CN117364480A - Dyeing anti-wrinkle and anti-UV cotton and cotton blended cellulose fiber fabrics and their dyeing and finishing processes - Google Patents
Dyeing anti-wrinkle and anti-UV cotton and cotton blended cellulose fiber fabrics and their dyeing and finishing processes Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/332—Di- or polyamines
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
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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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
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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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/828—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl groups
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
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Abstract
本发明提供了一种染色抗皱抗紫外棉及棉混纺纤维素纤维织物，未经丝光处理的棉及棉混纺纤维素纤维织物经过N1,N6‑双(环氧乙烷‑2‑基甲基)己烷‑1,6‑二胺处理和活性染料染色后，具备抗皱抗紫外性能。本发明还提供了该纤维素纤维织物的无甲醛染整工艺，包括下述步骤：配置N1,N6.‑双(环氧乙烷‑2‑基甲基)己烷‑1,6‑二胺交联剂溶液，将不丝光棉或者棉混纺纤维素纤维织物浸轧交联剂溶液，100℃烘干5min；再浸轧催化剂溶液，饱和蒸汽汽蒸；将织物洗涤、烘干；配置染色工作液，将织物浸轧染色工作液，饱和蒸汽汽蒸；将织物洗涤、烘干。本发明工艺简单易操作，成本低廉，所述织物在制备和后续使用过程中无甲醛释放。
The invention provides a dyed anti-wrinkle and anti-UV cotton and cotton blended cellulose fiber fabric. The unmercerized cotton and cotton blended cellulose fiber fabric are treated with N 1 , N 6 -bis(ethylene oxide -2-methylmethane) After treatment with hexane-1,6-diamine and dyeing with reactive dyes, it has anti-wrinkle and anti-UV properties. The invention also provides a formaldehyde-free dyeing and finishing process for the cellulose fiber fabric, which includes the following steps: configuring N 1 , N 6 .-bis(ethylene oxide-2-ylmethyl)hexane-1,6- For the diamine cross-linking agent solution, pad the non-mercerized cotton or cotton blended cellulose fiber fabric with the cross-linking agent solution and dry it at 100°C for 5 minutes; then pad the catalyst solution and steam with saturated steam; wash and dry the fabric; configure Dyeing working solution: pad the fabric with the dyeing working solution and steam with saturated steam; wash and dry the fabric. The process of the invention is simple, easy to operate and low in cost, and the fabric does not release formaldehyde during preparation and subsequent use.
Description
Technical Field
The invention relates to the field of textile dyeing and finishing, in particular to a dyed crease-resistant anti-ultraviolet cotton and cotton blended cellulose fiber fabric and a dyeing and finishing process thereof.
Background
The cellulose fiber has excellent flexibility, air permeability and moisture permeability, wearing comfort and biodegradability, and is deeply favored by consumers. However, cellulose fiber fabrics have poor elasticity and are easy to crease, and meanwhile, the cellulose fiber fabrics have poor ultraviolet resistance, and the aesthetic property and the practicability of the cellulose fiber fabrics in the taking process are seriously affected by the cellulose fiber fabrics.
The anti-ultraviolet performance of the fabric is generally achieved by adding a polymer coating on the surface of the fabric to improve the reflection capability of ultraviolet rays. In addition, the harm to human skin caused by ultraviolet radiation is reduced by adding a plurality of compounds capable of absorbing ultraviolet radiation. In order to improve the crease resistance of the cellulose fabric, people firstly use N-hydroxymethyl compounds such as dihydroxyethylene dimethylol urea (DMDHEU) and the like as finishing agents to carry out crease resistance finishing on the cellulose fabric, so that the fabric has excellent crease resistance effect, but formaldehyde is continuously released in the treatment and later wearing processes, and the damage to human bodies is extremely large. In order to solve the problem of formaldehyde release, researchers begin to develop formaldehyde-free anti-wrinkle crosslinking agents mainly comprising polycarboxylic acids, dialdehydes, alkalis, sugar-based polyaldehydes and the like to replace crosslinking agents containing formaldehyde, and realize zero formaldehyde release from the source of anti-wrinkle finishing. The cross-linking agents enter the amorphous region of the fiber in a small molecular form, and are subjected to covalent reaction with hydroxyl groups on adjacent macromolecular chains through a plurality of active groups, so that a cross-linking structure is formed in the fiber, acting force among the molecular chains is improved, relative sliding of the macromolecular chains is limited, and further the crease resistance of the cellulose fiber fabric is improved. However, since hydroxyl groups on the macromolecular chains of the fibers are consumed in a large amount, dyeing performance of the fabric is lowered in the subsequent dyeing process. In journal, "journal of textile science", volume 44-2, it is reported that the use of a double reactive group dye as a "special cross-linking agent" for dyeing a fabric results in a fabric having both good anti-wrinkle properties and dyeability, but the method is relatively demanding in terms of dye structure, and only a double reactive group dye is used, and a high concentration of dye is additionally required to achieve good anti-wrinkle properties. In journal "applied sciences" 2021-11-4641, it is reported that the oxidized sucrose and oxidized raffinose prepared by the potassium permanganate partial oxidation method are used as polyhydroxy crosslinking agents to carry out crease-resist finishing on cotton fabrics, so that the dyeing performance of the cotton fabrics is improved, but the oxidation process of the method is complex, the oxidation degree is not easy to control, and the process cost is too high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a dyed crease-resistant anti-ultraviolet cotton and cotton blended cellulose fiber fabric and a dyeing and finishing process thereof. By means of formaldehyde-free epoxide compounds N 1 ,N 6 The crosslinking of the bis (ethylene oxide-2-ylmethyl) hexane-1, 6-diamine inside and outside the fiber improves the crease resistance and the ultraviolet resistance of the fabric, simultaneously maintains the dyeing property of the finished fabric through the amine group and the hydroxyl generated by the ring opening reaction, and can improve the ultraviolet resistance of the fabric again by adding the dye. In addition, the fabric does not need mercerization, so that the use of a large amount of concentrated caustic soda in the mercerization process is reduced, the green development concept is met, the formaldehyde-free dyeing and finishing process is simple and easy to operate, the cost is low, and certain economic and environmental benefits are achieved.
One of the objects of the present invention is: provides a dyed crease-resistant anti-ultraviolet cotton and cotton blended cellulose fiber fabric, which is not mercerized cotton or cotton blended cellulose fiber fabric, is subjected to N 1 ,N 6 After treatment of bis (ethylene oxide-2-ylmethyl) hexane-1, 6-diamine and dyeing of reactive dyes, the fabric has anti-wrinkle and anti-ultraviolet properties, the crease recovery angle range of the fabric is 140-240 degrees, and the numerical range of ultraviolet protection coefficients is 30-500. And the cellulose fiber fabric has no formaldehyde release in the preparation and subsequent use processes.
The second object of the present invention is: the dyeing and finishing process of the cotton and cotton blended cellulose fiber fabric comprises the following steps:
(1) Placing the cross-linking agent into an aqueous solution, wherein the concentration range of the cross-linking agent is 1-150 g/L, and uniformly stirring to obtain a cross-linking agent solution;
(2) Padding cotton and cotton blend cellulose fiber fabric with the cross-linking agent solution;
(3) Drying the fabric treated in the step (2) at 100 ℃ for 5min;
(4) Padding the fabric treated in the step (3) with a catalyst;
(5) Placing the fabric treated in the step (4) in saturated steam;
(6) Washing the fabric treated in the step (5) for 180s in hot water at 50-60 ℃ according to cold water, using 2g/L standard soap chips to carry out soaping for 900s in hot water at 100 ℃, washing for 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Respectively preparing a reactive dye solution and a fixation alkali solution, and uniformly mixing the reactive dye solution and the fixation alkali solution to obtain a dyeing working solution;
(8) Padding the fabric treated in the step (6) with the dyeing working solution;
(9) Placing the fabric treated in the step (8) in saturated steam;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
Wherein:
the cross-linking agent in step (1) is N 1 ,N 6 -bis (oxiran-2-ylmethyl) hexane-1, 6-diamine.
And (3) the rolling allowance in the step (2) is 60-100%.
The rolling allowance rate range in the step (4) is 80-120%; the catalyst is one or the combination of sodium hydroxide, sodium carbonate, sodium bicarbonate, potassium hydroxide, sodium silicate and sodium dihydrogen phosphate; the pH range of the catalyst is 7-13.
And (5) steaming for 10-900 s.
The reactive dye in the step (7) is one or a combination of more of reactive dyes containing vinyl sulfone reactive groups, reactive dyes containing monochloro-s-triazine reactive groups, reactive dyes containing dichloro-s-triazine reactive groups, and double or multi-reactive group reactive dyes containing vinyl sulfone reactive groups and monochloro-s-triazine reactive groups; the color-fixing alkaline agent comprises one or a combination of sodium hydroxide, sodium carbonate, sodium bicarbonate, potassium hydroxide, sodium silicate and sodium dihydrogen phosphate; the concentration range of the reactive dye is 1-100 g/L; the concentration of the color-fixing alkaline agent is 10-40 g/L.
And (3) the rolling allowance in the step (8) is 60-100%.
And (3) steaming for 10-900 s in the step (9).
By adopting the technical scheme, the method has the following beneficial effects:
(1) The dyed crease-resistant anti-ultraviolet cotton and cotton blended cellulose fiber fabric disclosed by the invention has the advantages that the cellulose fiber fabric which is not subjected to mercerization treatment does not undergo a mercerization process flow, the harm of concentrated caustic soda dyeing and finishing wastewater to the environment is reduced, and the environment-friendly development concept is met;
(2) The dyed crease-resistant and ultraviolet-resistant cotton and cotton blended cellulose fiber fabric has excellent crease-resistant and ultraviolet-resistant effects, and the fabric still keeps good dyeing property;
(3) In the invention, the cotton and cotton blended cellulose fiber fabric has no formaldehyde release in the preparation and subsequent use processes, so that the fabric is more environment-friendly;
(4) The dyeing and finishing process of the dyed crease-resistant ultraviolet-resistant cotton and cotton blended cellulose fiber fabric solves the problems that the cellulose fiber fabric is easy to crease and poor in ultraviolet-resistant performance, and meanwhile good dyeing property of the cellulose fiber fabric is maintained. In addition, the process is simple and easy to operate, has low cost and has certain economic and environmental benefits.
Drawings
FIG. 1 is a scanning electron microscope image of the surface of the fabric of comparative example 1 and example 14, wherein a1 is a 2000 x scanning electron microscope image of the surface of the fabric of comparative example 1; b1 is a 2000 x scanning electron microscope image of the surface of the fabric of example 14; a2 is a 5000 Xscanning electron microscope image of the surface of the fabric of comparative example 1; b2 is a 5000 Xscanning electron microscope image of the surface of the fabric of example 14.
Description of the embodiments
This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Instead, this is providedSuch embodiments will so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims. The crosslinkers in the following examples and comparative examples are both N 1 ,N 6 -bis (oxiran-2-ylmethyl) hexane-1, 6-diamine.
Example 1
A dyeing and finishing process for dyeing crease-resistant and ultraviolet-resistant cotton fiber fabric comprises the following steps:
(1) Placing 1g of cross-linking agent into 100ml of water solution, and uniformly stirring to obtain 10g/L cross-linking agent solution;
(2) Performing twice padding and twice rolling on cotton fiber fabrics in a cross-linking agent solution, and controlling the rolling residual rate to be 80%;
(3) Drying the fabric padded with the cross-linking agent solution at 100 ℃ for 5min;
(4) Performing double-soaking and double-rolling on the dried fabric in sodium hydroxide solution, wherein the rolling surplus rate is controlled to be 100%, and the pH value of the sodium hydroxide solution is 10;
(5) Reacting the fabric padded with the sodium hydroxide solution in normal pressure saturated steam for 300 seconds;
(6) Washing the steamed fabric for 180s in hot water at 50-60 ℃ according to cold water, soaping 900s in hot water at 100 ℃ by using 2g/L standard soap chips, washing 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Respectively preparing active red 195 and a compound alkali solution of sodium hydroxide and sodium carbonate, and uniformly mixing the active red 195 and the compound alkali solution of sodium hydroxide and sodium carbonate to obtain the dyeing working solution. Wherein, the concentration of the active red 195 is 20g/L, the concentration of sodium hydroxide is 5g/L, and the concentration of sodium carbonate is 20g/L;
(8) Padding the fabric treated in the step (6) with the dyeing working solution, wherein the padding ratio is 100%;
(9) Steaming the fabric treated in the step (8) in saturated steam for 180 seconds;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
The dyed crease-resistant and ultraviolet-resistant cotton fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 176.3 degrees, the ultraviolet-resistant UPF value is 348.43, and the dyed crease-resistant and ultraviolet-resistant cotton fabric has excellent crease-resistant performance; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.74.
Example 2
According to example 1, step (1) was changed to change the 10g/L crosslinker solution to 20g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and ultraviolet-resistant cotton fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 187.5 degrees, the ultraviolet-resistant UPF value is 430.25, and the dyed crease-resistant and ultraviolet-resistant cotton fabric has excellent crease-resistant performance; in addition, the fabric after treatment with the crosslinker and dyeing with 20g/L reactive red 195 had a K/S value of 6.63.
Example 3
According to example 1, step (1) was changed to change the 10g/L crosslinker solution to 40g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and ultraviolet-resistant cotton fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 194.6 degrees, the ultraviolet-resistant UPF value is 445.36, and the dyed crease-resistant and ultraviolet-resistant cotton fabric has excellent crease-resistant performance; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.68.
Example 4
According to example 1, step (1) was changed to change the 10g/L crosslinker solution to 60g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and ultraviolet-resistant cotton fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 204.6 degrees, the ultraviolet-resistant UPF value is 458.74, and the dyed crease-resistant and ultraviolet-resistant cotton fabric has excellent crease-resistant performance; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.92.
Example 5
According to example 1, step (1) was changed to change the 10g/L crosslinker solution to 80g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and ultraviolet-resistant cotton fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 205.2 degrees, the ultraviolet-resistant UPF value is 498.39, and the dyed crease-resistant and ultraviolet-resistant cotton fabric has excellent crease-resistant performance; in addition, the fabric had a K/S value of 6.70 after treatment with the crosslinker and 20g/L reactive red 195 dyeing.
Example 6
A dyeing and finishing process for dyeing crease-resistant and ultraviolet-resistant cotton/tencel blended cellulose fiber fabric comprises the following steps:
(1) Placing 1g of cross-linking agent into 100ml of water solution, and uniformly stirring to obtain 10g/L cross-linking agent solution;
(2) Performing secondary soaking and secondary rolling on cotton/tencel blended cellulose fiber fabric in a cross-linking agent solution, and controlling the rolling residual rate to be 80%;
(3) Drying the fabric padded with the cross-linking agent solution at 100 ℃ for 5min;
(4) Performing double-soaking and double-rolling on the dried fabric in sodium hydroxide solution, wherein the rolling surplus rate is controlled to be 100%, and the pH value of the sodium hydroxide solution is 10;
(5) Reacting the fabric padded with the sodium hydroxide solution in normal pressure saturated steam for 300 seconds;
(6) Washing the steamed fabric for 180s in hot water at 50-60 ℃ according to cold water, soaping 900s in hot water at 100 ℃ by using 2g/L standard soap chips, washing 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Respectively preparing active red 195 and a compound alkali solution of sodium hydroxide and sodium carbonate, and uniformly mixing the active red 195 and the compound alkali solution of sodium hydroxide and sodium carbonate to obtain the dyeing working solution. Wherein, the concentration of the active red 195 is 20g/L, the concentration of sodium hydroxide is 5g/L, and the concentration of sodium carbonate is 20g/L;
(8) Padding the fabric treated in the step (6) with the dyeing working solution, wherein the padding ratio is 100%;
(9) Steaming the fabric treated in the step (8) in saturated steam for 180 seconds;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
The dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 172.6 degrees, the ultraviolet resistance UPF value is 300.02, and the dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric had a K/S value of 5.90 after treatment with the crosslinker and 20g/L reactive red 195 dyeing.
Example 7
According to example 6, step (1) was changed to change the 10g/L crosslinker solution to 20g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 183.3 degrees, the ultraviolet resistance UPF value is 340.72, and the dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric had a K/S value of 5.78 after treatment with the crosslinker and 20g/L reactive red 195 dyeing.
Example 8
According to example 6, step (1) was changed to change 10g/L of the crosslinker solution to 40g/L of the crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 194.5 degrees, the ultraviolet resistance UPF value is 380.53, and the dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 5.92.
Example 9
According to example 6, step (1) was changed to change 10g/L of the crosslinker solution to 60g/L of the crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 203.7 degrees, the ultraviolet resistance UPF value is 420.37, and the dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 5.81.
Example 10
According to example 6, step (1) was changed to change the 10g/L crosslinker solution to 80g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 204 degrees, the ultraviolet resistance UPF value is 430.58, and the dyed crease-resistant and anti-ultraviolet cotton/tencel blended cellulose fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric, after treatment with the crosslinker and dyeing with 20g/L reactive red 195, had a K/S value of 5.69.
Example 11
A dyeing and finishing process for dyeing crease-resistant and ultraviolet-resistant cotton/modal blended cellulose fiber fabric comprises the following steps:
(1) Placing 1g of cross-linking agent into 100ml of water solution, and uniformly stirring to obtain 10g/L cross-linking agent solution;
(2) Performing double soaking and double rolling on cotton/modal blended cellulose fiber fabric in a cross-linking agent solution, and controlling the rolling residual rate to be 80%;
(3) Drying the fabric padded with the cross-linking agent solution at 100 ℃ for 5min;
(4) Performing double-soaking and double-rolling on the dried fabric in sodium hydroxide solution, wherein the rolling surplus rate is controlled to be 100%, and the pH value of the sodium hydroxide solution is 10;
(5) Reacting the fabric padded with the sodium hydroxide solution in normal pressure saturated steam for 300 seconds;
(6) Washing the steamed fabric for 180s in hot water at 50-60 ℃ according to cold water, soaping 900s in hot water at 100 ℃ by using 2g/L standard soap chips, washing 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Respectively preparing active red 195 and a compound alkali solution of sodium hydroxide and sodium carbonate, and uniformly mixing the active red 195 and the compound alkali solution of sodium hydroxide and sodium carbonate to obtain the dyeing working solution. Wherein, the concentration of the active red 195 is 20g/L, the concentration of sodium hydroxide is 5g/L, and the concentration of sodium carbonate is 20g/L;
(8) Padding the fabric treated in the step (6) with the dyeing working solution, wherein the padding ratio is 100%;
(9) Steaming the fabric treated in the step (8) in saturated steam for 180 seconds;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
The dyed crease-resistant and anti-ultraviolet cotton/modal blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 184.4 degrees, the ultraviolet resistance UPF value is 312.69, and the dyed crease-resistant and anti-ultraviolet fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric had a K/S value of 6.24 after treatment with the crosslinker and 20g/L reactive red 195 dyeing.
Example 12
According to example 11, step (1) was changed to change the 10g/L crosslinker solution to 20g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/modal blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 191 degrees, the ultraviolet resistance UPF value is 426.96, and the dyed crease-resistant and anti-ultraviolet fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.48.
Example 13
According to example 11, step (1) was changed to change 10g/L of the crosslinker solution to 40g/L of the crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/modal blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 205.6 degrees, the ultraviolet resistance UPF value is 439.07, and the dyed crease-resistant and anti-ultraviolet fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.42.
Example 14
According to example 11, step (1) was changed to change 10g/L of the crosslinker solution to 60g/L of the crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/modal blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 207 degrees, the ultraviolet resistance UPF value is 439.17, and the dyed crease-resistant and anti-ultraviolet fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and 20g/L reactive red 195 dyeing had a K/S value of 6.13.
Example 15
According to example 11, step (1) was changed to change the 10g/L crosslinker solution to 80g/L crosslinker solution, with the other conditions unchanged.
The dyed crease-resistant and anti-ultraviolet cotton/modal blended cellulose fiber fabric is obtained through the process steps, the crease recovery angle of the fabric can reach 206 degrees, the ultraviolet resistance UPF value is 483.86, and the dyed crease-resistant and anti-ultraviolet fiber fabric has excellent crease-resistant and anti-ultraviolet properties; in addition, the fabric after treatment with the crosslinker and dyeing with 20g/L reactive red 195 had a K/S value of 6.31.
Comparative example 1
A dyeing and finishing process of cotton/Modal blended cellulose fiber fabric comprises the following steps:
(1) Preparing 100ml of an aqueous solution containing no crosslinking agent;
(2) Performing twice padding on cotton/modal blended cellulose fiber fabric in an aqueous solution without a cross-linking agent, and controlling the padding residual rate to be 80%;
(3) Drying the fabric which is padded with the water solution without the cross-linking agent for 5min at 100 ℃;
(4) Performing double-soaking and double-rolling on the dried fabric in sodium hydroxide solution, wherein the rolling surplus rate is controlled to be 100%, and the pH value of the sodium hydroxide solution is 10;
(5) Reacting the fabric padded with the sodium hydroxide solution in normal pressure saturated steam for 300 seconds;
(6) Washing the steamed fabric for 180s in hot water at 50-60 ℃ according to cold water, soaping 900s in hot water at 100 ℃ by using 2g/L standard soap chips, washing 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Preparing a compound alkali liquor of sodium hydroxide and sodium carbonate, and uniformly mixing the two. Wherein, the concentration of sodium hydroxide is 5g/L, and the concentration of sodium carbonate is 20g/L;
(8) Padding the fabric treated in the step (6) with the alkali liquor, wherein the padding residual rate is 100%;
(9) Steaming the fabric treated in the step (8) in saturated steam for 180 seconds;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
Comparative example 2
According to comparative example 1, the procedure (1) was changed to prepare 100ml of an aqueous solution, and 60g/L of an aqueous solution of a crosslinking agent was prepared, with the other conditions unchanged.
Comparative example 3
According to comparative example 1, the step (7) is changed, and the compound alkali liquor prepared by sodium hydroxide and sodium carbonate is changed into the compound alkali liquor prepared by active red 195 dye liquor and sodium hydroxide and sodium carbonate, wherein the concentration of the active red 195 is 20g/L, the concentration of the sodium hydroxide is 5g/L, and the concentration of the sodium carbonate is 20g/L. Other conditions were unchanged.
The crease recovery angle of the treated fabrics of the different comparative examples and examples was tested with a YG541L digital fabric wrinkle resistance elastometer, with reference to GB/T3819-1997 standard. The same fabric was tested 6 times and averaged.
The dyed fabric was tested at a 10 ° viewing angle using a Datacolor850 spectrocolorimeter with a D65 light source and a 30mm color aperture at any 8 points and averaged.
The ultraviolet resistance of the different comparative and example treated fabrics was tested using a YG909-III type textile ultraviolet resistance instrument. Ultraviolet Protection Factor (UPF), ultraviolet radiation a (UVA) and ultraviolet radiation B (UVB) were obtained for each sample, and each sample was tested five times and averaged.
Table 1 examples 1-5 treatment of fabric crease recovery angle,K/SAnd UPF value
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Fold return angle | 176.3° | 187.5° | 194.6° | 204.6° | 205.2° |
| K/S | 6.74 | 6.63 | 6.68 | 6.92 | 6.70 |
| UPF | 348.43 | 430.25 | 445.36 | 458.74 | 498.39 |
As can be seen from the data in Table 1, as the concentration of the crosslinking agent increases, the wrinkle recovery angle of the fabric increases continuously, and at a crosslinking agent concentration of 60g/L, the fabric can obtain the best wrinkle resistance, the wrinkle recovery angle of the fabric reaches 204.6 degrees, and the change of the wrinkle recovery angle of the fabric is not obvious when the concentration of the crosslinking agent increases continuously. Dyeing fabrics treated with different concentrations of cross-linking agentK/SThe values are substantially consistent, indicating that the cross-linking agent does not have an effect on the color depth of the fabric. The fabrics treated in examples 1-5 had excellent uv resistance up to 498.39.
Table 2 examples 6-10 treatment of fabric crease recovery angle,K/SAnd UPF value
| Example 6 | Example 7 | Example 8 | Example 9 | Example 10 | |
| Fold return angle | 172.6° | 183.3° | 194.5° | 203.7° | 204° |
| K/S | 5.90 | 5.78 | 5.92 | 5.81 | 5.69 |
| UPF | 300.02 | 340.72 | 380.53 | 420.37 | 430.58 |
As can be seen from the data in Table 2, the concentration of the crosslinking agent increasesIn addition, the crease recovery angle of the fabric is continuously increased, when the concentration of the cross-linking agent is 60g/L, the fabric can obtain the best crease-resistant effect, the crease recovery angle of the fabric reaches 203.7 degrees, the concentration of the cross-linking agent is continuously increased, and the crease recovery angle of the fabric is not increased any more. Dyeing fabrics treated with different concentrations of cross-linking agentK/SThere was no significant difference in values, indicating that the cross-linking agent did not affect the color depth of the fabric. The fabrics treated in examples 6-10 have excellent uv resistance, and the fabrics treated with different concentrations of cross-linking agent have UPF values of up to 300 or more.
Table 3 examples 11-15 treatment of fabric fold recovery angle
| Example 11 | Example 12 | Example 13 | Example 14 | Example 15 | |
| Fold return angle | 184.4° | 191° | 205.6° | 207° | 206° |
As can be seen from the data in Table 3, as the concentration of the crosslinking agent increases, the wrinkle recovery angle of the fabric increases, and at a crosslinking agent concentration of 60g/L, the fabric can achieve the best wrinkle resistance, the wrinkle recovery angle of the fabric reaches 207 degrees, the concentration of the crosslinking agent is continuously increased, and the change of the wrinkle recovery angle of the fabric is not obvious.
Table 4 color index of treated fabrics of examples 11-15
| L* | a* | b* | C* | h° | K/S | |
| Example 11 | 50.04 | 55.19 | -5.68 | 55.48 | 354.13 | 6.17 |
| Example 12 | 49.19 | 54.98 | -5.61 | 55.27 | 354.18 | 6.48 |
| Example 13 | 49.08 | 54.50 | -5.90 | 54.82 | 353.82 | 6.42 |
| Example 14 | 49.66 | 54.32 | -6.04 | 54.65 | 353.65 | 6.13 |
| Example 15 | 49.14 | 54.29 | -6.02 | 54.62 | 353.67 | 6.31 |
From the data in Table 4, it can be seen that the color index of the fabric dyed with different concentrations of the crosslinking agent was substantially uniform, indicating that the crosslinking agent did not affect the color index of the fabric.
Table 5 UVA (%), UVB (%) and UPF values for the treated fabrics of examples 11-15
| Example 11 | Example 12 | Example 13 | Example 14 | Example 15 | |
| UVA（%） | 0.33 | 0.31 | 0.30 | 0.28 | 0.26 |
| UVB（%） | 0.24 | 0.22 | 0.21 | 0.22 | 0.19 |
| UPF | 412.69 | 426.96 | 439.07 | 439.17 | 483.86 |
As can be seen from the data in Table 5, the fabrics treated in examples 11-15 have excellent UV resistance, with UVA and UVB both below 0.5 and up to 400+ UPF.
The surface and cross section of the treated fabric of the different comparative examples or examples were scanned using a scanning electron microscope to observe the morphological changes.
FIG. 1 is a scanning electron microscope image of the surface of various fabrics, where a is the fabric treated in comparative example 1; b is the fabric treated in example 14, 1 times 2000; 2 is 5000 times.
As can be seen from FIG. 1, the cotton and modal fiber surfaces treated in comparative example 1 were relatively smooth, and the modal fiber surfaces had several relatively pronounced grooves. The cotton and modal fiber surfaces treated in example 14 were no longer smooth and had a polymer film-like structure, the ravines on the modal fiber surfaces were filled with polymer film, the ravines were no longer apparent, and the fiber surfaces became rough. The cross-linking agent is proved to have polymerization reaction under the conditions of alkali and high temperature, so that a polymer film structure is formed and fixed on the surface of the fiber, ultraviolet rays can be reflected to a certain extent, and the ultraviolet resistance of the fabric is improved.
Table 6 the crease recovery angles of the treated fabrics of comparative examples 1-3 and example 14,K/Svalues and UPF values
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Example 14 | |
| Fold return angle | 151° | 204.2° | 164° | 207° |
| K/S | - | - | 6.00 | 6.13 |
| UPF | 26.21 | 46.05 | 385.57 | 439.17 |
From the data in Table 6, the fabric treated in example 14 achieved a crease recovery angle of 207℃and a K/S value of 6.13 and a UPF of 439.17, both of which were higher than those of the fabrics treated in comparative examples 1-3, indicating excellent crease and UV resistance of the fabric after treatment with the cross-linker and dye. Example 14 treatment of fabricsK/SThe value was 6.13, which is higher than the fabric treated in comparative example 3, indicating that the crosslinking agent did not affect the color depth of the fabric, and that the fabric remained well colored. The UPF values of the fabrics treated in comparative examples 2 and 3 are higher than those of the fabrics treated in comparative example 1 and lower than those of the fabrics treated in example 14, because the polymer film formed on the surface of the fiber by the crosslinking agent can improve the ultraviolet resistance of the fabrics, and the benzene ring structure on the reactive red 195 dye can absorb ultraviolet rays, so that the combination of the crosslinking agent and the dye can endow the fabrics with excellent ultraviolet resistance.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The dyed crease-resistant and ultraviolet-resistant cotton and cotton blended cellulose fiber fabric is characterized in that: mercerized cotton and cotton blended cellulose fiber fabric is subjected to N 1 ,N 6 After treatment of bis (ethylene oxide-2-ylmethyl) hexane-1, 6-diamine and dyeing with reactive dyes, the fabric has anti-wrinkle and anti-ultraviolet properties, the crease recovery angle of the cellulose fiber fabric ranges from 140 DEG to 240 DEG, and the numerical range of the ultraviolet protection coefficient is 30-500.
2. The cotton and cotton blend cellulosic fiber fabric of claim 1, wherein the fabric is free of formaldehyde emissions during preparation and subsequent use.
3. Dyeing and finishing process of cotton and cotton blend cellulose fiber fabric according to claim 1, characterized in that it comprises the following steps:
(1) Preparing a cross-linking agent solution: dissolving 1-150 g/L of cross-linking agent in water, and uniformly stirring to obtain a cross-linking agent solution;
(2) Padding cotton and cotton blended cellulose fiber fabric which is not subjected to mercerization with a cross-linking agent solution;
(3) Drying the fabric treated in the step (2) at 100 ℃ for 5min;
(4) Padding the fabric treated in the step (3) with a catalyst solution;
(5) Steaming the fabric treated in the step (4) in saturated steam;
(6) Washing the fabric treated in the step (5) for 180s in hot water at 50-60 ℃ according to cold water, using 2g/L standard soap chips to carry out soaping for 900s in hot water at 100 ℃, washing for 180s in hot water at 70-80 ℃, washing with cold water, and drying;
(7) Preparing a reactive dye solution and a fixation alkaline agent solution respectively, and uniformly mixing the reactive dye solution and the fixation alkaline agent solution to obtain a dyeing working solution;
(8) Padding the fabric treated in the step (6) with a dyeing working solution;
(9) Steaming the fabric treated in the step (8) in saturated steam;
(10) And (3) treating the fabric treated in the step (9) according to the step (6).
4. A dyeing and finishing process for cotton and cotton blended cellulose fiber fabric according to claim 3, wherein the crosslinking agent in step (1) is N 1 ,N 6 -bis (oxiran-2-ylmethyl) hexane-1, 6-diamine.
5. The dyeing and finishing process of cotton and cotton blended cellulose fiber fabric according to claim 3, wherein the padding cross-linking agent solution in the step (2) has a padding residual rate ranging from 60% to 100%.
6. The dyeing and finishing process of cotton and cotton blended cellulose fiber fabric according to claim 3, wherein the padding catalyst solution in the step (4) has a padding residual rate ranging from 80 to 120%; the catalyst is one or the combination of sodium hydroxide, sodium carbonate, sodium bicarbonate, potassium hydroxide, sodium silicate and sodium dihydrogen phosphate; the pH range of the catalyst solution is 7-13.
7. The dyeing and finishing process of cotton and cotton blended cellulose fiber fabric according to claim 3, wherein the steaming time in the step (5) ranges from 10 to 900s.
8. The dyeing and finishing process of cotton and cotton blend cellulose fiber fabric according to claim 3, wherein the reactive dye in the step (7) is one or a combination of several of vinyl sulfone reactive group-containing reactive dye, monochloro-s-triazine reactive group-containing reactive dye, dichloro-s-triazine reactive group-containing reactive dye, vinyl sulfone reactive group-containing and monochloro-s-triazine reactive group-containing double or multi-reactive group reactive dye; the color-fixing alkaline agent is one or a combination of sodium hydroxide, sodium carbonate, sodium bicarbonate, potassium hydroxide, sodium silicate and sodium dihydrogen phosphate; the concentration range of the reactive dye solution is 1-100 g/L; the concentration of the fixation alkaline agent solution is 10-40 g/L.
9. The dyeing and finishing process of cotton and cotton blended cellulose fiber fabric according to claim 3, wherein the padding and dyeing working solution in the step (8) has a padding residual rate ranging from 60% to 100%.
10. The dyeing and finishing process of cotton and cotton blend cellulose fiber fabric according to claim 3, wherein the steaming time in the step (9) ranges from 10 to 900s.
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