Easy-to-coat carton adhesive
An adhesive and coating technology, applied in the direction of adhesive types, starch adhesives, non-polymer adhesive additives, etc., can solve the problem of unsatisfactory compressive and flexural strength, compressive resistance, and moisture resistance. Poor, product quality cannot be guaranteed and other problems, to achieve the effect of strong puncture resistance, high pressure resistance, and stable product quality
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Embodiment 1
[0021] An easy-to-coat carton adhesive, made of the following raw materials in parts by weight: water: 110 parts; corn starch: 25 parts; calcium carbonate: 12 parts; alum: 2.5 parts; light magnesium oxide: 2.5 parts; sulfuric acid Aluminum: 0.44 parts; Polyvinyl alcohol: 0.37 parts; Baking soda: 1.5 parts; Potassium permanganate: 0.75 parts; Borax: 0.68 parts;
[0022] According to above-mentioned raw material ratio, prepare described easy-to-coat carton adhesive according to following process:
[0023] S1: Pour water into the container, and adjust the water temperature to 59°C;
[0024] S2: Add cornstarch to the water in S1, and keep stirring until it becomes viscous, then add calcium carbonate and potassium permanganate, and stir for 16 minutes to obtain emulsion A;
[0025] S3: Add alum and light magnesium oxide to the emulsion A obtained in S2, and after stirring for 7 minutes, add aluminum sulfate, polyvinyl alcohol, and baking soda, stir evenly, then add borax, stir for...
Embodiment 2
[0027] An easy-to-coat carton adhesive, made of the following raw materials in parts by weight: water: 120 parts; corn starch: 20 parts; calcium carbonate: 15 parts; alum: 2 parts; light magnesium oxide: 3 parts; sulfuric acid Aluminum: 0.42 parts; Polyvinyl alcohol: 0.38 parts; Baking soda: 1 part; Potassium permanganate: 0.8 parts; Borax: 0.6 parts;
[0028] According to above-mentioned raw material ratio, prepare described easy-to-coat carton adhesive according to following process:
[0029] S1: Pour water into the container, and adjust the water temperature to 56°C;
[0030] S2: Add cornstarch to the water in S1, and keep stirring until viscous, then add calcium carbonate and potassium permanganate, and stir for 15 minutes to obtain emulsion A;
[0031] S3: Add alum and light magnesia to the emulsion A obtained in S2, stir for 8 minutes, add aluminum sulfate, polyvinyl alcohol, baking soda, stir evenly, then add borax, stir for 25 minutes, stand and cool to obtain the eas...
Embodiment 3
[0033] An easy-to-coat carton adhesive, made of the following raw materials in parts by weight: water: 100 parts; corn starch: 30 parts; calcium carbonate: 10 parts; alum: 3 parts; light magnesium oxide: 2 parts; sulfuric acid Aluminum: 0.46 parts; Polyvinyl alcohol: 0.36 parts; Baking soda: 2 parts; Potassium permanganate: 0.7 parts; Borax: 0.8 parts;
[0034] According to above-mentioned raw material ratio, prepare described easy-to-coat carton adhesive according to following process:
[0035] S1: Pour water into the container, and adjust the water temperature to 64°C;
[0036] S2: Add cornstarch to the water in S1, and keep stirring until viscous, then add calcium carbonate and potassium permanganate, and stir for 18 minutes to obtain emulsion A;
[0037] S3: Add alum and light magnesia to the emulsion A obtained in S2, and after stirring for 6 minutes, add aluminum sulfate, polyvinyl alcohol, baking soda, stir evenly, then add borax, stir for 20 minutes, stand and cool to...
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