CN114318719A - Preparation method of wood pulp composite spunlace non-woven fabric - Google Patents
Preparation method of wood pulp composite spunlace non-woven fabric Download PDFInfo
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- CN114318719A CN114318719A CN202111493767.9A CN202111493767A CN114318719A CN 114318719 A CN114318719 A CN 114318719A CN 202111493767 A CN202111493767 A CN 202111493767A CN 114318719 A CN114318719 A CN 114318719A
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- wood pulp
- pulp composite
- woven fabric
- composite spunlace
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 58
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000004040 coloring Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 18
- 239000010413 mother solution Substances 0.000 claims abstract description 6
- 239000006185 dispersion Substances 0.000 claims abstract description 5
- 230000010355 oscillation Effects 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 25
- 239000012452 mother liquor Substances 0.000 claims description 13
- 238000002791 soaking Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002904 solvent Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 229920002522 Wood fibre Polymers 0.000 abstract description 3
- 239000002025 wood fiber Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000001238 wet grinding Methods 0.000 abstract description 2
- 238000009837 dry grinding Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
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- Nonwoven Fabrics (AREA)
- Coloring (AREA)
Abstract
The invention relates to the field of non-woven fabric production, in particular to a preparation method of a wood pulp composite spunlace non-woven fabric, and the wood pulp composite spunlace non-woven fabric is obtained according to the preparation method. The invention comprises the following steps: preparing a coloring mother solution from the nano ecological dye by adopting microwave oscillation dispersion, and padding the wood pulp composite spunlace nonwoven fabric in the prepared mother solution; and drying and dampening the padded wood pulp composite spunlaced non-woven fabric to obtain a finished product of the colored wood pulp composite spunlaced non-woven fabric containing the nano ecological color elements. The wood pulp composite spunlaced non-woven fabric prepared by the method has the advantages of excellent color fastness, dry and wet milling resistance and solvent resistance, and has good light resistance, and in the coloring process, the nano ecological dye can be well combined with wood fiber molecules, and does not need to be washed with water, so that the waste water discharge is avoided, the energy consumption is low, and the environment is protected.
Description
Technical Field
The invention relates to the field of non-woven fabric production processes, in particular to a preparation method of a wood pulp composite spunlace non-woven fabric, namely a nano ecological dye coloring method of the wood pulp composite spunlace non-woven fabric, and the wood pulp composite spunlace non-woven fabric obtained by the preparation method.
Background
The wood pulp composite spunlace non-woven fabric is prepared by taking wood fiber and spun-bonded fabric as raw materials and processing through a spunlace process, and is widely applied to cleaning in public places such as industrial wiping materials and medical care, wiping in daily life and the like due to high liquid absorption and degradability of wood pulp. The wood pulp composite spunlaced nonwoven material has the characteristics of high oil absorption, dirt absorption and no scrap drop after wiping. In practical application, the cleaning device is convenient to use, sanitary, quick and very convenient to clean high-precision instruments and mechanical equipment.
Because the finished product of the common wood pulp composite spunlaced non-woven fabric is white and monotonous in color, and cannot be effectively distinguished and used by using color systems in different environments, the wood pulp composite spunlaced non-woven fabric needs to be colored. The coloring method in the prior art usually needs dyeing and drying for many times to increase the fastness, and has the disadvantages of complicated steps and complex processing.
In addition, in the coloring production process of the common colored wood pulp composite spunlace non-woven fabric, a large amount of residual materials are washed, a large amount of waste water is generated, the energy consumption is high, and the problems of poor color fastness, poor wet grinding, solvent intolerance and the like exist.
Therefore, a production process of the wood pulp composite spunlace non-woven fabric with color recognition, high water absorption, high color fastness and solvent resistance, and simple and efficient preparation method is needed to be developed.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a novel preparation method of a wood pulp composite spunlace non-woven fabric nano-grade, which greatly improves the color fastness, acid resistance, solvent resistance and the like of the original dyed wood pulp composite spunlace non-woven fabric, simplifies the dyeing method and reduces the processing pollution.
In order to realize the aim, the invention provides a preparation method of a wood pulp composite spunlace non-woven fabric nano-grade, which comprises the following steps:
firstly, preparing a coloring mother solution from a nano ecological dye by microwave oscillation dispersion;
step two, pre-wetting the wood pulp composite spunlace non-woven fabric, and controlling the water content of the wood pulp composite spunlace non-woven fabric to be 50%;
step three, arranging the processed wood pulp composite spunlace nonwoven in prepared mother liquor for padding;
and step four, drying and dampening the padded wood pulp spunlace non-woven fabric to ensure that the water distribution of the manufactured wood pulp composite spunlace non-woven fabric is 5-8%.
After various tests on the sampling of the prepared wood pulp composite spunlace non-woven fabric, the finished product can be packaged.
Preferably, the water content of the wood pulp composite cloth before coloring is 50%, and the control within the range can improve the coloring efficiency of the wood pulp composite spunlace non-woven cloth in mother liquor.
Preferably, the nanometer ecological dye adopted by the coloring mother liquor has the particle size of 100 nm.
Preferably, the temperature of the coloring mother liquor is 70-85 ℃, and the temperature is selected to ensure that the wood pulp fiber is fully swelled and absorbed, ensure that the product is not shaped and realize the balance of efficiency and quality.
Preferably, the pH value of the coloring mother liquor is 5.0-9.0.
Preferably, the concentration of the mother liquor is 0.5% -3%, the concentration is selected, the full coloring depth of the wood pulp fiber is guaranteed, no residual material is guaranteed, and the balance of efficiency and quality is realized.
Preferably, the retention time of the liquor is 15 seconds or more, and the retention time of the liquor is controlled in 2 padding cycles so that the pulp can sufficiently absorb the liquor.
Preferably, the drying temperature is related to drying, and the surface temperature of the drying cylinder is 180 ℃.
Preferably, the drying time is drying, and the drying time is not less than 120 seconds.
The combination of the dye and the fiber is ensured by the selection of the drying temperature and time.
The invention uses nano ecological dyeing wood pulp composite spunlace non-woven fabric to enable the pre-wetted wood pulp composite spunlace non-woven fabric to swell in dye liquor, nano dye molecules easily enter between wood pulp fiber molecules of wood pulp fibers at a proper temperature and generate hydrogen bond action, the combination area is increased, the nano dye molecules are completely adsorbed on the wood fibers after being extruded by a dipping roller, redundant dye is rolled and completely removed, the water content of a finished product is controlled, and the structure is maintained, so that the wood pulp composite spunlace non-woven fabric has high color fastness and solvent resistance, and the original liquid absorption performance of the wood pulp is not influenced.
The invention has the following beneficial effects: the wood pulp composite spunlace non-woven fabric prepared by the invention has high color fastness, high water absorption and light resistance, the raw materials are all from plants, and the color is eluted without water in the production process, so that no pollutant exists. The preparation method is simple and convenient, has low energy consumption and cost and little pollution, and is convenient for large-scale production.
Drawings
FIG. 1 is a flow chart of the production process of the present invention.
Detailed Description
In order to better understand the technical solution of the present application, the following detailed description is made on the embodiments of the present application.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
The nano coloring of the wood pulp composite spunlace non-woven fabric comprises the following steps:
firstly, preparing a coloring mother solution from a nano ecological dye by microwave oscillation dispersion, wherein the particle size of the nano ecological dye adopted by the coloring mother solution is 100nm, the concentration is 0.5-3%, and the pH value is adjusted to 5.0-9.0;
step two, pre-wetting the wood pulp composite spunlace non-woven fabric, and controlling the water content of the wood pulp composite spunlace non-woven fabric to be 50%;
step three, the treated wood pulp composite spunlace nonwoven is arranged in prepared mother liquor for padding, the retention time of the mother liquor is more than 15 seconds, and padding is carried out for 2 times;
and step four, drying and dampening the padded wood pulp spunlace non-woven fabric, wherein the drying temperature is 180 ℃, the drying time is 120 seconds, and the water distribution of the prepared wood pulp composite spunlace non-woven fabric is 5-8%.
The non-woven fabrics prepared in the examples were subjected to dyeing property tests, and the method and the results included:
the method for testing the color fastness comprises the following steps: immersing 10 g of a test sample in a 200ml beaker with 100 ℃ boiling water, soaking for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker with normal temperature water for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker with alcohol solution at the temperature for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker with alcohol solution at the temperature for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker with acetone solution at the temperature for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker with the temperature of gasoline solution for 5 minutes, quickly stirring for 30 seconds, and taking out, wherein the test sample is clear water and the residual water in the beaker does not fade;
the method for testing the color fastness comprises the following steps: soaking 10 g of a test sample in a 200ml beaker of 1% detergent for 5 minutes, rapidly stirring for 30 seconds, and taking out, wherein the rest water in the beaker is slightly discolored compared with clear water because the detergent contains an activating enzyme which can remove hydrogen chains;
the method for testing the water absorption comprises the following steps: and measuring the water absorption height of the 20mm 100mmm test sample to be more than 40mm according to a water absorption climbing height measuring method.
In conclusion, the nano ecological dye wood pulp composite spunlaced nonwoven fabric prepared by the method has the advantages of high color fastness, high liquid absorption, high decontamination, solvent resistance, wide application range and low pollution, is widely used for cleaning in public places such as industrial wiping materials and medical care, wiping in daily life and the like, and can be degraded and subjected to dispersion treatment. The method is simple and efficient, has low energy consumption and little pollution, and is suitable for industrial production.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (10)
1. The preparation method of the wood pulp composite spunlace non-woven fabric is characterized by comprising the following steps:
firstly, preparing a coloring mother solution from a nano ecological dye by microwave oscillation dispersion;
step two, pre-wetting the wood pulp composite spunlace non-woven fabric;
step three, arranging the processed wood pulp composite spunlace nonwoven in prepared mother liquor for padding;
and step four, drying and dampening the padded wood pulp spunlace non-woven fabric to ensure that the water content of the manufactured wood pulp composite spunlace non-woven fabric is 5-8%.
2. The method for preparing the wood pulp composite spunlace nonwoven fabric according to claim 1, further comprising a fifth step of packaging a finished product after sampling the prepared wood pulp composite spunlace nonwoven fabric and performing various tests.
3. The method of claim 1, wherein the pre-colored wood pulp composite spunlace nonwoven has a moisture content of 50%.
4. The method of claim 1, wherein the coloring mother liquor temperature is 70-85 degrees.
5. The method for preparing a wood pulp composite spunlace nonwoven fabric according to claim 1, wherein the coloring mother liquor is a nano ecological dye with the particle size of 100 nm.
6. The method for preparing the wood pulp composite spunlace nonwoven fabric according to claim 1, wherein the dye mother liquor is prepared by dispersing nano ecological dye through microwave oscillation, and the concentration is 0.1-2%.
7. The method of claim 1, wherein the pH of the mother liquor is controlled to 5.0-9.0.
8. The method for preparing the wood pulp composite spunlace nonwoven fabric according to claim 1, wherein the soaking time is longer than 15 seconds, and 2 times of padding is adopted.
9. The method for preparing the wood pulp composite spunlace nonwoven fabric according to claim 1, wherein the drying method in the fourth step is drying, the drying temperature is 180 ℃, and the drying time is 120 seconds.
10. A wood pulp composite spunlaced nonwoven prepared according to the method of claims 1-10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493767.9A CN114318719A (en) | 2021-12-08 | 2021-12-08 | Preparation method of wood pulp composite spunlace non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493767.9A CN114318719A (en) | 2021-12-08 | 2021-12-08 | Preparation method of wood pulp composite spunlace non-woven fabric |
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| CN114318719A true CN114318719A (en) | 2022-04-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631149A (en) * | 2013-11-15 | 2015-05-20 | 青岛鑫益发工贸有限公司 | Anhydrous and little-water environment-friendly dyeing technology |
| US20160010275A1 (en) * | 2014-07-11 | 2016-01-14 | University Of Georgia Research Foundation, Inc. | Textile dyeing using nanocellulosic fibers |
| CN110565264A (en) * | 2019-09-17 | 2019-12-13 | 绍兴莱洁新材料科技有限公司 | preparation method of high-transparency high-water-absorptivity cellulose fiber spunlace non-woven fabric |
| CN112323485A (en) * | 2020-03-01 | 2021-02-05 | 山东德润新材料科技有限公司 | Production process for online fruit dyeing spunlace non-woven fabric |
-
2021
- 2021-12-08 CN CN202111493767.9A patent/CN114318719A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631149A (en) * | 2013-11-15 | 2015-05-20 | 青岛鑫益发工贸有限公司 | Anhydrous and little-water environment-friendly dyeing technology |
| US20160010275A1 (en) * | 2014-07-11 | 2016-01-14 | University Of Georgia Research Foundation, Inc. | Textile dyeing using nanocellulosic fibers |
| CN110565264A (en) * | 2019-09-17 | 2019-12-13 | 绍兴莱洁新材料科技有限公司 | preparation method of high-transparency high-water-absorptivity cellulose fiber spunlace non-woven fabric |
| CN112323485A (en) * | 2020-03-01 | 2021-02-05 | 山东德润新材料科技有限公司 | Production process for online fruit dyeing spunlace non-woven fabric |
Non-Patent Citations (1)
| Title |
|---|
| 关士林等: "纳米生态染料的研究", 印染助剂, vol. 21, no. 1, pages 15 - 17 * |
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