CN112568767A

CN112568767A - Quick-dry sports towel

Info

Publication number: CN112568767A
Application number: CN201910929537.9A
Authority: CN
Inventors: 吕丹华
Original assignee: Suzhou Weiran Textile Co ltd
Current assignee: Suzhou Weiran Textile Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2021-03-30
Anticipated expiration: 2039-09-27
Also published as: CN112568767B

Abstract

The invention discloses a quick-drying sports towel which is formed by sequentially laminating and compounding an antibacterial quick-drying layer and a moisture absorption and sweat releasing layer; the antibacterial quick-drying layer is formed by mixing and spinning modified antibacterial natural fibers and hydrophobic bamboo fibers; the moisture absorption and sweat releasing layer is prepared by the following preparation method: s1, weighing the following raw materials in parts by weight: 45-62 parts of Coolmax fiber, 32-59 parts of chitin fiber and 2-5 parts of spandex; s2, weaving the Coolmax fiber, the chitin fiber and the spandex weighed in the step S1 to obtain a fabric layer; and S3, putting the fabric layer obtained in the step S2 into hydrophilic finishing liquid to be soaked for 20-30 min, dewatering, performing microwave treatment for 4-6min, and drying to obtain the moisture-absorbing and sweat-releasing layer. The moisture-absorbing and sweat-releasing fabric has excellent moisture-absorbing and sweat-releasing effects, antibacterial property and quick drying property, so that the towel can keep cool and refreshing feeling all the time, the comfort degree of the fabric is greatly improved, the hand feeling is soft, the environment is protected, and the moisture-absorbing and sweat-releasing fabric has biodegradability and is durable in use.

Description

Quick-dry sports towel

Technical Field

The invention relates to the technical field of towels, in particular to a quick-drying sports towel.

Background

The sports towel is specially designed for sports, and is optimally designed for sports in aspects of material use, specification and size, water absorption and the like, so that the sports towel is different from a towel of a common product and is a necessary product for aerobic sports, outdoor exploration and travel. When the towel is used for wiping face, grease on the face and aged skin are very easy to adhere to the towel, and the towel is used in a wet state most of the time, so that nutritional conditions are provided for the growth of microorganisms, bacteria are easy to breed, unpleasant taste is generated, and the health of human bodies is seriously harmed. Along with the social progress and the continuous improvement of living standard, the health care consciousness of people is increasingly strengthened, the functional requirements of users on the sports towel are higher and higher, the requirements are green and environment-friendly, and the moisture absorption quick-drying performance and the antibacterial performance are excellent, and no towel product which can simultaneously meet the requirements of green and environment-friendly properties and has excellent moisture absorption quick-drying performance and antibacterial performance exists in the current market. The existing environment-friendly towels in the market are mainly made of natural fibers, but the natural fiber towels cannot have the dual functions of moisture absorption and quick drying, and although the terylene/chinlon moisture absorption quick drying sport towels and the chemical fiber towels finished by the aid in a hydrophilic mode have good moisture absorption and quick drying performances, chemical fiber raw materials cannot be biodegraded, so that the environment-friendly sport towels are not friendly to the environment.

Disclosure of Invention

The invention aims to overcome the defects and provides the quick-drying sports towel which has excellent moisture absorption and sweat releasing effects, antibacterial property and quick-drying property, so that the towel can keep cool and refreshing feeling all the time, the comfort level of the fabric is greatly improved, the towel is soft in hand feeling, green and environment-friendly, biodegradable and durable.

In order to achieve the purpose, the invention provides the following technical scheme that the quick-drying sports towel is formed by sequentially laminating and compounding an antibacterial quick-drying layer and a moisture absorption and sweat releasing layer;

the antibacterial quick-drying layer is formed by mixing and spinning modified antibacterial natural fibers and hydrophobic bamboo fibers;

the moisture absorption and sweat releasing layer is prepared by the following preparation method:

s1, weighing the following raw materials in parts by weight: 45-62 parts of Coolmax fiber, 32-59 parts of chitin fiber and 2-5 parts of spandex;

s2, weaving the Coolmax fiber, the chitin fiber and the spandex weighed in the step S1 to obtain a fabric layer;

and S3, putting the fabric layer obtained in the step S2 into hydrophilic finishing liquid to be soaked for 20-30 min, dewatering, performing microwave treatment for 4-6min, and drying to obtain the moisture-absorbing and sweat-releasing layer.

The antibacterial quick-drying layer is formed by mixing and spinning modified antibacterial natural fibers and hydrophobic bamboo fibers, when liquid water enters the antibacterial quick-drying layer, the modified antibacterial natural fibers with the water absorption property absorb water, the hydrophobic bamboo fibers with the water absorption property conduct water molecules, when the modified antibacterial natural fibers and the hydrophobic bamboo fibers are blended together, the water molecules generate a capillary phenomenon in the antibacterial quick-drying layer, the water molecules are stored around gaps between the modified antibacterial natural fibers and the hydrophobic bamboo fibers to form a capillary state, a capillary effect is formed, the moisture absorption and the moisture conduction of the towel can be improved, and therefore the towel can keep good quick-drying property and cool feeling.

The moisture absorbed by the antibacterial quick-drying layer is discharged through the moisture-absorbing and sweat-releasing layer, and the moisture-absorbing and sweat-releasing layer has excellent moisture-absorbing, sweat-releasing, air-permeable and antibacterial properties; coolmax fibers in the moisture absorption and sweat releasing layer are Coolmax fibers produced by INVISTA, have the specification of 75D, belong to novel polyester fibers, have unique cross-sectional shapes of four tubes, are hollow fibers, and have air permeability, and just because of the unique physical structure of the Coolmax fibers, the Coolmax fibers have excellent capillary effects, namely, the moisture absorption, sweat releasing and air permeability are excellent; the chitin fiber in the moisture-absorbing and sweat-releasing layer is a natural high polymer fiber which is formed by processing and polymerizing shells of marine organisms such as shrimps, crabs and the like through degreasing, decalcification and the like, has excellent bioactivity, biocompatibility, antibacterial performance and biodegradability, has a strong nursing function on human skin, and has the following physical indexes: the fineness is 1.5-3.0 denier, the breaking strength of the fiber is more than or equal to 1.5cN/dtex, the irregularity of the breaking strength is less than or equal to 12 percent, and the elongation at break is more than or equal to 15 percent; the spandex in the moisture absorption and sweat releasing layer is the towel with good elasticity.

The quick-drying sports towel is characterized in that the microwave processing conditions in step S3 are as follows: the microwave power is 300-500W, and the microwave frequency is 2460 MHz.

The quick-drying sports towel is characterized in that the modified antibacterial natural fiber is prepared from the following raw materials in parts by weight: 40-90 parts of silkworm pupa protein fiber, 100 parts of corn cellulose, 2-10 parts of xylose, 0.1-5 parts of biomass graphene and 0.02-0.15 part of nano-silver.

Preferably, the modified antibacterial natural fiber is prepared from the following raw materials in parts by weight: 85 parts of silkworm pupa protein fiber, 100 parts of corn cellulose, 3 parts of xylose, 1.4 parts of biomass graphene and 0.08 part of nano-silver.

The quick-drying sports towel is prepared from the modified antibacterial natural fibers by the following preparation method:

(1) weighing silkworm pupa protein fibers, corn cellulose, xylose, biomass graphene and nano silver according to the formula ratio;

(2) sequentially adding the xylose and the corn cellulose weighed in the step (1) into a reactor, uniformly mixing at the temperature of 60 ℃, and standing for 20-35 min to obtain a spinning stock solution;

(3) sequentially filtering, defoaming and spinning the spinning solution obtained in the step (2) to obtain modified corn fibers;

(4) and (3) blending and weaving the modified corn fiber obtained in the step (3) and the silkworm pupa protein fiber weighed in the step (1) to obtain the modified antibacterial natural fiber.

The modified antibacterial natural fiber is obtained by blending and weaving the silkworm pupa protein fiber and the modified corn fiber, has excellent antibacterial effect, and can improve the cold feeling effect of the quick-drying sports towel; the modified corn fiber can generate a heat absorption effect, so that the skin feels cool rapidly, and meanwhile, the modified corn fiber is added with the biomass graphene and the nano silver, so that the modified corn fiber has antibacterial performance and can rapidly kill cocci and disease bacteria; the silkworm pupa protein fiber contains hydrophilic groups and natural moisturizing factors, and the observation of an electron microscope shows that the surface of the silkworm pupa protein fiber is not smooth and has countless fine grooves; the transverse section is irregular ellipse and waist-shaped, a cavity is arranged in the transverse section, gaps with large and small sizes are arranged on the transverse section, cracks are arranged on the edge of the transverse section, and the gaps, the grooves and the cracks can form a good capillary effect, quickly absorb and disperse moisture and sweat on the surface layer of the skin, and have excellent moisture-conducting and air-permeable performances.

The quick-drying sports towel is prepared from the hydrophobic bamboo fibers by the following preparation method:

(a) crushing bamboo fibers, dispersing the bamboo fibers in water, shearing the crushed bamboo fibers into nano-scale bamboo fiber dispersion liquid by using a high-speed shearing emulsifier, adjusting the pH to 3.5-4.8, adding a hydrophobic silanization reagent, performing ultrasonic dispersion for 10-30 min, filtering, and collecting precipitates;

(b) and (b) washing the precipitate obtained in the step (a) to be neutral through deionized water, drying, extruding through a screw, carrying out melt spinning, and then opening to obtain the hydrophobic bamboo fiber.

Preferably, the mass ratio of the bamboo fibers to the hydrophobic silanization reagent in the step (a) is 100: 4 to 4.2.

The hydrophobic bamboo fiber prepared by the method effectively overcomes the defect of poor waterproof effect of the traditional bamboo fiber, and the bamboo fiber is subjected to hydrophobic modification after nano treatment, so that the modified bamboo fiber reaches a super-hydrophobic structure, and meanwhile, the water washing resistance of the quick-drying sports towel is enhanced.

Compared with the prior art, the invention has the beneficial effects that: the fabric has excellent moisture absorption and sweat releasing effects, antibacterial property and quick drying property, enables the towel to keep cool and refreshing feeling all the time, greatly improves the comfort level of the fabric, is green and environment-friendly, has biodegradability, and simultaneously has excellent water washing resistance, high repeated utilization rate and long service life. The modified antibacterial natural fiber and the hydrophobic bamboo fiber are both excellent in biodegradability and can be naturally degraded after being discarded, secondary pollution to the environment is avoided, the environmental protection requirement of the product is met, when liquid water enters the antibacterial quick-drying layer, the modified antibacterial natural fiber with the water absorption property absorbs water, the hydrophobic bamboo fiber with the water absorption property conducts water molecules, when the modified antibacterial natural fiber and the hydrophobic bamboo fiber are blended together, the water molecules generate a capillary phenomenon in the antibacterial quick-drying layer, the water molecules are stored around the gap between the modified antibacterial natural fiber and the hydrophobic bamboo fiber to form a capillary state, meanwhile, the water molecules form a capillary effect with crack liquid in gaps and grooves on the surface of the silkworm pupa protein fiber, and the moisture absorption property and the moisture conductivity of the towel can be improved, thereby keeping the towel with good quick-drying property and cool feeling; the moisture absorbed by the antibacterial quick-drying layer is discharged through the moisture-absorbing and sweat-releasing layer, and the moisture-absorbing and sweat-releasing layer has excellent moisture-absorbing, sweat-releasing, air-permeable and antibacterial properties.

Drawings

Fig. 1 is a schematic structural view of the quick-drying sports towel of the present invention.

FIG. 2 is a flow chart of the method for preparing the moisture-absorbing and sweat-releasing layer of the present invention.

FIG. 3 is a flow chart of the preparation method of the modified antibacterial natural fiber of the present invention.

FIG. 4 is a flow chart of a method for preparing hydrophobic bamboo fibers according to the present invention.

FIG. 5 is a biodegradation curve of sample 1 in the test examples.

FIG. 6 is a biodegradation curve of sample 2 in the test example.

FIG. 7 is a biodegradation curve of sample 3 in the test example.

The correspondence between each mark and the part name is as follows:

an antibacterial quick-drying layer 1 and a moisture-absorbing sweat-releasing layer 2.

Detailed Description

In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.

Example 1

Referring to fig. 3, the modified antibacterial natural fiber is prepared from the following raw materials by weight: 45g of silkworm pupa protein fiber, 100g of corn cellulose, 2g of xylose, 0.1g of biomass graphene and 0.02g of nano-silver.

The preparation method of the modified antibacterial natural fiber comprises the following steps:

(2) sequentially adding the xylose and the corn cellulose weighed in the step (1) into a reactor, uniformly mixing at the temperature of 60 ℃, and standing for 21min to obtain a spinning stock solution;

Example 2

Referring to fig. 3, the modified antibacterial natural fiber is prepared from the following raw materials by weight: 89g of silkworm pupa protein fiber, 100g of corn cellulose, 8.3g of xylose, 5g of biomass graphene and 0.15g of nano-silver.

(2) sequentially adding the xylose and the corn cellulose weighed in the step (1) into a reactor, uniformly mixing at the temperature of 60 ℃, and standing for 35min to obtain a spinning stock solution;

Example 3

Referring to fig. 3, the modified antibacterial natural fiber is prepared from the following raw materials by weight: 85g of silkworm pupa protein fiber, 100g of corn cellulose, 3g of xylose, 1.4g of biomass graphene and 0.08g of nano-silver.

Example 4

Referring to fig. 4, a hydrophobic bamboo fiber is prepared by the following preparation method:

(a) crushing bamboo fiber, dispersing in water, adjusting the pH value to 4.1, adding a hydrophobic silanization reagent, performing ultrasonic dispersion for 25min, filtering, and collecting precipitate;

Wherein the mass ratio of the bamboo fibers to the hydrophobic silanization reagent in the step (a) is 100: 4.2.

the hydrophobic silylation agent in this embodiment is hexadecyl triethoxy silane.

Example 5

(a) crushing bamboo fiber, dispersing in water, adjusting pH to 4, adding a hydrophobic silanization reagent, performing ultrasonic dispersion for 11min, filtering, and collecting precipitate;

Wherein the mass ratio of the bamboo fibers to the hydrophobic silanization reagent in the step (a) is 100: 4.1.

Example 6

(a) crushing bamboo fiber, dispersing in water, adjusting the pH value to 4.8, adding a hydrophobic silanization reagent, performing ultrasonic dispersion for 30min, filtering, and collecting precipitate;

Wherein the mass ratio of the bamboo fibers to the hydrophobic silanization reagent in the step (a) is 100: 4.

Example 7

As shown in figure 1, the quick-drying sports towel is formed by sequentially laminating and compounding an antibacterial quick-drying layer 1 and a moisture absorption and sweat releasing layer 2.

The anti-bacterial quick-drying layer 1 and the moisture-absorbing and sweat-releasing layer 2 in the quick-dry moving towel in the embodiment are laminated in a cold pressing compounding mode.

Wherein, the antibacterial quick-drying layer 1 is formed by mixing and spinning modified antibacterial natural fibers and hydrophobic bamboo fibers.

The modified antibacterial natural fiber in this example is the modified antibacterial natural fiber prepared in example 3, and the hydrophobic bamboo fiber in this example is the hydrophobic bamboo fiber prepared in example 6.

Referring to fig. 2, in the medium speed dry exercise towel of the embodiment, the moisture absorption and sweat releasing layer 2 is prepared by the following preparation method:

s1, weighing the following raw materials by weight: 45g of Coolmax fiber, 32g of chitin fiber and 2g of spandex;

and S3, soaking the fabric layer obtained in the step S2 in hydrophilic finishing liquid for 20min, dehydrating, performing microwave treatment for 4min, and drying to obtain the moisture-absorbing and sweat-releasing layer 2. Wherein, the microwave treatment conditions are as follows: the microwave power is 410W, and the microwave frequency is 2460 MHz.

The silkworm pupa protein fiber in the embodiment adopts Shengsang brand silkworm pupa protein fiber produced by Yibin Siliqua group company.

Coolmax fibers manufactured by INVISTA were used as Coolmax fibers in this example.

Example 8

s1, weighing the following raw materials by weight: 62g of Coolmax fiber, 58g of chitin fiber and 5g of spandex;

and S3, soaking the fabric layer obtained in the step S2 in hydrophilic finishing liquid for 28min, dehydrating, performing microwave treatment for 6min, and drying to obtain the moisture-absorbing and sweat-releasing layer 2. Wherein, the microwave treatment conditions are as follows: the microwave power is 500W, and the microwave frequency is 2460 MHz.

Example 9

s1, weighing the following raw materials by weight: 58g of Coolmax fiber, 40g of chitin fiber and 3.5g of spandex;

and S3, putting the fabric layer obtained in the step S2 into hydrophilic finishing liquid to be soaked for 25min, dehydrating, performing microwave treatment for 6min, and drying to obtain the moisture-absorbing and sweat-releasing layer 2. Wherein, the microwave treatment conditions are as follows: the microwave power is 500W, and the microwave frequency is 2460 MHz.

Test examples

Preparation of test samples: the quick dry sport towels prepared in examples 7-9 were labeled as sample 1, sample 2, and sample 3, respectively.

And (3) detecting the bacteriostatic property: the quick-drying sport towels prepared in examples 7-9 were tested for antibacterial properties according to GB/T20944-2007 standard, and the experimental strain was Staphylococcus aureus. Then washing the quick-drying exercise towel for 30 times, and testing the antibacterial rate of the quick-drying exercise towel again; the test results are shown in table 1.

Water absorption: testing according to a JIS L1907-2010 textile water absorption test method; the test results are shown in table 1.

And (3) measuring the washing fastness: tested according to GB/T3921.1-1997 standard. In a model SW-12A colorfastness to washing tester. And (3) soaking the quick-drying exercise towel in 2g/L soap solution, washing for 10min by oscillation at 40 ℃, and washing for 2min by clear water to finish one-time washing. The test results are shown in table 1.

Quick-drying (residual moisture rate within 60 min): the quick drying property was measured as follows

1. Sample preparation

3 circular quick-drying sports towels with the diameter of 10cm, 20 ℃ distilled water, a stopwatch and a circular glass cover.

2. Measurement of

0.1ml of soft water was sampled and injected into the glass cover, and the sample was spread on the glass cover to sufficiently suck the water in. The samples were then weighed every 5min over 60min and the results averaged over three samples. The residual moisture rate is calculated by the formula:

residual water fraction (% sample weight-sample dry weight)/(sample weight after water addition-sample dry weight) × 100%.

The test results are shown in table 1.

Biodegradability: the test was carried out by composting test, the test procedure being as follows: 100g of compost is taken, 12g of sample adding product is taken, distilled water is added to ensure that the water content of the mixture is 53 percent, the mixture is placed in a constant temperature incubator at 56 ℃ after being fully mixed, soluble alkali liquor is used as CO2 gas absorption liquid, and the mixture is subjected to strong composting requirement under the specified oxygen concentration, temperature and moderate degree. The test results are shown in FIGS. 5 to 7.

Fig. 5 is a biodegradation curve of the quick-drying sports towel of example 7, fig. 6 is a biodegradation curve of the quick-drying sports towel of example 8, and fig. 7 is a biodegradation curve of the quick-drying sports towel of example 9.

TABLE 1 TEST TABLE FOR PROPERTIES OF SAMPLE 1-SAMPLE 3

As can be seen from table 1, the quick-drying towel of the present invention has excellent moisture absorption and sweat releasing effects, antibacterial properties, quick-drying properties, good antibacterial properties against staphylococcus aureus, good water resistance, and still excellent antibacterial effects after 30 washes.

As can be seen from the figures 5-7, the degradation rate of the quick-drying towel in 100 days is as high as more than 91%, the quick-drying towel is environment-friendly, and the environmental pressure caused by the use of the terylene/chinlon moisture absorption quick-drying sports towel is relieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A quick-dry sports towel is characterized in that the towel is formed by sequentially laminating and compounding an antibacterial quick-dry layer and a moisture absorption and sweat releasing layer;

2. The quick drying sports towel according to claim 1, wherein the microwave treatment conditions in step S3 are: the microwave power is 300-500W, and the microwave frequency is 2460 MHz.

3. The quick-drying sports towel according to claim 1, wherein the modified antibacterial natural fiber is prepared from the following raw materials in parts by weight: 40-90 parts of silkworm pupa protein fiber, 100 parts of corn cellulose, 2-10 parts of xylose, 0.1-5 parts of biomass graphene and 0.02-0.15 part of nano-silver.

4. The quick-drying sports towel according to claim 3, wherein the modified antibacterial natural fiber is prepared from the following raw materials in parts by weight: 85 parts of silkworm pupa protein fiber, 100 parts of corn cellulose, 3 parts of xylose, 1.4 parts of biomass graphene and 0.08 part of nano-silver.

5. The quick drying sport towel according to claim 3 wherein said modified antimicrobial natural fiber is prepared by the following preparation method:

6. The quick-drying sports towel according to claim 1, wherein the hydrophobic bamboo fiber is prepared by the following preparation method:

(a) crushing bamboo fibers, dispersing the bamboo fibers in water, adjusting the pH value to 3.5-4.8, adding a hydrophobic silanization reagent, performing ultrasonic dispersion for 10-30 min, filtering, and collecting precipitates;

7. The quick drying sports towel according to claim 6, wherein the mass ratio of bamboo fiber to hydrophobic silanization reagent in step (a) is 100: 4 to 4.2.