阅读说明：本技术 一种含生物活性成分的大生物壁纸 (Large-organism wallpaper containing bioactive components ) 是由 黄效华 唐宇欣 刘新文 于 2020-11-27 设计创作，主要内容包括：本发明提供一种含生物活性成分的大生物壁纸及其制备方法,制备方法包括以下步骤：制浆、打浆、含生物活性成分的纳米分子巢的制备、含纳米分子巢的浆料的制备、含生物活性成分的大生物壁纸的制备、后处理。本发明的有益效果为：寿命高；耐摩擦色牢度可以达到5级；甲醛含量低,还可以起到吸收甲醛的作用；可以提高壁纸的抗潮性；经可洗性测试,清洗100次后无外观上的损伤和变化；褪色性能达到4级以上,遮蔽性能达到5级,并且经可拭性测试,擦拭20次后仍无外观上的损伤和变化；可以有效的避免壁纸发生霉变,加强壁纸的抗菌、防霉性。(The invention provides a large-organism wallpaper containing bioactive components and a preparation method thereof, wherein the preparation method comprises the following steps: pulping, preparing a nano molecular nest containing bioactive components, preparing slurry containing the nano molecular nest, preparing macrobiological wallpaper containing the bioactive components, and performing aftertreatment. The invention has the beneficial effects that: the service life is long; the color fastness to rubbing can reach 5 grades; the formaldehyde content is low, and the formaldehyde can be absorbed; the moisture resistance of the wallpaper can be improved; through a washability test, after being cleaned for 100 times, the appearance is not damaged or changed; the fading performance reaches more than 4 grades, the shielding performance reaches 5 grades, and after being wiped for 20 times, the fabric still has no damage and change on appearance through a cleanability test; can effectively avoid the mildew of the wallpaper and enhance the antibacterial and mildew-proof properties of the wallpaper.)

1. The preparation method of the biowallpaper containing the bioactive components is characterized by comprising pulping, preparation of a nano molecular nest containing the bioactive components, preparation of slurry containing the nano molecular nest, preparation of the biowallpaper containing the bioactive components and post-treatment.

2. The preparation method of the large-organism wallpaper as claimed in claim 1, wherein the pulping is carried out by using reed fiber and waste paper as raw materials, wherein the mass ratio of the reed fiber to the waste paper is 1 (1-3), the initial pulp is prepared after the cooking, the cooking temperature is 155-.

3. The preparation method of the giant organism wallpaper according to claim 1, wherein the pulping is carried out, and the prepared initial slurry is further ground to refine and separate fibers to obtain refined slurry.

4. The preparation method of the biotic wallpaper according to claim 1, wherein the preparation of the nano molecular nest containing bioactive components comprises preparation of a saturated aqueous solution of bioactive components, preparation of a porous nano molecular nest, preparation of a nano molecular nest containing bioactive components, and dispersion of the nano molecular nest containing bioactive components.

5. The preparation method of the biotic wallpaper as claimed in claim 4, wherein the preparation of the saturated aqueous solution of bioactive components is carried out by preparing the bioactive components according to the mass ratio of the wormwood extract, the olive extract and the lavender extract being (5-7): (1-3): 0-1), and then dissolving the bioactive components in water to prepare the saturated aqueous solution of bioactive components.

6. The preparation method of the biowallpaper as claimed in claim 4, wherein the porous nano molecular nest is prepared by firstly preparing 15-17g/L calcium hydroxide solution, adding the calcium hydroxide into a stirring kettle for stirring, controlling the stirring speed to be 100-120rpm, then dropwise adding 20-22g/L phosphoric acid solution to perform acid-base reaction with the calcium hydroxide, controlling the reaction temperature to be 80-85 ℃, the reaction time to be 2-2.2 hours, the calcium-phosphorus mass ratio to be (3-4): 2, and after the reaction is finished, controlling the pH of the reaction mixture to be 5; then stirring and adding the fatty alcohol-polyoxyethylene ether into the reaction mixture, controlling the addition of the fatty alcohol-polyoxyethylene ether to be 0.5-0.7mg/L, the stirring speed to be 150 plus 155rpm, the stirring temperature to be 60-65 ℃, the stirring time to be 3-4 hours, introducing into a homogenizer for homogenizing after the stirring is finished, wherein the homogenizing pressure is 25-27MPa, and the homogenizing time is 2-4 times; then, according to the weight ratio of polyethylene glycol 600: calcium sulfate: weighing polyethylene glycol 600 and calcium sulfate according to the mass ratio of (1-1.5) to 2, and mixing the polyethylene glycol 600 and the calcium sulfate to prepare a pore-foaming agent; then, uniformly mixing the pore-foaming agent and the calcium phosphate particles to prepare a raw material mixture; spray drying the raw material mixture, and grinding the raw material mixture after spray drying to obtain porous nano molecular nests with the average particle size of 80 nanometers; the specific surface area of the prepared porous nano molecular nest is 500-600m2/g, and the pore volume is 0.9-1.1 ml/g.

7. The preparation method of the large-organism wallpaper according to claim 4, wherein the molecular nest containing the bioactive components is prepared by mixing a bioactive component saturated aqueous solution, a porous molecular nest and white carbon black, wherein the bioactive component saturated aqueous solution: porous molecular nest: the mass ratio of the white carbon black is (5-7) to (6-8) to 1.

8. The preparation method of the biotic wallpaper as claimed in claim 4, wherein the molecular nest containing bioactive components is dispersed, and the molecular nest containing bioactive components is added into a high shear reaction kettle for stirring, wherein the high shear temperature is 40-50 ℃, the shear rotation speed is 6000-.

9. The preparation method of the large-organism wallpaper according to claim 1, wherein the size containing the molecular nest is prepared by adding a PAE wet strength agent with a solid content of 30%, a cationic polyacrylamide and the molecular nest containing a bioactive component into the refined size and uniformly mixing to obtain the size containing the molecular nest, wherein the amount of the PAE wet strength agent with a solid content of 30% per ton of the size is 20-30g, the amount of the cationic polyacrylamide is 30-50g, and the amount of the molecular nest containing the bioactive component is 20-25 kg.

10. The preparation method of the biofouling wallpaper as claimed in claim 1, wherein the biofouling wallpaper containing bioactive components is prepared by spraying the prepared slurry containing molecular nests onto a mesh, extruding, drying, coating with a mixed coating agent consisting of styrene-acrylic latex, cationic tapioca starch, zinc oxide and anionic polyacrylamide, wherein the mass ratio of the styrene-acrylic latex to the cationic tapioca starch to the zinc oxide to the anionic polyacrylamide = (3-5): 2:2:1, the amount of the mixed coating agent used in coating is 10-20g/m2, and then drying the coated wallpaper through an oven at the drying temperature of 120-.

Technical Field

The invention relates to the technical field of wallpaper, in particular to a large-organism wallpaper containing bioactive components and a preparation method thereof.

Background

Wallpaper is classified into various types, such as film-coated wallpaper, embossed wallpaper, and the like. The base paper is usually produced from bleached chemical wood pulp, and then is processed through different procedures, such as coating, printing, embossing or surface plastic coating, and finally is cut and packaged for delivery. The wallpaper has certain strength, toughness, beautiful appearance and good water resistance, and is widely used for indoor decoration of houses, offices, hotels, and the like.

However, there are still many problems in the use of wallpaper, such as: the service life of the wallpaper is short, and the service life of the wallpaper is about 5 to 10 years; the detergent is not dirt-resistant and needs to be scrubbed regularly, but the scrubbing process may wipe off a part of the slurry to cause color loss; the pollution is great, a hydroformylation process and an aldehyde reduction process exist in the pulping process of the wallpaper, so that certain free formaldehyde may exist in the wallpaper, and formaldehyde may also exist in wallpaper glue, so that the air is polluted; the wallpaper is easy to be affected with damp, if the house has high humidity, the wallpaper can be separated from the wall body due to damp, and the wallpaper can be mildewed.

Chinese patent CN107215060A discloses a method for producing wallpaper with biomass material as matrix, which uses ginkgo leaves and ginkgo tree barks as functional additives of the wallpaper, and adds partial calcium chloride when bonding ginkgo tree powder and cedrela sinensis wood fiber, but the wallpaper with biomass material as matrix prepared by the processing method has short service life, is not resistant to scrubbing, is easy to wipe off the functional adsorbent in the scrubbing process, and can also produce fading.

Chinese patent CN107178008A discloses a method for manufacturing wallpaper from biomass material, which uses chinese hemp stalk core fiber and wood pulp as raw materials of raw paper, and sequentially comprises chinese hemp stalk core fiber pretreatment → chinese hemp stalk core fiber dipping treatment → chinese hemp stalk core fiber drying treatment → raw paper preparation → surface layer coating → drying, cooling → printing, softening, embossing and cutting packaging.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention provides the large-organism wallpaper containing the bioactive components and the preparation method thereof, so that the service life of the existing wallpaper is prolonged, the scrubbing resistance and the moisture resistance of the existing wallpaper are improved, and the pollution of the existing wallpaper is reduced.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a large biological wallpaper containing bioactive components and a preparation method thereof comprise pulping, preparation of a nano molecular nest containing bioactive components, preparation of slurry containing the nano molecular nest, preparation of the large biological wallpaper containing bioactive components and post-treatment.

The pulping is carried out by taking reed fiber and waste paper as raw materials, wherein the mass ratio of the reed fiber to the waste paper is 1 (1-3), and the initial pulp is prepared after cooking, wherein the cooking temperature is 155-.

And (3) pulping, namely further polishing the prepared initial pulp to refine and separate fibers to obtain refined pulp.

The preparation of the nano molecular nest containing the bioactive components comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing a porous nano molecular nest, preparing the nano molecular nest containing the bioactive components and dispersing the nano molecular nest containing the bioactive components.

The preparation method comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing the bioactive components according to the mass ratio of the wormwood extract, the olive extract and the lavender extract of (5-7) to (1-3) to 1, and dissolving the bioactive components in water to prepare the saturated aqueous solution of the bioactive components.

The preparation method of the porous nano molecular nest comprises the steps of firstly preparing 15-17g/L calcium hydroxide solution, adding the calcium hydroxide into a stirring kettle for stirring, controlling the stirring speed to be 100-120rpm, then dropwise adding 20-22g/L phosphoric acid solution to perform acid-base reaction with the calcium hydroxide, controlling the reaction temperature to be 80-85 ℃, the reaction time to be 2-2.2 hours, controlling the calcium-phosphorus mass ratio to be (3-4): 2, and controlling the pH of a reaction mixture to be 5 after the reaction is finished. And then stirring and adding the fatty alcohol-polyoxyethylene ether into the reaction mixture, controlling the addition of the fatty alcohol-polyoxyethylene ether to be 0.5-0.7mg/L, the stirring speed to be 150-155rpm, the stirring temperature to be 60-65 ℃, the stirring time to be 3-4 hours, and introducing into a homogenizer for homogenizing after the stirring is finished, wherein the homogenizing pressure is 25-27MPa, and the homogenizing time is 2-4 times. Then, according to the weight ratio of polyethylene glycol 600: calcium sulfate: the mass ratio of the calcium hydroxide is (1-1.5): (1-1.5): 2 polyethylene glycol 600 and calcium sulfate are weighed, and the polyethylene glycol 600 and the calcium sulfate are mixed to prepare the pore-foaming agent. And then uniformly mixing the pore-foaming agent and the calcium phosphate particles to prepare a raw material mixture. And (3) carrying out spray drying on the raw material mixture, and grinding after spray drying to obtain the porous nano molecular nest with the average particle size of 80 nanometers. The specific surface area of the prepared porous nano molecular nest is 500-600m2/g, and the pore volume is 0.9-1.1 ml/g.

The pH value of the fatty alcohol-polyoxyethylene ether is 5-7, the penetration time is less than or equal to 10s, and the hydroxyl value is 160-190 mgKOH/g.

Preparing a molecular nest containing bioactive components, and mixing a bioactive component saturated aqueous solution, a porous molecular nest and white carbon black to prepare the bioactive component-containing molecular nest, wherein the bioactive component saturated aqueous solution: porous molecular nest: the mass ratio of the white carbon black is (5-7) to (6-8) to 1.

And dispersing the molecular nest containing the bioactive components, namely adding the molecular nest containing the bioactive components into a high-shear reaction kettle for stirring, wherein the high-shear temperature is 40-50 ℃, the shear rotation speed is 6000-6500rpm, and the shear time is 20-30 min.

The preparation method of the size containing the molecular nest comprises the steps of adding the PAE wet strength agent with the solid content of 30%, the cationic polyacrylamide and the molecular nest containing the bioactive component into refined size, and uniformly mixing to obtain the size containing the molecular nest, wherein the dosage of the PAE wet strength agent with the solid content of 30% in each ton of size is 20-30g, the dosage of the cationic polyacrylamide is 30-50g, and the dosage of the molecular nest containing the bioactive component is 20-25 kg.

The cationic polyacrylamide has the ionic degree of 35%, the molecular weight of 900 ten thousand and the apparent viscosity of 40 cP.

The preparation method of the large-organism wallpaper containing the bioactive components comprises the steps of spraying the prepared slurry containing the molecular nest onto a mesh, extruding, drying, and then coating, wherein the coating is performed by using a mixed coating agent consisting of styrene-acrylic latex, cationic tapioca starch, zinc oxide and anionic polyacrylamide, the mass ratio of the styrene-acrylic latex, the cationic tapioca starch, the zinc oxide and the anionic polyacrylamide is = (3-5) = (2: 2: 1), the dosage of the mixed coating agent used in coating is 10-20g/m2, then drying the coated wallpaper through an oven, the drying temperature is 120-.

And the post-treatment comprises printing, plate drying, softening, embossing, cooling, edge cutting, material accumulation, inspection, coiling, packaging, boxing and warehousing.

And during the printing, adding the wormwood into the printing ink while stirring, wherein the stirring speed is 90-110rpm, the stirring time is 30-40min, and the addition amount of the wormwood accounts for 2% -5% of the mass of the printing ink. Then oscillating and mixing, and printing after oscillating and mixing for 1-1.5 h.

Compared with the prior art, the invention has the beneficial effects that:

(1) the life of the biological wallpaper prepared by the method can be prolonged by adding the bioactive components into the wallpaper, and the life of the wallpaper is prolonged to more than 15 years from the existing 5 to 10 years;

(2) the large-organism wallpaper prepared by the method is subjected to a friction-resistant color fastness test, and adopts the GB/T3920-2008 national standard, wherein the friction-resistant color fastness is grade 5;

(3) according to the halobios wallpaper prepared by the method, through formaldehyde content test, GB/T185 national standard is adopted, the indoor formaldehyde content is lower than 0.05mg/m3, and after the halobios wallpaper is used in a room with the formaldehyde content of more than 1mg/m3, the formaldehyde content can still be reduced to 0.05mg/m 3;

(4) according to the water absorption test, the water absorption of the large-organism wallpaper prepared by the method is less than 15g/m2 by adopting the GB/T1540 national standard, so that the moisture resistance of the wallpaper can be improved;

(5) after the large-organism wallpaper prepared by the method is washed for 100 times, no damage or change on appearance exists through washability test.

(6) The biological wallpaper prepared by the method has fading performance of more than 4 grade and shielding performance of 5 grade, and has no damage and change on appearance after being wiped for 20 times through a cleanability test.

(7) According to the large-organism wallpaper prepared by the method, bioactive components are added in the production and post-treatment of the slurry, so that the mildew of the wallpaper can be effectively avoided, and the antibacterial and mildew-proof properties of the wallpaper are enhanced.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described.

Example 1

A large biological wallpaper containing bioactive components and a preparation method thereof comprise pulping, preparation of a nano molecular nest containing bioactive components, preparation of slurry containing the nano molecular nest, preparation of the large biological wallpaper containing bioactive components and post-treatment.

The pulping is carried out by taking reed fiber and waste paper as raw materials, wherein the mass ratio of the reed fiber to the waste paper is 1:1, and the initial pulp is prepared by cooking at 155 ℃ for 90 min.

And (3) pulping, namely further polishing the prepared initial pulp to refine and separate fibers to obtain refined pulp.

The preparation of the nano molecular nest containing the bioactive components comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing a porous nano molecular nest, preparing the nano molecular nest containing the bioactive components and dispersing the nano molecular nest containing the bioactive components.

The preparation method comprises the steps of preparing a saturated aqueous solution of the bioactive component, preparing the bioactive component according to the mass ratio of the wormwood extract to the olive extract of 5:1, and dissolving the bioactive component in water to prepare the saturated aqueous solution of the bioactive component.

The preparation method of the porous nano molecular nest comprises the steps of firstly preparing 15g/L of calcium hydroxide solution, adding the calcium hydroxide into a stirring kettle for stirring, controlling the stirring speed to be 100rpm, then dropwise adding 20g/L of phosphoric acid solution to react with the calcium hydroxide in an acid-base mode, controlling the reaction temperature to be 80 ℃, the reaction time to be 2 hours, controlling the mass ratio of calcium to phosphorus to be 3:2, and controlling the pH value of a reaction mixture to be 5 after the reaction is finished. And then stirring while adding fatty alcohol-polyoxyethylene ether into the reaction mixture, controlling the addition of the fatty alcohol-polyoxyethylene ether to be 0.5mg/L, stirring at the speed of 150rpm and the temperature of 60 ℃, stirring for 3 hours, introducing into a homogenizer for homogenizing after stirring is finished, and homogenizing for 2 times at the homogenizing pressure of 25 MPa. Then, according to the weight ratio of polyethylene glycol 600: calcium sulfate: weighing polyethylene glycol 600 and calcium sulfate according to the mass ratio of 1:1:2 of calcium hydroxide, and mixing the polyethylene glycol 600 and the calcium sulfate to prepare the pore-foaming agent. And then uniformly mixing the pore-foaming agent and the calcium phosphate particles to prepare a raw material mixture. And (3) carrying out spray drying on the raw material mixture, and grinding after spray drying to obtain the porous nano molecular nest with the average particle size of 80 nanometers. The specific surface area of the prepared porous nano molecular nest is 500m2/g, and the pore volume is 0.9 ml/g.

The pH value of the fatty alcohol-polyoxyethylene ether is 5-7, the penetration time is less than or equal to 10s, and the hydroxyl value is 160-190 mgKOH/g.

Preparing a molecular nest containing bioactive components, and mixing a bioactive component saturated aqueous solution, a porous molecular nest and white carbon black to prepare the bioactive component-containing molecular nest, wherein the bioactive component saturated aqueous solution: porous molecular nest: the mass ratio of the white carbon black is 5:6: 1.

And dispersing the molecular nest containing the bioactive components, namely adding the molecular nest containing the bioactive components into a high-shear reaction kettle for stirring, wherein the high-shear temperature is 40 ℃, the shear rotation speed is 6000rpm, and the shear time is 20 min.

The preparation method of the sizing agent containing the molecular nest comprises the steps of adding the PAE wet strength agent with the solid content of 30%, the cationic polyacrylamide and the molecular nest containing the bioactive component into refined sizing agent, and uniformly mixing to obtain the sizing agent containing the molecular nest, wherein the dosage of the PAE wet strength agent with the solid content of 30% in each ton of sizing agent is 20g, the dosage of the cationic polyacrylamide is 30g, and the dosage of the molecular nest containing the bioactive component is 20 kg.

The cationic polyacrylamide has the ionic degree of 35%, the molecular weight of 900 ten thousand and the apparent viscosity of 40 cP.

The preparation method of the biohazard wallpaper containing the bioactive components comprises the steps of spraying the prepared slurry containing the molecular nest onto a mesh, extruding, drying, coating, wherein the coating is carried out by using a mixed coating agent consisting of styrene-acrylic latex, cationic tapioca starch, zinc oxide and anionic polyacrylamide, the mass ratio of the styrene-acrylic latex to the cationic tapioca starch to the zinc oxide to the anionic polyacrylamide is =3:2:2:1, the amount of the mixed coating agent used in coating is 10g/m2, and then drying the coated wallpaper in an oven at the drying temperature of 120 ℃ for 3 min.

And the post-treatment comprises printing, plate drying, softening, embossing, cooling, edge cutting, material accumulation, inspection, coiling, packaging, boxing and warehousing.

And during the printing, adding the wormwood into the printing ink while stirring, wherein the stirring speed is 90rpm, the stirring time is 30min, and the addition amount of the wormwood accounts for 2% of the mass of the printing ink. Then, shaking mixing was carried out, and printing was carried out after shaking mixing for 1 hour.

Example 2

A large biological wallpaper containing bioactive components and a preparation method thereof comprise pulping, preparation of a nano molecular nest containing bioactive components, preparation of slurry containing the nano molecular nest, preparation of the large biological wallpaper containing bioactive components and post-treatment.

The pulping is carried out by taking reed fiber and waste paper as raw materials, wherein the mass ratio of the reed fiber to the waste paper is 1:2, preparing initial pulp after cooking, and the cooking temperature is 160 ℃ and the time is 100 min.

And (3) pulping, namely further polishing the prepared initial pulp to refine and separate fibers to obtain refined pulp.

The preparation of the nano molecular nest containing the bioactive components comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing a porous nano molecular nest, preparing the nano molecular nest containing the bioactive components and dispersing the nano molecular nest containing the bioactive components.

The preparation method comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing the bioactive components according to the mass ratio of the wormwood extract, the olive extract and the lavender extract being 6:2:1, and dissolving the bioactive components in water to prepare the saturated aqueous solution of the bioactive components.

The preparation method of the porous nano molecular nest comprises the steps of firstly preparing 16g/L calcium hydroxide solution, adding the calcium hydroxide into a stirring kettle for stirring, controlling the stirring speed to be 110rpm, then dropwise adding 21g/L phosphoric acid solution to react with the calcium hydroxide in an acid-base mode, controlling the reaction temperature to be 82 ℃, the reaction time to be 2.1 hours, controlling the mass ratio of calcium to phosphorus to be 7:4, and controlling the PH of a reaction mixture to be 5 after the reaction is finished. And then stirring while adding fatty alcohol-polyoxyethylene ether into the reaction mixture, controlling the addition of the fatty alcohol-polyoxyethylene ether to be 0.6mg/L, stirring at the speed of 152rpm, the stirring temperature of 62 ℃, stirring for 3.5 hours, introducing into a homogenizer for homogenizing after stirring is finished, and homogenizing for 3 times at the homogenizing pressure of 26 MPa. Then, according to the weight ratio of polyethylene glycol 600: calcium sulfate: weighing polyethylene glycol 600 and calcium sulfate according to the mass ratio of 3:3:5 of calcium hydroxide, and mixing the polyethylene glycol 600 and the calcium sulfate to prepare the pore-foaming agent. And then uniformly mixing the pore-foaming agent and the calcium phosphate particles to prepare a raw material mixture. And (3) carrying out spray drying on the raw material mixture, and grinding after spray drying to obtain the porous nano molecular nest with the average particle size of 80 nanometers. The specific surface area of the prepared porous nano molecular nest is 550m2/g, and the pore volume is 1.0 ml/g.

The pH value of the fatty alcohol-polyoxyethylene ether is 5-7, the penetration time is less than or equal to 10s, and the hydroxyl value is 160-190 mgKOH/g.

Preparing a molecular nest containing bioactive components, and mixing a bioactive component saturated aqueous solution, a porous molecular nest and white carbon black to prepare the bioactive component-containing molecular nest, wherein the bioactive component saturated aqueous solution: porous molecular nest: the mass ratio of the white carbon black is 6:7: 1.

And (3) dispersing the molecular nest containing the bioactive component, namely adding the molecular nest containing the bioactive component into a high-shear reaction kettle for stirring, wherein the high-shear temperature is 45 ℃, the shear rotation speed is 6200rpm, and the shear time is 25 min.

The preparation method of the sizing agent containing the molecular nest comprises the steps of adding the PAE wet strength agent with the solid content of 30%, the cationic polyacrylamide and the molecular nest containing the bioactive component into refined sizing agent, and uniformly mixing to obtain the sizing agent containing the molecular nest, wherein the dosage of the PAE wet strength agent with the solid content of 30% in each ton of sizing agent is 25g, the dosage of the cationic polyacrylamide is 40g, and the dosage of the molecular nest containing the bioactive component is 22 kg.

The cationic polyacrylamide has the ionic degree of 35%, the molecular weight of 900 ten thousand and the apparent viscosity of 40 cP.

The preparation method of the bio-wallpaper containing the bioactive components comprises the steps of spraying the prepared slurry containing the molecular nest onto a mesh, extruding, drying, coating, wherein the coating is carried out by using a mixed coating agent consisting of styrene-acrylic latex, cationic tapioca starch, zinc oxide and anionic polyacrylamide, the mass ratio of the styrene-acrylic latex to the cationic tapioca starch to the zinc oxide to the anionic polyacrylamide is =4:2:2:1, the amount of the mixed coating agent used in coating is 15g/m2, and then drying the coated wallpaper in an oven at the drying temperature of 125 ℃ for 4 min.

And the post-treatment comprises printing, plate drying, softening, embossing, cooling, edge cutting, material accumulation, inspection, coiling, packaging, boxing and warehousing.

And during the printing, adding the wormwood into the printing ink while stirring, wherein the stirring speed is 100rpm, the stirring time is 35min, and the addition amount of the wormwood accounts for 4% of the mass of the printing ink. Then, shaking mixing was carried out, and printing was carried out after shaking mixing for 1.2 hours.

Example 3

A large biological wallpaper containing bioactive components and a preparation method thereof comprise pulping, preparation of a nano molecular nest containing bioactive components, preparation of slurry containing the nano molecular nest, preparation of the large biological wallpaper containing bioactive components and post-treatment.

The pulping is carried out by taking reed fiber and waste paper as raw materials, wherein the mass ratio of the reed fiber to the waste paper is 1:3, and the initial pulp is prepared after cooking, wherein the cooking temperature is 165 ℃ and the time is 110 min.

And (3) pulping, namely further polishing the prepared initial pulp to refine and separate fibers to obtain refined pulp.

The preparation of the nano molecular nest containing the bioactive components comprises the steps of preparing a saturated aqueous solution of the bioactive components, preparing a porous nano molecular nest, preparing the nano molecular nest containing the bioactive components and dispersing the nano molecular nest containing the bioactive components.

The preparation method comprises the steps of preparing a saturated aqueous solution of the bioactive component, preparing the bioactive component according to the mass ratio of the wormwood extract to the olive extract of 7:3, and dissolving the bioactive component in water to prepare the saturated aqueous solution of the bioactive component.

The preparation method of the porous nano molecular nest comprises the steps of firstly preparing 17g/L of calcium hydroxide solution, adding the calcium hydroxide into a stirring kettle for stirring, controlling the stirring speed to be 120rpm, then dropwise adding 22g/L of phosphoric acid solution to react with the calcium hydroxide in an acid-base mode, controlling the reaction temperature to be 85 ℃, the reaction time to be 2.2 hours, controlling the mass ratio of calcium to phosphorus to be 2:1, and controlling the PH of a reaction mixture to be 5 after the reaction is finished. And then stirring while adding fatty alcohol-polyoxyethylene ether into the reaction mixture, controlling the addition of the fatty alcohol-polyoxyethylene ether to be 0.7mg/L, stirring at the speed of 155rpm, the stirring temperature of 65 ℃, stirring for 4 hours, introducing into a homogenizer for homogenizing after stirring is finished, and homogenizing for 4 times at the homogenizing pressure of 27 MPa. Then, according to the weight ratio of polyethylene glycol 600: calcium sulfate: weighing polyethylene glycol 600 and calcium sulfate according to the mass ratio of 3:3:4 of calcium hydroxide, and mixing the polyethylene glycol 600 and the calcium sulfate to prepare the pore-foaming agent. And then uniformly mixing the pore-foaming agent and the calcium phosphate particles to prepare a raw material mixture. And (3) carrying out spray drying on the raw material mixture, and grinding after spray drying to obtain the porous nano molecular nest with the average particle size of 80 nanometers. The specific surface area of the prepared porous nano molecular nest is 600m2/g, and the pore volume is 1.1 ml/g.

The pH value of the fatty alcohol-polyoxyethylene ether is 5-7, the penetration time is less than or equal to 10s, and the hydroxyl value is 160-190 mgKOH/g.

Preparing a molecular nest containing bioactive components, and mixing a bioactive component saturated aqueous solution, a porous molecular nest and white carbon black to prepare the bioactive component-containing molecular nest, wherein the bioactive component saturated aqueous solution: porous molecular nest: the mass ratio of the white carbon black is 7:8: 1.

And dispersing the molecular nest containing the bioactive component, namely adding the molecular nest containing the bioactive component into a high-shear reaction kettle for stirring, wherein the high-shear temperature is 50 ℃, the shear rotation speed is 6500rpm, and the shear time is 30 min.

The preparation method of the sizing agent containing the molecular nest comprises the steps of adding the PAE wet strength agent with the solid content of 30%, the cationic polyacrylamide and the molecular nest containing the bioactive component into refined sizing agent, and uniformly mixing to obtain the sizing agent containing the molecular nest, wherein the dosage of the PAE wet strength agent with the solid content of 30% in each ton of sizing agent is 30g, the dosage of the cationic polyacrylamide is 50g, and the dosage of the molecular nest containing the bioactive component is 25 kg.

The cationic polyacrylamide has the ionic degree of 35%, the molecular weight of 900 ten thousand and the apparent viscosity of 40 cP.

The preparation method of the biota wallpaper containing the bioactive components comprises the steps of spraying the prepared slurry containing the molecular nest onto a mesh fabric, extruding, drying, coating, wherein the coating is performed by using a mixed coating agent consisting of styrene-acrylic latex, cationic tapioca starch, zinc oxide and anionic polyacrylamide, the mass ratio of the styrene-acrylic latex to the cationic tapioca starch to the zinc oxide to the anionic polyacrylamide is =5:2:2:1, the amount of the mixed coating agent used in coating is 20g/m2, and then drying the coated wallpaper in an oven at the drying temperature of 130 ℃ for 5 min.

And the post-treatment comprises printing, plate drying, softening, embossing, cooling, edge cutting, material accumulation, inspection, coiling, packaging, boxing and warehousing.

And during the printing, adding the wormwood into the printing ink while stirring, wherein the stirring speed is 110rpm, the stirring time is 40min, and the addition amount of the wormwood accounts for 5% of the mass of the printing ink. Then, shaking mixing was carried out, and printing was carried out after shaking mixing for 1.5 hours.

Example 4

The test performance of the large-organism wallpaper containing the bioactive components and described in the examples 1-3 is as follows:

all percentages used in the present invention are mass percentages unless otherwise indicated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.