TWI790346B - Textile thread, its manufacturing method, and fabric containing same - Google Patents

Abstract

The present invention relates to a textile thread comprising polypropylene-based fibers with a moisture content of more than 50% by mass and less than 0.15% by mass, the number of fine hairs with a length of 3mm or more in the textile thread is 40 or less per 10m, and the porosity 40~65%, the twist coefficient is 2.4~6.0, or the number of fine hairs with a length of 3mm or more in the textile thread is 40 or less per 10m, and the twist angle is 23° or more. Also, the present invention relates to a textile thread containing 5% by mass or more of polypropylene-based fibers with a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015 (2010), and the length of the textile thread is 3 mm or more. The number of fine hairs is less than 40/10m, the porosity is 40~65%, the twist coefficient is 2.4~6.0, or the number of fine hairs with a length of 3mm or more in the textile thread is less than 40/10m, and the twist angle is more than 23°.

Description

Textile thread, its manufacturing method, and fabric containing same

The present invention relates to a textile thread containing polypropylene fiber, a manufacturing method thereof and a fabric containing the same.

Polypropylene-based fibers are lightweight and heat-retaining fibers, and are widely used in clothing and industrial materials. For example, Patent Documents 1 and 2 describe that polypropylene fibers can be used as water-repellent fibers in textile yarns for clothing in which water-repellent fibers and hydrophilic fibers are combined. Patent Document 3 discloses that polypropylene fibers can be used as synthetic fibers in sirospun yarns made of heterogeneous rovings used for industrial materials such as furniture.

On the other hand, the fiber strength of synthetic fibers is higher than that of natural fibers, and fabrics using textile threads containing synthetic fibers are prone to pilling, so research has been conducted on improving the pilling resistance of synthetic fibers. For example, Patent Documents 4 to 6 propose that in textile threads containing polyester staple fibers, the pilling resistance of fabrics using the textile threads is improved by reducing the number of fine hairs. prior art literature patent documents

Patent Document 1: Japanese Patent Application Laid-Open No. 04-091240 Patent Document 2: Japanese Patent Application Laid-Open No. 05-033234 Patent Document 3: Japanese Patent Application Laid-Open No. 10-088440 Patent Document 4: Japanese Patent Laid-Open No. 2008-133584 Patent Document 5: Japanese Unexamined Patent Publication No. 2004-197243 Patent Document 6: Japanese Patent Laid-Open No. 2004-218092

The problem to be solved by the invention

However, in Patent Documents 1 to 6, there is no study on improving the pilling resistance of the fabric in the case of using a spun yarn made of polypropylene-based fibers.

In order to solve the above-mentioned problems, the present invention provides a spun yarn comprising polypropylene fibers capable of improving the pilling resistance of fabrics, a method for producing the same, and fabrics comprising the same. Technical means to solve problems

The present invention relates to a textile thread comprising more than 50% by mass of polypropylene-based fibers with a moisture content of less than 0.15% by mass measured according to JIS L 1015 (2010), characterized in that: according to JIS L 1095 (2010) 9.22.2 The number of fine hairs with a length of more than 3 mm per 10 m of the above-mentioned textile thread measured by method B is less than 40/10 m, the porosity of the above-mentioned textile thread is 40-65%, and the twist coefficient is 2.4-6.0.

Also, the present invention relates to a textile thread comprising 5% by mass or more of polypropylene-based fibers, wherein the polypropylene-based fibers have a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015 (2010), According to JIS L 1095 (2010) 9.22.2 B method, the number of fine hairs with a length of 3 mm or more per 10 m of the above-mentioned textile thread is 40/10 m or less, and the porosity of the above-mentioned textile thread is 40~65%. The twist coefficient is 2.4~6.0.

Also, the present invention relates to a textile thread comprising more than 50% by mass of polypropylene-based fibers with a moisture content of less than 0.15% by mass measured according to JIS L 1015 (2010), characterized in that: according to JIS L 1095 ( 2010) 9.22.2 The number of fine hairs with a length of more than 3 mm per 10 m of the above-mentioned textile thread measured by method B is less than 40/10 m, and the twist angle of the above-mentioned textile thread is more than 23°.

Also, the present invention relates to a textile thread comprising 5% by mass or more of polypropylene-based fibers, wherein the polypropylene-based fibers have a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015 (2010), According to JIS L 1095 (2010) 9.22.2 B method, the number of fine hairs with a length of 3 mm or more per 10 m of the above-mentioned textile thread is 40 or less per 10 m, and the twist angle of the above-mentioned textile thread is 23° or more.

In addition, the present invention relates to a method for manufacturing a textile thread, which is a method for manufacturing the above-mentioned textile thread, which is characterized in that: ring spinning includes the following steps: preparing at least one strand containing more than 50% by mass according to JIS L 1015 (2010) Roving A of polypropylene-based fibers whose moisture content is less than 0.15% by mass as measured by (2010); two rovings containing at least one roving A are supplied to the drafting zone for drafting, and one side is paralleled and the other is supplied to the twisting zone ; and use the air to suck the two strands of roving just supplied to the twisting area along the traveling direction of the roving so that the fibers are gathered and then twisted.

In addition, the present invention relates to a method for producing a textile thread, which is a method for producing the above-mentioned textile thread, and is characterized in that: ring spinning includes the following steps: preparing at least one polypropylene-based fiber containing 5% by mass or more The roving B of B; two strands of rovings containing at least one roving B are supplied to the drafting area for drafting, and one side is paralleled and the other is supplied to the twisting area; and the air is sucked along the traveling direction of the roving and just supplied to the twisting line The two rovings at the back of the zone are twisted after the fibers are gathered; and the moisture content of the above-mentioned polypropylene-based fibers measured according to JIS L 1015 (2010) is 0.15% by mass or more.

Also, the present invention relates to a fabric characterized by comprising the above-mentioned spun yarn. The effect of the invention

The present invention can provide a spun yarn comprising a polypropylene-based fiber capable of improving the pilling resistance of a fabric, and a fabric comprising the same having good pilling resistance. Also, according to the present invention, it is possible to obtain a spun yarn made of polypropylene-based fibers capable of improving the pilling resistance of the fabric. In particular, when using polypropylene-based fibers with a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015 (2010), the production of textile yarns containing polypropylene-based fibers that can improve the pilling resistance of fabrics Sex also improves.

The inventors of the present invention earnestly studied to improve the pilling resistance of the fabric in the case of using a spun yarn made of polypropylene-based fibers. As a result, it was found that in textile yarns containing more than 50% by mass of polypropylene-based fibers with a moisture content of less than 0.15% by mass measured according to JIS L 1015 (2010), the method according to JIS L 1095 (2010) 9.22.2 B The measured number of fine hairs with a length of 3 mm or more per 10 m of the textile thread is set to 40/10 m or less, the porosity is set to 40~65%, and the twist coefficient is set to 2.4~6.0, or according to JIS L 1095 ( 2010) 9.22.2 The number of fine hairs with a length of 3 mm or more in each 10 m of the textile thread measured by the method B is set to 40/10 m or less, and the twist angle is set to 23° or more, so as to use the textile thread. Improved pilling resistance. And it was found that a textile thread having such a number of fine hairs, porosity and twist coefficient or having such a number of fine hairs and a twist angle can be obtained by preparing to contain more than 50% by mass of JIS L 1015(2010) roving A of polypropylene-based fibers whose moisture content is less than 0.15% by mass, after feeding two rovings containing at least one roving A to the drafting zone and drawing, one side is doubling and the other is facing the twisting zone Supply, use air to suck the two strands of roving just after being supplied to the twisting area along the traveling direction of the roving, so that the fibers are gathered and then twisted. In particular, it was found that the productivity of the manufacturing process of the spinning yarn was improved by using the roving B containing 5% by mass or more of polypropylene-based fibers having a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015 (2010). The reason for this is that static electricity is likely to be generated during the manufacturing process when using polypropylene-based fibers with a moisture content of less than 0.15% by mass measured in accordance with JIS L 1015 (2010). The generation of static electricity is suppressed for polypropylene-based fibers with a moisture content of 0.15% by mass or more. By suppressing the generation of static electricity, it is possible to suppress the decrease in mechanical efficiency or cause mechanical failure due to the winding of fibers to the rotating parts of each machine or the looseness of fiber bundles in the spinning process, and to achieve stable production, and , It can suppress the quality deterioration of fluff when it is made into a textile thread or pilling when it is made into a cloth.

Hereinafter, unless otherwise specified, the water content means a value measured in accordance with JIS L 1015 (2010). Regarding the fibers to be measured for moisture content, fibers in the state of raw cotton before spinning, that is, fibers in a state in which a fiber treatment agent and the like are adhered, are randomly cut and used for measurement. Hereinafter, unless otherwise specified, the number of fine hairs refers to the number of fine hairs of a predetermined length per 10 m of textile yarn measured in accordance with JIS L 1095 (2010) 9.22.2 B method.

Hereinafter, a spun yarn containing more than 50% by mass of polypropylene-based fibers (hereinafter also referred to as polypropylene-based fiber A) with a moisture content of less than 0.15% by mass will be described as spun yarn A, and will contain 5% by mass or more A spun thread of a polypropylene-based fiber having a moisture content of 0.15% by mass or more (hereinafter also referred to as a polypropylene-based fiber B) will be described as a spun thread B.

(textile thread A) By making the number of fine hairs with a length of 3 mm or more of the textile thread A be 40/10 m or less, the porosity is 40~65%, and the twist coefficient is 2.4~6.0, or by making the number of fine hairs with a length of 3 mm or more be 40 Threads/10 m or less and a twist angle of 23° or more, the pilling resistance of the fabric including the spun yarn A becomes good.

When the number of fine hairs with a length of 3 mm or more of the spun yarn A is 40/10 m or less, the pilling resistance of the fabric becomes good. From the viewpoint of further improving the pilling resistance of the fabric, the number of fine hairs with a length of 3 mm or more is preferably 35 or less, more preferably 30 or less, most preferably 10/10 m the following. Also, the number of fine hairs with a length of 5 mm or more is preferably at most 5/10 m, more preferably at most 3/10 m, still more preferably at most 1/10 m, and most preferably at most 0/10 m.

By making the porosity of the spun yarn A 40 to 65%, the pilling resistance of the fabric becomes good. From the viewpoint of the anti-pilling property and soft texture of the fabric, the porosity is preferably 43-65%. In the present invention, the so-called air porosity refers to the ratio of air in the yarn. As described below, the diameter of the yarn is calculated by observing the side of the yarn with an electron microscope, and is calculated from the diameter and specific gravity of the yarn.

By setting the twist coefficient of the spun yarn A to 2.4 to 6.0, the pilling resistance of the fabric becomes good. From the viewpoint of pilling resistance and soft texture of the fabric, the twist coefficient is preferably 2.8-4.5, more preferably 3.0-4.0.

When the twist angle of the spun yarn A is 23° or more, the pilling resistance of the fabric becomes good. From the viewpoint of further improving the pilling resistance of the fabric, the twist angle is preferably at least 25°, more preferably at least 26°, and still more preferably at least 27°. Furthermore, the upper limit of the twist angle of the spun yarn A is not particularly limited, but is preferably 45° or less from the viewpoint of improving weavability, for example.

The spun thread A is not particularly limited as long as it contains more than 50% by mass of the polypropylene-based fiber A. From the viewpoint of lightness and heat retention, it is preferable to contain at least 60% by mass of the polypropylene-based fiber A. More preferably, it contains 70 mass % or more. As the polypropylene-based fiber A, general polypropylene-based fibers that can be used as water-repellent fibers, etc. may be appropriately used.

In the polypropylene-based fiber A, polypropylene may be a homopolymer of propylene, or a copolymer containing propylene and a component that can be copolymerized with it, with a propylene content of more than 50 mol%. The component that can be copolymerized with propylene is not particularly limited, and examples thereof include olefin-based monomers such as ethylene, butene, and methylpentene. Preferred is a propylene homopolymer. The above-mentioned polypropylenes may be used alone or in combination of two or more.

From the viewpoint of spinnability, the melt mass flow rate (MFR) of the above-mentioned polypropylene is preferably 5 to 60 g/10 min. In the present invention, the MFR of polypropylene is measured at 230° C. under a load of 2.16 kg in accordance with ISO1133.

The polypropylene-based fiber A can be produced by a conventional method. For example, it can be obtained by: using a spinning head, melt-spinning polypropylene or a resin composition containing polypropylene to form an undrawn yarn, drawing the obtained undrawn yarn, and applying a fiber treatment agent ( Oil agent) is crimped with a crimper and dried.

The polypropylene-based fiber A may be a single-component fiber of polypropylene, or may be a composite fiber of polypropylene or polypropylene and other resins. In the case of coloring the polypropylene-based fiber A, it is sufficient to mix a pigment in polypropylene, or compound it with a component that is easily dyed with a dye, and make it into a core-sheath shape or the like.

The fiber cross-sectional shape of the polypropylene-based fiber A is not particularly limited, and may be any shape of circular or non-circular (so-called special-shaped cross-section).

The above-mentioned fiber treatment agent is preferably a hydrophilic oil agent. By imparting a hydrophilic oil agent, there is a tendency to suppress static electricity and optimize productivity in spinning steps.

The fiber length of the polypropylene-based fiber A is not particularly limited, but is preferably 24-75 mm, more preferably 28-65 mm, further preferably 32-54 mm, and especially preferably 34-48 mm.

The monofilament fiber strength of the polypropylene-based fiber A is preferably 1.8-7.0 cN/dtex, more preferably 2.0-6.0 cN/dtex, and still more preferably 3.0-6.0 cN/dtex. If the monofilament fiber strength is 1.8 cN/dtex or more, the fiber will not be easily broken even if it is subjected to an external force (such as textile tension, etc.) during fiber processing. Also, if the monofilament fiber strength is 7 cN/dtex or less, fibers with better pilling resistance can be obtained.

The elongation of the polypropylene fiber A is preferably 5-70%, more preferably 10-40%. If the elongation is 5~70%, the fiber with soft texture can be obtained.

The spun thread A may also contain other fibers than the polypropylene-based fiber A. Other fibers are not particularly limited, and examples thereof include polyolefin fibers other than polypropylene fibers, acrylic fibers, polyester fibers, nylon fibers, acetate fibers, acrylic fibers, ethylene-vinyl alcohol fibers, and amine fibers. Synthetic fibers such as urethane fibers, or natural fibers such as silk fibers, wool fibers, cashmere goat hair fibers, cotton fibers, hemp fibers, rayon fibers, and cupro fibers. The textile thread A may appropriately contain other fibers of less than 50% by mass depending on the use and purpose. In addition, the spun yarn A may contain less than 5% by mass of the following polypropylene-based fiber B as other fibers.

The polypropylene-based fiber A and other fibers are not particularly limited, for example, the fineness of the monofilament fiber may be 0.1-100 dtex. When the textile thread A is used for clothing, the monofilament fineness of the polypropylene fiber A and other fibers is preferably 0.4-5 dtex, more preferably 0.5-3.5 dtex, and still more preferably 0.6-2.5 dtex. When the textile thread A is used for industrial materials, the fineness of the monofilament fiber is preferably 5-50 dtex. Also, the fiber length of the polypropylene-based fiber A and other fibers is preferably 24 to 75 mm.

The count of the textile thread A is not particularly limited, but it can range from 5 to 100S, preferably 10 to 90S, more preferably 15 to 85S, and even more preferably 20 to 80S in terms of English cotton yarn count.

The textile thread A is preferably a twisted thread composed of two fiber bundles. Whether it is a twisted yarn composed of two fiber bundles can be confirmed by twisting the textile yarn in the opposite direction to the twisting direction and whether it is decomposed into two fiber bundles when untwisting. In the case of a twisted yarn composed of two fiber bundles, when the fiber bundles are combined and twisted, loose twist is also applied to each fiber bundle, so that it is suppressed to produce fine hair when it is made into a textile yarn, and it is made into a cloth. Significant improvement in pilling. In addition, since each roving becomes a state in which the drawn fiber bundles are intertwined with each other, the degree of intertwining between fiber bundles (fiber bundles are cross-linked) is improved, and the pilling property of fabrics is significantly improved. A twisted yarn composed of two fiber bundles can be produced by the following Siro-Compact Spinning.

The spinning method of the spun yarn A is not particularly limited, and it can be produced by worsted spinning in the following steps in the ring spinning method. Pre-preparing at least one roving A containing more than 50% by mass of polypropylene-based fiber A, supplying two rovings A containing at least one roving A to the drafting zone for drafting, doubling one side and supplying it to the twisting zone, The two strands of roving immediately after being supplied to the twisting zone are sucked by air along the traveling direction of the roving, the fibers are gathered and then twisted, whereby a spun yarn A can be obtained. The weaving method is a method of combining siro spinning and compact spinning, also known as siro compact spinning, and the textile thread obtained by this weaving method is also called siro compact thread or compact siro thread. In siro compact spinning, by adjusting the twist coefficient to the range of 2.4~6.0, it is easy to obtain the textile yarn with the above-mentioned number of fine hairs and porosity, and the pilling resistance of the fabric can be improved. From the viewpoint of pilling resistance and soft texture of the fabric, the twist coefficient is preferably 2.8-4.5, more preferably 3.0-4.0.

The above-mentioned two strands of rovings may both be rovings A. Alternatively, the roving A and other rovings may be used in combination appropriately so that the content of the polypropylene-based fiber A in the obtained spun yarn A exceeds 50% by mass.

(textile thread B) By setting the number of fine hairs with a length of 3 mm or more in the textile thread B to 40 per 10 m or less, with a porosity of 40 to 65%, and a twist coefficient of 2.4 to 6.0, or by making the number of fine hairs with a length of 3 mm or more to 40 Threads/10 m or less and a twist angle of 23° or more, the pilling resistance of the fabric including the spun yarn B becomes good.

When the number of fine hairs with a length of 3 mm or more of the spun yarn B is 40/10 m or less, the pilling resistance of the fabric becomes good. From the viewpoint of further improving the pilling resistance of the fabric, the number of fine hairs with a length of 3 mm or more is preferably 35 or less, more preferably 30 or less, most preferably 10/10 m the following. Also, the number of fine hairs with a length of 5 mm or more is preferably at most 5/10 m, more preferably at most 3/10 m, still more preferably at most 1/10 m, and most preferably at most 0/10 m.

By making the porosity of the spun yarn B 40 to 65%, the pilling resistance of the fabric becomes good. From the viewpoint of pilling resistance and soft texture of the fabric, the porosity is preferably 50-65%, more preferably 55-65%.

By setting the twist coefficient of the spun yarn B to 2.4 to 6.0, the pilling resistance of the fabric becomes good. From the viewpoint of pilling resistance and soft texture of the fabric, the twist coefficient is preferably 2.8-4.5, more preferably 3.0-4.0.

When the twist angle of the spun yarn B is 23° or more, the pilling resistance of the fabric becomes good. From the viewpoint of further improving the pilling resistance of the fabric, the twist angle is preferably at least 25°, more preferably at least 26°, and still more preferably at least 27°. Furthermore, the upper limit of the twist angle of the spun yarn B is not particularly limited, but is preferably 45° or less from the viewpoint of improving weavability, for example.

The spinning thread B is not particularly limited as long as it contains 5% by mass or more of the polypropylene-based fiber B. From the viewpoint of productivity in the spinning process, it is preferably 30% by mass or more of the polypropylene-based fiber B, and more Preferably, it contains 50% by mass or more.

The moisture content of the polypropylene fiber B may be at least 0.15% by mass, preferably at least 0.2% by mass, more preferably at least 0.25% by mass. Also, the moisture content of the polypropylene-based fiber B is preferably at most 1.0% by mass, more preferably at most 0.4% by mass, and is not particularly limited. For example, by hydrophilizing polypropylene fibers by containing a hydrophilic component, polypropylene-based fibers B having a water content of 0.15% by mass or more can be obtained. The polypropylene-based fiber B preferably contains 0.025 to 0.25 parts by mass of the hydrophilic component with respect to 100 parts by mass of the polypropylene component, more preferably contains 0.05 to 0.1 parts by mass.

In the polypropylene-based fiber B, polypropylene may be a homopolymer of propylene, or a copolymer containing propylene and a component that can be copolymerized with it, with a propylene content of more than 50 mol%. The component that can be copolymerized with propylene is not particularly limited, and examples thereof include olefin-based monomers such as ethylene, butene, and methylpentene. Preferred is a propylene homopolymer. The above-mentioned polypropylenes may be used alone or in combination of two or more.

From the viewpoint of spinnability, the melt mass flow rate (MFR) of the above-mentioned polypropylene is preferably 5 to 60 g/10 min.

The above-mentioned hydrophilic component is not particularly limited as long as it is water-soluble or water-dispersible. As a water-soluble hydrophilic component, an ionic surfactant, a nonionic surfactant, etc. are mentioned, for example, Among them, a nonionic surfactant is preferable. Examples of ester-type nonionic surfactants include: glycerin fatty acid esters, sorbitan fatty acid esters, and sucrose fatty acid esters; examples of ether-type nonionic surfactants include: polyoxyethylene (POE) alkyl Ether, polyoxyethylene (POE) alkylphenyl ether, polyoxyethylene polyoxypropylene glycol, etc. Among them, polyoxyethylene alkyl ethers or polyoxyalkylene derivatives (both compounds are manufactured by Kao Corporation under the trade name "EMULGEN") are preferred.

The molecular weight of the above-mentioned water-soluble hydrophilic component is preferably 200-5000, more preferably 300-3000. When using a hydrophilic surfactant alone as the above-mentioned water-soluble hydrophilic component, the molecular weight of the hydrophilic surfactant is preferably 1,000 or less.

Examples of water-dispersible hydrophilic components include: clay minerals such as kaolin, bentonite, montmorillonite, and bentonite; hydrophilic silica such as fumed silica, colloidal silica, and silica gel; talc, zeolite, etc. Multilayer structure or amorphous inorganic particles, natural polymer polysaccharides such as cellulose, amine-based polymer polysaccharides such as chitin and chitosan, etc. Polymer polysaccharides can be added in the form of nanofibers. Clay minerals or nanofibers are added in solid form, so they also function as water-retaining agents. The average particle size of the inorganic particles should be as small as possible, preferably below 100 nm. In addition, the average particle diameter is what measured with the particle diameter measuring apparatus of the phase trap method.

The polypropylene-based fiber B can be obtained by melt-spinning a polypropylene-based resin composition including polypropylene and a masterbatch resin composition containing a hydrophilic component. It is preferable that the said polypropylene resin composition contains the masterbatch resin composition of 1-10 mass parts with respect to 100 mass parts of polypropylene.

The above-mentioned masterbatch resin composition includes polypropylene as a heat-meltable base resin and a hydrophilic component. The above-mentioned masterbatch resin composition preferably contains 1-10% by mass of the above-mentioned hydrophilic component, more preferably contains 2-8% by mass of the above-mentioned hydrophilic component. The polypropylene as the base resin may be the same as or different from the polypropylene constituting the polypropylene-based fiber B.

It is preferable that the above-mentioned masterbatch resin composition further contains a compatibilizing agent. As the compatibilizing agent, for example, vinyl copolymers containing polar groups (acid anhydride groups), such as ethylene-acrylic acid ester copolymers and ethylene-acrylic acid-maleic acid copolymers, are preferable. Since the polar group-containing ethylene-based copolymer has a polar group, the affinity with the hydrophilic component becomes high, and since the melting point is relatively lower than that of polypropylene, it is preferable that kneading is easy. The melting point (DSC method) of the compatibilizer is preferably 70~110°C. The melting point is more preferably 80~105°C.

The above-mentioned masterbatch resin composition may further include high MFR polypropylene having an MFR higher than that of the above-mentioned base resin. The MFR of the high-MFR polypropylene is preferably more than 10 times higher than the MFR of the above-mentioned base resin. For example, the MFR of high MFR polypropylene is preferably 100~3000 g/10 min, more preferably 500~2500 g/10 min. One type of high MFR polypropylene may be used alone, or two or more types may be used in combination.

The manufacturing method of the above-mentioned masterbatch resin composition preferably includes: a primary processing step, melting and kneading the polypropylene and the hydrophilic component of the base resin, and fragmenting it after cooling; The high MFR polypropylene is melt-kneaded in the resin composition, and it is fragmented after cooling. Furthermore, "fragments" are sometimes referred to as "particles".

In the above-mentioned primary processing step, first, using an extruder, the extrusion part is continuously connected to a kneading chamber equipped with a decompression line, and a hydrophilic component (liquid) is supplied to the above-mentioned kneading chamber or dissolved or dispersed in water if necessary. The hydrophilic component in the solvent and the polypropylene of the base resin are mixed, and the solvent is removed in a gaseous state through the above-mentioned decompression line while mixing, and then the resin composition is extruded from the extrusion part to obtain the resin composition. things. Furthermore, if a compatibilizing agent is added, mixing of a base resin and a hydrophilic component becomes efficient, and it is preferable. In addition, in the above-mentioned secondary processing step, it is preferable to add a water retaining agent as a solid hydrophilic component in the hydrophilic component as the case may be.

The polypropylene-based fiber B can be produced by a conventional method except for using a polypropylene-based resin composition including polypropylene and a masterbatch resin composition containing a hydrophilic component. For example, it can be obtained by melt-spinning a polypropylene-based resin composition comprising polypropylene and a masterbatch resin composition containing a hydrophilic component using a spinning head to produce an undrawn yarn, and the obtained The unstretched yarn is stretched, a fiber treatment agent (oil agent) is applied, crimped by a crimper, and dried.

Specifically, the polypropylene-based fiber B (undrawn yarn) can be produced as follows. (1) Perform primary processing (primary processing resin) with polypropylene of base resin: hydrophilic component (polyoxyethylene alkyl ether): compatibilizer = 100: 2~8: 2~8 (parts by mass). (2) As secondary processing, a primary processing resin:high MFR polypropylene=100:5~15 (parts by mass) is processed to produce a masterbatch resin composition (secondary processing resin). (3) Melt-spinning a polypropylene-based resin composition obtained by mixing about 1 to 10 parts by mass of the above-mentioned masterbatch resin composition (secondary processing resin) with 100 parts by mass of polypropylene.

The polypropylene-based fiber B may be a single component of polypropylene, or a composite component of polypropylene or polypropylene and other resins. In the case of coloring the polypropylene-based fiber B, it is sufficient to mix a pigment in polypropylene, or compound it with a component that is easily dyed with a dye, and make it into a core-sheath shape or the like.

The fiber cross-sectional shape of the polypropylene-based fiber B is not particularly limited, and may be any shape of circular or non-circular (so-called special-shaped cross-section).

The above-mentioned fiber treatment agent is preferably a hydrophilic oil agent. By imparting a hydrophilic oil agent, there is a tendency to suppress static electricity and optimize productivity in spinning steps.

The fiber length of the polypropylene-based fiber B is not particularly limited, but is preferably 24-75 mm, more preferably 28-65 mm, further preferably 32-54 mm, and especially preferably 34-48 mm.

The monofilament fiber strength of the polypropylene-based fiber B is preferably 1.8-7.0 cN/dtex, more preferably 2.0-6.0 cN/dtex, and still more preferably 3.0-6.0 cN/dtex. If the monofilament fiber strength is 1.8 cN/dtex or more, the fiber will not be easily broken even if it is subjected to an external force (such as textile tension, etc.) during fiber processing. Also, if the monofilament fiber strength is 7.0 cN/dtex or less, fibers with better pilling resistance can be obtained.

The elongation of the polypropylene fiber B is preferably 5-70%, more preferably 10-40%. If the elongation is 5~70%, the fiber with soft texture can be obtained.

The spun yarn B may contain fibers other than the polypropylene-based fiber B. Other fibers are not particularly limited, and examples thereof include polyolefin fibers other than polypropylene fibers B, acrylic fibers, polyester fibers, nylon fibers, acetate fibers, acrylic fibers, ethylene-vinyl alcohol fibers, and Synthetic fibers such as urethane fibers, or natural fibers such as silk fibers, wool fibers, cashmere goat hair fibers, cotton fibers, and hemp fibers, rayon fibers, cupro fibers, and solvent-spun cellulose Regenerated fibers such as fibers, etc. The spun thread B may appropriately contain other fibers of not more than 50% by mass depending on the use and purpose. The spun yarn B may contain 5% by mass or more of polypropylene-based fibers B and 95% by mass or less of polypropylene-based fibers other than polypropylene-based fibers B. From the viewpoint of lightness and heat retention, the spun yarn B preferably contains a total of 50% by mass or more of polypropylene-based fibers B and other polypropylene-based fibers, more preferably contains 70% by mass or more, and is still more preferably It contains 80% by mass or more, more preferably contains 90% by mass or more, and most preferably 100% by mass is composed of polypropylene-based fiber B and other polypropylene-based fibers.

When the spun yarn B is a yarn (blended yarn) in which polypropylene-based fibers B and other polypropylene-based fibers are mixed in a total of 90% by mass or more, the percentage of polypropylene-based fibers B relative to the total The content is preferably at least 5% by mass. More preferably, it is 30 mass % or more, More preferably, it is 50 mass % or more. When the polypropylene-based fiber B is within the above-mentioned range, the generation of static electricity in the spinning step is suppressed, and thus productivity tends to be optimized.

The polypropylene-based fiber B and other fibers are not particularly limited, for example, the fineness of the monofilament fiber may be 0.1-100 dtex. When the textile thread B is used for clothing, the monofilament fineness of the polypropylene fiber B and other fibers is preferably 0.4-5 dtex, more preferably 0.5-3.5 dtex, and still more preferably 0.6-2.5 dtex. When the textile thread B is used for industrial materials, the fineness of the monofilament fiber is preferably 5-50 dtex. The fiber length of the polypropylene-based fiber B and other fibers is preferably 24-75 mm.

In the case of using spun yarn B for clothing, in the case of a yarn (blend yarn) composed only of polypropylene-based fiber B and other polypropylene-based fibers, polypropylene-based fiber B and other polypropylene-based fibers The average fineness of the fiber is preferably 0.8~2.2 dtex. More preferably 1.2~2.0 dtex. When the average fineness is within the above-mentioned range, the productivity and texture in the spinning process tend to be good. The calculation of the above-mentioned average fineness is as follows. Average fineness (dtex) = (fineness of polypropylene fiber B × blending ratio) + (denier of other polypropylene fibers × blending ratio)

The count of the textile thread B is not particularly limited, but it can range from 5 to 100S, preferably 10 to 90S, more preferably 15 to 85S, and more preferably 20 to 80S in terms of British cotton yarn count.

The textile thread B is preferably a twisted thread composed of two fiber bundles. Whether it is a twisted yarn composed of two fiber bundles can be confirmed by twisting the textile yarn in the opposite direction to the twisting direction and whether it is decomposed into two fiber bundles when untwisting. In the case of a twisted yarn composed of two fiber bundles, when the fiber bundles are combined and twisted, loose twist is also applied to each fiber bundle, so that it is suppressed to produce fine hair when it is made into a textile yarn, and it is made into a cloth. Significant improvement in pilling. In addition, since each roving becomes a state in which the drawn fiber bundles are intertwined with each other, the degree of intertwining between fiber bundles (fiber bundles are cross-linked) is improved, and the pilling property of fabrics is significantly improved. A twisted yarn consisting of two fiber bundles can be produced by siro compact spinning as described below.

The spinning method of the spun yarn B is not particularly limited, and it can be produced by worsted spinning in the following steps in the ring spinning method. At least one roving B containing at least 5% by mass of polypropylene-based fiber B is prepared in advance, two rovings containing at least one roving B are supplied to the drafting zone for drafting, and one side is doubling and the other is supplied to the twisting zone. The two strands of roving immediately supplied to the twisting zone are sucked by air along the traveling direction of the roving to gather the fibers and then twist the yarn to obtain a textile yarn B (siro compact yarn). In siro compact spinning, by adjusting the twist coefficient to the range of 2.4~6.0, it is easy to obtain the textile yarn with the above-mentioned number of fine hairs and porosity, and the pilling resistance of the fabric can be improved. From the viewpoint of pilling resistance and soft texture of the fabric, the twist coefficient is preferably 2.8-4.5, more preferably 3.0-4.0.

The above two rovings may both be roving B. Alternatively, the roving B and other rovings may be used in appropriate combination so that the content of the polypropylene-based fiber B in the obtained spun yarn B becomes 5% by mass or more.

(cloth) The cloth includes the above-mentioned textile threads. Cloth can be knitted or woven. From the viewpoint of improving the pilling resistance, the above-mentioned fabric preferably contains 50% by mass or more of one or more types of textile threads selected from the group consisting of Textile thread A and Textile thread B, more preferably contains 75% by mass The above, more preferably 85% by mass or more, still more preferably 95% by mass or more, and most preferably 100% by mass of the above-mentioned spun yarn. The aforementioned fabric may contain yarns other than the spun yarn A and the spun yarn B, such as spun yarns and/or filament yarns, within the range of impairing the effects of the present invention. Furthermore, the above-mentioned fabric may have a single-layer structure, or may include two or more layers.

The above-mentioned fabric includes a surface layer and an inner layer (skin side), and the surface layer and/or the inner layer preferably contain one or more types of woven yarns selected from the group consisting of woven yarns A and B. By including at least one kind of spun yarn selected from the group consisting of spun yarn A and spun yarn B, the pilling resistance of the fabric improves. From the viewpoint of further improving the pilling resistance, it is preferable to contain at least 50% by mass of one or more textile threads selected from the group consisting of Textile Yarn A and Textile Yarn B, more preferably at least 75% by mass. , and more preferably contain 85% by mass or more, still more preferably contain 95% by mass or more, and most preferably 100% by mass are composed of the above-mentioned textile thread.

In addition, since the surface layer and/or the back layer contain one or more textile threads selected from the group consisting of textile threads A and textile threads B, that is, polypropylene-based fibers as hydrophobic fibers, the washing of the above-mentioned cloth Quick drying is improved. In addition, if the above-mentioned surface layer and/or back layer contain spun yarns B made of hydrophilized hydrophobic fibers, that is, polypropylene-based fibers B with a moisture content of 0.15% by mass or more, moisture will diffuse more easily.

The above-mentioned surface layer and/or inner layer may also contain other yarns other than one or more kinds of textile threads selected from the group consisting of textile threads A and B. The aforementioned other yarn may be any of woven yarn, multifilament, and monofilament, and is preferably woven yarn from the viewpoint of heat retention or soft texture. The above-mentioned spun yarn can be produced by any method such as the ring spinning method, the open-end method, the bundle method, the alternate twist method, the winding method, the eddy current method (MVS method), and the untwisted method. In addition, compact spinning in which a compact spinning system is introduced into a ring spinning machine in the ring spinning method may also be used. In addition, a single yarn or a twin yarn may be used, or a plurality of twisted yarns may be used. The above-mentioned other yarns may be composed of hydrophilic fibers and/or hydrophobic fibers.

Examples of the above-mentioned hydrophobic fibers include fibers having a moisture content of less than 5% by mass, such as polyester fibers, polyolefin fibers, polyamide fibers, acrylic fibers, vinyl chloride fibers, and the like. As the polyester fiber, for example, a fiber selected from polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, polylactic acid, poly Fiber composed of one or more polyester resins among butylene succinate and its copolymers. As polyolefin fibers, for example, fibers composed of one or more polyolefin resins selected from polypropylene, polyethylene, polybutene-1, and ethylene-propylene copolymers can be used. As the polyamide fiber, for example, a fiber made of polyamide resin such as nylon 6 or nylon 66 can be used.

When using the above-mentioned hydrophobic fiber, it is preferable to use a hydrophilic-treated hydrophobic fiber having a moisture content of 0.5% by mass or more and less than 5.0% by mass from the viewpoint of facilitating moisture diffusion. As the hydrophilization treatment, for example, corona discharge treatment, sulfonation treatment, graft polymerization treatment, mixing a hydrophilizing agent into the fiber, and imparting a hydrophilizing agent and/or Absorbent. For example, one-bath processing using a water-absorbing agent for polyester in the dyeing step is exemplified as the hydrophilization treatment for polyester fibers.

Examples of the above-mentioned water-absorbing agent for polyester include: compounds having polyethylene glycol side chains bonded to polyester; dimethyl terephthalate, dimethyl isophthalate, and polyethylene glycol Copolymerized polyester resin composed of dimethyl terephthalate and polyethylene glycol; composed of terephthalic acid, adipic acid, 5-sulfoisophthalic acid and polyethylene glycol Copolymerized polyester resin composed of diol; block copolymerized polyester resin composed of terephthalic acid and/or isophthalic acid, alkylene glycol and polyalkylene glycol, etc. Examples of commercially available water-absorbing agents for polyester include NICEPOLE PR-99 (manufactured by Nichika Chemical Co., Ltd.), NICEPOLE PRK-60 (manufactured by Nichika Chemical Co., Ltd.), NICEPOLE PR-86E (manufactured by Nichika Chemical Co., Ltd. ), SR1805M (manufactured by Takamatsu Oil Co., Ltd.), MEIKA FINISH SRM-65 (manufactured by Meisei Chemical Co., Ltd.), etc. As a water absorption processing agent for nylon, NICEPOLE PRN (made by the Nikka Chemical Co., Ltd.) is mentioned, for example.

The degree of hydrophilization of the above-mentioned hydrophilized hydrophobic fibers can be specified by the difference between the moisture content of the hydrophobic fibers after the hydrophilization treatment and the conventional moisture content of the hydrophobic fibers. The lower limit of the degree of hydrophilization is preferably 0.1% by mass or more from the viewpoint of easy acquisition of predetermined liquid absorption. More preferably, it is 0.2 mass % or more. The upper limit of the degree of hydrophilization is not particularly limited, but since the diffusibility of water hardly changes even if the degree of hydrophilization exceeds 1.0% by mass, it is preferably 1.0% by mass or less.

Examples of the above-mentioned hydrophilic fibers include fibers with a moisture content of 5% by mass or more, such as natural fibers such as pulp, cotton, hemp, silk, and wool, viscose rayon, cupro fibers, and solvent-spun fibers. Regenerated cellulose fibers such as cellulose fibers, and hydrophilic synthetic fibers, etc. From the viewpoint of easy water absorption and diffusion, the hydrophilic fiber is more preferably scoured and bleached cellulose fiber.

Among the other yarns mentioned above, the monofilament fineness of the hydrophilic fiber and/or the hydrophobic fiber is preferably 0.5-3.5 dtex, more preferably 0.6-2.5 dtex.

The above-mentioned back layer is preferably a spun yarn B containing polypropylene-based fibers B with a water content of 0.15% by mass or more. By constituting the inner layer on the muscle side with the spun yarn B containing the polypropylene fiber B with a moisture content of 0.15% by mass or more, not only the pilling resistance of the inner layer is improved, but also the lightness of the polypropylene fiber is effectively utilized It can improve the water absorption and quick-drying properties of fabrics, especially the water absorption and quick-drying properties after washing. From the standpoint of pilling resistance, light weight, heat retention and quick-drying properties, the above-mentioned inner layer preferably contains 50% by mass or more of the textile thread B, more preferably contains 75% by mass or more, and is still more preferably It contains 85 mass % or more, More preferably, it contains 95 mass % or more, Most preferably, 100 mass % is comprised from the textile thread B.

When the other yarns constituting the above-mentioned inner layer are textile threads, the count of the textile threads is not particularly limited, and it can be in the range of 5~100S, preferably 10~90S, more preferably in the English cotton yarn count 15~85S, and more preferably 20~80S. The monofilament fineness of the fibers constituting the above-mentioned textile yarn is preferably 0.4-20 dtex, more preferably 0.5-3.5 dtex, and still more preferably 0.6-2.5 dtex. The fiber length of the fibers constituting the above-mentioned textile thread is preferably 24-75 mm.

From the viewpoints of lightness, heat retention, and quick-drying properties, the textile thread B constituting the inner layer preferably contains 30% by mass or more of polypropylene-based fibers B, more preferably 50% by mass or more, and more preferably Preferably, it contains 70% by mass or more. The woven yarn B constituting the above-mentioned inner layer may consist of only polypropylene-based fibers B, or may contain other fibers. The polypropylene-based fiber B and other fibers can be combined by any method such as blending, yarn joining, mixed weaving, doubling, and interweaving.

The above-mentioned other fibers are not particularly limited, and synthetic fibers, natural fibers, regenerated fibers, and the like can be suitably used. Specific examples include polyolefin fibers other than polypropylene fibers B, acrylic fibers, nylon, polyester fibers, nylon fibers, rayon fibers, cupro fibers, acetate fibers, and ethylene-vinyl alcohol fibers , polyurethane fiber, cotton (cotton) fiber, hemp fiber, silk fiber, velvet (wool) fiber and cashmere goat hair fiber, etc., the above-mentioned various fibers can be combined. Among them, it is preferably at least one selected from the group consisting of polypropylene fibers other than polypropylene fibers B, polyester fibers, acrylic fibers, polyurethane fibers, and wool fibers. Preferably, it is at least one kind selected from the group consisting of polypropylene fibers other than polypropylene-based fibers B, polyurethane fibers, and polyester-based fibers. By using a polypropylene fiber other than the polypropylene-based fiber B, lightness and heat retention become favorable. By using the polyurethane fiber, not only stretchability is imparted, but also air permeability is lowered, whereby heat retention can be further improved. Quick-drying properties can be improved by using polyester fibers. By using acrylic fibers, heat retention and dyeability can be improved.

The spun yarn B constituting the above-mentioned back layer may contain 70% by mass or less of other fibers depending on the purpose or the like. The woven yarn B constituting the above-mentioned inner layer may contain 30% by mass or more of polypropylene-based fibers B and 70% by mass or less of polypropylene-based fibers other than polypropylene-based fibers B. From the viewpoint of lightness and heat retention, the woven yarn B constituting the above-mentioned inner layer preferably contains a total of 30% by mass or more of polypropylene-based fibers B and other polypropylene-based fibers, more preferably 50% by mass or more . The woven yarn B constituting the inner layer is not particularly limited, and may contain, for example, 30 to 70% by mass of polyester fiber. Moreover, the woven yarn B which comprises the said back layer is not specifically limited, For example, it may contain the polyurethane fiber of 1-10 mass %.

In one or more embodiments of the present invention, when the yarn constituting the inner layer is composed of woven yarn B comprising polypropylene fiber B, the above-mentioned surface layer is preferably composed of fibers having a moisture content of 0.5 mass. % and less than 5.0% by mass of hydrophobic fibers and hydrophilic fibers with a moisture content of 5.0% by mass or more. It can improve the water absorption and quick-drying properties of fabrics and the water-absorbing and quick-drying properties after washing.

In these embodiments, it is more preferable that the surface layer is composed of a yarn containing hydrophilized hydrophobic fibers from the viewpoint of easily diffusing moisture. The yarn constituting the surface layer preferably contains at least 30% by mass of at least one fiber selected from the group consisting of hydrophilized hydrophobic fibers and hydrophilic fibers, more preferably contains 50% by mass or more, and more preferably Preferably, it contains 70% by mass or more. For example, when it is desired to obtain a dry touch of the surface layer, it is preferable to use polyester fibers as the above-mentioned hydrophilized hydrophobic fibers from the viewpoint of versatility. The yarn constituting the above-mentioned surface layer preferably contains 30% by mass or more of polyester fiber, more preferably contains 70% by mass or more of polyester fiber.

In these embodiments, the yarn constituting the surface layer may be any of woven yarn, multifilament and monofilament, and is preferably a multifilament from the viewpoint of soft texture. In the yarns constituting the above surface layer, the hydrophobic fiber and/or the monofilament fineness of the hydrophobic fiber is preferably 0.4-20 dtex, more preferably 0.5-3.5 dtex, further preferably 0.6-2.5 dtex.

In these embodiments, it is preferable to weave or knit the woven yarns B constituting the inner layer and the yarns constituting the surface layer, and expose at least a part of the woven threads B constituting the inner layer toward the surface layer. Moisture moves from the inner layer to the surface layer as the skin contact surface faster, and the water absorption and quick-drying properties are improved.

The above-mentioned fabric may be a knitted fabric having a multi-layer structure of more than double layer structure, or may be a woven fabric having a multi-layer structure of more than double layer structure. In the case of knitted fabrics, it can be single-sided knitting, or plain stitch or mesh knitting with textured knitting of different materials on the front and back. Examples include: smooth knitting and corrugated knitting in double-sided knitting, as double-sided knitting. One-side honeycomb knitting, multi-step double-side knitting, single-side honeycomb knitting, etc. In the case of woven fabrics, examples include satin weave, 3/1 twill weave, etc. of double-layer weave or single-layer weave. Especially preferred is a knitted fabric having a double-layered structure consisting of a double-knit single-jersey honeycomb structure. In this case, it is preferable that the inner layer is constituted by a honeycomb surface.

In addition, the above-mentioned fabric may be jersey excellent in heat retention, water absorption, and stretchability, and the inner layer (lining) of the jersey may be inner pile or inner nap. By making the surface layer a plain weave (Tianzhu weave) containing one or more textile threads selected from the group consisting of the textile threads A and B, the pilling resistance and the washing and drying properties of the single jersey are improved. Also, when the jersey is composed of surface yarns, middle yarns, and back yarns, by using one or more textile threads selected from the group consisting of textile threads A and textile threads B as the surface layer yarns Thread, middle layer yarn, anti-pilling and washing drying properties are further improved.

The above-mentioned fabrics can be dyed after the scouring step, and water absorption, soil release (SR, Soil release) processing, antibacterial processing, antistatic processing, etc. can be used in the finishing process.

The said fabric can be manufactured by the following method, for example. ＜How to make fabric 1＞ comprising the steps of: preparing a yarn comprising hydrophobic fibers (also referred to as yarn m); Prepare spinning thread B; Cloth is produced by weaving or knitting in such a way that the outer layer is formed of yarn m and the inner layer is formed by textile thread B; and At least one process selected from the group consisting of a scouring process and a dyeing process is further subjected to water absorption processing, and the hydrophobic fibers constituting the surface layer are processed so that the moisture content becomes 0.5% by mass or more.

＜How to make fabric 2＞ comprising the steps of: preparing a yarn comprising hydrophilic fibers (also referred to as yarn n); Prepare spinning thread B; Cloth is produced by weaving or knitting in such a way that the outer layer is formed of yarn n and the inner layer is formed of textile thread B; and At least one process selected from the group consisting of scouring, bleaching (only for natural cellulose fibers such as cotton and hemp), dyeing, and finishing (softening) is performed.

From the standpoint of high water absorption and quick-drying properties, the above-mentioned fabric preferably has an evaporation rate of 30% or more in the evapotranspiration (II) test (according to BOKEN specification BQE A 028) 20 minutes after the start of the test. The evapotranspiration (II) test is a test for comprehensively evaluating both water absorption and quick-drying properties. Specifically, the evapotranspiration rate is measured according to the method described below.

Alternatively, from the standpoint of high water absorption and quick-drying properties, the above-mentioned fabric is preferably dried according to ISO17617 (2014) Determination of moisture drying rate (Method B-Horizontal drying) Drying time (the time for the evapotranspiration rate to reach 100%) is less than 45 minutes. The measurement method of ISO17617 is the same as the above-mentioned evapotranspiration (II) test, and the regression line of the evapotranspiration rate relative to the shortest time from immediately after dropping until the evapotranspiration rate reaches 90% is obtained. y=ax+b[y: evapotranspiration rate (%), a: slope, x: time, b: intercept] Calculate the drying time (the time when the evapotranspiration rate reaches 100%) from the value obtained from the regression line. Drying rate (Drying rate) (%/min) = a Drying time (100%)=(100-b)/a

From the viewpoint of high water absorption and quick-drying after washing, the above-mentioned fabric is preferably 30 minutes after the start of the test in the evapotranspiration (I) test (according to the textile inspection specification BQE A 006) after 10 washes. Up to 20% or more. The evapotranspiration (II) test is a test for comprehensively evaluating both water absorption and quick-drying properties. Specifically, the evapotranspiration rate is measured according to the method described below.

The above-mentioned fabric, or the inner layer and/or surface layer of the above-mentioned fabric has a pilling resistance measured by an ICI-type testing machine in accordance with JIS L 1076 A method, preferably at least grade 3, more preferably at least grade 3.5, and even more preferably at least grade 3.5. Level 4 and above.

In one or more embodiments of the present invention, the above-mentioned fabric is a clothing fabric composed of a surface layer, a back layer, and a binding thread connecting them, preferably selected from the group consisting of the surface layer and the back layer. One or more layers include one or more textile threads selected from the group consisting of textile threads A and textile threads B. The aforementioned fabric for clothing includes one or more kinds of textile yarns selected from the group consisting of the textile yarns A and B, so that pilling resistance is improved. From the viewpoint of further improving the pilling resistance, it is preferable to contain at least 50% by mass of one or more textile threads selected from the group consisting of Textile Yarn A and Textile Yarn B, more preferably at least 75% by mass. , and more preferably contain 85% by mass or more, still more preferably contain 95% by mass or more, and most preferably 100% by mass are composed of the above-mentioned textile thread.

In the above fabric for clothing, the surface layer and the back layer may have the same configurations as those of the above-mentioned fabric including the surface layer and the back layer.

The above-mentioned binding thread includes monofilament with a fineness of 10-220 dtex. In this way, the binding thread will not deteriorate, and the fabric has both thickness and lightness. From the viewpoint of aging and texture, the fineness of the above monofilament is preferably 10-110 dtex, more preferably 20-50 dtex.

The above-mentioned binding yarn may be obtained by using the above-mentioned monofilament alone, or may be obtained by doubling the above-mentioned monofilament and multifilament or a spun yarn, and inserting and weaving, or may be interlaced. From the viewpoint of simultaneously imparting thickness and lightness to the fabric, the binding thread is preferably composed of only the above-mentioned monofilaments.

The fiber constituting the above-mentioned binding thread is not particularly limited, but it is preferably a hydrophobic fiber from the viewpoint of washing quick-drying property. Hydrophobic fiber is not specifically limited, For example, polyester fiber, polyolefin fiber other than polypropylene fiber B, polyamide fiber, acrylic fiber, vinyl chloride fiber etc. are mentioned. As the polyester fiber, for example, a fiber selected from polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, polylactic acid, poly Fiber composed of one or more polyester resins among butylene succinate and its copolymers. As polyolefin fibers, for example, fibers composed of one or more polyolefin resins selected from polypropylene, polyethylene, polybutene-1, and ethylene-propylene copolymers can be used. As the polyamide fiber, for example, a fiber made of polyamide resin such as nylon 6 or nylon 66 can be used. From the viewpoint of washing quick-drying properties, the fibers constituting the above-mentioned binding thread are preferably polyester fibers.

The above-mentioned fabric for clothing is not particularly limited as long as it is composed of the surface layer, the back layer (muscle side), and the binding thread connecting them. It is preferable to use different textures to weave the surface layer and the back layer, or It adopts a density structure in which the inner layer is open weave and the surface layer is dense weave. In addition, the above-mentioned fabric for clothing does not necessarily have to be able to clearly recognize the three-layer structure in the cross-sectional shape of the fabric seen in the transverse direction, but it is preferable to use a double-face (double face) weave or a corrugated weave. By using other weaving methods, more air layers can be included to optimize heat retention, which is better. Here, the weaving structure of the inner layer and the outer layer is called double weave, and the weaving structure of the inner layer and the outer layer is the same, and the space part has an air layer is called corrugated weave.

The above fabrics for clothing can be dyed after the scouring process, and can be combined with water absorption, SR (Soil release) processing, antibacterial processing, antistatic processing, etc. during the finishing process.

From the point of view of high washing quick-drying, the drying rate of the above-mentioned clothing fabrics according to the textile inspection specification BQE A 024-2016, measured by the following test method after 90 minutes, is preferably 40% or more, more preferably 45% above. For the specific measurement method, refer to the description below.

From the point of view of high thermal insulation, the thermal insulation rate of the above-mentioned clothing fabrics measured by the dry contact (dry contact) method using THERMOLAB 2 manufactured by Kato Tech Co., Ltd. is preferably 40.5%. Above, more preferably above 41.0%. For the specific measurement method, refer to the description below.

From the viewpoint of excellent water absorption and washing and drying properties, the water absorption time of the clothing fabric as measured by the JIS L 1907 dropping method is preferably 30 seconds or less, more preferably 20 seconds or less, and still more preferably 15 seconds or less.

The inner layer and/or surface layer of the above-mentioned fabrics for clothing use JIS L 1076 A method, and the pilling resistance measured by ICI-type testing machine is preferably grade 3 or higher, more preferably grade 3.5 or higher, and more preferably grade 4 above.

In one or more embodiments of the present invention, the fabric is not particularly limited, but from the viewpoint of wearability such as light weight, for example, the weight per unit area is preferably 450 g/ ^m2 or less, more preferably 400 g/m2 ² or less, more preferably 300 g/m ² or less, especially preferably 200 g/m ² or less. Also, the above-mentioned fabric is not particularly limited, and the weight per unit area is preferably 50 g/m ² or more from the viewpoint of heat retention and the like.

Also, the above-mentioned fabric is not particularly limited, but the thickness is preferably 4.0 mm or less, more preferably 3.5 mm or less, still more preferably 2.5 mm or less, especially preferably 1.5 mm or less. Also, the above-mentioned fabric is not particularly limited, but the thickness is preferably 0.5 mm or more.

The above-mentioned fabric can be used for clothing, industrial substrates, and the like. Examples of clothing materials include underwear, panties, shirts, jumpers, sweaters, shorts, training wear, tights, loincloths, scarves, hats, gloves, Socks, earmuffs, etc. As an industrial base material, a carpet, bedding, furniture, etc. are mentioned, for example.

Hereinafter, it demonstrates using a figure. Fig. 1 is a partial perspective view of an example of a ring spinning machine used in an embodiment of the present invention.

Two strands of roving 1a, 1b are supplied in parallel via a guide bar 101 and a trumpet 102 to a back roller 103, a middle roller 104, and an apron. 105 and the draft zone that front roller (front roller) 106 constitutes, one side parallel drafts one side and supplies to twisting zone. Using the converging device composed of the air suction part 107, the breathable apron 108, the rotating roller 109 and the auxiliary roller 110, the two drafted rovings (fibers) just supplied to the twisting area are sucked by air along the traveling direction of the roving. Bundle) 2a, 2b to gather the fibers, and twist through a snail wire 111 , a traveler 112 , and a ring 113 to obtain a spun yarn (siro compacted yarn) 10 .

In the case of producing the spun yarn A, the rovings 1a and 1b may both be rovings A. Alternatively, one of the rovings 1a and 1b may be the roving A, and the other of the rovings 1a and 1b may be another roving in which the content of the polypropylene-based fiber A in the obtained spun yarn A is adjusted to more than 50% by mass.

In the case of producing the spun yarn B, the rovings 1a and 1b may both be rovings B. Alternatively, one of the rovings 1a and 1b may be the roving B, and the other of the rovings 1a and 1b may be another roving in which the content of the polypropylene-based fiber B in the obtained spun yarn B is adjusted to 5% by mass or more.

Fig. 2 is a schematic explanatory diagram of an extruder used in one embodiment of the present invention. The extruder 201 is composed of a raw material supply port 202 , a resin melting part 203 , a kneading and dispersing part 204 , a decompression line 205 , an extruding part 206 and a taking out part 207 . First, a polymer (base resin that can be heated and melted) and a hydrophilic component (liquid) or a hydrophilic component dissolved in water are supplied from the raw material supply port 202 of the resin melting part 203 . Both may be previously mixed before supplying. Then, it is sent to the kneading and dispersing section 204, where there are a plurality of rotating kneading plates, where the polymer and the hydrophilic component dissolved in water are evenly mixed. Then, the moisture is removed from the decompression line 205 in the state of water vapor. Next, the resin composition is extruded from the extrusion part 206, cooled, taken out from the take-out part 207, and cut to become a granular resin composition (primary processed resin) after cooling. Example

Hereinafter, the present invention will be described more specifically by means of examples. The present invention is not limited to the following examples.

(Measurement method) (1) Melt mass flow rate (MFR) Measured at 230° C. under a load of 2.16 kg in accordance with ISO1133. (2) Moisture content is measured in accordance with JIS L 1015 (2010) under the standard conditions of temperature 20°C and relative humidity 65%. (3) The number of fine hairs was measured in accordance with JIS L 1095 (2010) 9.22.2 B method. A LASERSPOT (model LST-V++, manufactured by Kekeki Kogyo Co., Ltd.) was used as a wool testing machine, and the test conditions were set at a yarn running speed of 50 m/min, a test length of 100 m, and N=1. (4) The British cotton yarn count is measured according to the cotton yarn count determination method of JIS L 1095 (2010) 9.4.1, the positive TEX-count determination of general textile threads. (5) Twist coefficient The number of twists was measured according to JIS L 1095 (2010) 9.15.1 A method, and the twist coefficient was calculated according to the following formula. Twist coefficient = number of twists per 1 inch of yarn / √ count (6) Twist angle (a) Place the yarn in the horizontal direction, use the electronic microscope VE-9800 manufactured by KEYENCE to obtain the side surface of the yarn Image (100x). (b) Take the midpoint of the cross-sectional direction of the yarn at the left end and the right end of the side image of the obtained yarn, respectively, and connect the two points with a straight line to obtain the yarn shaft. Take the obtained yarn shaft as the reference line. For example, in Fig. 3, C and D are respectively the middle point of the cross-sectional direction of the yarn at the left end and the right end of the side image of the yarn, and Lb is the reference line. (c) Measure the acute angle formed by the reference line and the fibers on the surface of the twisted yarn as the twist angle. For example, in Fig. 3, the acute angle α formed by the reference line Lb and the fibers on the surface of the yarn is the twist angle. (7) Porosity, apparent density (I) Calculation of the diameter of the textile thread based on the side observation of the yarn. Using the electron microscope VE-9800 (magnification: 40 times to 100 times) manufactured by KEYENCE, the yarn is photographed under no tension. Side view of the state. As shown in Figure 4, the tangent of the outermost fiber (hereinafter referred to as the outermost fiber) of the yarn drawn from any part of the yarn in the length direction of the yarn is perpendicular to the central axis (length direction) of the yarn Draw a perpendicular to the tangent. Take the intersection point A of the perpendicular line and the outermost fiber constituting the yarn. Furthermore, the intersection point B of the outermost fiber on the opposite side to the intersection point A is taken across the central axis of the yarn. The diameter of the yarn is determined from the distance between AB. Five images were taken at different parts of a single sample. The yarn diameters at five locations were obtained for each image and used as representative values of the image. Furthermore, the average value of 5 images was calculated|required as the representative value of this yarn sample. (II) Calculation of the apparent density of the textile thread Calculate the weight per unit length from the positive count (JIS L 1095 9.4.1 positive TEX and count), by using the diameter of the textile thread measured in (I) , The cross section of the yarn is approximated as a circle to calculate the volume, and the weight per unit length is divided by the calculated volume to define the apparent density of the yarn. The smaller the apparent density, the larger the bulkiness per unit length of the yarn. The cross-sectional image of the yarn was taken with an electron microscope VE-9800 manufactured by KEYENCE at a magnification of 270 times. In order to preserve the cross-sectional shape, epoxy resin was used for embedding, and a microtome (Leica EM UC6) was used for trimming with a glass knife. Observation was performed with an electron microscope VE-9800 manufactured by KEYENCE (magnification: 270 times). (III) Calculation method of porosity Calculate the volume Vm of any cylinder having the same specific gravity as the fiber material constituting the yarn and the same weight as the yarn. Furthermore, using the yarn diameter measured in (I), the yarn volume Vy is calculated by approximating the cross section of the yarn to a circle. Divide Vm by Vy and multiply by 100 to obtain the ratio of the volume occupied by fibers in the yarn. The porosity, the ratio of air in the yarn, is derived by subtracting this ratio from 100. Among them, the fiber specific gravity recorded in JIS L 1096:2010 8.11 apparent specific gravity and pore volume ratio was used for calculation. (8) Pilling test According to JIS L 1076 A method, use the ICI type testing machine to conduct the pilling test to confirm the degree of pilling. (9) Fiber properties According to JIS L 1015, the strength and elongation of monofilament fibers were measured. (10) Weight per unit area, thickness and overall density The weight per unit area and thickness were measured in accordance with JIS L 1096 (2010). The overall density was calculated based on the basis weight and thickness. (11) The productivity of the spinning process is evaluated in accordance with the following 5-stage benchmarks for each step in the spinning process ((I) blended cotton, (II) carding, (III) drawing frame, (IV) slubbing, (V) ) Worsted spinning, (VI) coiled yarn) productivity, take the average score as the comprehensive score. 5: Good 4: Generally good 3: Fair 2: Many failures 1: Production impossible (12) Weaving property of fabric The weaving property at the time of fabric production was evaluated according to the following 5-stage criteria. 5: Good 4: Generally good 3: General 2: Many faults 1: Cannot be produced (13) Evaluation of water absorption and quick drying 1 According to the evapotranspiration (II) test of the BOKEN Quality Evaluation Institute of the General Foundation (BQE A 028 of the spinning inspection specification ) to find the evapotranspiration rate after 20 minutes. The standard of BOKEN general products is more than 30%. Specifically, the evapotranspiration rate is measured and calculated by the following methods. (a) Measure the mass (W) of the test piece and petri dish with a diameter of about 9 cm. (b) Drop 0.1 mL of water into the petri dish, place the test piece on it, and measure the mass (W0). (c) Place it in the standard state (20°C, 65%RH), measure the mass (Wt) at regular intervals, and calculate the evaporation rate (%) after 20 minutes. Evapotranspiration rate (%)=[(W0-Wt)/(W0-W)]×100 (14) Water absorption and quick-drying evaluation 2 According to the evapotranspiration (I) test of the BOKEN Quality Evaluation Institute of the General Foundation (BQE A 006), to find the evapotranspiration rate after 30 minutes. The general product benchmark is more than 20%. Specifically, the evapotranspiration rate is measured and calculated by the following method. (a) Measure the mass (W) of the test piece and watch glass with a diameter of about 9 cm. (b) Drop 1 mL of water into a watch glass, place a test piece on it, and measure the mass (W0). (c) Place it in the standard state (20°C, 65%RH), measure the mass (Wt) at regular intervals, and calculate the evaporation rate (%) at each time. Evapotranspiration rate (%)=[(W0-Wt)/(W0-W)]×100 (15) Water absorption and quick-drying evaluation 3 Using a moisture management tester (MMT, Moisture Management Tester), according to AATCC TM 195 (American Fiber Chemical Technology · Dyeing Technology Association specification) or GB/T21655.2 (China standard specification) for water absorption and quick-drying test. Specifically, a sample (9 cm × 9 cm) will be placed in the device, and the test water (about 0.2 mL) will be dripped on the water-immersed surface (the side of the muscle, the inner layer) of the sample for 20 seconds, using the feeling inside the device. The measuring device records the diffusion and penetration state of the water after a certain period of time, and it lasts for 120 seconds. According to the following measurement items automatically calculated, refer to the 1~5 stage evaluation of GB/T21655.2 (China Standard Specification) recorded in the following Table 1, or the AATCC TM 195 (American Fiber Chemical Technology) recorded in the following Table 2・Evaluation based on the 1st to 5th stages of the Association of Dyeing Technology Standards). (16) Washing method is carried out according to JIS L 0217 103 method. (17) Heat retention The heat retention was evaluated by measuring the heat retention rate by the dry contact method using THERMOLAB 2 manufactured by Jiaduo Technology Co., Ltd. Specifically, in a constant air flow (30 cm/s), the heat release rate (power consumption) of the heat released from the heating plate set at the ambient temperature +10°C through the test piece (20×20 cm) was measured, Find the insulation rate. The larger the number of heat retention rate, the higher the heat retention. (18) Washing dryness According to the textile inspection specification BQE A 024-2016, the drying rate after 90 minutes and the time for the drying rate to reach 90% are measured by the following test method, and the washing dryness is evaluated. The higher the drying rate after 90 minutes, the higher the washing dryness. The shorter the time for the drying rate to reach 90%, the higher the dryness of washing. (a) Adjust the test piece under the standard state (20°C, 65%RH), and measure the mass (W). (b) After immersing in water for 30 minutes, dehydration was performed for 30 minutes. (c) After measuring the mass (W ₁ ) after dehydration, hang the test piece in the environment of the standard state, measure the mass (Wx) every predetermined time, and obtain the drying rate according to the following formula. Drying rate (%)={(W ₁ -W)-(W _x -W)}/(W ₁ -W)X100 (19) Water absorption The water absorption time was measured by the JIS L 1907 dropping method, and the water absorption was evaluated. The shorter the water absorption time, the higher the water absorption. (20) Air permeability The air permeability was evaluated by JIS L 1096 A method (Frajour's method).

[Table 1]

[Table 2]

<Manufacturing Example 1 of Masterbatch Resin Composition> [primary processing resin] (1) A polyoxyalkylene ether (manufactured by Kao Corporation, EMULGEN 1108, active ingredient 100% by mass, molecular weight 473) was prepared as a water-soluble hydrophilic component. (2) Prepare polypropylene (MFR 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm) as the base resin. (3) 80 parts by mass of base resin pellets and 12.5 parts by mass of polypropylene (MFR: 800 g/10 min) containing 4 mass % polyoxyalkylene ether are supplied from the raw material supply port 202 of the extruder shown in FIG. 2 , 2.5 parts by mass of hydrophilic components and compatibilizer (ethylene-acrylic acid-maleic acid copolymer (MFR: 80 g/10 min (190°C, 2.16 kg), melting point (DSC method) is 98°C) 5 mass share. (4) Set the processing temperature in the extruder at 170~190°C. In the resin melting part 203, the supply is forwarded along the rotating shaft, and there are a plurality of rotating kneading plates in the kneading and dispersing part 204, where the base resin and the hydrophilic component are uniformly mixed, and then the decompression line 205 is set to Vacuum (negative pressure), whereby moisture is removed at the same time. (5) Next, the resin composition is extruded from the extrusion part 206 and taken out from the extraction port 207 after being cooled. (6) Import into a granulator for granulation (primary processing of resin). (one processing step) [Secondary processing resin] (1) Using the extruder above, 100 parts by mass of the pelletized resin composition (primary processing resin) obtained in one step was mixed with low stereoregularity polypropylene having an MFR of 2000 g/10 min as high MFR propylene (trade name "L-MODU" S400, manufactured by Idemitsu Kosan Co., Ltd.) 10 parts by mass were supplied from the raw material supply port 202 . (2) Melt kneading, cooling, and granulation with a granulator to obtain a cylindrical polypropylene-based masterbatch resin composition (secondary processing resin) with a diameter of 2 mm and a height of 2 mm.

＜Production Example 1 of Fiber＞ (1) 100 parts by mass of polypropylene (MFR 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm), 2 parts by mass of the masterbatch resin composition obtained in Production Example 1, and carbon black 2 parts by mass were mixed. (2) The mixed resin composition (pellets) of (1) is supplied from the raw material supply port of the extruder for melt spinning, melt-kneaded by the extruder using a conventional melt spinning machine, and then melt-spun. Thereafter, stretching is performed using a known stretching machine, a commonly used hydrophilic fiber treatment agent is applied so that the adhesion amount becomes 0.15% by mass, crimping is applied by a crimper, and cutting is performed to produce a monofilament fiber with a fineness of about 1.8 dtex 1. Polypropylene fiber with a fiber length of 38 mm (hereinafter also referred to as hydrophilized PP fiber 1 (black)).

＜Production example 2 of fiber＞ (1) 100 parts by mass of polypropylene (MFR: 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm) were mixed with 2 parts by mass of carbon black. (2) The mixed resin composition (pellets) of (1) is supplied from the raw material supply port of the extruder for melt spinning, melt-kneaded by the extruder using a conventional melt spinning machine, and then melt-spun. Thereafter, stretching was carried out using a known stretching machine, and the same hydrophilic fiber treatment agent as in Production Example 1 was applied so that the adhesion amount became 0.15% by mass, crimping was applied by a crimper, and cutting was performed to produce monofilament fibers A polypropylene-based fiber with a denier of about 1.8 dtex and a fiber length of 38 mm (hereafter also referred to as ordinary PP fiber 1 (black)).

＜Production example 3 of fiber＞ 100 parts by mass of polypropylene (MFR: 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm) are supplied from the raw material supply port of the extruder for melt spinning, and a melt spinning machine using a conventional method is used , after being melted and kneaded by an extruder, melt spinning is carried out. Thereafter, stretching was carried out using a known stretching machine, and the same hydrophilic fiber treatment agent as in Production Example 1 was applied so that the adhesion amount became 0.15% by mass, crimping was applied by a crimper, and cutting was performed to produce monofilament fibers Polypropylene-based fibers with a fineness of about 1.3 dtex and a fiber length of 38 mm (hereinafter also referred to as ordinary PP fiber 2 (white)).

＜Example 4 of fiber production＞ (1) 100 parts by mass of polypropylene (MFR 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm) were mixed with 2 parts by mass of the masterbatch resin composition obtained in Production Example 1. (2) The mixed resin composition (pellets) of (1) is supplied from the raw material supply port of the extruder for melt spinning, melt-kneaded by the extruder using a conventional melt spinning machine, and then melt-spun. Thereafter, stretching was carried out using a known stretching machine, and the same hydrophilic fiber treatment agent as in Production Example 1 was applied so that the adhesion amount became 0.15% by mass, crimping was applied by a crimper, and cutting was performed to produce monofilament fibers Polypropylene fiber with a fineness of about 1.9 dtex and a fiber length of 38 mm (hereinafter also referred to as hydrophilized PP fiber 2 (white)).

＜Manufacturing example 5 of fiber＞ 100 parts by mass of polypropylene (MFR: 20 g/10 min) pellets (cylindrical shape with a diameter of 2 mm and a height of 2 mm) are supplied from the raw material supply port of the extruder for melt spinning, and a melt spinning machine using a conventional method is used , after being melted and kneaded by an extruder, melt spinning is carried out. Thereafter, stretching was carried out using a known stretching machine, and the same hydrophilic fiber treatment agent as in Production Example 1 was applied so that the adhesion amount became 0.15% by mass, crimping was applied by a crimper, and cutting was performed to produce monofilament fibers Polypropylene fiber with a fineness of about 1.24 dtex and a fiber length of 38 mm (hereinafter also referred to as ordinary PP fiber 3 (white)).

(Example 1) The ordinary PP fiber 1 (black) obtained in Manufacturing Example 2 was sequentially put into the cotton blending step, carding step, drawing step, and roving step to obtain a roving of 50 grains/12 yd. Next, using 2 strands of roving made of ordinary PP fiber 1 (black) 100% by mass, using a ring spinning machine equipped with a compact spinning system, a draft of 40 times is given, and the roving is carried out along the traveling direction of the roving by air. After the fibers are gathered by suction, the yarn is twisted with a twist coefficient of 3.6 to produce a textile yarn with an English cotton count of 40 s (siro compact yarn). Specifically, as shown in FIG. 1, two rovings 1a, 1b made of ordinary PP fiber 1 (black) 100% by mass are supplied in parallel to the rear roller 103, middle The drafting area composed of roller 104, apron 105 and front roller 106 is drawn side by side while supplying to the twisting area, using a converging device composed of air suction part 107, breathable apron 108, rotating roller 109 and auxiliary roller 110 , using air to suck the two drafted rovings (fiber bundles) 2a, 2b just supplied to the twisting area along the traveling direction of the roving to make the fibers gather, and then pass through the yarn guide hook 111, the traveler 112 and the ring 113. Twisted yarn to obtain a textile yarn (siro compact yarn) 10 formed by doubling and twisting two fiber bundles.

Using the textile yarn obtained above, a flat knitting fabric with a weight per unit area of about 120 g/m ² was woven on a flat knitting machine with knitting needles 24 .

(Example 2) The ordinary PP fiber 2 (white) obtained in Production Example 3 was put into the cotton blending step, the carding step, the drawing step, and the roving step in order to obtain a 50 grain/12 yd roving. In addition to using 2 strands of roving made of 100% by mass of ordinary PP fiber 4 (white), in the same manner as in Example 1, a woven fabric formed by doubling and twisting two strands of fiber bundles was obtained. line (siro tight line). Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Example 3) The hydrophilized PP fiber 1 (black) obtained in Production Example 1 was put into the cotton blending step, the carding step, the drawing step, and the roving step in sequence to obtain a roving of 50 grains/12 yd. In addition to using 100 mass% of the hydrophilized PP fiber 1 (black) roving obtained by 2 strands, in the same manner as in Example 1, a roving formed by doubling and twisting two strands of fiber bundles was obtained. Textile thread (siro compact thread). Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Example 4) 8 parts by mass of hydrophilized PP fiber 1 (black) obtained in Production Example 1 and 92 parts by mass of ordinary PP fiber 2 (white) obtained in Production Example 3 were put into the beating step and the carding step in sequence , drawing step, and roving step to obtain 50 grains/12 yd of roving. A roving made of 8% by mass of hydrophilized PP fiber 1 (black) and 92% by mass of ordinary PP fiber 2 (white) obtained by using two strands was obtained in the same manner as in Example 1. Textile thread (siro compact thread) made of fiber bundles by doubling and twisting. Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² . The obtained fabric contained 8% by mass of the polypropylene-based fiber B, and the average fineness of the polypropylene-based fiber B and other polypropylene-based fibers was 1.34 dtex.

(Example 5) 8 parts by mass of hydrophilized PP fiber 1 (black) obtained in Production Example 1, 46 parts by mass of hydrophilized PP fiber 2 (white) obtained in Production Example 4, and ordinary 46 parts by mass of PP fiber 3 (white) were put into the beating step, the carding step, the drawing step, and the roving step in sequence to obtain a roving of 50 grains/12 yd. A roving composed of hydrophilized PP fiber 1 (black) 8% by mass, hydrophilized PP fiber 2 (white) 46% by mass, and ordinary PP fiber 3 (white) 46% by mass obtained by using two strands was used. In the same manner as in Example 1, a textile yarn (siro compacted yarn) formed by doubling and twisting two fiber bundles was obtained. Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² . The obtained fabric contained 54% by mass of the polypropylene-based fiber B, and the average fineness of the polypropylene-based fiber B and other polypropylene-based fibers was 1.59 dtex.

(Comparative Example 1) The common PP fiber 2 (white) obtained in Production Example 3 was sequentially put into the cotton blending step, carding step, drawing frame step, and roving step to obtain a 90 grain/12 yd roving. Using a 100% roving made of ordinary PP fiber 2 (white) obtained by 1 strand, using a ring spinning machine, giving a draft of 36 times, twisting with a twist coefficient of 3.4, and producing an English cotton yarn count of 40s Textile thread (ring thread). Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Comparative Example 2) The common PP fiber 2 (white) obtained in Production Example 3 was put into the cotton blending step, carding step, drawing frame step, and roving step in sequence to obtain a 180 grain/6yd roving. A roving made of 100% by mass of ordinary PP fiber 2 (white) obtained from one strand was spun on a VORTEX worsted spinning machine to produce a spinning thread (MVS thread) with an English cotton count of 40s. Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Comparative Example 3) Put 25 parts by mass of hydrophilized PP fiber 1 (black) obtained in Production Example 1 and 75 parts by mass of ordinary PP fiber 2 (white) obtained in Production Example 3 into the beating step and carding step in sequence , drawing step, and roving step to obtain 50 grains/12 yd of roving. A roving composed of 25% by mass of hydrophilized PP fiber 1 (black) and 75% by mass of ordinary PP fiber 2 (white) obtained by using 2 strands, was given a draft of 40 times by using a ring spinning machine, and the twist coefficient was 3.4 Twisted yarn is used to produce textile yarn (siro yarn) with British cotton count 40s. Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Comparative Example 4) Commercially available ordinary polyethylene terephthalate fibers (single fiber fineness 1.3 dtex, fiber length 38 mm, hereinafter also referred to as "RPET fiber 1") are sequentially put into the cotton blending step , carding step, drawing step, roving step to obtain 100 grains/12 yd of roving. Using a roving made of 100% by mass RPET fiber 1 obtained from one strand, the ring spinning machine was used to give a draft of 40 times, and twist the yarn with a twist coefficient of 3.6 to produce a textile yarn with an English cotton yarn count of 40s (Ring Spinning Wire). Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Comparative Example 5) Commercially available ordinary polyethylene terephthalate fibers (single fiber fineness 0.9 dtex, fiber length 38 mm, hereinafter also referred to as "RPET fiber 2") were sequentially put into the cotton blending step , carding step, drawing step, roving step to obtain 100 grains/12 yd of roving. A spun yarn (siro compacted yarn) was obtained in the same manner as in Example 1 except that the obtained roving consisting of 100% by mass of the RPET fiber 2 obtained by two strands was used. Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

(Comparative Example 6) RPET fiber 1 (single fiber fineness 1.3 dtex, fiber length 38 mm) was sequentially put into the cotton blending step, carding step, drawing step, and slubbing step to obtain 50 grains/12 yd roving. A spun yarn (siro compacted yarn) was obtained in the same manner as in Example 1 except for using two obtained rovings composed of 100% by mass of the RPET fiber 1 . Using the obtained spun yarn, knit in the same manner as in Example 1 to form a plain knitted fabric with a weight per unit area of about 120 g/m ² .

Using the knitted fabrics of Examples 1 to 5 and Comparative Examples 1 to 6, the pilling test was performed as described above, and the results are shown in Tables 3 and 4 below. Also shown in Table 3 and Table 4 below are the results of monofilament fineness and moisture content of the fiber, British cotton yarn count of the textile thread, twist coefficient, fine wool number, apparent density and porosity. The following Tables 3 and 4 also show the results of the productivity of the weaving process and the weaving performance of the fabric.

[table 3]

[Table 4]

According to the results in Table 3 and Table 4 above, it can be seen that the pilling resistance of the fabrics using the spun yarn A or the spun yarn B of the examples is grade 3 or higher, and has pilling resistance. On the other hand, the pilling resistance of the fabrics using the spun yarns of Comparative Examples 1, 3-6 did not reach Grade 3, and the pilling resistance was poor. The fabric using the textile yarn (MVS yarn) of Comparative Example 2 had a pilling resistance of grade 4 or higher, which was good in pilling resistance, but the productivity of the textile yarn was poor. The productivity of the weaving step of the weaving line B is particularly good, with an average of 4 or more. According to the comparison between Examples 1-4 and Example 5, it can be seen that if the twist angle is greater than 27°, the pilling resistance is better.

(Example 6) As the surface layer yarn and the middle layer yarn, the spun yarn B (siro compacted yarn) produced in the same manner as in Example 4 was used. As the inner layer yarn, it is produced in the following way: ordinary PP fiber (single fiber fineness 1.3 dtex, fiber length 38 mm) is put into the blending cotton step, carding step, drawing step, and slubbing step in sequence, To obtain a roving of 120 grains/12 yd, use 1 share of the roving made of ordinary PP fiber 2 (white) 100% by mass, use a ring spinning machine, give a draft of 14.4 times, and perform it with a twist coefficient of 3.2 Textile thread (ring-spun thread) of English cotton count 12s obtained by twisting. According to the knitting structure diagram shown in Figure 5 and the conditions shown in Table 5, using a single-jersey loom for inner wool with 30-inch 18G knitting needles, the flat stitch loops on the surface are formed by the surface yarn and the middle yarn, and on the back, the The yarn of the inner layer is inserted into the yarn of the outer layer by jumping 2 stitches to form pile loops, which are interlaced and woven to form a double-layer structure fabric (weight per unit area: 271 g/m ² ). The inner layer yarn (pile) of the obtained fabric is subjected to final raising processing by using a card clothing raising machine. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter. The surface layer of the obtained fabric is plain stitch, and the inner layer is napped.

(Example 7) As the surface layer yarn and the middle layer yarn, the spun yarn B (siro compacted yarn) produced in the same manner as in Example 5 was used. As the inner layer yarn, an English cotton count 12s spinning thread (ring-spun thread) produced in the same manner as in Example 6 was used. According to the knitting structure diagram shown in Figure 5 and the conditions shown in Table 5, using a single jersey loom for the inner wool with 30 inches of 11G knitting needles, the flat stitch stitches on the surface are formed by the surface yarn and the middle yarn. The yarn of the inner layer is inserted into the yarn of the outer layer by skipping 2 stitches to form pile loops, and then weaves interlacedly to form a double-layer structure fabric (weight per unit area: 339 g/m ² ). The inner layer yarn (pile) of the obtained fabric is subjected to final raising processing by using a card clothing raising machine. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter. The surface layer of the obtained fabric is plain stitch, and the inner layer is napped.

(Example 8) As the surface layer yarn and the middle layer yarn, the spun yarn B (siro compacted yarn) produced in the same manner as in Example 3 was used. As the inner layer yarn, it is produced in the following way: ordinary PP fiber (single fiber fineness 1.9 dtex, fiber length 38 mm) is put into the cotton blending step, carding step, drawing step, and slubbing step in sequence, and Obtain 120 grains/12 yd roving, use 1 strand of roving made of ordinary PP fiber 100% by mass, use a ring spinning machine, give 28.8 times the draft, and twist the yarn with a twist coefficient of 3.4. Textile thread (ring spun thread) with British cotton count 24s. According to the knitting structure diagram shown in Figure 5 and the conditions shown in Table 5, using a single jersey loom for the inner wool with 30 inches of 11G knitting needles, the flat stitch stitches on the surface are formed by the surface yarn and the middle yarn. The inner layer yarn is inserted into the outer layer yarn by 2 stitches to form pile loops, and interlaced weaving is performed to form a double-layer structure fabric (weight per unit area: 296 g/m ² ). The inner layer yarn (pile) of the obtained fabric is subjected to final raising processing by using a card clothing raising machine. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter. The surface layer of the obtained fabric is plain stitch, and the inner layer is napped.

(Comparative Example 7) As the surface layer yarn and the middle layer yarn, a spun yarn (air worsted yarn) made of cotton and having an English cotton count of 23 s was used. As the inner layer yarn, a spun yarn (air-worsted yarn) made of cotton and having an English cotton count of 16s was used. According to the knitting structure chart shown in Figure 5 and the conditions shown in Table 5, using a single jersey loom for the inner wool with 30 inches of 16G knitting needles, the flat stitch loop on the surface is formed by the surface yarn and the middle yarn, and on the back, the The yarn of the inner layer is inserted into the yarn of the outer layer by skipping 2 stitches to form pile loops, which are interlaced to form a double-layer structure fabric (weight per unit area: 330 g/m ² ). The inner layer yarn (pile) of the obtained fabric is subjected to final raising processing by using a card clothing raising machine. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter. The surface layer of the obtained fabric is plain stitch, and the inner layer is napped.

(Comparative Example 8) As the surface layer yarn and the middle layer yarn, a spun yarn (air worsted yarn) made of cotton and having an English cotton count of 18s was used. As the inner layer yarn, a spun yarn (ring-spun yarn) with an English cotton count of 6 s composed of 10% by mass of polyester and 90% by mass of cotton was used. According to the knitting structure diagram shown in Figure 5 and the conditions shown in Table 5, using a single-jersey loom for inner wool with 30-inch 11G knitting needles, the flat stitch loops on the surface are formed by the surface yarn and the middle yarn. The yarn of the inner layer is inserted into the yarn of the outer layer by skipping 2 stitches to form pile loops, which are interlaced to form a double-layer structure fabric (weight per unit area: 330 g/m ² ). The inner layer yarn (pile) of the obtained fabric is subjected to final raising processing by using a card clothing raising machine. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter. The surface layer of the obtained fabric is plain stitch, and the inner layer is napped.

The above-mentioned pilling test was performed on the surface layers of the fabrics of Examples 6 to 8, and the results are shown in Table 5 below. Also, the heat retention and washing and drying properties of the fabrics of Examples 6 to 8 and Comparative Examples 7 to 8 were measured as described above, and the results are shown in Table 5 below.

[table 5]

According to the above Table 5, it can be seen that the anti-pilling properties of the fabrics of Examples 6-8 are good. In addition, the fabrics of Examples 6 to 8, in which the surface layer is composed of the hydrophilized polypropylene fiber B with a moisture content of 0.15% by mass or more, and the back layer is composed of hydrophobic polypropylene fiber, are not only excellent in heat retention, but also washable. Good drying properties.

(Example 9) Polyester multifilament (111 dtex, 144 filaments per filament, 0.77 dtex per filament) was used as the yarn for the surface layer, and textile yarn B produced in the same manner as in Example 3 was used. As the yarn for the inner layer, according to the weaving structure diagram shown in Figure 6, use a double-sided loom with 34 inches of 24G knitting needles to weave to form a double-sided fabric with a plain stitch on the surface and a honeycomb structure on the back (the weight per unit area is 179 g /m ² ). Fiber mixing ratio: 43% by mass of polyester fiber, 57% by mass of polypropylene-based fiber with a moisture content of 0.3% by mass. After scouring the obtained fabric, use cationic dye and polyester water-absorbing agent (manufactured by Nichika Chemical Co., Ltd., trade name NICEPOLE PR-99) to perform dyeing and water-absorbing processing at 125°C for 40 minutes in the same bath, and then , for final water absorption. The moisture content of the hydrophilized hydrophobic fiber (polyester fiber) is 0.7% by mass, and the degree of hydrophilization (difference between the moisture content of the hydrophilized hydrophobic fiber and the conventional moisture content of the hydrophobic fiber) is 0.3% by mass.

(Comparative Example 9) A ring-spun yarn made of 100% by mass of ordinary PP fiber 2 (white) (hereinafter also referred to as PP ring-spun yarn) produced in the same manner as in Comparative Example 1 was used as the yarn for the back layer, except Otherwise, a double-sided fabric (weight per unit area: 167 g/m ² ) was woven by the same method as in Example 9. Fiber mixing rate: 43% by mass of polyester fiber, 57% by mass of polypropylene fiber with a moisture content of 0.1% by mass. The obtained fabric was processed by the same method as in Example 9. The moisture content of the hydrophilized hydrophobic fiber (polyester fiber) is 0.7% by mass, and the degree of hydrophilization (difference between the moisture content of the hydrophilized hydrophobic fiber and the conventional moisture content of the hydrophobic fiber) is 0.3% by mass.

The inner layer of the fabric of Example 9 was subjected to the above-mentioned pilling test, and the results are shown in Table 6 below. Water absorption and quick-drying evaluation 1 was performed on the fabrics of Example 9 and Comparative Example 9, and the evaluation results (evapotranspiration rate) are shown in Table 6 below. The fabrics of Example 9 and Comparative Example 9 were subjected to water absorption and quick-drying evaluation 2 at the initial stage and after 10 washes, and the evaluation results are shown in Table 6 below. The basis weight and thickness of the fabrics are also reported in Table 6 below. Water absorption and quick-drying evaluation 3 was performed on the fabrics of Example 9 and Comparative Example 9, and the evaluation results are shown in Table 6.

[Table 6]

From the results in Table 6 above, it can be seen that the fabric of Example 9 has good pilling resistance. Also, the fabric of Example 9 had high transpiration properties. Example 9 is especially excellent in the evapotranspiration rate in the evapotranspiration (II) test. It is considered that the reason for the excellent transpiration of the fabric of Example 9 is that the water absorption rate of the inner layer (skin surface) in the MMT test is relatively fast, so the water is transferred smoothly and evaporated from the surface layer. On the other hand, the moisture content of the polypropylene fibers in Comparative Example 9 was 0.1% by mass, so the wettability was significantly low and the evaporation rate was low. Also, in the evaporability (I) test, the durability of water absorption and quick-drying of the fabric of Example 9 at the initial stage (unwashed) and after 10 washes was confirmed. As a result, the initial evapotranspiration rate was the same as the evapotranspiration rate after 10 washes, and it was confirmed that it had washing durability.

(Example 10) The textile yarn B obtained in the same manner as in Example 3 (hereinafter also referred to as "PP40") and polyester multifilament (33 dtex, the number of single filament fibers is 24, hereinafter also referred to as "PP40") was used. 30d/24F") as the yarn for the surface layer and the inner layer, using polyester monofilament (33.3 dtex, hereinafter also referred to as "30d/1F") as the binding thread, according to the weaving diagram shown in Figure 7A and Figure 7B (Weaving method diagram) and the conditions shown in Table 7 below, use a double-sided loom with 34 inches of 18G knitting needles to weave a corrugated fabric with a plain stitch on the surface and a honeycomb structure on the back (the weight per unit area is 281 g/ m ² ). Fiber mixing ratio: hydrophilized PP fiber 1 (black) 69.8% by mass, polyester fiber 30.2% by mass. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter.

(Example 11) The textile yarn B obtained in the same manner as in Example 4 (hereinafter also referred to as "PP40 (light gray pattern)") and polyurethane fiber yarn (low temperature polyurethane Ester elastic fiber, "MOBILON MTR22-R" manufactured by Nisshinbo Textile Co., Ltd., 22 dtex, hereinafter also referred to as "Pu20d") and yarns are used as the yarn for the surface layer and the back layer, and polyester monofilament (30d /1F) As a binding thread, according to the knitting structure diagram (knitting method diagram) shown in Figure 8A and Figure 8B and the conditions shown in the following Table 8, using a double-sided loom with 34-inch 24G knitting needles, the knitting surface is Plain knit, corrugated fabric with mesh structure on the back (weight per unit area: 387 g/m ² ). Fiber mixing rate: hydrophilized PP fiber (black) 6.2% by mass, normal PP fiber 71.3% by mass, polyester fiber 18.7% by mass, polyurethane fiber 3.8% by mass. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter.

(Comparative Example 10) In addition to using combed yarn (count 40, hereinafter also referred to as "CM40") and polyester multifilament (30d/24F) as the yarn for the surface layer and the back layer, by In the same manner as in Example 10, a corrugated fabric with plain stitch on the surface and honeycomb structure on the back (weight per unit area: 261 g/m ² ) was formed. The specific knitting conditions are shown in Table 9 below. Fiber mixing rate: 67.3% by mass of cotton fiber and 32.7% by mass of polyester fiber. After soaping the obtained fabric, final setting was performed once at 130° C. for 90 seconds using a tenter.

(Comparative Example 11) Combed yarn (CM40) and polyurethane fiber yarn (Pu20d) doubling were used as the yarn for the surface layer. The ring-spun yarn (hereinafter also referred to as "PP40/R") and polyurethane fiber yarn (Pu20d) composed of 100% by mass of ordinary PP fiber 2 (white) is used as the yarn for the inner layer Except for the thread, a corrugated fabric (weight per unit area: 348 g/m ² ) was formed by knitting in the same manner as in Example 11, with a plain stitch on the surface and a mesh structure on the back. The specific knitting conditions are shown in Table 10 below. Fiber mixing rate: 32.6% by mass of cotton, 44.9% by mass of ordinary PP fiber 2 (white), 18.7% by mass of polyester fiber, and 3.8% by mass of polyurethane fiber. After soaping the obtained fabric, final setting was performed twice at 130° C. for 90 seconds each using a tenter.

(Comparative Example 12) A combed yarn (count 30, hereinafter also referred to as "CM30") was used as the yarn for the surface layer and the back layer, and polyester multifilament (83 dtex, 48 filaments per filament, below Also denoted as "75d/48F") as a binding thread, according to the knitting structure diagram (knitting method diagram) shown in Figure 9 and the conditions shown in the following Table 11, use a double-sided loom with 34 inches 24G knitting needles to knit Form corrugated fabric (weight per unit area 285 g/m ² ). Fiber mixing rate: 76% by mass of cotton fiber and 24% by mass of polyester fiber. After soaping the obtained fabric, final setting was performed at 130° C. for 90 seconds using a tenter.

[Table 7]

[Table 8]

[Table 9]

[Table 10]

[Table 11]

The above-mentioned pilling test was performed on the surface layer and the back layer of the fabrics of Examples 10 and 11 and Comparative Examples 10 to 12, and the results are shown in Table 12 below. The thickness, overall density, heat retention rate, washing and drying property, water absorption and air permeability of the fabrics of Examples 10, 11 and Comparative Examples 10 to 12 were measured as described above, and the results are shown in Table 12 below. In Table 12 below, the number of courses and the number of wales are also shown together.

[Table 12]

According to the results in Table 12 above, it can be seen that the fabrics of Examples 10 and 11 have good pilling resistance. In addition, the fabrics of Examples 10 and 11 not only have high heat retention, but also have good lightness and washing and drying properties.

Normally, if the yarn feeding ratio of the binding thread is increased (the loop length of the binding thread (cm/100 needles) ÷ the loop length of the surface layer yarn (cm/100 needles)), the thickness of the fabric increases, but the same as in Example 10 , 11 and Comparative Examples 10 to 11, although Comparative Example 12 using multifilament as the binding thread has the highest yarn feeding ratio, the thickness is the smallest. Therefore, the overall density is 0.248 g/cm ³ , and the amount of monofilament used is more than twice that of light weight. Furthermore, when the polyurethane fiber yarn is inserted in the surface layer and the back layer, loops overlap, and the lightness is poor, but on the other hand, the heat retention property is improved.

The fabrics of Example 10 and Comparative Example 10 are the same fabric with plain stitch on the surface and honeycomb structure on the back. The fabric without polyurethane has good air permeability, so the washing and drying properties are better, but it is equipped with double layers The washing and drying property of Example 10 of the hydrophilized polypropylene fiber is significantly improved, and the drying rate after 90 minutes is twice that of Comparative Example 10.

1a, 1b‧‧‧roving 2a, 2b‧‧‧Drawn roving (fiber bundle) 10‧‧‧Textile thread 101‧‧‧Yam guide rod 102‧‧‧Horn ring 103‧‧‧Rear roller 104‧‧‧Medium Roller 105‧‧‧Leather 106‧‧‧Front roller 107‧‧‧Air suction part 108‧‧‧breathable apron 109‧‧‧rotating roller 110‧‧‧Auxiliary roller 111‧‧‧Yam guide hook 112‧‧‧Traveler 113‧‧‧ring 201‧‧‧Extruder 202‧‧‧Raw material supply port 203‧‧‧Resin melting part 204‧‧‧mixing and dispersing department 205‧‧‧Decompression pipeline 206‧‧‧Extrusion Department 207‧‧‧Extraction Department

Fig. 1 is a partial perspective view of an example of a ring spinning machine used in an embodiment of the present invention. Fig. 2 is a schematic explanatory diagram of an example of an extruder used in an embodiment of the present invention. Fig. 3 is a side photograph of a spun yarn illustrating the lay angle of the spun yarn in one embodiment of the present invention. Fig. 4 is a side view of a textile thread illustrating the diameter of the textile thread in one embodiment of the present invention. Fig. 5 is the knitting structure chart that adopts in embodiment 6～8 and comparative example 7～8. Fig. 6 is a diagram of the weaving structure adopted in embodiment 9. Fig. 7A is a partial view of a weaving structure diagram used in Example 10. Fig. 7B is a partial view of the weaving structure chart adopted in Example 10. Fig. 8A is a partial view of a weaving structure diagram used in Example 11. Fig. 8B is a partial diagram of the weaving structure chart adopted in the eleventh embodiment. FIG. 9 is a diagram of a weaving structure used in Comparative Example 12. FIG.

1a, 1b: Roving

2a, 2b: Drawn roving (fiber bundle)

10: textile thread

101: guide rod

102: horn ring

103: Rear roller

104: middle roller

105: apron

106: front roller

107: Air suction part

108: breathable apron

109:Rotary roller

110: auxiliary roller

111: guide hook

112: Traveler

113: ring

Claims (13)

A textile thread comprising more than 50% by mass of polypropylene-based fibers with a moisture content of less than 0.15% by mass measured according to JIS L 1015 (2010), characterized in that: according to JIS L 1095 (2010) 9.22.2 B The number of fine hairs with a length of more than 3mm in each 10m of the above-mentioned textile thread measured by the method is 40/10m or less, the porosity of the above-mentioned textile thread is 40-65%, and the twist coefficient is 2.4-6.0. A textile thread comprising at least 5% by mass of polypropylene-based fibers, wherein the polypropylene-based fibers have a moisture content of at least 0.15% by mass as measured in accordance with JIS L 1015 (2010), and in accordance with JIS L 1095 (2010) ) 9.22.2 The number of fine hairs with a length of more than 3mm per 10m of the above-mentioned textile thread measured by B method is less than 40/10m, the porosity of the above-mentioned textile thread is 40-65%, and the twist coefficient is 2.4-6.0. The textile yarn according to claim 1 or 2, wherein the twist angle of the textile yarn is 23° or more. A textile thread comprising more than 50% by mass of polypropylene-based fibers with a moisture content of less than 0.15% by mass measured according to JIS L 1015 (2010), characterized in that: according to JIS L 1095 (2010) 9.22.2 B The number of fine hairs with a length of 3mm or more per 10m of the above-mentioned textile thread measured by the method is 40 or less per 10m, and the twist angle of the above-mentioned textile thread is 23° or more. A textile thread comprising more than 5% by mass of polypropylene-based fibers, wherein the moisture content of the polypropylene-based fibers measured in accordance with JIS L 1015 (2010) is 0.15% by mass or more, According to JIS L 1095 (2010) 9.22.2 B method, the number of fine hairs with a length of 3mm or more per 10m of the above-mentioned textile thread is 40 or less per 10m, and the twist angle of the above-mentioned textile thread is 23° or more. The textile yarn according to any one of claims 1, 2, 4, and 5, wherein the textile yarn is a twisted yarn composed of two fiber bundles. The textile thread according to claim 2 or 5, wherein the polypropylene-based fiber contains 0.025 to 0.25 parts by mass of a hydrophilic component relative to 100 parts by mass of the polypropylene component. The spun yarn according to claim 7, wherein the hydrophilic component contains a nonionic surfactant. A method for manufacturing a textile thread, which is a method for manufacturing the textile thread as described in claim 1 or 4, characterized in that: ring spinning includes the following steps: preparing at least one strand containing more than 50% by mass according to JIS Roving A of polypropylene-based fibers whose moisture content as measured in L 1015(2010) is less than 0.15% by mass; two rovings containing at least one roving A are supplied to the drafting zone for drafting, and one side is paralleled and the other is twisted Zone supply; and use air to suck the two strands of roving just supplied to the twisting zone along the traveling direction of the roving so that the fibers are gathered and then twisted. A method for manufacturing a textile thread, which is a method for manufacturing the textile thread as described in claim 2 or 5, characterized in that: ring spinning includes the following steps: preparing at least one strand of polypropylene containing more than 5% by mass Fiber-based roving B; two rovings containing at least one roving B are supplied to the drafting zone for drafting, and one side is doubling and the other is supplied to the twisting zone; and The two strands of roving immediately supplied to the twisting zone are sucked by air along the traveling direction of the roving to gather the fibers and twist them; the moisture content of the above-mentioned polypropylene-based fibers measured in accordance with JIS L 1015 (2010) is 0.15% by mass or more . A fabric comprising the textile thread according to any one of claims 1 to 8. The fabric according to claim 11, wherein the fabric includes a surface layer and an inner layer, and one or more layers selected from the group consisting of the surface layer and the inner layer include any one of claims 1 to 8. The textile thread. The fabric according to claim 11 or 12, wherein the fabric is a fabric for clothing consisting of a surface layer, a back layer, and a tie thread connecting them, and is selected from the group consisting of the surface layer and the back layer More than one layer comprises the textile thread according to any one of claims 1-8.

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