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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Embodiment 1
[0027] Add 800 g of VAE emulsion CW JZ-II emulsion (Sinopec Chongqing Chuanwei Chemical Co., Ltd.) into the reactor, start the stirrer, then add 92.0 g of water, 3.0 g of sodium bicarbonate and 5.0 g of 27.5% hydrogen peroxide to complete Then start to heat up; when the temperature of the material in the reactor rises to 80±2°C, keep the temperature at 80±2°C for 30 minutes; then add the mixture of 80.0g vinyl acetate monomer and 10.0g ethylene glycol at a constant speed of 0.75g / min, The feeding time was 120 min. When vinyl acetate monomer and ethylene glycol mixture start to feed, add the potassium persulfate solution (concentration is 10%) that total amount is 13.0g with the speed of 0.1g / min, the feeding time is 130min, and the feeding process keeps reaction temperature at 80±2°C; After the potassium persulfate solution is added, the reaction temperature rises to 85-90°C, and then quickly add a total of 16.0g of sodium metabisulfite solution (concentration: 6%); after 30 m...
Embodiment 2
[0031] 800.0 g of VAE emulsion CW JZ-II emulsion (Sinopec Chongqing Chuanwei Chemical Co., Ltd.) was added to the reactor, the stirrer was started, and then 100.0 g of water, 3.0 g of sodium bicarbonate and 1.0 g of 27.5% hydrogen peroxide were added, After the completion, start to heat up; when the temperature of the material in the reactor rises to 80±2°C, keep the temperature at 80±2°C for 30 minutes; then add the mixture of 80.0g vinyl acetate monomer and 10.0g ethylene glycol at a constant speed of 0.75g / min , The feeding time is 120min. When vinyl acetate monomer and ethylene glycol mixture start to feed, add the potassium persulfate solution (concentration is 10%) that total amount is 13.0g with the speed of 0.1g / min, the feeding time is 130min, and the feeding process keeps reaction temperature at 80±2°C; After the potassium persulfate solution is added, the reaction temperature rises to 85-90°C, and then quickly add a total of 18.0g of sodium metabisulfite solution (c...
Embodiment 3
[0036] VAE emulsion CW 40-707 emulsion 700.0g (Sinopec Chongqing Chuanwei Chemical Co., Ltd.) is added to the reactor, the stirrer is started, and then 120.0g of water, 3.0g of sodium bicarbonate and concentration of 27.5% hydrogen peroxide 6.0g are added, After the completion, start to heat up; when the temperature of the material in the reactor rises to 80±2°C, keep the temperature at 80±2°C for 30 minutes; then add the mixture of 120.0g vinyl acetate monomer and 10.0g glycerol at a constant speed of 1.1g / min , The feeding time is 120min. When vinyl acetate monomer and glycerol mixture began to feed, add the potassium persulfate solution (concentration is 10%) that total amount is 16.0g with the rate of 0.12g / min, the feeding time is 130min, and the feeding process keeps reaction temperature at 80±2°C; after the addition of potassium persulfate solution, the reaction temperature rose to 85-90°C, and then quickly added a total of 18.0g of sodium erythorbate solution (concentr...
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