CN113622196A - Waterproof and windproof elastic fabric and preparation method thereof - Google Patents

Waterproof and windproof elastic fabric and preparation method thereof Download PDF

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Publication number
CN113622196A
CN113622196A CN202111089985.6A CN202111089985A CN113622196A CN 113622196 A CN113622196 A CN 113622196A CN 202111089985 A CN202111089985 A CN 202111089985A CN 113622196 A CN113622196 A CN 113622196A
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Prior art keywords
fabric
finished product
waterproof
prepared
elastic fabric
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CN202111089985.6A
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Chinese (zh)
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姚玉萍
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Shenzhen Weilan Industrial Co ltd
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Shenzhen Weilan Industrial Co ltd
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Priority to CN202111089985.6A priority Critical patent/CN113622196A/en
Publication of CN113622196A publication Critical patent/CN113622196A/en
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
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    • D03—WEAVING
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    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
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    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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    • D03—WEAVING
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    • D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
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    • 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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  • Engineering & Computer Science (AREA)
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  • Dispersion Chemistry (AREA)
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Abstract

The invention discloses a waterproof and windproof elastic fabric which comprises the following raw materials in parts by weight: 30-40 parts of polyester fiber, 10-15 parts of spandex elastic fiber, 4-6 parts of bamboo charcoal fiber, 5-10 parts of cotton fiber and 50-70 parts of modified emulsion; the invention also discloses a preparation method of the elastic fabric, wherein the elastic fabric blank is woven by various types of fibers through a twill weave method of warp-weft interweaving, and the elastic fabric is prepared through dyeing, soaping and finishing by a modified auxiliary agent.

Description

Waterproof and windproof elastic fabric and preparation method thereof
Technical Field
The invention belongs to the technical field of fabric preparation, and relates to an elastic fabric with waterproof and windproof performances and a preparation method thereof.
Background
With more and more new technologies and new processes applied to the field of garment materials, many garment materials with special functionality have appeared. The development of the functional garment fabric is based on raw materials, the functional garment fabric is endowed with new performance, the fashion requirements of people on nature, comfort, beauty and health are met, common functions comprise moisture absorption, quick drying, ultraviolet resistance, antibiosis, antistatic property, radiation resistance, flame retardance, warmth retention, wind resistance, water resistance and the like, and the functional garment fabric is closely combined with the elasticity and the like of the fabric in wearing comfort when being developed.
Elastic fabrics with waterproof and windproof performances are often made into outdoor jacket, and the waterproof and windproof performances are usually realized by applying a coating with a special structure through physical or chemical means, so that the fabrics are not easy to be wetted by water, and the waterproof coating prepared by organic silicon or organic fluorine is usually used in chemical means and is coated on the surfaces of the fabrics, but the organic silicon and the organic fluorine have many defects, such as high toxicity, difficult degradation, poor hydrophobicity, high cost, single function and the like.
Disclosure of Invention
The invention aims to provide a waterproof and windproof elastic fabric and a preparation method thereof.
The technical problems to be solved by the invention are as follows: the waterproof and windproof performance of the fabric is that a coating with a special structure is applied by physical or chemical means, so that the fabric is not easily wetted by water, and the waterproof coating prepared by organic silicon or organic fluorine is commonly used in chemical means and is coated on the surface of the fabric, but the organic silicon and the organic fluorine have many defects, such as high toxicity, difficult degradation, poor hydrophobicity, high cost and single function.
The purpose of the invention can be realized by the following technical scheme:
the waterproof and windproof elastic fabric comprises the following raw materials in parts by weight:
30-40 parts of polyester fiber, 10-15 parts of spandex elastic fiber, 4-6 parts of bamboo charcoal fiber, 5-10 parts of cotton fiber and 50-70 parts of modified emulsion;
the waterproof and windproof elastic fabric is prepared by the following steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5-7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5-7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40-60min at the temperature of 98-110 ℃, then putting the elastic fabric into the dye vat without the dye, rinsing for 2-3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30-40 minutes at 80-100 ℃, taking out the fabric semi-finished product b, washing the fabric semi-finished product b for 2-3 times by using deionized water, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performances.
Further, the dosage of the soaping agent in the step A3 is 15-20 times of the mass of the fabric semi-finished product a, and the soaping agent is a detergent and a chelating dispersant in a mass ratio of 2-3: 1, the content of a detergent is 3-5g/L, the content of a chelating dispersant is 2-3g/L, the soaping temperature is 85-90 ℃, and the heat preservation time is 30-40 minutes.
Further, the padding method in the step A4 is that the bath ratio is 1:20, the soaking temperature is 25 ℃, the soaking time is 2-3 minutes, and the roller pressure is 0.2 MPa.
Further, the modified emulsion is prepared by the following steps:
step S1, adding tetrabutyl titanate and absolute ethyl alcohol into a beaker, uniformly stirring the tetrabutyl titanate and the absolute ethyl alcohol to serve as precursors, sequentially adding the absolute ethyl alcohol and deionized water into the flask, dropwise adding a hydrochloric acid solution to adjust the pH value to 4-5.5 to prepare a medium solution, dropwise adding the precursors into the medium solution within 1 hour, and stirring the solution at the speed of 230 plus 250rpm and the temperature of 25-30 ℃ for 10-16 hours to prepare a mixed solution a;
step S2, dropwise adding vinyl triethoxy silicon into the mixed solution a prepared in the step S1, stirring at the speed of 250-55 rpm for 20-30 minutes, controlling the temperature to be 45-55 ℃, stirring for 6-7 hours, and then dropwise adding a hydrochloric acid solution to adjust the pH value to 6-7 to prepare a mixed solution b;
and S3, adding amino silicone oil and the mixed solution b prepared in the step S2 into a three-neck flask, adding isopropanol, stirring and mixing uniformly at the speed of 250-270rpm, heating to 80-85 ℃ in a constant-temperature oil bath, adding chloroplatinic acid, reacting for 2-3 hours at constant temperature, and removing the isopropanol by reduced pressure and air suction to obtain the modified emulsion.
Further, the dosage ratio of the tetrabutyl titanate and the absolute ethyl alcohol in the step S1 is 17-20 g: 10-13g of prepared precursor, wherein the dosage ratio of absolute ethyl alcohol to deionized water in the medium solution is 6-7 g: 8-10g, and the mass fraction of the hydrochloric acid solution is 37%.
Further, the mass ratio of the mixed solution a and vinyl triethoxy silicon in the step S2 is 10:1, and the mass fraction of the hydrochloric acid solution is 37%.
Further, the mass ratio of the amino silicone oil to the mixed liquid b in the step S3 is 1:4-5, the amount of the isopropyl alcohol is 7-8 times of the total mass of the amino silicone oil and the mixed liquid b, and the chloroplatinic acid is 1-2% of the total mass of the amino silicone oil and the mixed liquid b.
Further, the preparation method of the elastic fabric with the waterproof and windproof performance comprises the following preparation steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5-7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5-7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40-60min at the temperature of 98-110 ℃, then putting the elastic fabric into the dye vat without the dye, rinsing for 2-3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30-40 minutes at 80-100 ℃, taking out the fabric semi-finished product b, washing the fabric semi-finished product b for 2-3 times by using deionized water, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performances.
The invention has the beneficial effects that: the invention aims to provide a waterproof and windproof elastic fabric and a preparation method thereof, wherein a warp-weft interwoven twill weave method is used for weaving an elastic fabric blank through various types of fibers, and the elastic fabric is prepared through dyeing, soaping and modification finishing, so that the elastic fabric has excellent waterproof and windproof performance;
the modified emulsion of the invention takes tetrabutyl titanate as raw material to prepare titanium dioxide sol by a sol-gel method, hydroxyl on the surface of the titanium dioxide sol reacts with vinyltriethoxysilane, so that vinyl is grafted to the surface of titanium dioxide, not only can the hydroxylation degree of the surface of titanium dioxide nano-particles be reduced, and the agglomeration tendency of the titanium dioxide nano-particles be reduced, but also the surface modification can be carried out on the nano-titanium dioxide by introducing the vinyl, amino silicone oil and the vinyl are subjected to hydrosilylation to prepare organic silicon resin doped with the titanium dioxide, so that the titanium dioxide is wrapped in an organic silicon chain segment, because the surface tension of the organic silicon is low, the surface energy is small, the film forming capability on the surface of the fabric is strong, the fabric can be endowed with good waterproof performance, and meanwhile, soft and smooth handfeel is kept, in addition, the titanium dioxide is used as an inorganic ultraviolet reflector, light can penetrate through the particle surface of the nano-titanium dioxide, the ultraviolet absorption of the medium wave zone is enhanced, so that the ultraviolet-proof function is achieved, the prepared fabric has the characteristics of wind resistance and water resistance, the damage of ultraviolet can be resisted, and the use experience of people is improved.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The waterproof and windproof elastic fabric comprises the following raw materials in parts by weight:
30 parts of polyester fiber, 10 parts of spandex elastic fiber, 4 parts of bamboo charcoal fiber, 5 parts of cotton fiber and 50 parts of modified emulsion;
the waterproof and windproof elastic fabric is prepared by the following steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40min at 98 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 2 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30 minutes at 80 ℃, taking the fabric out, washing the fabric with deionized water for 2 times, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performance.
The amount of the soaping agent in the step A3 is 15 times of the mass of the fabric semi-finished product a, and the soaping agent is a detergent and a chelating dispersant in a mass ratio of 2: 1, the content of a detergent is 3g/L, the content of a chelating dispersant is 2g/L, the soaping temperature is 85 ℃, and the heat preservation time is 30 minutes.
Wherein the padding method in the step A4 is that the bath ratio is 1:20, the soaking temperature is 25 ℃, the soaking time is 2 minutes, and the roller pressure is 0.2 MPa.
Wherein, the modified emulsion is prepared by the following steps:
step S1, adding tetrabutyl titanate and absolute ethyl alcohol into a beaker, uniformly stirring the tetrabutyl titanate and the absolute ethyl alcohol to serve as precursors, sequentially adding the absolute ethyl alcohol and deionized water into the flask, dropwise adding a hydrochloric acid solution to adjust the pH value to 4 to prepare a medium solution, dropwise adding the precursors into the medium solution, completing dropwise adding within 1 hour, and stirring the solution at the speed of 230rpm and the temperature of 25 ℃ for 10 hours to prepare a mixed solution a;
step S2, dropwise adding vinyl triethoxy silicon into the mixed solution a prepared in the step S1, stirring at the speed of 250rpm for 20 minutes, controlling the temperature to be 45 ℃, stirring for 6 hours, and then dropwise adding a hydrochloric acid solution to adjust the pH value to 6 to prepare a mixed solution b;
and S3, adding amino silicone oil and the mixed solution b prepared in the step S2 into a three-neck flask, adding isopropanol, stirring and mixing uniformly at the speed of 250rpm, heating to 80 ℃ in a constant-temperature oil bath, adding chloroplatinic acid, reacting at constant temperature for 2 hours, and removing the isopropanol by reduced pressure and air suction to obtain the modified emulsion.
Wherein the ratio of the tetrabutyl titanate to the absolute ethyl alcohol in the step S1 is 17 g: 10g of the prepared precursor, wherein the dosage ratio of absolute ethyl alcohol to deionized water in the medium solution is 6 g: 8g, the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the mixed solution a and the vinyl triethoxy silicon in the step S2 is 10:1, and the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the amino silicone oil to the mixed liquid b in the step S3 is 1:4, the dosage of the isopropanol is 7 times of the total mass of the amino silicone oil and the mixed liquid b, and the chloroplatinic acid is 1% of the total mass of the amino silicone oil and the mixed liquid b.
A preparation method of an elastic fabric with waterproof and windproof performances comprises the following preparation steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40min at 98 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 2 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30 minutes at 80 ℃, taking the fabric out, washing the fabric with deionized water for 2 times, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performance.
Example 2
The waterproof and windproof elastic fabric comprises the following raw materials in parts by weight:
35 parts of polyester fiber, 12 parts of spandex elastic fiber, 5 parts of bamboo charcoal fiber, 7 parts of cotton fiber and 60 parts of modified emulsion;
the waterproof and windproof elastic fabric is prepared by the following steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 6 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 6 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 50min at 100 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 2 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 35 minutes at 90 ℃, taking the fabric out, washing the fabric with deionized water for 2 times, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performance.
The amount of the soaping agent in the step A3 is 17 times of the mass of the fabric semi-finished product a, and the soaping agent is a detergent and a chelating dispersant in a mass ratio of 2: 1, the content of a detergent is 4g/L, the content of a chelating dispersant is 2.5g/L, the soaping temperature is 85 ℃, and the heat preservation time is 35 minutes.
Wherein the padding method in the step A4 is that the bath ratio is 1:20, the soaking temperature is 25 ℃, the soaking time is 2 minutes, and the roller pressure is 0.2 MPa.
Wherein, the modified emulsion is prepared by the following steps:
step S1, adding tetrabutyl titanate and absolute ethyl alcohol into a beaker, uniformly stirring the tetrabutyl titanate and the absolute ethyl alcohol to serve as precursors, sequentially adding the absolute ethyl alcohol and deionized water into the flask, dropwise adding a hydrochloric acid solution to adjust the pH value to 4.5 to prepare a medium solution, dropwise adding the precursors into the medium solution within 1 hour, and stirring the solution at the speed of 240rpm and the temperature of 27 ℃ for 13 hours to prepare a mixed solution a;
step S2, dropwise adding vinyl triethoxy silicon into the mixed solution a prepared in the step S1, stirring at 270rpm for 25 minutes, controlling the temperature to be 50 ℃, stirring for 6.5 hours, and then dropwise adding a hydrochloric acid solution to adjust the pH value to 6.5 to prepare a mixed solution b;
and step S3, adding amino silicone oil and the mixed solution b prepared in the step S2 into a three-neck flask, adding isopropanol, stirring and mixing uniformly at the speed of 260rpm, heating to 82 ℃ in a constant-temperature oil bath, adding chloroplatinic acid, reacting at constant temperature for 2 hours, and removing the isopropanol by reduced pressure and air suction to obtain the modified emulsion.
Wherein the ratio of the tetrabutyl titanate to the absolute ethyl alcohol in the step S1 is 18 g: preparing a precursor by 12g, wherein the dosage ratio of absolute ethyl alcohol to deionized water in the medium solution is 6.5 g: 9g, the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the mixed solution a and the vinyl triethoxy silicon in the step S2 is 10:1, and the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the amino silicone oil to the mixed liquid b in the step S3 is 1:4, the dosage of the isopropanol is 7 times of the total mass of the amino silicone oil and the mixed liquid b, and the chloroplatinic acid is 1% of the total mass of the amino silicone oil and the mixed liquid b.
A preparation method of an elastic fabric with waterproof and windproof performances comprises the following preparation steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 6 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 6 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 50min at 100 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 2 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 35 minutes at 90 ℃, taking the fabric out, washing the fabric with deionized water for 2 times, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performance.
Example 3
The waterproof and windproof elastic fabric comprises the following raw materials in parts by weight:
40 parts of polyester fiber, 15 parts of spandex elastic fiber, 6 parts of bamboo charcoal fiber, 10 parts of cotton fiber and 70 parts of modified emulsion;
the waterproof and windproof elastic fabric is prepared by the following steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 60min at the temperature of 110 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 40 minutes at 100 ℃, taking the fabric out, washing the fabric with deionized water for 3 times, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performances.
The amount of the soaping agent in the step A3 is 20 times of the mass of the fabric semi-finished product a, and the soaping agent is a detergent and a chelating dispersant in a mass ratio of 3: 1, the content of a detergent is 5g/L, the content of a chelating dispersant is 3g/L, the soaping temperature is 90 ℃, and the heat preservation time is 40 minutes.
Wherein the padding method in the step A4 is that the bath ratio is 1:20, the soaking temperature is 25 ℃, the soaking time is 3 minutes, and the roller pressure is 0.2 MPa.
Wherein, the modified emulsion is prepared by the following steps:
step S1, adding tetrabutyl titanate and absolute ethyl alcohol into a beaker, uniformly stirring the tetrabutyl titanate and the absolute ethyl alcohol to serve as precursors, sequentially adding the absolute ethyl alcohol and deionized water into the flask, dropwise adding a hydrochloric acid solution to adjust the pH to 5.5 to prepare a medium solution, dropwise adding the precursors into the medium solution within 1 hour, and stirring the solution at the speed of 250rpm and the temperature of 30 ℃ for 16 hours to prepare a mixed solution a;
step S2, dropwise adding vinyl triethoxy silicon into the mixed solution a prepared in the step S1, stirring at the speed of 300rpm for 30 minutes, controlling the temperature to be 55 ℃, stirring for 7 hours, and then dropwise adding a hydrochloric acid solution to adjust the pH value to 7 to prepare a mixed solution b;
and step S3, adding amino silicone oil and the mixed solution b prepared in the step S2 into a three-neck flask, adding isopropanol, stirring and mixing uniformly at the speed of 270rpm, heating to 85 ℃ in a constant-temperature oil bath, adding chloroplatinic acid, reacting at constant temperature for 3 hours, and removing the isopropanol by reduced pressure and air suction to obtain the modified emulsion.
Wherein the ratio of the tetrabutyl titanate to the absolute ethyl alcohol in the step S1 is 20 g: 13g of the precursor is prepared, and the dosage ratio of absolute ethyl alcohol to deionized water in the medium solution is 7 g: 10g, and the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the mixed solution a and the vinyl triethoxy silicon in the step S2 is 10:1, and the mass fraction of the hydrochloric acid solution is 37%.
Wherein the mass ratio of the amino silicone oil to the mixed liquid b in the step S3 is 1:5, the dosage of the isopropanol is 8 times of the total mass of the amino silicone oil and the mixed liquid b, and the chloroplatinic acid is 2% of the total mass of the amino silicone oil and the mixed liquid b.
A preparation method of an elastic fabric with waterproof and windproof performances comprises the following preparation steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 60min at the temperature of 110 ℃, putting the elastic fabric into the dye vat without the dye, rinsing for 3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: carrying out after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using a modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is finished, taking out the fabric semi-finished product after drying for 40 minutes at 100 ℃, washing the fabric semi-finished product b for 3 times by using deionized water, and naturally airing to obtain the elastic fabric with waterproof and windproof performances
Comparative example
Commercially available elastic fabrics.
The following performance tests were performed on the elastic fabrics obtained in examples 1 to 3 and comparative example: (1) a ventilation experiment, wherein the fabric is cut into a closed rectangular cloth bag with the length of 20 multiplied by 25cm, an eye inflating device is assembled, the cloth bag is placed on a platform after being inflated, and the air bleeding time is observed under the dead weight of a weight with the weight of 50 grams; (2) a water permeability experiment, wherein the fabric is cut into a closed rectangular cloth bag with the size of 20 multiplied by 25cm, a water filling hole device is assembled, the cloth bag is filled with water, and the time for permeating 2g of water is observed under the condition of hanging naturally; (3) the ultraviolet protection effect test refers to the evaluation of ultraviolet protection performance of textiles in GB/T18830-:
TABLE 1
Figure BDA0003267046740000131
As can be seen from Table 1, the longer the air release time of the fabrics prepared in examples 1-3 is, the better the windproof performance of the fabrics is, and the longer the water penetration time is, the better the waterproof performance is, and in addition, compared with the comparative example, the fabrics prepared in examples 1-3 have the efficient ultraviolet-proof function and have certain application value.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The waterproof and windproof elastic fabric is characterized by comprising the following raw materials in parts by weight: 30-40 parts of polyester fiber, 10-15 parts of spandex elastic fiber, 4-6 parts of bamboo charcoal fiber, 5-10 parts of cotton fiber and 50-70 parts of modified emulsion;
the waterproof and windproof elastic fabric is prepared by the following steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5-7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5-7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40-60min at the temperature of 98-110 ℃, then putting the elastic fabric into the dye vat without the dye, rinsing for 2-3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30-40 minutes at 80-100 ℃, taking out the fabric semi-finished product b, washing the fabric semi-finished product b for 2-3 times by using deionized water, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performances.
2. The waterproof and windproof elastic fabric according to claim 1, characterized in that: the dosage of the soaping agent in the step A3 is 15-20 times of the mass of the fabric semi-finished product a, and the soaping agent is formed by mixing a detergent and a chelating dispersant in a mass ratio of (2-3): 1, the content of a detergent is 3-5g/L, the content of a chelating dispersant is 2-3g/L, the soaping temperature is 85-90 ℃, and the heat preservation time is 30-40 minutes.
3. The waterproof and windproof elastic fabric according to claim 1, characterized in that: the padding method in the step A4 is characterized in that the bath ratio is 1:20, the soaking temperature is 25 ℃, the soaking time is 2-3 minutes, and the roller pressure is 0.2 MPa.
4. The waterproof and windproof elastic fabric according to claim 1, characterized in that: the modified emulsion is prepared by the following steps:
step S1, adding tetrabutyl titanate and absolute ethyl alcohol into a beaker, uniformly stirring the tetrabutyl titanate and the absolute ethyl alcohol to serve as precursors, sequentially adding the absolute ethyl alcohol and deionized water into the flask, dropwise adding a hydrochloric acid solution to adjust the pH value to 4-5.5 to prepare a medium solution, dropwise adding the precursors into the medium solution within 1 hour, and stirring the solution at the speed of 230 plus 250rpm and the temperature of 25-30 ℃ for 10-16 hours to prepare a mixed solution a;
step S2, dropwise adding vinyl triethoxy silicon into the mixed solution a prepared in the step S1, stirring at the speed of 250-55 rpm for 20-30 minutes, controlling the temperature to be 45-55 ℃, stirring for 6-7 hours, and then dropwise adding a hydrochloric acid solution to adjust the pH value to 6-7 to prepare a mixed solution b;
and S3, adding amino silicone oil and the mixed solution b prepared in the step S2 into a three-neck flask, adding isopropanol, stirring and mixing uniformly at the speed of 250-270rpm, heating to 80-85 ℃ in a constant-temperature oil bath, adding chloroplatinic acid, reacting for 2-3 hours at constant temperature, and removing the isopropanol by reduced pressure and air suction to obtain the modified emulsion.
5. The waterproof and windproof elastic fabric according to claim 4, characterized in that: the dosage ratio of tetrabutyl titanate and absolute ethyl alcohol in the step S1 is 17-20 g: 10-13g of prepared precursor, wherein the dosage ratio of absolute ethyl alcohol to deionized water in the medium solution is 6-7 g: 8-10g, and the mass fraction of the hydrochloric acid solution is 37%.
6. The waterproof and windproof elastic fabric according to claim 4, characterized in that: the mass ratio of the mixed solution a and the vinyl triethoxy silicon in the step S2 is 10:1, and the mass fraction of the hydrochloric acid solution is 37%.
7. The waterproof and windproof elastic fabric according to claim 4, characterized in that: the mass ratio of the amino silicone oil to the mixed liquid b in the step S3 is 1:4-5, the dosage of the isopropanol is 7-8 times of the total mass of the amino silicone oil and the mixed liquid b, and the chloroplatinic acid is 1-2% of the total mass of the amino silicone oil and the mixed liquid b.
8. The preparation method of the waterproof and windproof elastic fabric according to claim 1, characterized in that: the preparation method comprises the following preparation steps:
step A1, weaving treatment: polyester fibers and spandex elastic fibers are made into warp yarns through a twisting process of 5-7 turns/cm, bamboo charcoal fibers and cotton fibers are made into weft yarns through a twisting process of 5-7 turns/cm, and the weft yarns are woven into elastic fabric blanks on a weaving machine by adopting a twill weave method of warp and weft interweaving;
step a2, dye-uptake treatment: b, adding the blank of the elastic fabric prepared in the step A1 into a dye vat, adding a dye, soaking and dyeing for 40-60min at the temperature of 98-110 ℃, then putting the elastic fabric into the dye vat without the dye, rinsing for 2-3 times, and drying to obtain a fabric semi-finished product a;
step A3, soaping: soaping the fabric semi-finished product a prepared in the step A2 by using a soaping agent, then performing hot washing and cold washing until the dye is washed to be loose, performing color fixation treatment, and then performing drying and shaping treatment by using a shaping machine to obtain a fabric semi-finished product b;
step A4, modification treatment: and D, performing after-finishing on the fabric semi-finished product b prepared in the step A3 by using a padding method by using the modified emulsion, putting the fabric semi-finished product b into an oven after the after-finishing is completed, drying the fabric semi-finished product b for 30-40 minutes at 80-100 ℃, taking out the fabric semi-finished product b, washing the fabric semi-finished product b for 2-3 times by using deionized water, and naturally drying the fabric to obtain the elastic fabric with the waterproof and windproof performances.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114103330A (en) * 2021-12-09 2022-03-01 高梵(浙江)信息技术有限公司 Down jacket fabric capable of achieving reflective temperature rise and preparation method thereof
CN114277484A (en) * 2021-12-28 2022-04-05 高梵(浙江)信息技术有限公司 Wear-resistant down jacket cuff fabric and preparation method thereof
CN114717718A (en) * 2022-05-06 2022-07-08 苏州市莱盎纺织有限公司 Preparation method of outdoor sports windproof fabric

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