Bi-component waterborne woodware waterproof coating
A two-component, water-based technology, used in polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient mechanical properties, limited water resistance, poor gloss, etc., and achieve improved mechanical properties, water resistance and gloss. boosted effect
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[0021] Example 1
[0022] In parts by weight, place 2 parts of cellulase, 2 parts of pectinase, 2 parts of laccase, 5 parts of glycerol, and 20 parts of deionized water in a single-necked flask, and place the single-necked flask on a digital display speed constant temperature magnetic force In the agitator, at a temperature of 35°C and a rotation speed of 200r / min, stir and mix at a constant temperature for 50 minutes to obtain a mixed enzyme solution; place the sodium alginate and water in the No. 1 beaker at a mass ratio of 1:100, and use a glass rod After stirring and mixing for 30 minutes, standing and swelling for 4 hours, heating and stirring for 2 hours at a temperature of 95°C and a rotation speed of 500 r / min, and then adding sodium alginate with a mass concentration of 200 mg / L twice the mass of sodium alginate to the No. 1 beaker Sodium periodate solution, at a temperature of 95°C and a rotation speed of 500r / min, stir and mix for 60 minutes at a constant temperature t...
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[0023] Example 2
[0024] In parts by weight, place 2 parts of cellulase, 2 parts of pectinase, 2 parts of laccase, 5 parts of glycerol, and 20 parts of deionized water in a single-necked flask, and place the single-necked flask on a digital display speed constant temperature magnetic force In the agitator, at a temperature of 35°C and a rotation speed of 200r / min, stir and mix at a constant temperature for 50 minutes to obtain a mixed enzyme solution; place the sodium alginate and water in the No. 1 beaker at a mass ratio of 1:100, and use a glass rod After stirring and mixing for 30 minutes, standing and swelling for 4 hours, heating and stirring for 2 hours at a temperature of 95°C and a rotation speed of 500 r / min, and then adding sodium alginate with a mass concentration of 200 mg / L twice the mass of sodium alginate to the No. Sodium periodate solution, at a temperature of 95°C and a rotation speed of 500r / min, stir and mix for 60 minutes at a constant temperature to obtain ...
Example Embodiment
[0025] Example 3
[0026] In parts by weight, place 2 parts of cellulase, 2 parts of pectinase, 2 parts of laccase, 5 parts of glycerol, and 20 parts of deionized water in a single-necked flask, and place the single-necked flask on a digital display speed constant temperature magnetic force In a stirrer, at a temperature of 35°C and a rotational speed of 200r / min, stir and mix at a constant temperature for 50 minutes to obtain a mixed enzyme solution; place the paraffin wax in a crucible and heat it at a temperature of 60°C until it melts completely. For paraffin wax, put sodium peroxide and molten paraffin in a No. 2 beaker at a mass ratio of 1:10, stir and mix with a glass rod for 10 minutes to obtain a mixed slurry, and then place the mixed slurry in a freezing crusher to freeze and crush to obtain coating Sodium peroxide; in parts by weight, combine 60 parts of aqueous polyurethane emulsion, 3 parts of mixed enzyme solution, 5 parts of organic acid, 10 parts of bacterial cell...
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