Boiling-resistant phosphorus-containing water-based acrylic dispersion resin as well as preparation method and application thereof
A water-based acrylic and acrylic resin technology, applied in the coating and other directions, can solve the problems of poor water-boil resistance and limited application of water-based coatings, and achieve the effect of improving the water-boil resistance.
Pending Publication Date: 2021-06-01
GUANGDONG RITOP FINE CHEM
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] However, because water-based acrylic resins contain a large number of carboxyl side groups, the water-based coatings prepared with them have poor water-boiling resistance, which limits their application in water-boilable paints.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1～5
[0041] Embodiments 1 to 5 provide a water-resistant phosphorus-containing acrylic dispersion resin, its formula is shown in Table 1, and its preparation method is as follows:
[0042] (1) Add a co-solvent to the container, raise the temperature to 140-145°C, then drop in all the acrylic resin monomer of Part I in 3 hours, and add an initiator with an amount of 45%-55%, and keep it warm for reaction after dropping 15-30min until the reaction is complete;
[0043] (2) Mix the acrylic resin monomer of part II and the acrylic resin monomer of part III to obtain the mixed monomer, and then drop all the mixed monomer into the reaction system of step (1) in 1 hour, and add the amount to account for 15% ~20% initiator, heat preservation reaction for 60~80min, then add the remaining amount of initiator, heat preservation reaction for 2~2.5h;
[0044] (3) Cool the reaction system in step (2) to 90±2°C, add a neutralizing agent, cool down to 80±2°C after the neutralization reaction is c...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides boiling-resistant phosphorus-containing water-based acrylic dispersion resin which comprises the following components in parts by weight: 25-32 parts of part I acrylic resin monomer, 0.2-5 parts of part II acrylic resin monomer, 4-15 parts of part III acrylic resin monomer, 10-20 parts of cosolvent, 0.5-2 parts of initiator, 1-5 parts of neutralizer and 35-45 parts of deionized water, wherein the part I acrylic resin monomer comprises isobornyl methacrylate, the part II acrylic resin monomer comprises methacrylate phosphate or acrylic acid epoxy phosphate, and the part III acrylic resin monomer comprises acrylic acid. The part II acrylic resin monomer and the part III acrylic resin monomer are simultaneously introduced into the polymerization product of the part I acrylic resin monomer, and the polymerization product is modified, so that the boiling resistance of the polymer is effectively improved. When the water-based acrylic dispersion resin is used for preparing the water-based amino baking varnish coating, the boiling resistance, the adhesiveness to a metal substrate, the mechanical property and the glossiness of a coating film can be remarkably improved.
Description
technical field [0001] The invention belongs to the technical field of boiling-resistant paint materials, and in particular relates to a boiling-resistant phosphorous-containing aqueous acrylic dispersion resin and a preparation method and application thereof. Background technique [0002] Water-based coatings are one of the development directions of environmentally friendly coatings. Water-based coatings use water as the dispersion medium and have the advantages of non-toxic environmental protection and low VOC content. Among them, water-based acrylic amino baking varnish is favored in the automobile, home appliance and other industries because of its high hardness, high gloss, good gloss and color retention, and excellent medium resistance. [0003] As the main resin of water-based acrylic amino baking varnish, water-based acrylic resin has good water solubility and can be compounded with amino resin to prepare water-based acrylic amino baking varnish with excellent compre...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/06C08F230/02C09D133/10
CPCC08F220/1811C09D133/10C08F220/06C08F230/02
Inventor 杨胜廷范晓东
Owner GUANGDONG RITOP FINE CHEM