CN109736078B - After-finishing process of moisture-absorbing cool sports fabric - Google Patents
After-finishing process of moisture-absorbing cool sports fabric Download PDFInfo
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Abstract
The invention relates to an after-finishing process of moisture-absorbing cool sports fabric, which comprises the following steps: (1) preparing hydroxylated nanometer BN powder HO-BNNSs; (2) mixing HO-BNNSs, a hydrophilic finishing agent and a titanate coupling agent to prepare a dispersion finishing liquid; (3) carrying out alkali modification treatment on the polyester-ammonia fabric; (4) and padding the alkali modified polyester-ammonia fabric into the dispersion finishing liquid, carrying out two-time soaking and two-time rolling, pre-drying and baking to obtain the moisture-absorbing cool polyester-ammonia sports fabric. The finishing process is simple, and the finished fabric has excellent moisture absorption and cooling performance.
Description
Technical Field
The invention belongs to the technical field of functional sports fabrics, and particularly relates to an after-finishing process of a moisture-absorbing cool sports fabric.
Background
Under the condition of strenuous exercise, a large amount of perspiration of a human body easily forms a high-temperature and high-humidity climate environment, particularly in hot summer, the wearing comfort of the human body is directly influenced by the microclimate environment on the surface of the skin of the human body, and the wearing discomfort is generated if the human body is light, so people prefer cool and comfortable textiles, put higher requirements on the moisture absorption and cooling performance of the summer sports garment fabric, and pay more attention to the functionality of the garment. Among the current sports fabrics, the pure cotton fabric has strong hygroscopicity, does not have any stimulation when contacting with skin, but is easy to generate stuffy feeling when sweating during sports, and can generate certain influence on human health because sweat cannot be timely discharged outwards. The polyester-ammonia fabric serving as the current sport fabric is a major fabric, has the advantages of strong comprehensive advantages, easiness in washing and drying, good elasticity, sun resistance, low price and the like, meets the basic requirements of people in the current society on the sport fabric, and has a few defects, such as poor hygroscopicity, and the like.
In previous researches, some scholars perform cooling finishing on fabrics by adopting graphene powder or mint oil microcapsules and the like to endow the fabrics with certain heat conducting performance so as to achieve a cooling effect, but some graphite has a plurality of defects, such as certain harm to the environment and human bodies, graphite dust formed in the air, easy pneumoconiosis after the human bodies are inhaled, influence on the health of the human bodies and environmental pollution; meanwhile, the cost of the graphite is high, and the industrial development is not easy to realize; the powder is black, and can affect the color of the fabric to a certain extent; the peppermint oil microcapsule has high manufacturing cost, has certain requirements on equipment for production and processing, and is not beneficial to large-scale and industrialized production.
Chinese patent (201810078502.4) discloses a graphene bifunctional knitted fabric, which is prepared by firstly respectively modifying graphene and regenerated cellulose, and then mixing the solution and melting the solution; secondly, mixing nylon chips with the modified graphene oxide, extruding and granulating to obtain graphene-nylon master batches, then carrying out a melt spinning process to obtain graphene-nylon composite fibers, and finally weaving the functional fibers with different tissue structures to obtain the functional sports fabric. The graphene composite fiber comprises a graphene composite fiber layer and a common fiber layer; the graphene double-function knitted fabric which is developed by the method is characterized in that a graphene composite fiber layer is prepared by adopting the blended yarn of the graphene nylon fiber and the graphene viscose fiber, and the functional knitted sportswear fabric is cool and comfortable to wear by utilizing the higher thermal conductivity and the unique far infrared heating function of the graphene nylon composite fiber. The functional fibers are prepared through the processes of modification of the graphene, the regenerated cellulose fibers and the polyamide fibers, melt spinning and the like, and then the functional fabric is woven, so that the fabric can have a certain cooling effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing an after-finishing process of moisture-absorbing cool sports fabric, and overcoming the defect that the existing graphene powder or peppermint oil microcapsule and the like are used for cooling and finishing fabrics.
The invention relates to an after-finishing process of moisture-absorbing cool sports fabric, which comprises the following steps:
(1) oxidizing nanometer BN under hot steam, cooling, filtering, washing and drying to obtain hydroxylated nanometer BN powder HO-BNNSs;
(2) dissolving HO-BNNSs prepared in the step (1) in deionized water, magnetically stirring, adding a hydrophilic finishing agent and a titanate coupling agent, standing, adjusting the pH value to 6.5-7.5, and performing ultrasonic dispersion to obtain a dispersion finishing liquid; wherein the mass fraction ratio of HO-BNNSs, the hydrophilic finishing agent and the titanate coupling agent is 2-6% to 1-12% to 1-6%;
(3) placing the polyester-ammonia fabric in alkali liquor for vibration treatment, taking out the fabric, washing and drying the fabric to obtain an alkali modified polyester-ammonia fabric;
(4) and (3) padding the alkali modified polyester-ammonia fabric prepared in the step (3) into the dispersion finishing liquid prepared in the step (2), performing two-dipping and two-rolling, pre-drying and baking to obtain the moisture-absorbing cool polyester-ammonia sportswear fabric.
The process conditions of the oxidation under the hot steam in the step (1) are as follows: and raising the temperature to 850-1000 ℃ in a muffle furnace, and preserving the temperature for 2-3 h.
The process conditions of filtering and washing in the step (1) are as follows: and repeatedly filtering and washing the mixture for 3-5 times by using deionized water.
The hydrophilic finishing agent in the step (2) is TF-620.
The titanate coupling agent in the step (2) is HY 311W.
And (3) the magnetic stirring time in the step (2) is 0.5-1 h.
And (3) the time of ultrasonic dispersion in the step (2) is 1-2 h.
And (3) adjusting the pH value by adopting ammonia water in the step (2).
And (3) the alkali liquor in the step (3) is 15-20 g/L NaOH solution.
The oscillation treatment in the step (3) comprises the following process conditions: and (3) placing the mixture in an oscillating water bath kettle at the temperature of 75-90 ℃ for oscillation treatment for 20-40 min.
The washing process conditions in the step (3) are as follows: and repeatedly washing for 3-5 times by using deionized water.
The drying temperature in the step (3) is 100-110 ℃.
The liquid carrying rate of the second soaking and the second rolling in the step (4) is 90-110%.
The process parameters of the pre-baking in the step (4) are as follows: the pre-drying temperature is 100-110 ℃, and the pre-drying time is 2-3 min.
The baking process parameters in the step (4) are as follows: the baking temperature is 150-170 ℃, and the baking time is 1-2 min.
Advantageous effects
(1) The finishing process is simple, and the finished fabric has excellent moisture absorption and cooling performance.
(2) The invention carries out cool finishing on the polyester-ammonia fabric by adopting the nanometer BN powder. Compared with the existing cooling finishing technology which adopts graphene powder or peppermint oil microcapsules, the nanometer BN is white powder, and is beneficial to commercialization of fabrics. The chemical stability is high, and the finished fabric has certain functions of oxidation resistance, corrosion resistance and the like; the heat-conducting material also has excellent heat-conducting property, is similar to a graphite structure, is a laminated structure, is called white graphite because of white, has lower production and processing cost, is easy to industrially develop, is non-toxic and environment-friendly, is widely applied to female skin care cosmetics, and can be safely used for fabric finishing.
(3) The invention selects a hydrophilic agent with a polyester-polyether block copolymer structure, carries out moisture absorption cooling function finishing on the fabric by a padding method, firstly, the fabric is soaked in a dispersion finishing liquid for 5-10min, then the finishing liquid is extruded to a polyester-ammonia fabric through a roller on a padder, then, through the procedures of pre-drying and baking, the chain segment structure of the fabric is promoted to extend through high temperature, so that the partial structure of the hydrophilic finishing agent similar to the fabric structure generates cocrystallization, the chain segment shrinks after cooling, the hydrophobic part structure of the finishing agent is coated in the fabric, and the hydrophilic part is exposed on the surface, thereby achieving the firm and durable moisture absorption effect. Meanwhile, the nanometer BN powder and the fabric are subjected to chemical reaction through a high-temperature process under the action of the coupling agent, and the nanometer BN powder is firmly combined with the fabric, so that the cooling effect is achieved. And the padding method process can be used for large-batch continuous production, has high efficiency and low cost, is easy to control, and is beneficial to the industrialized development of the functional fabrics.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The test standards adopted in the embodiments of the present invention are:
(1) moisture absorption test: according to GB/T21655.1-2008 assessment of quick moisture absorption drying of textiles, part 1: the moisture absorption and sweat releasing performance of the fabric is tested by a single combination test method.
(2) And (3) cooling property test: and (4) carrying out a cooling performance test on the fabric according to GB/T35263-2017 detection and evaluation of the cool feeling performance at the moment of textile contact.
The breadth of the selected polyester-ammonia fabric (Quanzhou Lianheng) is 165cm, and the gram weight is 260g/m2(ii) a The nanometer BN (Suzhou naapo material) is white powder, and the particle size of the nanometer BN is 300-500 nm; hydrophilic finishing agent TF-620 (chemical industry); titanate coupling agent HY311W (and Metachemical industry).
Example 1
(1) And (2) placing the nanometer BN in a muffle furnace, raising the temperature to 900 ℃, preserving the heat for 2.5h, oxidizing when the nanometer BN is subjected to high-temperature treatment by hot steam, cooling, removing cutin on the edge, filtering and washing by-products possibly generated in the high-temperature oxidation process by deionized water, repeating the filtering and washing for 3 times, and finally drying to obtain the hydroxylated nanometer BN powder HO-BNNSs.
(2) Deionized water is used as a dispersion medium, HO-BNNSs dispersion liquid with the mass fraction of 3% is prepared, magnetic stirring is carried out for 0.5h, 3% of TF-620 hydrophilic finishing agent and 1.5% of HY311W are added while stirring, standing observation is carried out, the pH value of the dispersion liquid is adjusted by ammonia water to be within the range of 6.5-7.5, then ultrasonic dispersion is carried out for 1h, and finally uniform and stable dispersion finishing liquid is prepared.
(3) And (2) putting the polyester-polyurethane fabric into 15g/L NaOH solution, placing the polyester-polyurethane fabric into an oscillating water bath kettle at the temperature of 80 ℃ for oscillation treatment for 30min, then taking out the polyester-polyurethane fabric, washing the polyester-polyurethane fabric by using deionized water, repeatedly washing the polyester-polyurethane fabric for 3 times, and drying the polyester-polyurethane fabric in an oven at the temperature of 105 ℃ to finally obtain the alkali modified polyester-polyurethane fabric.
(4) And (3) padding the alkali modified polyester-ammonia fabric obtained in the step (3) into the dispersion finishing liquid obtained in the step (2), performing secondary padding and secondary rolling (the liquid carrying rate is 90%), then pre-drying (105 ℃, 2min), and baking (160 ℃, 1min) to obtain the moisture-absorbing cool polyester-ammonia sports fabric.
Example 2
(1) And (2) placing the nanometer BN in a muffle furnace, raising the temperature to 900 ℃, preserving the heat for 2.5h, oxidizing when the nanometer BN is subjected to high-temperature treatment by hot steam, cooling, removing cutin on the edge, filtering and washing by-products possibly generated in the high-temperature oxidation process by deionized water, repeating the filtering and washing for 3 times, and finally drying to obtain the hydroxylated nanometer BN powder HO-BNNSs.
(2) Deionized water is used as a dispersion medium, HO-BNNSs dispersion liquid with the mass fraction of 4% is prepared, magnetic stirring is carried out for 0.5h, 6% of TF-620 hydrophilic finishing agent and 2% of HY311W are added while stirring, standing observation is carried out, the pH value of the dispersion liquid is adjusted by ammonia water to be within the range of 6.5-7.5, then ultrasonic dispersion is carried out for 1h, and finally uniform and stable dispersion finishing liquid is prepared.
(3) And (2) putting the polyester-polyurethane fabric into 15g/L NaOH solution, placing the polyester-polyurethane fabric into an oscillating water bath kettle at the temperature of 80 ℃ for oscillation treatment for 30min, then taking out the polyester-polyurethane fabric, washing the polyester-polyurethane fabric by using deionized water, repeatedly washing the polyester-polyurethane fabric for 3 times, and drying the polyester-polyurethane fabric in an oven at the temperature of 105 ℃ to finally obtain the alkali modified polyester-polyurethane fabric.
(4) And (3) padding the alkali modified polyester-ammonia fabric obtained in the step (3) into the dispersion finishing liquid obtained in the step (2), performing secondary padding and secondary rolling (the liquid carrying rate is 90%), then pre-drying (105 ℃, 2min), and baking (160 ℃, 1min) to obtain the moisture-absorbing cool polyester-ammonia sports fabric.
Example 3
(1) And (2) placing the nanometer BN in a muffle furnace, raising the temperature to 900 ℃, preserving the heat for 2.5h, oxidizing when the nanometer BN is subjected to high-temperature treatment by hot steam, cooling, removing cutin on the edge, filtering and washing by-products possibly generated in the high-temperature oxidation process by deionized water, repeating the filtering and washing for 3 times, and finally drying to obtain the hydroxylated nanometer BN powder HO-BNNSs.
(2) Deionized water is used as a dispersion medium, 5% of HO-BNNSs dispersion liquid is prepared, magnetic stirring is carried out for 0.5h, 7.5% of TF-620 hydrophilic finishing agent and 5% of HY311W are added while stirring, standing observation is carried out, the pH value of the dispersion liquid is adjusted by ammonia water to be within the range of 6.5-7.5, then ultrasonic dispersion is carried out for 1h, and finally uniform and stable dispersion finishing liquid is prepared.
(3) And (2) putting the polyester-polyurethane fabric into 15g/L NaOH solution, placing the polyester-polyurethane fabric into an oscillating water bath kettle at the temperature of 80 ℃ for oscillation treatment for 30min, then taking out the polyester-polyurethane fabric, washing the polyester-polyurethane fabric by using deionized water, repeatedly washing the polyester-polyurethane fabric for 3 times, and drying the polyester-polyurethane fabric in an oven at the temperature of 105 ℃ to finally obtain the alkali modified polyester-polyurethane fabric.
(4) And (3) padding the alkali modified polyester-ammonia fabric obtained in the step (3) into the dispersion finishing liquid obtained in the step (2), performing secondary padding and secondary rolling (the liquid carrying rate is 90%), then pre-drying (105 ℃, 2min), and baking (160 ℃, 1min) to obtain the moisture-absorbing cool polyester-ammonia sports fabric.
Example 4
(1) And (2) placing the nanometer BN in a muffle furnace, raising the temperature to 900 ℃, preserving the heat for 2.5h, oxidizing when the nanometer BN is subjected to high-temperature treatment by hot steam, cooling, removing cutin on the edge, filtering and washing by-products possibly generated in the high-temperature oxidation process by deionized water, repeating the filtering and washing for 3 times, and finally drying to obtain the hydroxylated nanometer BN powder HO-BNNSs.
(2) Deionized water is used as a dispersion medium, 6% HO-BNNSs dispersion liquid is prepared, magnetic stirring is carried out for 0.5h, 12% TF-620 hydrophilic finishing agent and 6% HY311W are added while stirring, standing observation is carried out, the pH value of the dispersion liquid is adjusted by ammonia water to be within the range of 6.5-7.5, then ultrasonic dispersion is carried out for 1h, and finally uniform and stable dispersion finishing liquid is prepared.
(3) And (2) putting the polyester-polyurethane fabric into 15g/L NaOH solution, placing the polyester-polyurethane fabric into an oscillating water bath kettle at the temperature of 80 ℃ for oscillation treatment for 30min, then taking out the polyester-polyurethane fabric, washing the polyester-polyurethane fabric by using deionized water, repeatedly washing the polyester-polyurethane fabric for 3 times, and drying the polyester-polyurethane fabric in an oven at the temperature of 105 ℃ to finally obtain the alkali modified polyester-polyurethane fabric.
(4) And (3) padding the alkali modified polyester-ammonia fabric obtained in the step (3) into the dispersion finishing liquid obtained in the step (2), performing secondary padding and secondary rolling (the liquid carrying rate is 90%), then pre-drying (105 ℃, 2min), and baking (160 ℃, 1min) to obtain the moisture-absorbing cool polyester-ammonia sports fabric.
Example 5
The moisture absorption and cooling performance tests of the moisture absorption and cooling polyester/polyurethane sportswear fabrics prepared in the examples 1-4 of the invention are shown in the table 1, and the results show that the functional fabrics obtained in the examples 1-4 have high wicking degree>10cm, the water-dripping diffusion time<1s, reaching the standard of moisture absorption and sweat releasing textile (GB/T21655.1); while its maximum transient heat flow QmaxAre all>0.15J/(cm2S) to achieve the cool textile standard (GB/T35263-2017). In conclusion, the textile fabric has better moisture absorption and cooling performances.
Table 1 results of performance tests on fabrics obtained in examples 1 to 4
Comparative example 1
The invention is selected from Chinese patent (201810078502.4), and provides a graphene dual-function knitted fabric, firstly different fibers are required to be modified, melt-spun and the like, then various fibers are set to be spun into yarns with different blending ratios, then different types of functional fabrics are woven by changing the texture structure, and finally the good heat-conducting property of the fabrics is represented in a mode of testing the thermal resistance of the fabrics, but the maximum transient heat flow value of the fabrics is not directly measured.
Comparative example 2
The comparative example is selected from research and product development of multicomponent functional fiber blended clothing fabric in literature, provides a plurality of cool fabrics woven by natural fibers and jade modified fibers, and is woven into functional fabrics by changing the blending ratio of different fibers, and the maximum transient heat flow Q finally measured by the fabrics woven in the literaturemaxAre all<0.156J/(cm2S), compared with the prior art, the invention has the advantages of low production and processing cost, no special requirements on weaving and dyeing processes, simple processing process and more contribution to the industrial development of the moisture-absorbing cool fabric.
Claims (10)
1. An after-finishing process of moisture-absorbing cool sports fabric comprises the following steps:
(1) oxidizing nanometer BN under hot steam, cooling, filtering, washing and drying to obtain hydroxylated nanometer BN powder HO-BNNSs;
(2) dissolving HO-BNNSs prepared in the step (1) in deionized water, magnetically stirring, adding a hydrophilic finishing agent and a titanate coupling agent, standing, adjusting the pH value to 6.5-7.5, and performing ultrasonic dispersion to obtain a dispersion finishing liquid; wherein the mass fraction ratio of HO-BNNSs, the hydrophilic finishing agent and the titanate coupling agent is 2-6 percent to 1-12 percent to 1-6 percent, and the hydrophilic finishing agent is a hydrophilic agent with a polyester-polyether block copolymer structure;
(3) placing the polyester-ammonia fabric in alkali liquor for vibration treatment, taking out the fabric, washing and drying the fabric to obtain an alkali modified polyester-ammonia fabric;
(4) and (3) padding the alkali modified polyester-ammonia fabric prepared in the step (3) into the dispersion finishing liquid prepared in the step (2), performing two-dipping and two-rolling, pre-drying and baking to obtain the moisture-absorbing cool polyester-ammonia sportswear fabric.
2. The process according to claim 1, characterized in that: the process conditions of the oxidation under the hot steam in the step (1) are as follows: raising the temperature to 850-1000 ℃ in a muffle furnace, and preserving the temperature for 2-3 h; the process conditions of filtering and washing are as follows: and repeatedly filtering and washing the mixture for 3-5 times by using deionized water.
3. The process according to claim 1, characterized in that: the hydrophilic finishing agent in the step (2) is TF-620; the titanate coupling agent is HY 311W.
4. The process according to claim 1, characterized in that: the magnetic stirring time in the step (2) is 0.5-1 h; the time of ultrasonic dispersion is 1-2 h.
5. The process according to claim 1, characterized in that: and (3) adjusting the pH value by adopting ammonia water in the step (2).
6. The process according to claim 1, characterized in that: and (3) the alkali liquor in the step (3) is 15-20 g/L NaOH solution.
7. The process according to claim 1, characterized in that: the oscillation treatment in the step (3) comprises the following process conditions: and (3) placing the mixture in an oscillating water bath kettle at the temperature of 75-90 ℃ for oscillation treatment for 20-40 min.
8. The process according to claim 1, characterized in that: the washing process conditions in the step (3) are as follows: repeatedly washing with deionized water for 3-5 times; the drying temperature is 100-110 ℃.
9. The process according to claim 1, characterized in that: the liquid carrying rate of the second soaking and the second rolling in the step (4) is 90-110%.
10. The process according to claim 1, characterized in that: the process parameters of the pre-baking in the step (4) are as follows: the pre-drying temperature is 100-110 ℃, and the pre-drying time is 2-3 min; the baking process parameters are as follows: the baking temperature is 150-170 ℃, and the baking time is 1-2 min.
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| CN112761000A (en) * | 2020-12-29 | 2021-05-07 | 江苏锐诚明创装备制造有限公司 | Processing method of high-strength and anti-static polyester fabric for jacket |
| CN113005766B (en) * | 2021-03-29 | 2022-02-01 | 江南大学 | Processing method of fiber product with cool feeling |
| CN113930963B (en) * | 2021-10-29 | 2024-02-13 | 达利(中国)有限公司 | Preparation method of real silk warm fabric finished by nano coffee carbon material |
| CN114960193A (en) * | 2022-04-24 | 2022-08-30 | 雅戈尔服装制造有限公司 | Processing method of natural antibacterial hemp ultraviolet-proof cool fabric |
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