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Nano seed coating agent and preparation method thereof

A technology of nano-seeds and coating agents, which is applied in the direction of seed coating/seed dressing, coating, etc., and can solve the problem that seed coating agents cannot adapt to various environmental conditions

Active Publication Date: 2020-10-20
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by this invention is that the seed coating agent in the prior art cannot be adapted to various environmental conditions, and a kind of nanometer seed coating agent is provided

Method used

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  • Nano seed coating agent and preparation method thereof
  • Nano seed coating agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The nano seed coating agent is mainly made of the following raw materials in parts by weight: 50 parts of modified attapulgite, 20 parts of amino silicone oil, 10 parts of nano-scale silicon dioxide, 50 parts of calcium peroxide, 870 parts of absolute ethanol, modified The mass ratio of attapulgite to calcium peroxide is 1:1.

[0048] The preparation method of nano seed coating agent in the present embodiment comprises the following steps:

[0049] (1) Using oxygen and ammonia as the gas source, the attapulgite powder is intermittently irradiated under vacuum conditions by using a plasma with a temperature of 500 ° C and a power of 1 KW. The irradiation interval is 3 minutes, and kept The effective irradiation time is 30 minutes;

[0050] (2) carry out 200 mesh sieves to the attapulgite obtained in step (1), obtain the modified attapulgite;

[0051] (3) Mix the modified attapulgite with amino silicone oil and silicon dioxide with 870 parts of absolute ethanol, heat an...

Embodiment 2

[0055] The nano seed coating agent is mainly made of the following raw materials in parts by weight: 100 parts of modified attapulgite, 30 parts of amino silicone oil, 20 parts of nanometer silicon dioxide, 100 parts of calcium peroxide, 750 parts of absolute ethanol, modified The mass ratio of attapulgite to calcium peroxide is 1:1.

[0056] The preparation method of nano seed coating agent in the present embodiment comprises the following steps:

[0057] (1) With oxygen and ammonia as the gas source, the attapulgite powder is intermittently irradiated under vacuum conditions by using a plasma with a temperature of 700°C and a power of 1KW. The irradiation interval is 3 minutes, and kept The effective irradiation time is 30 minutes;

[0058] (2) carry out 200 mesh sieves to the attapulgite obtained in step (1), obtain the modified attapulgite;

[0059] (3) Mix the modified attapulgite with amino silicone oil and silicon dioxide with 750 parts of absolute ethanol, heat and s...

Embodiment 3

[0063] The nano seed coating agent is mainly made of the following raw materials in parts by weight: 150 parts of modified attapulgite, 40 parts of amino silicone oil, 30 parts of nano-scale silicon dioxide, 150 parts of calcium peroxide, 630 parts of absolute ethanol, modified The mass ratio of attapulgite to calcium peroxide is 1:1.

[0064] The preparation method of nano seed coating agent in the present embodiment comprises the following steps:

[0065] (1) With oxygen and ammonia as the gas source, the attapulgite powder is intermittently irradiated under vacuum conditions by using a plasma with a temperature of 800°C and a power of 1KW. The irradiation interval is 3 minutes, and kept The effective irradiation time is 30 minutes;

[0066] (2) carry out 200 mesh sieves to the attapulgite obtained in step (1), obtain the modified attapulgite;

[0067] (3) Mix the modified attapulgite with amino silicone oil and silicon dioxide with 630 parts of absolute ethanol, heat and ...

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Abstract

The invention discloses a nano seed coating agent, relates to the technical field of ecological agriculture, and aims to solve the problem that a seed coating agent in the prior art cannot adapt to various environmental conditions. The invention is mainly prepared from the following raw materials in parts by weight: 2-200 parts of modified attapulgite, 2-40 parts of amino silicone oil, 2-40 partsof nanoscale silicon dioxide, 2-200 parts of calcium peroxide and 520-992 parts of ethanol. The beneficial effects of the invention are that seeds are effectively coated by the nano seed coating agent, a reticular nano protective layer is formed on the surfaces of the seeds, and the protective layer not only can efficiently absorb moisture in soil and air, but also can prevent the absorbed moisture from losing, so that the seeds can obtain the moisture required by germination under a relatively dry environment condition.

Description

technical field [0001] The invention relates to the technical field of ecological agriculture, in particular to a nano seed coating agent and a preparation method thereof. Background technique [0002] Seeds are the basis of the agricultural growth process and carry the development of agricultural technology. Therefore, it is very important to vigorously develop seed protection technology to promote agricultural growth. my country's arable land is widely distributed, and agricultural production is affected by various and complex environmental factors (drought, waterlogging, salinity, etc.). In the process of agricultural production, a large amount of pesticides, fertilizers and other chemical products are put in and accumulated, which also significantly affects the vigor of seeds to some extent. In this context, seed coating technology has developed rapidly. The use of seed coating can quickly reduce the amount of pesticides and seeds used and the pollution to the environm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/08C09D7/62C09D7/61A01C1/06
CPCC09D183/08C09D7/62C09D7/61A01C1/06C08K2201/011C08K9/00C08K3/346C08K3/36C08K3/18
Inventor 吴丽芳魏如月胡浩倪军姚缘圆
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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