WO2012049870A1 - 多層構造編地 - Google Patents
多層構造編地 Download PDFInfo
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- WO2012049870A1 WO2012049870A1 PCT/JP2011/058310 JP2011058310W WO2012049870A1 WO 2012049870 A1 WO2012049870 A1 WO 2012049870A1 JP 2011058310 W JP2011058310 W JP 2011058310W WO 2012049870 A1 WO2012049870 A1 WO 2012049870A1
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- knitted fabric
- fibers
- long fibers
- cellulose
- yarn
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
- D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B9/00—Circular knitting machines with independently-movable needles
- D04B9/06—Circular knitting machines with independently-movable needles with needle cylinder and dial for ribbed goods
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
- D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/02—Cross-sectional features
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/02—Underwear
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2503/00—Domestic or personal
- D10B2503/06—Bed linen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
Definitions
- the present invention relates to a multilayered knitted fabric. More specifically, the present invention is excellent in hygroscopicity, excellent in comfort when worn, hardly feels stuffy when sweating due to exercise, etc., and even when sweating a large amount when sweating, it is sticky due to sweat
- the present invention relates to a multi-layered knitted fabric that is less likely to feel a feeling of being wet, a feeling of cooling, and a good touch and appearance, and a textile product using the knitted fabric, such as innerwear, sportswear, bedding, and the like.
- Cellulose-based materials such as cotton and cupra are excellent in hygroscopicity and water absorption, and when used as clothing, they are generally very comfortable when not sweating (insensitive vaporization) or when sweating a small amount.
- the amount of perspiration exceeds about 100 g / m 2 during summer or exercise, the cellulosic material tends to hold the perspired sweat, so that a so-called stickiness or a feeling of cooling after exercise is likely to occur.
- the amount of perspiration exceeds about 200 g / m 2 , such a sticky feeling or a feeling of coldness is serious and is felt very uncomfortable by the wearer.
- Patent Document 3 discloses a knitted fabric in which irregularities are provided on the knitted fabric back (skin) side, polyester filament fibers are disposed in the convex portions, and rayon filament fibers are disposed in the concave portions. Since the convex portion is a hydrophobic fiber, the ability to absorb sweat is not sufficient as in the knitted fabric described in Patent Document 1 or Patent Document 2.
- Patent Document 4 discloses a knitted fabric containing hydrophilic fibers on the knitted fabric back (skin) side.
- a knitted fabric made of hydrophilic fibers and hydrophobic fibers is used, and the course density on the knitted fabric back (skin) side is made larger than that on the knitted fabric front side, and the knitted fabric back (skin) side
- a knitted fabric having a smooth feeling on the skin by imparting irregularities to the skin is disclosed.
- the knitted fabric has a high density and a very high mixing ratio of hydrophilic fibers of 25 to 75%. Therefore, the water is retained on the skin side, and even if there are irregularities, the feeling of stickiness is large, and the skin DRY property as a garment application. Is insufficient.
- JP 2001-81652 A Japanese Patent Laid-Open No. 10-25643 Japanese Patent Laid-Open No. 10-131000 JP 2004-190151 A
- the problem to be solved by the present invention is that there is no stuffiness at the time of insensitive steaming or a small amount of sweating, and even when sweating a lot due to exercise etc., it is difficult to feel sticky feeling due to sweat, wet feeling, cold feeling
- An object of the present invention is to provide a knitted fabric having a good texture and excellent wear resistance.
- the present inventors can solve the above problems by arranging a specific amount of cellulosic long fibers in the vicinity of the back side (skin surface) surface of the knitted fabric. As a result, the present invention has been completed. That is, the present invention is as follows.
- X> Y where X is the cellulose long fiber mixture ratio of the entire knitted fabric, and Y is the appearance ratio of cellulose long fibers in a region within a depth of 0.13 mm of the knitted fabric.
- the knitted fabric according to any one of [1] to [3].
- a textile product comprising the knitted fabric according to any one of [1] to [6], wherein the surface A is positioned on the skin surface when worn.
- the knitted fabric of the present invention is comfortable without stuffiness during insensitive steaming or a small amount of sweating, and even when sweating a lot due to exercise etc., it is hard to feel a sticky feeling, wet feeling, cold feeling due to sweat, and the texture Since it is good and excellent in abrasion, it can be suitably used as a knitted fabric for innerwear, sportswear, and bedding.
- the knitted fabric of the present invention is a knitted fabric containing at least 5 to 25% by weight of cellulosic long fibers and 75 to 95% by weight of synthetic fibers. That is, in the knitted fabric of the present invention, the cellulosic long fibers are contained in an amount of 5 to 25% by weight, preferably 5 to 20% by weight of the entire knitted fabric.
- the cellulose-based long fibers include regenerated cellulose long fibers such as rayon, cupra, and acetate, and natural cellulose long fibers such as silk, and are not particularly limited.
- cellulose short fibers such as cotton and regenerated cellulose short fibers
- regenerated cellulose long fibers are preferable, and among the regenerated cellulose long fibers, rayon long fibers and cupra long fibers are more preferable because they have a higher moisture content and a higher moisture absorption effect than the raw material cotton.
- the cupra long fiber is particularly preferable because it has a smoother surface shape and a finer fineness than the rayon long fiber, and is very soft when used in a knitted fabric and has a good texture.
- the fineness of the cellulosic long fibers is not particularly limited, but is preferably about 22 to about 84 dtex, more preferably about 33 to about 56 dtex.
- the single yarn fineness of the cellulosic long fibers is not particularly limited, but is preferably about 0.5 to about 2 dtex from the viewpoint of touch and texture.
- cellulosic long fibers When cellulosic long fibers are included in the knitted fabric, it can be used by knitting with long fibers and short fibers of synthetic fibers such as polyester and polyamide. It is preferable from the viewpoint of sweat treatment that it is arranged on the knitted fabric as a composite yarn with a synthetic fiber such as a polyamide-based long fiber, particularly a synthetic fiber.
- a multifilament yarn having a fineness of the synthetic long fiber of about 22 to about 84 dtex and a single yarn fineness of about 0.5 to about 2 dtex is preferable so as not to impair the touch when compositing.
- the fineness ratio of the cellulose-based long fibers to the composite long fibers is preferably 1: 3 to 2: 1.
- the synthetic fiber is preferably an atypical cross section from the viewpoint of sweat treatment by diffusion when sweating, and the W-shaped cross section fiber is atypical and flat, satisfying both sweat treatment by capillarity and softness. Therefore, it is more preferable.
- Cellulose long fibers or composite yarns of cellulose long fibers and synthetic long fibers are knitted with other fibers and arranged on the knitted fabric.
- the knitting partner yarn is preferably a synthetic long fiber, particularly a polyester or polyamide long fiber, and a multifilament yarn having a fineness of about 16 to about 170 dtex and a single yarn fineness of about 0.5 to about 2 dtex is preferred.
- Polyurethane fibers may be appropriately knitted to impart stretch properties to the knitted fabric.
- the multifilament yarn used in the present invention includes matting agents such as titanium dioxide, stabilizers such as phosphoric acid, ultraviolet absorbers such as hydroxybenzophenone derivatives, crystallization nucleating agents such as talc, easy lubricants such as aerosil, hindered Antioxidants such as phenol derivatives, flame retardants, antistatic agents, pigments, fluorescent brighteners, infrared absorbers, antifoaming agents and the like may be contained.
- matting agents such as titanium dioxide, stabilizers such as phosphoric acid, ultraviolet absorbers such as hydroxybenzophenone derivatives, crystallization nucleating agents such as talc, easy lubricants such as aerosil, hindered Antioxidants such as phenol derivatives, flame retardants, antistatic agents, pigments, fluorescent brighteners, infrared absorbers, antifoaming agents and the like may be contained.
- the material used for the knitted fabric of the present invention may have crimps, and the crimp elongation rate is preferably 0 to 150% from the viewpoint of touch.
- the crimp elongation of the false twisted yarn is measured under the following conditions. The upper end of the crimped yarn is fixed, a load of 1.77 ⁇ 10 ⁇ 3 cN / dt is applied to the lower end, and the length (A) after 30 seconds is measured.
- the knitted fabric of the present invention is a knitted fabric containing at least 5 to 25% by weight of cellulosic long fibers and 75 to 95% by weight of synthetic fibers. That is, the knitted fabric of the present invention may contain fibers other than the cellulosic long fibers and synthetic fibers. However, the synthetic fiber is contained in an amount of 75 to 95% by weight, preferably 80 to 95% by weight, based on the entire knitted fabric.
- the area of the appearance part of cellulosic long fibers in the region having a depth of 0.13 mm or less is 0.2 to 15% with respect to the total area of the knitted fabric, preferably 0.8. It is characterized by being 5 to 10%.
- the region having a depth of 0.13 mm or less means the outermost layer on the surface A, and this layer directly touches the sweat of the skin and absorbs the sweat.
- the mixing ratio of cellulose long fibers in the entire knitted fabric is X (% by weight), and the appearance ratio of cellulose long fibers in the outermost layer is Y (area%).
- X> Y is preferable, (2/3) ⁇ X> Y is more preferable, and (1/2) ⁇ X> Y is particularly preferable.
- the fact that the cellulose long fiber appearance rate on the surface of the outermost layer is lower than the cellulose long fiber mixing ratio in the entire knitted fabric is expressed as the cellulose long fibers being disposed in an inclined manner.
- the specific gravity of long cellulose fibers is about 1.5, and the specific gravity of synthetic fibers is usually smaller than that (generally about 1.4 for polyester fibers, about 1.2 for polyurethane fibers, about 1 for polyamide fibers). .1), the relationship between the appearance amount ratio Yw (% by weight) of cellulose long fibers in the outermost layer and X is preferably X> Yw, and (2/3) ⁇ X> Yw is more preferable, and (1/2) ⁇ X> Yw is more preferable.
- Yw Y ⁇ D 1 / ⁇ X ⁇ D 1 + (100 ⁇ X) ⁇ D 2 ⁇ (2) ⁇
- D 1 is the specific gravity of the long cellulose fibers
- D 2 is the average specific gravity of the fibers other than the long cellulose fibers.
- the knitted fabric of the present invention is excellent in the touch because a small amount of cellulosic long fibers are arranged on the surface A that touches the skin. Moreover, since it is excellent in hygroscopicity, a feeling of stuffiness can also be suppressed.
- a knitted structure in which irregularities are provided on the surface A is preferable.
- the difference in height between the convex portion and the concave portion is preferably about 0.13 to about 0.50 mm. Further, the convex portions are evenly distributed on the surface A. Specifically, when measuring an arbitrary 1 cm ⁇ 1 cm range in the sample, there are ten or more convex portions in the above range in any range.
- the convex area is about 10 to 70% of the surface area.
- a method for imparting irregularities there are a method of devising a knitting structure and incorporating a tack structure or a needle punched structure, a method of overlapping yarns at convex portions, a method of changing the yarn fineness, and the like.
- the surface of the knitted fabric By making the surface of the knitted fabric uneven, the feeling of contact cold / warmness is reduced. Therefore, when this surface is used as a skin surface, stickiness when sweating can be further reduced. If the difference between the height of the convex part and the concave part is less than about 0.13 mm, the contact area with the skin is not different from that with no irregularities, so it cannot be said that there are irregularities, and the effect of further reducing the sticky feeling of the knitted fabric is I can't expect it. If the difference in height between the convex portion and the concave portion is about 0.13 mm or more, the contact area between the skin and the knitted fabric when the side having the uneven surface of the knitted fabric is worn as the skin surface is reduced, and the knitted fabric absorbs moisture.
- the effect of reducing the stickiness when sucked is great.
- the fabric becomes thick, and the unevenness of the unevenness increases, and the feeling of wearing such as stuffiness due to the air layer is impaired. This is not preferable.
- the difference in height between the convex portion and the concave portion exceeds 0.13 mm, there is a region that is not included in the above-described region having a depth from the surface of 0.13 mm or less.
- the surface A has a depth of 0.13 mm or less (hereinafter referred to as the outermost layer on the surface A) and a depth exceeding 0.13 mm (hereinafter referred to as the inner layer on the surface A). And can be divided into The occupation area of the knitted fabric convex portion in the outermost layer on the surface A is preferably 10 to 70% of the total area of the surface A.
- the difference in height between the convex part and the concave part is averaged by taking a cross-sectional photograph of the knitted fabric with an electron microscope or the like, measuring it at five locations.
- the difference between the convex portion and the concave portion is more preferably about 0.17 to about 0.45 mm.
- the knitted fabric of the present invention is characterized in that the contact cooling sensation when the surface A is given 200 g / m 2 moisture is about 180 to about 330 W / m 2 ⁇ ° C.
- the cool contact sensitive (hereinafter, also referred to as a contact sensation value.) Is preferably from about 180 ⁇ 280W / m 2 ⁇ °C , more preferably from about 180 to about 260W / m 2 ⁇ °C, more preferably about 180 to about 240 W / m 2 ⁇ ° C.
- Thermolab II manufactured by Kato Tech Co., Ltd. is used for measuring the contact cooling sensitivity. This apparatus measures the amount of heat transferred when a heated hot plate is placed on a sample. The specific measurement method is as follows.
- the sample used for the measurement was conditioned for 24 hours in an environment of 20 ° C. and 65% RH (relative humidity), then sampled to 8 cm ⁇ 8 cm, The maximum heat transfer amount at the moment when a hot plate heated to 30 ° C. in a 65 ° C. and 65% RH environment is measured.
- Moisture when 200 g / m 2 of moisture is applied is a condition that assumes the amount of sweat moisture that the fabric absorbs when exercised to sweat a lot.
- the water temperature in the spray bottle at this time is 20 ° C. If moisture remains in the knitted fabric, the thermal conductivity of water is high, so a large amount of heat is taken away from the hot plate, and the contact cooling sensitivity is increased.
- a sample having a large contact cooling sensation means that the sticky feeling is large, and if it exceeds about 330 W / m 2 ⁇ ° C., the sticky feeling is very large and is not preferable, whereas a sample having a temperature less than about 180 W / m 2 ⁇ ° C.
- the unevenness needs to be remarkably increased, which is not preferable from the viewpoint of touch.
- the conventional knitted fabric containing cellulose greatly exceeds about 330 W / m 2 ⁇ ° C., but in the present invention, the cellulose long fibers are inclinedly arranged in the knitted fabric, and the water absorption and diffusion ability of the cellulose long fibers is utilized. Even when a large amount of moisture is applied, the knitted fabric has improved stickiness.
- the thickness of the knitted fabric of the present invention is preferably about 0.5 to about 1.2 mm.
- the thickness of the knitted fabric is averaged by using a thickness measuring device manufactured by Peacock and contacting a measuring part of ⁇ 3.0 cm with the load of 5 g and measuring at three places.
- the thickness is less than about 0.5 mm, the sweat treatment property is poor and it is difficult to obtain a comfortable feeling.
- the thickness exceeds about 1.2 mm the fabric becomes stiff and impairs the touch.
- the thickness of the knitted fabric of the present invention is more preferably about 0.5 to about 1.0 mm.
- the knitted fabric Since the present invention absorbs sweat of skin quickly by absorbing and diffusing cellulose long fibers, the knitted fabric is thinner than 100% polyester compared to the knitted fabric aimed at reducing stickiness due to the difference in density and fineness of the front and back. Even so, the same level of effect can be exhibited.
- the surface B opposite to the surface A is preferably mainly composed of synthetic fibers.
- the area of the appearance part of the cellulosic long fibers on the surface B is preferably 5% or less, more preferably 1% or less, still more preferably 0.2% or less, based on the total area of the knitted fabric. It is preferable that it is smaller than the area ratio of the appearance part of the cellulosic long fiber in the area
- the surface B is composed only of synthetic fibers.
- the knitted fabric of the present invention may be warp knitted or weft knitted, and preferably has a layer structure of three or more layers having two layers on the front and back sides and an inner layer therebetween, but the boundary between the layers is unclear due to restrictions on the knitting structure. It does not matter if it is a knitted fabric that is functionally equivalent to the three layers.
- the knitting machine for producing the knitted fabric of the present invention a flat knitting machine, a double circular knitting machine, a tricot knitting machine, a Russell knitting machine or the like can be used, but a multilayer knitted fabric having three or more layers is produced.
- a double circular knitting machine is preferred.
- the knitting gauge of the knitting machine used is preferably about 10 to about 40 GG.
- As a knitted structure for producing the knitted fabric of the present invention in the case of a double circular knitted fabric, herringbone, blister, waffle, dimple mesh, etc. can be used, but it is not limited to this. A structure using tuck knitting is preferable.
- a desired effect can be obtained by arranging a cellulosic fiber in the middle of a sheet of 3 sheets to form an uneven structure.
- the number of loops in the course direction on the front and back of the knitted fabric of the present invention is not particularly limited as long as there is no problem in knitting.
- a small amount of cellulose long fibers are provided in the outermost layer of the surface A of the knitted fabric having a three-layer structure, and a larger amount of cellulose long fibers are provided in the inner layer of the surface A than in the outermost layer.
- An inclined arrangement structure in which the synthetic fiber is arranged on the surface B is effective. In this case, for example, by changing the number of yarns to be fed and the fineness of the yarn to control the supply amount of the yarn to be knitted and the cellulose continuous fiber, the cellulose continuous fiber can be inclined.
- the surface A of the two-layer structure knitted fabric is formed by plating knitting of cellulose long fibers or their composite yarns and synthetic fibers, and the cellulose long fibers are mainly arranged on the inner layer side of the knitted fabric surface A, thereby providing a clear three-layer A method that satisfies the configuration of the present invention even if it is not a structure is also preferably used. It is also possible to use a method in which cellulose long fibers are relatively arranged inside by using cellulose long fibers or their composite yarns and synthetic fibers on the surface A, changing the yarn fineness, and thickening the synthetic fibers. In this case, the fineness of the synthetic fiber on the surface A is preferably 1.5 times or more the fineness of the cellulose long fiber or composite yarn thereof.
- the basis weight of the knitted fabric of the present invention is not particularly limited, but is preferably about 50 to about 300 g / m 2 , more preferably about 80 to about 250 g / m 2 .
- a water absorption process on the knitted fabric of the present invention.
- the knitted fabric of the present invention by making the knitting density of the surface B larger than the knitting density of the surface A, a capillary phenomenon may be caused to move moisture from the surface A side to the surface B side. If such a knitted fabric surface A of the present invention having a moisture transfer function is worn as the skin surface of clothing, moisture will not remain on the skin surface even when a large amount of sweat is generated, and a feeling of stickiness and cooling when worn will be further increased. Can be reduced.
- Such a knitted fabric can be manufactured by a different gauge knitting machine having different gauges on the dial side and the cylinder side.
- the number of loops in the well direction of the knitted fabric surface B is preferably about 1.1 to about 4.5 times the number of loops in the well direction on the knitted fabric surface A side.
- the number of stitch loops per 2.54 cm (1 inch) width is measured with a densimeter, a linen tester or the like.
- the number of loops is the number of stitches of the knit loop confirmed on the front and back of the knitted fabric, and stitches such as tack loops and sinker loops are not included in the number of loops.
- the fineness of the single yarn on the surface B side is made smaller than the fineness of the single yarn on the surface A side, preferably the fineness of the single yarn on the surface B side is set to the surface A side. It is mentioned to make it 1/2 or less of the yarn fineness of the single yarn.
- the knitted fabric of the present invention can be used for textile products worn on the human body. At this time, if the knitted fabric of the present invention is used so that the surface B is located on the outside air side and the surface A is located on the skin side, the above-described effects are exhibited.
- the knitted fabric of the present invention is suitable for clothing such as sportswear and innerwear that require a sweat treatment function among textile products, but is not limited thereto, clothing such as outer and lining, sheets, etc. It can be applied to hygiene articles such as bedding and incontinence pants, has comfort due to moisture absorption performance, and can exhibit the effect of reducing the feeling of stickiness and cooling due to moisture.
- the knitted fabric obtained in the examples was evaluated by the following method.
- (1) Appearance area of cellulose long fibers on surface A (i) A knitted fabric sample was immersed in a dye solution containing 1% owf and 5 g / l of Na 2 SO 4 in a medium dark direct dye (such as Sumilight Blue). Heat at 30 ° C. and dye the cellulose long fiber part of the fabric. Set the sample after staining so that the density does not change from that before staining.
- the height at which the distribution appears evenly means the height at which the surface appears in any of the divided areas when a 1 cm ⁇ 1 cm area is divided into four 5 mm ⁇ 5 mm.
- the cellulose long fiber on the outermost layer surface is measured by the following method.
- the cellulose blend ratio X of the entire knitted fabric is the knitting rate of the cellulose long fibers of the knitted fabric, and is based on the weight of the yarn consumed during knitting of the knitted fabric or the weight of cellulose long fibers measured by decomposing the obtained knitted fabric.
- X (% by weight) (weight of cellulose long fiber in knitted fabric / weight of knitted fabric) ⁇ 100 (4)
- it is difficult to calculate based on the amount of yarn used it may be calculated from the moisture content of the knitted fabric.
- X Uncomfortable. ⁇ Stickness after running exercise> ⁇ : No sticky feeling. ⁇ : Feels slightly sticky. X: Feels sticky. ⁇ Cool feeling after running> ⁇ : A feeling of cold is not felt. ⁇ : Slightly feels cold. X: Feeling cold.
- Example 1 Using a double different gauge circular knitting machine with a dial side of 18GG and a cylinder side of 24GG, interlace blend of polyester round section processed yarn 84dtex / 72f, 33dtex / 24f cupra round section yarn and 56dtex / 72f polyester round section yarn A composite yarn (crimp elongation 7.4%) produced by post-false twisting and a yarn (total fineness 336 dtex) obtained by aligning four polyester round cross-section processed yarns 84 dtex / 72f (total fineness 336 dtex) are shown in FIG. The circle numbers in the figure indicate the knitting order), and the knitted fabric raw machine was obtained. This raw machine was scoured at 80 ° C.
- the appearance area ratio of the cellulose long fibers in the outermost layer of the surface A was 2.5% of the total area of the knitted fabric, and the cellulose long fibers were arranged in an inclined manner.
- the appearance area ratio of the long cellulose fibers on the surface B was 0%.
- the contact cooling sensation value at the time of applying moisture of 200 g / m 2 on the surface A is 195 W / m 2 ⁇ ° C., and the shirt test obtained from this knitted fabric is comfortable before exercise, and feels sticky and cool even after sweating. The result that there was no.
- Table 1 The results are shown in Table 1 below.
- Example 2 A composite yarn produced by using a 28-gauge double circular knitting machine and intertwisting interlaced polyester yarn 56dtex / 72f, 33dtex / 24f cupra round yarn and 56dtex / 72f polyester round yarn. 2 and the polyester round cross-section processed yarn 56dtex / 24f, the same yarn at the knitting structure in FIG. 2 (the circled numbers in the drawing indicate the knitting order, and the knitted portions (for example, the circled numbers 1 and 13) marked on the same line) When feeding the composite yarn and polyester round cross-section processed yarn 56 dtex / 24, plating is performed so that the composite yarn is arranged on the inner side of the knitted fabric.
- Example 2 In the same manner as in Example 1, a knitted fabric having a basis weight of 134 g / m 2 and a thickness of 0.69 mm was obtained. On the surface A side of the obtained knitted fabric, there was a convex portion due to yarn overlap, the appearance area ratio of the cellulose long fibers on the outermost layer of the surface A was 4.7%, and the cellulose long fibers were inclined. . The appearance area ratio of the long cellulose fibers on the surface B was 0%.
- the contact cold sensation value when applying moisture of 200 g / m 2 on the surface A is 220 W / m 2 ⁇ ° C., and the shirt test obtained from this knitted fabric is comfortable before exercise and feels sticky and cool even after sweating. There was nothing. The results are shown in Table 1 below.
- Example 3 Using a 28GG tricot knitting machine, the polyester round cross-section processed yarn 56dtex / 24f has a structure 10/23 on the front, and the polyester round cross-section processed yarn 56dtex / 24f and the cupra round cross-section yarn 56dtex / 30f have a structure 21/10 on the middle. These were alternately arranged, and the polyester W cross-section processed yarn 56dtex / 30f was arranged as a structure 10/12 on the back. The cupra round section yarn was mainly arranged in the intermediate layer of the knitted fabric. Processing was performed in the same manner as in Example 1 to obtain a knitted fabric having a basis weight of 138 g / m 2 and a thickness of 0.61 mm.
- the appearance area ratio of the cellulose long fibers on the outermost layer of the surface A was 9.3%, and the cellulose long fibers were arranged in an inclined manner.
- the appearance area ratio of the long cellulose fibers on the surface B was 0%.
- the contact cooling sensation value at the time of applying moisture 200 g / m 2 on the surface A was 255 W / m 2 ⁇ ° C., and in the wearing test of the shirt obtained from this knitted fabric, it was comfortable and there was no stickiness or cooling feeling. The results are shown in Table 1 below.
- Example 4 Composite yarn produced by using a 26-gauge double circular knitting machine and intertwisting interlaced polyester yarn 84dtex / 72f, 33dtex / 24f cupra round yarn and 56dtex / 72f polyester round yarn And the polyester round cross-section processed yarn 56dtex / 24f, the knitting structure in FIG. 3 (the circled numbers in the figure indicate the knitting order, and the knitted locations (for example, the circled numbers 1, 5, and 9) marked on the same line) When feeding the composite yarn and the polyester round section processed yarn 56 dtex / 24, plating is performed so that the composite yarn is arranged on the inner side of the knitted fabric.
- Knitting was performed in the same manner as in Example 1 to obtain a knitted fabric having a basis weight of 148 g / m 2 and a thickness of 0.68 mm.
- the unevenness on the surface A of the obtained knitted fabric was small, the appearance area ratio of the cellulose long fibers on the surface A was 4.2%, and the cellulose long fibers were inclined.
- the appearance area ratio of the long cellulose fibers on the surface B was 0%.
- the contact cold sensation value at the time of applying moisture of 200 g / m 2 on the surface A is 229 W / m 2 ⁇ ° C., and the shirt test obtained from this knitted fabric is comfortable before exercise, and feels sticky and cool even after sweating. There was nothing.
- Table 1 The results are shown in Table 1 below.
- Example 5 A knitted fabric similar to that of Example 2 was prepared except that 84 dtex / 30f of rayon was used instead of 33dtex / 24f of the cupra round section raw yarn of Example 2, and a knitted fabric having a basis weight of 147 g / m 2 and a thickness of 0.78 mm was prepared. Obtained. On the surface A side of the obtained knitted fabric, there was a convex portion due to yarn overlap, the appearance area ratio of the cellulose long fibers in the outermost layer of the surface A was 9.8%, and the cellulose long fibers were inclined. The appearance area ratio of the long cellulose fibers on the surface B was 5%.
- the contact cooling sensation value at the time of applying moisture of 200 g / m 2 on the surface A was 273 W / m 2 ⁇ ° C., and it was comfortable in the wearing test of the shirt obtained from this knitted fabric, and the stickiness and cooling feeling were small. .
- the results are shown in Table 1 below.
- Example 6 The composite yarn of Example 2 is changed to a 56 dtex / 30 f cupra round cross-section yarn, and the yarn is fed as shown in the knitting structure of FIG. 2.
- the other conditions are the same as in Example 2, and the basis weight is 127 g / m 2 .
- a knitted fabric having a thickness of 0.68 mm was obtained.
- On the surface A side of the obtained knitted fabric there was a convex portion due to yarn overlap, and the appearance area ratio of cellulose long fibers in the outermost layer of the surface A was 13.8%.
- the appearance area ratio of the long cellulose fibers on the surface B was 3%.
- the contact cooling sensation value at the time of application of moisture 200 g / m 2 on the surface A was 294 W / m 2 ⁇ ° C., and in the wearing test of the shirt obtained from this knitted fabric, the feeling of stickiness and cooling was small.
- the results are shown in Table 1 below.
- the appearance area ratio of cellulose long fibers on the surface B was 18%.
- the moisture content was 200 g / m 2
- the contact cooling sensation value was 355 W / m 2 ⁇ ° C., and in the wearing test of the shirt obtained from this knitted fabric, the feeling of stickiness and cooling was great.
- Table 1 The results are shown in Table 1 below.
- Example 2 A knitted fabric with a basis weight of 126 g / m 2 and a thickness of 0.66 mm was obtained in the same manner as in Example 2 except that all the yarns were polyester round cross-section processed yarn 84 dtex / 72f.
- the knitted fabric is 100% polyester, and the contact cooling sensation value at the time of applying moisture 200 g / m 2 is 348 W / m 2 ⁇ ° C., and the wearing test of the shirt obtained from this knitted fabric lacks comfort before and after exercise. Met.
- Table 1 The results are shown in Table 1 below.
- the knitted fabric according to the present invention is used, it is comfortable without stuffiness at the time of insensitive steaming, and fibers such as clothes that can reduce the feeling of stickiness and cooling even when sweating a small amount or sweating a lot due to prolonged exercise etc.
- a product can be manufactured, and a comfortable wearing feeling can be obtained in the textile products manufactured in this way, for example, clothes and bedding such as sportswear, inner and outerwear.
Abstract
Description
例えば、以下の特許文献1と特許文献2には、編地表側に吸水能力に優れた繊維、編地裏(肌)側に吸水能力の劣る繊維を使用することで編地裏側に水分を残さない構造とし、ベタツキ感や冷え感を抑制する編地が提案されている。
特許文献1では、編地裏(肌)側に吸水能力に劣る繊維を用いているため、汗を吸う能力が十分とはいえない、また、吸水能力に優れた繊維として綿など短繊維を用いているため、吸った汗を拡散する能力にも劣るため、べたつき低減の効果が十分ではない。
一方、特許文献2では吸水能力の高い繊維としてセルロースフィラメントを用いているため、拡散する能力には優れるが、編地裏(肌)側に疎水繊維を用いているため、汗を吸う能力は十分ではない。
しかしながら、該編地は、高密度でかつ親水性繊維の混率が25~75%と非常に高いため、肌側に保水され、凹凸があってもベタツキ感は大きく、衣料用途としての肌DRY性は不十分である。
すなわち、本発明は以下の通りのものである。
本発明の編地は、セルロース系長繊維5~25重量%及び合成繊維75~95重量%を少なくとも含む編地である。すなわち、本発明の編地においては、セルロース系長繊維は編地全体の5~25重量%、好ましくは5~20重量%含まれている。
本明細書中、セルロース系長繊維とは、レーヨン、キュプラ、アセテート等の再生セルロース長繊維、絹等の天然セルロース長繊維等があり、特に限定されない。これらは、綿や再生セルロース短繊維などのセルロース短繊維に比べ、毛羽が少なく、糸表面がなめらかであるため水分の拡散能力が高い。なかでも再生セルロース長繊維が好ましく、再生セルロース長繊維のうちレーヨン長繊維、キュプラ長繊維は、原料の綿に比べ繊維の水分率も大きく吸湿効果が大きいため、より好ましい。特にキュプラ長繊維はレーヨン長繊維に比べて繊維1本の表面形状もなめらかであり、繊度も細いため、編地に用いた際に非常にやわらかく、風合いが良く、特に好ましい。これらの繊維を編地中に効果的に配することにより、吸湿性とべたつき低減効果に優れ、不感蒸泄時や少量から多量の発汗時にもムレやべたつきがなく、着用した際に快適な編地とすることができる。セルロース長繊維の編地全体に対する含有量が5%より小さい場合には吸湿性が小さく、不感蒸泄時や少量発汗時の気体の汗を吸う能力に劣り、また、セルロース長繊維による吸水・移水性も不十分となり、汗をかいた際のべたつき低減効果が期待できず編地は着用時の快適性に劣る。一方、セルロース長繊維の該含有量が25%を超える場合には後述する発汗時のべたつきや発汗後の冷え感が大きくなるため、編地は着用時の快適性に劣る。
セルロース系長繊維の繊度は特に限定されないが、約22~約84デシテックス(dtex)が好ましく、約33~約56dtexがより好ましい。セルロース系長繊維の単糸繊度も特に限定されないが、約0.5~約2dtexが、肌触りや風合いの観点から、好ましい。
捲縮糸の上端を固定し、下端に1.77×10-3cN/dtの荷重をかけ、30秒後の長さ(A)を測定する。次いで、1.77×10-3cN/dtの荷重を取り外し、0.088cN/dtの荷重をかけ、30秒後の長さ(B)を測定し、下記式(1):
捲縮伸長率(%)={(B-A)/A}×100 (1)
により捲縮伸長率を求める。
前記したように、本発明の編地は、セルロース系長繊維5~25重量%及び合成繊維75~95重量%を少なくとも含む編地である。すなわち、本発明の編地には、該セルロース系長繊維と合成繊維以外の繊維が含まれていてもよい。但し、該合成繊維は編地全体の75~95重量%、好ましくは80~95重量%含まれる。
尚セルロース長繊維の比重は約1.5であり、合成繊維の比重は通常それより小さい(一般に、ポリエステル系繊維は約1.4、ポリウレタン繊維は約1.2、ポリアミド系繊維のは約1.1である)ことを考慮した、最外層におけるセルロース長繊維の出現量比率Yw(重量%)とXとの関係においても、X>Ywであることが好ましく、(2/3)・X>Ywであればさらに好ましく、(1/2)・X>Ywであればより好ましい。
このとき、Ywは下記式(2)で求められる:
Yw=Y・D1/{X・D1+(100-X)・D2} (2)
{式中、D1はセルロース長繊維の比重であり、そして、D2はセルロース長繊維以外の繊維の平均比重である。}。
本発明の編地のべたつき低減効果をさらに高めるには表面Aに凹凸を付与した編組織にするとよい。凸部と凹部の高さの差は約0.13~約0.50mmであることが好ましい。また、凸部は表面Aに均等に分布しており、具体的には試料中任意の1cm×1cm範囲を測定したときにどの範囲にも上記範囲の凸部が10個以上存在していることが好ましく、凸部面積が表面の面積の10~70%程度であることが好ましい。凹凸を付与する方法としては、編み組織を工夫し、タック組織や針抜き組織を組み込む方法、凸部で糸を重ねる方法、糸繊度を変える方法などが挙げられる。
また、凸部と凹部の高さの差が0.13mmを超えていれば、上述の、表面からの深さが0.13mm以下の領域に含まれない領域が存在することになる。すなわちこの場合に、表面Aについて、深さが0.13mm以下の領域(以下、表面Aにおける最外層とする)と、深さが0.13mmを超える領域(以下、表面Aにおける内層とする)とに分けることができる。表面Aにおける最外層における編地凸部の占有面積が、表面Aの全面積の10~70%であることが好ましい。
接触冷感性の測定には、カトーテック社製のサーモラボIIを使用する。この装置は温められた熱板を試料上に置いたときの熱の移動量を測定するものである。具体的な測定方法は以下のとおりである。
200g/m2の水分を付与したときの水分は、かなり汗をかくような運動をした時に布帛が吸う汗の水分量を想定した条件である。
測定時の水分の付与方法は、試料の表面A側に霧吹きにて、8cm×8cmにサンプリングされた試料の重量が+1.28gになるように水分を付与すればよい。このときの霧吹き内の水温は20℃である。
編地に水分が残っていると、水の熱伝導率が高いため、熱板から熱を多量に奪い、接触冷感性が大きくなる。すわなち、接触冷感性が大きい試料はベタツキ感が大きいことを意味し、約330W/m2・℃を超えるとベタツキ感が非常に大きく好ましくなく、一方、約180W/m2・℃未満は、ベタツキ感が小さいため、好ましいが、接触冷感性を約180W/m2・℃未満にするためには凹凸を著しく大きくする必要があり、肌触りの観点からは、好ましくない。尚、従来のセルロースを含む編地は通常約330W/m2・℃を大きく超えるが、本発明では、編地にセルロース長繊維を傾斜配置し、セルロース長繊維の吸水、拡散能力を活かすことにより、多量の水分が付与された状態でもベタツキ性が改良された編地となる。
編地の厚みは、Peacock社製の厚み測定器を用い、φ3.0cmの測定部を5gの荷重にて編地に接触させ、3か所で測定して平均する。厚みが約0.5mmより小さい場合には汗処理性に乏しく、快適感が得にくく、一方、厚みが約1.2mmを超える場合には生地のごわつきが大きくなり、肌触りを損ねる。本発明の編地の厚みは、より好ましくは約0.5~約1.0mmである。本発明はセルロース長繊維の吸水、拡散性により、肌の汗を素早く吸い上げるため、ポリエステル100%で表と裏の密度差や繊度差によりべとつき低減を狙った編地に比較してより薄い編地であっても同程度の効果を発揮させることが可能となる。
本発明の編地を作製するための編組織としては、ダブル丸編み地の場合、ヘリンボン、ブリスター、ワッフル、デンプルメッシュ等が使用でき、これに限定されるものではないが編地裏側に凹凸が得られるタック編みを使用した組織が好ましい。経編では、例えば3枚筬でミドルにセルロース系繊維を配し、凹凸を発現する組織にすれば所望の効果が奏される。本発明の編地表裏のコース方向のループ数は編成上問題なければ特に限定されない。
本発明の編地は、表面Bの編密度を表面Aの編密度より大きくすることにより、毛細管現象を発現させて表面A側から表面B側へ水分を移動させてもよい。このような、水分移動機能を有する本発明の編地表面Aを、衣類の肌面として着用すれば、多量の発汗時でも肌面に水分が残りにくく、着用時のベタツキ感や冷え感をさらに軽減することができる。このような編地は、ダイアル側とシリンダ側で異なるゲージを有する異ゲージ編機によって製造することができる。
毛細管現象を発現させるもう一つの方法としては、表面B側の単糸の糸繊度を表面A側の単糸の糸繊度より小さくする、好ましくは表面B側の単糸の糸繊度を表面A側の単糸の糸繊度の1/2以下にすることが挙げられる。
本発明の編地は、繊維製品の中でも衣料、特にスポーツウエアやインナー等の汗処理機能が必要な衣料用途に好適であるがこれらには限定されず、アウターや裏地等の衣料や、シーツ等の寝具、さらには失禁パンツ等の衛生物品にも適用でき、吸湿性能による快適性を有し、かつ、水分によるベタツキ感や冷え感を低減する効果を発揮することができる。
なお、実施例で得た編地は、以下の方法で評価した。
(1)表面Aのセルロース長繊維の出現面積
(i)編地試料を中濃色の直接染料(Sumilight Blueなど)1%owfとNa2SO4 5g/l含有する染料液に浸漬させて90℃30分加熱し、生地のセルロース長繊維部分を染色する。染色後の試料は染色前と密度が変わらないようにセットする。
(ii)上記(i)の試料からランダムに、縦横1cm×1cmの範囲を3箇所定め、糸等で立体的に識別できるようマーキングする。
(iii)試料の表面Aのマーキング部分を3次元表面形状測定装置で測定間隔20μmで計測し、データの傾きを補正した後、エクセルの等高線図で高さのmax値を20μm毎に変え、1cm×1cmの試料中に偏りなく分布が出現される高さを表面Aの最外面の高さとし、そこから0.13mm小さい値を等高線図のmax値としで2次元図を作図することで、表面Aの最外層部(深さ0.13mm以内の領域)を特定できる。ここで、「偏りなく分布が出現される高さ」とは、1cm×1cmの領域を5mm×5mmずつ4つに分割たときに、分割されたどの領域にも表面が出現する高さを意味する。最外層表面におけるセルロース長繊維を以下の方法で計測する。
編地の表面Aのセルロース長繊維の出現比率(面積%)=最外層部表面におけるセルロース長繊維の出現面積/試料面積 (3)
編地全体のセルロース混率Xは、編地のセルロース長繊維の交編率であり、編地編成時の糸の消費重量、または得られた編地を分解して測定されたセルロース長繊維重量から下記式(4):
X(重量%)=(編地中のセルロース長繊維重量/編地重量)×100 (4)
により算出されるが、使用糸量による算出が困難な場合には、編地の水分率から算出してもよい。
染色加工された編地の裏側が肌面になるように作製されたシャツを着用し、28℃、65%RH環境の人工気候室にて10分間安静にした後に、大武・ルート工業社製トレッドミルORK-3000にて時速8kmで30分の走行運動を行い、再び10分間安静にした。走行運動前の肌触り/風合い、及び快適感、並びに走行運動後のベタツキ感、及び冷え感を、それぞれ、以下の評価基準に従い官能評価した:
<走行運動前の肌触り/風合い>
○:肌触りや風合いが良い。
△:肌触りや風合いがやや悪い。
×:肌触りや風合いが悪い。
<走行運動前の快適感>
○:快適である。
△:やや不快である。
×:不快である。
<走行運動後のベタツキ感>
○:ベタツキ感を感じない。
△:ベタツキ感をやや感じる。
×:ベタツキ感を感じる。
<走行運動後の冷え感>
○:冷え感を感じない。
△:冷え感をやや感じる。
×:冷え感を感じる。
ダイアル側が18GG、シリンダ側が24GGであるダブル異ゲージ丸編機を使用し、ポリエステル丸断面加工糸84dtex/72fと、33dtex/24fのキュプラ丸断面糸と56dtex/72fのポリエステル丸断面糸をインターレース混繊後仮撚りして作製した複合糸(捲縮伸張率7.4%)と、ポリエステル丸断面加工糸84dtex/72fを4本引き揃えた糸(総繊度336dtex)とを、図1の編組織(図中の丸数字は編成順を示す)に示すように給糸し、編地生機を得た。この生機を液流染色機にて80℃×20分で精練、水洗した後に、ピンテンターにて幅出し率20%で180℃×90秒のプレセットを行った。その後、液流染色機にて130℃でのポリエステル染色、吸水加工、水洗を行った後に、ピンテンターにて、しわが取れる程度に伸長し、150℃×90秒のファイナルセットを行い、目付150g/m2、厚み0.97mmの編地を得た。得られた編地の表面A側には、配された糸の繊度違いによる凸部が存在し、深さ0.13mm以内の領域(最外層部)は編地全体の面積中の55%であった。表面A最外層のセルロース長繊維の出現面積比率は編地全体の面積の2.5%であり、セルロース長繊維が傾斜配置されていた。表面Bにおけるセルロース長繊維の出現面積比率は0%であった。表面Aの水分200g/m2付与時の接触冷感値は195W/m2・℃であり、この編地から得たシャツの着用試験では運動前も快適で、発汗後もベタツキ感や冷え感がないという結果が得られた。結果を以下の表1に示す。
28ゲージダブル丸編機を使用し、ポリエステル丸断面加工糸56dtex/72fと、33dtex/24fのキュプラ丸断面糸と56dtex/72fのポリエステル丸断面糸をインターレース混繊後仮撚りして作製した複合糸と、ポリエステル丸断面加工糸56dtex/24fとを、図2の編組織(図中の丸数字は編成順を示し、同一行に記された編成箇所(例えば、丸数字1と13)では同じ糸種を給糸する)に示すように給糸し、複合糸とポリエステル丸断面加工糸56dtex/24を給糸する際にはプレーティングして複合糸が編地内側に配されるように編成し、実施例1と同様に加工して、目付134g/m2、厚み0.69mmの編地を得た。得られた編地の表面A側には、糸重なりによる凸部が存在し、表面A最外層のセルロース長繊維の出現面積比率は4.7%であり、セルロース長繊維が傾斜配置されていた。表面Bにおけるセルロース長繊維の出現面積比率は0%であった。表面Aの水分200g/m2付与時の接触冷感値は220W/m2・℃であり、この編地から得たシャツの着用試験では運動前も快適で、発汗後もベタツキ感や冷え感のないものであった。結果を以下の表1に示す。
28GGのトリコット編み機を用いて、フロントにポリエステル丸断面加工糸56dtex/24fを組織10/23とし、ミドルにポリエステル丸断面加工糸56dtex/24fとキュプラ丸断面糸56dtex/30fを組織21/10で1本交互に配置し、バックにポリエステルW断面加工糸56dtex/30fを組織10/12として配置した。キュプラ丸断面糸は主として編地の中間層に配置されていた。実施例1と同様に加工処理をして、目付138g/m2、厚み0.61mmの編地を得た。得られた編地の表面A側には、編組織による凹凸が存在し、表面A最外層のセルロース長繊維の出現面積比率は9.3%であり、セルロース長繊維が傾斜配置されていた。表面Bにおけるセルロース長繊維の出現面積比率は0%であった。表面Aの水分200g/m2付与時の接触冷感値は255W/m2・℃であり、この編地から得たシャツの着用試験では快適でベタツキ感や冷え感がなかった。結果を以下の表1に示す。
26ゲージダブル丸編機を使用し、ポリエステル丸断面加工糸84dtex/72fと、33dtex/24fのキュプラ丸断面糸と56dtex/72fのポリエステル丸断面糸をインターレース混繊後仮撚りして作製した複合糸と、ポリエステル丸断面加工糸56dtex/24fとを、図3の編組織(図中の丸数字は編成順を示し、同一行に記された編成箇所(例えば、丸数字1と5と9)では同じ糸種を給糸する)に示すように給糸し、複合糸とポリエステル丸断面加工糸56dtex/24を給糸する際にはプレーティングして複合糸が編地内側に配されるように編成し、実施例1と同様に加工して、目付148g/m2、厚み0.68mmの編地を得た。得られた編地の表面Aにおける凹凸は小さく、表面Aのセルロース長繊維の出現面積比率は4.2%でありセルロース長繊維が傾斜配置されていた。表面Bにおけるセルロース長繊維の出現面積比率は0%であった。表面Aの水分200g/m2付与時の接触冷感値は229W/m2・℃であり、この編地から得たシャツの着用試験では運動前も快適で、発汗後もベタツキ感や冷え感のないものであった。結果を以下の表1に示す。
実施例2のキュプラ丸断面原糸33dtex/24fの代わりにレーヨン84dtex/30fを用いた他は実施例2と同様の編地を作製し、目付147g/m2、厚み0.78mmの編地を得た。得られた編地の表面A側には、糸重なりによる凸部が存在し、表面A最外層のセルロース長繊維の出現面積比率は9.8%でありセルロース長繊維が傾斜配置されていた。表面Bにおけるセルロース長繊維の出現面積比率は5%であった。表面Aの水分200g/m2付与時の接触冷感値は273W/m2・℃であり、この編地から得たシャツの着用試験では快適で、ベタツキ感や冷え感が小さいものであった。結果を以下の表1に示す。
実施例2の複合糸を56dtex/30fのキュプラ丸断面糸に変更し、図2の編組織に示すように給糸し、他の条件は実施例2と同様にして、目付127g/m2、厚み0.68mmの編地を得た。得られた編地の表面A側には、糸重なりによる凸部が存在し、表面A最外層のセルロース長繊維の出現面積比率は13.8%であった。表面Bにおけるセルロース長繊維の出現面積比率は3%であった。表面Aの水分200g/m2付与時の接触冷感値は294W/m2・℃であり、この編地から得たシャツの着用試験ではベタツキ感や冷え感の小さいものであった。結果を以下の表1に示す。
28GGのダブル丸編機を使用し、56dtex/24fのキュプラ丸断面糸と56dtex/72fのポリエステル丸断面糸をインターレース混繊後仮撚りして作製した複合糸とポリエステル丸断面加工糸84dtex/72fを1本交互に配置して図4に示す編組織で編成した。実施例1と同様に加工を行い、目付139g/m2、厚み0.71mmの編地を得た。得られた編地の表面Aにおける凹凸は小さく、表面Aのセルロース長繊維の出現面積比率は18.8%と大きく、セルロース長繊維が傾斜配置されていなかった。表面Bにおけるセルロース長繊維の出現面積比率は18%であった。水分200g/m2付与時の接触冷感値は355W/m2・℃であり、この編地から得たシャツの着用試験ではベタツキ感や冷え感の大きいものであった。結果を以下の表1に示す。
すべての糸をポリエステル丸型断面加工糸84dtex/72fとした以外は実施例2と同様にして、目付126g/m2、厚み0.66mmの編地を得た。編地はポリエステル100%であり、水分200g/m2付与時の接触冷感値は348W/m2・℃であり、この編地から得たシャツの着用試験では運動前後の快適性に欠けるものであった。結果を以下の表1に示す。
Claims (7)
- セルロース系長繊維5~25重量%及び合成繊維75~95重量%を少なくとも含む編地の少なくとも一方の表面Aにおいて、該編地の深さ0.13mm以内の領域における該編地全体の面積に対する該セルロース系長繊維の出現部分の面積が0.2~15%であり、そして該表面Aの200g/m2水分付与時の接触冷感性が180~330W/m2・℃であることを特徴とする編地。
- 厚みが0.5~1.2mmである、請求項1に記載の編地。
- 前記表面Aに深さ0.13~0.50mmの凹凸を有する、請求項2に記載の編地。
- 前記表面Aと反対側の表面Bが合成繊維からなる、請求項1~3のいずれか1項に記載の編地。
- 前記編地全体のセルロース長繊維混率をX、そして前記編地の深さ0.13mm以内の領域内のセルロース長繊維の出現比率をYとするとき、X>Yである、請求項1~3のいずれか1項に記載の編地。
- 前記セルロース系長繊維が、ポリエステル系又はポリアミド系長繊維との複合糸である、請求項1~3のいずれか1項に記載の編地。
- 請求項1~3のいずれか1項に記載の編地からなり、かつ、前記表面Aが着用時に肌面に位置する繊維製品。
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US20130209743A1 (en) | 2013-08-15 |
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