C), stir for 15 minutes, add the measured TGIC and composite blowing agent, and then add the volumetric composite filler, continue to stir for 30 minutes and 10~30 minutes to make it evenly mixed.

[0033] (2) Pour the mixture into a round table-shaped molding mold that has been coated with release agent silicone oil, and then place it at 180 0 C (can also take 160~180 0 Any temperature within the range of ℃, such as 160 ℃, 180 ℃) heating and curing foaming in an oven for 30min 30~45min (can also take any ...

Embodiment 1

[0036] For the preparation methods of Examples 1-9, refer to the preparation method of Example 1, and see Table 1 for the proportions of raw materials by mass.

[0037] Table 1 The ratio of raw materials in parts by mass of shellac waste slag rubber foam material culture substrate (embodiments 1-9)

[0038]

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Abstract

The invention discloses a shellac waste residue culture medium for soilless cultivation and a preparation method thereof, and belongs to the technical field of soilless cultivation. The shellac wasteresidue culture medium is prepared from, by weight, 100 parts of shellac waste residues, 8-13 parts of TGIC, 1.5-15 parts of composite foaming agent, 2-10 parts of polyethylene glycol and composite filler; the volume mass ratio of the composite filler to the shellac waste residues is 3.3-3.7 mL / g. The preparation method comprises the steps that the shellac waste residues are heated to 60 DEG C under electric stirring, the measured TGIC and composite foaming agent are added, stirred and mixed evenly, then a measured volume of composite filler is added, and stirring continues to make the mixturemixed evenly; the mixture is poured into a molding die coated with release agent silicone oil and then placed in an oven for heating solidification and foaming; the molding die (containing the materials) is transferred into another oven for curing, and a foaming material is obtained after cooling and demolding. The shellac waste residue resources are utilized for the foaming material, and the foaming material has good properties and degradability.

Description

technical field [0001] The invention relates to a lac waste residue culture substrate for soilless cultivation and a preparation method thereof, belonging to the technical field of soilless cultivation. Background technique [0002] Lac, also known as shellac, is a purple-red natural resin secreted by lac insects parasitic on the branches of some leguminous plants and sucking sap. Its main production areas are in Yunnan, Guizhou, Sichuan and other places. An important renewable resource (Huang Xijian, Tang Hui, etc., properties and applications of shellac [J], Hangzhou Chemical Industry, 2009, 39 (1); 11-15). In order to improve the utilization value of this characteristic resource, the natural lac granule glue is generally deep-processed in the industry to produce sheet glue, decolorized glue and bleached glue, and to extract lac pigment, lac wax and lac tung acid ([1] Liao Yalong et al., current situation and trend of shellac deep processing technology at home and abroad ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/22A01G24/30A01G24/10A01G24/27A01G24/28A01G24/15
Inventor 唐辉张晓春
Owner KUNMING UNIV OF SCI & TECH
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