KR101073157B1 - Process of producing washable protein-fiber textiles and washable protein-fiber textiles thereby - Google Patents

Abstract

The present invention relates to a method for producing a water-soluble protein-based textile fabric which is treated with liquefied ammonia and a fabric protection agent so that the fabric does not generate elongation and shrinkage during water washing, and according to the present invention, it can be washed with water and has proper elasticity. It provides a protein-based textile fabric with a unique gloss and touch of protein-based fibers.

Description

Process of Producing Washable Protein-Fiber Textiles And Washable Protein-Fiber Textiles Thereby}

The present invention relates to a method of manufacturing a protein-based fabric that can be washed with water by processing a protein-based textile fabric treated with a fabric protective agent, and in detail, after the protein-based textile fabric is treated with a fabric protective agent, liquefied ammonia treatment, By tensioning (stretching), the contraction of light and weft is properly adjusted to fix the fabric shape while penetrating the liquefied ammonia into the protein-based fiber to restrain the swelling, which can be washed with water. The present invention relates to a method for providing a protein-based textile fabric having a gloss of and washable with water.

Protein-based fibers include filament and staple fibers, of which silk has the longest fiber length and finest materials, and it is excellent in breathability, hygroscopicity, moisture resistance and warmth, and at the same time, it can support fashion sense and healthy life. Since it is equipped with various conditions, it is firstly used as a material for women's stockings, and is the most advanced well-being textile material that can satisfy consumer needs.

In addition, protein-based fiber is the most excellent thermoregulatory effect among the fibers. The skin temperature of the person wearing the protein-based fiber shirt after checking the temperature change after wearing the protein-based fiber shirt and the cotton shirt for 1 hour at a temperature of 29 ± 1 ℃ and a humidity of 70 ± 5% It was measured to be about 2 ° C. lower than the skin temperature of a person wearing a masked shirt, indicating that the protein-based fiber is a comfortable fiber that controls the skin temperature.

In general, natural fibers have a greater affinity for water than synthetic fibers, and protein-based fibers in particular have 1.3-1.5 times more absorbent capacity than cotton. In the case where cotton is 1 as the basis for the moisture-permeable moisture dissipation, the protein-based fiber also has an excellent function of dissipating moisture at about 1.4. As described above, since the protein-based fiber has excellent hygroscopicity and rapid moisture-proofing speed, the wearer feels comfortable by suppressing the generation of static electricity when drying. In addition, protein-based fibers also have the function of absorbing the fat component generated in the skin, and has many advantages such as absorbing ultraviolet rays harmful to the odor and skin.

However, in spite of the various advantages listed above, due to the high stiffness of the protein-based fiber itself and difficulty in controlling maritime tension, the incidence of weaving defects is high, and thus the product development is limited. Due to the swelling characteristics of sericin and fibroin, the main constituents of the fiber, the dimensional change rate due to washing is more than 10%, which makes water washing impossible, and thus it is very difficult to handle and maintain protein-based textile fabrics. Accordingly, protein-based textile fabrics should be washed by a dry cleaning method using an organic solvent, which makes the washing of protein-based textile fabrics cumbersome and increases the washing cost, and the organic solvents used for dry cleaning to vaporize the environment. There has been a problem that is harmful to the human body.

In order to solve the above problems, research and development is progressing for the water-soluble protein-based fiber, for example, Korean Patent Publication No. 1991-3207 (name of the invention: water-washing silk fabric and its manufacture Method) discloses a water-washed silk fabric which is processed with an epoxy compound, a silicone resin, an aminoplast resin and / or a glyoxal resin and has a dimensional change rate of 3% or less by washing. However, the water-washing silk fabric having a dimensional change rate of 3% due to washing has a problem in that the dimensional change is large as the fabric, so that the shape may be deformed during water washing. In addition, since the silk fabric is treated with a resin compound, the touch is stiff and lacks elasticity, so the wear is not good, and the glossiness of the silk is degraded by the resin compound, thereby reducing the practicality and commerciality of the water-washed silk fabric. there was.

In addition, the Republic of Korea Patent Publication No. 10-0861715 (name of the invention: method for treating softener of silk material capable of water washing) is given a smoothness by being treated with a softener composition in which a variety of different softeners are blended, water washing is Disclosed are silk products which are formed as possible. The silk material lacks the binding force between the softener and the silk material, so that the softener component is removed every time it is washed with water, and thus the water washability is reduced. The silk material is immersed and washed several times with the softener composition. There was a problem that leads to an increase in manufacturing cost of the material, waste of energy and environmental pollution.

Therefore, in the present invention, the protein-based textile fabric is treated with a fabric protective agent, and then liquefied by liquefied ammonia treatment, while the liquefied ammonia protein-based protein is fixed while controlling the contraction of the light and weft by tension (stretching). It is a technical task to provide protein-based textile fabrics that can be washed with water by keeping the soft touch and handle unique to animal fibers while maintaining proper elasticity by penetrating into the fibers to suppress swelling.

In order to achieve the above object, in the present invention, the padding and heat treatment step of curing and heat-treating at 100 ~ 200 ℃ after padding the protein-based textile fabric in the fabric protection treatment solution containing 1 ~ 30% by weight of the fabric protection agent; Immersion step of immersing the protein-based textile fabric in the liquefied ammonia bath of purity 99.6 ~ 99.9%, -20 ~ -5 ℃, 0.1 ~ 3bar state after the heat treatment; A crimping step of removing the protein-based fiber fabric from the liquefied ammonia bath and then compressing the protein-based fabric to a pickup rate of 10 to 150%; The protein-based textile fabric is supported by a three-stage squeeze roller in steps of 10 to 1,000 kg in a first step, 50 to 1500 kg in a second step, and 100 to 2,000 kg in a third step in a diagonal direction of 0.01 to 3.5 kg. A tension step of applying tension; A heating step of passing the protein-based fiber fabric between heating drums having a non-woven felt material and having a temperature of 100 to 250 ° C .; Washing the ammonia remaining in the protein-based textile fabric with steam and water; And it provides a method of manufacturing a water-soluble protein-based fiber fabrics comprising a drying step of drying the protein-based fiber fabrics.

In addition, the present invention provides a protein-based textile fabric capable of washing water prepared by the above production method.

According to the present invention, the unique soft touch of the protein-based textile fabric is maintained by the fabric protecting agent treatment, the liquefied ammonia treatment, and the stretching (stretching) treatment, and the liquefied ammonia is brought into the protein-based fiber while appropriately controlling the shrinkage of light and weft yarns. By penetrating and suppressing swelling, it is possible to provide a modified protein-based textile fabric which can be washed with water and has proper elasticity and inherent gloss of protein-based fibers, thereby greatly improving the practicality and commerciality of protein-based textile fabrics. It has In addition, the processing method of the present invention is very simple and easy to process has the effect of energy saving, environmental pollution prevention and low processing cost.

1 is a process chart of the manufacturing method of the water-washable protein-based fiber fabric of the present invention,
Figure 2 is a photograph of the fabric obtained by the method for producing a water-washable protein-based textile fabric of the present invention.

The present invention can be washed by treating the protein-based textile fabric with liquefied ammonia in a diagonal direction by the squeeze roller to suppress the swelling of the protein-based textile fabric and to minimize the shrinkage caused by washing the protein-based textile fabric, water washing is possible In addition to providing protein-based textile fabrics with proper elasticity, the touch-cure of the protein-based fibers by alkaline treatment is a technical idea to maintain the unique soft touch of protein-based fibers by the fabric protective agent treatment.

When the protein-based fiber fabric is treated with liquefied ammonia, the light and weft yarns shrink as much as possible at the same time, and no longer shrink, and the liquefied ammonia penetrates into the protein-based fiber and suppresses the swelling of sericin and fibroin as the main components. The fabric is not shrunk by water washing. Further, by pulling the protein-based fiber fabric treated with liquefied ammonia in the oblique direction and adjusting the shrinkage of the light and weft yarns properly, it is possible to provide a high quality protein-based fiber fabric having morphological stability and elasticity. However, in order to prevent the touch from being hardened and the appearance uneven when the liquefied ammonia treatment is treated as it is, the fabric protection treatment is performed in advance to maintain the softness peculiar to the protein fiber.

With reference to the drawings and examples will be described in detail with respect to the manufacturing method of the water-soluble protein-based fiber fabrics of the present invention.

Figure 1 schematically shows the process of the method of manufacturing a water-washable protein-based fiber fabric of the present invention. Referring to Figure 1, first, the method of manufacturing a water-soluble protein-based fiber fabric of the present invention consists of a padding and heat treatment step, immersion step, compression step, tension step, heating step, washing step and drying step.

First, the padding and heat treatment step of the manufacturing method of the water-soluble protein-based textile fabric of the present invention is 100 ~ 100 ~ after padding the protein-based textile fabric in a fabric protection treatment containing 1 ~ 30% by weight of the fabric protective agent Curing and heat treatment at 200 ° C.

In the present invention, the protein-based textile fabrics include any one of wool fibers, silk, and casein fibers (milk fibers), but may also include blends or teaching fabrics using only some protein-based fibers or protein-based fibers. .

In general, when the thermal conditions of the protein-based textile fabric (1) is immersed in low-temperature liquefied ammonia as it is not stable, irregular contraction occurs in each of the protein-based fibers constituting the protein-based textile fabric (1) As a result, the density of the protein-based fiber fabric (1) is changed non-uniformly, the touch of the fabric may cause problems such as stiff (HARD). In order to solve this problem, in the present invention, before immersing the protein-based fiber fabric in liquefied ammonia, the fabric protection agent is padded in a fabric protection treatment solution containing 1 to 30% by weight, and then cured and heat treated at 100 to 200 ° C. The fabric protective agent is 1 to 10% by weight of ethyl alcohol, 0.1 to 5% by weight of acetic acid, 1 to 10% by weight of silicone-based softener, 0.5 to 5% by weight of polyethylene-based softener and the remainder of water-based protein liquefied It prevents rapid fabric hardening due to alkalinity of fabric during ammonia treatment, and is preferable for uniformity of fabric density and maintenance of fabric touch.

The silicone-based softener may be used in general. The polyethylene softener is 15 to 25% by weight of paraffin wax, 3 to 8% by weight of ethylene oxide nonionic surfactant, 2 to 5% by weight of polyethylene glycol surfactant, 0.5 to 1% by weight of silicone antifoaming agent, and the balance Can be used. The polyethylene-based softener can maintain stable physical properties even in acidic and alkaline, and excellent in preventing fabric hardening even in liquefied ammonia treatment, and can lower the surface friction of protein-based textile fabrics.

 In addition, in the present invention, the protein-based textile fabric (1) subjected to a conventional processing process, such as deburring, refining, to prevent the deformation and density non-uniformity of the protein-based textile fabric due to the liquefied ammonia as described above, After padding the fabric protection treatment liquid in 2) and heat treatment at 100 ~ 200 ℃ by known heat treatment means such as heat treatment drum (3) to stabilize the thermal conditions uniformly.

When heat-treated protein-based textile fabrics with uniform thermal conditions as described above are immediately immersed in liquefied ammonia, the warp and weft yarns constituting the protein-based textile fabrics are shrunk uniformly, and the fabric surface is protected. Uneven density change of protein-based fiber fabrics and rapid fabric hardening due to alkalinity can be prevented. If the temperature of the heat treatment of the protein-based fiber fabric is less than 100 ℃ thermal conditions of the protein-based fiber fabric is not uniformly stabilized may cause a phenomenon that the density of the protein-based fiber fabric is unevenly changed by the liquefied ammonia, the heat treatment If the temperature is higher than 200 ℃ can be degraded protein-based fabric due to high heat.

Since the warp and weft yarns are uniformly contracted during the treatment of liquefied ammonia, the protein-based fiber fabrics which are heat treated as described above and are uniformly stable in thermal conditions do not change unevenly.

After the padding and heat treatment step, the immersion step of immersing the protein-based fiber fabric in a liquefied ammonia bath of purity 99.6 ~ 99.9%, -20 ~ -5 ℃, 0.1 ~ 3bar state. The padded and heat treated protein based textile fabric 1 is immersed in the liquefied ammonia contained in the liquefied ammonia sedimentation tank 4 so that the light and weft of the protein based textile fabric is maximally deflected at the same time. The liquefied ammonia-treated protein-based textile fabric is not only shrinkage at the same time as hard and weft, but also liquefied ammonia that penetrates into the fiber of the protein-based textile fabric inhibits swelling of sericin and fibroin, and thus the final processed protein-based textile fabric. The fabric has a characteristic that it hardly shrinks even when washing with water without hardening the touch.

As described above, the protein-based textile fabric absorbing liquefied ammonia causes severe shrinkage in the width direction, that is, the weft direction. At this time, as the tension applied in the longitudinal direction, that is, the warp direction increases, the contraction phenomenon in the weft direction increases. Indicates. As described above, when tension (stretching) is applied by adjusting the tension applied in the inclined direction of the protein-based fiber fabric absorbing liquefied ammonia, the fabric shape is fixed by appropriately controlling the shrinkage of the light and weft of the protein-based fiber fabric. At the same time, it is possible to obtain a water-soluble protein-based fiber fabric of the desired physical properties.

However, the protein-based textile fabric saturated with liquefied ammonia becomes physically difficult to properly apply tension in an oblique direction, and thus, it is difficult to fix the weave shape by appropriately adjusting the shrinkage of light and weft yarns. Therefore, in order to appropriately adjust and stretch the tension applied to the inclined direction of the protein-based fibrous fabric absorbing liquefied ammonia, first, the ammonia pick-up rate of the protein-based fibrous fabric absorbing liquefied ammonia is fixed within a certain range. It is essential to adjust it.

In the present invention, the protein-based textile fabric is taken out of the liquefied ammonia bath, and then pressed to obtain a 10-150% pick-up rate. Will be adjusted.

In order to effectively adjust the tension applied to the inclined direction of the liquefied ammonia-treated protein-based textile fabric in the liquefied ammonia bath (4), the protein-based textile fabric is known such as mangle (mangle, 5), etc. By pressing using a pickup rate adjusting means, a protein-based fiber fabric having a liquefied ammonia pickup rate of 10 to 150% is formed.

Protein-based textile fabrics adjusted to liquefied ammonia pick-up rate of 10 to 150% are physically easy to apply tension in the oblique direction, and accordingly, the contraction of the light and weft of the protein-based textile fabrics is appropriately controlled. At the same time to be able to prepare a washable protein-based fiber fabric of the desired physical properties. If the liquefied ammonia pickup rate of the protein-based fibrous fabric is less than 10% adversely affects the shrinkage characteristics of the protein-based fibrous fabric, if the liquefied ammonia pickup rate is more than 150% to the liquefied ammonia picked up excessively in the protein-based fibrous fabric Therefore, it is physically difficult to apply the tension properly in the oblique direction.

When the appropriate tension is applied to the protein-based textile fabric of the liquefied ammonia pick-up rate as described above in the oblique direction, it is possible to adjust the contraction of the weft yarn, it is possible to produce a water-washable protein-based textile fabric of the desired physical properties.

When the pressing step is completed, a tension (stretching) step of applying a tension of 0.01 to 3.5 kg in the inclined direction while supporting the protein-based fiber fabric at a pressure of 10 to 2,000 kg by the squeeze roller 6 is performed.

Protein-based fibrous fabric absorbing liquefied ammonia shrinks the weft and weft. As the tension applied to the warp direction increases, the contraction of the weft direction tends to increase. Therefore, the degree of contraction in the weft direction of the protein-based fiber fabric can be determined according to the strength of the tension applied in the inclined direction of the protein-based fiber fabric. Based on this, the shrinkage of the hard and the weft yarn can be appropriately adjusted. It can be modified with protein-based fibres and fixed in shape.

Specifically, the protein-based fibrous fabric of which the liquefied ammonia pickup rate is controlled by the pressing step is 10 to 1,000 kg in the first step, 50 to 1,500 kg in the second step, and 100 to the third step by the third step squeeze roller in the tensile step. The modified protein is fixed in shape and stretched by applying a tension of 0.01 to 3.5 kg in the inclined direction of the protein fiber fabric with the squeeze roller while pressing to support the step by step at a pressure of 2,000 kg to remove the liquefied ammonia. To form a textile fabric.

When the squeeze pressure of the squeeze roller pressurized to remove the liquefied ammonia from the protein-based fiber fabric is less than 10 kg, the squeeze pressure is insufficient and the liquefied ammonia is not properly removed from the protein-based fiber fabric, and the squeeze pressure of the squeeze roller 6 When the weight exceeds 2,000 kg, the squeeze pressure becomes excessive, making it difficult to apply tension in the inclined direction of the protein fiber fabric. Further, when the tension applied by the squeeze roller to pull in the inclined direction of the protein-based fiber fabric is less than 0.01 kg, the elasticity of the finished protein-based fiber fabric is lowered, and when the applied tension exceeds 3.5 kg, the protein-based The fiber fabric may be excessively shrunk in the weft direction may cause a problem that the fabric wrinkles are formed. The liquefied ammonia remains in the modified protein-based fibrous fabric fixed by the tension applied in the inclined direction as described above, and the residual liquefied ammonia is removed by heat treatment and washing with water to finally wash the protein-based fibrous fabric. Is obtained.

When the tensioning step is completed, a protein-based textile fabric is made of a cotton nonwoven felt material, and a heating step of passing through a heating drum 7 having a temperature of 100 to 250 ° C. is performed. The heating drum of the present invention is a conventional metal heating drum. Felt wrapped around the periphery will be used. The heating drum may be used to inject steam by having a steam injection port on the surface of the heating drum, it is possible to efficiently remove the ammonia gas by direct steam injection.

However, when the protein-based textile fabric is heated using a general metal heating drum to remove residual liquefied ammonia, the fabric may be cured and unnecessary gloss may occur. In addition, fluff may occur on the surface of the final protein-based textile fabric due to the influence of liquefied ammonia remaining after passing through the heating drum.

Therefore, in the present invention, the outer circumferential surface of the cotton non-woven fabric felt using a heating drum (7), the felt is interposed between the metal heating drum and the fiber fabric so that the metal heating drum does not directly contact the protein-based fiber fabric to cure the fabric and While preventing the occurrence of gloss, liquefied ammonia outside the fiber is removed by evaporation of more than 99%, to form a dry protein-based fabric that does not generate fluff on the surface.

When the heating step is completed, a washing step of washing the ammonia remaining in the protein-based fiber fabric with steam and water, specifically, the steam shower while applying the protein-based fiber fabric to the steam shower washer (8), followed by a water washer While passing through (9), it is washed by water jet to completely remove ammonia outside the protein fiber. The ammonia remaining on the outside of the protein-based fiber of the protein-based fiber is completely washed away by steam shower and water spray which are sequentially applied.

On the other hand, some of the ammonia inside the fiber of the protein-based fiber fabric may remain, the residual ammonia can suppress the swelling of sericin and fibroin to inhibit the shrinkage of the protein-based fiber fabric by water washing.

After the washing step, a drying step of drying the protein-based textile fabric is performed to complete the manufacturing method of the water-soluble protein-based textile fabric of the present invention. The protein-based textile fabric from which the ammonia outside the protein-based fiber is completely removed by steam shower and water spray is dried by a known drying means such as a drying drum (10) to change the washing size 1% or less, elongation 12-15% Phosphorus-washable protein-based textile fabrics are obtained.

Finally, the protein-based fiber fabric obtained is liquefied ammonia treatment and tensioning (stretching) process, while controlling the shrinkage of the light and weft of the protein-based fiber fabric, while infiltrating the liquefied ammonia into the protein-based fiber to suppress the swelling phenomenon, It is possible to provide protein-based textile fabrics that can be washed with water and have adequate elasticity and inherent gloss.

In addition, as described above, the water-washable protein-based fiber fabric produced by the method for manufacturing a water-washable protein-based fiber fabric of the present invention has a very simple manufacturing process and is easy to manufacture and low in manufacturing cost.

The method for producing a water-soluble protein-based fiber fabric of the present invention will be described in detail with reference to specific examples. However, the following examples are only for illustrating the present invention in detail, and do not limit the present invention.

Example 1

1. Padding and heat treatment step

25% by weight of the silk fabric woven into plain weave (consisting of 4% by weight of ethyl alcohol, 2% by weight of acetic acid, 5% by weight of silicone softener, 2% by weight of polyethylene softener, and 87% by weight of water). After padding the fabric protection solution was made, the curing and heat treatment by a heat treatment chamber heated to 150 ℃.

2. Immersion stage

After the heat treatment, the fabric was immersed in a liquefied ammonia bath of 99.9% purity, -10 ℃, 2bar state.

3. Pressing step

The fabric was taken out of the liquefied ammonia bath and pressed with a mangle to a 50% pickup rate.

4. Tension stage

The fabric was pressurized by 500, 1000, 1500 kg step by squeeze roller while applying a tension of 0.15 kg in the oblique direction.

5. Heating step

The fabric was passed between heating drums (temperature 150 ° C.) in which the outer circumferential surface was made of cotton nonwoven fabric felt and there was a steam injection port on the heating drum surface to inject steam.

6. Cleaning step

The fabric was added with a steam shower while passing directly through a steam shower washer followed by washing with water spray while passing through a water washer.

7. Drying Step

The fabric was dried in a drying drum to complete the method of manufacturing a water-based protein-based textile fabric of the present invention.

[Example 2]

The same procedure as in Example 1 was carried out except that the silk fabric of Example 1 was used as a wool fabric.

Comparative Example 1

Silk fabric consisting of plain weave was used as it is.

Comparative Example 2

Wool fiber fabric consisting of plain weave was used as it is.

For the fabrics of the above Examples and Comparative Examples, washing shrinkage rate, elongation, and THV (Total Handle Value) values were measured based on KS K ISO 5077, which is a test method for washing shrinkage of fabrics, and KS K 0943, which is an elongation test method for fabrics. The results are shown in Table 1 below.

division Example 1 Example 2 Comparative Example 1 Comparative Example 2 Washing shrinkage rate (%) 0.5 1.2 10.5 10.2 Shinto (%) 12 10 4 3 THV (TOTAL HANDLE VALVE) 4.5 4.2 4.6 4.3

In Table 1, the protein-based fiber fabric according to the example was found to be much better than the shrinkage rate and elongation of the protein-based fiber fabric according to the comparative example. In addition, the THV values indicating touch and handle are similar to the protein-based textile fabrics according to the fabrics of the examples and the comparative example.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

1: protein based textile fabric 2: fabric protection solution bath
3: heat treatment drum 4: liquefied ammonia bath
5: mangle 6: squeeze roller
7: heating drum 8: steam shower washer
9: washing machine 10: drying drum

Claims (5)

1-10% by weight of ethyl alcohol, 0.1-5% by weight of acetic acid, 1-10% by weight of silicone softener, 1-10% by weight of polyethylene softener, and 1-30% by weight of fabric protective agent consisting of water A padding and heat treatment step of curing and heat-treating at 100 to 200 ° C. after padding the treated fabric protection solution;
Immersion step of immersing the protein-based textile fabric in the liquefied ammonia bath of purity 99.6 ~ 99.9%, -20 ~ -5 ℃, 0.1 ~ 3bar state after the heat treatment;
A crimping step of removing the protein-based fiber fabric from the liquefied ammonia bath and then compressing the protein-based fabric to a pickup rate of 10 to 150%;
The protein-based textile fabric is supported by a three-stage squeeze roller in steps of 10 to 1,000 kg in a first step, 50 to 1500 kg in a second step, and 100 to 2,000 kg in a third step in a diagonal direction of 0.01 to 3.5 kg. A tension step of applying tension;
A heating step of passing the protein-based fiber fabric between heating drums having a non-woven felt material and having a temperature of 100 to 250 ° C .;
Washing the ammonia remaining in the protein-based textile fabric with steam and water; And
A method of manufacturing a water-based protein-based fiber fabrics, including a drying step of drying the protein-based fabrics.
The method of claim 1, wherein the protein-based textile fabric is a method for producing a water-washable protein-based textile fabric, characterized in that it comprises a fiber which is any one of silk, wool, casein fibers.
delete According to claim 1, wherein the polyethylene softener is paraffin wax 15 to 25% by weight, ethylene oxide nonionic surfactant 3 to 8% by weight, polyethylene glycol surfactant 2-5% by weight, silicone antifoam 0.5-1% by weight And water-washable protein-based fiber fabrics manufacturing method characterized in that consisting of water as the remainder.
A water-washable protein-based textile fabric prepared by the method of any one of claims 1 to 2 and 4.

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