Broad-spectrum mildew-proof paint for bamboo and rattan material

[0017] A broad-spectrum anti-mold coating for bamboo and rattan, comprising the following raw materials in parts by weight: 60 parts of acrylate-modified polyurethane emulsion, 5 parts of borax, 14 parts of anti-mold modifier, 1.5 parts of emulsifier, 2 parts of stabilizer, pH Regulator 0.6 parts;

[0018] The preparation method of the acrylate-modified polyurethane emulsion is as follows: after the polyurethane prepolymer is heated to 58°C, it is stirred for 25 minutes, and then 25% of its weight is added to the acrylate polymer solution, 2% basic magnesium carbonate, 3.1% N-bromosuccinimide, 0.4% C 6 - O-chitosan sulfate, 0.2% fatty acid sorbitan ester, 200% solvent, stirred and mixed for 3.5 hours at a temperature of 70 ° C, and the solvent was removed by rotary evaporation to obtain final product;

[0019] The anti-mildew modifier includes the following raw materials in parts by weight: 8 parts of locust tree bark extract, 5 parts of iodopropynyl butyl carbamate, 8 parts of

[0026] A broad-spectrum anti-mold coating for bamboo and rattan, comprising the following raw materials in parts by weight: 55 parts of acrylate-modified polyurethane emulsion, 8 parts of borax, 12 parts of anti-mold modifier, 2 parts of emulsifier, 1 part of stabilizer, pH Regulator 0.8 parts;

[0027] The preparation method of the acrylate-modified polyurethane emulsion is as follows: after the polyurethane prepolymer is heated to 60°C, it is stirred for 20 minutes, and then 30% of its weight is added to the acrylate polymer solution, 1% basic magnesium carbonate, 3.6% N-bromosuccinimide, 0.6% C 6 - O-chitosan sulfate, 0.1% fatty acid sorbitan ester, 200% solvent, stirred and mixed for 4 hours at a temperature of 75 ° C, and the solvent was removed by rotary evaporation to obtain final product;

[0028] The anti-mildew modifier includes the following raw materials in parts by weight: 6 parts of pagoda tree bark extract, 4 parts of iodopropynyl butyl carbamate, 6 parts of diene

[0035] A broad-spectrum anti-mold coating for bamboo and rattan, comprising the following raw materials in parts by weight: 65 parts of acrylate-modified polyurethane emulsion, 2 parts of borax, 16 parts of anti-mold modifier, 1 part of emulsifier, 3 parts of stabilizer, pH Regulator 0.4 parts;

[0036] The preparation method of the acrylate-modified polyurethane emulsion is as follows: after heating the polyurethane prepolymer to 55° C., stirring for 30 minutes, then adding 20% ​​by weight of the acrylate polymer solution, 3% basic magnesium carbonate, 2.5% N-bromosuccinimide, 0.2% C 6 - O-chitosan sulfate, 0.3% fatty acid sorbitan ester, 200% solvent, stirred and mixed for 3 hours at a temperature of 65 ° C, and the solvent was removed by rotary evaporation to obtain final product;

[0037] The anti-mildew modifier includes the following raw materials in parts by weight: 10 parts of locust tree bark extract, 6 parts of iodopropynyl butyl carbamate, 10 parts of diene monomer, 18