High-scratch resistance two-component nano-modified acrylic varnish and preparation method thereof
A technology of acrylic varnish and nano-modification, applied in coatings, polyurea/polyurethane coatings, etc., can solve the problems of reduced brightness changes at scratches, unknown, and no explanation for the increase in scratch resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0012] In a clean and standard container, weigh 15 parts of acrylic resin a (solid content 70%, acid value 6mgKOH / g, hydroxyl content 4.2%), acrylic resin b (solid content 50%, acid value 3mgKOH / g, hydroxyl Content 2.0%) 20 parts, acrylic resin c (solid content 70%, acid value 9mgKOH / g, hydroxyl content 2.24%) 22 parts, nano silicon dioxide 20 parts and 6 parts propylene glycol methyl ether acetate, start the disperser, in Stir at a medium speed at a speed of 700r / min and disperse evenly for 5 minutes to obtain a pre-dispersed resin; then add 5 parts of xylene, 9.5 parts of 100 # Solvent oil, 0.3 parts of substrate wetting agent, 0.5 parts of leveling agent, 1.1 parts of ultraviolet absorber, 0.6 parts of light stabilizer, stir and disperse at a medium speed at a speed of 800r / min for 1 hour to obtain component A; group B One part needs to be obtained by adding 70 parts of HDI trimer curing agent and 30 parts of dehydrated n-butyl acetate into a clean container, stirring until...
Embodiment 2
[0015] In a clean and standard container, weigh 16 parts of acrylic resin a (solid content 70%, acid value 6mgKOH / g, hydroxyl content 4.2%), acrylic resin b (solid content 50%, acid value 3mgKOH / g, hydroxyl Content 2.0%) 21 parts, acrylic resin c (solid content 70%, acid value 9mgKOH / g, hydroxyl content 2.24%) 23 parts, nano silicon dioxide 17 parts and 8 parts propylene glycol methyl ether acetate, start the disperser, in Stir at a medium speed at a speed of 700r / min to disperse evenly for 5 minutes to obtain a pre-dispersed resin; then add 6 parts of xylene, 7 parts of 100 # Solvent oil, 0.2 parts of substrate wetting agent, 0.4 parts of leveling agent, 0.9 parts of ultraviolet absorber, 0.5 parts of light stabilizer, stir and disperse at a medium speed at a speed of 800r / min for 1 hour to obtain component A; component B It is necessary to add 70 parts of HDI trimer curing agent and 30 parts of dehydrated n-butyl acetate into a clean container, stir until it is evenly disper...
Embodiment 3
[0017] In a clean and standard container, weigh 18 parts of acrylic resin a (solid content 70%, acid value 6mgKOH / g, hydroxyl content 4.2%), acrylic resin b (solid content 50%, acid value 3mgKOH / g, hydroxyl content Content 2.0%) 21 parts, acrylic resin c (solid content 70%, acid value 9mgKOH / g, hydroxyl content 2.24%) 25 parts, nano silicon dioxide 15 parts and 8.5 parts propylene glycol methyl ether acetate, start the disperser, in Stir at a medium speed at a speed of 700r / min to disperse evenly for 5 minutes to obtain a pre-dispersed resin; then add 6.3 parts of xylene, 5 parts of 100 # Solvent oil, 0.1 part of substrate wetting agent, 0.2 part of leveling agent, 0.6 part of ultraviolet absorber, 0.3 part of light stabilizer, stir and disperse at a medium speed at a speed of 800r / min for 1 hour to obtain component A; component B It is necessary to add 70 parts of HDI trimer curing agent and 30 parts of dehydrated n-butyl acetate into a clean container, stir until it is evenl...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com