JP2008002027A - Fabric for tobe, method for producing the same and tobe - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fabric for a tobe having a hard touch feeling, a method for producing the same and the tobe. <P>SOLUTION: This method for producing the fabric for the tobe is provided by weaving a fabric by at least using a heat fusible composite fiber consisting of a heat fusible component and core component, and obtained by arranging the heat fusible component on the surface of the fiber, and then heat-treating the fabric to fuse the heat fusible component for forming positions where weft yarns are thermally fused with warp yarns by the heat fusible composite fiber. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fabric for a tove having a hard texture, a method for producing the fabric, and a tove.

  In Arab countries, many people wear national costumes called tobes. In recent years, there is a strong demand for such a tove to have a high function and a high-class feeling. For example, in Patent Document 1, a woven or knitted fabric for a tove that is excellent in see-through properties, ultraviolet shielding properties, handleability, and drape properties. Proposed.

Recently, a hard texture tove has become popular, and a method of producing a hard texture by resin finishing has been adopted.
JP-A-11-269721

  This invention is made | formed in view of said background, The objective is to provide the fabric for tove which has a hard texture, its manufacturing method, and a tove.

  As a result of diligent studies to achieve the above-mentioned problems, the inventor constituted a woven fabric using a heat-adhesive conjugate fiber having a heat-bonding component disposed on the surface thereof. It has been found that a tove fabric having a hard texture can be obtained by partially heat-sealing and the present invention has been completed by intensive studies.

  Thus, according to the present invention, “a fabric for tove, the fabric includes a heat-adhesive conjugate fiber comprising a heat-fusion component and a core component and having a heat-fusion component disposed on the surface thereof, and There is provided a woven fabric for tove characterized by having a portion where the warp and the weft are heat-sealed by the heat-adhesive conjugate fiber. "

  In that case, it is preferable that the said heat sealing | fusion component consists of copolyester whose melting | fusing point or softening point is 200 degrees C or less. Moreover, it is preferable that the said core component consists of polyester. Moreover, it is preferable that the said heat bondable composite fiber is contained in a textile fabric as composite yarn with another fiber. It is preferable that the blended yarn is arranged on the warp and / or the weft of the woven fabric.

In the tove fabric of the present invention, it is preferable that the weight ratio of the heat-adhesive conjugate fiber contained in the fabric is in the range of 15 to 80% by weight with respect to the fabric weight. In the woven fabric, the cover factor (CF) calculated by the following formula is preferably in the range of 2000 to 4000.
CF = (DWp / 1.1) ^1/2 × MWp + (DWf / 1.1) ^1/2 × MWf
However, DWp is the total warp fineness (dtex), MWp is the warp weave density (main / 2.54 cm), DWf is the total weft fineness (dtex), and MWf is the weft weave density (main / 2.54 cm).

  In the tove fabric of the present invention, the loop hardness in the direction in which the heat-adhesive conjugate fiber is arranged is preferably 20.0 cN or more. Moreover, it is preferable that the loop repulsion rate of the direction where a heat bondable composite fiber is arranged is 50.0% or more.

Further, according to the present invention, “a woven fabric is woven using at least a heat-adhesive conjugate fiber composed of a thermal fusion component and a core component, and the thermal fusion component is disposed on the surface thereof, and then the fabric is subjected to heat treatment. By this, the manufacturing method of the fabric for toves | characterized by melting the said heat-fusion component is provided. "
In addition, according to the present invention, there is provided “a tove comprising the above-described tove fabric”.

  ADVANTAGE OF THE INVENTION According to this invention, the textile fabric for toves which has a hard texture, its manufacturing method, and a tove are obtained.

Hereinafter, embodiments of the present invention will be described in detail.
The heat-adhesive conjugate fiber used in the present invention comprises a heat fusion component and a core component, and the heat fusion component is disposed on the surface thereof.
Here, as a polymer arranged as a heat-fusion component, polyurethane elastomer, polyester elastomer, inelastic polyester polymer and copolymer thereof, polyolefin polymer and copolymer thereof, polyvinyl alcohol polymer, etc. Can be mentioned.

  Examples of polyurethane elastomers include low melting point polyols having a molecular weight of about 500 to 6000, such as dihydroxy polyether, dihydroxy polyester, dihydroxy polycarbonate, dihydroxy polyester amide, and the like, and organic diisocyanates having a molecular weight of 500 or less, such as p, p′-diphenylmethane. Diisocyanate, tolylene diisocyanate, isophorone diisocyanate hydrogenated diphenyl methane isocyanate, xylylene isocyanate, 2,6-diisocyanate methyl caproate, hexamethylene diisocyanate and the like, and a chain extender having a molecular weight of 500 or less, such as glycol amino alcohol or triol It is a polymer obtained by the reaction.

  Among these polymers, particularly preferred is a polyurethane using polytetramethylene glycol, poly-ε-caprolactam or polybutylene adipate as a polyol. Examples of the organic diisocyanate in this case include p, p'-bishydroxyethoxybenzene and 1,4-butanediol.

  In addition, as a polyester-based elastomer, a polyetherester copolymer obtained by copolymerizing thermoplastic polyester as a hard segment and poly (alkylene oxide) glycol as a soft segment, more specifically, terephthalic acid, isophthalic acid, phthalic acid Alicyclic dicarboxylic acids such as naphthalene-2,6-dicarboxylic acid, naphthalene-2,7-dicarboxylic acid, diphenyl-4,4′-dicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, succinic acid, oxalic acid, At least one dicarboxylic acid selected from aliphatic dicarboxylic acids such as adipic acid, sebacic acid, dodecanedioic acid, dimer acid, or ester-forming derivatives thereof, 1,4-butanediol, ethylene glycol trimethylene glycol, Tetramethylene glycol, Aliphatic diols such as tamethylene glycol, hexamethylene glycol neopentyl glycol, decamethylene glycol, or alicyclic diols such as 1,1-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, tricyclodecane methanol, or the like At least one diol component selected from ester-forming derivatives and the like, and polyethylene glycol, poly (1,2- and 1,3-polypropylene oxide) glycol, poly (tetramethylene oxide) having an average molecular weight of about 400 to 5000 ) Consists of at least one of poly (alkylene oxide) glycols such as glycols, copolymers of ethylene oxide and propylene oxide, copolymers of ethylene oxide and tetrahydrofuran, etc. It can be mentioned terpolymer.

  In particular, from the viewpoint of adhesiveness, temperature characteristics, and strength, a block copolymer polyether ester having polybutylene terephthalate as a hard component and polyoxybutylene glycol as a soft segment is preferable. In this case, the polyester portion constituting the hard segment is polybutylene terephthalate in which the main acid component is terephthalic acid and the main diol component is a butylene glycol component. Of course, part of this acid component (usually 30 mol% or less) may be substituted with another dicarboxylic acid component or oxycarboxylic acid component, and part of the glycol component (usually 30 mol% or less) is also butylene. It may be substituted with a dioxy component other than the glycol component. Further, the polyether portion constituting the soft segment may be a polyether substituted with a dioxy component other than butylene glycol.

  Copolyester polymers include aliphatic dicarboxylic acids such as adipic acid and sebacic acid, aromatic dicarboxylic acids such as phthalic acid, isophthalic acid and naphthalenedicarboxylic acid and / or fats such as hexahydroterephthalic acid and hexahydroisophthalic acid. A co-polymer containing a predetermined number of cyclic dicarboxylic acids and aliphatic or alicyclic diols such as diethylene glycol, polyethylene glycol, propylene glycol, and paraxylene glycol, with addition of oxyacids such as parahydroxybenzoic acid as desired. Polymerized esters and the like can be mentioned. For example, polyesters obtained by adding and copolymerizing isophthalic acid and 1,6-hexanediol in terephthalic acid and ethylene glycol can be used.

Examples of the polyolefin polymer include low density polyethylene, high density polyethylene, and polypropylene.
Among the above heat-sealing components, a copolymer polyester polymer having a melting point or softening point of 200 ° C. or lower (preferably 50 to 160 ° C.) is particularly preferable in terms of making the fabric feel hard.

  On the other hand, as the core component, polyethylene terephthalate, polybutylene terephthalate, polyhexamethylene terephthalate, polytetramethylene terephthalate, poly-1,4-dimethylcyclohexane terephthalate, polyethylene naphthalate, polypivalolactone, or a copolymer thereof, etc. And polyethylene terephthalate is particularly preferable.

  In the above-mentioned polymer forming the heat fusion component or the core component, various stabilizers, ultraviolet absorbers, thickening and branching agents, matting agents, coloring agents, and other various improving agents are also necessary. It may be blended.

  In the heat-adhesive conjugate fiber, it is preferable that the heat fusion component occupies at least a half of the surface area. It is appropriate that the weight ratio of the heat fusion component and the core component is in the range of 30/70 to 70/30 as a composite ratio. Although it does not specifically limit as a form of a heat bondable conjugate fiber, It is preferable that a heat-fusion component and a core component are a side-by-side and a core-sheath type, More preferably, it is a core-sheath type. In that case, the core part may be concentric or eccentric.

 In such a heat-adhesive conjugate fiber, the single yarn fineness is preferably 1 to 15 dtex (more preferably 1 to 10 dtex, particularly preferably 1 to 3 dtex). The heat-adhesive conjugate fiber may be a long fiber, but the fiber length is preferably cut to 3 to 100 mm. Furthermore, it is preferable that crimps are imparted, and spiral crimps are imparted by such anisotropic cooling, and the number of crimps is 3 to 40 pieces / 2.54 cm (preferably 7 to 15 pieces / 2.54 cm). Various methods such as imparting mechanical crimping by an ordinary indentation crimper method may be used so that the mechanical crimping is applied, but it is optimal to impart mechanical crimping in terms of bulkiness and manufacturing cost.

  In the woven fabric for a stove according to the present invention, it is preferable that the heat-adhesive conjugate fiber is contained in the woven fabric as a composite yarn with other fibers. In that case, as other fibers, polyethylene terephthalate, polybutylene terephthalate, polyhexamethylene terephthalate, polytetramethylene terephthalate, poly-1,4-dimethylcyclohexane terephthalate, polyethylene naphthalate, polypivalolactone, or a co-polymer of these Short fibers made of coalescence are preferred. The single yarn fineness is preferably 0.5 to 30 dtex (more preferably 1 to 10 dtex, particularly preferably 1 to 3 dtex). The fiber length is preferably cut to 3 to 100 mm. Furthermore, it is preferable that the same crimp as that of the heat-adhesive conjugate fiber is applied.

The weight ratio of the above-mentioned heat-adhesive conjugate fiber and other fibers is 10/90 to 30/70 in order to obtain a hard texture that does not impair the wearing comfort (thermo-adhesive conjugate fiber / other fibers). It is preferable.
Examples of the composite form of the heat-adhesive conjugate fiber and other fibers include a blended yarn, a core span, an air blended yarn, a composite false twisted yarn, and a twisted yarn.

  In the tove fabric of the present invention, it is preferable that the blended yarn is arranged on the warp and / or the weft of the fabric. For example, when the blended yarn is disposed on one of the warp and weft of the woven fabric, and on the other side, a polyester multifilament subjected to false twist crimp processing is disposed on the other side, the wearing comfort A hard texture that does not impair the hardness is preferred.

  In the tove fabric of the present invention, it is preferable that the weight ratio of the heat-adhesive conjugate fiber contained in the fabric is in the range of 15 to 80% by weight with respect to the fabric weight. If the weight ratio of the heat-adhesive conjugate fiber is less than 15% by weight, the hard texture that is the main object of the present invention may not be obtained. On the other hand, if the weight ratio of the heat-adhesive conjugate fiber is larger than 80% by weight, the texture becomes too hard and the wearing comfort may be impaired.

Further, in order to obtain a hard texture that does not impair wearing comfort, it is preferable that the cover factor (CF) calculated by the following formula is in the range of 2000 to 4000. If the cover factor (CF) is smaller than 2000, a hard texture may not be obtained. On the other hand, if the cover factor (CF) is larger than 4000, the wearing comfort may be impaired.
CF = (DWp / 1.1) ^1/2 × MWp + (DWf / 1.1) ^1/2 × MWf
However, DWp is the total warp fineness (dtex), MWp is the warp weave density (main / 2.54 cm), DWf is the total weft fineness (dtex), and MWf is the weft weave density (main / 2.54 cm).

  In the tove fabric of the present invention, it is important that the heat-adhesive conjugate fiber is included in the fabric as described above, and that there is a portion where the warp and the weft are heat-sealed by the heat-adhesive conjugate short fiber. . In this way, a hard texture can be obtained by the presence of the portion where the warp and the weft are heat-sealed. At that time, the single fibers of the heat-adhesive conjugate fiber may be heat-sealed.

  In order to heat-seal the heat-adhesive conjugate fiber in this way, a woven fabric is woven using at least the heat-adhesive conjugate fiber composed of a heat-fusion component and a core component and having the heat-fusion component disposed on the surface thereof. After that, the heat-sealing component is preferably melted by heat-treating the fabric. In this case, as a heat treatment method, a heat treatment by a dyeing process, a preset, a final set or the like used in a normal finishing process of a fabric may be used. Further, as long as the object of the present invention is not impaired, conventional water-repellent processing, brushed processing, ultraviolet shielding or antibacterial agent, deodorant, insect repellent, phosphorescent agent, retroreflective agent, negative ion generator Various processings that provide such functions may be additionally applied.

  In the tove fabric thus obtained, the loop hardness in the direction in which the heat-adhesive conjugate fiber is arranged is preferably 20.0 cN or more (preferably 30 to 80 cN) in terms of a hard texture. Moreover, it is preferable that the loop repulsion rate in the direction in which the heat-adhesive conjugate fiber is arranged is 50.0% or more (preferably 50 to 80%).

  Next, the tove according to the present invention is a tove formed using the above-described fabric for tove. Since such a tove uses the above-mentioned fabric for tove, it exhibits a hard texture.

Next, although the Example and comparative example of this invention are explained in full detail, this invention is not limited by these. In addition, each measurement item in an Example was measured with the following method.
(1) Melting point (softening point)
A Du Pont thermal differential analyzer model 990 was used and measured at a temperature increase of 20 ° C./min to obtain a melting peak. When the melting temperature is not clearly observed, a micro melting point measuring device (manufactured by Yanagimoto Seisakusho) is used, and the temperature at which the polymer softens and starts to flow is defined as the softening point.
(2) The number of crimps of the fiber Measured by the method described in JIS L 1015 7.12.
(3) Loop hardness It measured by JIS-L-1096 bending repulsion C method (loop compression method).
(4) Loop rebound rate Measured by JIS-L-1096 bending rebound C method (loop compression method).
(5) Comprehensive evaluation
As a comprehensive evaluation of the hard texture and wearing comfort, “Excellent” was evaluated as “◯”, Slightly inferior as “Δ”, and Inferior as “×”.

[Example 1]
A diol component in which terephthalic acid and isophthalic acid are mixed at 80/20 (mol%) and ethylene glycol and tetramethylene glycol are mixed at 50/50 (mol%) as a copolyester of a heat-adhesive component. From this, a copolyester was obtained. The softening point of the copolymerized polyester was 73 ° C. This copolymerized polyethylene terephthalate is placed in the sheath as a heat-adhesive component, polyethylene terephthalate having a glass transition point of 67 ° C. and a melting point of 256 ° C. is dried under reduced pressure, and then the core is supplied to a core-sheath compound melt spinning apparatus. The melt was spun from the spinneret at a compounding ratio of 50/50, a spinning temperature of 290 ° C., and a discharge rate of 650 g / min. An oil agent was applied and taken out at 900 m / min to obtain an unstretched core-sheath type composite fiber.

  The unstretched fibers are bundled to make a 110,000 dtex (100,000 denier) tow, first stretched 2.5 times in warm water at 72 ° C., and further stretched 1.15 times in warm water at 80 ° C. After applying the oiling agent, crimping was applied with an indentation type crimper naturally cooled to 35 ° C., and the fiber length was cut to 51 mm to obtain a heat-adhesive composite short fiber having a single yarn fineness of 2.2 dtex. The number of crimps at this time was 13 pieces / 2.54 cm.

  20% (by weight) of this composite fiber, the thickness of a single fiber obtained by a conventional method is 1.7 dtex, the fiber length is 51 mm, and the number of crimps is 13 / 2.54 cm. Polyethylene terephthalate short fiber (melting point of polyethylene terephthalate) 256 ° C.) 80% (weight), and blended by a conventional method to obtain a blend yarn (A) having a cotton count of 20 / −. Next, using Teijin Fibers as the warp, polyethylene terephthalate false twisted crimped yarn FD84dtex / 72fil, and the blended yarn (A) as the weft, a plain fabric with a warp density of 70 / cm and a weft density of 26 / cm Weaved. Then, by carrying out a dyeing process in a usual manner, a woven fabric having a cover factor of 2800 (the content of the thermoadhesive conjugate fiber was 56% by weight) was obtained.

In the woven fabric, there is a portion where the warp and the weft are heat-sealed by melting the heat-sealing component of the heat-adhesive conjugate fiber, and the single fibers of the heat-adhesive conjugate fiber are partially heat-sealed. It was. Moreover, in the woven fabric, the loop hardness was 57.5 cN, the loop rebound rate was 67.5%, and the overall evaluation was ○.
Further, when the tove was sewn and worn using the woven fabric, it exhibited a hard texture and was excellent in wearing comfort.

[Example 2]
In Example 1, weaving and dyeing are carried out in the same manner as in Example 1 except that the spun yarn made of the blended yarn (A) and the normal polyethylene terephthalate having a cotton count of 20 /-is used as the weft. A woven fabric was obtained.
In the woven fabric, there is a portion where the warp and the weft are heat-sealed by melting the heat-sealing component of the heat-adhesive conjugate fiber, and the single fibers of the heat-adhesive conjugate fiber are partially heat-sealed. It was. Moreover, in the woven fabric, the loop hardness was 33.8 cN, the loop rebound rate was 66.0%, and the overall evaluation was good.

[Comparative Example 1]
A woven fabric was obtained by weaving and dyeing in the same manner as in Example 1 except that the weft yarn was changed to a spun yarn made of ordinary polyethylene terephthalate having a cotton count of 20 /-.
In the woven fabric, there was no portion where the warp and the weft were heat-sealed, and the loop hardness was 4.9 cN, the loop rebound rate was 37.2%, and the overall evaluation was x.

  ADVANTAGE OF THE INVENTION According to this invention, the fabric for toves which has a hard texture, its manufacturing method, and a tove are obtained, The industrial value is very large.

Claims (11)

  A woven fabric for a stove, wherein the woven fabric includes a heat-adhesive conjugate fiber comprising a heat-fusible component and a core component, and the heat-fusible component being arranged on the surface thereof, and the heat-adhesive conjugate fiber is used as a warp A fabric for tove, characterized in that it has a portion where the weft and the weft are heat-sealed.   The woven fabric for a stove according to claim 1, wherein the heat-sealing component is made of a copolyester having a melting point or a softening point of 200 ° C or lower.   The woven fabric for a stove according to claim 1 or 2, wherein the core component is made of polyester.   The woven fabric for a stove according to any one of claims 1 to 3, wherein the heat-adhesive conjugate fiber is contained in the woven fabric as a composite yarn with other fibers.   The woven fabric for a stove according to claim 4, wherein the blended yarn is arranged on a warp and / or a weft of the woven fabric.   The woven fabric for a stove according to any one of claims 1 to 5, wherein a weight ratio of the heat-adhesive conjugate fiber contained in the woven fabric is in a range of 15 to 80 wt% with respect to the woven fabric weight. The fabric for toves according to any one of claims 1 to 6, wherein the cover factor (CF) calculated by the following formula is in the range of 2000 to 4000.
CF = (DWp / 1.1) ^1/2 × MWp + (DWf / 1.1) ^1/2 × MWf
However, DWp is the total warp fineness (dtex), MWp is the warp weave density (main / 2.54 cm), DWf is the total weft fineness (dtex), and MWf is the weft weave density (main / 2.54 cm).   The woven fabric for a stove according to any one of claims 1 to 6, wherein the loop hardness in the direction in which the heat-adhesive composite short fibers are arranged is 20.0 cN or more.   The woven fabric for a stove according to any one of claims 1 to 6, wherein a loop repulsion rate in a direction in which the heat-adhesive composite short fibers are arranged is 50.0% or more.   The woven fabric is woven using at least a heat-adhesive conjugate fiber comprising a heat-sealing component and a core component, and the heat-sealing component is disposed on the surface thereof, and then the heat-fusible component is subjected to heat treatment. A process for producing a fabric for tove, characterized by melting   A tove comprising the tove fabric according to any one of claims 1 to 9.