CN116988325A - A method for improving the ozone fastness of indigo-dyed denim fabrics - Google Patents
A method for improving the ozone fastness of indigo-dyed denim fabrics Download PDFInfo
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- CN116988325A CN116988325A CN202310766179.0A CN202310766179A CN116988325A CN 116988325 A CN116988325 A CN 116988325A CN 202310766179 A CN202310766179 A CN 202310766179A CN 116988325 A CN116988325 A CN 116988325A
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- indigo
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- ozone fastness
- dyed denim
- denim fabric
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/06—After-treatment with organic compounds containing nitrogen
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
-
- 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
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
Abstract
本发明公开了一种提高靛蓝染色牛仔织物耐臭氧牢度的方法，属于纺织印染加工技术领域包括以下步骤：将靛蓝染色牛仔织物加入到含有反应性氨基缩合物、仲氨基有机硅乳液的处理浴中，控制浴比为1:30，升温至60℃处理45min，取出织物，脱水，100℃～120℃烘干。本发明所制备的反应性氨基缩合物具有氨基含量多，还原性作用大，抗臭氧能力强的优点；同时具有反应性，固色时可与纤维发生反应，具有耐久性；本发明的处理浴添加仲氨基有机硅乳液，一方面提供织物的柔软性，另一方面分子中所带的仲氨基也具有还原作用，可提升耐臭氧色牢度。The invention discloses a method for improving the ozone resistance fastness of indigo-dyed denim fabric, which belongs to the technical field of textile printing and dyeing processing and includes the following steps: adding indigo-dyed denim fabric to a treatment bath containing reactive amino condensate and secondary amino silicone emulsion. , control the liquor ratio to 1:30, raise the temperature to 60°C and process for 45 minutes, take out the fabric, dehydrate, and dry at 100°C to 120°C. The reactive amino condensate prepared by the present invention has the advantages of high amino content, large reducing effect, and strong ozone resistance; it is also reactive, can react with fibers during color fixation, and has durability; the treatment bath of the present invention The addition of secondary amino silicone emulsion not only improves the softness of the fabric, but also has a reducing effect on the secondary amino groups in the molecule, which can improve the color fastness to ozone.
Description
Technical Field
The invention belongs to the technical field of textile printing and dyeing processing, and particularly relates to a method for improving ozone fastness of indigo-dyed jean fabric.
Background
Indigo is one of the most well-known and widely used dyes in the world. The use of indigo on textile dyes can be traced back to 2500 years before the male element. Especially, jean fabric and clothing are popular with consumers, and the yield is continuously improved. The industrial process is quickened, the quantity of the urban automobiles is greatly increased, the ozone is high in oxidizing property, indigo can attack carbon-carbon double bonds on indigo dye under the action of the ozone, indigo red, tannic acid and the like are generated, so that indigo fabrics fade and turn yellow, and a large number of indigo jeans fabric test results show that the ozone fastness is disqualified, and the quality of indigo jeans products is greatly influenced.
The research shows that the polyamine with stronger reducibility can react with ozone before the vat dye, and plays a role in protecting the vat dye. Wei Jiang from the oxidation resistance mechanism, compared with four amine compounds of dodecylaniline, diethanolamine, diethylenetriamine and triethylenetetramine, the amine compounds are found to have a certain effect on the improvement of ozone fastness of vat dyes, and the higher the mass fraction of amino nitrogen atoms in the reducing organic matters is, the more remarkable effect on the improvement of ozone resistance, and along with the increase of the concentration of finishing liquid, the ozone resistance also shows a certain rising trend (research of ozone fastness of vat dyes and a lifter thereof [ D ]. Donghua university, 2008). However, polyamines themselves have volatility, irritation and sensitization and cannot be directly applied to vat dye dyed fabrics. Amine compounds are introduced into polyurethane by kingdom building and the like, and a water-based polyurethane polymer is developed for improving ozone fastness of pure cotton fabrics, and the optimized application process conditions are as follows: padding polyurethane lifting agent dispersion liquid 20g/L, drying at 80 ℃, baking at 100 ℃ for 3min, or finishing fabric by adopting an immersion method, wherein the bath ratio is 1:20, the ozone fastness is improved (synthesis and application of indigo ozone fastness lifting agent [ J ] printing and dyeing, 2009,35 (08): 1-4.). Polyurethane preparation is complex and affects other properties of the fabric. The invention patent with application number 201611109173.2 discloses a vat dye ozone fastness improver, a preparation method and application thereof, and provides an epoxy end group hyperbranched polyamide-amine as the vat dye ozone fastness improver, but the product uses amide as a reducing substance, so that the problem of insufficient reducing capability exists.
Based on the above analysis, development of agents and processing methods for improving ozone fastness of indigo-dyed denim fabrics is urgent.
Disclosure of Invention
The invention aims to overcome the defects and limitations in the prior art and provides a method for effectively improving the ozone fastness of indigo dyed jean fabric.
The technical solution of the invention is as follows:
a method for improving ozone fastness of indigo-dyed denim fabric comprising the steps of:
adding the indigo dyed jean fabric into a treatment bath containing reactive amino condensate and secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, heating to 60 ℃ for treatment for 45min, taking out the fabric, dehydrating and drying at 100-120 ℃.
The mass concentration of the reactive amino condensate is 1-10 g/L, and the mass concentration of the secondary amino organosilicon emulsion is 1-5 g/L.
The reactive amino condensate is formed by condensing polyethylene polyamine serving as a raw material and epichlorohydrin serving as a cross-linking agent, and the specific condensation method is as follows: under the magnetic stirring, triethylene tetramine and tetraethylene pentamine with a certain volume ratio are dissolved in an ethanol solution in a four-neck flask, so that the whole reaction system is in a closed state, the reaction flask is placed in an ice-water bath, the temperature in the flask is controlled to be not higher than 10 ℃, after the triethylene tetramine and the tetraethylene pentamine are completely dissolved, epoxy chloropropane is slowly dripped by a constant pressure funnel, the reaction is continued for 30-90 minutes in a cold water bath after the dripping is finished, the ethanol solution of para-aminodiphenylamine is continuously dripped, the reaction is continued for 20-60 minutes after the dripping is finished, the temperature is raised to 60 ℃, the reaction is kept for 2 hours, the pH is regulated to 3-6 by adding acetic acid after the cooling to room temperature, and the reactive amino condensate is obtained by decompression distillation at 50 ℃.
The volume ratio of triethylene tetramine to tetraethylene pentamine is 1:1-1:3.
When the triethylene tetramine and the tetraethylene pentamine are dissolved in an ethanol solution, the ratio of the volume of the ethanol solution to the total volume of the triethylene tetramine and the tetraethylene pentamine is 1:1-2:1.
The volume of the epoxy chloropropane is 2 times of the total volume of triethylene tetramine and tetraethylene pentamine.
The mass fraction of the para-aminodiphenylamine in the ethanol solution of the para-aminodiphenylamine is 10% -50%.
The secondary amino organosilicon emulsion is a conventional industrial product, and the amine value is 0.4-0.8.
Compared with the prior art, the invention has the advantages that:
(1) The reactive amino condensate prepared by the invention has the advantages of high amino content, large reducing effect and strong ozone resistance; meanwhile, the color fixing agent has reactivity, can react with fibers during color fixing, and has durability.
(2) The treatment bath of the invention adds the secondary amino organosilicon emulsion, on one hand, provides the softness of the fabric, and on the other hand, the secondary amino carried in the molecule also has a reducing effect, thus improving the ozone color fastness.
Detailed description of the preferred embodiments
The invention is further described below with reference to examples.
Example 1
(1) Preparation of reactive amino condensate: under magnetic stirring, 36mL of triethylene tetramine and tetraethylene pentamine with the volume ratio of 1:1 are dissolved in 50mL of ethanol solution in a four-neck flask, the whole reaction system is in a closed state, the reaction flask is placed in an ice-water bath, the temperature in the flask is controlled to be not higher than 10 ℃, 72mL of epoxy chloropropane is slowly dripped by a constant pressure funnel after the triethylene tetramine and the tetraethylene pentamine are completely dissolved, the reaction is continued in a cold water bath for 40 minutes after the dripping, 20mL of 30% ethanol solution of para-aminodiphenylamine is continuously dripped, the reaction is carried out for 30 minutes after the dripping, the temperature is raised to 60 ℃, the temperature is kept for 2 hours, acetic acid is added to adjust the pH value to 4 after the cooling to room temperature, and the reactive amino condensate is obtained through reduced pressure distillation at 50 ℃;
(2) And (3) treatment: adding indigo dyed jean fabric into a treatment bath containing 2g/L reactive amino condensate and 2g/L secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, adjusting the pH value to be 8, heating to 60 ℃ for 45min, taking out the fabric, dehydrating and drying at 100-120 ℃.
Example 2
(1) Preparation of reactive amino condensate: under magnetic stirring, 36mL of triethylene tetramine and tetraethylene pentamine with the volume ratio of 1:1.5 are dissolved in 50mL of ethanol solution in a four-neck flask, the whole reaction system is in a closed state, the reaction flask is placed in an ice-water bath, the temperature in the flask is controlled to be not higher than 10 ℃, 72mL of epoxy chloropropane is slowly dripped by a constant pressure funnel after the triethylene tetramine and the tetraethylene pentamine are completely dissolved, the reaction is continued for 70 minutes in a cold water bath after the dripping, 40mL of 30% ethanol solution of para-aminodiphenylamine is continuously dripped, the reaction is carried out for 50 minutes after the dripping, the temperature is raised to 60 ℃, the reaction is carried out for 2 hours at the temperature, acetic acid is added to adjust the pH value to 4.5 after the cooling to the room temperature, and the reactive amino condensate is obtained through reduced pressure distillation at 50 ℃;
(2) And (3) treatment: adding indigo dyed jean fabric into a treatment bath containing 5g/L reactive amino condensate and 3g/L secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, adjusting the pH value to be 8, heating to 60 ℃ for 45min, taking out the fabric, dehydrating and drying at 100-120 ℃.
Example 3
(1) Preparation of reactive amino condensate: under magnetic stirring, 36mL of triethylene tetramine and tetraethylene pentamine with the volume ratio of 1:2 are dissolved in 50mL of ethanol solution in a four-neck flask, the whole reaction system is in a closed state, the reaction flask is placed in an ice-water bath, the temperature in the flask is controlled to be not higher than 10 ℃, 72mL of epoxy chloropropane is slowly dripped by a constant pressure funnel after the triethylene tetramine and the tetraethylene pentamine are completely dissolved, the reaction is continued in a cold water bath for 60 minutes after the dripping, 30mL of 30% ethanol solution of para-aminodiphenylamine is continuously dripped, the reaction is carried out for 50 minutes after the dripping, the temperature is raised to 60 ℃, the temperature is kept for 2 hours, acetic acid is added to adjust the pH value to 3.5 after the cooling to room temperature, and the reactive amino condensate is obtained through reduced pressure distillation at 50 ℃;
(2) And (3) treatment: adding indigo dyed jean fabric into a treatment bath containing 7g/L of reactive amino condensate and 4g/L of secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, adjusting the pH value to be 8, heating to 60 ℃ for 45min, taking out the fabric, dehydrating and drying at 100-120 ℃.
According to GB/T8427-2019 "fastness to artificial light color for textile color fastness test": xenon arc testing light fastness, reference GB/T3921-2008 "textile color fastness to soaping" testing soaping fastness, reference AATCC 109-2016 "Colorfastness to Ozone in the Atmosphere under Low Humidities" testing ozone fastness. The color fastness index of the unfinished denim fabric, the denim fabrics of examples 1-3, was measured and is set forth in Table 1.
Table 1 results of color fastness testing of unfinished jean fabrics, example 1-3 jean fabrics
As can be seen from Table 1, the method of the present invention can effectively improve the ozone fastness of indigo-dyed denim fabric without affecting other color fastness of the fabric; compared with untreated jean, the jean treated by the method has greatly improved ozone color fastness.
The above examples merely illustrate specific embodiments of the disclosure, but the embodiments of the disclosure are not limited by the foregoing. Any changes, modifications, substitutions, combinations, and simplifications that may be made without materially departing from the spirit and principles of the inventive concepts of the present disclosure are intended to be equivalent substitutes and are intended to be included within the scope of protection as defined by the claims.
Claims (8)
1. A method for improving ozone fastness of indigo-dyed denim fabric, characterized by: the method comprises the following steps:
adding the indigo dyed jean fabric into a treatment bath containing reactive amino condensate and secondary amino organosilicon emulsion, controlling the bath ratio to be 1:30, heating to 60 ℃ for treatment for 45min, taking out the fabric, dehydrating and drying at 100-120 ℃.
2. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 1, wherein: the method comprises the following steps: the mass concentration of the reactive amino condensate is 1-10 g/L, and the mass concentration of the secondary amino organosilicon emulsion is 1-5 g/L.
3. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 1, wherein: the reactive amino condensate is formed by condensing polyethylene polyamine serving as a raw material and epichlorohydrin serving as a cross-linking agent, and the specific condensation method is as follows: under the magnetic stirring, triethylene tetramine and tetraethylene pentamine with a certain volume ratio are dissolved in an ethanol solution in a four-neck flask, so that the whole reaction system is in a closed state, the reaction flask is placed in an ice-water bath, the temperature in the flask is controlled to be not higher than 10 ℃, after the triethylene tetramine and the tetraethylene pentamine are completely dissolved, epoxy chloropropane is slowly dripped by a constant pressure funnel, the reaction is continued for 30-90 minutes in a cold water bath after the dripping is finished, the ethanol solution of para-aminodiphenylamine is continuously dripped, the reaction is continued for 20-60 minutes after the dripping is finished, the temperature is raised to 60 ℃, the reaction is kept for 2 hours, the pH is regulated to 3-6 by adding acetic acid after the cooling to room temperature, and the reactive amino condensate is obtained by decompression distillation at 50 ℃.
4. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 3, wherein: the volume ratio of triethylene tetramine to tetraethylene pentamine is 1:1-1:3.
5. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 3, wherein: when the triethylene tetramine and the tetraethylene pentamine are dissolved in an ethanol solution, the ratio of the volume of the ethanol solution to the total volume of the triethylene tetramine and the tetraethylene pentamine is 1:1-2:1.
6. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 3, wherein: the volume of the epoxy chloropropane is 2 times of the total volume of triethylene tetramine and tetraethylene pentamine.
7. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 3, wherein: the mass fraction of the para-aminodiphenylamine in the ethanol solution of the para-aminodiphenylamine is 10% -50%.
8. A method for improving ozone fastness of indigo-dyed denim fabric as claimed in claim 1, wherein: the secondary amino organosilicon emulsion is a conventional industrial product, and the amine value is 0.4-0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310766179.0A CN116988325B (en) | 2023-06-27 | A method for improving the ozone fastness of indigo-dyed denim fabrics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310766179.0A CN116988325B (en) | 2023-06-27 | A method for improving the ozone fastness of indigo-dyed denim fabrics |
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| CN116988325A true CN116988325A (en) | 2023-11-03 |
| CN116988325B CN116988325B (en) | 2026-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119615648A (en) * | 2025-02-12 | 2025-03-14 | 江苏德利恒棉业有限公司 | Denim with ozone fastness and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948125A (en) * | 1997-05-20 | 1999-09-07 | Ciba Specialty Chemicals Corporation | Method of treating dyed, natural or synthetic polyamide fibre materials |
| WO2001023394A1 (en) * | 1999-09-28 | 2001-04-05 | Wacker-Chemie Gmbh | Organosilicon compounds with amido groups |
| US20150275423A1 (en) * | 2014-04-01 | 2015-10-01 | Randolph L. Finley | Ring dyed materials and method of making the same |
| KR20160035918A (en) * | 2014-09-24 | 2016-04-01 | 코오롱인더스트리 주식회사 | Artificial Leather with Improved Rubbing Fastness and Method for Manufacturing The Same |
| CN106633049A (en) * | 2016-12-06 | 2017-05-10 | 常州大学 | Vat dye ozone-proof fastness improver as well as preparation method and application thereof |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5948125A (en) * | 1997-05-20 | 1999-09-07 | Ciba Specialty Chemicals Corporation | Method of treating dyed, natural or synthetic polyamide fibre materials |
| WO2001023394A1 (en) * | 1999-09-28 | 2001-04-05 | Wacker-Chemie Gmbh | Organosilicon compounds with amido groups |
| US20150275423A1 (en) * | 2014-04-01 | 2015-10-01 | Randolph L. Finley | Ring dyed materials and method of making the same |
| KR20160035918A (en) * | 2014-09-24 | 2016-04-01 | 코오롱인더스트리 주식회사 | Artificial Leather with Improved Rubbing Fastness and Method for Manufacturing The Same |
| CN106633049A (en) * | 2016-12-06 | 2017-05-10 | 常州大学 | Vat dye ozone-proof fastness improver as well as preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐增荣;: "印染助剂的选用与纺织品色牢度", 印染助剂, no. 11, 20 November 2007 (2007-11-20) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119615648A (en) * | 2025-02-12 | 2025-03-14 | 江苏德利恒棉业有限公司 | Denim with ozone fastness and preparation method thereof |
| CN119615648B (en) * | 2025-02-12 | 2025-06-10 | 江苏德利恒棉业有限公司 | Ozone fastness jean and preparation method thereof |
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