A preparation for degrading pesticide residues in natural fabrics, its preparation method and application

A technology of fabrics and middle farmers, which is applied in the field of preparations for degrading pesticide residues in natural fabrics. It can solve problems such as difficulties in ethanol recovery, damage to fiber strength, and environmental pollution, and achieve good overall performance, low cost, and broad application prospects.

Active Publication Date: 2021-02-12
苏州衣然生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current methods often have different defects, such as: degrading with ethanol, in addition to high cost and difficulty in ethanol recovery causing environmental pollution, it also damages fiber strength

Method used

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  • A preparation for degrading pesticide residues in natural fabrics, its preparation method and application
  • A preparation for degrading pesticide residues in natural fabrics, its preparation method and application
  • A preparation for degrading pesticide residues in natural fabrics, its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Nano silver-loaded titanium dioxide is prepared by the following methods:

[0035] S1. Heat 100mL 2mol / L silver nitrate solution in a water bath to 40°C, add 0.06mol polyvinylpyrrolidone, add 0.24mol tea polyphenol while stirring, and react for 1 hour to prepare nano-Ag particles;

[0036] S2. Take 1mol Ti(OC 4 h 9 ) 4 Mix with absolute ethanol, add 0.1mol nano-Ag particles, stir evenly to make liquid A; take 50mL absolute ethanol, 30mL glacial acetic acid and 20mL distilled water, mix evenly to make liquid B; slowly pour into liquid A while stirring Add solution B dropwise, continue to stir until the solution turns into a gel, seal and age for 13 hours, put it in a drying oven for drying at a constant temperature of 80°C, take it out after it is completely dry, put it in a muffle furnace, and heat it at 6°C / h The heating rate was increased to 450°C, the calcination was continued for 2 hours, and the ball mill was taken out to obtain nanometer silver-loaded titanium ...

Embodiment 2

[0043] Nano silver-loaded titanium dioxide is prepared by the following methods:

[0044] S1. Heating the silver nitrate solution to 50° C. in a water bath, adding polyvinylpyrrolidone, adding tea polyphenols while stirring, and reacting for 2 hours to prepare nano-Ag particles;

[0045]S2. Take 1mol Ti(OC 4 h 9 ) 4 Mix with absolute ethanol, add 0.3mol nano-Ag particles, stir evenly to make liquid A; take 50mL absolute ethanol, 30mL glacial acetic acid and 20mL distilled water, mix evenly to make liquid B; slowly pour into liquid A while stirring Add liquid B dropwise, continue to stir until the solution becomes a gel, seal and age for 15 hours, put it in a drying oven for drying at a constant temperature of 80°C, take it out after it is completely dry, put it in a muffle furnace, and heat it at 6°C / h The heating rate was increased to 450°C, the calcination was continued for 2 hours, and the ball mill was taken out to obtain nanometer silver-loaded titanium dioxide.

[00...

Embodiment 3

[0052] Nano silver-loaded titanium dioxide is prepared by the following methods:

[0053] S1. Heating the silver nitrate solution in a water bath to 45°C, adding polyvinylpyrrolidone, adding tea polyphenols while stirring, and reacting for 1.5 hours to prepare nano-Ag particles;

[0054] S2. Take 1mol Ti(OC 4 h 9 ) 4 Mix with absolute ethanol, add 0.2mol nano-Ag particles, stir evenly to make liquid A; take 50mL absolute ethanol, 30mL glacial acetic acid and 20mL distilled water, mix evenly to make liquid B; slowly pour into liquid A while stirring Add liquid B dropwise, continue to stir until the solution becomes a gel, seal and age for 14 hours, put it in a drying oven for drying at a constant temperature of 80°C, take it out after it is completely dry, put it in a muffle furnace, and heat it at 6°C / h The heating rate was increased to 450°C, the calcination was continued for 2 hours, and the ball mill was taken out to obtain nanometer silver-loaded titanium dioxide.

[0...

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Abstract

The present invention proposes a preparation method of a preparation for degrading pesticide residues in natural fabrics, which is prepared according to the following method: S1. Add pure water to the rice, continuously wash it with the hands, and turn it into white opaque rice swill, filter, take out the rice, and the rice swill in Put it in the incubator for 7 days, it will give off a sour smell, and set it aside; S2. Add the rice taken out in step S1 into pure water, soak for 24 hours, beat it into a silky rice slurry with a beater, put it in the incubator for 7 days, and send out Sour taste, standby; S3. Combine the slurries prepared in step S1 and step S2 and homogeneously, after standing in the incubator for 48 hours, add activated carbon particles, diatomaceous earth and nano silver-loaded titanium dioxide, stir evenly, and prepare Preparations for degrading pesticide residues in natural fabrics. The preparation method of the invention is simple, the source of raw materials is wide, the operation is convenient, the removal effect on pesticide residues is high, the efficiency is high, no pollution, no damage to natural fabrics, no stimulation to skin, and good comprehensive performance.

Description

technical field [0001] The invention relates to the technical field of pesticide residue degradation, in particular to a preparation for degrading pesticide residues in natural fabrics. Background technique [0002] Nowadays, the general public attaches great importance to food safety, and the focus of concern is that the food contains heavy metals, pesticides, fertilizers, aflatoxin and other pesticide residues, but people also contain the above pesticide residues in cotton and silk fabrics. Little is known about the conditions that affect human health, and most people don't know much about the existence of this phenomenon. Farmers use a lot of chemical fertilizers, pesticides, insecticides, etc. in the process of planting cotton, planting mulberry, and raising silkworms. Most of these pesticide residues that are harmful to human health are contained in liposomes, which are insoluble Therefore, these harmful substances are not easy to be degraded and exist in the process o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M11/74D06M11/83D06M11/79D06M15/11D06M15/15D06M101/06D06M101/10
Inventor 杨豪臻杨瑶瑶
Owner 苏州衣然生物科技有限公司
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