Substrate water retaining agent and preparation method thereof

A technology of water-retaining agent and matrix, which is applied in the fields of agriculture and forestry. It can solve the problems of slow degradability, poor water-retaining capacity, and high cost of polymer compounds, and achieve the effects of improving physical and chemical properties, long water-retaining time, and moderate pH
CN102558618AInactive Publication Date: 2012-07-11BEIJING FORESTRY UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING FORESTRY UNIVERSITY
Publication Date
2012-07-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a composite substrate water retaining agent. The water retaining agent comprises an additive and an adhesive, wherein the additive comprises soluble starch, bamboo charcoal powder or corncob pyrolysis powder; and the adhesive is beta-cyclodextrin and sodium carboxymethyl cellulose. The environment-friendly substrate water retaining agent is prepared from raw materials which are natural, pollution-free, wide in source and easy to degrade, has high water absorbing capacity and water retaining efficiency, can replace an expensive high molecular compound water retaining agent, and solves the problems that culture substrates (such as peat, turf and soil) in agriculture and forestry production and floriculture have low water retaining capacity, the common high molecular compound is low in degradation rate and high in cost, and the like.
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Description

technical field

[0001] The invention relates to a water-absorbing moisturizing agent of an environment-friendly material and a preparation method thereof, in particular to a water-retaining agent of a plant cultivation substrate and a preparation method thereof, and is suitable for the fields of agriculture and forestry. Background technique

[0002] Water retaining agent (Water retaining agent) is a chemical water-saving, high-tech drought-resistant product that has developed rapidly in recent years. It has been gradually applied to the production of flowers, seedlings and crops. The water retaining agent has the characteristics of fast absorption and slow release of water, which can reduce the surface water of the cultivation substrate and the evaporation of substrate water. That is to say, during the watering process, the water-retaining agent can store the gravitational water that cannot be continuously used by the plants, effectively increase the water holding capacity ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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