阅读说明：本技术 一种黑色面膜纸的生产方法 (Production method of black facial mask paper ) 是由 危阳阳 罗凯文 杜显生 郭欣 肖辉 于 2019-08-05 设计创作，主要内容包括：本发明公开了一种黑色面膜纸的生产方法,步骤为：S100、打浆：将针叶木浆纤维与纳米级炭黑进行混合形成针叶木浆纤维-炭黑混合浆,采用双盘磨分别对针叶木浆纤维-炭黑混合浆和阔叶木浆纤维进行连续打浆,将打浆后的针叶木浆纤维-炭黑混合浆和阔叶木浆纤维混合,制成混合浆料；S200、抄纸：将混合浆料稀释,经短循环系统分别加入碳酸钙、瓜耳胶增强剂、瓜耳胶助留剂,形成纸浆,纸浆在网部成型和压榨部脱水处理,得到湿纸页；S300、烘干：湿纸页经过前干烘缸烘干处理得到半干纸页,半干纸页在施剂部位涂布湿强剂聚酰胺多胺-表氯醇树脂PAE,获得成纸,成纸再经过后干烘缸烘干处理,经卷取得到黑色面膜纸。根据本发明的黑色面膜纸的生产方法,生产的黑色面膜纸具备自然的黑色外观、整体均匀透气,产品中通过将木浆纤维与纳米级炭黑有机结合,在赋予面膜纸独特黑色外观的同时,还增强了其最终加工出的面膜吸附油污、渗透补水的能力。(the invention discloses a production method of black facial mask paper, which comprises the following steps: s100, pulping: mixing softwood pulp fibers and nano-scale carbon black to form softwood pulp fiber-carbon black mixed pulp, respectively and continuously pulping the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fibers by adopting a double disc mill, and mixing the pulped softwood pulp fiber-carbon black mixed pulp and hardwood pulp fibers to prepare mixed pulp; s200, papermaking: diluting the mixed pulp, respectively adding calcium carbonate, guar gum reinforcing agent and guar gum retention aid through a short circulation system to form paper pulp, and performing dehydration treatment on the paper pulp in a net part forming and pressing part to obtain wet paper sheets; s300, drying: and (3) drying the wet paper sheet by a front drying cylinder to obtain a semi-dry paper sheet, coating a wet strength agent polyamide polyamine-epichlorohydrin resin PAE on the agent application part of the semi-dry paper sheet to obtain finished paper, drying the finished paper by a rear drying cylinder, and reeling to obtain the black facial mask paper. According to the production method of the black facial mask paper, the produced black facial mask paper has natural black appearance and is uniform and breathable as a whole, and the unique black appearance is endowed to the facial mask paper by organically combining the wood pulp fibers and the nano-scale carbon black in the product, and the oil stain absorption, permeation and water replenishing capabilities of the finally processed facial mask are enhanced.)

1. the production method of the black facial mask paper is characterized by comprising the following steps:

s100, pulping: mixing the softwood pulp fibers with the nano-scale carbon black to form softwood pulp fiber-carbon black mixed pulp,

wherein the softwood pulp accounts for 50-90% by weight, the nano-scale carbon black has a particle size of 10-500nm and a weight percentage of 10-50%,

adopting a double disc mill to respectively carry out continuous pulping on the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber,

wherein the beating concentration of the softwood pulp fiber-carbon black mixed pulp is 2.8-3.8%, beating degree/wet weight (80-92) ° SR/(6.0-12.0) g, the beating concentration of the hardwood pulp fiber is 3.6-4.2%, beating degree/wet weight (20-35) ° SR/(1.0-4.0) g,

And (3) pulping the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber according to the following ratio of (50-90): (10-50) mixing in a weight ratio to prepare mixed slurry;

s200, papermaking: diluting the mixed slurry to 0.1-0.3% by mass, respectively adding calcium carbonate, guar gum reinforcing agent and guar gum retention aid through a short circulation system to form paper pulp,

Wherein the mass percentage concentration of the calcium carbonate is 15-25%, the grain diameter is less than or equal to 4.5 μm, the adding amount is 5-20% of the total weight of the paper pulp, the mass percentage concentration of the guar gum reinforcing agent is 0.01-0.07%, the adding amount is 0.1-0.7% of the total weight of the paper pulp, the mass percentage concentration of the guar gum retention aid is 0.01-0.04%, the adding amount is 0.015-0.07% of the total weight of the paper pulp,

forming paper pulp in a net part and performing dehydration treatment in a pressing part to obtain wet paper sheets;

S300, drying: the wet paper sheet is dried by a pre-drying cylinder to obtain a semi-dry paper sheet, the semi-dry paper sheet is coated with a wet strength agent polyamide polyamine-epichlorohydrin resin PAE at the position of the application agent to obtain paper,

Wherein the concentration of the wet strength agent polyamide polyamine-epichlorohydrin resin PAE is 4-12% by mass, the coating amount at the application part is 5-15% of the total weight of the paper,

and drying the finished paper in a post-drying cylinder, and reeling to obtain the black facial mask paper.

2. The method for producing black facial mask paper according to claim 1, wherein in step S300, the moisture content of the wet paper sheet is 30-60% by weight, the temperature of the pre-drying cylinder during drying is 80-110 ℃, the moisture content of the semi-dry paper sheet is 3-10% by weight, and the temperature of the post-drying cylinder during drying is 90-125 ℃.

3. the method for producing black facial mask paper according to claim 1, wherein in step S100, the method further comprises subjecting the mixed slurry to production and manufacture through a paper machine, wherein the vehicle speed is 100-600 m/min.

4. the method for producing black mask paper according to claim 1, wherein in step S100, the concentration of softwood pulp fibers is 3.2% by mass, and the concentration of hardwood pulp fibers is 4.2% by mass.

5. the method for producing black facial mask paper according to claim 1, wherein the softwood pulp fibers and hardwood pulp fibers are bleached pulp series or unbleached pulp series.

6. the production method of the black facial mask paper according to any one of claims 1 to 5, wherein the black facial mask paper has a quantitative rate of 14 to 45 g/square meter, a tensile strength of not less than 1.3kN/m, a wet strength of not less than 0.10kN/m, an ash content of 1 to 12 percent, a D65 brightness of not more than 20 percent and an opacity of not less than 80 percent.

7. The method for producing black facial mask paper according to claim 6, wherein the black facial mask paper has a thickness of 24 to 66 μm and an air permeability of 3 to 100 CU.

8. The method for producing black mask paper according to claim 6, wherein the appearance of the black mask paper is black or gray black.

Technical Field

The invention relates to the technical field of masks, in particular to a production method of black mask paper.

background

with the improvement of living standard, people's demand for facial care is higher and higher, and facial mask as an important part of facial care, also receives the attention of masses of people who love beauty. The materials used by the facial mask are more and more abundant in the development till now, and the facial mask mainly comprises silk, all cotton, non-woven fabrics, terylene, wood pulp fibers and the like.

at present, the beauty and skin care facial masks in the market are various in types, and certain beauty and skin care effects are certainly brought to the majority of consumers.

However, the prior art techniques for preparing facial mask paper have at least the following disadvantages:

(1) The product appearance and the characteristics are very single, and the regulation and the control in the industrial continuous production process are also very difficult;

(2) the mask has poor water permeability and moisturizing performance;

(3) The mask has poor air permeability;

(4) residual oil stains in facial pores are not cleaned;

(5) The black mask has the problems of low color fastness and difficult degradation;

(6) Poor strength and softness of the mask, and the like.

Therefore, the existing facial mask paper production technology, especially the black facial mask paper production technology, needs to be further improved.

disclosure of Invention

the present invention aims to provide a method for producing black facial mask paper, so as to solve the problems of the prior art, such as the above.

The invention discloses a production method of black facial mask paper, which comprises the following steps:

s100, pulping: mixing the softwood pulp fibers with the nano-scale carbon black to form softwood pulp fiber-carbon black mixed pulp,

wherein the softwood pulp accounts for 50-90% by weight, the nano-scale carbon black has a particle size of 10-500nm and a weight percentage of 10-50%,

adopting a double disc mill to respectively carry out continuous pulping on the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber,

Wherein the beating concentration of the softwood pulp fiber-carbon black mixed pulp is 2.8-3.8%, beating degree/wet weight (80-92) ° SR/(6.0-12.0) g, the beating concentration of the hardwood pulp fiber is 3.6-4.2%, beating degree/wet weight (20-35) ° SR/(1.0-4.0) g,

And (3) pulping the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber according to the following ratio of (50-90): (10-50) mixing in a weight ratio to prepare mixed slurry;

s200, papermaking: diluting the mixed slurry to 0.1-0.3% by mass, respectively adding calcium carbonate, guar gum reinforcing agent and guar gum retention aid through a short circulation system to form paper pulp,

Wherein the mass percentage concentration of the calcium carbonate is 15-25%, the grain diameter is less than or equal to 4.5 μm, the adding amount is 5-20% of the total weight of the paper pulp, the mass percentage concentration of the guar gum reinforcing agent is 0.01-0.07%, the adding amount is 0.1-0.7% of the total weight of the paper pulp, the mass percentage concentration of the guar gum retention aid is 0.01-0.04%, the adding amount is 0.015-0.07% of the total weight of the paper pulp,

forming paper pulp in a net part and performing dehydration treatment in a pressing part to obtain wet paper sheets;

s300, drying: the wet paper sheet is dried by a pre-drying cylinder to obtain a semi-dry paper sheet, the semi-dry paper sheet is coated with a wet strength agent polyamide polyamine-epichlorohydrin resin PAE at the position of the application agent to obtain paper,

Wherein the concentration of the wet strength agent polyamide polyamine-epichlorohydrin resin PAE is 4-12% by mass, and the coating amount at the application position is 5-15% of the total weight of the paper.

and drying the finished paper in a post-drying cylinder, and reeling to obtain the black facial mask paper.

optionally, in step S300, the moisture content of the wet paper sheet is 40 to 60% by weight, the temperature of the front drying cylinder during drying is 80 to 110 ℃, the moisture content of the semi-dry paper sheet is 3 to 10% by weight, and the temperature of the rear drying cylinder during drying is 90 to 125 ℃.

Optionally, in step S100, the method further includes performing production and manufacturing on the mixed slurry through a paper machine, where the speed is 100-600 m/min.

Optionally, in step S100, the mass percentage concentration of the softwood pulp fibers is 3.2%, and the mass percentage concentration of the hardwood pulp fibers is 4.2%.

Optionally, the softwood pulp fibers and hardwood pulp fibers are bleached pulp series or unbleached pulp series.

optionally, the black facial mask paper has a quantitative rate of 14-45 g/square meter, a tensile strength of more than or equal to 1.3kN/m, a wet strength of more than or equal to 0.10kN/m, an ash content of 1-12%, a D65 brightness of less than or equal to 20%, and an opacity of more than or equal to 80%.

Optionally, the thickness of the black facial mask paper is 24-66 μm, and the air permeability is 3-100 CU.

Optionally, the appearance of the black facial mask paper is black or gray black.

action principle and beneficial effect of the invention

the production method of the black facial mask paper has the following action principle and beneficial effects:

1. according to the production method of the black mask paper, the black mask paper can be directly manufactured on the existing paper machine production line by using wood pulp fibers and nano-scale carbon black materials through mixing and pulping, the popularization is very convenient, and the continuous and efficient production of the black mask paper can be realized through the method.

2. According to the production method of the black facial mask paper, the nano-scale carbon black material is fine and smooth enough, so that the finally produced black facial mask paper has natural black appearance and is uniform and breathable as a whole.

In addition, the nanoscale carbon black component added into the black facial mask paper can further adsorb residual oil stains in facial pores when the facial mask is used, and the effect of permeating and moisturizing the facial mask is enhanced after the pores are dredged.

3. According to the production method of the black facial mask paper, the softwood pulp fibers are subjected to severe devillicate and brooming treatment, and the better binding capacity with the nano-scale carbon black is endowed by improving the mesh devillicate and brooming structure of the softwood pulp fibers. Therefore, in the subsequent papermaking process, the carbon black component is not easy to run off, and the produced black mask paper does not have the problem of color fading;

By adding a proper amount of calcium carbonate, uniform pores can be formed in the fiber structure in the facial mask paper, and the paper sample paper has good air permeability and brings air permeability feeling to facial mask users;

the guar gum reinforcing agent and the guar gum retention aid are added to ensure that the carbon black component is better retained when the paper is dewatered in a net part, and meanwhile, the paper has good strength and softness;

The wet strength agent is coated on the surface of the application part, so that the dry strength and the wet strength of the finished paper are further improved, and the finished paper is endowed with the capacity of resisting breakage when meeting water.

4. according to the production method of the black facial mask paper, wood pulp fibers and the nano-scale carbon black are organically combined in the product, so that the unique black appearance of the facial mask paper is endowed, and the capacity of oil absorption and water permeation of a finally processed facial mask is enhanced;

according to the invention, by reasonably utilizing various fillers and additives, facial mask paper with different air permeability effects can be produced according to the requirements of facial mask manufacturers on the premise of ensuring the strength of the facial mask paper, and the method completely has the condition of batch stable production in a paper machine.

5. According to the production method of the black mask paper, the black mask paper with different air permeability effects and different depth levels can be produced according to different mask requirements. The finished paper has good dry and wet strength, and can meet the requirement that the finished paper is not cracked when being processed into a mask for application; the nano carbon black and wood pulp fiber are tightly combined by heavy pulping, and the color of the nano carbon black is never faded when the nano carbon black is used in water; the excessive tiny pores caused by the added nano carbon black strengthen the adsorption of residual oil stains in facial pores by the facial mask paper, and enhance the effect of the facial mask for permeating and moisturizing.

6. According to the production method of the black mask paper, the wood pulp fiber and the nano-scale carbon black which are used as main raw materials are natural plant raw materials, the processed mask has no stimulation to skin when in use, the used waste mask paper can be rapidly degraded in a natural environment, the degradation product has no pollution to the environment, and the comprehensive benefit is good.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a process flow diagram of a method for producing black facial mask paper according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In addition, the examples are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The process flow of the invention is as follows:

The invention discloses a production method of black facial mask paper. According to an embodiment of the present invention, as shown in fig. 1, the production method comprises the steps of:

S100, pulping:

Mixing the nano-scale carbon black with softwood pulp fibers and water to form softwood pulp fiber-carbon black mixed pulp,

In the softwood pulp fiber-carbon black mixed pulp, the weight percentage of the softwood pulp is 50-90%, the particle size of the nano-scale carbon black is 10-500nm, and the weight percentage is 10-50%,

Adopting a double disc mill to respectively carry out continuous pulping on the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber,

Wherein the beating concentration of the softwood pulp fiber-carbon black mixed pulp is 2.8-3.8%, beating degree/wet weight (80-92) ° SR/(6.0-12.0) g, the beating concentration of the hardwood pulp fiber is 3.6-4.2%, beating degree/wet weight (20-35) ° SR/(1.0-4.0) g,

and (3) pulping the softwood pulp fiber-carbon black mixed pulp and the hardwood pulp fiber according to the following ratio of (60-90): (10-40) mixing in a weight ratio to prepare a mixed slurry;

And (3) carrying out production and manufacture on the mixed slurry by a paper machine, wherein the speed is 100-600 m/min.

S200, papermaking:

Diluting the mixed slurry to 0.1-0.3% by mass, respectively adding calcium carbonate, guar gum reinforcing agent and guar gum retention aid through a short circulation system,

wherein the mass percentage concentration of the calcium carbonate is 15-25%, the grain diameter is less than or equal to 4.5 μm, the adding amount in the paper is 5-20% of the total weight of the paper pulp, the mass percentage concentration of the guar gum reinforcing agent is 0.01-0.07%, the adding amount in the paper pulp is 0.1-0.7% of the total weight of the paper pulp, the mass percentage concentration of the guar gum retention aid is 0.01-0.04%, the adding amount in the paper pulp is 0.015-0.07% of the total weight of the paper pulp,

forming in the wire section and dewatering in the press section to obtain wet paper sheet;

s300, drying:

the wet paper sheet is dried by a pre-drying cylinder to obtain a semi-dry paper sheet, the surface of the agent application part of the semi-dry paper sheet is coated with a wet strength agent polyamide polyamine-epichlorohydrin resin PAE to obtain paper,

Wherein the wet strength agent polyamide polyamine-epichlorohydrin resin PAE has the mass percentage concentration of 4-12%, and the addition amount of the wet strength agent polyamide polyamine-epichlorohydrin resin PAE at the application position is 5-15% of the total weight of the paper.

during drying, the moisture weight percentage of the wet paper sheet is 30-60%, the temperature of the front drying cylinder during drying treatment is 80-110 ℃, and the moisture weight percentage of the semi-dry paper sheet is 3-10% after the front drying cylinder performs drying treatment.

then, the black facial mask paper is subjected to drying treatment by a post-drying cylinder, the temperature of the post-drying cylinder during drying treatment is 90-125 ℃, and the black facial mask paper is obtained by coiling.

the product characteristics of the invention are as follows:

by utilizing the production method of the black facial mask paper, the prepared black facial mask paper product has the following characteristics:

The black facial mask paper has the quantitative rate of 14-45 g/square meter, the tensile strength of more than or equal to 1.3kN/m, the wet strength of more than or equal to 0.10kN/m, the ash content of 1-12%, the D65 brightness of less than or equal to 20%, the opacity of more than or equal to 80%, the thickness of 24-66 mu m and the air permeability of 3-100 CU.

According to the embodiments of the present invention, the technical solution of the present invention can be further modified based on the above, and the specific modified technical solution is already described in the summary of the invention section directly or indirectly, or is further described in the following embodiments section, so that it is not repeated herein.

the specific embodiment of the invention:

the invention will be further described by way of specific examples in conjunction with fig. 1, which are intended to be illustrative only and should not be construed as limiting the invention in any way. In addition, in the following examples, if not specifically mentioned, all the equipment and materials used are commercially available.