阅读说明：本技术 一种抗菌防蛀铜版纸加工方法 (Processing method of antibacterial and mothproof coated paper ) 是由 李建强 赵奇龙 于 2018-09-11 设计创作，主要内容包括：本发明涉及一种抗菌防蛀铜版纸加工方法,属于铜版纸加工技术领域,解决了现有技术中铜版纸防霉防蛀性较差的技术问题,通过制备原料纸、制备涂布液、制备铜版纸三步即实现抗菌防蛀铜版纸的加工,涂布液其原料包括胶料、淀粉、滑石粉、钛白粉、碳酸钙、松脂油、艾草-茶树混合提取物、防霉型杀菌剂、分散剂、添加助剂。本发明的抗菌防蛀铜版纸加工方法,通过在涂布液中添加防霉型杀菌剂、松脂油、艾草-茶树混合提取物,提高了铜版纸的防霉抗菌性,同时通过松脂油和艾草-茶树混合提取物之间的相互协同作用,提高了铜版纸的防蛀性,从而降低了铜版纸的储存条件和储存成本,提高了铜版纸的储存时间。(The invention relates to a processing method of antibacterial and mothproof coated paper, belongs to the technical field of coated paper processing, and solves the technical problem of poor mildew resistance and mothproof performance of the coated paper in the prior art. According to the processing method of the antibacterial and mothproof coated paper, the mildew-proof bactericide, the turpentine oil and the wormwood-tea tree mixed extract are added into the coating liquid, so that the mildew resistance and the antibacterial property of the coated paper are improved, and meanwhile, the mothproof property of the coated paper is improved through the mutual synergistic effect of the turpentine oil and the wormwood-tea tree mixed extract, so that the storage condition and the storage cost of the coated paper are reduced, and the storage time of the coated paper is prolonged.)

1. A processing method of antibacterial mothproof coated paper is characterized by comprising the following steps: the method comprises the following steps:

(1) preparing raw material paper: the raw materials comprise 6-10 parts of softwood pulp, 70-90 parts of reed pulp, 3-7 parts of starch and 7-12 parts of calcium sulfate by weight, and the raw materials are uniformly mixed, pulped, manufactured and dried to obtain raw material paper;

(2) preparing a coating liquid: the raw materials comprise, by weight, 70-90 parts of rubber material, 15-25 parts of starch, 5-7 parts of talcum powder, 5-7 parts of titanium dioxide, 2-6 parts of calcium carbonate, 0.5-1.5 parts of turpentine oil, 0.5-1.5 parts of wormwood-tea tree mixed extract, 0.5-1.5 parts of mildew-proof bactericide, 0.5-1.5 parts of dispersing agent and 0.2-0.6 part of additive; and uniformly mixing the raw materials to obtain a coating liquid;

(3) preparing coated paper: coating surface coating is adopted, coating liquid surface coating is carried out on the surface of the raw paper, and then the antibacterial and mothproof coated paper is obtained through drying, calendaring, shaping and rolling.

2. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the coating liquid comprises 80-85 parts of sizing material, 18-22 parts of starch, 5.5-6 parts of talcum powder, 6-6.5 parts of titanium dioxide, 3-4 parts of calcium carbonate, 0.8-1.3 parts of turpentine oil, 0.7-1.2 parts of wormwood-tea tree mixed extract, 0.8-1.2 parts of mildew-proof bactericide, 0.7-1.3 parts of dispersing agent and 0.3-0.5 part of additive aid.

3. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the wormwood-tea tree mixed extract comprises a wormwood extract and a tea tree extract, and the weight ratio of the wormwood extract to the tea tree extract is (2-5): 1.

4. The processing method of the antibacterial and mothproof coated paper as claimed in claim 3, which is characterized in that: the wormwood-tea tree mixed extract is prepared by adopting the following method: pulverizing folium Artemisiae Argyi, adding water, mixing, distilling with steam to obtain oil-water mixture, separating oil layer and water layer, and adding sodium sulfate into the oil layer to obtain folium Artemisiae Argyi extract; crushing tea trees, adding water, uniformly mixing, obtaining an oil-water mixture by adopting a steam distillation method, separating an oil layer and a water layer, and adding sodium sulfate into the oil layer to obtain a tea tree extract; and uniformly mixing the wormwood extract and the tea tree extract to obtain the wormwood-tea tree mixed extract.

5. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the mildew-proof bactericide is one or more of 1, 2-benzisothiazolin-3-one, 2-bromo-2-nitro-1, 3-propanediol, 2-methyl-4-isothiazoline-3-one and 5-chloro-2-methyl-4-isothiazoline-3-one.

6. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the dispersing agent is one or more of sodium polyacrylate, lignin and sodium citrate.

7. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the addition auxiliary agent is one or more of a lubricant, a defoaming agent and a thickening agent.

8. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the sizing material is one or more of carboxylic styrene-butadiene latex, acrylic latex and vinyl acetate-ethylene copolymer latex.

9. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the water content of the antibacterial and mothproof coated paper is 3-6 wt%.

10. The processing method of the antibacterial and mothproof coated paper as claimed in claim 1, which is characterized in that: the coating weight of the coating layer of the antibacterial and mothproof coated paper is 15-30 g/m.

Technical Field

The invention relates to the technical field of coated paper processing, in particular to a processing method of antibacterial and mothproof coated paper.

Background

The coated paper is high-grade printing paper made by coating white paint on base paper. The printing machine is mainly used for printing covers and insets of advanced books and periodicals, color pictures, various exquisite commodity advertisements, samples, commodity packages, trademarks and the like; after the white coating is coated on the surface of the base paper, the surface printability of the coated paper can be improved. And when the art paper among the prior art is in humid environment for a long time, it is damaged because of receiving the infringement of microorganism and moth very easily, influences the use of art paper, consequently in order to improve the storage time of art paper, needs to reduce the storage humidity of art paper, has improved the storage condition of art paper like this, has increased the storage cost of art paper.

Disclosure of Invention

The invention aims to provide a processing method of antibacterial and mothproof coated paper, which improves the mildew resistance and the antibacterial property of the coated paper by adding a mildew-proof bactericide, turpentine oil and a wormwood-tea tree mixed extract into a coating liquid, and simultaneously improves the mothproof property of the coated paper, reduces the storage condition and the storage cost of the coated paper and improves the storage time of the coated paper by the mutual synergistic action between the turpentine oil and the wormwood-tea tree mixed extract.

The technical purpose of the invention is realized by the following technical scheme:

a processing method of antibacterial mothproof coated paper comprises the following steps:

(1) preparing raw material paper: the raw materials comprise 6-10 parts of softwood pulp, 70-90 parts of reed pulp, 3-7 parts of starch and 7-12 parts of calcium sulfate by weight, and the raw materials are uniformly mixed, pulped, manufactured and dried to obtain raw material paper;

(2) preparing a coating liquid: the raw materials comprise, by weight, 70-90 parts of rubber material, 15-25 parts of starch, 5-7 parts of talcum powder, 5-7 parts of titanium dioxide, 2-6 parts of calcium carbonate, 0.5-1.5 parts of turpentine oil, 0.5-1.5 parts of wormwood-tea tree mixed extract, 0.5-1.5 parts of mildew-proof bactericide, 0.5-1.5 parts of dispersing agent and 0.2-0.6 part of additive; and uniformly mixing the raw materials to obtain a coating liquid;

(3) preparing coated paper: coating surface coating is adopted, coating liquid surface coating is carried out on the surface of the raw paper, and then the antibacterial and mothproof coated paper is obtained through drying, calendaring, shaping and rolling.

By adopting the technical scheme, the mildew-proof bactericide, the turpentine oil and the wormwood-tea tree mixed extract are added into the coating liquid, so that the mildew-proof antibacterial property of the coated paper is improved, and meanwhile, the moth-proofing property of the coated paper is improved, the storage condition and the storage cost of the coated paper are reduced, and the storage time of the coated paper is prolonged through the mutual synergistic effect between the turpentine oil and the wormwood-tea tree mixed extract.

Preferably, the raw materials of the coating liquid comprise 80-85 parts of sizing material, 18-22 parts of starch, 5.5-6 parts of talcum powder, 6-6.5 parts of titanium dioxide, 3-4 parts of calcium carbonate, 0.8-1.3 parts of turpentine oil, 0.7-1.2 parts of wormwood-tea tree mixed extract, 0.8-1.2 parts of mildew-proof bactericide, 0.7-1.3 parts of dispersing agent and 0.3-0.5 part of additive aid.

By adopting the technical scheme, the raw material proportion of the coating liquid is optimized, and the mildew resistance, the antibacterial property and the mothproof property of the coated paper are further improved.

More preferably, the wormwood-tea tree mixed extract comprises wormwood extract and tea tree extract, and the weight ratio of the wormwood extract to the tea tree extract is (2-5): 1.

By adopting the technical scheme, the weight ratio of the wormwood extract to the tea tree extract is optimized, and the insect expelling effect of the wormwood extract and the tea tree extract is improved, so that the moth resistance of the coated paper is improved.

More preferably, the wormwood-tea tree mixed extract is prepared by the following method: pulverizing folium Artemisiae Argyi, adding water, mixing, distilling with steam to obtain oil-water mixture, separating oil layer and water layer, and adding sodium sulfate into the oil layer to obtain folium Artemisiae Argyi extract; crushing tea trees, adding water, uniformly mixing, obtaining an oil-water mixture by adopting a steam distillation method, separating an oil layer and a water layer, and adding sodium sulfate into the oil layer to obtain a tea tree extract; and uniformly mixing the wormwood extract and the tea tree extract to obtain the wormwood-tea tree mixed extract.

By adopting the technical scheme, the wormwood extract and the tea tree extract are respectively prepared and then are uniformly mixed to obtain the wormwood-tea tree extract, so that the weight ratio of the wormwood extract to the tea tree extract is more accurate, and the moth resistance of the coated paper is improved.

More preferably, the mildew-proof bactericide is one or more of 1, 2-benzisothiazolin-3-one, 2-bromo-2-nitro-1, 3-propanediol, 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one.

More preferably, the dispersant is one or more of sodium polyacrylate, lignin and sodium citrate.

More preferably, the addition auxiliary agent is one or more of a lubricant, a defoaming agent and a thickening agent.

More preferably, the sizing material is one or more of carboxylic styrene-butadiene latex, acrylic latex and vinyl acetate-ethylene copolymer latex.

By adopting the technical scheme, the mildew-proof bactericide, the dispersing agent, the additive and the sizing material are optimized, so that the raw materials of the coated paper can be selected as required under the condition of meeting the production requirements of the antibacterial and mothproof coated paper, and the production cost of the coated paper is reduced.

More preferably, the water content of the antibacterial and mothproof coated paper is 3-6 wt%.

By adopting the technical scheme, the influence on the using effect of the antibacterial mothproof coated paper due to overhigh water content is avoided.

More preferably, the coating weight of the coating layer of the antibacterial and mothproof coated paper is 15-30g/m²。

By adopting the technical scheme, the coating amount is optimized, the requirement on the thickness of the coating layer of the antibacterial and mothproof coated paper is met, and the increase of the production cost of the antibacterial and mothproof coated paper due to overlarge coating amount is avoided.

In conclusion, the invention has the following beneficial effects:

according to the processing method of the antibacterial and mothproof coated paper, the mildew-proof bactericide, the turpentine oil and the wormwood-tea tree mixed extract are added into the coating liquid, so that the mildew resistance and the antibacterial property of the coated paper are improved, meanwhile, the moth resistance of the coated paper is improved through the mutual synergistic effect of the turpentine oil and the wormwood-tea tree mixed extract, the storage condition and the storage cost of the coated paper are reduced, and the storage time of the coated paper is prolonged.

And secondly, through the complementation of the performances of the wormwood extract and the tea tree extract, the insect expelling effect of the wormwood extract and the tea tree extract is improved, so that the moth resistance of the coated paper is improved.

And thirdly, the wormwood-tea tree mixed extract can improve the mildew resistance of the coated paper, the rosin oil in the coating liquid can improve the antibacterial property of the coated paper, and the mildew resistance and the antibacterial property of the coated paper are obviously improved through the mutual matching of the mildew-proof bactericide, the wormwood-tea tree mixed extract and the rosin oil.

Detailed Description

The present invention will be described in further detail with reference to examples. It should be understood that the preparation methods described in the examples are only for illustrating the present invention and are not to be construed as limiting the present invention, and that the simple modifications of the preparation methods of the present invention based on the concept of the present invention are within the scope of the present invention as claimed.