Low-viscosity high-speed cigarette adhesive and preparation method thereof
A low-viscosity, cigarette adhesive technology, applied in the direction of adhesives, adhesive types, grafted polymer adhesives, etc., can solve the problem of unsuitable high-speed applications, low product bonding efficiency, lap adhesive viscosity and stickiness The connection speed cannot meet the corresponding requirements and other problems, so as to ensure the storage stability, reduce the probability of generation, and increase the particle size.
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[0026] Example 1
[0027] Put 800g of VAE emulsion CW JZ-Ⅱ emulsion (Sinopec Group Chongqing Chuanwei Chemical Co., Ltd.) into the reactor, start the stirrer, then add 92.0g water, 3.0g sodium bicarbonate and 5.0g hydrogen peroxide with a concentration of 27.5% to complete Then start to heat up; when the temperature of the materials in the reactor rises to 80±2°C, keep the temperature at 80±2°C for 30min; then add a mixture of 80.0g vinyl acetate monomer and 10.0g ethylene glycol at a constant rate of 0.75g / min. The feeding time is 120min. While starting to feed the mixture of vinyl acetate monomer and ethylene glycol, a total of 13.0g of potassium persulfate solution (concentration of 10%) was added at a rate of 0.1g / min. The feeding time was 130min. The feeding process kept the reaction temperature at 80±2℃; After the potassium persulfate solution is added, the reaction temperature rises to 85-90℃, and then a total of 16.0g sodium metabisulfite solution (concentration is 6%) i...
Example Embodiment
[0030] Example 2
[0031] Add 800.0g of VAE emulsion CW JZ-Ⅱ emulsion (Sinopec Group Chongqing Chuanwei Chemical Co., Ltd.) into the reactor, start the stirrer, and then add 100.0g water, 3.0g sodium bicarbonate and 1.0g hydrogen peroxide with a concentration of 27.5%. After completion, start to heat up; when the temperature of the materials in the reactor rises to 80±2℃, keep the temperature at 80±2℃ for 30min; then add a mixture of 80.0g vinyl acetate monomer and 10.0g ethylene glycol at a rate of 0.75g / min , The feeding time is 120min. While starting to feed the mixture of vinyl acetate monomer and ethylene glycol, a total of 13.0g of potassium persulfate solution (concentration of 10%) was added at a rate of 0.1g / min. The feeding time was 130min. The feeding process kept the reaction temperature at 80±2℃; After the potassium persulfate solution is added, the reaction temperature is increased to 85-90℃, and then a total of 18.0g sodium metabisulfite solution (concentration is...
Example Embodiment
[0035] Example 3
[0036] Put 700.0g of VAE emulsion CW 40-707 emulsion (Sinopec Group Chongqing Chuanwei Chemical Co., Ltd.) into the reactor, start the stirrer, and then add 120.0g of water, 3.0g of sodium bicarbonate and 6.0g of 27.5% hydrogen peroxide. After the completion, start to heat up; when the temperature of the materials in the reactor rises to 80±2℃, keep the temperature at 80±2℃ for 30min; then add a mixture of 120.0g vinyl acetate monomer and 10.0g glycerol at a constant rate of 1.1g / min , The feeding time is 120min. While starting to feed the mixture of vinyl acetate monomer and glycerol, a total of 16.0 g of potassium persulfate solution (with a concentration of 10%) was added at a rate of 0.12 g / min. The feeding time was 130 min. The feeding process kept the reaction temperature at 80±2℃; After the potassium persulfate solution is added, the reaction temperature is increased to 85-90℃, and then a total of 18.0g sodium erythorbate solution (concentration is 6%) ...
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