阅读说明：本技术 一种抗菌防霉环保纸及其制备方法 (Antibacterial and mildewproof environment-friendly paper and preparation method thereof ) 是由 周伟祥 王希洋 于 2020-12-15 设计创作，主要内容包括：本发明提供一种抗菌防霉环保纸及其制备方法,所述环保纸由动物纤维、植物混合料、植物发酵液、氨甲苯酸、氨基磺酸钠、纳米氧化锌制得,其中,所述动物纤维按重量份,由动物粪便50-60份、碱液70-80份、消毒剂5-10份、悬浮剂8-15份和漂白剂10-15份制作而成；所述植物混合料按重量份,由大豆残渣40-60份玉米秸秆40-60份制作而成；所述植物发酵液由20-40重量份的芦荟发酵而成；所述氨甲苯酸为2-5重量份、所述氨基磺酸钠为3-8重量份、所述纳米氧化锌为1-3重量份。本发明选用动物粪便、大豆残渣、玉米秸秆、芦荟作为原料制备的纸具有抗菌防霉的效果,同时可以有效利用植物废物残渣和动物粪便,有利于环境保护。(The invention provides an antibacterial mildew-proof environment-friendly paper and a preparation method thereof, wherein the environment-friendly paper is prepared from 50-60 parts by weight of animal excrement, 70-80 parts by weight of alkali liquor, 5-10 parts by weight of a disinfectant, 8-15 parts by weight of a suspending agent and 10-15 parts by weight of a bleaching agent, a plant mixture, plant fermentation liquor, aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide; the plant mixture is prepared from 40-60 parts of soybean residue and 40-60 parts of corn straw according to parts by weight; the plant fermentation liquid is prepared by fermenting 20-40 parts by weight of aloe; 2-5 parts of aminomethylbenzoic acid, 3-8 parts of sodium sulfamate and 1-3 parts of nano zinc oxide. The paper prepared by using the animal waste, the soybean residue, the corn straw and the aloe as the raw materials has the antibacterial and mildewproof effects, and meanwhile, the plant waste residue and the animal waste can be effectively utilized, so that the environment protection is facilitated.)

1. The antibacterial mildew-proof environment-friendly paper is characterized in that: the environment-friendly paper is prepared from animal fibers, a plant mixture, plant fermentation liquor, aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, wherein the animal fibers are prepared from 50-60 parts by weight of animal wastes, 70-80 parts by weight of alkali liquor, 5-10 parts by weight of a disinfectant, 8-15 parts by weight of a suspending agent and 10-15 parts by weight of a bleaching agent;

the plant mixture is prepared from 40-60 parts of soybean residue and 40-60 parts of corn straw according to parts by weight;

the plant fermentation liquid is prepared by fermenting 20-40 parts by weight of aloe;

2-5 parts of aminomethylbenzoic acid, 3-8 parts of sodium sulfamate and 1-3 parts of nano zinc oxide.

2. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the environment-friendly paper is prepared by mixing animal fibers, plant mixture and plant fermentation liquor, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing, making paper, and drying to obtain a finished product.

3. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the animal fiber is prepared by the following method: weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7-8, soaking for 4-6h, stirring until the blocks are dispersed, continuing to soak for 6-8h, adding a disinfectant and a 3/4 suspending agent, stirring uniformly, standing for 12-14h, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking the upper-layer suspended fibers, and bleaching by adopting a bleaching agent according to an ECF bleaching process to obtain animal fibers.

4. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the plant mixture is prepared by the following method: weighing soybean residue and corn straw according to weight, mixing, crushing, performing constant-temperature steam treatment for 10-12h at 180 ℃, cooling to 65 ℃ at a cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 10-15min, taking out, placing in a temperature of-0.5 ℃, performing constant-temperature freezing treatment for 10-15min, taking out, placing in a temperature of 80 ℃, performing constant-temperature steam treatment for 5-10min, heating to 135 ℃ at a heating rate of 3 ℃/min, continuing constant-temperature steam treatment for 20min, taking out, and cooling to room temperature to obtain a plant mixture.

5. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the plant fermentation liquor is prepared by the following method: cleaning fresh aloe, adding 3 times of water and 30% of bifidobacterium adolescentis into a reactor, uniformly stirring, fermenting at 30-35 ℃ for 70-80h in a sealed manner at constant temperature, adding 35% of bacillus subtilis, uniformly stirring, continuously fermenting for 80-90h, refrigerating at 18 ℃ for 1-2h at constant temperature, sterilizing in a sterilizing pot, sterilizing at 121 ℃ for 12min, and rapidly spraying and cooling tap water to normal temperature to obtain aloe fermentation liquor.

6. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: uniformly stirring the plant fermentation liquor and the plant mixture to obtain slurry; adding the animal fibers, heating with slow fire to 50-55 ℃, continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing at 54-60 ℃ and 55MPa for 10-15min, making paper, and oven drying to obtain the final product.

7. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: 55 parts of animal wastes, 50 parts of soybean residues, 50 parts of corn straws, 30 parts of aloe, 3 parts of aminomethylbenzoic acid, 5 parts of sodium sulfamate, 2 parts of nano zinc oxide, 75 parts of alkali liquor, 8 parts of a disinfectant, 12 parts of a suspending agent and 12 parts of a bleaching agent.

8. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the alkali liquor is sodium hydroxide solution with the mass fraction of 18%.

9. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the disinfectant is one of o-phthalaldehyde, chlorhexidine gluconate, hexamethyl-fructus Cucumidis Sativi, and chlorhexidine acetate.

10. The antibacterial and mildewproof environment-friendly paper as claimed in claim 1, wherein: the suspending agent is one of hydroxymethyl cellulose, xanthan gum and sodium alginate.

Technical Field

The invention relates to the technical field of papermaking, and particularly relates to antibacterial and mildewproof environment-friendly paper and a preparation method thereof.

Background

Paper is a sheet-like fibrous product used for writing, printing, drawing, packaging, or the like. The plant fiber pulp is produced with water suspension of plant fiber, and through the combination of crossing on net, initial dewatering, compression and stoving. China is a big agricultural country, the yield of straws can reach hundreds of millions of tons every year, and the huge resource is used as living energy in rural areas, most of the resources are abandoned on the ground or are burnt on the spot, and only a small part of the resources are used as feed or generate methane.

Research shows that the straw is composed of straw skin, straw pith and leaf parts, and the main components of the straw skin are cellulose and lignin; straw pulp contains a large amount of hemicellulose, starch and a small amount of protein components; the straw mainly contains crude protein, crude fat and carbohydrate, and the main components of the straw are cellulose, hemicellulose, lignin, pectin, crude protein, ash and the like, and the straw surface has a large amount of alcoholic hydroxyl groups, so when the straw is used for papermaking filling, the strength of paper is higher than that of inorganic mineral filler, but when the straw is used for paper requiring higher strength, the straw still cannot achieve satisfactory effect.

The excrement of herbivorous animals such as cattle, horses and the like also contains a large amount of plant fibers, and the fibers can be extracted from the excrement to prepare copy paper, so that the cost is low, the strategic idea of sustainable development is met, and the resources are utilized to the maximum extent. Meanwhile, the research on the antibacterial, mildew-proof and moth-proof properties of the paper is less, and the preparation process is complicated, so that the large-scale production is not facilitated, and therefore, the development of the antibacterial, mildew-proof and environment-friendly paper which adopts animal wastes, plant residues and straws as raw materials and the preparation method thereof are very necessary.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the antibacterial and mildewproof environment-friendly paper and the preparation method thereof, the paper prepared by using the animal wastes, the soybean residues, the corn straws and the aloes as the raw materials has the antibacterial and mildewproof effects, and meanwhile, the plant waste residues and the animal wastes can be effectively utilized, so that the environment protection is facilitated.

The technical scheme of the invention is realized as follows:

the antibacterial mildew-proof environment-friendly paper is characterized in that: the environment-friendly paper is prepared from animal fibers, a plant mixture, plant fermentation liquor, aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, wherein the animal fibers are prepared from 50-60 parts by weight of animal wastes, 70-80 parts by weight of alkali liquor, 5-10 parts by weight of a disinfectant, 8-15 parts by weight of a suspending agent and 10-15 parts by weight of a bleaching agent;

the plant mixture is prepared from 40-60 parts of soybean residue and 40-60 parts of corn straw according to parts by weight;

the plant fermentation liquid is prepared by fermenting 20-40 parts by weight of aloe;

2-5 parts of aminomethylbenzoic acid, 3-8 parts of sodium sulfamate and 1-3 parts of nano zinc oxide.

Preferably, the environment-friendly paper is prepared by mixing animal fibers, plant mixture and plant fermentation liquor, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing, making paper, and drying to obtain a finished product.

Preferably, the animal fiber is prepared by the following method: weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7-8, soaking for 4-6h, stirring until the blocks are dispersed, continuing to soak for 6-8h, adding a disinfectant and a 3/4 suspending agent, stirring uniformly, standing for 12-14h, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking the upper-layer suspended fibers, and bleaching by adopting a bleaching agent according to an ECF bleaching process to obtain animal fibers.

Preferably, the plant mixture is prepared by the following method: weighing soybean residue and corn straw according to weight, mixing, crushing, performing constant-temperature steam treatment for 10-12h at 180 ℃, cooling to 65 ℃ at a cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 10-15min, taking out, placing in a temperature of-0.5 ℃, performing constant-temperature freezing treatment for 10-15min, taking out, placing in a temperature of 80 ℃, performing constant-temperature steam treatment for 5-10min, heating to 135 ℃ at a heating rate of 3 ℃/min, continuing constant-temperature steam treatment for 20min, taking out, and cooling to room temperature to obtain a plant mixture.

Preferably, the plant fermentation liquid is prepared by the following method: cleaning fresh aloe, adding 3 times of water and 30% of bifidobacterium adolescentis into a reactor, uniformly stirring, fermenting at 30-35 ℃ for 70-80h in a sealed manner at constant temperature, adding 35% of bacillus subtilis, uniformly stirring, continuously fermenting for 80-90h, refrigerating at 18 ℃ for 1-2h at constant temperature, sterilizing in a sterilizing pot, sterilizing at 121 ℃ for 12min, and rapidly spraying and cooling tap water to normal temperature to obtain aloe fermentation liquor.

Preferably, the plant fermentation liquor and the plant mixture are uniformly stirred to obtain slurry; adding the animal fibers, heating with slow fire to 50-55 ℃, continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing at 54-60 ℃ and 55MPa for 10-15min, making paper, and oven drying to obtain the final product.

Preferably, the alkali liquor is sodium hydroxide solution with the mass fraction of 18%.

Preferably, the disinfectant is one of o-phthalaldehyde, chlorhexidine gluconate, hexamethyl-bishydroxygua and chlorhexidine acetate.

Preferably, the suspending agent is one of hydroxymethyl cellulose, xanthan gum and sodium alginate.

Preferably, the bleaching agent is a FAS pulp bleaching agent.

Preferably, the animal manure is 55 parts by weight, the soybean residue is 50 parts by weight, the corn straw is 50 parts by weight, the aloe is 30 parts by weight, the aminomethylbenzoic acid is 3 parts by weight, the sodium sulfamate is 5 parts by weight, the nano zinc oxide is 2 parts by weight, the alkali liquor is 75 parts by weight, the disinfectant is 8 parts by weight, the suspending agent is 12 parts by weight, and the bleaching agent is 12 parts by weight.

A preparation method of antibacterial and mildewproof environment-friendly paper comprises the following steps:

(1) weighing animal wastes according to the parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7-8, soaking for 4-6h, stirring until the blocks are dispersed, continuing to soak for 6-8h, adding a disinfectant and a 3/4 suspending agent, stirring uniformly, standing for 12-14h, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking the upper-layer suspended fibers, and bleaching by using an FAS paper pulp bleaching agent according to an ECF bleaching process to obtain animal fibers;

(2) weighing soybean residue and corn straw according to weight, mixing, crushing, performing constant-temperature steam treatment for 10-12h at 180 ℃, cooling to 65 ℃ at a cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 10-15min, taking out, placing in a condition of-0.5 ℃, performing constant-temperature freezing treatment for 10-15min, taking out, placing in a condition of 80 ℃ for constant-temperature steam treatment for 5-10min, heating to 135 ℃ at a heating rate of 3 ℃/min, continuing constant-temperature steam treatment for 20min, taking out, and cooling to room temperature to obtain a plant mixture;

(3) fermenting aloe to obtain aloe fermentation liquor, and uniformly stirring the aloe fermentation liquor and the mixture prepared in the step (2) to obtain slurry; the aloe fermentation liquor is prepared by the following steps: cleaning fresh aloe, adding 3 times of water and 30% of bifidobacterium adolescentis into a reactor, uniformly stirring, fermenting at 30-35 ℃ for 70-80h in a sealed manner at constant temperature, adding 35% of bacillus subtilis, uniformly stirring, continuously fermenting for 80-90h, refrigerating at 18 ℃ for 1-2h at constant temperature, and sterilizing in a sterilization pot, wherein the sterilization conditions are as follows: sterilizing in a sterilizer at 121 deg.C for 12min, rapidly spraying tap water, and cooling to room temperature to obtain Aloe fermentation broth.

(4) Adding the fiber prepared in the step (1) into the slurry prepared in the step (3), heating with slow fire to 50-55 ℃, continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing for 10-15min under the conditions that the temperature is 54-60 ℃ and the pressure is 55MPa, making paper, and drying to obtain a finished product.

The invention has the following beneficial effects:

the antibacterial mildew-proof environment-friendly paper and the preparation method thereof adopt the animal wastes as raw materials, and can effectively solve the problems of environmental pollution, pathogen infection and the like caused by the animal wastes; the soybean residue and the corn straw can effectively utilize wastes, and the problem of environmental pollution caused by the wastes is solved; the aloe fermentation liquor prepared from the aloe can enable paper to have certain antibacterial and mildewproof effects, and the preparation method is simple and easy to operate, low in cost and good in quality of the prepared paper.

Detailed Description

For a more clear understanding of the technical features, objects and advantages of the present invention, reference is now made to the following detailed description of the embodiments of the present invention taken in conjunction with the accompanying drawings, which are included to illustrate and not to limit the scope of the present invention.

Example 1

The antibacterial mildew-proof environment-friendly paper is prepared from the following raw materials in parts by weight: 55 parts of animal wastes, 50 parts of soybean residues, 50 parts of corn straws, 30 parts of aloe, 3 parts of aminomethylbenzoic acid, 5 parts of sodium sulfamate, 2 parts of nano zinc oxide, 75 parts of alkali liquor (sodium hydroxide solution with mass fraction of 18%), 8 parts of disinfectant o-phthalaldehyde, 12 parts of suspending agent hydroxymethyl cellulose, 12 parts of FAS paper pulp bleaching agent and 75 parts of water. The animal waste is cattle waste, and the soybean residue is bean dregs generated in bean curd production.

A preparation method of antibacterial and mildewproof environment-friendly paper comprises the following steps:

(1) weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7, soaking for 4 hours, stirring until the blocks are dispersed, continuing to soak for 6 hours, adding a disinfectant and an 3/4 suspending agent, stirring uniformly, standing for 12-14 hours, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking upper-layer suspended fibers, and bleaching by adopting an FAS paper pulp bleaching agent according to an ECF bleaching process to obtain animal fibers;

(2) weighing soybean residues and corn straws according to the weight, mixing and crushing the soybean residues and the corn straws, then carrying out constant-temperature steam treatment for 10h at the temperature of 180 ℃, cooling to 65 ℃ at the cooling rate of 5 ℃/min, continuing to carry out constant-temperature steam treatment for 10min, taking out the soybean residues and the corn straws, placing the soybean residues and the corn straws into a container at the temperature of-0.5 ℃, freezing the soybean residues and the corn straws at the constant temperature for 10min, taking out the soybean residues and the corn straws, placing the soybean residues and the corn straws into the container at the temperature of 80 ℃ for constant-temperature steam treatment for 5min, heating to 135 ℃ at;

(3) fermenting aloe to obtain aloe fermentation liquor, and uniformly stirring the aloe fermentation liquor and the mixture prepared in the step (2) to obtain slurry; the aloe fermentation liquor is prepared by the following steps: cleaning fresh aloe, adding 3 times of water by weight and 30% of bifidobacterium adolescentis by mass into a reactor, uniformly stirring, placing the reactor at the temperature of 30 ℃ for constant-temperature closed fermentation for 70 hours, adding 35% of bacillus subtilis by mass, uniformly stirring, continuing to ferment for 80 hours, placing the reactor at the temperature of 18 ℃ for constant-temperature refrigeration treatment for 1-2 hours, and placing the reactor in a sterilizer for sterilization, wherein the sterilization conditions are as follows: sterilizing in a sterilizer at 121 deg.C for 12min, rapidly spraying tap water, and cooling to room temperature to obtain Aloe fermentation broth.

(4) Adding the fiber prepared in the step (1) into the slurry prepared in the step (3), heating with slow fire to 50 ℃ and continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, carrying out homogenization treatment for 10min under the conditions of 54 ℃ of temperature and 55MPa of pressure, making paper, and drying to obtain a finished product.

Example 2

The antibacterial mildew-proof environment-friendly paper is prepared from the following raw materials in parts by weight: 50 parts of animal wastes, 40 parts of soybean residues, 40 parts of corn straws, 20 parts of aloe, 2 parts of aminomethylbenzoic acid, 3 parts of sodium sulfamate, 1 part of nano zinc oxide, 70 parts of alkali liquor (sodium hydroxide solution with mass fraction of 18%), 5 parts of disinfectant chlorhexidine gluconate, 8 parts of suspending agent xanthan gum, 10 parts of FAS paper pulp bleaching agent and 70 parts of water. The animal waste is horse waste, and the soybean residue is bean dregs generated in bean curd production.

A preparation method of antibacterial and mildewproof environment-friendly paper comprises the following steps:

(1) weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 8, soaking for 6 hours, stirring until the blocks are dispersed, continuing to soak for 8 hours, adding a disinfectant and an 3/4 suspending agent, stirring uniformly, standing for 14 hours, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking upper-layer suspended fibers, bleaching by using an FAS paper pulp bleaching agent according to an ECF bleaching process, and bleaching to obtain animal fibers;

(2) weighing soybean residues and corn straws according to the weight, mixing and crushing the soybean residues and the corn straws, performing constant-temperature steam treatment for 12h at the temperature of 180 ℃, cooling to 65 ℃ at the cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 15min, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the container at the temperature of-0.5 ℃, performing constant-temperature freezing treatment for 15min, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the container at the temperature of 80 ℃, performing constant-temperature steam treatment for 10min at the constant temperature, heating to 135 ℃ at the heating rate of 3 ℃/min;

(3) fermenting aloe to obtain aloe fermentation liquor, and uniformly stirring the aloe fermentation liquor and the mixture prepared in the step (2) to obtain slurry; the aloe fermentation liquor is prepared by the following steps: cleaning fresh aloe, adding 3 times of water by weight and 30% of bifidobacterium adolescentis by mass into a reactor, uniformly stirring, placing the reactor at the temperature of 35 ℃ for constant-temperature closed fermentation for 80h, adding 35% of bacillus subtilis by mass, uniformly stirring, continuing to ferment for 80-90h, placing the reactor at the temperature of 18 ℃ for constant-temperature refrigeration treatment for 1-2h, and placing the reactor in a sterilization pot for sterilization, wherein the sterilization conditions are as follows: sterilizing in a sterilizer at 121 deg.C for 12min, rapidly spraying tap water, and cooling to room temperature to obtain Aloe fermentation broth.

(4) Adding the fiber prepared in the step (1) into the slurry prepared in the step (3), heating with slow fire to 55 ℃ and continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, carrying out homogenization treatment for 15min under the conditions of temperature of 60 ℃ and pressure of 55MPa, making paper, and drying to obtain a finished product.

Example 3

The antibacterial mildew-proof environment-friendly paper is prepared from the following raw materials in parts by weight: 60 parts of animal wastes, 60 parts of soybean residues, 60 parts of corn straws, 40 parts of aloe, 5 parts of aminomethylbenzoic acid, 8 parts of sodium sulfamate, 3 parts of nano zinc oxide, 80 parts of alkali liquor (sodium hydroxide solution with mass fraction of 18%), 10 parts of disinfectant poly-hexamethyl-double-melon, 15 parts of suspending agent sodium alginate, 15 parts of FAS paper pulp bleaching agent and 80 parts of water. The animal waste is herbivorous animal waste such as pig, and the soybean residue is bean dregs generated in bean curd production.

A preparation method of antibacterial and mildewproof environment-friendly paper comprises the following steps:

(1) weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7, soaking for 6 hours, stirring until the blocks are dispersed, continuing to soak for 6 hours, adding a disinfectant and an 3/4 suspending agent, stirring uniformly, standing for 14 hours, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking upper-layer suspended fibers, bleaching by using an FAS paper pulp bleaching agent according to an ECF bleaching process, and bleaching to obtain animal fibers;

(2) weighing soybean residues and corn straws according to the weight, mixing and crushing the soybean residues and the corn straws, performing constant-temperature steam treatment for 11h at the temperature of 180 ℃, cooling to 65 ℃ at the cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 12min, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the container, performing constant-temperature freezing treatment for 13min at the temperature of-0.5 ℃, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the container, performing constant-temperature steam treatment for 8min at the temperature of 80 ℃, heating to 135 ℃ at the heating rate of 3 ℃/min, continuing constant-;

(3) fermenting aloe to obtain aloe fermentation liquor, and uniformly stirring the aloe fermentation liquor and the mixture prepared in the step (2) to obtain slurry; the aloe fermentation liquor is prepared by the following steps: cleaning fresh aloe, adding 3 times of water by weight and 30% of bifidobacterium adolescentis by mass into a reactor, uniformly stirring, placing the reactor at the temperature of 32 ℃ for sealed fermentation for 75h at constant temperature, adding 35% of bacillus subtilis by mass, uniformly stirring, continuing to ferment for 85h, placing the reactor at the temperature of 18 ℃ for constant-temperature refrigeration treatment for 1h, and placing the reactor in a sterilization pot for sterilization, wherein the sterilization conditions are as follows: sterilizing in a sterilizer at 121 deg.C for 12min, rapidly spraying tap water, and cooling to room temperature to obtain Aloe fermentation broth.

(4) Adding the fiber prepared in the step (1) into the slurry prepared in the step (3), heating with slow fire to 53 ℃ and continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, carrying out homogenization treatment for 12min under the conditions of the temperature of 58 ℃ and the pressure of 55MPa, making paper, and drying to obtain a finished product.

Example 4

The antibacterial mildew-proof environment-friendly paper is prepared from the following raw materials in parts by weight: 50 parts of animal wastes, 60 parts of soybean residues, 40 parts of corn straws, 40 parts of aloe, 2 parts of aminomethylbenzoic acid, 8 parts of sodium sulfamate, 1 part of nano zinc oxide, 80 parts of alkali liquor (sodium hydroxide solution with mass fraction of 18%), 5 parts of disinfectant chlorhexidine acetate, 15 parts of suspending agent xanthan gum, 10 parts of FAS paper pulp bleaching agent and 80 parts of water. The animal manure comprises excrements of cattle, horses and pigs according to the weight ratio of 1:2:1, and the soybean residue is soybean residue generated in bean curd making.

A preparation method of antibacterial and mildewproof environment-friendly paper comprises the following steps:

(1) weighing animal wastes according to parts by weight, putting the animal wastes into a soaking pool, adding water and alkali liquor, keeping the pH value at 7, soaking for 5 hours, stirring until the blocks are dispersed, continuing to soak for 7 hours, adding a disinfectant and an 3/4 suspending agent, stirring uniformly, standing for 13 hours, separating upper-layer fibers, adding into a cleaning pool, cleaning impurities, soaking in water, adding a 1/4 suspending agent, taking upper-layer suspended fibers, bleaching by using an FAS paper pulp bleaching agent according to an ECF bleaching process, and bleaching to obtain animal fibers;

(2) weighing soybean residues and corn straws according to the weight, mixing and crushing the soybean residues and the corn straws, performing constant-temperature steam treatment for 11h at the temperature of 180 ℃, cooling to 65 ℃ at the cooling rate of 5 ℃/min, continuing constant-temperature steam treatment for 14min, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the soybean residue, performing constant-temperature steam treatment at the temperature of-0.5 ℃ for 12min, taking out the soybean residues and the corn straws, putting the soybean residues and the corn straws into the soybean residue, performing constant-temperature steam treatment at the constant temperature of 80 ℃ for 7min, heating to 135 ℃ at the heating rate of 3 ℃/;

(3) fermenting aloe to obtain aloe fermentation liquor, and uniformly stirring the aloe fermentation liquor and the mixture prepared in the step (2) to obtain slurry; the aloe fermentation liquor is prepared by the following steps: cleaning fresh aloe, adding 3 times of water by weight and 30% of bifidobacterium adolescentis by mass into a reactor, uniformly stirring, placing the reactor at the temperature of 33 ℃ for sealed fermentation for 75 hours at constant temperature, adding 35% of bacillus subtilis by mass, uniformly stirring, continuing to ferment for 85 hours, placing the reactor at the temperature of 18 ℃ for constant-temperature refrigeration treatment for 2 hours, and placing the reactor in a sterilization pot for sterilization, wherein the sterilization conditions are as follows: sterilizing in a sterilizer at 121 deg.C for 12min, rapidly spraying tap water, and cooling to room temperature to obtain Aloe fermentation broth.

(4) Adding the fiber prepared in the step (1) into the slurry prepared in the step (3), heating with slow fire to 53 ℃ and continuously stirring, adding aminomethylbenzoic acid, sodium sulfamate and nano zinc oxide, uniformly stirring, homogenizing for 13min under the conditions of 56 ℃ and 55MPa, making paper, and drying to obtain a finished product.

Comparative example 1

The patent of application No. 201911003445.4, an environment-friendly paper and a preparation method thereof, is taken as comparative data, the data of example 1 in the patent are selected for comparison with the invention, and the specific data are shown in Table 1.

Comparative example 2

The antibacterial, mildew-proof and moth-proof rice paper raw pulp, the prepared rice paper and the patent of the preparation method of application No. 201911363479.4 are taken as comparative data, the data of example 1 in the patent are selected for comparison with the invention, and the specific data are shown in Table 1.

First, performance detection

The performance of the antibacterial and mildewproof environment-friendly paper and the finished product prepared by the preparation method are tested according to the following method, and the results are shown in table 1: the tensile strength of the antibacterial and mildewproof environment-friendly paper obtained in the examples 1 to 4 is measured by a ZL-100A type tensile tester according to GB/T453-1989 standard; the ring crush strength is measured by an HSD-A type compression tester according to the GB/T2679.8-1995 standard; and meanwhile, carrying out antibacterial and mildewproof detection.

TABLE 1

The embodiment and the comparative example show that the antibacterial mildew-proof environment-friendly paper prepared by the method can achieve better antibacterial property and mildew resistance, and has the advantages of high strength, high bursting index, difficult deformation in the using process and stable performance.

The above embodiments are merely provided to help understand the method and core principle of the present invention, and the main steps and embodiments of the present invention are described in detail by using specific examples. To those skilled in the art, the various conditions and parameters may be varied as desired in a particular implementation in accordance with the principles of the invention, and in view of the foregoing, the description is not to be taken as limiting the invention.