KR101028577B1 - Fabric for screen including dope dyed fiber - Google Patents

Abstract

Screen fabric including the original yarn according to the present invention is composed of a general yarn and a yarn, the yarn is inclined and weft, or included in a warp or weft yarn or the yarn and the weft yarn is mixed or fused to warp and weft, or inclined or Included in the weft yarn, after the post-processing of the fabric, provides a screen fabric with a brightness difference ± 2 or less, chroma difference ± 2 or less, color difference ± 0.1 or less.

Original yarn, fabric, discoloration, low melting yarn, screen

Description

Screen Fabric with Original Yarn {FABRIC FOR SCREEN INCLUDING DOPE DYED FIBER}

The present invention relates to a fabric for screens containing the original yarn, in particular, the dyeing process of the fabric is unnecessary by using the original yarn to shorten the manufacturing process, the fabric to minimize the discoloration of the fabric by the post-treatment of the fabric It is about.

Generally, screens are manufactured by weaving thin metal plates, wooden boards, plastic boards, etc. at regular intervals to protect privacy and block sunlight inside homes, hotels, restaurants, and other buildings. There are many products that are made by cutting a certain width of the fabric, winding it with a roll and fixing it to a window so that a user can unwind the roll to cover the window or roll the roll to secure a view. This product is called roll roll, panel screen, vertical, etc. by cutting the fabric in the form of rolls and panels.

The fabric for manufacturing the screen is conventionally used PVC (polyvinylcholide: polyvinyl chloride), but PVC is decomposed in the event of a fire, PVC is very harmful to the human body as chlorine (Cl) gas is generated because the United States, Japan, In most countries, such as Europe, it is banned, and recently, many fabrics made of PET (polyethyleneterephthalate), a polyester-based synthetic resin having excellent heat resistance, rigidity, electrical properties, oil resistance, and strong temperature and humidity effects are used.

In order to impart color to the screen made of the fabric made of the PET material as a raw material, in the prior art, weaving the fabric and then dyed processing to give a color to the fabric.

However, screen fabrics that are given color by dyeing the woven screen fabrics undergo various post-treatment processes such as cleaning, antifouling, antistatic, coating, rigidity, heat treatment, etc. The discoloration is severely generated in the fabric for the fabric has a number of problems, such as increasing the defective rate of the screen fabric and increase the production cost.

On the other hand, in order to solve this problem, various dyeing methods have been developed, such as a method of weaving the fabric by using a four-shot yarn (絲 染 絲) to give a color to the fabric, but did not effectively prevent discoloration by post-processing.

The present invention has been invented to solve the above problems, for weaving the screen fabric by using the yarn yarn from the spinning machine put the dye and polymer chip together when spinning the screen fabric for imparting color to the fabric After weaving the fabric without the need for a dyeing process, it aims to minimize the discoloration of the screen fabric by the post-processing to lower the defective rate of the fabric due to the discoloration when manufacturing the screen fabric and to provide a durable screen fabric.

In order to achieve the above object, the present invention is a screen fabric for blocking light or sunlight, the fabric is composed of a general yarn and a yarn, the yarn is inclined and weft, or included in the warp or weft or the general Yarn and the original yarn is blended or spun yarn and included in the inclined and weft or inclined or weft yarn, after the fabrication of the fabric, including the original yarn, characterized in that the brightness difference ± 2 or less, saturation difference ± 2 or less, color difference ± 0.1 or less It provides a fabric for the screen.

In addition, the primary yarn provides a screen fabric comprising a primary yarn, characterized in that the polyester-based primary yarn.

In addition, the general yarn and the primary yarn or ordinary yarn or primary yarn provides a screen fabric comprising a raw yarn, characterized in that blended or pulverized with a low melting point yarn 50: 50 to 80: 20 weight ratio.

In addition, the general yarn and the original yarn provides a screen fabric comprising a raw yarn, characterized in that consisting of 20: 80 to 80: 20 weight ratio.

In addition, in the screen fabric to block the illumination light or sunlight, the fabric is composed of a general yarn and a flame-retardant polyester-based yarn, the yarn is included in the warp and weft, or warp or weft; The general yarn and the flame retardant polyester-based yarn is blended or blended and included in the warp and weft yarn, or the warp yarn or weft yarn, after the fabrication of the fabric, brightness difference ± 2 or less, chroma difference ± 2 or less, color difference ± 0.1 or less It provides a screen fabric including a raw yarn to.

In addition, the general yarn and flame retardant polyester-based yarn or ordinary yarn or flame-retardant polyester-based yarn is a screen fabric comprising a yarn that is blended or blended with a low melting point yarn 50: 50 to 80: 20 weight ratio To provide.

In addition, the general yarn and the flame-retardant polyester-based raw yarn provides a screen fabric comprising a raw yarn, characterized in that consisting of 40: 60 to 80: 20 weight ratio.

In addition, the general yarn provides a screen fabric comprising an original yarn, characterized in that the flame retardant yarn.

Hereinafter, a preferred embodiment of the present invention will be described in detail. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

As used herein, the term "fabric" is used to mean all of woven fabrics, knitted fabrics, felts, plates, nonwoven fabrics, adhesive fabrics, mold fabrics, and webs.

Screen fabric including the original yarn according to the present invention is formed by mixing the normal yarn and the yarn.

The general yarn may be used without limitation in the case of filament yarn made of synthetic resin, it will be preferable to use a flame retardant yarn is added to the flame retardancy to increase the flame retardancy of the fabric.

The spun yarn may be used without limitation in the case of filament yarn from a spinning machine in which a polymer chip and a dye are put together during spinning.

As the primary yarns are mixed in a dispersed state in the spinning process, the yarn is produced by spinning at the same time is combined with the dye in the fiber is excellent in light fastness and washing fastness.

In order to achieve the above object, the fabric for screen according to the present invention composed of a general yarn and a yarn is inclined and weft, or included in a warp or weft, or the yarn and the weft yarn are mixed or blended inclined and weft, or inclined Or included in the weft is prepared.

It is preferable that the primary yarns use polyester-based synthetic resins having excellent heat resistance, rigidity, electrical properties, oil resistance, and little influence of temperature and humidity.

In addition, a separate coating process may be omitted for the screen fabric manufactured by mixing or blending the general yarn and the original yarn or the general yarn or the original yarn with a low melting point yarn, and may give rigidity as a screen.

The blending or brazing rate of the low melting point yarns may be mixed or pulverized in a 50: 50 to 80: 20 weight ratio of the normal yarn and the original yarn and the low melting point yarn.

The screen fabric produced by the low melting point yarn honba or plywood is subjected to a heat treatment process for fusion of the low melting point yarn. At this time, the low melting point yarn is fused between the fibers to give the fabric rigidity and shape stability.

The low melting point yarn used in the present invention may be used as a non-limiting example of the cis-core or split composite fibers. As a non-limiting example, the low melting point yarn may be a flame retardant low melting polyester filament including a low melting polyester resin in the sheath part and a flame retardant polyester resin in the core part. In this case, the polyester resin may be one or more selected from the group consisting of polyethylene terephthalate and polybutylene terephthalate resin, the low-melting polyester resin isophthalic acid component, terephthalic acid component, ethylene glycol component and diethylene It may include a glycol component.

Further, the polyester resin may have a melting point of 220 ° C. to 260 ° C., and a melting point of the low melting polyester resin may be 110 to 200 ° C. If it is less than the above range there is a problem in the morphological stability of the polyester itself and if it exceeds the above range may affect the resin of the core portion.

The ratio of the general yarns and the original yarn may have various composition ratios depending on the brightness, saturation, and color difference of the materials and colors used for the general yarns and the original yarn, but most preferably, the general yarns and the original yarns have a weight ratio of 20:80 to 80:20. Will be.

In addition, the flame retardant processing can be omitted by providing the flame retardancy to the screen fabric using the flame retardant polyester-based primary yarn.

When using the flame retardant polyester-based yarn, it is possible to produce a screen fabric by blending or blending with a low melting point yarn.

The blending or brazing rate of the low melting point yarn may be mixed or spun in a 50: 50 to 80: 20 weight ratio of the general yarn, flame retardant polyester primary yarn and the low melting point yarn.

The composition ratio of the general yarn and the flame retardant polyester base yarn may have various composition ratios according to the brightness, saturation and color difference of the materials and colors used for the general yarn and the flame retardant polyester base yarn, but most preferably the general yarn and the flame retardant polyester base yarn The primary yarn is composed of a 40: 60 to 80: 20 weight ratio.

Preferably, the flame retardant polyester based yarn is copolymerized with a phosphorus flame retardant, and the phosphorus flame retardant preferably contains 5,000 ppm to 10,000 ppm of phosphorus atom (P) in the polyester resin. When added so that the phosphorus content is less than 5,000 ppm, the flame retardant effect is insignificant, and if it exceeds 10,000 ppm, the melt viscosity of the polyester-based resin is lowered, there is a problem that the workability and physical properties during spinning.

On the other hand, the screen fabric according to an embodiment of the present invention may use ultraviolet absorbers such as benzotriazole-based, benzophenone-based and other processing agents for fibers in order to improve the light fastness in addition to flame retardancy. Antistatic agents, water and oil repellents, antifouling agents, antibacterial agents, moisture absorbents, anti slip agents, and the like, which are generally used as other textile processing agents that may be used, may additionally be used, even if such commonly known processing agents are added. Of course, it is included in the scope of the present invention without departing from the spirit of the invention.

The screen fabric including the original yarn according to the present invention as described above is very poor in the degree of discoloration by various post-processing, such as washing, antifouling processing, heat treatment for use for the screen after weaving the fabric defect rate in the manufacture of screen fabric This increases productivity and reduces costs.

In addition, the screen fabric of the present invention has the effect that the screen does not discolor even if the period of use is long.

Hereinafter, an embodiment of a method for manufacturing a screen fabric including an original yarn according to the present invention is shown, but the present invention is not limited to the embodiment.

Example 1

Weaving yarns were used as plain polyester, and weft yarns were woven into plain weave using polyester yarns. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 2

Weaving yarns were used as plain polyester, and weft yarns were woven into plain weave using yarns in which polyester yarns and ordinary yarns were spun in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 3

Weaving yarns were used as plain polyester and weft yarns were woven into plain weaves using flame retardant polyester yarns. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 4

Weaving yarns were used as plain polyester, and weft yarns were woven into plain weave using flame retardant polyester yarns and yarns in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 5

Weaving yarns were used as general flame retardant polyester, and weft yarns were woven into plain weave using yarns in which polyester yarns and low melting point yarns were spun in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 6

The weaving yarn was used as a plain polyester, and the weft yarn was woven into a plain weave using a yarn in which polyester primary yarn and low melting point yarn were spun in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 7

Weaving yarns were used as plain polyester, and weft yarns were woven into plain weave using yarns of flame retardant polyester yarns and low melting point yarns in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

Example 8

Weaving yarns were used as general flame retardant polyester, and weft yarns were woven into plain weave using yarns of flame retardant polyester yarns and low melting point yarns in a weight ratio of 1: 1. At this time, the tissue density is 100 strands / inch in the oblique direction, 100 strands / inch in the weft direction.

※Test Methods

1. Discoloration test after the post-processing of Examples 1 to 5

The screen fabrics prepared in Examples 1 to 5 were washed, stained, and stained before and after processing, respectively, by the brightness, saturation, and color difference by CCM (Computer Color Match). Are summarized in Table 1, and the degree of discoloration by antifouling processing is summarized in Table 2.

The washing process and antifouling process were carried out by a known method.

division Brightness Saturation car Color difference Example 1 -0.82 1.08 0.08 Example 2 -0.76 0.93 0.07 Example 3 -0.99 1.23 0.07 Example 4 -0.89 0.96 0.06 Example 5 -0.88 1.11 0.08

division Brightness Saturation car Color difference Example 1 -1.42 1.49 0.09 Example 2 -1.34 1.28 0.08 Example 3 -1.78 1.54 0.08 Example 4 -1.44 1.49 0.08 Example 5 -1.32 1.67 0.09

1. Discoloration experiment after post-processing of Examples 5-8

The screen fabrics prepared in Examples 5 to 8 were subjected to heat treatment for washing, antifouling, and fusion, respectively, to measure the degree of discoloration before and after the process by lightness, saturation, and color difference. It is summarized in Table 3, the degree of discoloration by antifouling processing is summarized in Table 4, and the degree of discoloration by heat treatment for fusion welding is summarized in Table 5.

The washing process and antifouling process were carried out by a known method, the heat treatment process according to the fusion was carried out at 170 ℃.

division Brightness Saturation car Color difference Example 6 -0.84 1.52 0.08 Example 7 -0.96 1.67 0.09 Example 8 -0.92 1.55 0.09

division Brightness Saturation car Color difference Example 6 -1.39 1.71 0.08 Example 7 -1.53 1.81 0.08 Example 8 -1.47 1.70 0.09

division Brightness Saturation car Color difference Example 6 -1.92 1.87 0.08 Example 7 -1.97 1.69 0.09 Example 8 -1.90 1.67 0.09

As can be seen from the experimental results of the discoloration difference of the above embodiment, the screen fabric according to the present invention after the post-processing, the brightness difference ± 2 or less, the saturation difference ± 2 or less, color difference ± 0.1 or less is very little discoloration by post-processing It can be seen that.

The present invention described above is not limited to the above-described embodiments, and various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be obvious to him.

Claims (8)

In the screen fabric, The fabric is composed of a general yarn and a yarn yarn, the yarn yarn is included in the warp and weft, or warp or weft; The general yarn and the original yarn is mixed or spun yarn is included in the inclined and weft or inclined or weft yarn, After the fabric of the fabric, screen fabric comprising an original yarn, characterized in that the brightness difference ± 2 or less, chroma difference ± 2 or less, color difference ± 0.1 or less. The method of claim 1, The raw yarn is a screen fabric comprising a raw yarn, characterized in that the polyester-based raw yarn. The method according to claim 1 or 2, The general yarn and the primary yarn or ordinary yarn or primary yarn is a screen fabric comprising a raw yarn, characterized in that blended or pulverized with a low melting point yarn 50: 50 to 80: 20 weight ratio. The method according to claim 1 or 2, The general yarn and the original yarn is a screen fabric comprising a raw yarn, characterized in that consisting of 20: 80 to 80: 20 weight ratio. In screen fabric which blocks illumination light or sunlight, The fabric is composed of a general yarn and a flame retardant polyester-based yarn, the yarn is included in the warp and weft, or warp or weft; The general yarns and flame retardant polyester-based yarns are mixed or blended to be included in warp and weft yarns, or warp or weft yarns, After the fabric of the fabric, screen fabric comprising an original yarn, characterized in that the brightness difference ± 2 or less, chroma difference ± 2 or less, color difference ± 0.1 or less. The method of claim 5, The general yarn and flame retardant polyester-based yarn or ordinary yarn or flame-retardant polyester-based yarn is blended or fused with low melting point yarn in a 50: 50 to 80: 20 weight ratio screen fabric. The method of claim 5, The general yarn and flame-retardant polyester-based raw yarn is a screen fabric comprising a raw yarn, characterized in that consisting of 40: 60 to 80: 20 weight ratio. 6. The method according to claim 1 or 5, Screen fabric comprising a primary yarn, characterized in that the general yarn is flame retardant yarn.