Adhesive for six-layer corrugated board and preparation process thereof
A corrugated cardboard and adhesive technology, applied in the direction of adhesive types, inorganic adhesives, starch adhesives, etc., can solve the problems of low cost and insufficient carton strength, and achieve the effect of improving the bonding strength
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Embodiment 1
[0039] A kind of adhesive for six-layer corrugated cardboard, described adhesive is made up of following mass parts, 5 parts of cornstarch adhesives, 5 parts of water glass adhesives, 2.5 parts of polyvinyl alcohols, 0.04 parts of oxidants, defoaming 0.03 part of preservative, 0.01 part of preservative, 1 part of 20% sodium hydroxide solution, and 40 parts of water.
[0040] A kind of adhesive preparation technology for six-layer corrugated cardboard, comprises the following steps,
[0041] a. Take 2.5 parts of polyvinyl alcohol and 40 parts of water, heat to stir at 90-95°C, stir for 30 minutes, and the stirring speed is 28-32r / min;
[0042] b. Add 5 parts of cornstarch adhesive, 5 parts of water glass adhesive, 0.04 part of oxidant, and 0.03 part of defoamer to the above mixed solution, heat to 75-85 °C, stir for 1.5 hours, and the stirring speed is 28- 32r / min;
[0043] c. Add 0.01 part of preservative and 1 part of 20% sodium hydroxide solution to the mixture in step b, ...
Embodiment 2
[0046] A kind of adhesive for six-layer corrugated cardboard, described adhesive is made up of following mass parts, 10 parts of cornstarch adhesives, 10 parts of water glass adhesives, 7 parts of polyvinyl alcohols, 0.06 parts of oxidants, defoaming 0.05 parts of preservative, 0.03 parts of preservative, 2 parts of 20% sodium hydroxide solution, and 80 parts of water.
[0047] A kind of adhesive preparation technology for six-layer corrugated cardboard, comprises the following steps,
[0048] a. Take 7 parts of polyvinyl alcohol and 80 parts of water, heat to stir at 90-95°C, stir for 30 minutes, and the stirring speed is 28-32r / min;
[0049]b. Add 10 parts of cornstarch adhesive, 10 parts of water glass adhesive, 0.06 part of oxidant, and 0.05 part of defoamer to the above mixed liquid, heat to 75-85 °C, stir for 1.5 hours, and the stirring speed is 28- 32r / min;
[0050] c. Add 0.03 parts of preservative and 2 parts of 20% sodium hydroxide solution to the mixture in step b...
Embodiment 3
[0053] A kind of adhesive for six-layer corrugated cardboard, described adhesive is made up of following mass parts, 5 parts of cornstarch adhesives, 10 parts of water glass adhesives, 5 parts of polyvinyl alcohols, 0.05 parts of oxidants, defoaming 0.04 part of preservative, 0.02 part of preservative, 1 part of 20% sodium hydroxide solution, and 75 parts of water.
[0054] A kind of adhesive preparation technology for six-layer corrugated cardboard, comprises the following steps,
[0055] a. Take 4 parts of polyvinyl alcohol and 75 parts of water, heat to stir at 90-95°C, stir for 30 minutes, and the stirring speed is 28-32r / min;
[0056] b. Add 5 parts of corn starch adhesive, 10 parts of water glass adhesive, 0.05 part of oxidant, and 0.04 part of defoamer to the above mixed liquid, heat to 75-85 °C, stir for 1.5 hours, and the stirring speed is 28- 32r / min;
[0057] c. Add 0.02 part of preservative and 1 part of 20% sodium hydroxide solution to the mixture in step b, hea...
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