CN116289198B - Preparation method of tencel cotton interwoven fabric and interwoven fabric - Google Patents
Preparation method of tencel cotton interwoven fabric and interwoven fabric Download PDFInfo
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- CN116289198B CN116289198B CN202310083583.8A CN202310083583A CN116289198B CN 116289198 B CN116289198 B CN 116289198B CN 202310083583 A CN202310083583 A CN 202310083583A CN 116289198 B CN116289198 B CN 116289198B
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- 239000004744 fabric Substances 0.000 title claims abstract description 264
- 229920000742 Cotton Polymers 0.000 title claims abstract description 158
- 229920000433 Lyocell Polymers 0.000 title claims abstract description 110
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 51
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- 238000001035 drying Methods 0.000 claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000012224 working solution Substances 0.000 claims abstract description 37
- 238000005406 washing Methods 0.000 claims abstract description 36
- 102000004190 Enzymes Human genes 0.000 claims abstract description 27
- 108090000790 Enzymes Proteins 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 108010013296 Sericins Proteins 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 25
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007493 shaping process Methods 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000007781 pre-processing Methods 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 126
- 239000003513 alkali Substances 0.000 claims description 102
- 230000008569 process Effects 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 230000001153 anti-wrinkle effect Effects 0.000 abstract description 9
- 230000014759 maintenance of location Effects 0.000 abstract description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 238000005517 mercerization Methods 0.000 description 7
- 239000004753 textile Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
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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
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- 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
- D06M11/40—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table combined with, or in absence of, mechanical tension, e.g. slack mercerising
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts 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
- D06M13/322—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
- D06M13/368—Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
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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
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/15—Proteins 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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention provides a preparation method of tencel cotton interweaved fabric and interweaved fabric, which comprises the following steps: s1, mercerizing cotton yarn; s2, preparing an interweaved fabric: taking tencel yarns as warp yarns, and taking the mercerized cotton yarns as weft yarns, and interweaving to obtain interweaved fabric; s3, preprocessing the interweaved fabric: mixing purified cotton enzyme, hydrogen peroxide and water to prepare working solution, padding the working solution, stacking the padded interweaved fabric at 25-45 ℃ for 18-24 hours, washing with water, and drying to obtain a pretreated interweaved fabric; s4, mercerizing the interweaved fabric; s5, crease-resistant finishing: and adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent into water to prepare an anti-wrinkle finishing liquid, padding the anti-wrinkle finishing liquid, and then drying and shaping the padding liquid to obtain the tencel interwoven fabric. The tencel cotton interweaved fabric prepared by the method has the advantages of excellent crease resistance, easiness in treatment, soft hand feeling, high strength retention rate and good hydrophilicity.
Description
Technical Field
The invention relates to the technical field of textile, in particular to a preparation method of tencel interwoven fabric and the interwoven fabric.
Background
The tencel fiber is an artificial cellulose fiber, the raw material of which is cotton pulp or wood pulp, belongs to renewable resources, and can be degraded in a short time after being abandoned. The solvent in the production process can be recycled, no waste liquid is discharged, the process is simple, the flow is short, and the resource is saved. The fiber section of the tencel is round, the surface is smooth, the crystallinity is high, the orientation degree of a crystallization area is high, and the molecular arrangement is compact; under the dry and wet conditions, the stability and the strength of the fabric are obviously better than those of common viscose fibers, and the fabric containing tencel shows good dimensional stability. However, due to the high crystallization and high orientation degree structure of the tencel fiber, the fiber only expands perpendicularly to the axial direction after absorbing water under wet condition, and fibrillation phenomenon is easy to occur under the action of friction force.
Because of the characteristics of cool tencel, good sagging feel and high strength, various textiles are often manufactured by interweaving the tencel with other fibers or by interweaving the tencel with other fibers, wherein the tencel cotton fabric is widely applied. However, the tencel fabric has the advantages of high strength and good moisture absorption and air permeability, and meanwhile has the defect that the cellulose fiber fabric is easy to wrinkle. The crease-resistant finishing of the pure cotton fabric is mature, but the conventional crease-resistant finishing of the pure cotton is not suitable for the tencel fabric due to the chemical property difference of the tencel and the cotton fiber.
Disclosure of Invention
The invention aims to provide a preparation method of a tencel cotton interweaved fabric and the interweaved fabric, so as to solve the problems that the tencel cotton interweaved fabric is easy to wrinkle and difficult to manage.
In order to meet the technical purposes and related technical purposes, the invention provides a preparation method of tencel interwoven fabric, which comprises the following steps:
S1, mercerizing cotton yarn: treating cotton yarn with alkali liquor, then washing with water, and drying to obtain mercerized cotton yarn;
s2, preparing an interweaved fabric: taking tencel yarns as warp yarns, and taking the mercerized cotton yarns as weft yarns, and interweaving to obtain interweaved fabric;
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme, hydrogen peroxide and water to prepare working solution, adjusting the pH value of the working solution to 9.5-11, padding the interweaved fabric by using the working solution, stacking the padded interweaved fabric at 25-45 ℃ for 18-24 hours, washing with water, and drying to obtain the pretreated interweaved fabric;
s4, mercerizing the interweaved fabric: treating the pretreated interweaved fabric with alkali liquor, then cleaning with water, and drying to obtain mercerized interweaved fabric;
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent into water to prepare crease-resistant finishing liquid, padding the mercerized interweaved fabric with the crease-resistant finishing liquid, and then drying and shaping to obtain the tencel interwoven fabric.
In an example of the preparation method of the tencel interwoven fabric, in the step S1, the alkali liquor is sodium hydroxide solution, and the content of sodium hydroxide in the alkali liquor is 250-300 g/L.
In an example of the method for preparing the tencel interwoven fabric, in the step S1, the temperature of the alkali liquor is 25-40 ℃, and the treatment time of the alkali liquor on the cotton yarn is 100-140S.
In an example of the method for preparing the tencel interwoven fabric, in the step S1, cotton yarns are washed with water at 60-80 ℃ and then washed with water at 30-50 ℃.
In an example of the method for preparing the tencel interwoven fabric, in the step S1, the cotton yarn in the mercerizing process is stretched, and the elongation length of the stretched cotton yarn is 1-3%.
In an example of the method for producing the tencel interwoven fabric of the present invention, in the step S2, the warp yarn is mercerized cotton yarn with a count of 40 to 80S, and the weft yarn is tencel yarn with a count of 40 to 80S.
In an example of the method for producing the tencel interwoven fabric of the present invention, in the step S2, the density of the warp yarns is 144 to 200 yarns/inch, and the density of the weft yarns is 90 to 140 yarns/inch.
In an example of the preparation method of the tencel interwoven fabric, in the step S3, the adding amount of the purified cotton enzyme in the working solution is 25-35 g/L, and the adding amount of the hydrogen peroxide is 40-65 g/L.
In an example of the preparation method of the tencel interwoven fabric, the purified cotton enzyme is purified cotton enzyme GXI, and the concentration of the hydrogen peroxide is 25-30%.
In an example of the method for preparing the tencel interwoven fabric, in the step S3, padding is performed one by one, and in the padding process, the liquid carrying rate of the interwoven fabric is 80-120%.
In an example of the method for preparing the tencel interwoven fabric, in the step S3, the interwoven fabric after padding is firstly washed by water at 85-98 ℃ and then washed by water at 30-40 ℃.
In an example of the method for preparing the tencel interwoven fabric, in the step S4, the alkali solution comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 80-140 g/L, and the content of the penetrating agent JNL is 4-8 g/L.
In an example of the method for preparing the tencel interwoven fabric, in the step S4, the temperature of the alkali liquor is 25-40 ℃, the treatment time of the interwoven fabric by the alkali liquor is 40-80S, and then the interwoven fabric is washed by water at 50-80 ℃.
In an example of the preparation method of the tencel interwoven fabric, in the crease-resistant finishing liquid, the addition amount of the etherified 2D resin is 90-130 g/L, the addition amount of the sericin powder is 20-30 g/L, the addition amount of the citric acid is 20-40 g/L, the addition amount of the triethanolamine is 10-12 g/L, and the addition amount of the penetrating agent is 10-15 g/L.
In an example of the preparation method of the tencel interwoven fabric, the relative molecular weight of the sericin powder is 15000-18000, and the penetrating agent is NUP.
In an example of the preparation method of the tencel interwoven fabric, in the step S5, padding is two padding, and in the padding process, the liquid carrying rate of the mercerized interwoven fabric is 80-100%.
In an example of the method for preparing the tencel interwoven fabric, in the step S5, the temperature of drying and shaping is 100-115 ℃ and the time is 5-10 min.
The invention also provides the tencel cotton interweaved fabric prepared by the preparation method of the tencel cotton interweaved fabric.
The preparation method of the tencel interwoven fabric adopts a double-mercerizing process, namely, the cotton yarn is subjected to concentrated alkali mercerization, and then the tencel interwoven fabric is subjected to low alkali mercerization, so that the best mercerization effect is ensured, and the interwoven fabric is subjected to crease-resistant finishing by adopting a mixed system of etherified 2D resin and sericin powder, so that the interwoven fabric has excellent crease-resistant performance, is easy to handle, has soft hand feeling, high fabric strength retention rate and good hydrophilicity.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the invention. The test methods in the following examples, in which specific conditions are not noted, are generally conducted under conventional conditions or under conditions recommended by the respective manufacturers.
Where numerical ranges are provided in the examples, it is understood that unless otherwise stated herein, both endpoints of each numerical range and any number between the two endpoints are significant both in the numerical range. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention belongs, and any method, apparatus, or material of the prior art similar or identical to the methods, apparatus, or materials of the embodiments of the invention may be used to practice the invention.
The invention provides a preparation method of tencel interwoven fabric, which comprises the following steps:
S1, mercerizing cotton yarn: treating cotton yarn with alkali liquor, then washing with water, and drying to obtain mercerized cotton yarn;
s2, preparing an interweaved fabric: taking tencel yarns as warp yarns, and taking the mercerized cotton yarns as weft yarns, and interweaving to obtain interweaved fabric;
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme, hydrogen peroxide and water to prepare working solution, adjusting the pH value of the working solution to 9.5-11, padding the interweaved fabric by using the working solution, stacking the padded interweaved fabric at 25-45 ℃ for 18-24 hours, washing with water, and drying to obtain the pretreated interweaved fabric;
s4, mercerizing the interweaved fabric: treating the pretreated interweaved fabric with alkali liquor, then cleaning with water, and drying to obtain mercerized interweaved fabric;
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent into water to prepare crease-resistant finishing liquid, padding the mercerized interweaved fabric with the crease-resistant finishing liquid, and then drying and shaping to obtain the tencel interwoven fabric.
In an example of the preparation method of the tencel interwoven fabric, in the step S1, the alkali liquor is sodium hydroxide solution, and the content of sodium hydroxide in the alkali liquor is 250-300 g/L. The temperature of the alkali liquor is 25-40 ℃, and the treatment time of the alkali liquor on the cotton yarn is 100-140 s. Firstly, washing cotton yarn with water at 60-80 ℃ and then washing cotton yarn with water at 30-50 ℃. And (3) stretching the cotton yarn in the mercerizing process, wherein the elongation length of the stretched cotton yarn is 1-3%.
Mercerizing the cotton yarn under tension ensures that the cotton yarn does not shrink. The cotton yarn is washed twice by hot water and warm water, so that the cleaning effect of the cotton yarn can be ensured, and alkali liquor on the cotton yarn is removed.
In an example of the method for producing the tencel interwoven fabric, in the step S2, the warp yarn is mercerized cotton yarn with a count of 40-80S, the weft yarn is tencel yarn with a count of 40-80S, the density of the warp yarn is 144-200 pieces/inch, and the density of the weft yarn is 90-140 pieces/inch. The cotton yarn is combed compact spinning cotton yarn, and the tencel yarn is LF blue refined tencel yarn.
In an example of the preparation method of the tencel interwoven fabric, in the step S3, the adding amount of the purified cotton enzyme in the working solution is 25-35 g/L, and the adding amount of the hydrogen peroxide is 40-65 g/L. The purified cotton enzyme is purified cotton enzyme GXI, and the concentration of the hydrogen peroxide is 25-30%. The padding is one padding, and in the padding process, the liquid carrying rate of the interweaved fabric is 80-120%. The padded interweaved fabric is firstly washed by water at the temperature of 85-98 ℃ and then washed by water at the temperature of 30-40 ℃.
In an example of the method for preparing the tencel interwoven fabric, in the step S4, the alkali solution comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 80-140 g/L, and the content of the penetrating agent JNL is 4-8 g/L. The temperature of the alkali liquor is 25-40 ℃, the treatment time of the alkali liquor on the interweaved fabric is 40-80 s, and then the interweaved fabric is cleaned by water with the temperature of 50-80 ℃. Because the tencel is not resistant to concentrated alkali and the hand feeling is hard under the damp and hot condition, the interweaved fabric is mercerized under the mercerizing condition of low temperature and low alkali.
In an example of the preparation method of the tencel interwoven fabric, in the crease-resistant finishing liquid, the addition amount of the etherified 2D resin is 90-130 g/L, the addition amount of the sericin powder is 20-30 g/L, the addition amount of the citric acid is 20-40 g/L, the addition amount of the triethanolamine is 10-12 g/L, and the addition amount of the penetrating agent is 10-15 g/L. The relative molecular weight of the sericin powder is 15000-18000, and the penetrating agent is penetrating agent NUP. The padding is two padding, and in the padding process, the liquid carrying rate of the mercerized interweaved fabric is 80-100%. The temperature of the drying and shaping is 100-115 ℃ and the time is 5-10 min.
The invention also provides the tencel cotton interweaved fabric prepared by the preparation method of the tencel cotton interweaved fabric.
Because the physical and chemical properties of the tencel are different from those of the cotton, the mercerization process of the tencel and the cotton also has certain difference, and therefore, a double-mercerization process is adopted, namely, the cotton yarn is mercerized with concentrated alkali first, and then the tencel and cotton interweaved fabric is mercerized with low alkali, so that the optimal mercerization effect of the cotton yarn and the tencel and cotton interweaved fabric can be ensured. The mixed system of the etherified 2D resin and the sericin powder is adopted to carry out crease-resistant finishing on the interweaved fabric, so that the interweaved fabric has the advantages of excellent crease resistance, easy treatment, soft hand feeling, high strength retention rate of the fabric and good hydrophilicity. Can solve the problems of yellowing, high formaldehyde release and hard hand feeling of the fabric existing in the traditional 2D resin.
The present invention will be described below by way of a number of examples.
Example 1
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with an alkali liquor, wherein the alkali liquor is a sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 300g/L, the temperature of the alkali liquor is 35 ℃, the treatment time of the alkali liquor on the cotton yarn is 110s, and the elongation length of the cotton yarn after stretching is 1.5%. And then washing the cotton yarn with water at 80 ℃, then washing the cotton yarn with water at 30 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme GXI, hydrogen peroxide and water to obtain a working solution, wherein the adding amount of purified cotton enzyme GXI is 30g/L, and the adding amount of hydrogen peroxide is 55g/L. And (3) regulating the pH value of the working solution to be 10, performing one padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 120% in the padding process, stacking the padded interweaved fabric for 20h at 40 ℃, then washing with water at 92 ℃ firstly, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, the content of the sodium hydroxide is 80g/L, and the content of the penetrating agent JNL is 8g/L. The temperature of the alkali liquor is 40 ℃, the treatment time of the alkali liquor on the interweaved fabric is 50s, then the pretreatment interweaved fabric is washed by water at 75 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and penetrating agent NUP into water to prepare anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 90g/L, the adding amount of the sericin powder is 30g/L, the adding amount of the citric acid is 40g/L, the adding amount of the triethanolamine is 10g/L, and the adding amount of the penetrating agent NUP is 14g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein the liquid carrying rate of the mercerized interweaved fabric is 100% in the padding process, and then drying and shaping for 8min at 110 ℃ to obtain the tencel cotton interweaved fabric.
Example 2
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with alkali liquor, wherein the alkali liquor is sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 280g/L, the temperature of the alkali liquor is 25 ℃, the treatment time of the alkali liquor on the cotton yarn is 140s, and the elongation length of the cotton yarn after stretching is 2%. And then cleaning the cotton yarn with water at 60 ℃, cleaning the cotton yarn with water at 45 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S3, preprocessing the interweaved fabric: the working solution is prepared by mixing purified cotton enzyme GXI, hydrogen peroxide and water, wherein the adding amount of purified cotton enzyme GXI is 35g/L, and the adding amount of hydrogen peroxide is 65g/L. And adjusting the pH value of the working solution to be 10.5, performing one-padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 100% in the padding process, stacking the padded interweaved fabric for 24 hours at 40 ℃, then washing with water at 95 ℃ firstly, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 100g/L, and the content of the penetrating agent JNL is 6g/L. The temperature of the alkali liquor is 28 ℃, the treatment time of the alkali liquor on the interweaved fabric is 70s, then the pretreatment interweaved fabric is washed by water at 55 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent NUP into water to prepare an anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 105g/L, the adding amount of the sericin powder is 28g/L, the adding amount of the citric acid is 35g/L, the adding amount of the triethanolamine is 12g/L, and the adding amount of the penetrating agent NUP is 12g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein in the padding process, the liquid carrying rate of the mercerized interweaved fabric is 80%, and then drying and shaping for 10min at 100 ℃ to obtain the tencel cotton interweaved fabric.
Example 3
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with an alkali liquor, wherein the alkali liquor is a sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 260g/L, the temperature of the alkali liquor is 40 ℃, the treatment time of the alkali liquor on the cotton yarn is 100s, and the elongation length of the cotton yarn after stretching is 2.8%. And then washing the cotton yarn with water at 70 ℃, then washing the cotton yarn with water at 40 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme GXI, hydrogen peroxide and water to obtain a working solution, wherein the adding amount of purified cotton enzyme GXI is 28g/L, and the adding amount of hydrogen peroxide is 50g/L. And adjusting the pH value of the working solution to 9.5, performing one-padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 80% in the padding process, stacking the padded interweaved fabric at 30 ℃ for 22 hours, then washing with water at 98 ℃, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 120g/L, and the content of the penetrating agent JNL is 5g/L. The temperature of the alkali liquor is 35 ℃, the treatment time of the alkali liquor on the interweaved fabric is 55s, then the pretreatment interweaved fabric is washed by water at 70 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent NUP into water to prepare an anti-wrinkle finishing liquid, wherein the addition amount of the etherified 2D resin is 115g/L, the addition amount of the sericin powder is 24g/L, the addition amount of the citric acid is 28g/L, the addition amount of the triethanolamine is 11g/L, and the addition amount of the penetrating agent NUP is 15g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein in the padding process, the liquid carrying rate of the mercerized interweaved fabric is 90%, and then drying and shaping for 6min at 115 ℃ to obtain the tencel cotton interweaved fabric.
Example 4
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with alkali liquor, wherein the alkali liquor is sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 250g/L, the temperature of the alkali liquor is 30 ℃, the treatment time of the alkali liquor on the cotton yarn is 125s, and the elongation length of the cotton yarn after stretching is 2.2%. And then cleaning the cotton yarn with water at 75 ℃, then cleaning the cotton yarn with water at 40 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S3, preprocessing the interweaved fabric: the working solution is prepared by mixing purified cotton enzyme GXI, hydrogen peroxide and water, wherein the adding amount of purified cotton enzyme GXI is 25g/L, and the adding amount of hydrogen peroxide is 40g/L. And (3) adjusting the pH value of the working solution to be 11, performing one padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 95% in the padding process, stacking the padded interweaved fabric for 18 hours at 30 ℃, then washing with water at 92 ℃ firstly, washing with water at 35 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, the content of the sodium hydroxide is 130g/L, and the content of the penetrating agent JNL is 5g/L. The temperature of the alkali liquor is 30 ℃, the treatment time of the alkali liquor on the interweaved fabric is 60s, then the pretreatment interweaved fabric is washed by water at 60 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and penetrating agent NUP into water to prepare anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 130g/L, the adding amount of the sericin powder is 20g/L, the adding amount of the citric acid is 20g/L, the adding amount of the triethanolamine is 10g/L, and the adding amount of the penetrating agent NUP is 10g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein the liquid carrying rate of the mercerized interweaved fabric is 95% in the padding process, and then drying and shaping for 7min at 110 ℃ to obtain the tencel cotton interweaved fabric.
Example 5
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with alkali liquor, wherein the alkali liquor is sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 250g/L, the temperature of the alkali liquor is 25 ℃, the treatment time of the alkali liquor on the cotton yarn is 140s, and the elongation length of the cotton yarn after stretching is 3%. And then cleaning the cotton yarn with water at 60 ℃, then cleaning the cotton yarn with water at 30 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 40S, and the weft yarn is tencel yarn with the count of 40S. The warp yarn density was 144 yarns/inch and the weft yarn density was 90 yarns/inch.
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme GXI, hydrogen peroxide and water to obtain a working solution, wherein the adding amount of purified cotton enzyme GXI is 25g/L, and the adding amount of hydrogen peroxide is 55g/L. And adjusting the pH value of the working solution to 9.5, performing one-padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 80% in the padding process, stacking the padded interweaved fabric for 24 hours at 25 ℃, then washing with water at 85 ℃ firstly, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 80g/L, and the content of the penetrating agent JNL is 4g/L. The temperature of the alkali liquor is 25 ℃, the treatment time of the alkali liquor on the interweaved fabric is 80s, then the pretreatment interweaved fabric is washed by water with the temperature of 50 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and penetrating agent NUP into water to prepare anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 90g/L, the adding amount of the sericin powder is 30g/L, the adding amount of the citric acid is 40g/L, the adding amount of the triethanolamine is 10g/L, and the adding amount of the penetrating agent NUP is 15g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein in the padding process, the liquid carrying rate of the mercerized interweaved fabric is 80%, and then drying and shaping for 10min at 100 ℃ to obtain the tencel cotton interweaved fabric.
Example 6
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with an alkali liquor, wherein the alkali liquor is a sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 300g/L, the temperature of the alkali liquor is 40 ℃, the treatment time of the alkali liquor on the cotton yarn is 100s, and the elongation length of the cotton yarn after stretching is 1%. And then washing the cotton yarn with water at 80 ℃, then washing the cotton yarn with water at 50 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 80S, and the weft yarn is tencel yarn with the count of 80S. The warp yarn density was 200 yarns/inch and the weft yarn density was 140 yarns/inch.
S3, preprocessing the interweaved fabric: the working solution is prepared by mixing purified cotton enzyme GXI, hydrogen peroxide and water, wherein the adding amount of purified cotton enzyme GXI is 35g/L, and the adding amount of hydrogen peroxide is 65g/L. And (3) adjusting the pH value of the working solution to be 11, performing one padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 120% in the padding process, stacking the padded interweaved fabric for 18 hours at 45 ℃, then washing with water at 98 ℃ firstly, washing with water at 40 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, wherein the content of the sodium hydroxide is 140g/L, and the content of the penetrating agent JNL is 8g/L. The temperature of the alkali liquor is 25 ℃, the treatment time of the alkali liquor on the interweaved fabric is 40s, then the pretreatment interweaved fabric is washed by water at 80 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent NUP into water to prepare an anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 130g/L, the adding amount of the sericin powder is 20g/L, the adding amount of the citric acid is 20g/L, the adding amount of the triethanolamine is 12g/L, and the adding amount of the penetrating agent NUP is 10g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein the liquid carrying rate of the mercerized interweaved fabric is 100% in the padding process, and then drying and shaping for 5min at 115 ℃ to obtain the tencel cotton interweaved fabric.
Comparative example 1
A preparation method of tencel interwoven fabric comprises the following steps:
S1, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S2, preprocessing the interweaved fabric: mixing purified cotton enzyme GXI, hydrogen peroxide and water to obtain a working solution, wherein the adding amount of purified cotton enzyme GXI is 30g/L, and the adding amount of hydrogen peroxide is 55g/L. And (3) regulating the pH value of the working solution to be 10, performing one padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 120% in the padding process, stacking the padded interweaved fabric for 20h at 40 ℃, then washing with water at 92 ℃ firstly, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S3, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, the content of the sodium hydroxide is 80g/L, and the content of the penetrating agent JNL is 8g/L. The temperature of the alkali liquor is 40 ℃, the treatment time of the alkali liquor on the interweaved fabric is 50s, then the pretreatment interweaved fabric is washed by water at 75 ℃, and the mercerized interweaved fabric is obtained after drying.
S4, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and penetrating agent NUP into water to prepare anti-wrinkle finishing liquid, wherein the adding amount of the etherified 2D resin is 90g/L, the adding amount of the sericin powder is 30g/L, the adding amount of the citric acid is 40g/L, the adding amount of the triethanolamine is 10g/L, and the adding amount of the penetrating agent NUP is 14g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein the liquid carrying rate of the mercerized interweaved fabric is 100% in the padding process, and then drying and shaping for 8min at 110 ℃ to obtain the tencel cotton interweaved fabric.
Comparative example 2
A preparation method of tencel interwoven fabric comprises the following steps:
S1, mercerizing cotton yarn: treating the cotton yarn with an alkali liquor, wherein the alkali liquor is a sodium hydroxide solution, the content of sodium hydroxide in the alkali liquor is 300g/L, the temperature of the alkali liquor is 35 ℃, the treatment time of the alkali liquor on the cotton yarn is 110s, and the elongation length of the cotton yarn after stretching is 1.5%. And then washing the cotton yarn with water at 80 ℃, then washing the cotton yarn with water at 30 ℃, and drying to obtain the mercerized cotton yarn.
S2, preparing an interweaved fabric: and interweaving the tencel yarns serving as warp yarns and the mercerized cotton yarns serving as weft yarns to obtain the interweaved fabric. The warp yarn is mercerized cotton yarn with the count of 60S, and the weft yarn is tencel yarn with the count of 60S. The warp yarn density was 182 yarns/inch and the weft yarn density was 120 yarns/inch.
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme GXI, hydrogen peroxide and water to obtain a working solution, wherein the adding amount of purified cotton enzyme GXI is 30g/L, and the adding amount of hydrogen peroxide is 55g/L. And (3) regulating the pH value of the working solution to be 10, performing one padding on the interweaved fabric by using the working solution, wherein the liquid carrying rate of the interweaved fabric is 120% in the padding process, stacking the padded interweaved fabric for 20h at 40 ℃, then washing with water at 92 ℃ firstly, washing with water at 30 ℃, and drying to obtain the pretreated interweaved fabric.
S4, mercerizing the interweaved fabric: and (3) treating the pretreated interweaved fabric with alkali liquor, wherein the alkali liquor comprises sodium hydroxide, a penetrating agent JNL and water, the content of the sodium hydroxide is 80g/L, and the content of the penetrating agent JNL is 8g/L. The temperature of the alkali liquor is 40 ℃, the treatment time of the alkali liquor on the interweaved fabric is 50s, then the pretreatment interweaved fabric is washed by water at 75 ℃, and the mercerized interweaved fabric is obtained after drying.
S5, crease-resistant finishing: adding 2D resin and penetrating agent NUP into water to prepare the crease-resistant finishing liquid, wherein the adding amount of the 2D resin is 150g/L, and the adding amount of the penetrating agent NUP is 14g/L. And (3) carrying out twice padding on the mercerized interweaved fabric by using the crease-resistant finishing liquid, wherein the liquid carrying rate of the mercerized interweaved fabric is 100% in the padding process, and then drying and shaping for 8min at 110 ℃ to obtain the tencel cotton interweaved fabric.
The tencel cotton-interwoven fabrics prepared in examples 1 to 6 and comparative examples 1 and 2 were tested for the following test items and criteria:
Whiteness: an instrument evaluation method for the relative whiteness of GB/T8424.2 textile color fastness test.
Fold recovery angle: GB/T3819-1997 method for determining recovery angle of crease recovery of textile fabrics.
Appearance flatness after washing: GB/T13769-2009 test method for evaluating appearance flatness of fabric after washing.
Retention of breaking strength: GB/T3923.1-2013 textile fabric tensile Property part 1: determination of breaking Strength and elongation at break (strip method), the weft breaking Strength F 0 of the untreated fabric was tested, the weft breaking Strength F 1 of the treated fabric was tested, according to the formulaAnd calculating the retention rate of the weft breaking strength.
Formaldehyde content: determination of GB/T2912.1-2009 textile Formaldehyde part 1: free and hydrolyzed formaldehyde.
Hydrophilicity: AATCC 79-2014 textile absorbency.
The test results are shown in the following table:
As can be seen from comparison of the detection results of comparative example 1 and example 1, only the interwoven fabric in comparative example 1 was subjected to weak alkali mercerization, so that the cotton yarn was not sufficiently mercerized, the adsorption capacity of the interwoven fabric prepared in comparative example 1 was relatively weak, and the crease resistance was also inferior to that of the interwoven fabric prepared in example 1.
As can be seen from comparison of the detection results of comparative example 2 and example 1, the fabric subjected to the conventional 2D resin finishing in comparative example 2 has poor breaking strength retention, whiteness and hydrophilicity, and has high formaldehyde content.
From the data in the table above, it can be seen that the tencel interwoven fabrics prepared in examples 1 to 6 have excellent crease resistance, easy treatment, soft hand feel, high retention rate of fabric strength and good hydrophilicity.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The preparation method of the tencel interwoven fabric is characterized by comprising the following steps of:
s1, mercerizing cotton yarn: treating cotton yarn with alkali liquor, then washing with water and drying to obtain mercerized cotton yarn, wherein the alkali liquor is sodium hydroxide solution, and the content of sodium hydroxide in the alkali liquor is 250-300 g/L;
s2, preparing an interweaved fabric: taking tencel yarns as warp yarns, and taking the mercerized cotton yarns as weft yarns, and interweaving to obtain interweaved fabric;
S3, preprocessing the interweaved fabric: mixing purified cotton enzyme, hydrogen peroxide and water to prepare working solution, adjusting the pH value of the working solution to 9.5-11, padding the interweaved fabric by using the working solution, stacking the padded interweaved fabric at 25-45 ℃ for 18-24 hours, washing with water, and drying to obtain the pretreated interweaved fabric;
S4, mercerizing the interweaved fabric: treating the pretreated interweaved fabric with alkali liquor, then washing with water and drying to obtain mercerized interweaved fabric, wherein the alkali liquor comprises sodium hydroxide, penetrating agent JNL and water, wherein the content of the sodium hydroxide is 80-140 g/L, and the content of the penetrating agent JNL is 4-8 g/L;
S5, crease-resistant finishing: adding etherified 2D resin, sericin powder, citric acid, triethanolamine and a penetrating agent into water to prepare crease-resistant finishing liquid, padding the mercerized interweaved fabric with the crease-resistant finishing liquid, and then drying and shaping to obtain the tencel interwoven fabric.
2. The method for producing a tencel interwoven fabric as claimed in claim 1, wherein in the step S1, the temperature of the alkali solution is 25-40 ℃, and the treatment time of the cotton yarn with the alkali solution is 100-140S.
3. The method for producing a tencel fabric as set forth in claim 1, wherein in step S1, the cotton yarn is washed with water at 60 to 80 ℃ and then washed with water at 30 to 50 ℃.
4. The method for producing a tencel interwoven fabric as claimed in claim 1, wherein in the step S2, the warp yarn is mercerized cotton yarn with a count of 40-80S, the weft yarn is tencel yarn with a count of 40-80S, the density of the warp yarn is 144-200 yarns/inch, and the density of the weft yarn is 90-140 yarns/inch.
5. The method for producing a tencel interwoven fabric as claimed in claim 1, wherein in the step S3, the adding amount of the purified cotton enzyme is 25-35 g/L and the adding amount of the hydrogen peroxide is 40-65 g/L.
6. The method for producing a tencel interwoven fabric as claimed in claim 1, wherein in the step S3, the padding is a padding, the liquid carrying rate of the interwoven fabric is 80-120% in the padding process, and the padded interwoven fabric is firstly washed with water at 85-98 ℃ and then washed with water at 30-40 ℃.
7. The method for producing a tencel fabric as claimed in claim 1, wherein in step S4, the temperature of the alkali solution is 25-40 ℃, the treatment time of the interwoven fabric with the alkali solution is 40-80S, and then the interwoven fabric is washed with water at 50-80 ℃.
8. The method for producing a tencel interwoven fabric as claimed in claim 1, wherein in the crease-resistant finishing liquid, the addition amount of the etherified 2D resin is 90-130 g/L, the addition amount of the sericin powder is 20-30 g/L, the addition amount of the citric acid is 20-40 g/L, the addition amount of the triethanolamine is 10-12 g/L, and the addition amount of the penetrating agent is 10-15 g/L.
9. The method for preparing the tencel interwoven fabric as claimed in claim 1, wherein in the step S5, the padding is two padding, the liquid carrying rate of the mercerized interwoven fabric is 80-100% in the padding process, the temperature of drying and shaping is 100-115 ℃, and the time is 5-10 min.
10. A tencel interwoven fabric prepared by the method of preparing a tencel interwoven fabric of any of claims 1-9.
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