CN109576998B - Preparation method and finishing method of finishing agent for endowing fabric with multiple functions - Google Patents
Preparation method and finishing method of finishing agent for endowing fabric with multiple functions Download PDFInfo
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- CN109576998B CN109576998B CN201811495565.6A CN201811495565A CN109576998B CN 109576998 B CN109576998 B CN 109576998B CN 201811495565 A CN201811495565 A CN 201811495565A CN 109576998 B CN109576998 B CN 109576998B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/328—Amines the amino group being bound to an acyclic or cycloaliphatic carbon atom
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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Abstract
The invention discloses a preparation method and a finishing method of a finishing agent for endowing fabric with multiple functions, which comprises the following steps of adding 1-4 parts by mass of octadecylamine into 50-60 parts by mass of absolute ethyl alcohol, and heating to obtain an ethanol octadecylamine mixed solution; adding 1-4 parts of stearic acid into 50-60 parts of absolute ethyl alcohol, and heating to obtain an ethanol stearic acid mixed solution; adding the ethanol octadecylamine mixed solution into the ethanol stearic acid mixed solution, and performing ultrasonic treatment; adding 2-5 parts of glass resin and 1-2 parts of polyethylene glycol, and carrying out ultrasonic treatment; and adding 3-5 parts of polydimethylsiloxane, and carrying out ultrasonic treatment to obtain the finishing agent. The finishing agent prepared by the invention can endow the fabric with excellent super-hydrophobic, friction-resistant and corrosion-resistant properties, the prepared finishing agent maximally simplifies industrial production conditions, the process is simple and convenient, the flow is short, and the finishing agent is suitable for industrial large-scale production.
Description
Technical Field
The invention belongs to the technical field of finishing agents, and particularly relates to a preparation method and a finishing method of a finishing agent for endowing fabric with multiple functions.
Background
At present, when people develop various protective materials, substances harmful to the environment and human bodies are inevitably adopted sometimes, for example, substances such as fluoride and the like are often used for developing super-hydrophobic materials, the preparation conditions of the method are harsh and are difficult to be suitable for industrial production, and as people's awareness of environmental protection is enhanced, the environmental protection protective materials are favored by people, and the development of the environmental protection protective materials also meets the requirement of times development.
Therefore, the development of a super-hydrophobic multifunctional finishing agent which is green and environment-friendly and is suitable for industrial production and has excellent hydrophobic durability is a problem to be solved at present.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
It is therefore an object of the present invention to overcome the deficiencies of the prior art and to provide a process for the preparation of a finishing agent which imparts multiple functions to a fabric.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions: a method for preparing a finishing agent for endowing fabric with multiple functions is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
adding 1-4 parts by mass of octadecylamine into 50-60 parts by mass of absolute ethanol, and heating to obtain an ethanol octadecylamine mixed solution;
adding 1-4 parts of stearic acid into 50-60 parts of absolute ethyl alcohol, and heating to obtain an ethanol stearic acid mixed solution;
adding the ethanol octadecylamine mixed solution into the ethanol stearic acid mixed solution, and performing ultrasonic treatment;
adding 2-5 parts of glass resin and 1-2 parts of polyethylene glycol, and carrying out ultrasonic treatment;
and adding 3-5 parts of polydimethylsiloxane, and carrying out ultrasonic treatment to obtain the finishing agent.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: the method comprises the following steps of adding 1-4 parts by mass of octadecylamine into 50-60 parts by mass of absolute ethyl alcohol, and heating to obtain an ethanol octadecylamine mixed solution, wherein the heating temperature is 50-60 ℃, and the heating time is 10-20 min.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: adding 1-4 parts of stearic acid into 50-60 parts of absolute ethyl alcohol, and heating to obtain an ethanol-stearic acid mixed solution, wherein the heating temperature is 60-70 ℃, and the heating reaction time is 5-10 min.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: 2 parts of glass resin, 1 part of polyethylene glycol and 5 parts of polydimethylsiloxane.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: and adding the ethanol octadecylamine mixed solution into the ethanol stearic acid mixed solution, and carrying out ultrasonic treatment, wherein the ultrasonic treatment time is 10-20 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHZ.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: and adding 2-5 parts of glass resin and 1-2 parts of polyethylene glycol, and carrying out ultrasonic treatment, wherein the ultrasonic treatment time is 5-10 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHz.
As a preferred embodiment of the method for preparing the finishing agent for imparting multiple functions to fabric according to the present invention, wherein: and 3-5 parts of polydimethylsiloxane is added, and the finishing agent is obtained through ultrasonic treatment, wherein the ultrasonic treatment time is 30-40 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHz.
It is another object of the present invention to provide a finishing method that imparts multiple functions to a fabric.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions: a finishing method of a finishing agent for endowing fabric with multiple functions comprises the steps of soaking the fabric in the ethanol octadecylamine mixed solution for 15min, drying at 60 ℃, soaking the fabric in the finishing agent for 10min, taking out the fabric, and curing in a constant-temperature oven at 60 ℃ for 1 h.
As a preferable embodiment of the finishing method of the finishing agent for imparting versatility to fabric according to the present invention, wherein: the fabric comprises cotton cloth.
The invention has the beneficial effects that:
(1) the finishing agent prepared by the invention adopts the specific combination of octadecylamine, stearic acid and glass resin, the octadecylamine and the stearic acid are respectively dissolved in ethanol, then the full reaction of the octadecylamine and the stearic acid is realized, and an excellent hydrophobic substance (target product) is obtained, and the characteristics of easy film formation, good molding property and good viscosity of the hydrophobic glass resin are utilized to obtain a clear and transparent finishing liquid with good stability, so that the product can be endowed with excellent super-hydrophobic, super-hydrophobic durability, abrasion resistance, corrosion resistance and the like, and the super-hydrophobic performance is still maintained in a friction environment. The prepared finishing agent can endow textiles, leather, paper, glass and the like with excellent characteristics of super-hydrophobicity, abrasion resistance and the like, and has a wide application range.
(2) The hydrophobic glass resin adopted by the finishing agent prepared by the invention can be well cured at normal temperature, and the industrial production conditions are simplified to the maximum extent, so that the production cost investment of enterprises is well reduced, and the raw materials of the finishing agent are octadecylamine, stearic acid, glass resin and the like, so that the finishing agent is easy to obtain, simple and convenient in process, short in flow and suitable for industrial large-scale production.
(3) The finishing liquid prepared by the invention is green and environment-friendly, and meets the current requirements of green economic development.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a graph of the contact angle measured after the surface of a fabric treated with a finish according to example 2 of the present invention.
Fig. 2 is an SEM image of the fabric surface without finish treatment.
FIG. 3 is an SEM image of the surface of a super-hydrophobic fabric after finishing the fabric with the finishing agent of example 2 of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, specific embodiments thereof are described in detail below with reference to examples of the specification.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Firstly, 3g of octadecylamine is put into a beaker, 50g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 10 min.
② 2g of stearic acid is put into another beaker, 50g of absolute ethyl alcohol is gradually dropped into the beaker, and then the beaker is put into a 70 ℃ water bath kettle for 10 min.
And thirdly, gradually adding the solution prepared in the step one into the solution prepared in the step two under the ultrasonic condition, and after ultrasonic treatment is carried out for 10min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), adding 2g of glass resin, then adding 1g of polyethylene glycol, and carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), thus obtaining a clear and transparent solution.
And fourthly, 4g of Polydimethylsiloxane (PDMS) is added into the solution prepared in the third step, and then ultrasonic treatment is carried out for 40min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), so that the finishing agent endowing the fabric with multiple functions is obtained.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And then soaking the cotton cloth after finishing in the solution prepared in the step (iv) for 10min, taking out and placing in an oven at 60 ℃ for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting solidified cotton cloth
Droplet shape analyzerThe average contact angle is up to 166 degrees, and the rolling angle is only 3 degrees.
(3) The breaking strength of the cured cotton cloth is 632N and 321N respectively by a strength tester.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 5 grades after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after the super-hydrophobic fabric is rubbed for 1520 times by a Y (B)571-II type color fastness tribometer
The drop shape analyzer measured that the fabric still had superhydrophobic properties after rubbing (CA 151.6 °).
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 164 °.
Example 2
Firstly, 3g of octadecylamine is put into a beaker, 50g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 10 min.
② 2g of stearic acid is put into another beaker, 50g of absolute ethyl alcohol is gradually dropped into the beaker, and then the beaker is put into a 70 ℃ water bath kettle for 5 min.
And thirdly, under the ultrasonic condition, gradually adding the solution prepared in the step I into the solution prepared in the step II, after ultrasonic treatment is carried out for 15min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), adding 2g of glass resin, adding 1g of polyethylene glycol, and then carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), thus obtaining a clear and transparent solution.
And fourthly, adding 5g of Polydimethylsiloxane (PDMS) into the solution prepared in the third step, and then carrying out ultrasonic treatment for 30min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain the finishing agent endowing the fabric with multiple functions.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And then soaking the cotton cloth after finishing in the solution prepared in the step (iv) for 10min, taking out and placing in an oven at 60 ℃ for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The contact angle was measured by a drop shape analyzer and as shown in fig. 1, it can be seen that the contact angle was 166 °, the average of the contact angles of 5 cotton cloths was as high as 165 °, and the roll angle was only 2 °. Fig. 2 is an SEM image of a fabric surface without a finishing agent treatment, fig. 3 is an SEM image of a superhydrophobic fabric surface after the finishing agent finishes the fabric, and it can be seen from fig. 2 and fig. 3 that the cotton fabric is modified and finished, the finishing agent is attached to the fabric surface, and the hydrophobic property is improved.
(3) And measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to be 635N and 323N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance of the fabric is 5 grades after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after the super-hydrophobic fabric is rubbed for 1520 times by a Y (B)571-II type color fastness tribometer
The drop shape analyzer measured that the fabric still had superhydrophobic properties after rubbing (CA 151.8 °).
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 163 °.
Example 3
Firstly, 3g of octadecylamine is put into a beaker, 60g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 20 min.
② 2g of stearic acid is put into another beaker, 60g of absolute ethyl alcohol is gradually dropped into the beaker, and then the beaker is put into a 70 ℃ water bath kettle for 10 min.
And thirdly, gradually adding the solution prepared in the step one into the solution prepared in the step two under the ultrasonic condition, and after ultrasonic treatment is carried out for 20min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), adding 3g of glass resin, then adding 2g of polyethylene glycol, and carrying out ultrasonic treatment for 10min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), thus obtaining a clear and transparent solution.
Fourthly, 3g of PDMS is added into the solution prepared in the third step, and then ultrasonic treatment is carried out for 30min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHz), so that the finishing agent endowing the fabric with multiple functions is obtained.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And then soaking the cotton cloth after finishing in the solution prepared in the step (iv) for 10min, taking out and placing in an oven at 60 ℃ for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The average contact angle measured by a drop shape analyzer is as high as 162 degrees, and the rolling angle is only 5 degrees.
(3) And measuring the breaking strength of the warp and weft directions of the cotton cloth obtained by curing by using a strength tester to obtain 647N and 346N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 5 grades after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after the super-hydrophobic fabric is rubbed for 1520 times by a Y (B)571-II type color fastness tribometer
The drop shape analyzer measured that the fabric still had superhydrophobic properties after rubbing (CA 151.2 °).
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ and the contact angle was measured to be 161 ℃.
Example 4
Firstly, 3g of octadecylamine is put into a beaker, 50g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 10 min.
② 2g of stearic acid is put into another beaker, 50g of absolute ethyl alcohol is gradually dropped into the beaker, and then the beaker is put into a 70 ℃ water bath kettle for 5 min.
And thirdly, gradually adding the solution prepared in the step one into the solution prepared in the step two under the ultrasonic condition, and after ultrasonic treatment is carried out for 10min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), adding 4g of glass resin, then adding 1g of polyethylene glycol, and carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), thus obtaining a clear and transparent solution.
And fourthly, adding 3g of PDMS into the solution prepared in the third step, and performing ultrasonic treatment for 30min (the ultrasonic power is 80KW and the ultrasonic frequency is 40KHZ) to obtain the multifunctional finishing agent for the fabric.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And then soaking the cotton cloth after finishing in the solution prepared in the step (iv) for 10min, taking out and placing in an oven at 60 ℃ for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The average value of the contact angle measured by a drop shape analyzer is up to 158 degrees, and the rolling angle is only 7 degrees.
(3) And measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to obtain 668N and 362N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 5 grades after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after the super-hydrophobic fabric is rubbed for 1520 times by a Y (B)571-II type color fastness tribometer
The drop shape analyzer measured that the fabric still had superhydrophobic properties after rubbing (CA 150.8 °).
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which a contact angle of 155 ℃ was measured.
Examples 5 to 12 the same procedures as in example 2 were used, and the component ratios and the experimental results are shown in Table 1.
TABLE 1
Remarks 1: the cotton cloth is soaked in an ethanol solution of octadecylamine for 15min, taken out and placed in an oven to be dried at 60 ℃, then is soaked in the solution prepared in the example 2 for 10min, taken out and placed in a constant-temperature oven at 60 ℃ to be cured for 1h, and the corresponding performance of the cotton cloth is measured.
TABLE 2
Remarks 2: the cotton cloth is soaked in an ethanol solution of octadecylamine for 15min, taken out and placed in an oven for drying at 60 ℃, then is soaked in the solution prepared in the example 2 for 10min, taken out and placed in the oven at 60 ℃ for curing for 1h, and the corresponding performance of the cotton cloth is measured.
Comparative example 1
Firstly, 3g of octadecylamine is put into a beaker, 50g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 10 min.
② 2g of stearic acid is put into another beaker, 50g of absolute ethyl alcohol is gradually dropped into the beaker, and then the beaker is put into a 70 ℃ water bath kettle for 5 min.
And thirdly, gradually adding the solution prepared in the step one into the solution prepared in the step two under the ultrasonic condition, adding 1g of polyethylene glycol after ultrasonic treatment is carried out for 15min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ), and then carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain a clear and transparent solution.
And fourthly, adding 5g of Polydimethylsiloxane (PDMS) into the solution prepared in the third step, and performing ultrasonic treatment for 30min (the ultrasonic power is 80KW and the ultrasonic frequency is 40KHZ) to obtain the finishing agent.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And then soaking the cotton cloth after finishing in the solution prepared in the step (iv) for 10min, taking out and placing in an oven for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The drop shape analyzer measures contact angles up to an average of 149 deg. and a roll angle of only 17 deg..
(3) And measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to obtain 637N and 341N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 1 grade after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after rubbing the super-hydrophobic fabric for 100 times by using Y (B)571-II type color fastness rubbing instrument
The Contact Angle (CA) of the fabric after rubbing was 132.4 ° as measured by a droplet shape analyzer.
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 135 °.
Comparative example 2
Firstly, 3g of octadecylamine is put into a beaker, 100g of absolute ethyl alcohol is gradually dripped into the beaker, and then the beaker is placed in a water bath kettle at 60 ℃ for 10 min.
And secondly, gradually adding the solution prepared in the first step into the solution prepared in the second step under the ultrasonic condition, adding 2g of glass resin and 1g of polyethylene glycol after ultrasonic treatment is carried out for 15min (the ultrasonic power is 80KW and the ultrasonic frequency is 40KHZ), and then carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW and the ultrasonic frequency is 40KHZ) to obtain a clear and transparent solution.
And thirdly, adding 5g of Polydimethylsiloxane (PDMS) into the solution prepared in the third step, and then carrying out ultrasonic treatment for 30min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain the finishing agent endowing the fabric with multiple functions.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And soaking the finished cotton cloth in the solution prepared in the step (c) for 10min, taking out the cotton cloth and placing the cotton cloth in an oven for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The average contact angle measured by a drop shape analyzer was as high as 146 °, and the roll angle was only 21 °.
(3) And measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to obtain 643N and 348N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 2 grades after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after rubbing the super-hydrophobic fabric for 100 times by using Y (B)571-II type color fastness rubbing instrument
The Contact Angle (CA) of the fabric after rubbing was measured to be 130.6 ° by a droplet shape analyzer.
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 131 °.
Comparative example 3
Firstly, 2g of stearic acid is taken in another beaker, 100g of absolute ethyl alcohol is gradually dripped in the beaker, and then the beaker is placed in a 70 ℃ water bath kettle for 5 min.
② under the ultrasonic condition, adding 2g of glass resin, then adding 1g of polyethylene glycol, and then carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain clear and transparent solution.
And thirdly, adding 5g of Polydimethylsiloxane (PDMS) into the solution prepared in the second step, and performing ultrasonic treatment for 30min (the ultrasonic power is 80KW and the ultrasonic frequency is 40KHZ) to obtain the finishing agent.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step I for 15min, taking out the cotton cloth, and drying the cotton cloth in an oven at 60 ℃. And soaking the finished cotton cloth in the solution prepared in the step (c) for 10min, taking out the cotton cloth and placing the cotton cloth in an oven for curing for 1 h. And (3) dripping water drops on the finished cotton cloth, wherein the water drops are spherical, the cotton cloth is slightly inclined, and the water drops can freely roll, so that the cotton cloth shows excellent super-hydrophobic performance.
(2) Collecting the solidified cotton cloth
The average value of the contact angle measured by a drop shape analyzer is up to 144 degrees, and the rolling angle is only 27 degrees.
(3) And (3) measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to respectively 638N and 342N.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 1 grade after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after rubbing the super-hydrophobic fabric for 100 times by using Y (B)571-II type color fastness rubbing instrument
The drop shape analyzer measured the fabric Contact Angle (CA) after rubbing to be 126.4 °.
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 125 °.
Comparative example 4
Adding 5g of polydimethylsiloxane into a beaker under the ultrasonic condition, then adding 100g of absolute ethyl alcohol and 1g of polyethylene glycol, and then carrying out ultrasonic treatment for 5min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain a clear and transparent solution.
And secondly, adding 2g of glass resin into the solution prepared in the step I, and then carrying out ultrasonic treatment for 30min (the ultrasonic power is 80KW, and the ultrasonic frequency is 40KHZ) to obtain the finishing agent.
And (3) testing and results:
(1) soaking cotton cloth in the ethanol solution of octadecylamine prepared in the step two for 15min, taking out the cotton cloth, and placing the cotton cloth in an oven to cure for 1h at the temperature of 60 ℃. Water droplets were dropped onto the above-mentioned finished cotton cloth, and the water droplets slowly wet the cotton cloth.
(2) Collecting the solidified cotton cloth
The average contact angle measured by the drop shape analyzer was as high as 109 °.
(3) And measuring the breaking strength of the warp and weft of the cotton cloth obtained by curing by using a strength tester to obtain 637N and 342N respectively.
(4) The surface moisture resistance of the cotton cloth obtained by the room temperature curing is tested according to the textile standard GB/T4745-1997, and the surface moisture resistance is 1 grade after 5 cycles of washing and drying.
(5) According to GB/T3920-2008 'color fastness to rubbing' of textile color fastness test, after rubbing the super-hydrophobic fabric for 100 times by using Y (B)571-II type color fastness rubbing instrument
The Contact Angle (CA) of the fabric after rubbing was 61.4 ° as measured by a droplet shape analyzer.
(6) The fabric was immersed in a 0.1mol/L NaCl solution for 96h and then dried in a constant temperature oven at 50 ℃ after which the contact angle was measured to be 70.2 °.
According to the invention, octadecylamine and stearic acid are selected as hydrophobic agents, the inventor finds that stearic acid and octadecylamine can be combined together through an ionic bond acting force to form a long-chain type hydrophobic substance on the surface of the fabric, and also finds that octadecylamine can obviously reduce the surface energy of the surface of the fabric, and octadecylamine can be self-aggregated to form a lamellar structure, so that a rough structure is formed on the surface of the fabric, and the requirement of the superhydrophobic property of the surface of the fabric can be met. The inventor prefers 3 parts of octadecylamine, 2 parts of stearic acid and the finishing agent has the best performance of super hydrophobicity, friction resistance and corrosion resistance.
According to the invention, the glass resin and the polydimethylsiloxane can be used as an adhesive to firmly fix substances such as octadecylamine on the surface of a base material such as a fabric, and the glass resin and the polydimethylsiloxane can be used as a hydrophobic agent to reduce the surface energy of the surface of the base material such as the fabric. The inventor finds that the glass resin and the polydimethylsiloxane have a synergistic effect, and the super-hydrophobic, friction-resistant and corrosion-resistant performances of the fabric can be greatly improved by adding the glass resin and the polydimethylsiloxane into a mixed solution of Octadecylamine (ODA) and Stearic Acid (SA), wherein the addition amount of the glass resin in the finishing agent is preferably 2 parts, and the addition amount of the polydimethylsiloxane in the finishing agent is preferably 5 parts.
In addition, the glass resin has the advantage of being cured in water vapor (experiments prove that the glass resin can be cured into a film after being placed in the air for a period of time), a layer of hydrophobic film can be formed on the surface of the fabric, the super-hydrophobicity of the surface of the fabric is obviously enhanced, and meanwhile, the hydrophobic film endows the fabric with friction resistance and corrosion resistance and shows excellent stability.
The polyethylene glycol is used as a dispersing agent, and the polyethylene glycol and the ethanol have good compatibility, so that the invention can obtain uniformly dispersed emulsion.
According to the invention, on the basis of preparing the super-hydrophobic, friction-resistant and corrosion-resistant finishing agent, the fabric is soaked in the ethanol octadecylamine mixed solution for 15min, dried at 60 ℃, then soaked in the finishing agent for 10min, taken out and placed in a constant-temperature oven at 60 ℃ for curing for 1 h.
According to the invention, the raw materials are mixed in an ultrasonic mode in the process of preparing the finishing agent, and the inventor finds that compared with mechanical stirring, the stability of the finishing liquid is better improved by an ultrasonic mixing mode, the prepared finishing agent is better in super-hydrophobic property, friction resistance and corrosion resistance, and the octadecylamine, stearic acid, polydimethylsiloxane and glycol in the finishing liquid are better and uniform to mix probably due to the cavitation effect of ultrasonic, so that the performance of the finishing agent is improved. The inventor also finds that through ultrasonic treatment, compared with mechanical stirring, the emulsion with more stable performance can be obtained, the treatment time can be effectively shortened, the production efficiency is improved, and the method is beneficial to industrial production.
According to the invention, ethanol is used as a solvent, hydrophobic glass resin is used as an adhesive, Octadecylamine (ODA), Stearic Acid (SA) and Polydimethylsiloxane (PDMS) are used as additives, and in order to improve the stability of the finishing liquid, a dispersant polyethylene glycol is added to obtain the finishing liquid with good stability, clearness and transparency, so that the fabric is endowed with excellent super-hydrophobic, friction-resistant and corrosion-resistant properties, and the super-hydrophobic property is still maintained in a high-temperature or friction environment. The hydrophobic glass resin adopted by the finishing agent prepared by the invention can be well cured at normal temperature, and the industrial production conditions are simplified to the maximum extent, so that the production cost investment of enterprises is well reduced, and the raw materials of the finishing agent are octadecylamine, stearic acid, glass resin and the like, are easy to obtain, have simple and convenient process and short flow, and are suitable for industrial large-scale production. The finishing liquid prepared by the invention is green and environment-friendly, and meets the current requirements of green economic development.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A method for preparing a finishing agent for endowing fabric with multiple functions is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
adding 1-4 parts by mass of octadecylamine into 50-60 parts by mass of absolute ethanol, and heating to obtain an ethanol octadecylamine mixed solution, wherein the heating temperature is 50-60 ℃, and the heating time is 10-20 min;
adding 1-4 parts of stearic acid into 50-60 parts of absolute ethyl alcohol, and heating to obtain an ethanol stearic acid mixed solution, wherein the heating temperature is 60-70 ℃, and the heating time is 5-10 min;
adding the ethanol octadecylamine mixed solution into the ethanol stearic acid mixed solution, and carrying out ultrasonic treatment, wherein the ultrasonic treatment time is 10-20 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHz;
adding 2-5 parts of glass resin and 1-2 parts of polyethylene glycol, and carrying out ultrasonic treatment, wherein the ultrasonic treatment time is 5-10 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHz;
and adding 3-5 parts of polydimethylsiloxane, and carrying out ultrasonic treatment to obtain the finishing agent.
2. A process for the preparation of a finishing agent imparting versatility to fabrics according to claim 1, characterized in that: 2 parts of glass resin, 1 part of polyethylene glycol and 5 parts of polydimethylsiloxane.
3. A process for the preparation of a finishing agent imparting versatility to fabrics according to claim 1, characterized in that: and 3-5 parts of polydimethylsiloxane is added, and the finishing agent is obtained through ultrasonic treatment, wherein the ultrasonic treatment time is 30-40 min, the ultrasonic power is 80KW, and the ultrasonic frequency is 40 KHz.
4. A finishing method of a finishing agent imparting versatility to a fabric according to any of claims 1 to 3, characterized in that: comprises the steps of soaking a fabric in the ethanol octadecylamine mixed solution for 15min, drying at 60 ℃, soaking the fabric in the finishing agent for 10min, taking out the fabric, and curing in a constant-temperature oven at 60 ℃ for 1 h.
5. The finishing process for imparting versatility to a textile fabric as claimed in claim 4, characterized in that: the fabric comprises cotton cloth.
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