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Preparation method of modified nanometer resin based wood lacquer

A resin-based, wood paint technology, applied in the direction of epoxy resin coatings, biocide-containing paints, coatings, etc., can solve the problems of not meeting the market requirements of coatings, uneven distribution of coating films, poor antibacterial properties, etc., and achieve strength improvement , improve the uniformity of distribution, improve the effect of strength

Inactive Publication Date: 2018-08-21
许水仙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the problems of low strength and poor antibacterial properties of ordinary wood paints, and the migration and agglomeration of nanoparticles during the film forming process, resulting in uneven distribution in the coating film, which cannot meet the requirements of the coating market. defect, a preparation method of modified nano-resin-based wood paint is provided

Method used

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  • Preparation method of modified nanometer resin based wood lacquer

Examples

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example 1

[0023]According to the mass ratio of 3:1, mix and stir the silica sol with a mass fraction of 18% and deionized water for 10 minutes to obtain a dispersion, and then add a silver nitrate solution with a concentration of 7% of the volume of the dispersion and a concentration of 0.5mol / L to the dispersion. , and mixed and stirred for 16 minutes to obtain an oxidation solution; according to the mass ratio of 1:5, anhydrous glucose and deionized water were mixed and placed in a beaker, and stirred and dissolved for 6 minutes to obtain a glucose solution, and then the glucose solution was added to the glucose solution. % absolute ethanol and 1% polyethylene glycol of glucose solution mass, continue to mix and stir to dissolve for 21min, and obtain the self-made glucose reduction solution; under constant temperature magnetic stirring, drop the self-made glucose reduction solution to the In the oxidation solution, stir and react at a temperature of 65°C for 1 hour, cool and discharge ...

example 2

[0025] According to the mass ratio of 3:1, mix and stir the silica sol with a mass fraction of 18% and deionized water for 11 minutes to obtain a dispersion, and then add a silver nitrate solution with a concentration of 7% of the volume of the dispersion and a concentration of 0.5mol / L to the dispersion. , and mixed and stirred for 18 minutes to obtain an oxidation solution; according to the mass ratio of 1:5, anhydrous glucose and deionized water were mixed and placed in a beaker, and stirred and dissolved for 7 minutes to obtain a glucose solution, and then the glucose solution was added to the glucose solution. % absolute ethanol and 1% polyethylene glycol of glucose solution quality, continue to mix and stir to dissolve 23min, obtain self-made glucose reducing solution; In the oxidation solution, stir and react at a temperature of 67°C for 1.5 hours, cool and discharge the material to obtain a self-made silver-loaded silica sol; mix and stir bisphenol A epoxy resin and acr...

example 3

[0027] According to the mass ratio of 3:1, mix and stir the silica sol with a mass fraction of 18% and deionized water for 12 minutes to obtain a dispersion, and then add a silver nitrate solution with a concentration of 7% of the volume of the dispersion and a concentration of 0.5mol / L to the dispersion. , and mixed and stirred for 20 minutes to obtain an oxidation solution; according to the mass ratio of 1:5, anhydrous glucose and deionized water were mixed and placed in a beaker, and stirred and dissolved for 8 minutes to obtain a glucose solution, and then the glucose solution was added to the glucose solution. % absolute ethanol and 1% polyethylene glycol in glucose solution quality, continue to mix and stir to dissolve for 24min to obtain self-made glucose reducing solution; under constant temperature magnetic stirring, add the self-made glucose reducing solution dropwise to In the oxidizing solution, stir and react at a temperature of 70°C for 1 to 2 hours, cool and disc...

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Abstract

The invention discloses a preparation method of a modified nanometer resin based wood lacquer, and belongs to the technical field of coating preparation. Firstly, bisphenol A epoxy resin is used for carrying out effective modification on acrylic resin under the effect of an emulsified liquid and an initating agent. Due to the fact that the bisphenol A epoxy resin is of extremely high cohesive force and a compact molecular structure, the distribution uniformity of nanometer silver particles in a film is improved, simultaneously a compact and firm network structure can be formed on the surface of a base through a silica solution, when silver nitrate loaded on the surface of the silica solution reaches a microorganism cell membrane, silver ions are slowly released under the effect of a home-made glucose reduction solution, due to the fact that the cell membrane is of negative electricity, the microorganism cell membrane is destroyed at an extremely low concentration through the silver ions depending on coulomb force, active oxygen ion free radicals and hydroxyl free radicals are generated, a reaction can perform with bacteria, a DNA double helical structure is destroyed, metabolic disturbance plays a bacteria inhibition role, and the wood lacquer has wide application prospects.

Description

technical field [0001] The invention discloses a preparation method of a modified nano-resin-based wood paint, which belongs to the technical field of paint preparation. Background technique [0002] Wood paint refers to a type of resin paint used on wood products, including polyester, polyurethane paint, etc., which can be divided into water-based and oil-based. According to gloss, it can be divided into high gloss, semi-matte and matte. According to the application, it can be divided into furniture paint, floor paint and so on. The history of human production and use of paint can be traced back to the Stone Age. A large amount of archaeological data has been found to prove that in the primitive society 7,000 years ago, human beings have used the fat, tree sap and natural pigments of wild animals to prepare primitive finishing materials, and painted with feathers and branches to achieve decoration. the goal of. [0003] At present, the types of paints commonly used by f...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D163/00C09D5/14C09D7/63C09D7/61
Inventor 许水仙杨明忠陈可
Owner 许水仙
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