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Application of organic silicone modified high-molecular compound as seed coating film former

A technology of high molecular compound and organic silicon, which is applied in the direction of seed coating/seed dressing, etc., can solve the problems of unreported use, etc., and achieve the improvement of coating uniformity, brightness and color brilliance, and good water resistance The effect of sex and water permeability

Active Publication Date: 2014-05-14
中国中化股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of certain organosilicon-modified polymer compounds in coatings, paints, leather and textile industries has been reported, but the use of such substances as seed coating film-forming agents has not been reported so far

Method used

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  • Application of organic silicone modified high-molecular compound as seed coating film former
  • Application of organic silicone modified high-molecular compound as seed coating film former
  • Application of organic silicone modified high-molecular compound as seed coating film former

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] In a four-necked flask with stirring, add 0.5 parts of vinyltrimethoxysilane, 5 parts of octamethylcyclotetrasiloxane, 1.5 parts of 99% acrylamide, 1 part of acrylic acid, 0.1 part of ammonium persulfate, 5 parts of butyl acrylate, 1 part of acrylonitrile, 0.2 part of sodium dodecylbenzene sulfonate, 0.1 part of N,N,N',N'-tetramethylethylenediamine, 750 parts of deionized water, add each After raw materials, quickly stir for 30 minutes, and then heat to 75 ℃-80 ℃, heat preservation and reaction for 2 hours, add polyvinyl alcohol solution containing 22.1 parts of polyvinyl alcohol and 100 parts of deionized water to the reaction system, and control the temperature at 80°C-82°C, after adding and continuing to stir and react for 1 hour, stop heating, cool to room temperature, adjust pH value with ammonia water, and stir to evenly discharge. The viscous transparent liquid is obtained, the pH is 6.8, the viscosity is 2200 mPaS at room temperature, the viscosity average molecu...

Embodiment 2

[0073] In a four-necked flask with stirring, add 0.5 parts of vinyltrimethoxysilane, 5 parts of octamethylcyclotetrasiloxane, 1.3 parts of 99% acrylamide, 1 part of acrylic acid, 0.2 parts of ammonium persulfate, 5 parts of butyl acrylate, 1 part of methyl methacrylate, 0.1 part of sodium dodecylbenzene sulfonate, 0.1 part of N,N,N',N'-tetramethylethylenediamine, 125 parts of deionized water, After adding all the raw materials, stir quickly for 30 minutes, then heat to 75°C-80°C, keep warm and react for 2 hours, add polyvinyl acetate containing 22.3 parts of polyvinyl acetate and 100 parts of deionized water to the reaction system Control the temperature of the solution at 80°C-82°C. After adding the solution, continue to stir and react for 1 hour, stop heating, cool to room temperature, adjust the pH value with ammonia water, and stir evenly to discharge. The viscous transparent liquid is obtained, the pH is 6.8, the viscosity is 1900 mPaS at room temperature, the viscosity av...

Embodiment 3

[0075] In a four-necked flask with stirring, add 0.5 parts of vinyl triethoxy silane, 5 parts of tetramethyl tetravinyl cyclotetrasiloxane, and then add 1 part of 99% acrylamide, 1 part of acrylic acid, and persulfuric acid. 0.1 part of ammonium, 5 parts of N-vinylpyrrolidone, 1 part of acrylonitrile, 0.2 part of sodium dodecylbenzene sulfonate, 0.1g of N,N,N',N'-tetramethylethylenediamine, deionized water 75 parts, after adding each raw material, quickly stir for 30 minutes, then heat to 75 ℃-80 ℃, keep the temperature for 2 hours, add 22.6 parts of carboxymethyl cellulose and 150 parts of deionized water to the reaction system Control the temperature of the carboxymethyl cellulose solution at 85°C-87°C. After the addition, continue to stir and react for 3 hours, stop heating, cool to room temperature, adjust the pH value with ammonia water, and stir to uniformly discharge. The viscous transparent liquid is obtained, the pH is 6.8, the viscosity is 2400 mPaS at room temperatur...

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Abstract

The invention discloses an application of an organic silicone modified high-molecular compound as a seed coating film former. The organic silicone modified high-molecular compound has a molecular structure fragment described in a general formula (I): definitions of all groups in the formula are described in the instruction. The film former with a reticular structure is formed by the crosslinking reaction of the molecular structure fragment in the general formula (1) and a soluble film forming material containing hydroxyl, amino, carboxyl, alkoxy and amide groups. The film former has good water resistance and water permeability, and can simultaneously meet the different requirements of a dry field and a paddy field. A seed coating agent prepared by adopting the film forming material meets the requirements on both viscosity and strength, has significant improvement on expulsion rate, viscosity and liquidity, and simultaneously has relatively high brightness and vividness.

Description

Technical field [0001] The invention belongs to the field of polymer chemistry and agricultural seed coating agents, and relates to the use of an organic silicon modified polymer compound as a seed coating film-forming agent. Background technique [0002] The film-forming agent for seed coating (referred to as the film-forming agent) is a substance that can adhere the active components such as pesticides, micro-fertilizers, growth regulators and slow-release agents in the seed coating agent to the surface of seeds and solidify into a film. [0003] Generally, different seed coating formulations contain different components, which can be summarized as active components and inactive components. Among them, the active ingredients mainly include insecticides, fungicides, plant growth regulators, fertilizers and beneficial microorganisms, etc., which are the effective ingredients that directly play a role in the seed coating agent, and their type, composition and content directly reflec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/06C08J3/24C08G77/442
Inventor 王鹏郝凤来智双
Owner 中国中化股份有限公司
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