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Preparation method of plant modified water-based crackle lacquer

A water-based crack paint and modification technology, applied in coatings, epoxy resin coatings, etc., can solve the problems of low safety performance, low VOC, poor adhesion, etc., achieve low VOC content, full paint film, and fast drying time Effect

Inactive Publication Date: 2017-03-22
周荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention: the current existing cracked paints are mainly oil-based, the generation of VOC has a huge impact on the environment, and the safety performance is low, and a large amount of matting powder and other color (filler) materials are needed in the formula to achieve cracks effect, and the existing cracked paint is brittle and has poor adhesion, and the problem of paint surface falling off after cracks and cracks often occurs. A preparation method for plant-modified water-based cracked paint is provided. The method obtains fermentation by fermenting lotus root and soybean. The supernatant, after mixing it with garcinia cambogia juice, first mixed with the natural resin peach gum to modify it, and then used it to modify the epoxy resin under the action of microorganisms to obtain a modified epoxy resin, and finally the epoxy resin Resin, water-based color paste and other raw materials are compounded to prepare a primer, and then a fluorocarbon resin is used to prepare a topcoat, which can be used together to obtain a cracked paint. The invention utilizes amino acids in lotus root and soybean fermentation liquid and hydroxycitric acid in garcinia cambogia Under the action of microorganisms, the epoxy resin is modified to increase a variety of active groups in the epoxy resin, and the primer is prepared by using it to increase the chemical bonding force between the cracked paint and the substrate to improve its adhesion. After curing, the primer has excellent properties. Excellent alkali resistance, adhesion and high flexibility, and has extremely low VOC, convenient construction and easy cleaning, and there will be no phenomenon of paint peeling off after cracks and cracks. It has broad application prospects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0020] First weigh 800g of fresh lotus root, wash it with deionized water and cut off both ends to expose the hole of the lotus root, then take 100g of soybeans and soak them in 3L of deionized water for 36 hours, take them out, and stuff the soaked soybeans into the holes of the washed lotus root , and finally cut the lotus root into thin slices with a thickness of 3mm with a knife, spread the slices evenly in the fermentation tank, then add distilled water to the tank to completely submerge the slices, seal the tank mouth and ferment at 35°C for 12 days; after the above fermentation is completed After filtering and separating to obtain the filtrate, use a centrifuge to centrifuge at 2000r / min for 10min, separate to obtain the supernatant, then weigh 300g of Garcinia cambogia, remove the core and squeeze the juice, filter to obtain the filtrate, and use the volume ratio of 3:1 to obtain the supernatant. The clear liquid and the filtrate are mixed evenly to obtain a plant-deriv...

example 2

[0023]First weigh 850g of fresh lotus root, wash it with deionized water and cut off both ends to expose the hole of the lotus root, then take 150g of soybeans and soak them in 4L of deionized water for 42 hours, take them out, and stuff the soaked soybeans into the holes of the washed lotus root , and finally cut the lotus root into slices with a thickness of 4mm with a knife, spread the slices evenly in the fermentation tank, then add distilled water to the tank to completely submerge the slices, seal the tank mouth and ferment at 38°C for 14 days; after the above fermentation is completed After filtering and separating to obtain the filtrate, use a centrifuge to centrifuge at 2500r / min for 13min, separate to obtain the supernatant, then weigh 350g of Garcinia cambogia, remove the core and squeeze the juice, filter to obtain the filtrate, and use the volume ratio of 3:1 to obtain the supernatant. The clear liquid and the filtrate are mixed evenly to obtain a plant-derived mod...

example 3

[0026] First weigh 900g of fresh lotus root and wash it with deionized water, then cut off both ends to expose the hole of the lotus root, then take 200g of soybeans and soak them in 5L of deionized water for 48 hours, take them out, and stuff the soaked soybeans into the holes of the washed lotus root , and finally cut the lotus root into thin slices with a thickness of 5mm with a knife, spread the thin slices evenly in the fermentation tank, then add distilled water to the tank to completely submerge the thin slices, seal the tank mouth and ferment at 40°C for 15 days; after the above fermentation is completed After filtering and separating to obtain the filtrate, use a centrifuge to centrifuge at a speed of 3000r / min for 15min, separate to obtain the supernatant, then weigh 400g of Garcinia cambogia, remove the core and squeeze the juice, filter to obtain the filtrate, and use the volume ratio of 3:1 to obtain the supernatant. The clear liquid and the filtrate are mixed even...

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Abstract

The invention discloses a preparation method of plant modified water-based crackle lacquer and belongs to the technical field of coating preparation. Lotus root and soybeans are fermented, a fermented supernatant fluid is obtained and then mixed with garcinia cambogia juice to obtain a mixture; then the mixture and natural resin of peach gum are mixed for modification to obtain a product, and epoxy resin is modified under the action of a microorganism through the product to obtain modified epoxy resin; and finally, the modified epoxy resin, water-based color paste and other raw materials are blended to obtain base coat, finishing coat is prepared through fluorocarbon resin, and the crackle lacquer can be obtained through combination of the base coat and the finishing coat. The epoxy resin is modified through amino acid in the fermented fluid of the lotus root and soybeans and hydroxycitric acid in garcinia cambogia under the action of the microorganism, various active groups in the epoxy resin are added, the base coat is prepared through the modified epoxy resin so that the chemical bonding force between the crackle lacquer and a base body can be increased, accordingly the attachment force of the crackle lacquer is increased, after curing of the base coat, excellent alkali resistance and attachment force are achieved, extremely low VOC and good flexibility are also achieved, the phenomenon that a lacquer face falls off after cracking of the crackles is avoided, and the application prospects are wide.

Description

technical field [0001] The invention discloses a preparation method of plant-modified water-based crack paint, which belongs to the technical field of paint preparation. Background technique [0002] In recent years, with the development of the national economy and the improvement of living standards, the style of architectural decoration is changing with each passing day. There are more and more varieties of materials used in decoration. Crackle paint has also quietly emerged in the decoration industry. The surface plays a protective and decorative role, and increases the added value of the product, so it is favored by the majority of users, and has gradually become a high-end decoration material commonly used in architectural decoration. [0003] Crackle paint is a kind of art paint, which can be used for decorative and protective coating of glass, doors and windows, cement walls and furniture, etc. It is also used in furniture and interior decoration. Crackle paint is pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D127/12C09D5/28C09D7/12C08G59/14
CPCC09D163/00C08G59/1438C08G59/1477C08L2205/035C09D5/28C09D7/63C09D7/65C09D127/12C08L91/06C08L83/04C08L1/286C08K5/17
Inventor 周荣张晶薛蕾
Owner 周荣
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