CN113863012B - Polyester fiber and cotton fiber blended fabric and preparation process thereof - Google Patents
Polyester fiber and cotton fiber blended fabric and preparation process thereof Download PDFInfo
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- CN113863012B CN113863012B CN202111225899.3A CN202111225899A CN113863012B CN 113863012 B CN113863012 B CN 113863012B CN 202111225899 A CN202111225899 A CN 202111225899A CN 113863012 B CN113863012 B CN 113863012B
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 84
- 239000000835 fiber Substances 0.000 title claims abstract description 70
- 239000004744 fabric Substances 0.000 title claims abstract description 61
- 229920000728 polyester Polymers 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 239000003607 modifier Substances 0.000 claims abstract description 14
- 238000009941 weaving Methods 0.000 claims abstract 3
- 239000004902 Softening Agent Substances 0.000 claims description 20
- 229920001661 Chitosan Polymers 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 14
- 239000004814 polyurethane Substances 0.000 claims description 14
- 238000002791 soaking Methods 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 8
- 125000000373 fatty alcohol group Chemical group 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 150000005215 alkyl ethers Chemical class 0.000 claims description 3
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 3
- 229910001626 barium chloride Inorganic materials 0.000 claims description 3
- -1 polyoxyethylene Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 18
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- 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
- D06M15/03—Polysaccharides 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of textile products, and particularly discloses a polyester fiber and cotton fiber blended fabric and a preparation process thereof. The fabric is formed by blending polyester fibers and modified cotton fibers, and the preparation process of the fabric comprises the following steps: (1) preparing modified cotton fiber: adding a modifier, a penetrating agent and a catalyst into water to prepare a treatment liquid, immersing cotton fibers in the treatment liquid, fishing out, and pre-baking, cleaning and drying to obtain modified cotton fibers; (2) Uniformly mixing polyester fibers and modified cotton fibers to obtain mixed fibers; (3) weaving the mixed fiber into a fabric. In the invention, the hygroscopicity of the modified cotton fiber is obviously better than that of the common cotton fiber, the duty ratio of the cotton fiber in the fabric can be effectively reduced, and the duty ratio of the polyester fiber is improved, so that the hygroscopicity and quick-drying performance of the fabric can reach better standards at the same time.
Description
Technical Field
The invention relates to the technical field of textile products, in particular to a polyester fiber and cotton fiber blended fabric and a preparation process thereof.
Background
The polyester fiber is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol. The polyester fiber has excellent wrinkle resistance, elasticity and dimensional stability, good strength and electrical insulation, sunlight resistance, no mildew or moth resistance, and good chemical reagent resistance, and high cost performance, so that the polyester fiber is widely applied to non-clothing fields such as clothing fabrics, home textiles and the like.
However, polyester fibers have a disadvantage of poor hygroscopicity and poor hand feel as compared with natural fibers. In order to improve the hygroscopicity of the polyester fiber fabric and enable the polyester fiber fabric to have good hygroscopicity, natural fibers with good hygroscopicity such as cotton fibers and fibrilia are generally blended with the polyester fibers. However, the quick-drying property of the polyester fiber fabric mixed with the cotton fibers is adversely affected, and the larger the amount of the cotton fibers mixed is, the larger the adverse effect on the quick-drying property is, namely, the longer the time period required for drying the fabric after moisture absorption is. Therefore, when the scheme of mixing cotton fibers to improve the hygroscopicity of the polyester fiber fabric is adopted, the quick-drying property of the fabric is required to be considered, so that the fabric is difficult to reach better standards in both hygroscopicity and quick-drying property, and the application range of the fabric is limited.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a polyester fiber and cotton fiber blended fabric and a preparation process thereof, which are used for solving the problem that the hygroscopicity and quick-drying property of the polyester fiber and cotton fiber blended fabric in the prior art are difficult to reach better standards at the same time.
In order to achieve the above and other related objects, the invention provides a polyester fiber and cotton fiber blended fabric, which is formed by blending polyester fiber and modified cotton fiber, wherein the mass ratio of the polyester fiber to the modified cotton fiber is 8-10:1; the preparation raw materials of the modified cotton fiber comprise: cotton fiber, a modifier, a penetrating agent and a catalyst, wherein the modifier comprises aqueous polyurethane and chitosan.
The invention also provides a preparation process of the polyester fiber and cotton fiber blended fabric, which comprises the following steps:
s1, preparing modified cotton fibers: adding a modifier, a penetrating agent and a catalyst into water to prepare a treatment liquid, immersing cotton fibers in the treatment liquid, fishing out, and pre-baking, cleaning and drying to obtain modified cotton fibers;
s2, uniformly mixing fibers: uniformly mixing polyester fibers and modified cotton fibers to obtain mixed fibers;
s3, spinning: and (3) spinning the mixed fibers in the step S2 into a fabric.
Optionally, the penetrating agent is fatty alcohol polyoxyethylene ether or polyoxyethylene linear alkyl ether, and the catalyst is magnesium chloride or barium chloride or sodium hypophosphite or tartaric acid.
Optionally, in the treatment solution in the step S1, the concentration of the aqueous polyurethane is 90-110 g/L, the concentration of the chitosan is 5-10 g/L, the concentration of the penetrating agent is 9-12 mL/L, and the concentration of the catalyst is 4-8 g/L.
Optionally, after step S3, the method further includes:
s4, softening finishing: and (3) immersing the fabric in the step (S3) in a softening liquid, fishing out, baking, cleaning and drying to obtain the finished fabric.
Optionally, in step S1, the pre-baking temperature is 80-85 ℃, the pre-baking time is 3-4 min, and in step S1 and step S4, the baking temperature is 150-170 ℃, and the baking time is 2-5 min.
Optionally, in step S4, the softening liquid is prepared by adding a softening agent into water, and the softening agent is an organosilicon softening agent.
Optionally, the concentration of the softening agent is 9-12 mL/L.
Optionally, the temperature of the softening liquid is 30-45 ℃.
Optionally, in the step S1, the soaking time of the cotton fiber in the treatment liquid is 1-3 h; in the step S4, the soaking time of the fabric in the soft liquid is 0.5-1 h.
As described above, the polyester fiber and cotton fiber blended fabric and the preparation process thereof have the following beneficial effects: according to the invention, the fabric is formed by blending polyester fibers and modified cotton fibers, wherein the modifier for modifying the cotton fibers comprises aqueous polyurethane and chitosan, and under the catalysis of a catalyst, the aqueous polyurethane and partial hydroxyl groups of the cotton fibers undergo a crosslinking reaction, so that deformation of fiber macromolecules is reduced, an original hydrogen bond structure in the cotton fibers is stabilized, the possibility of generating new hydrogen bonds due to sliding of molecular chains is reduced, the deformation recovery capability of the cotton fibers is improved, and thus, the wrinkle resistance of the cotton fibers is improved, and further, the wrinkle resistance of the polyester fiber fabric mixed with the modified cotton fibers is not affected, namely, the fabric still maintains good wrinkle resistance.
Meanwhile, chitosan is fixed on the cotton fiber, and hydroxyl groups of the chitosan and hydroxyl groups of the cotton fiber form a plurality of intermolecular hydrogen bonds, so that the number of hydroxyl groups of the modified cotton fiber is increased compared with that of the cotton fiber, and then the hygroscopicity of the modified cotton fiber is improved after the number of hydrophilic hydroxyl groups is increased. Compared with common cotton fibers, the polyester fiber blended with a smaller amount of modified cotton fibers can ensure that the fabric has better hygroscopicity and has smaller influence on quick-drying property of the fabric. In other words, the polyester fiber and cotton fiber blended fabric has good hygroscopicity and good quick-drying property, so that the hygroscopicity and the quick-drying property of the fabric reach good standards.
In addition, the soft-finished fabric has soft hand feeling and comfortable use.
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.
The invention provides a polyester fiber and cotton fiber blended fabric which is formed by blending polyester fibers and modified cotton fibers, wherein the mass ratio of the polyester fibers to the modified cotton fibers is 8-10:1. The preparation raw materials of the modified cotton fiber comprise: cotton fiber, modifier, penetrating agent and catalyst, wherein the modifier comprises water polyurethane and chitosan, the penetrating agent is fatty alcohol polyoxyethylene ether or polyoxyethylene linear alkyl ether, and the catalyst is magnesium chloride or barium chloride or sodium hypophosphite or tartaric acid.
The invention also provides a preparation process of the polyester fiber and cotton fiber blended fabric, which comprises the following steps of
S1, preparing modified cotton fibers: adding the modifier, the penetrating agent and the catalyst into water to prepare the treatment liquid. In the treatment liquid, the concentration of the aqueous polyurethane is 90-110 g/L, the concentration of the chitosan is 5-10 g/L, the concentration of the penetrating agent is 9-12 mL/L, and the concentration of the catalyst is 4-8 g/L. Soaking cotton fiber in the treating liquid for 1-3 hr, fishing out, pre-stoving, cleaning and stoving to obtain modified cotton fiber. Wherein the temperature of the pre-baking is 80-85 ℃, and the pre-baking time is 3-4 min; the baking temperature is 150-170 ℃, and the baking time is 2-5 min; during cleaning, warm water at 50 ℃ is firstly used for cleaning for 5min, and then normal-temperature water is used for cleaning for 5min; finally, drying at 80 ℃ to constant weight.
S2, uniformly mixing fibers: and uniformly mixing the polyester fiber and the modified cotton fiber to obtain the mixed fiber.
S3, spinning: and (3) spinning the mixed fibers in the step S2 into a fabric.
S4, softening finishing: and (3) immersing the fabric in the step (S3) in a softening liquid for 0.5-1 h, wherein the temperature of the softening liquid is 30-45 ℃, the softening liquid is prepared by adding a softening agent into water, and the softening agent is an organosilicon softening agent, and the concentration of the softening agent is 9-12 mL/L. And (5) taking out after soaking, and baking, cleaning and drying to obtain the finished fabric. Wherein the baking temperature is 150-170 ℃, and the baking time is 2-5 min; during cleaning, warm water at 50 ℃ is firstly used for cleaning for 5min, and then normal-temperature water is used for cleaning for 5min; finally, drying at 80 ℃ to constant weight.
The following specific exemplary examples illustrate the invention in detail. It is also to be understood that the following examples are given solely for the purpose of illustration and are not to be construed as limitations upon the scope of the invention, as many insubstantial modifications and variations are within the scope of the invention as would be apparent to those skilled in the art in light of the foregoing disclosure. The specific process parameters and the like described below are also merely examples of suitable ranges, i.e., one skilled in the art can make a suitable selection from the description herein and are not intended to be limited to the specific values described below.
Example 1
A preparation process of polyester fiber and cotton fiber blended fabric comprises the following steps:
s1, preparing modified cotton fibers: the modifier, the penetrating agent and the catalyst are added into water to prepare a treatment fluid, the modifier comprises water-based polyurethane and chitosan, the penetrating agent is fatty alcohol polyoxyethylene ether, and the catalyst is magnesium chloride. In the treatment liquid, the concentration of the aqueous polyurethane is 100g/L, the concentration of the chitosan is 8g/L, the concentration of the penetrating agent is 11mL/L, and the concentration of the catalyst is 6g/L. Soaking cotton fiber in the treatment solution for 2h, taking out, pre-baking at 80deg.C for 5min, baking at 160deg.C for 2min, cleaning, and cleaning with 50deg.C warm water for 5min and normal temperature water for 5min; finally, drying at 80 ℃ to constant weight to obtain the modified cotton fiber.
S2, uniformly mixing fibers: and mixing the polyester fiber and the modified cotton fiber according to the mass ratio of 8:1, and uniformly mixing to obtain the mixed fiber.
S3, spinning: and (3) spinning the mixed fibers in the step S2 into a fabric.
S4, softening finishing: and (2) immersing the fabric in the step (S4) in a softening liquid for 1h, wherein the temperature of the softening liquid is 30 ℃, the softening liquid is prepared by adding a softening agent into water, the softening agent is an organosilicon softening agent, and the concentration of the softening agent is 10mL/L. Soaking the fabric, taking out, baking at 160 ℃ for 2min, and then cleaning, wherein during cleaning, warm water at 50 ℃ is firstly used for cleaning for 5min, and normal-temperature water is used for cleaning for 5min; finally, drying at 80 ℃ to constant weight to obtain the finished fabric.
Examples 2 to 3 differ from example 1 in that: the concentration of aqueous polyurethane and chitosan in the treatment fluid was varied, see in particular table 1.
Example 4 differs from example 1 in that: the mass ratio of the polyester fiber to the modified cotton fiber is 10:1.
Example 5 differs from example 1 in that: the mass ratio of the polyester fiber to the modified cotton fiber is 9:1.
Comparative example 1
The polyester fiber and the common cotton fiber (non-modified cotton fiber) were uniformly mixed according to a mass ratio of 8:1 to obtain a mixed fiber, the mixed fiber was woven into a fabric, and the fabric was subjected to a soft finishing, which was the same as the soft finishing step in example 1.
Comparative example 2 is different from comparative example 1 in that: the mass ratio of the polyester fiber to the common cotton fiber is 10:1.
Table 1 table of concentration of aqueous polyurethane and chitosan in the treatment solutions of examples 1 to 3
| Example 1 | Example 2 | Example 3 | |
| Water-based polyurethane (g/L) | 100 | 90 | 110 |
| Chitosan (g/L) | 8 | 5 | 10 |
The fabrics of examples 1 to 5 and comparative examples 1 to 2 were subjected to performance tests, and the fabrics of each example and each comparative example were subjected to tests for hygroscopicity and quick-drying property according to the method described in GB/T21655.1-2008, and the test results are shown in Table 2.
Table 2 performance test tables of examples 1 to 5 and comparative examples 1 to 2
As can be seen from Table 2, the water absorption of examples 1 to 5 was between 312% and 327%, while the water absorption of comparative examples 1 to 2 was 262% and 243%, respectively; the drip diffusion times of examples 1 to 5 were between 1.9s and 2.2s, while the drip diffusion times of comparative examples 1 to 2 were 2.7s and 2.9s, respectively; examples 1-5 had wicking heights between 120mm and 128mm, while comparative examples 1-2 had wicking heights of 112mm and 109mm, respectively. It is apparent from this that the hygroscopicity of examples 1 to 5 is superior to that of comparative examples 1 to 2.
Secondly, the evaporation rates of examples 1 to 5 were between 0.32g/h and 0.35g/h, while the evaporation rates of comparative examples 1 to 2 were 0.30g/h and 0.31g/h, respectively; the moisture permeability of examples 1 to 5 was 11100 g/(m) 2 D) to 11600g/h, while the moisture permeability of comparative examples 1 to 2 was 10800 g/(m), respectively 2 ·d)～10960g/(m 2 D) is described. It is apparent from this that the quick-drying properties of examples 1 to 5 are superior to those of comparative examples 1 to 2.
Comparing example 1 with comparative example 1, and example 4 with comparative example 2, the difference is that examples 1 and 4 employ modified cotton fibers, and comparative examples 1 and 2 employ normal cotton fibers, and from the data presented in table 2, hygroscopicity of examples 1 and 4 is significantly better than that of comparative examples 1 and 2, and quick-drying properties of examples 1 and 4 are slightly better than those of comparative examples 1 and 2.
In summary, the fabric woven by mixing the modified cotton fibers and the polyester fibers has good hygroscopicity and good quick-drying property, and solves the problem that the hygroscopicity and the quick-drying property of the polyester fibers and the cotton fibers cannot reach good standards at the same time.
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 (3)
1. The polyester fiber and cotton fiber blended fabric is characterized by being formed by blending polyester fibers and modified cotton fibers, wherein the mass ratio of the polyester fibers to the modified cotton fibers is 8-10:1; the preparation raw materials of the modified cotton fiber comprise: cotton fiber, a modifier, a penetrating agent and a catalyst, wherein the modifier is waterborne polyurethane and chitosan, the penetrating agent is fatty alcohol polyoxyethylene ether or polyoxyethylene linear alkyl ether, and the catalyst is magnesium chloride or barium chloride or sodium hypophosphite or tartaric acid;
the preparation process of the blended fabric comprises the following steps of:
s1, preparing modified cotton fibers: adding a modifier, a penetrating agent and a catalyst into water to prepare a treatment liquid, immersing cotton fibers in the treatment liquid for 1-3 hours, taking out, and pre-baking, cleaning and drying to obtain modified cotton fibers; in the treatment liquid, the concentration of the aqueous polyurethane is 90-110 g/L, the concentration of the chitosan is 5-10 g/L, the concentration of the penetrating agent is 9-12 mL/L, and the concentration of the catalyst is 4-8 g/L; the pre-baking temperature is 80-85 ℃, and the pre-baking time is 3-4 min; the baking temperature is 150-170 ℃, and the baking time is 2-5 min;
s2, uniformly mixing fibers: uniformly mixing polyester fibers and modified cotton fibers to obtain mixed fibers;
s3, spinning: weaving the mixed fibers in the step S2 into a fabric;
s4, softening finishing: soaking the fabric in the step S3 in a softening liquid at the temperature of 30-45 ℃, fishing out, baking, cleaning and drying to obtain a finished fabric; the baking temperature is 150-170 ℃, and the baking time is 2-5 min; the softening liquid is prepared by adding a softening agent into water, wherein the softening agent is an organosilicon softening agent, and the concentration of the softening agent is 9-12 mL/L.
2. A process for preparing the polyester fiber and cotton fiber blended fabric as claimed in claim 1, which is characterized in that: the method comprises the following steps:
s1, preparing modified cotton fibers: adding a modifier, a penetrating agent and a catalyst into water to prepare a treatment liquid, immersing cotton fibers in the treatment liquid for 1-3 hours, taking out, and pre-baking, cleaning and drying to obtain modified cotton fibers; in the treatment liquid, the concentration of the aqueous polyurethane is 90-110 g/L, the concentration of the chitosan is 5-10 g/L, the concentration of the penetrating agent is 9-12 mL/L, and the concentration of the catalyst is 4-8 g/L; the pre-baking temperature is 80-85 ℃, and the pre-baking time is 3-4 min; the baking temperature is 150-170 ℃, and the baking time is 2-5 min;
s2, uniformly mixing fibers: uniformly mixing polyester fibers and modified cotton fibers to obtain mixed fibers;
s3, spinning: weaving the mixed fibers in the step S2 into a fabric;
s4, softening finishing: soaking the fabric in the step S3 in a softening liquid at the temperature of 30-45 ℃, fishing out, baking, cleaning and drying to obtain a finished fabric; the baking temperature is 150-170 ℃, and the baking time is 2-5 min; the softening liquid is prepared by adding a softening agent into water, wherein the softening agent is an organosilicon softening agent, and the concentration of the softening agent is 9-12 mL/L.
3. The process for preparing the polyester fiber and cotton fiber blended fabric according to claim 2, which is characterized in that: in the step S4, the soaking time of the fabric in the soft liquid is 0.5-1 h.
Priority Applications (1)
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