Method for preparing molding moisture agent with high capability of anti-salt for protectiong forest in coastal beach

A water-retaining agent and shelter forest technology, applied in chemical instruments and methods, applications, organic fertilizers, etc., can solve problems such as difficulty in planting beach shelter forests, and achieve the effects of improving water retention and air permeability, improving water retention rate, and improving survival rate.

Inactive Publication Date: 2003-05-07
张华集
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the difficulties that existing beach shelterbelts are difficult to plant, the present invention prov

Method used

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  • Method for preparing molding moisture agent with high capability of anti-salt for protectiong forest in coastal beach
  • Method for preparing molding moisture agent with high capability of anti-salt for protectiong forest in coastal beach

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Embodiment 1

[0015] Dilute 12kg of NaOH with pure water to 80kg of aqueous solution, put it in the reaction kettle, start the mixer, slowly add 36kg of acrylic acid emulsion, control the temperature in the kettle to 80±2°C, stir for 15-20 minutes, then add 20g of crosslinking agent, After stirring for another 4 to 6 minutes, put it into the rotary pan, add 15g of initiator and stir evenly. Crushed by a crusher, screened out 40-100-mesh granular material, and then placed in a mixer, adding 400g of rare earth materials for surface modification (mixer stirring speed 500r·p·m, temperature 65±2°C, time 12~ 15 minutes), then add 2kg of high-efficiency compound fertilizer and 30g of slow-release agent, stir and mix for 5 minutes, and the finished water-retaining agent is ready.

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Abstract

A salt-resistant water-preserving agent for the protecting forest on beach is prepared through preparing sodium polyacrylate from acrylic acid, sodium hydroxide, cross-lining agent and trigger, surface modifying by RE material, and mixing with efficient compound fertilizer and slow-releasing agent. Its advantages are high water-preserving power, high looseness, and high durability.

Description

technical field [0001] The invention relates to new polymer chemical materials, in particular to a preparation and method of a high salt-resistant water-retaining agent applied to beach shelterbelts. Background technique [0002] my country has a coastline of 18,000 kilometers, and the losses caused by typhoons and tsunamis amount to tens of billions of yuan every year. Governments at all levels have always attached great importance to the planting and cultivation of beach shelterbelts. However, due to the high salinity and sand content of the beach soil, poor water retention, and lack of freshwater irrigation, the survival rate of beach shelterbelts is very low. The situation is only 5-20%, forming the situation of "planting trees every year but not seeing trees", wasting a lot of manpower and material resources. [0003] Retrieval of relevant materials including Chinese patents shows that there are no relevant reports on the research literature, achievements and patents o...

Claims

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Application Information

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IPC IPC(8): C05G3/70C09K17/40
Inventor 张华集王少峰叶盛京郑叙炎许有卯
Owner 张华集
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