CN111893759A - Antistatic finishing process of worsted wool fabric and worsted wool fabric - Google Patents
Antistatic finishing process of worsted wool fabric and worsted wool fabric Download PDFInfo
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- CN111893759A CN111893759A CN202010751674.0A CN202010751674A CN111893759A CN 111893759 A CN111893759 A CN 111893759A CN 202010751674 A CN202010751674 A CN 202010751674A CN 111893759 A CN111893759 A CN 111893759A
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- antistatic
- wool fabric
- worsted wool
- worsted
- antistatic finishing
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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
- D06M13/244—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 sulfur or phosphorus
- D06M13/282—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 sulfur or phosphorus with compounds containing phosphorus
- D06M13/288—Phosphonic or phosphonous acids or derivatives thereof
-
- 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
- D06M13/244—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 sulfur or phosphorus
- D06M13/248—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 sulfur or phosphorus with compounds containing sulfur
-
- 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
- D06M13/244—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 sulfur or phosphorus
- D06M13/248—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 sulfur or phosphorus with compounds containing sulfur
- D06M13/252—Mercaptans, thiophenols, sulfides or polysulfides, e.g. mercapto acetic acid; Sulfonium compounds
-
- 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
- D06M13/35—Heterocyclic compounds
- D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
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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
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
-
- 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
- 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
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The invention discloses an antistatic finishing process of worsted wool fabric, which comprises the following steps: s1: soaking the worsted wool fabric in a pretreatment solution mainly comprising a reducing agent, lipoic acid, a pH value regulator and water, heating, carrying out heat preservation reaction, washing with water and drying; s2: padding and finishing the worsted wool fabric obtained in the S1 by adopting an antistatic finishing agent solution or dispersion liquid, and pre-drying to dry and baking to obtain the antistatic worsted wool fabric; the pH value of the pretreatment liquid is 8-9, and the temperature rise reaction temperature is 55-70 ℃; the antistatic finishing agent in the antistatic finishing agent solution or dispersion is a polyol antistatic finishing agent, and the pH value of the antistatic finishing agent solution or dispersion is 5-6. The antistatic finishing process of the worsted wool fabric comprises the steps of pretreating the fabric by using a reducing agent and lipoic acid, and finishing by using an antistatic finishing agent, wherein the pretreated worsted wool fabric is more resistant to antistatic property and washing with water and has better durability.
Description
Technical Field
The invention relates to the technical field of worsted wool fabric production, in particular to an antistatic finishing process of worsted wool fabric and the worsted wool fabric.
Background
The wool fabric has good warmth retention property, wrinkle resistance and wear resistance, and is usually used in cold environments. However, the friction between wool fibers under the low-temperature drying condition is easy to generate the electrification phenomenon, and the charges are accumulated on the surfaces of the wool fibers for a long time, thereby causing the static phenomenon in the process of taking the wool. A further problem with electrostatic phenomena is the adsorption of dust, creating a feeling of electric shock.
The main means for improving the electrostatic phenomenon of the wool fabric comprise the following three means:
firstly, the fiber with good conductivity is adopted to be blended with wool;
secondly, scale layers of the wool fibers are stripped, the friction effect of the fibers is reduced, and the antistatic performance obtained by the method is permanent, but the strength of the wool fibers and the fabric is damaged;
thirdly, the surface layer of the scale layer is coated with a surfactant, a conductive film with excellent hydrophilicity is formed on the surface of the wool fiber, the dissipation speed of the charges on the surface of the fiber is accelerated, and the accumulation of the charges is further avoided. Common antistatic surfactants for wool mainly include the following: nonionic surfactant, silicone surfactant, and organic fluorine surfactant. The antistatic durability of the wool fabric is poor.
Disclosure of Invention
One of the purposes of the invention is to overcome the defects in the prior art and provide an antistatic finishing process for worsted wool fabric, so as to optimize the durability of antistatic finishing.
In order to achieve the technical effects, the technical scheme of the invention is as follows: an antistatic finishing process for worsted wool fabric comprises the following steps:
s1: soaking the worsted wool fabric in a pretreatment solution mainly comprising a reducing agent, lipoic acid, a pH value regulator and water, heating, carrying out heat preservation reaction, washing with water and drying;
s2: padding and finishing the worsted wool fabric obtained in the S1 by adopting an antistatic finishing agent solution or dispersion liquid, and pre-drying to dry and baking to obtain the antistatic worsted wool fabric;
the pH value of the pretreatment liquid is 8-9, and the temperature rise reaction temperature is 55-70 ℃; the antistatic finishing agent in the antistatic finishing agent solution or dispersion is a polyol antistatic finishing agent, and the pH value of the antistatic finishing agent solution or dispersion is 5-6.
Under alkaline conditions, the reducing agent destroys a scale layer on the surface of the wool fiber and a disulfide bond of lipoic acid to generate a sulfhydryl group with reactivity, the sulfhydryl group of the wool fiber and the lipoic acid is exchanged and reconstructed to generate a stable disulfide bond, carboxyl is introduced into the surface of the wool fiber and is subjected to esterification reaction with hydroxyl of a surfactant, and the durability of the antistatic performance of the worsted wool fabric is improved.
The antistatic finishing agent of polyol belongs to nonionic surfactant, and the common polyol nonionic surfactant is Span series polyol type nonionic surfactant.
The preferable technical scheme is that the reducing agent in the pretreatment solution is at least one of tricarboxyethylphosphine and mercaptoethanol. A further preferred reducing agent is mercaptoethanol.
The preferable technical scheme is that the dosage of the reducing agent is 7-13% o.w.f. based on the weight of the worsted wool fabric.
The preferable technical scheme is that the lipoic acid is 0.5-4% o.w.f. based on the weight of the worsted wool fabric. The lipoic acid consumption is too small, so that the durability of the antistatic performance of the worsted wool fabric is not obviously improved; the disulfide bond content in the wool fiber scale layer is high, and the excessive using amount of the lipoic acid can generate steric hindrance on the adsorption of an antistatic agent, and the antistatic performance of the worsted wool fabric is affected.
The preferred technical scheme is that the antistatic finishing agent in the antistatic finishing agent solution or dispersion liquid accounts for 3-8% o.w.f. based on the weight of the worsted wool fabric.
The preferable technical scheme is that the temperature of the antistatic finishing agent solution or dispersion liquid in padding finishing is 50-65 ℃, and the rolling residual rate is 80-100%.
The preferable technical scheme is that the pre-drying temperature in S2 is 90-100 ℃, the baking temperature is 135-145 ℃, and the baking time is 50-100S. Too low baking temperature is not beneficial to maintaining the durability of antistatic performance, and too high baking temperature can cause damage to wool fibers and decrease the strength of the fabric.
The preferable technical proposal is that the reaction time is at least 1.5h after the temperature is raised in S1.
The second purpose of the invention is to provide a worsted wool fabric which is prepared by the antistatic finishing process of the worsted wool fabric.
The invention has the advantages and beneficial effects that:
according to the antistatic finishing process of the worsted wool fabric, the fabric is firstly pretreated by adopting a reducing agent and lipoic acid, then the fabric is finished by using an antistatic finishing agent, the finished worsted wool fabric has good antistatic performance, and compared with the worsted wool fabric which is directly finished by adopting the antistatic agent, the worsted wool fabric after pretreatment has the advantages of higher antistatic performance, higher water washing resistance and higher durability.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Antistatic finishing is carried out on the wool worsted fabric, and the specification of the worsted wool fabric is as follows: 98% of wool, 2% of lycra, 14.75tex 2 of yarn fineness, the same yarn fineness in the warp and weft directions, the gram weight per square meter of 364g, and the source of the fabric: jiangsu sunshine group.
Antistatic finishing agent: span 80 (nonionic surfactant), span 60 (nonionic surfactant), antistatic agent SN (octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, cationic surfactant).
Example 1 an antistatic finishing process for worsted wool fabric comprises the following steps:
s1: preparing a pretreatment solution, adding reducing agents of mercaptoethanol and lipoic acid into water, adjusting the pH value of the pretreatment solution to 8.5 by using a sodium hydroxide solution,
s2: soaking the worsted wool fabric in pretreatment liquid, taking the weight of the worsted wool fabric as a reference, wherein the using amount of a reducing agent is 8% o.w.f., the using amount of lipoic acid is 1% o.w.f., the bath ratio is 1:15, heating the pretreatment liquid to 60-65 ℃, carrying out heat preservation reaction for 2 hours, cooling, taking out the worsted wool fabric, and washing and drying the worsted wool fabric;
s3: padding and finishing the worsted wool fabric obtained by S1 by adopting span 80 dispersion liquid: adjusting the pH value of the antistatic finishing agent dispersion liquid to 5 by using hydrochloric acid, taking the weight of the worsted wool fabric as a reference, taking the amount of span 80 in the span 80 dispersion liquid as 4%, taking the span 80 dispersion liquid according to the bath ratio of 1:25, heating the span 80 dispersion liquid to 50 ℃, carrying out two-dipping and two-rolling on the worsted wool fabric obtained in S1, wherein the rolling residual rate is 100%, pre-drying to dryness at 90-100 ℃, and baking for 80S at 135-140 ℃ to obtain the antistatic worsted wool fabric.
Example 2
Embodiment 2 is based on embodiment 1 with the difference that span 60 is used instead of span 80.
Example 3
Example 3 is based on example 1 with the difference that the antistatic finish is an antistatic agent SN.
Examples 4 to 5
Examples 4-5 are based on example 1, with the difference that example 4 uses 4% o.w.f. lipoic acid and example 5 uses 6% o.w.f. lipoic acid.
Example 6
Example 6 is based on example 1, except that the baking temperature is 125-130 ℃.
Example 7
Example 7 is based on example 1 with the difference that the reducing agent is a combination of tricarboxyethylphosphine and mercaptoethanol in a weight ratio of 1: 1.
Example 8
Example 8 is based on example 1 with the difference that the solution or dispersion of the antistatic finish in the pad finish has a temperature of from 35 to 40 DEG C
Comparative example
Comparative example 1 is based on example 1 with the difference that the comparative example does not comprise a pretreatment step and the worsted wool face fabric is padded directly with the span 80 dispersion; comparative example 2 is a worsted wool face fabric without pretreatment and antistatic finish.
The fabrics obtained in examples and comparative examples were evaluated for antistatic performance and antistatic durability as follows:
1. evaluation of textile Electrostatic Properties in accordance with GB/T12703.1-2008, part 1: electrostatic voltage half-life "and GB/T12703.2-2009 evaluation of textile Electrostatic Performance part 2: detecting charge surface density;
2. examples 1-3 and comparative examples were washed 5 times with the same water and, after drying, again according to GB/T12703.1-2008, evaluation of textile Electrostatic Properties part 1: electrostatic voltage half-life "and GB/T12703.2-2009 evaluation of textile Electrostatic Performance part 2: and (4) detecting charge surface density.
The results of the initial electrostatic half-life and charge areal density measurements for the examples and comparative samples are as follows:
| test specimen | Electrostatic half life period/s | Charge areal density/C/m2 |
| Example 1 | 1.07 | 0.4 |
| Example 2 | 1.01 | 0.3 |
| Example 3 | 0.97 | 0.3 |
| Example 4 | 1.25 | 0.6 |
| Example 5 | 1.54 | 0.9 |
| Example 6 | 1.36 | 0.7 |
| Example 7 | 1.28 | 0.6 |
| Example 8 | 1.31 | 0.6 |
| Comparative example 1 | 1.45 | 0.8 |
| Comparative example 2 | 7.65 | 4.1 |
The results of measuring the electrostatic half-life and charge area density of the samples of examples 1 to 3 and comparative example after 5 times of water washing are as follows:
| test specimen | Electrostatic half life period/s | Charge areal density/C/m2 |
| Example 1 | 1.18 | 0.5 |
| Example 2 | 1.21 | 0.6 |
| Example 3 | 1.32 | 0.7 |
| Comparative example 1 | 1.81 | 1.4 |
The larger the electrostatic half-life, the less easily the charge escapes from the surface of the wool fiber, and the poorer the antistatic performance of the fabric. The larger the charge surface density, the poorer the antistatic performance of the fabric. The lipoic acid is excessive, the baking temperature of the antistatic agent after finishing is low, and the improvement of the antistatic performance of the worsted wool fabric is not facilitated; examples 1 to 3 before and after the water washing and comparative example are contrasted, and compared with comparative example 1 and comparative example 2, the antistatic performance of examples 1 and 2 is reduced to a small extent, which proves that the antistatic performance of the fabric is more durable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An antistatic finishing process of worsted wool fabric is characterized by comprising the following steps:
s1: soaking the worsted wool fabric in a pretreatment solution mainly comprising a reducing agent, lipoic acid, a pH value regulator and water, heating, carrying out heat preservation reaction, washing with water and drying;
s2: padding and finishing the worsted wool fabric obtained in the S1 by adopting an antistatic finishing agent solution or dispersion liquid, and pre-drying to dry and baking to obtain the antistatic worsted wool fabric;
the pH value of the pretreatment liquid is 8-9, and the temperature rise reaction temperature is 55-70 ℃; the antistatic finishing agent in the antistatic finishing agent solution or dispersion is a polyol antistatic finishing agent, and the pH value of the antistatic finishing agent solution or dispersion is 5-6.
2. The process of claim 1, wherein the reducing agent in the pretreatment solution is at least one of tri-carboxyethyl phosphine and mercaptoethanol.
3. The antistatic finishing process of the worsted wool fabric according to claim 2, wherein the amount of the reducing agent is 7-13% o.w.f. based on the weight of the worsted wool fabric.
4. The antistatic finishing process of the worsted wool fabric according to claim 1, wherein the lipoic acid is 0.5-4% o.w.f. based on the weight of the worsted wool fabric.
5. The process of claim 1, wherein the antistatic finish in the solution or dispersion of the antistatic finish is 3-8% o.w.f. based on the weight of the worsted wool fabric.
6. The antistatic finishing process of worsted wool fabric according to claim 1, wherein the temperature of the solution or dispersion of the antistatic finishing agent in the padding finishing is 50-65 ℃ and the rolling residue is 80-100%.
7. The antistatic finishing process of the worsted wool fabric according to claim 1, wherein the pre-drying temperature in S2 is 90-100 ℃, the baking temperature is 135-145 ℃, and the baking time is 50-100S.
8. The process of claim 1, wherein the reaction time after the temperature rise in S1 is at least 1.5 h.
9. A worsted wool face fabric produced by an antistatic finish process of the worsted wool face fabric according to any of claims 1 to 8.
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| CN202010751674.0A CN111893759B (en) | 2020-07-30 | 2020-07-30 | Antistatic finishing process of worsted wool fabric and worsted wool fabric |
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| CN202010751674.0A CN111893759B (en) | 2020-07-30 | 2020-07-30 | Antistatic finishing process of worsted wool fabric and worsted wool fabric |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003047567A1 (en) * | 2001-12-03 | 2003-06-12 | Degussa Ag | STABLE, ACID, AQUEOUS SOLUTION CONTAINING α-LIPONIC ACID (DERIVATIVES), METHOD FOR THE PRODUCTION THEREOF AND USE OF THE SAME |
| CN105256556A (en) * | 2015-10-23 | 2016-01-20 | 东华大学 | Method for making wool fabric have antibacterial and anti-static functions |
| CN109023950A (en) * | 2018-07-10 | 2018-12-18 | 江苏阳光股份有限公司 | A kind of conformal method for sorting of wool fabric |
| CN111172752A (en) * | 2020-02-21 | 2020-05-19 | 江南大学 | Crease-resistant finishing method for cotton fabric without formaldehyde and strength loss |
-
2020
- 2020-07-30 CN CN202010751674.0A patent/CN111893759B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003047567A1 (en) * | 2001-12-03 | 2003-06-12 | Degussa Ag | STABLE, ACID, AQUEOUS SOLUTION CONTAINING α-LIPONIC ACID (DERIVATIVES), METHOD FOR THE PRODUCTION THEREOF AND USE OF THE SAME |
| CN105256556A (en) * | 2015-10-23 | 2016-01-20 | 东华大学 | Method for making wool fabric have antibacterial and anti-static functions |
| CN109023950A (en) * | 2018-07-10 | 2018-12-18 | 江苏阳光股份有限公司 | A kind of conformal method for sorting of wool fabric |
| CN111172752A (en) * | 2020-02-21 | 2020-05-19 | 江南大学 | Crease-resistant finishing method for cotton fabric without formaldehyde and strength loss |
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