A low-temperature quick-drying starch adhesive for corrugated cardboard production line and its preparation method
A technology of starch adhesive and corrugated cardboard, applied in the direction of adhesives, adhesive additives, polymer adhesive additives, etc., can solve the problems of poor adhesion of high-strength sized corrugated paper, reduce the overall cost of the industry, and slow drying speed, etc. Achieve easy swelling and gelatinization process, increase cross-linking degree, and fast oxidation speed
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Embodiment 1
[0027] A low-temperature quick-drying starch adhesive for a corrugated cardboard production line, comprising the following raw materials in parts by mass: 100 parts of cornstarch, 400 parts of water, 3.5 parts of sodium hypobromite, 7 parts of sodium alginate gel, nickel sulfate 0.4 parts of solution (mass concentration is 10%), 8 parts of sodium hydroxide solution (mass concentration is 12%), 1.2 parts of tributyl phosphate, 4 parts of drier, wherein drier is aluminum silicate, diatomaceous earth and a mixture of hydroxyethyl acrylate (mass ratio is 2:1:3);
[0028] The preparation method of described adhesive comprises the steps:
[0029] (1) At room temperature, pour 100 parts of cornstarch into the reaction kettle, add 400 parts of water and stir until a starch emulsion with uniform texture is formed;
[0030] (2) Regulating the temperature of the device where the reactor is located is 65° C., adding 4 parts of sodium hydroxide solution in the reactor, so that the pH of t...
Embodiment 2
[0036] A low-temperature quick-drying starch adhesive for a corrugated cardboard production line, comprising the following raw materials in parts by mass: 100 parts of cornstarch, 400 parts of water, 3 parts of sodium hypobromite, 8 parts of sodium alginate gel, nickel sulfate 0.5 parts of solution (mass concentration is 10%), 8 parts of sodium hydroxide solution (mass concentration is 12%), 1.3 parts of tributyl phosphate, 5 parts of drier, wherein drier is aluminum silicate, diatomaceous earth and a mixture of hydroxyethyl acrylate (mass ratio is 2:1.5:3);
[0037] The preparation method of described adhesive comprises the steps:
[0038] (1) At room temperature, pour 100 parts of cornstarch into the reaction kettle, add 400 parts of water and stir until a starch emulsion with uniform texture is formed;
[0039] (2) Regulating the temperature of the device where the reactor is located is 65° C., adding 4 parts of sodium hydroxide solution in the reactor, so that the pH of t...
Embodiment 3
[0045] A low-temperature quick-drying starch adhesive for a corrugated cardboard production line, comprising the following raw materials in parts by mass: 100 parts of cornstarch, 400 parts of water, 3.5 parts of sodium hypobromite, 7 parts of sodium alginate gel, nickel sulfate 0.5 parts of solution (mass concentration is 10%), 6 parts of sodium hydroxide solution (mass concentration is 12%), 1.3 parts of tributyl phosphate, 3 parts of drier, wherein drier is aluminum silicate, diatomaceous earth and a mixture of hydroxyethyl acrylate (mass ratio is 2.5:1.5:3);
[0046] The preparation method of described adhesive comprises the steps:
[0047] (1) At room temperature, pour 100 parts of cornstarch into the reaction kettle, add 400 parts of water and stir until a starch emulsion with uniform texture is formed;
[0048] (2) Regulating the temperature of the device where the reactor is located is 70° C., adding 3 parts of sodium hydroxide solution to the reactor, so that the pH ...
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