CN104878592A - Arranging method of single-faced super-hydrophobic cotton fabrics - Google Patents
Arranging method of single-faced super-hydrophobic cotton fabrics Download PDFInfo
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- CN104878592A CN104878592A CN201510322840.4A CN201510322840A CN104878592A CN 104878592 A CN104878592 A CN 104878592A CN 201510322840 A CN201510322840 A CN 201510322840A CN 104878592 A CN104878592 A CN 104878592A
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Abstract
The invention discloses an arranging method of single-faced super-hydrophobic cotton fabrics. The method comprises the steps of preparing a silica sol foam finishing agent and an aqueous fluorine-containing polyacrylic acid water-repellency foam finishing agent, sequentially and uniformly scrapping and coating the silica sol foam finishing agent and the aqueous fluorine-containing polyacrylic acid water-repellency foam finishing agent on the surfaces of the fabrics, keeping a low liquid carrying ratio, controlling the finishing agent on the single faces of the cotton fabrics only without permeation, and then carrying out gas steam-roasting-washing, and forming coatings on one surfaces of the cotton fabrics so that the single faces of the fabrics are roughened, the surface free energy of the cotton fabrics can be greatly reduced and the single face super-hydrophobicity can be endowed to the cotton fabrics. The arranging method of the single-faced super-hydrophobic cotton fabrics is practical, environmental-friendly and efficient because the cotton fabrics still have better hydrophobic effects after washing for multiple times; furthermore, the arranging method is convenient to operate, low in water consumption, simple in process and low in energy consumption; in addition, the liquid carrying ratio of the cotton fabrics is very low so that the arranging method is applicable to the single face water-repellency of uneven thick cotton fabrics, and the single-faced super-hydrophobic cotton fabrics can be prepared to meet the specific requirements on functionality and comfort by people, therefore the arranging method has a good application prospect.
Description
Technical field
The invention belongs to the field of finishing functions of textile fabrics, particularly a kind of preparation method of one side super-hydrophobic cotton fabric.
Background technology
COTTON FABRIC has good hygroscopicity and gas permeability, comfortable and easy to wear, and feel is more soft, and gloss is soft, simple, be rich in nature aesthetic feeling; Its warmth retention property and dyeability are also good.Therefore, the favor of consumers in general is subject to.But COTTON FABRIC moisture absorption and hydrophilicity good, be very easily spontaneously wet out by water, also easily stain by oil, to its dress and use make troubles.Therefore be necessary to carry out hydrophobic finishing to COTTON FABRIC.Recently, adopt the inorganic nanoparticles such as silica, titanium dioxide and zinc oxide to construct coarse micro-structural, more successfully give various base material hydrophobic function by chemical surface modification.Its cardinal principle utilizes " lotus leaf effect " to prepare nano particle by methods such as sol-gel process, chemical vapour deposition technique, phase separation methods to be organized in fabric face, obtains hydrophobic textile product.But hydrophobic textile product prepared by most of business or laboratory are typical two-sided hydrophobic, it has a strong impact on the feel of COTTON FABRIC, comfortableness and security, and some method is loaded down with trivial details, condition is harsh, durability is not high.Therefore, the fabric with the positive and negative surface hydrophilicity opposite sex (one side has hydrophobicity, and another side retains intrinsic hydrophily) is subject to the extensive concern of researchers.Hydrophobic surface can be refused water, refuses oil, automatically cleaning; And hydrophilic surface retains the proper property of its excellence, as soft, ventilative, comfortable and low irritant etc.
At present, can obtain by the method for physical treatment and chemical finishing the textiles that two surface hydrophilicities have asymmetry.The method of physics by the different types of yarn in control weaving process and rule, can realize sandwich construction, the structure difference (moisture absorption is different with hydrophily) of every layer of yarn comprised or fiber, obtains the material with the two surface hydrophilicity opposite sex.But the method needs special construction yarn, and weaving process is complicated.Another kind is the mode by digit printing, will have hydrophobic finishing agent single face spraying at fabric face, but inefficiency, be difficult to industrialization.The method of chemical finishing be generally by finishing agent by rolling-roast-technique of drying carries out, equipment is simple, easy to operate.But because COTTON FABRIC has porous, out-of-flatness structure and high-hygroscopicity, very difficult guarantee is that one side super-hydrophobicity arranges.Therefore, to have hydrophobic, hydrophilic two-sided different in nature COTTON FABRIC extremely urgent in exploitation.Foam finishing technology partial air replaces liquid phase water, owing to having very low liquid carrying rate, is more applicable to the textiles of single-face finishing loose structure, and few with water, and energy consumption is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of one side super-hydrophobic cotton fabric.This method for sorting is easy to operate, and technique is simple, and operability is good; And the low feeding of the method, high energy-conservation, be applicable to the one side water repellent finish of irregular demittons, prepare one side super-hydrophobic cotton fabric, meet people to particular/special requirement that is functional and comfortableness.Hydrophobic surface can be refused water, refuses oil, automatically cleaning; And hydrophilic surface retains the proper property of its excellence, as softness, moisture absorption, comfortable and low irritant etc.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A method for sorting for one side super-hydrophobic cotton fabric, step is as follows:
(1) COTTON FABRIC is carried out pre-conditioned process, control regain 8 ± 0.5%;
(2) by 3wt %, pH be 3.5 ~ 4.5 Ludox, Gemini surface active and stabilizing agent mix, and high-speed stirred prepares foam Ludox finishing agent;
(3) the watersoluble fluorine-carbon modified polyacrylic acid of 5-10 wt %, Gemini surface active and stabilizing agent are mixed, and high-speed stirred prepares the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of foam;
(4) the COTTON FABRIC one side of the even blade coating of foam Ludox finishing agent after step (1) pre-conditioned process step (2) prepared, then 100 DEG C of gas steam 5min, and rinse is to neutral, and oven dry, damping, control regain 8 ± 0.5%;
(5) the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of same COTTON FABRIC one side even blade coating foam in step (4) again, 100 DEG C of gas steam 5min, bake, wash, obtain one side super-hydrophobic cotton fabric.
Described Gemini surface active is alkyl diphenyl ether disulphonic acid sodium or contains ester group double joint quaternary surfactant.
Described stabilizing agent is polyacrylamide or Tween 80.
In described step (2), the consumption of Ludox is 5g/L, the consumption of Gemini surface active is 2-4g/L, the consumption of stabilizing agent is 1 g/L, wherein the preparation method of Ludox is as follows: by ethyl orthosilicate, deionized water and ethanol by volume 1:2:2 mechanical agitation be mixed to solution clarification, adjust pH to 3.5 ~ 4.5 with glacial acetic acid, after dilute with water, obtain the Ludox finishing agent of stable dispersion.
In described step (3), watersoluble fluorine-carbon modified polyacrylic consumption is 5-8g/L, the consumption of Gemini surface active is 2-4g/L, the consumption of stabilizing agent is 1 g/L, wherein watersoluble fluorine-carbon modified polyacrylic acid preparation method is as follows: added by fluorine-contaninig polyacrylate in dilute ammonia solution (volume ratio of fluorine-contaninig polyacrylate and dilute ammonia solution is 1:30 ~ 70) and obtain mixed liquor, add oxidant (potassium sulfate, at least one in hydrogen peroxide or potassium permanganate) be stirred to solution clarification, then bleeding agent (alkali-resistant penetrant AEP or alkali-resistant penetrant OEP-70) is dripped, obtain fluorine-containing polyacrylic acid finishing agent, the concentration of oxidant is 8 ~ 12g/L, the concentration of bleeding agent is 0.8 ~ 1g/L.
The rotating speed that described step (2) and step (3) high speed stir is 3000-5000 rev/min.
In described step (4), bake out temperature is 145-155 DEG C, and drying time is 3 ~ 5min.
In described step (5), baking temperature is 160-170 DEG C, and the time of baking is 3 ~ 5min.
The super-hydrophobic arrangement schematic diagram of COTTON FABRIC one side as shown in Figure 2.Cotton basic composition material is cellulose, and its molecule is by the linear macromolecule of many glucose molecule dehydrating condensations.Hydroxyl in cellulosic molecule is the basis of hydrophobic finishing.Silica hydrosol is easily prepared, and has good water-soluble, can prepare foam finishing agent, utilize foam technology to be coated on fabric face by Gemini surface active, give the surface of fabric harsh.Water bubble finishing agent refused by watersoluble fluorine-carbon modified polyacrylic acid, by same method blade coating in fabric face, can form the hydrophobic layer that one deck forms with fluoro-containing group, give the hydrophobicity that fabric is good.
Beneficial effect of the present invention: (1) the present invention utilizes foam finishing technology to prepare the agent of Ludox foam finishing and water bubble finishing agent refused by aqueous fluorine-containing polyacrylic acid, and by they successively evenly blade coating in surface of cotton fabric, keep low liquid carrying rate, control finishing agent only at the one side of COTTON FABRIC, do not permeate, then gas steams-bakes-washing, coating is formed in COTTON FABRIC one side, make fabric at its one side roughening, and significantly reduce surface of cotton fabric free energy, providing cotton fabric one side super-hydrophobicity.Through repeatedly washing, still having good hydrophobic effect, is a kind of practicality, environmental protection, the efficiently super-hydrophobic method for sorting of COTTON FABRIC one side; (2) the present invention is easy to operate, few with water, and technique is simple, and energy consumption is low; (3) the band liquid measure of COTTON FABRIC of the present invention is very low, is applicable to the one side water repellent finish of irregular demittons, prepares the COTTON FABRIC that one side is super-hydrophobic, meets people to particular/special requirement that is functional and comfortableness, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is foam squeegee apparatus structural representation of the present invention.
Fig. 2 is the super-hydrophobic arrangement schematic diagram of COTTON FABRIC one side of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
The method for sorting of the one side super-hydrophobic cotton fabric of the present embodiment, step is as follows:
(1) COTTON FABRIC is carried out pre-conditioned process, control regain 8 ± 0.5%;
(2) by the Ludox of 3wt %pH=4.5,2g/L alkyl diphenyl ether disulphonic acid sodium, 1g/L polyacrylamide amine stabiliser, running water Homogeneous phase mixing, and foam Ludox finishing agent is prepared in 3000 turns/min high-speed stirred;
(3) watersoluble fluorine-carbon modified for 5wt % polyacrylic acid, 2g/L containing ester group double joint quaternary surfactant, 1g/L polyacrylamide amine stabiliser, running water Homogeneous phase mixing, and are prepared watersoluble fluorine-carbon modified polyacrylic acid finishing agent in 3000 turns/min high-speed stirred;
(4) COTTON FABRIC 6 is fixed on metal roller gathering-device 5, container 1 is injected in prepared Ludox foam finishing agent, take out by container upper end piston rod the extrusion capacity (as shown in Figure 1) that pressure piston 2 controls foam 3; The amount of scraper 4 control surface foam finishing agent, by regulating pressure, guarantees that surfactant foam is uniformly dispersed, first apply continuous print Ludox finishing agent, 100 DEG C of gas steam 5min, and then rinse 3 times is to neutral, 150 DEG C bake 3min, damping, control regain 8 ± 0.5%;
(5) according to the method for step (4), then in the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of same surface uniform blade coating, 100 DEG C of gas steam 5min, and 160 DEG C bake 3min, washing, obtain one side super-hydrophobic cotton fabric.
Embodiment 2
The method for sorting of the one side super-hydrophobic cotton fabric of the present embodiment, step is as follows:
(1) COTTON FABRIC is carried out pre-conditioned process, control regain 8 ± 0.5%;
(2) by the Ludox of 3wt %pH=3.5,3g/L Gemini surface active, 1g/L polyacrylamide amine stabiliser, running water Homogeneous phase mixing, and foam Ludox finishing agent is prepared in 4000 turns/min high-speed stirred;
(3) the watersoluble fluorine-carbon modified polyacrylic acid of 8 wt %, 3g/L Gemini surface active, 1g/L are gathered Tween 80 stabilizing agent, running water Homogeneous phase mixing, and prepare watersoluble fluorine-carbon modified polyacrylic acid finishing agent in 4000 turns/min high-speed stirred;
(4) by the even blade coating of prepared foam finishing agent in pre-conditioned COTTON FABRIC one side, then 100 DEG C of gas steam 5min, and then rinse 3 times is to neutral, dry, damping, control regain 8 ± 0.5%;
(5) again in the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of same surface uniform blade coating, 100 DEG C of gas steam 5min, and 170 DEG C bake 3min, washing, obtain one side super-hydrophobic cotton fabric.
Embodiment 3
The method for sorting of the one side super-hydrophobic cotton fabric of the present embodiment, step is as follows:
(1) COTTON FABRIC is carried out pre-conditioned process, control regain 8 ± 0.5%;
(2) by the Ludox of 3wt %pH=4,4g/L Gemini surface active, 1g/L stabilizing agent, running water Homogeneous phase mixing, and foam Ludox finishing agent is prepared in 5000 turns/min high-speed stirred;
(3) by the watersoluble fluorine-carbon modified polyacrylic acid of 10 wt %, 4g/L Gemini surface active, 1g/L stabilizing agent, running water Homogeneous phase mixing, and watersoluble fluorine-carbon modified polyacrylic acid finishing agent is prepared in 5000 turns/min high-speed stirred;
(4) by the even blade coating of prepared foam finishing agent in pre-conditioned COTTON FABRIC one side, then 100 DEG C of gas steam 5min, and then rinse 3 times is to neutral, dry, damping, control regain 8 ± 0.5%;
(5) again in the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of same surface uniform blade coating, 100 DEG C of gas steam 5min, and 180 DEG C bake 3min, washing, obtain one side super-hydrophobic cotton fabric.
Embodiment 1 ~ 3 arranges the test result of the one side super-hydrophobic cotton fabric contact angle obtained as following table:
As can be seen from the table, in embodiment 1 ~ 3 in unfinished surface of cotton fabric contact angle test, disappear very soon after drop drips up, contact angle is close to 0 °.Through the one side of the dual arrangement of single foam, surface contact angle can reach more than 144 °, even more than 150 °, and still has the surface contact angle close to 135 ° after washing, has good hydrophobicity and fastness.The requirement of people for fabric comfortableness and WATER REPELLENCY can be met.
Claims (8)
1. a method for sorting for one side super-hydrophobic cotton fabric, is characterized in that step is as follows:
(1) COTTON FABRIC is carried out pre-conditioned process, control regain 8 ± 0.5%;
(2) by 3wt %, pH be 3.5 ~ 4.5 Ludox, Gemini surface active and stabilizing agent mix, and high-speed stirred prepares foam Ludox finishing agent;
(3) the watersoluble fluorine-carbon modified polyacrylic acid of 5-10 wt %, Gemini surface active and stabilizing agent are mixed, and high-speed stirred prepares the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of foam;
(4) the COTTON FABRIC one side of the even blade coating of foam Ludox finishing agent after step (1) pre-conditioned process step (2) prepared, then 100 DEG C of gas steam 5min, and rinse is to neutral, and oven dry, damping, control regain 8 ± 0.5%;
(5) the watersoluble fluorine-carbon modified polyacrylic acid finishing agent of same COTTON FABRIC one side even blade coating foam in step (4) again, 100 DEG C of gas steam 5min, bake, wash, obtain one side super-hydrophobic cotton fabric.
2. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: described Gemini surface active is alkyl diphenyl ether disulphonic acid sodium or contains ester group double joint quaternary surfactant.
3. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: described stabilizing agent is polyacrylamide or Tween 80.
4. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: in described step (2), the consumption of Ludox is 5g/L, and the consumption of Gemini surface active is 2-4g/L, and the consumption of stabilizing agent is 1 g/L.
5. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, it is characterized in that: in described step (3), watersoluble fluorine-carbon modified polyacrylic consumption is 5-8g/L, the consumption of Gemini surface active is 2-4g/L, and the consumption of stabilizing agent is 1 g/L.
6. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: the rotating speed that described step (2) and step (3) high speed stir is 3000-5000 rev/min.
7. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: in described step (4), bake out temperature is 145-155 DEG C, and drying time is 3 ~ 5min.
8. the method for sorting of one side super-hydrophobic cotton fabric according to claim 1, is characterized in that: in described step (5), baking temperature is 160-170 DEG C, and the time of baking is 3 ~ 5min.
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| CN106811984A (en) * | 2017-01-05 | 2017-06-09 | 上海华峰超纤材料股份有限公司 | Soft anti-graffiti superfine fibre suede and preparation method thereof |
| CN107805947A (en) * | 2017-10-23 | 2018-03-16 | 河南工程学院 | The foam finishing agent of hygienic material surface layer and method for sorting |
| CN107805948A (en) * | 2017-10-23 | 2018-03-16 | 河南工程学院 | The foam finishing agent of SMS non-woven cloths and method for sorting |
| WO2019078078A1 (en) * | 2017-10-17 | 2019-04-25 | Ｔｂカワシマ株式会社 | Soil-resistant fiber fabric and method for producing same |
| CN110093787A (en) * | 2019-05-18 | 2019-08-06 | 浙江弘达环保科技有限公司 | A kind of production technology of waterproof cloth |
| CN112211003A (en) * | 2020-11-09 | 2021-01-12 | 福州大学 | Multifunctional super-hydrophobic surface preparation method based on foam finishing technology |
| CN112709077A (en) * | 2021-02-02 | 2021-04-27 | 丹东优耐特纺织品有限公司 | Finishing method of durable flame-retardant, moisture-permeable, single-absorption and single-prevention fabric |
| CN113445320A (en) * | 2021-06-23 | 2021-09-28 | 鲁丰织染有限公司 | Preparation method of environment-friendly hydrophobic polyester fabric |
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| CN105926276A (en) * | 2016-06-06 | 2016-09-07 | 莱美科技股份有限公司 | Finishing method of hydrophobic and oleophobic fabric based on dacron or polyester cotton |
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| CN107805948A (en) * | 2017-10-23 | 2018-03-16 | 河南工程学院 | The foam finishing agent of SMS non-woven cloths and method for sorting |
| CN107805948B (en) * | 2017-10-23 | 2020-02-07 | 河南工程学院 | Foam finishing agent and finishing method of SMS (short message service) non-woven fabric |
| CN107805947A (en) * | 2017-10-23 | 2018-03-16 | 河南工程学院 | The foam finishing agent of hygienic material surface layer and method for sorting |
| CN110093787A (en) * | 2019-05-18 | 2019-08-06 | 浙江弘达环保科技有限公司 | A kind of production technology of waterproof cloth |
| CN110093787B (en) * | 2019-05-18 | 2021-09-28 | 浙江弘达环保科技有限公司 | Production process of waterproof cloth |
| CN112211003A (en) * | 2020-11-09 | 2021-01-12 | 福州大学 | Multifunctional super-hydrophobic surface preparation method based on foam finishing technology |
| CN112211003B (en) * | 2020-11-09 | 2021-11-26 | 福州大学 | Multifunctional super-hydrophobic surface preparation method based on foam finishing technology |
| CN112709077A (en) * | 2021-02-02 | 2021-04-27 | 丹东优耐特纺织品有限公司 | Finishing method of durable flame-retardant, moisture-permeable, single-absorption and single-prevention fabric |
| CN112709077B (en) * | 2021-02-02 | 2022-05-13 | 丹东优耐特纺织品有限公司 | Finishing method of durable flame-retardant, moisture-permeable, single-absorption and single-prevention fabric |
| CN113445320A (en) * | 2021-06-23 | 2021-09-28 | 鲁丰织染有限公司 | Preparation method of environment-friendly hydrophobic polyester fabric |
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