Solid polyacrylate resin containing anhydride functional group and preparation and use method thereof
A polyacrylate and acrylate technology, used in polyester coatings, epoxy coatings, coatings, etc., can solve the problem of affecting curing temperature and time window, affecting extinction, curing effect, low gloss and dead light, etc. problems, to achieve the effect of eliminating paint film defects, matting paint film defects, and improving appearance performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0040] A kind of acrylate resin containing anhydride group functional group, the preparation method is as follows:
[0041] 1) Heat 100mL of toluene to 85°C under nitrogen protection;
[0042] 2) Mix 1.2g of initiator azobisisobutyronitrile and 1g of molecular weight regulator with 10g of tetrahydrophthalic anhydride, 10g of isobornyl acrylate, 10g of styrene, 40g of methyl methacrylate and 30g of methyl acrylate to obtain a mixed solution ;
[0043] 3) Keep the solvent temperature at 85°C, add the mixed solution obtained in step 2) to toluene dropwise for 5 hours; after the dropwise addition, continue to keep warm for 30 minutes;
[0044] 4) Add 0.3 g of azobisisobutyronitrile dissolved in 10 ml of toluene to the reaction solution, and continue to keep warm for 4 hours;
[0045] 5) After the reaction, the temperature was raised to 150°C, the solvent was evaporated, the temperature was lowered to 120°C, and the material was discharged under nitrogen protection. The material ...
Embodiment 2
[0049] A kind of acrylate resin containing anhydride group functional group, the preparation method is as follows:
[0050] 1) Heat 100ml of toluene and xylene (1:1v / v) mixed solution to 120°C under nitrogen protection;
[0051]2) Mix 1.1g of initiator benzoyl peroxide and 0.6g of molecular weight regulator with 10g of methyl nadic acid anhydride, 30g of isobornyl methacrylate, 25g of tertiary vinyl carbonate, 20g of n-butyl methacrylate and n-butyl acrylate 15 g of butyl esters were mixed to obtain a mixed solution;
[0052] 3) Keep the solvent temperature at 120°C, add the mixed solution obtained in step 2) into the solvent dropwise, and the dropwise addition time is 4 hours; after the addition, continue to keep warm for 45 minutes;
[0053] 4) Add 0.2 g of benzoyl peroxide solution dissolved in 10 ml of toluene to the reaction solution, and continue to keep warm for 2 hours;
[0054] 5) After the reaction, raise the temperature to 190°C, evaporate the solvent, cool down t...
Embodiment 3
[0058] A kind of acrylate resin containing anhydride group functional group, the preparation method is as follows:
[0059] 1) Heat 100ml butyl acetate to 110°C under nitrogen protection;
[0060] 2) Mix 1.7g of initiator azobisisobutyronitrile and 0.8g of molecular weight regulator with 10g of nadic anhydride, 10g of methyl nadic anhydride, 15g of isobornyl acrylate, 15g of isobornyl methacrylate, and 10g of styrene, Vinyl tertiary carbonate 5g, ethyl methacrylate 10g, n-butyl methacrylate 10g, ethyl acrylate 10g, and isooctyl acrylate 5g were mixed to obtain a mixed solution;
[0061] 3) Keep the solvent temperature at 103°C, add the mixed solution obtained in step 2) into the solvent dropwise for 6 hours; after the addition is complete, continue the heat preservation reaction for 40 minutes;
[0062] 4) Add 0.25 g of azobisisobutyronitrile dissolved in 10 ml of butyl acetate to the reaction solution, and continue to keep warm for 3 hours;
[0063] 5) After the reaction, t...
PUM
| Property | Measurement | Unit |
|---|---|---|
| glass transition temperature | aaaaa | aaaaa |
| softening point | aaaaa | aaaaa |
| viscosity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More