Preparation method for biologically-modified corrugated cardboard glue
A corrugated cardboard and biological modification technology, applied in the direction of adhesive additives, non-polymer adhesive additives, fermentation, etc., can solve the problems of poor bond strength, poor weather resistance of polyimide glue, easy to open glue, etc., to achieve Not easy to open glue, excellent performance, good bond strength effect
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Embodiment 1
[0018] A preparation method of biologically modified corrugated cardboard glue, comprising the following steps:
[0019] (1) Select wheat straw, wash it, dry it at 65° C. until the water content is less than 5%, cut it into 1-3 cm long straw segments, place it in a high-speed pulverizer, and pass it through a 60-80 mesh sieve to obtain straw particles;
[0020] (2) Mix the straw granules and cellulase mixture according to the mass ratio of 1:13, stir slowly for 22 hours, filter, centrifuge the filtrate for 25 minutes, take the supernatant and heat it up to 126°C to inactivate the enzyme to obtain the straw hydrolyzed glucose solution , standby; wherein, the cellulase mixture is formed by stirring and mixing cellulase, pectinase, and deionized water according to a mass ratio of 1.5:1.6:8.
[0021] (3) Take 30kg of straw hydrolyzed glucose solution, 22kg of polyimide, 50kg of N-methylpyrrolidone, 0.06kg of stabilizer magnesium stearate, and 0.03kg of organosiloxane defoamer, and...
Embodiment 2
[0023] A preparation method of biologically modified corrugated cardboard glue, comprising the following steps:
[0024] (1) Select rice straw, wash it, dry it at 70°C until the water content is less than 5%, cut it into 1-3cm long straw segments, place it in a high-speed pulverizer, and pass it through a 60-80 mesh sieve to obtain straw particles;
[0025] (2) Mix the straw granules and cellulase mixture according to the mass ratio of 1:10, stir slowly for 23 hours, filter, centrifuge the filtrate for 30 minutes, take the supernatant and heat it up to 130°C to inactivate the enzyme to obtain the straw hydrolyzed glucose solution , standby; wherein, the cellulase mixture is formed by stirring and mixing cellulase, pectinase, and deionized water according to a mass ratio of 1.4:1.5:10.
[0026] (3) According to the weight in kg, take 33kg of straw hydrolyzed glucose solution, 25kg of polyimide, 54kg of N-methylpyrrolidone, 0.06kg of stabilizer zinc stearate, and 0.02kg of polye...
Embodiment 3
[0028] A preparation method of biologically modified corrugated cardboard glue, comprising the following steps:
[0029] (1) Select corn stalks, wash them, dry them at 80°C until the water content is less than 5%, cut them into 1-3 cm long straw segments, place them in a high-speed pulverizer, and pass them through a 60-80 mesh sieve to obtain straw particles;
[0030] (2) Mix the straw granules and cellulase mixture according to the mass ratio of 1:15, stir slowly for 24 hours, filter, centrifuge the filtrate for 30 minutes, take the supernatant and heat it up to 135°C to inactivate the enzyme to obtain the straw hydrolyzed glucose solution , standby; wherein, the cellulase mixed solution is formed by stirring and mixing cellulase, pectinase, and deionized water according to a mass ratio of 2:2:9.
[0031] (3) According to the weight in kg, take 38kg of straw hydrolyzed glucose solution, 26kg of polyimide, 56kg of N-methylpyrrolidone, 0.08kg of stabilizer stearic acid, and 0....
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