WO2005118931A1 - 通気度可逆変化織編物 - Google Patents
通気度可逆変化織編物 Download PDFInfo
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- WO2005118931A1 WO2005118931A1 PCT/JP2005/009055 JP2005009055W WO2005118931A1 WO 2005118931 A1 WO2005118931 A1 WO 2005118931A1 JP 2005009055 W JP2005009055 W JP 2005009055W WO 2005118931 A1 WO2005118931 A1 WO 2005118931A1
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- WO
- WIPO (PCT)
- Prior art keywords
- knitted fabric
- woven
- air permeability
- humidity
- reversible
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
- D03D15/225—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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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
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- 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
-
- 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
- D10B2401/14—Dyeability
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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
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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.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3472—Woven fabric including an additional woven fabric layer
-
- 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.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3976—Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
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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]
- Y10T442/425—Including strand which is of specific structural definition
-
- 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]
- Y10T442/488—Including an additional knit fabric layer
Definitions
- the present invention relates to a woven or knitted fabric whose air permeability changes reversibly.
- Patent Document 1 discloses that a modified polyethylene terephthalate containing a sulfonate group and nylon are compounded in a side-by-side manner, and the humidity is changed. And a breathable self-adjusting woven or knitted fabric containing a conjugate fiber whose crimp rate changes reversibly.
- polyester and nylon have insufficient water absorbency and hygroscopicity, and changes in form due to humidity and moisture are small. Dryness is also insufficient.
- Patent Document 2 discloses cellulose obtained by subjecting a cellulose acetate having reversible crimping performance and having a difference in average degree of substitution of not less than a predetermined value to a side-by-side composite spun fiber at a predetermined weight ratio with alkali. Although a woven or knitted fabric using acetate fibers is described, the dimensional stability of the woven or knitted fabric is not sufficient due to the reversible change in crimp due to humidity, and the quick-drying property is also insufficient.
- Patent Document 1 JP 2003-41462 A
- Patent Document 2 JP 2002-180323 A Disclosure of the invention
- the present invention solves such problems in the prior art, in which a large change in air permeability is obtained by a change in humidity and moisture content, and water absorption, moisture absorption, quick drying, fabric strength, and dimensional stability.
- a large change in air permeability is obtained by a change in humidity and moisture content, and water absorption, moisture absorption, quick drying, fabric strength, and dimensional stability.
- the purpose of the present invention is to provide a reversible crimped cellulose having a basic composition of the present invention, which has a crimp rate of less than 10% when the humidity is 95% or more and a crimp rate of 20% or more when the humidity is 5% or less.
- a crimp rate of less than 10% when the humidity is 95% or more includes Asete over preparative fibers, basis weight is achieved by the air permeability reversible change textile product of the multilayer structure is 100 ⁇ 350gZm 2.
- the woven or knitted fabric with reversible air permeability when the moisture content of the woven or knitted fabric increases due to water absorption or moisture absorption, the air permeability increases and the feeling of stuffiness in the garment during perspiration increases. Prevents a feeling of sticking or temperature rise, and after the woven or knitted fabric releases moisture to the outside environment, it changes to the original air permeability, prevents the body temperature from excessively lowering due to heat of vaporization, and makes the environment in clothes comfortable Can be kept.
- the woven or knitted fabric of the present invention contains a reversible crimped cellulose acetate fiber having a crimp rate of less than 10% when the humidity is 95% or more and a crimp rate of 20% or more when the humidity is 45% or less. is necessary.
- the cellulose acetate fiber strength is 95% or more and the crimp rate is less than 10%
- the size of the woven or knitted fabric becomes large at the time of sweating, the permeability of the woven or knitted fabric increases, and the humidity becomes 45% or less.
- the crimping ratio is 20% or more, the air permeability decreases during drying, and the heat retention and texture by crimping are improved.
- the woven or knitted material since the morphological change of the acetate fiber is large due to a change in the moisture content, when the woven or knitted material is composed of one layer whose air permeability changes reversibly, the size of the woven or knitted material is changed by the reversible change. Since the stability and strength decrease, it is necessary to use a woven or knitted fabric having a multilayer structure.
- the multi-layer woven or knitted fabric include a two-layer woven or knitted fabric having a surface layer and a back surface layer, and a three-layer woven or knitted fabric further having an intermediate layer. At least one layer has a reversible change in air permeability.
- the air permeability of the skin side, that is, the sweating site, that is, the back layer is reversibly changed in order to effectively absorb, absorb, and dry sweat. It is more desirable to include acetate fibers in the back layer.
- the basis weight is 100 ⁇ 350gZm 2. Freedom of the fibers of the woven or knitted fabric, the larger the space within the woven or knitted fabric, but reversible changes in the permeability increases, with the eyes is less than LOOgZm 2, stable form of woven or knitted fabric becomes poor. In addition, in a high-density woven or knitted fabric, the change in the air permeability becomes insufficient, and the decrease in the residual moisture content is slow.
- the basis weight must be at 3 50 g / m 2 or less, when it exceeds 350 g / m 2, the technique to a high density of woven or knitted fabric, water absorption, a change in air permeability due to moisture absorption decreases, during perspiration It is difficult to prevent stuffiness, stickiness, and temperature rise, and the drying speed is reduced.
- the difference in the density of the woven or knitted fabric between the surface layer and the backside layer is preferable in terms of prevention of see-through, strength of the woven or knitted fabric, and dimensional stability.
- Ratio, backside layer density Z surface layer density is desirably 1.2 or more.
- the density of the woven fabric is expressed by the ratio of the number of texture points per unit area floating on the front surface or the back surface according to the following equation.
- Density (number of texture points where warp yarn is floating per unit area X dtex (or 1Z-count)
- the density of the knitted fabric is determined by the following equation.
- Density ⁇ dtex (or 1Z-number) X course number Z2. 54cm ⁇ X ⁇ dtex (or lZ-number) X ⁇ ell number Z2. 54cm ⁇
- the number of courses and the number of jewels are calculated based on the number of components in each layer, that is, for a knitted product, a stitch formed by a loop.
- the ratio of the number of component parts in each layer is determined by (dtex (or 1Z-number) X number of courses Z2.55 cm) or (dtex ( Or 1Z number) It should be calculated by multiplying the surface layer or back layer of X ⁇ L number Z2. Also, even when the fibers of the back layer partially form the surface layer, the stitches of the back layer are formed more than the surface layer! In this case, it is a yarn constituting the back layer.
- At least one of the surface layer and the back layer has a knitting structure of a total needle structure.
- the knitting structure including the total needles such as lZi structure or total needle structure, is preferable to lZi structure for l course knitting.
- a knitted structure in which two or more loops are continuously knitted, that is, a knitted structure including all needles is preferable.
- the knitted structure including the total needles has a longer loop length and is more excellent in extensibility than the 1Z1 structure, so that a difference in air permeability can be easily obtained. It is most preferable that the knitted structure has a structure in which the entire surface layer and the back surface layer are all composed of needles. However, it may be used on one side.
- Examples of such a knitted fabric include a knitting structure in which the surface layer has a total needle structure and a back surface layer has a needle-tipped single-tack structure, and a surface layer has an lZi structure and a back surface layer has a single-tack total needle structure.
- reversible crimped cellulose acetate fiber and polyester fiber, polyamide fiber, or the like may be used in combination with twisted yarn, mixed fiber, or the like. It is desirable that the acetate fiber be contained in a ratio of 20% by weight or more, preferably 30% by weight or more!
- the cellulose acetate fiber also includes a composite of acetates having different degrees of agitation, and one of the composites is a cellulose acetate.
- the residual moisture content 20 minutes after the start of the measurement is preferably 50% or less. If the residual moisture content after 20 minutes from the start of measurement exceeds 50%, the drying speed of the moisture absorbed by the woven or knitted fabric tends to be slow, causing a sticky feeling.
- the temperature rising force after 10 minutes is less than ° C
- the temperature rising force after 10 minutes is less than ° C
- the skin temperature drops to the initial temperature.
- the water absorption at 10 seconds after the start of the measurement is preferably 1 ml or more, and the water absorption at 10 seconds after the measurement is started is 1 ml or more. This makes it possible to quickly absorb sweat on the skin surface and prevent sticky feeling.
- the woven or knitted fabric having a reversible change in air permeability of the present invention is preferably 20 cm 3 Zcm 2 Zsec or more larger than the air permeability at the moisture content of 60% when dried. If the air permeability at a moisture content of 60% is less than 20 cm 3 / cm 2 / sec compared to the air permeability at the time of drying, moisture and heat cannot be sufficiently released to the external environment at the time of sweating, and the drying speed will be slow. The feeling of stuffiness and stickiness in clothes and the rise in temperature increase.
- the woven or knitted fabric with reversible air permeability according to the present invention is used for a textile, it is most preferably used for a part on the skin side.
- the knitted fabric absorbs moisture and sweat generated from the skin side and is suitable for comfort textile products due to a change in air permeability, for example, sports and inner use.
- the woven or knitted fabric of the present invention it is most preferable to use 100% of the woven or knitted fabric of the present invention for a strong fiber product, but it is required to provide comfort that can be partially used in a part of the human body where sweating is large, such as the side of the human body. To achieve this, it is desirable to use the woven or knitted fabric preferably in an amount of at least 20% by weight, more preferably at least 30% by weight.
- the reversible air permeability reversible woven or knitted fabric of the present invention is a reversible crimped cellulose acetate fiber having a crimp rate of less than 10% when the humidity is 95% or more and a crimp rate of 20% or more when the humidity is 45% or less. It is necessary to include.
- Examples of such fibers include fibers obtained by subjecting a precursor fiber obtained by compound-spinning cellulose acetate having a different average substitution degree into a side-by-side type to an alkali treatment, and having an average substitution degree of 2.
- Precursor fibers obtained by composite spinning of cellulose acetate with an average degree of substitution of less than 60 and cellulose acetate with an average degree of substitution of 2.76 or more at a weight ratio of 40:60 to 75:25 are alkali-treated. Cellulose acetate fibers are preferred. Further, the re-stretching treatment may be performed in the state of a thread or after forming the woven or knitted fabric.
- one of the low-substitution components of the composite component is completely deacetylated! /! From the viewpoint of exerting a sufficient difference in morphological change due to moisture absorption and water absorption.
- the fiber whose shape is reversibly changed by moisture absorption and water absorption is preferably 20% or more in order to obtain good comfort when worn if it is 10% or more in the woven or knitted fabric.
- the fiber may be used in combination with another fiber by a twisted yarn, an air-mixed fiber or the like.
- composite yarns with polyester long fibers or polyamide long fibers are preferred.
- the moisture, reversibly its form is changed by water absorption and water absorption, excellent fiber fast drying is included in at least one layer, weight per unit area in 100 ⁇ 350g / m 2 It is necessary to create a multi-layer woven or knitted fabric.
- Examples of the knitted fabric having a multi-layer structure include a knitted fabric having a two-layered structure having a surface layer and a back surface layer, a knitted fabric having a three-layered structure having an intermediate layer, and the like.
- the fibers are contained in the skin side, that is, the sweating site, that is, the back layer, from the viewpoint of effectively absorbing and absorbing sweat.
- the structure of the woven or knitted fabric is not particularly limited, but in particular, the knitted structure of tack-bonding including the total needle structure is a preferable knitted structure for obtaining a difference in air permeability, particularly for the knitted structure of a double-sided knitted fabric.
- a double-sided knitted fabric in which at least one knitting structure of the surface knitting layer or the back knitting layer is constituted by a tack-bonded knitting structure including all needles is preferred.
- 1Z1 knitting or a total needle structure is basically used for knitting one course, but a total needle structure that is more preferable than a 1,1 structure is used.
- Including braid As a weave, a 2Z2, 3Z1 structure or the like has a certain force.
- a knitted structure in which two or more loops are continuously knitted, that is, a knitted structure including all needles is preferable.
- the reason why the knitted structure including the total needles is preferable to the 1Z1 structure is due to the difference in the yarn length. Compared with the 1Z1 structure, the total needles have a longer loop length and are more excellent in elasticity, so that a difference in air permeability is easily obtained.
- Crimp rate (%) (L1 -L0) / L1 X 100
- the morphological change of the woven or knitted fabric at a humidity of 95% and a humidity of 45% was visually evaluated.
- the case where there was no change in the shape of the fabric was marked as ⁇ , and the case where the woven or knitted fabric was stretched due to moisture absorption, the size of the fabric was increased, and the shape was changed, was marked X.
- a water drop of 0.1 ml is dropped on an acrylic plate on a balance, and a woven or knitted fabric sample (10 cm ⁇ 10 cm, dry weight WO (g)) is placed thereon, and the weight when water is absorbed is W100 (g).
- the weight W was measured every 5 minutes, and was obtained from the following equation.
- Larose method Based on JIS L-1907 surface water absorption method (Larose method), horizontal glass filter hydrated using Toyobo Engineering Co., Ltd. Larose method water absorption measurement device TL 01 A sample was set on the sample, and a load of 480 g was applied on the sample, and 10 seconds after the start of the measurement, the amount of water that the sample sucked up through the glass filter was measured. At this time, the surface of the sample that is in contact with the glass filter is the surface on the high water absorption side of the sample.
- thermophysical property analyzer KES-7F apply a predetermined amount of water droplets (corresponding to the amount of perspiration) on a hot plate and give a predetermined amount of heat, and the hot plate temperature is 30 ° C (initial temperature) Then, the woven or knitted fabric sample was placed on a hot plate, and the change in hot plate temperature was measured with a thermocouple on the hot plate surface.
- Hot plate area 100cm 2 (1 Ocm X 10cm)
- a run shirt was prepared from the same woven or knitted fabric as the sample, and a wearing test was performed. After one hour of running, the feeling of stuffiness and stickiness was evaluated. Those with no stuffiness and stickiness were marked with ⁇ , and those with stuffiness and stickiness were marked with X.
- the woven or knitted fabric (40 cm x 40 cm) was immersed in water for 24 hours and then dewatered (dewatering time: 3 minutes).
- C which was air-dried for 24 hours in an atmosphere of 65%, was used as a sample for drying, and the weight WO (g) and the air permeability were measured.
- the sample was immersed in water for 24 hours, dehydrated to a water content of 100%, and then weighed with the sample weight W (g) every 30 minutes at 20 ° C and 65% atmosphere. Measure the degree.
- Air permeability tester FX3300 manufactured by TEXTEST Example 1
- Cellulose triacetate having an average degree of substitution of 2.91 and cellulose diacetate having an average degree of substitution of 2.41 were dissolved in a mixed solvent of 91% by weight of methylene chloride and 9% by weight of Z methanol, respectively, to give a cellulose triacetate concentration of 22% by weight.
- a spinning solution and a spinning solution having a cellulose diacetate concentration of 22% by weight were prepared.
- the cellulose diacetate component and the cellulose triacetate component were composite-spun side-by-side at a weight ratio of 50:50 by dry spinning to obtain a 84dtexZ20 filament yarn.
- the obtained composite acetate fiber had a crimp rate of 7% when the humidity was 95% and a crimp rate of 25% when the humidity was 45%.
- the following reversible knitted fabric was prepared by using a mixed yarn obtained by air-filing the filament yarn of the acetate fiber and the polyester fiber 33dtexZl2.
- Knitting machine 30 inch 28 gauge
- Knitting structure The surface layer and the back layer are all needle structures, and the connection is 1Z1 double-sided tack
- Tack part is polyester fiber 56dtex24 filament
- the back layer is the mixed yarn
- the knitted reversible knitted fabric was dyed at 130 ° C after performing the following alkali treatment, and the dyed product was heat-set with a 170 ° C tenter to obtain a reversible knitted fabric.
- the basis weight of the obtained knitted fabric was 235 g / m 2 .
- Alkali treatment solution 1% aqueous solution of sodium hydroxide
- Treatment liquid bath ratio 1: 100
- Table 1 shows the evaluation results of the obtained knitted fabric.
- the air permeability of the knitted fabric changed due to the change in the crimped form of the composite acetate fiber used for the back surface due to the humidity, and there was no stuffiness or stickiness in the wearing test.
- Example 2
- the following needle-free reversible knitted fabric was prepared using the same mixed fiber of composite acetate fiber and polyester fiber as in Example 1, and subjected to the same alkali treatment and dyeing finish as in Example 1 to obtain a reversible knitted fabric. I got The basis weight of the obtained knitted fabric was 215 gZm 2 .
- Knitting machine 30 inch 28 gauge
- Knitting structure surface layer is all needles, back layer is 1Z1 needle-free structure, bonding is double-sided tack Yarn composition: surface layer is polyester fiber 110dtex24 filament
- Tack part is polyester fiber 56dtex24 filament
- the back layer is the mixed yarn
- Table 1 shows the evaluation results of the obtained knitted fabric.
- the air permeability of the knitted fabric changed due to the change in the crimped form of the composite acetate fiber used for the back surface due to the humidity, and there was no stuffiness or stickiness in the wearing test.
- a reversible knitted fabric was prepared in the same manner as in Example 1 except that a polyester fiber of 110 dtex / 48 filaments was used for the back layer. Basis weight of the resulting knitted fabric was filed in 230gZm 2.
- Table 1 shows the evaluation results of the obtained knitted fabric. Since the change in air permeability did not occur due to humidity, the feeling of stuffiness and stickiness became large.
- a knitted fabric was prepared in the same manner as in Example 1 except that the mixed yarn used in Example 1 was used to knit a single-layered knitted fabric at 28G.
- the basis weight of the obtained knitted fabric was 80 gZm 2 Table 1 shows the evaluation results of the obtained knitted fabric. When the humidity changed, the knitted fabric was stretched and the form as the knitted fabric was unstable.
- Example 3
- Cellulose triacetate having an average degree of substitution of 2.91 and cellulose diacetate having an average degree of substitution of 2.41 were each dissolved in a mixed solvent of 91% by weight of methylene chloride and 9% by weight of Z methanol. Then, a stock solution for spinning having a cellulose triacetate concentration of 22% by weight and a stock solution for spinning having a cellulose diacetate concentration of 22% by weight were prepared. Using these spinning dope solutions, the cellulose diacetate component and the cellulose triacetate component were composite-spun side-by-side at a weight ratio of 50:50 by dry spinning, and the cellulose acetate fiber composited into a 110dtex Z26 filament side-by-side type was formed. Obtained. The obtained composite acetate fiber had a crimp rate of 9% when the humidity was 95% and a crimp rate of 27% when the humidity force was 5%.
- the following mesh reversible knitted fabric (having a basis weight of 185 gZm 2 ) was prepared using a mixed fiber obtained by mixing the cellulose acetate fiber and a polyester fiber of 33 dtex Z8 filament on the back surface and a polyester fiber of 110 dtex Z48 filament on the front surface. .
- Knitting machine 30 inch 28 gauge
- Knitting structure The surface layer is composed of all needles, and the back layer is a single tack mesh structure composed of all needles.
- the back layer is the mixed yarn
- the obtained knitted fabric was subjected to an alkali treatment under the following conditions at a weight reduction rate of 17.5%.
- the weight loss rate was calculated from the weight change before and after the alkali treatment.
- Alkali treatment solution 1% aqueous solution of sodium hydroxide
- Treatment liquid bath ratio 1: 100
- Table 2 shows the evaluation results of the obtained knitted fabric.
- the air permeability of the knitted fabric was changed due to the change in the crimped form of the cellulose acetate fiber used for the back surface due to the humidity, and no stuffiness or stickiness was observed in the wearing test.
- a mesh reversible knitted fabric (having a basis weight of 185 gZm 2 ) was prepared in the same knitting structure as in Example 3 using 110 dtex Z48 filament polyester fibers on the front and back surfaces.
- Table 2 shows the evaluation results of the obtained knitted fabric. Since the change in air permeability does not occur due to humidity, the feeling of stuffiness and stickiness is large o
- a mesh reversible knitted fabric (basis weight 230 g / m 2 ) was prepared in the same knitting structure as in Example 3 using 40Z1 cotton yarn on the front and back surfaces.
- Table 2 shows the evaluation results of the obtained knitted fabric.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2006519551A JP4372153B2 (ja) | 2004-06-01 | 2005-05-18 | 通気度可逆変化織編物 |
EP20050741417 EP1752571B1 (en) | 2004-06-01 | 2005-05-18 | Woven or knitted fabric exhibiting reversibly changeable air permeability |
US11/628,223 US7820571B2 (en) | 2004-06-01 | 2005-05-18 | Woven or knitted fabric exhibiting reversibly changeable air permeability |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004-163108 | 2004-06-01 | ||
JP2004163108 | 2004-06-01 | ||
JP2004-324162 | 2004-11-08 | ||
JP2004324162 | 2004-11-08 |
Publications (1)
Publication Number | Publication Date |
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WO2005118931A1 true WO2005118931A1 (ja) | 2005-12-15 |
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PCT/JP2005/009055 WO2005118931A1 (ja) | 2004-06-01 | 2005-05-18 | 通気度可逆変化織編物 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7820571B2 (ja) |
EP (1) | EP1752571B1 (ja) |
JP (1) | JP4372153B2 (ja) |
WO (1) | WO2005118931A1 (ja) |
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US7820571B2 (en) * | 2004-06-01 | 2010-10-26 | Mitsubishi Rayon Co., Ltd. | Woven or knitted fabric exhibiting reversibly changeable air permeability |
JP2013147776A (ja) * | 2012-01-23 | 2013-08-01 | Mitsubishi Rayon Textile Co Ltd | 立体感のある両面丸編地 |
JP2013237967A (ja) * | 2006-07-27 | 2013-11-28 | Outlast Technologies Llc | 温度調節セルロース系繊維及びその用途 |
JP2016160559A (ja) * | 2015-03-04 | 2016-09-05 | 三菱レイヨン・テキスタイル株式会社 | 紡績糸及びこれを用いた抗ピリング性織編物 |
US9434869B2 (en) | 2001-09-21 | 2016-09-06 | Outlast Technologies, LLC | Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof |
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- 2005-05-18 EP EP20050741417 patent/EP1752571B1/en not_active Expired - Fee Related
- 2005-05-18 WO PCT/JP2005/009055 patent/WO2005118931A1/ja active Application Filing
- 2005-05-18 US US11/628,223 patent/US7820571B2/en not_active Expired - Fee Related
- 2005-05-18 JP JP2006519551A patent/JP4372153B2/ja not_active Expired - Fee Related
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US9434869B2 (en) | 2001-09-21 | 2016-09-06 | Outlast Technologies, LLC | Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof |
US10208403B2 (en) | 2001-09-21 | 2019-02-19 | Outlast Technologies, LLC | Cellulosic fibers having enhanced reversible thermal properties and methods of forming thereof |
US7820571B2 (en) * | 2004-06-01 | 2010-10-26 | Mitsubishi Rayon Co., Ltd. | Woven or knitted fabric exhibiting reversibly changeable air permeability |
JP2013237967A (ja) * | 2006-07-27 | 2013-11-28 | Outlast Technologies Llc | 温度調節セルロース系繊維及びその用途 |
JP2013147776A (ja) * | 2012-01-23 | 2013-08-01 | Mitsubishi Rayon Textile Co Ltd | 立体感のある両面丸編地 |
JP2016160559A (ja) * | 2015-03-04 | 2016-09-05 | 三菱レイヨン・テキスタイル株式会社 | 紡績糸及びこれを用いた抗ピリング性織編物 |
Also Published As
Publication number | Publication date |
---|---|
EP1752571B1 (en) | 2011-07-06 |
US20080268735A1 (en) | 2008-10-30 |
US7820571B2 (en) | 2010-10-26 |
JPWO2005118931A1 (ja) | 2008-04-03 |
JP4372153B2 (ja) | 2009-11-25 |
EP1752571A4 (en) | 2010-06-02 |
EP1752571A1 (en) | 2007-02-14 |
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