Environment-friendly water-based adhesive and preparation method thereof
A water-based adhesive, environmentally friendly technology, applied in the direction of adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of slow volatilization speed and the need to improve the holding force, to improve the surface performance and facilitate industrialization. The effect of low production and preparation costs
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
preparation example Construction
[0026] Embodiments of the present invention provide an environmentally friendly aqueous adhesive preparation method, including the following steps:
[0027] S1, will nano SiO 2 And the silane coupling agent was added to the reactor and heated to 40-60 ° C under stirring conditions, and the reaction was filtered after 30-60 min, and the drying was filtered to dryness to obtain modified nano SiO 2 Using surface modifier silane coupling agent to nano SiO 2 Surface cladding, so that surface modifiers in nano SiO 2 The reaction is carried out on the surface of the particles to form a surface modified layer, introduced into an active group, thereby improving nano-SiO 2 The surface properties of the particles.
[0028] S2, re-modified nano-SiO 2 Add to ion water dilution, ultrasonic 30-60 min, modified nano-SiO 2 Solution.
[0029] S3, mixing ethylene-vinyl acetate emulsion, NaOH solution, and lauric acid, stirred to 40-60 ° C, then heat insulation 1-2 h; heat a hydrolysis treatment of e...
Embodiment 1
[0042] S1, 0.3g nano SiO 2 (Particle size 60-80 nm) and 10 g of 550 silane coupling gamma-aminopropyltriethoxysilane were added to the reactor, and heated to 50 ° C under stirring conditions, reaction for 30 min, and filtered after cooling Get modified nano SiO 2 .
[0043] S2, modified nano SiO 2 Placed in a beaker, then add 10g deionized water dilution, place it in ultrasound cleaner for 30 min, to modify nano SiO 2 Solution.
[0044] S3, 20 g of vinyl acetate emulsion (solid content of 50%), 1.5 g of 0.1 mol / l NaOH solution and 0.05 g of lauric acid were stirred in the container to 50 ° C, and then held for 2 h.
[0045] S4, take the ethylene-vinyl acetate emulsion, 1 g of acetate emulsion, 0.05 g of surfactant dodecyl sulfate, 0.02 g of silicone defoaming agent, and step S2 to modified nano SiO 2 The solution was placed in the reactive vessel and stirred until 50 ° C, and held for 1 h.
[0046] After the end of the reaction, the reaction solution was cooled to room temperatu...
Embodiment 2
[0050] S1, 0.3g nano SiO 2 (Particle size 60-80 nm) and 10 g of 550 silane coupling gamma-aminopropyltriethoxysilane were added to the reactor, and heated to 50 ° C under stirring conditions, reaction for 30 min, and filtered after cooling Get modified nano SiO 2 .
[0051] S2, modified nano SiO 2 Placed in a beaker, then add 10g deionized water dilution, place it in an ultrasonic cleaner for ultrasound 40min, modified nano-SiO 2 Solution.
[0052] S3, 20 g of vinyl acetate emulsion (solid content of 50%), 1.5 g of 0.1 mol / l NaOH solution and 0.05 g of lauric acid were stirred in the container to 50 ° C, and then held for 2 h.
[0053] S4, take the ethylene-vinyl acetate emulsion, 1 g of acetate emulsion, 0.05 g of surfactant dodecyl sulfate, 0.02 g of silicone defoaming agent, and step S2 to modified nano SiO 2 The solution was placed in the reactive vessel and stirred until 50 ° C, and held for 1 h.
[0054] After the end of the reaction, the reaction solution was cooled to ro...
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More