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Water-based acrylic resin with high distinctness of image and preparation method thereof
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A water-based acrylic and distinct-image technology, applied in coatings and other directions, can solve the problems of water-based acrylic coatings with insufficient gloss, insufficient water-resistance effect, and unsatisfactory sharpness, etc., and achieves excellent hydrophobicity and UV resistance. ability, improve inversion effect, improve gloss effect
Pending Publication Date: 2022-06-14
ZHUZHOU FEILU ADVANCED MATERIAL TECH CO LTD
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However, in high-end fields such as rail transit, water-based acrylic coatings have defects such as insufficient gloss, heavy fog, insufficient sharpness of image, and poor water resistance.
[0003] For example, the publication number CN103342783A discloses a high-gloss water-based acrylic resin. Although it has the characteristics of high gloss, high hardness, high vividness and high fullness, the water resistance effect cannot meet the requirements; the publication number CN106188384A discloses the preparation of acrylic acid The resin method, although the water resistance and other properties are qualified, but the distinctness of image cannot meet the requirements
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Embodiment 1
[0040] A high freshness water-based acrylic resin of the present invention, mainly made of raw materials of the following number of parts by weight:
[0061] Mixture (5 parts of tert-carbonated glycidyl esters, 2 parts of tert-vinyl carbonate): 7 parts,
[0062] Solvent (31 parts of propylene glycol butyl ether, 25 parts of methyl ether acetate of propylene glycol): 56 parts.
[0063] The preparation method of the high freshness of the present embodiment of the water-based acrylic resin is the same as example 1.
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Abstract
The invention discloses water-based acrylic resin with high distinctness of image. The water-based acrylic resin is prepared from the following raw materials: an acrylic monomer, a styrenemonomer, an initiator, a chain transfer agent, a solvent and a mixed solution, wherein the mixed solution is prepared from glycidyl versatate and vinyl versatate in a mass ratio of 2.5: 1. The preparation method comprises the following steps: adding 80% of solvent into a reaction kettle, heating and preserving heat; mixing an acrylic monomer, a styrene monomer, a chain transfer agent and 90% of an initiator, and dropwise adding the mixture into the reaction kettle; dropwise adding a mixed solution composed of glycidyl versatate and vinyl versatate, and carrying out heat preservation; adding the residual solvent and initiator, preserving heat, cooling to 90-95 DEG C, dropwise adding an amine neutralizer solution, dispersing at a high speed, slowly dropwise adding deionized water at 90-95 DEG C, and carrying out reversed-phase emulsification to obtain the water-based acrylic resin. The waterborne acrylic resin provided by the invention can improve the gloss of the resin, reduce the viscosity of the resin, and improve the flexibility, impact resistance and water resistance of a paint film.
Description
Technical field [0001] The present invention belongs to the field of resin materials, in particular to a high freshness of aqueous acrylic resin and a method of preparation thereof. Background [0002] Waterborne acrylic resin has good lightfastness, weather resistance, light color, chemical resistance, good construction performance and low VOC, etc., and has been widely used in building latex paint and waterborne industrial coatings. However, in high-end areas such as rail transit, defects such as waterborne acrylic coatings are not high enough, fog shadows, lack of freshness and poor water resistance have also been exposed. [0003] For example, publication number CN103342783A discloses a high-gloss water-based acrylic resin, although it has the characteristics of high gloss, high hardness, high freshness and high fullness, but the water resistance effect does not meet the requirements; Publication number CN106188384A discloses the method of preparing acrylic resin, although th...
Claims
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