Water-based acrylic resin for coil coatings and preparation method thereof
A technology of water-based acrylic and coil coatings, applied in the direction of coating, etc., can solve the problems of poor processability, low solid content of water-based acrylic resin, and the impact of resin coating film toughness on price, etc., to improve flexibility and hardness, and reduce production costs low cost, simple preparation
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example Construction
[0016] figure 1 It is a process step diagram of the method for preparing a water-based acrylic resin for coil coatings according to an embodiment of the present invention; the water-based acrylic resin is prepared from the following raw materials: butyl glycidyl ether, methyl methacrylate, styrene, butyl methacrylate , butyl acrylate, acrylic acid, hydroxypropyl acrylate, catalyst, chain transfer agent, initiator, neutralizer, acetone solvent, the preparation method includes the following steps: a) preparing mixed monomers, b) dropwise reaction Preparation of semi-finished products, c) neutralization and dispersion treatment to prepare finished products.
[0017] The coil coating water-based acrylic resin mentioned in the present invention adopts butyl glycidyl ether to modify the acrylic resin, and obtains the excellent performance of high solid content and high toughness; the coil coating made with it, the obtained coating film has Good flexibility and hardness, with high p...
Embodiment 1
[0019] The specific preparation method is as follows:
[0020] a) Preparation of mixed monomers, the specific preparation process is: first weigh 21% of butyl glycidyl ether, 7% of methyl methacrylate, 7% of styrene, and 2.5% of methacrylic acid by weight percentage Butyl ester, 10% butyl acrylate, 15% acrylic acid, 7% hydroxypropyl acrylate, 0.8% tetrabutylammonium bromide catalyst, 1% mercaptoethanol chain transfer agent, 1.7% benzyl peroxide Acyl initiator, 5% N,N-dimethylethanolamine neutralizer, 22% acetone solvent; then methyl methacrylate, styrene, butyl methacrylate, butyl acrylate, acrylic acid, acrylic hydroxy The propyl ester, the chain transfer agent and the initiator are put into a stirring vessel and mixed evenly to obtain a mixed monomer.
[0021] b) Dropping reaction to produce semi-finished products, the specific preparation process is: first, put the butyl glycidyl ether, acetone solvent and tetrabutylammonium bromide catalyst weighed in step a) into the rea...
Embodiment 2
[0024] The specific preparation method is as follows:
[0025] a) Preparation of mixed monomers, the specific preparation process is: first weigh 22% of butyl glycidyl ether, 8% of methyl methacrylate, 8% of styrene, and 3% of methacrylic acid by weight percentage Butyl ester, 11% butyl acrylate, 16% acrylic acid, 8% hydroxypropyl acrylate, 1% tetrabutylammonium bromide catalyst, 1.5% mercaptoethanol chain transfer agent, 2% benzyl peroxide Acyl initiator, 5.5% N,N-dimethylethanolamine neutralizer, 14% acetone solvent; then methyl methacrylate, styrene, butyl methacrylate, butyl acrylate, acrylic acid, acrylate hydroxy The propyl ester, the chain transfer agent and the initiator are put into a stirring vessel and mixed evenly to obtain a mixed monomer.
[0026] b) Dropping reaction to produce semi-finished products, the specific preparation process is as follows: first, put the butyl glycidyl ether, acetone solvent and tetrabutylammonium bromide catalyst weighed in step a) in...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More