High-strength antifreezing single-component plate-splicing adhesive and preparation method thereof
A one-component, jigsaw adhesive technology, applied in the direction of adhesives, polymer adhesive additives, non-polymer adhesive additives, etc. The effect of strong damp heat, good product stability and high bonding strength
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Embodiment 1
[0035] Example 1: Water 200kg, EVA emulsion Celanese cp149 50Kg, sodium acrylamido sulfonate 1 kg, 1% sodium bicarbonate 50 Kg, 1%Kps 40 Kg, VAc 90 Kg, GMA 22 Kg, 2-EHA 6 Kg, appropriate amount of pH regulator, 0.5kg of residual single treatment agent, 20kg of auxiliary agent, 10kg of hpmc;
[0036] The production process is as follows: first add water and EVA emulsion into the reaction kettle, raise the temperature to 85°C, add reactive emulsifier and pH buffer, stir for 20 minutes until uniform and free of bubbles, then add initiator and monomers VAc, GMA and 2-EHA, react for 5 hours, then heat up to 90°C for 1.5 hours, then cool down to 63°C, add pH regulator to adjust pH to 6, add additives, residue treatment agent, viscosity regulator and stir for 60 Minutes until uniform, then after cooling down to 25°C, filter and pack the finished product.
Embodiment 2
[0037] Example 2: Water 250kg, EVA emulsion Celanese cp149 35Kg, sodium acrylamido sulfonate 1.5 kg, 1% sodium bicarbonate 80 Kg, 1%Kps 70 Kg, VAc 120 Kg, GMA 26 Kg, 2-EHA 13 Kg, appropriate amount of pH regulator, 1.0kg of residual single treatment agent, 15kg of auxiliary agent, and 6kg of hpmc. The production process can be made according to the method described in Example 1.
Embodiment 3
[0038] Example 3: Water 270kg, EVA emulsion Celanese cp149 58Kg, sodium acrylamidosulfonate 2.0 kg, 1% sodium bicarbonate 95 Kg, 1%Kps 90 Kg, VAc 140 Kg, GMA 29 Kg, 2-EHA 10 Kg, appropriate amount of pH regulator, residual single treatment agent 2.1kg, auxiliary agent 30kg, hpmc 20kg. The production process can be made according to the method described in Example 1.
[0039] The performance test indicators of the high-strength antifreeze one-component panel glue prepared in Examples 1-3 refer to relevant standards (test environment: temperature: 25°C, humidity: 70%) as shown in Table 1:
[0040] Table 1:
[0041] index Example 1 Example 2 Example 3 Exterior white viscous liquid white viscous liquid white viscous liquid Solid content 44.3% 35.1% 29.30% viscosity 12000mpa.s 9000mpa.s 13000mpa.s Tensile shear strength 15Mpa 12Mpa 16Mpa Tensile Shear Wet Strength 6 MPa 5.8 MPa 5.1 MPa 80 ℃ boiled adhesive par...
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