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Root resistant agent for production of root resistant material and preparation method of root resistant agent

A root-blocking agent and a root-blocking technology, which are applied in the field of root-blocking materials used in the production of root-blocking materials and their preparation, can solve the problems of high price, increased cost of root-blocking materials, unfavorable promotion of root-blocking materials, etc., and achieve extended use Longevity, Integrity Guarantee, Effect of Reducing Penetrating Damage

Inactive Publication Date: 2016-03-30
雷小卫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing root-blocking agents on the market are all imported from abroad, which are expensive, which greatly increases the cost of root-blocking materials, so that it is not conducive to the promotion of domestic root-blocking materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The root-blocking agent used to produce root-blocking materials is prepared from the following raw materials in mass fractions: dimethyltetrachlorophenoxypropionic acid 30%, polyethylene glycol 24.5%, lauryl polyoxyethylene ether 5%, polyoxyethylene Dimethicone 1%, nonylphenol polyoxyethylene ether 0.2%, ethanol 1.5%, p-chlorophenoxyacetic acid 37.8%.

Embodiment 2

[0016] The root-blocking agent used to produce root-blocking materials is prepared from the following raw materials in mass fractions: dimethyltetrachlorophenoxypropionic acid 30.25%, polyethylene glycol 24.25%, lauryl alcohol polyoxyethylene ether 5.25%, polyoxyethylene Dimethicone 0.75%, nonylphenol polyoxyethylene ether 0.35%, ethanol 1.25%, p-chlorophenoxyacetic acid 37.9%.

Embodiment 3

[0019] The preparation method that is used to produce the anti-root agent of anti-root material in above-mentioned each embodiment, concrete preparation steps are as follows:

[0020] (1) Mix dimethyltetrachlorophenoxypropionic acid, p-chlorophenoxyacetic acid and absolute ethanol into the reaction kettle, and reflux under the catalysis of p-toluenesulfonic acid for 1.8-2.2h to prepare dimethyl a mixture of ethyl tetrachlorophenoxypropionate and ethyl p-chlorophenoxyacetate;

[0021] (2) Add polyethylene glycol, lauryl polyoxyethylene ether, polydimethylsiloxane, nonylphenol polyoxyethylene ether and ethanol to the mixture in the above reaction kettle, stir well, and let the static reaction last for 1.5~ 2.5h, after the reaction is over, take it out and let it cool naturally.

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Abstract

The invention discloses a root resistant agent for production of a root resistant material and a preparation method of the root resistant agent. The root resistant agent is prepared from dimethyl tetrachlorophenoxypropionic acid, polyethylene glycol, polyoxyethylene lauryl ether, polydimethylsiloxane, nonylphenol polyoxyethylene ether, ethyl alcohol and 4-chlorophenoxyacetic acid. According to the preparation method, dimethyl tetrachlorophenoxypropionic acid, 4-chlorophenoxyacetic acid and absolute ethyl alcohol are mixed, added to a reaction kettle and subjected to reflux under catalysis of p-Toluenesulfonic acid; then polyethylene glycol, polyoxyethylene lauryl ether, polydimethylsiloxane, nonylphenol polyoxyethylene ether and ethyl alcohol are added, stirred sufficiently and left to stand for reaction; a product after the reaction is taken out and cooled naturally. The root resistant agent has the functions that when a plant root system is contacted with a waterproof material containing the root resistant agent in a growth process, the plant root system is inhibited and expelled, so that the plant root system is prevented from growing downwards continuously, accordingly, the penetrating damage of the plant root system to a waterproof layer is reduced, the completeness of the waterproof layer is guaranteed, and the service life of the waterproof layer is prolonged greatly.

Description

technical field [0001] The invention relates to, in particular, a root-blocking agent for producing root-blocking materials and a preparation method thereof. Background technique [0002] In recent years, as the country attaches great importance to building energy conservation, the planted roof system has been widely promoted and applied. The effective life of the planting roof system depends to a certain extent on the root puncture resistance performance of the root puncture resistant waterproof material. [0003] Root puncture-resistant waterproof materials include physical root-resistant waterproof materials and chemical root-resistant waterproof materials. The physical root-resistance waterproof material resists the puncture of the plant root system through the compactness, high strength and high corrosion resistance of the root puncture-resistant waterproof material itself. Chemical root-blocking waterproof material is to add a certain amount of chemical root-blocking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/08C08L71/02C08L83/04C08K5/101
Inventor 雷小卫
Owner 雷小卫
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