Mildew-proof flame-retardant wallpaper and preparation method thereof

[0028] Example 1

[0029] S1. The ink layer is formed in the surface of the wood pulp paper layer to obtain a wallpaper semi-finished product, wherein the wood pulp paper layer has a thickness of 1 mm, and the thickness of the ink layer is 0.3 mm;

[0030] S2. Preparation of flame retardant coatings

[0031] 50 parts of deionized water were added to the reaction vessel, and the mixer was added to the mixer, and the mixture was stirred at a frequency of 300 rpm. After mixing uniform, 2 parts of the phosphate salt dispersant, 5 parts of antimony After 20 parts of the modified manganese oxide colloid, the flame retardant is dissociated with a frequency of 25 kHz, and a 1 part of the hydroxymethylcellulose thickener is added inside, and the flame retardant coating can be obtained after stirring 20 min. .

[0032] The preparation step of the modified manganese oxide colloid is to be placed in the ball milling in the ball mill. After the particle size is 5-10 nm, the cooling is taken after the cooling, and the grinding water sodium manganese ore is added to the solid content of 45. The% silane coupling aqueous solution is surface modified, using ultrasonic treatment of 25 kHz for 5 min, which is sufficiently dispersed, and the modified manganese oxide is obtained after the end of the modification; then takes 20 parts to modified manganese oxide and 3 The potassium phosphate is mixed, and it is added to 40 parts of acetone solution, and ultrasonic treatment of 30 kHz is used for 10 min, which is sufficiently dispersed, i.e., the modified manganese oxide colloid.

[0033]S3. Apply a flame-retardant layer coating in a roller paper without contacting the PVC layer in a roller coating, then placing it in an oven of 100-120 ° C, dry curing, and the thickness of the flame retardant layer after drying is 0.3 MM;

[0034] S4. Preparation of anti-mold coatings

[0035] 40 parts of the modified sodium rice zinc oxide colloid were added to the reactor with 80 parts of polyvinyl chloride, and mixed for 15 min at a frequency of 350 rpm, and the mixture was uniform and vacuum-debris was carried out.

[0036] Among them, the preparation step of the modified nano-zinc oxide colloid is: a nano-zinc oxide particles having 12 parts of participle of 1 to 5 nm with 6 parts of oleic acid were mixed with 6 parts of oleic acid by weight, and ultrasonic treatment of 30 kHz was used for 10 min. The oleic acid is sufficiently coated with nano-zinc oxide particles, and then the oleic acid coated nano-zinc oxide particles were added to 30 parts of acetone, and the modified nano oxidation can be obtained after 20 minutes of ultrasonic oscillation of 30 kHz. Zinc rubber.

[0037] S5. On one side of the non-printed ink layer of the wood pulp paper coating a flame retardant layer, after a temperature of 120 ° C, it is baked for 20 min, and the acetone component in the coating is fed. After drying, the thickness of the mildew layer was 0.5 mm, and the anti-mold flame retardant wallpaper can be obtained.

[0038] Example 2

[0039] S1. The ink layer is formed on one side surface of the wood pulp paper layer to obtain a wallpaper semi-finished product, wherein the wood pulp paper layer has a thickness of 1 mm, and the thickness of the ink layer is 0.3mm.

[0040] S2. Preparation of flame retardant coatings

[0041] 70 parts of deionized water were added to the reactor, and the mixer was opened, and the mixer was opened, and the mixture was stirred at a frequency of 300 rpm, and after mixing is uniform, 1.5 parts of a phosphate salt dispersant, 10 parts of antimony trioxide After the flame retardant and 30 parts of the modified manganese oxide colloid, after 20 min using a frequency of 25 kHz, a 1 part of the hydroxymethylcellulose thickener is added inside, and then the flame retardant coating can be obtained after stirring 20 min. .

[0042] The preparation step of the modified manganese oxide colloid is to be placed in the ball milling in the ball mill. After the particle size is 5-10 nm, the cooling is taken after the cooling, and the grinding water sodium manganese ore is added to the solid content of 45. The% silane coupling aqueous solution is surface modified, using ultrasonic treatment of 25 kHz for 5 min, which is sufficiently dispersed, and the modified manganese oxide is obtained after the end of the modification; then takes 20 parts to modified manganese oxide and 3 The potassium phosphate is mixed, and it is added to 40 parts of acetone solution, and ultrasonic treatment of 30 kHz is used for 10 min, which is sufficiently dispersed, i.e., the modified manganese oxide colloid.

[0043] S3. On one side of the wood pulp paper unprinted ink layer coating a flame retardant layer coating in a roller coating, it is then placed in an oven in an oven of 100-120 ° C, and the thickness of the flame retardant layer after drying is 0.3mm. ;

[0044] S4. Preparation of anti-mold coatings

[0045] 40 parts of the modified sodium rice zinc oxide colloid were added to the reactor with 80 parts of polyvinyl chloride, and mixed for 15 min at a frequency of 350 rpm, and the mixture was uniform and vacuum-debris was carried out.

[0046] Among them, the preparation step of the modified nano-zinc oxide colloid is: a nano-zinc oxide particles having 12 parts of participle of 1 to 5 nm with 6 parts of oleic acid were mixed with 6 parts of oleic acid by weight, and ultrasonic treatment of 30 kHz was used for 10 min. The oleic acid is sufficiently coated with nano-zinc oxide particles, and then the oleic acid coated nano-zinc oxide particles were added to 30 parts of acetone, and the modified nano oxidation can be obtained after 20 minutes of ultrasonic oscillation of 30 kHz. Zinc rubber.

[0047] S5. Apply a mildew layer coating on the side of the ink layer to be scratched, then placed in an oven at a temperature of 120 ° C, baked for 20 min, evaporating the acetone component in the coating, drying after drying It is 0.5 mm, which is cooled, and the anti-mildew flame retardant wallpaper can be obtained.

[0048] Example 3

[0049] S1. The ink layer is formed in the surface of the wood pulp paper layer to obtain a wallpaper semi-finished product, wherein the wood pulp paper layer has a thickness of 1 mm, and the thickness of the ink layer is 0.3 mm;

[0050] S2. Preparation of flame retardant coatings

[0051] 50 parts of deionized water were added to the reaction vessel, and the mixer was added to the mixer, and the mixture was stirred at a frequency of 300 rpm. After mixing uniform, 2 parts of the phosphate salt dispersant, 5 parts of antimony After 20 parts of the modified manganese oxide colloid, the flame retardant is dissociated with a frequency of 25 kHz, and a 1 part of the hydroxymethylcellulose thickener is added inside, and the flame retardant coating can be obtained after stirring 20 min. .

[0052] The preparation step of the modified manganese oxide colloid is to be placed in the ball milling in the ball mill. After the particle size is 5-10 nm, the cooling is taken after the cooling, and the grinding water sodium manganese ore is added to the solid content of 45. The% silane coupling aqueous solution is surface modified, using ultrasonic treatment of 25 kHz for 5 min, which is sufficiently dispersed, and the modified manganese oxide is obtained after the end of the modification; then takes 20 parts to modified manganese oxide and 3 The potassium phosphate is mixed, and it is added to 40 parts of acetone solution, and ultrasonic treatment of 30 kHz is used for 10 min, which is sufficiently dispersed, i.e., the modified manganese oxide colloid.

[0053] S3. On one side of the wood pulp paper unprinted ink layer coating a flame retardant layer coating in a roller coating, it is then placed in an oven in an oven of 100-120 ° C, and the thickness of the flame retardant layer after drying is 0.3mm. ;

[0054] S4. Preparation of anti-mold coatings

[0055] 25 parts of modified sodium rice zinc oxide colloid were added to 80 parts of polyvinyl chloride to the reactor, stirred at a frequency of 350 rpm, mixed for 15 min, and stirred and uniform, and the vacuum debris can be obtained. Coatings.

[0056] The preparation step of the modified nano-zinc oxide colloid is: Nano-zinc oxide particles having an 8 parts of a particle diameter of 1 to 5 nm with 6 parts of oleic acid, using a frequency of 30 kHz for ultrasonic treatment 10min The oleic acid is sufficiently coated with nano-zinc oxide particles, and then the oleic acid coated nano-zinc oxide particles were added to 30 parts of acetone, and the modified nano oxidation can be obtained after 20 minutes of ultrasonic oscillation of 30 kHz. Zinc rubber.

[0057] S5. Apply a mildew layer coating in a roller coating on one side of the ink layer, which is placed in an oven at a temperature of 120 ° C, baked for 20 min, evaporating the acetone component in the coating, drying the mildew after drying It is 0.5 mm, which is cooled, and the anti-mildew flame retardant wallpaper can be obtained.