Composite material and method for producing the same and composite material for plant cultivation and method for using the same

A composite material and plant cultivation technology, applied in the field of composite materials and its manufacturing, can solve the problems of lack of fertilizer retention in the medium, achieve excellent water retention and reduce environmental load

Active Publication Date: 2011-08-10
MITSUI CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the water retention of the above-mentioned medium is about 150% by weight, and the above-mentioned medium

Method used

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  • Composite material and method for producing the same and composite material for plant cultivation and method for using the same

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0148] Example

[0149] Hereinafter, preparation examples, examples, and comparative examples of the present invention will be given and described, but the present invention is not limited to the examples and the like.

Example

[0150] [Preparation Examples of Adhesives (A1 and A2)]

[0151] (Preparation of acrylic adhesive)

[0152] The emulsified monomer (a1) was prepared as follows: a mixture of 100 parts by weight of the monomer mixture (Aa1) and 0.5 parts by weight of a chain transfer agent (t-dodecanethiol) mixed in the ratio shown in Table 1 was dropped while stirring. into a mixed solution of 50 parts by weight of distilled water and 0.5 part by weight of sodium dodecylbenzenesulfonate. In addition, the emulsified monomer (a2) was prepared in the same manner as the emulsified monomer (a1) using the monomer mixture (Aa2) mixed in the ratio shown in Table 1.

[0153] Next, 95 parts by weight of distilled water and 0.1 part by weight of sodium dodecylbenzenesulfonate were added to a 1-liter flask, and the temperature was raised to 70° C. while stirring under nitrogen sealing, and then 1 part by weight of the above-mentioned emulsifying monomer (a1) was added. Or (a2), and 0.5 weight part of pot...

Example

[0156] [Preparation Example of Adhesive (B1)]

[0157] (Preparation of synthetic rubber latex adhesive)

[0158] The emulsified monomer (b1) was prepared as follows: a mixture of 1000 parts by weight of the monomer mixture (Bb1) and 5 parts by weight of the chain transfer agent (t-dodecanethiol) mixed in the ratio shown in Table 1 was dropped while stirring. into a mixed solution of 500 parts by weight of distilled water and 2 parts by weight of sodium dodecylbenzenesulfonate.

[0159] On the other hand, 500 parts by weight of distilled water, 1 part by weight of sodium dodecylbenzenesulfonate, and 5 parts by weight of potassium persulfate were placed in a 3-liter autoclave with a stirrer and sealed. After that, pressurize with nitrogen until the pressure in the autoclave becomes 5 kg / cm 2 , after standing for 5 minutes to check whether there is leakage, reduce the pressure to 500mmHg. The above-mentioned operation (pressurization-standstill-decompression) was repeated twic...

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Abstract

Provided are a composite material and a method for using the same, and more specifically, a composite material having an excellent water absorption rate (water retention rate) and fertilizer retention capability, which is obtained by being molded from at least (A) a material containing (i) an agricultural waste or (ii) an agricultural waste and lignocellulose and (B) a binder, as well as a method for using the same. The composite material is molded using 2 to 10 wt% by solid content of binder (B) per 100 wt% by total dry weight of agricultural waste product (i) or agricultural waste product and lignocellulose (ii).

Description

technical field [0001] The present invention relates to composite materials and methods for their manufacture. More specifically, it relates to a material (A) and a binder (B) molded from at least (i) agricultural waste or (ii) agricultural waste and lignocellulose, water absorption (water retention) and Composite material excellent in fertilizer retention, method for producing the same, composite material for plant cultivation containing the same, and method for using the same. Background technique [0002] Currently, various plant cultivation media (for example, plant growth slabs) have been proposed for urban greening applications such as roof greening and wall greening, or for soil protection and the like (for example, Patent Documents 1 to 4). The above-mentioned medium is widely used because it can grow plants even in an environment without soil such as asphalt. [0003] However, since the above-mentioned medium generally has extremely low water retention, irrigation...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G9/10B27N3/00
CPCA01G31/001A01G9/1086B27N3/007A01G24/22
Inventor 伊藤武志山中健司丸山诚
Owner MITSUI CHEM INC
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