A kind of humic acid type bird-repelling pheromone core-shell structure gel and its preparation method

A core-shell structure and pheromone technology, applied in the field of agricultural applications, can solve the problems of single action, short sustained release time, etc., and achieve the effects of low cost, reduced dosage, and reduced use

Active Publication Date: 2022-06-24
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are drug-loaded nanoparticles, which can achieve sustained release of drugs, but the effect is single and the sustained release time is short

Method used

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  • A kind of humic acid type bird-repelling pheromone core-shell structure gel and its preparation method
  • A kind of humic acid type bird-repelling pheromone core-shell structure gel and its preparation method
  • A kind of humic acid type bird-repelling pheromone core-shell structure gel and its preparation method

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preparation example Construction

[0027] The preparation method of the humic acid type bird repelling pheromone core-shell structure gel of the present invention comprises:

[0028] 1) Weigh the 80 mesh dried weathered coal, lignite or peat coal sample, add dilute hydrochloric acid in the ratio of 1g:(9~13)mL of solid-liquid ratio, heat and boil for activation, wash the precipitate to neutral after cooling, and then Add 10-20% concentration of sodium hydroxide solution at a solid-to-liquid ratio of 1:(8-12), heat and stir in a boiling water bath at 100°C for 1-3 hours, cool to room temperature, centrifugally filter, and weigh the amount of the filter residue. quality; dilute hydrochloric acid was added to the filtrate to adjust the pH to 1-3, and after standing for 24 hours, the mixture was filtered, and the precipitate was collected and dried to constant weight to obtain humic acid.

[0029] 2) Mix Span and Tween solution with a mass ratio of 1:(1-3), add 50-100 mL of liquid paraffin, and fully mix to obtain ...

Embodiment 1

[0034] A humic acid type bird repelling pheromone core-shell structure gel, the raw material components and the dosage are as follows:

[0035] Humic acid (weathered coal), ethyl cellulose, acrylic acid, bird repellant pheromone (methyl anthranilate), emulsifier (span 20, Tween 80, liquid paraffin), initiator, cross-linking agent. The addition ratio in parts by mass is 10:9:6:1:2:0.4:0.1.

[0036] The preparation process of the humic acid type green environmental protection antibacterial insect-proof pheromone polymer film:

[0037] 1) Weigh the weathered coal sample after drying with 80 mesh, according to the solid-liquid ratio of 1:9 (g·mL -1 ), add dilute hydrochloric acid to heat and boil for activation, after cooling, wash the precipitate to neutrality, then add 10% sodium hydroxide solution at a solid-to-liquid ratio of 1:8, and heat and stir in a boiling water bath at 100 ° C for 1 hour. , cooled to room temperature, centrifugally filtered, and the quality of the filt...

Embodiment 2

[0042] A humic acid type bird repelling pheromone core-shell structure gel, the raw material components and the dosage are as follows:

[0043] Humic acid (lignite), ethyl cellulose, acrylic acid, bird repellent pheromone (methyl anthranilate), emulsifier (span 40, Tween 80, liquid paraffin), initiator, cross-linking agent. The addition ratio in parts by mass is 14:10:8:4:6:0.4:0.1

[0044] The preparation process of the humic acid type green environmental protection antibacterial insect-proof pheromone polymer film:

[0045] 1) Weigh the dried lignite sample of 80 mesh, according to the solid-liquid ratio of 1:13 (g·mL -1 ), add dilute hydrochloric acid to heat and boil for activation, after cooling, wash the precipitate to neutrality, then add 20% sodium hydroxide solution at a solid-to-liquid ratio of 1:12, and heat and stir in a boiling water bath at 100 ° C for 1 hour. Cool to room temperature, centrifugally filter, and weigh the quality of the filter residue; add dilute ...

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Abstract

The invention provides a humic acid-type bird-repelling pheromone core-shell structure gel and a preparation method thereof. In parts by mass, the raw materials include: 10-15 parts of humate, 9-10 parts of cellulose, 6-8 parts A hydrophilic monomer, 1-4 parts of bird-repelling pheromone, 2-6 parts of emulsifier, 0.4-0.8 part of initiator and 0.1-0.2 part of cross-linking agent. Dissolve humate and cellulose in water, add hydrophilic monomer, bird repelling pheromone, initiator and cross-linking agent to carry out cross-linking reaction, add emulsifier under stirring condition for emulsification reaction to obtain water-in-oil type core Shell structure bird repellent gel. The invention alleviates the harm to the environment caused by the use of chemical pesticides, makes the bird-repelling ingredients slowly and persistently released, and achieves the purpose of bird-repelling.

Description

technical field [0001] The invention belongs to the technical field of agricultural application, and in particular relates to a humic acid-type bird repelling pheromone core-shell structure gel and a preparation method thereof. Background technique [0002] Most of the currently used bird repellents are chemical pesticides, and their extensive use not only poisons birds but also seriously pollutes the environment. Due to the improvement of the ecological environment and the enhancement of people's awareness of bird protection, as well as the improvement of the natural and human environment, the number of birds has increased year by year, but the following problem is the serious bird damage in orchards and rice fields. Repelling birds without harming them has become an urgent problem to be solved. [0003] The core-shell structure-coated drug can not only ensure the loading capacity of the drug, but also maintain the lasting efficacy of the drug and the biodegradability of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/24C08L97/00C08L1/28C08L33/02C08L33/26C08F120/06C08F120/56A01M29/12C08H7/00
CPCC08J3/246C08H6/00C08F120/06C08F120/56A01M29/12C08J2397/00C08J2401/28C08J2433/02C08J2433/26
Inventor 宋洁陈莉君牛育华李龙韩家旋
Owner SHAANXI UNIV OF SCI & TECH
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