US20080020173A1 - Polyester Pile Fabric Having Excellent Soft Hand, Abrasion Resistance And Bathochromic Effect - Google Patents

Polyester Pile Fabric Having Excellent Soft Hand, Abrasion Resistance And Bathochromic Effect Download PDF

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Publication number
US20080020173A1
US20080020173A1 US11/628,361 US62836105A US2008020173A1 US 20080020173 A1 US20080020173 A1 US 20080020173A1 US 62836105 A US62836105 A US 62836105A US 2008020173 A1 US2008020173 A1 US 2008020173A1
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Prior art keywords
pile
polyester
flat
pile fabric
fabric according
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Abandoned
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US11/628,361
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English (en)
Inventor
Migifumi Fukunaga
Hirokazu Hayashi
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Teijin Frontier Co Ltd
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Teijin Fibers Ltd
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Assigned to TEIJIN FIBERS LIMITED reassignment TEIJIN FIBERS LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HAYASHI, HIROKAZU, FUKUNAGA, MIGIFUMI
Publication of US20080020173A1 publication Critical patent/US20080020173A1/en
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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
    • D04B21/02—Pile fabrics or articles having similar surface features
    • D04B21/04—Pile fabrics or articles having similar surface features characterised by thread material
    • 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
    • D04B21/02—Pile fabrics or articles having similar surface features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • 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
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23957—Particular shape or structure of pile

Definitions

  • the present invention relates to a polyester pile fabric having a cut pile layer formed from flat polyester filaments and excellent soft hand, abrasion resistance and bathochromic effect.
  • a pile fabric has heretofore been used in a large amount for car sheets, home interiors, office interiors, exhibition hall interiors, clothing, and the like.
  • pile fabrics have been required to exhibit significantly excellent properties, and various pile fabrics have been proposed.
  • a pile fabric the bathochromic effect of which is improved by lowering the content of a delustering agent of the raw yarn for piles and making the size fall in a specific range
  • Japanese Unexamined Patent Publication Korean Unexamined Patent Publication
  • Patent Reference 1 Japanese Unexamined Patent Publication
  • Patent Reference 2 Japanese Unexamined Patent Publication
  • Patent Reference 3 Japanese Unexamined Patent Publication
  • Patent Reference 3 Japanese Unexamined Patent Publication
  • a fabric formed from extremely fine filaments has been known as a fabric having a soft hand (e.g., Japanese Unexamined Patent Publication (Kokai) No. 7-70871).
  • Kokai Japanese Unexamined Patent Publication
  • the total filament surface area is increased, and a significant irregular reflection of light takes place to cause the problem that the dyed fabric thus obtained exhibits a whitish color without deepening the color.
  • the pile filaments have a small individual filament thickness, the fabric has the problem that the individual filaments are likely to be broken to lower the abrasion resistance.
  • pile fabrics having high soft hand and abrasion resistance and showing a marked bathochromic effect have not been proposed but are desired.
  • An object of the present invention is to provide a polyester pile fabric having a very soft hand, excellent abrasion resistance and bathochromic effect, and fiber articles thereof.
  • a desired pile fabric can be obtained by using polyester filaments yarns having a necked flat cross-sectional profile and a specific individual pile filament thickness. They have further intensively investigated to achieve the present invention.
  • a polyester pile fabric of the present invention comprises a ground structure portion having a knitted or woven structure formed from polyester filaments yarns, and a pile portion comprising polyester filaments yarns knitted or woven into the ground structure portion,
  • the pile portion having a cut pile layer formed on one side of the ground structure portion and comprising the polyester fibers
  • the polyester fibers from which the pile portion is formed having a individual fiber thickness of 0.5 to 1.5 dtex and a flat cross-sectional profile
  • the flat ratio of the flat cross-sectional profile represented by a ratio B/C1 wherein B represents the maximum width of the cross-sectional profile, and C1 is the maximum thickness of the profile in the direction at right angles to the maximum width direction, being from 2 to 6, and at least two pairs of concavities each pair of which are mutually oppositely protruded inward from two sides of the flat cross-section facing each other extending along the maximum width B in the flat cross-sectional profile being formed, whereby the polyester pile fabric shows a very soft hand, high abrasion resistance and a bathochromic effect.
  • the individual fiber thickness of the flat polyester fibers for the pile portion is preferably from 0.6 to 1.4 dtex.
  • the ratio C1/C2 wherein C1 represents the maximum thickness of the flat cross-sectional profile of the flat polyester fibers for the pile portion, and C2 represents the minimum thickness of the profile, is preferably from 1.05 to 4.00.
  • the flat polyester filaments for the pile portion preferably comprise a delustering agent in the amount of 2.5% or less by mass or less based on the mass of the flat polyester filaments.
  • the flat polyester filament yarns for the pile portion are preferably non-twisted yarns.
  • At least the flat polyester filament yarns from which the pile portion is formed are preferably dyed yarns.
  • Fiber articles of the present invention for interior automotive trims or interiors of the present invention comprise any of the polyester pile fabrics mentioned above.
  • a polyester pile fabric excellent in soft hand, abrasion resistance and bathochromic effect, and fiber articles for automotive interior trims and home interiors including the polyester pile fabric can be obtained.
  • FIG. 1 shows an explanatory cross-sectional profile of the polyester pile fabric of the present invention
  • FIG. 2 shows an explanatory cross-sectional profile of an example of flat polyester individual fibers for a pile portion contained in a polyester pile fabric of the present invention
  • FIG. 3 shows an explanatory cross-sectional profile another example of the flat polyester individual fibers for a pile portion contained in a polyester pile fabric of the present invention
  • FIG. 4 shows an explanatory cross-sectional profile of still another example of the flat polyester individual fibers for a pile portion contained in a polyester pile fabric of the present invention.
  • FIG. 5 shows a explanatory perspective view of a contact probe used for testing the hand of the polyester pile fabric of the present invention.
  • a polyester pile fabric 1 of the present invention comprises a ground structure portion 2 having a knitted or woven structure that is formed from polyester filament yarns, and a pile portion 3 formed from polyester filament yarns 3 a knitted or woven into the ground structure portion 2 .
  • the pile portion 3 is formed on one side of the ground structure portion 2 , and has a cut pile layer 3 a formed from the above polyester fibers.
  • the polyester fibers from which the pile portion 3 and also the cut pile layer 3 a are formed has a individual fiber thickness of 0.5 to 1.5 dtex, preferably 0.6 to 1.4 dtex and a flat cross-sectional shape.
  • the flat ratio of the cross-sectional profile of a flat polyester individual fiber for the pile portion represented by the ratio B/C1 wherein B represents the maximum width of the cross-sectional profile, and C1 represents the maximum thickness in the direction at right angles to the maximum width B direction, is from 2 to 6, preferably 3 to 5.
  • At least two pairs preferably 3 to 5 pairs of concavities (valley portions), each pair being mutually oppositely extend from opposite two sides of the profile along the maximum width B inward of the flat cross section, are formed.
  • a cross section 4 of a polyester individual fiber for a pile portion in FIG. 2 mutually oppositely protruded 3 pairs of concavities (valley portions), namely, a pair 5 a and 5 b , a pair 6 a and 6 b and a pair 7 a and 7 b , are formed from mutually opposite two sides 4 a and 4 b along the maximum length B inward of the cross section 4 .
  • two pairs of projected portions are formed on both sides of each pair of concavities (valley portions).
  • the concavities 5 a and 5 b , the concavities 6 a and 6 b and the concavities 7 a and 7 b each oppositely form a pair of concavities which are substantially symmetric with respect to the centerline 8 in the width direction of the cross section 4 .
  • each pair of the concavities is not necessarily required to be strictly symmetric.
  • the ratio C1 /C2 wherein C1 represents the maximum width of the cross section, and C2 represents a minimum value of a space between the pair of concavities, is preferably from 1.05 to 4.00, more preferably from 1.10 to 2.50.
  • a polyester individual fiber having a flat cross-sectional profile is flat.
  • polyester individual fibers from which the cut pile layer of the pile fabric of the present invention is formed has a flat cross-sectional profile.
  • On the pair of flat surfaces of the fiber at least two pairs of grooves, each pair extending along the longitudinal direction of the single filament and being mutually opposed, are formed.
  • the friction coefficient of the peripheral surface of the flat polyester individual fibers from which the cut piles are formed increases and the abrasion resistance becomes insufficient.
  • the ratio B/C1 of the flat cross-sectional profile of the flat polyester individual fiber is less than 2, the bending stiffness of the individual increases, and a desired soft hand cannot be obtained.
  • the ratio exceeds 6 the flat form is deformed or divided by the action of an external force such as abrasion, and the appearance quality is impaired.
  • the ratio C1 /C2 of a flat polyester individual fibers from which the cut piles are formed is a parameter related to the depth of the concavities (valley portion).
  • the ratio C1 /C2 is less than 1.02 (that is, when the depth of the concavities is too small)
  • the friction coefficient of the flat polyester individual fibers thus obtained increases, and the abrasion resistance becomes inadequate.
  • the ratio C1 /C2 exceeds 4.00 (that is, when the depth of the concavities becomes too large)
  • the improvement effect of the abrasion resistance created by concavities is saturated, and the spinning step is destabilized. As a result, cracks are formed in the individual fiber along the concavity portion, or uniformity of the shape and performance of the individual fiber is lowered.
  • the depths of concavities (valley) portions 5 a , 5 b , 6 a , 6 b , 7 a and 7 b are relatively shallow, and two pairs of mountainous portions, each pair being on both respective sides of a pair of concavity (valley) portions, form relatively gentle curves.
  • Flat polyester fibers having such a cross-sectional profile are characterized in that they are soft and highly lustrous.
  • the flat polyester individual fibers for a pile portion used in the present invention has an individual fiber thickness of 0.5 to 1.5 dtex, preferably 0.6 to 1.4 dtex.
  • the individual fiber thickness exceeds 1.5 dtex, the flexibility of the cut pile layer thus obtained becomes insufficient.
  • the individual fiber thickness is less than 0.5 dtex, the cut pile layer thus obtained has an adequate soft hand.
  • the mechanical strength of the cut pile fibers becomes insufficient, and the abrasion resistance of the cut pile layer becomes inadequate.
  • the flat polyester fibers for a pile portion used for the pile fabric of the present invention preferably contains a delustering agent in an amount of 2.5 mass % or less, more preferably 0 to 1.5 mass % based on the fiber mass.
  • a delustering agent used for the flat polyester filaments of the present invention can be selected from conventional delustering agents for polyester filaments.
  • a delustering agent having a high refractive index e.g., TiO 2 , SiO 2 and BaSO 4
  • a delustering agent containing TiO 2 is more preferred.
  • the polyester filaments yarns for a cut pile layer used in the present invention are preferably non-twisted yarns. When the yarns are twisted, the bending stiffness of individual filaments increases, and a desired soft hand sometimes cannot be obtained. Moreover, the polyester fiber for the cut pile layer may be crimped, or may not be crimped.
  • the polyester filaments can be crimped by a conventional procedure such as false twisting, air-jet crimping and compression crimping.
  • the percentage of crimp is preferably 1% or more (more preferably from 1 to 10%).
  • the pile height is preferably from 0.5 to 1.5 mm.
  • the pile height is less than 0.5 mm, a soft hand might be impaired.
  • the pile height exceeds 1.5 mm, the pile fibers are sometimes laid flat to lower the soft hand of the cut pile layer.
  • the distribution density of the above polyester fiber piles in the cut pile layer is preferably from 5 ⁇ 10 4 to 20 ⁇ 10 4 dtex/cm 2 , more preferably from 6 ⁇ 10 4 to 12 ⁇ 10 4 dtex/cm 2
  • the pile density cover factor is preferably 2 ⁇ 10 4 or more (more preferably from 6 ⁇ 10 4 to 2.5 ⁇ 10 5 ).
  • the pile density and the pile density cover factor influence the bathochromic effect. A higher pile density improves the bathochromic effect. However, when the pile density exceeds 1.2 ⁇ 10 5 dtex/cm 2 , the soft hand might be impaired. Moreover, when the pile density cover factor is less than 2 ⁇ 10 4 , the pile fibers might be laid flat.
  • the pile density may be calculated by counting a number of individual fibers per cm 2 , and multiplying the number by the thickness of the individual fibers.
  • the pile density cover factor may be obtained by directly counting the number of individual fibers per cm 2 , and multiplying the number by the inverse of the root of the individual fiber thickness.
  • a conventional polyester produced from a dicarboxylic acid component and a diglycol component can be used as a polyester resin for forming the flat polyester filaments for a pile portion.
  • terephthalic acid be mainly used as the dicarboxylic acid component.
  • at least one alkylene glycol selected from ethylene glycol, trimethylene glycol and tetramethylene glycol be mainly used as the diglycol component.
  • the polyester resin may be made to contain a third component in addition to the above dicarboxylic acid component and glycol component.
  • the third component examples include a cationic dye-dyeable anionic component such as sodiosulfoisophthalic acid, dicarboxylic acids other than terephthalic acid, for example, isophthalic acid, naphthalenedicarboxylic acid, adipic acid, and sebacic acid and glycol compounds other than alkylene glycols such as diethylene glycol, poly(ethylene glycol), bisphenol A and bisphenolsulfone. At least one of these compounds may be used.
  • a cationic dye-dyeable anionic component such as sodiosulfoisophthalic acid, dicarboxylic acids other than terephthalic acid, for example, isophthalic acid, naphthalenedicarboxylic acid, adipic acid, and sebacic acid and glycol compounds other than alkylene glycols such as diethylene glycol, poly(ethylene glycol), bisphenol A and bisphenolsulfone. At least one of these compounds may be used.
  • micropore-forming agents organic sulfonic acid metal salts
  • anti-coloring agents thermal stabilizers
  • flame retardants diantimony trioxide
  • fluorescent brighteners coloring pigments
  • antistatic agents sulfonic acid metal salts
  • hygroscopic agents polyoxyalkylene glycols
  • the cut pile layer of the pile fabric of the present invention is preferably formed out of the polyester cut pile fibers alone.
  • the cut pile layer may be made to contain other cut pile fibers as long as the amount is less than 30 wt %.
  • the ground structure portion of the pile fabric of the present invention has a knitted or woven structure formed out of a polyester filaments yarn.
  • the above-mentioned polyester resins may be used for forming the polyester filaments for the ground structure.
  • the content of a delustering agent is not specifically limited.
  • individual fiber thickness and total size of the polyester filaments yarn for the ground structure are preferably from 0.5 to 5.0 dtex and from 30 to 300 dtex, respectively.
  • the cross-sectional profile may be triangular, flat, flat and necked, cross, hexagonal or hollow in addition to being round.
  • the polyester filament yarn may be false twisted yarn or a composite yarn in which at least two constituent yarns are air-jet combined or composite false twisted, or it may be a covered yarn in which an elastic yarn is placed in the core portion and an inelastic yarn is placed in the sheath portion.
  • the knitted or woven structure of the pile fabric in the present invention includes a pile fabric obtained by cutting a loop pile of a fabric such as a warp pile woven fabric, a weft pile woven fabric, a sinker pile knitted fabric, a raschel pile knitted fabric or a tricot pile knitted fabric, and a pile fabric obtained by center-cutting a pile woven fabric prepared with a moquette (double weave) weaving machine.
  • the pile fabric of the present invention can be produced by, for example, the following production process.
  • polyester filament yarns for pile portion having a flat cross section with at least 2 necked portions and a cross-sectional flat ratio of 2 to 6, and an individual fiber thickness of 1.5 dtex or less is produced by, for example, spinning a polyester resin through a spinneret having injection nozzles as shown in FIG. 2 C on page 5 in Japanese Unexamined Patent Publication (Kokai) No. 56-107044.
  • a polyester filament yarns for the ground structure portion is produced by spinning a polyester resin using a conventional spinneret.
  • a pile fabric is produced from both yarns.
  • the pile portion having a knitted fabric structure is formed during the production by the following procedure.
  • the ground structure is knitted, and a loop pile structure extending thereabove such as a sinker pile, a pole tricot pile or a double raschel pile is formed, followed by forming a cut pile layer by cutting the loop pile.
  • the pole tricot pile is obtained by forming the pile knitted portion of a tricot knitted structure into a loop pile with a raising machine.
  • the pile portion having a woven fabric structure is formed by the following procedure.
  • a warp pile or weft pile woven fabric is woven, and the loop pile is cut to form a cut pile layer; or a moquette woven fabric is woven, and the pile yarn is center cut to form a cut pile layer.
  • the pile fabric of the present invention is usually preset by a dry heat treatment, and then conventionally dried and final dry heat treated.
  • the preset dry heat treatment temperature is preferably from 150 to 200° C.
  • the dyeing temperature is preferably from 130 to 135° C.
  • the final dry heat treatment temperature is preferably from 140 to 160° C.
  • a back coating layer or a pile layer may be formed on the side opposite to the cut pile layer in the ground structure portion of the pile fabric of the present invention.
  • the opposite side may be subjected to patterning by conventional etching, embossing, alkali reduction, color printing, water repellent finishing, and other various processes for imparting agents such as a UV shielding agent, an antibacterial agent, a deodorant, a mothproofing agent, a luminous agent, a retroreflecting agent and a negative ion-generating agent.
  • the polyester fibers of the cut pile layer in the pile fabric of the present invention thus obtained have a flat cross section, and the individual fiber thickness is as small as 1.5 dtex or less. As a result, the bending stiffness is low, and a good soft hand is obtained. Moreover, because constrictions are formed in the flat cross sectional profile, the contact area formed when another material is contacted with the cut pile layer is decreased. As a result, the friction resistance is small, and an excellent abrasion resistance is obtained. At the same time, the roughening effect of the constrictions produces the effect of giving a high bathochromic effect.
  • a surface property tester (trademark: KES F4, manufactured by Kato Tech Co., Ltd.) was used.
  • a fabric to be tested is cut to give a test peace, 20 cm ⁇ 20 cm.
  • the test peace was pressed with the bottom face of a contact probe having been prepared by bending 10 piano wire pieces each having a diameter of 0.5 mm under a load of 98 mN (10 gf).
  • the surface friction coefficient p of the test peace in the warp direction and that in the weft direction were each determined at a moving speed of the test peace of 0.1 cm/sec under a measurement tension of 196 mN (20 gf)/cm.
  • the number of n was 5, and the average value was obtained.
  • the abrasion resistance of a specimen of a fabric was evaluated in accordance with JIS L 1096-1990, 6.32 4 D method (Martin Dale method).
  • the specimen was rotated 20,000 times, and the change in color by abrasion is evaluated on a gray scale for a change in color.
  • the number of n was 5, and the average value was obtained.
  • the pile fallout by abrasion of a fabric was evaluated in accordance with JIS L 0894 Gakushin tester method.
  • the fabric to be tested was cut to give a test piece, 20 cm ⁇ 3 cm.
  • the test peace was rotated 10,000 times under a load of 9.8 N (1.0 kgf), and the pile fallout by abrasion of the test peace was evaluated.
  • the number of n was 5, and the average value was obtained.
  • the laying flat state of pile fibers was visually observed, and evaluated according to the following criteria: Excellent: good without laying flat; Good: usual; and Bad: not good with laying flat.
  • a poly(ethylene terephthalate) resin containing no delustering agent (titanium oxide) was extruded at a spinning temperature of 300° C. through 72 melt spinning nozzles each having a cross-sectional profile corresponding to a filament cross-sectional profile shown in FIG. 2 (each spinning nozzle having 4 circular arc-like projected portions on each of both sides of the longitudinal center line, and 3 concavity portions formed between the adjacent circular arc-like projected portions).
  • the extruded yarn was drawn by a conventional method to give a drawn multifilaments yarn having a yarn count of 88 dtex/72 filaments (individual fiber thickness of 1.2 dtex) for yarns for pile yarns.
  • the yarn for a pile yarn was composed of filaments (individual filaments) each having a cross-sectional profile as shown in FIG. 2 .
  • the cross-sectional flat ratio (B/C1) of the cross-sectional profile was 3.2.
  • the ratio (C1 /C2) of a maximum value (C1) of the width to a minimum value (C2) thereof was 1.2.
  • a drawn multifilaments yarn having a yarn count of 84 dtex/36 filaments were prepared by extruding a conventional poly(ethylene terephthalate) resin through melt spinning nozzles having a regular round cross sectional profile to spin a yarn and drawing the spun yarn.
  • a drawn yarn usable as a middle yarn for pile fabric was obtained.
  • a false twisted multifilaments yarn having a yarn count of 84 dtex/36 filaments was prepared by extruding a conventional poly(ethylene terephthalate) resin through melt spinning nozzles having a regular round cross-sectional profile to spin a yarn, drawing the spun yarn, and conventionally false twisting and crimping the drawn yarn.
  • the resultant yarn was usable as a ground yarn for pile fabric.
  • the pile fabric thus obtained had the following properties: a pile density of 9.27 ⁇ 10 4 dtex/cm 2 ; a pile density cover factor of 6.86 ⁇ 10 4 ; an individual fiber thickness of the polyester cut pile fibers of 1.2 dtex; a bathochromic effect in terms of L value of 4.92; an abrasion resistance 1 (by Martin Dale method) of class 3 to 4; an abrasion resistance 2 (Gakushin tester method) of class 3; a surface friction coefficient ⁇ in the warp direction of 0.32; a surface friction coefficient ⁇ in the weft direction of 0.297; and an excellent surface appearance.
  • the fabric therefore had a high soft hand, a high abrasion resistance and a significant bathochromic effect.
  • a pile fabric was produced in the same manner as in Example 1 with exceptions as explained below.
  • the yarn for a pile yarn was produced by extruding a conventional poly(ethylene terephthalate) resin through a regular round cross-sectional melt spinning nozzles to spin a yarn, and drawing the spun yarn.
  • the resultant drawn multifilaments yarn had a yarn count of 56 dtex/144 filaments.
  • a knitted fabric having a course density of 90 courses/2.54 cm and a wale density of 28 wales/2.54 cm was formed out of the drawn multifilament yarn.
  • the pile fabric obtained from the knitted fabric had a course density of 79 courses/2.54 cm and a wale density of 43 wales/2.54 cm.
  • the pile fabric thus obtained had the following properties: a pile density of 5.61 ⁇ 10 4 dtex/cm 2 ; a pile density cover factor of 2.31 ⁇ 10 5 ; an individual fiber thickness of the polyester cut pile fibers of 0.39 dtex; a bathochromic effect in terms of L value of 6.64; an abrasion resistance 1 (by Martin Dale method) of class 3; an abrasion resistance 2 (Gakushin tester method) of class 2; a surface friction coefficient ⁇ in the warp direction of 0.313; a surface friction coefficient ⁇ in the weft direction of 0.325; and an excellent surface appearance.
  • the fabric therefore had a poor abrasion resistance and a poor color deepening effect.
  • a pile fabric was produced in the same manner as in Example 1 with the exceptions explained below.
  • the yarn for a pile yarn was produced by extruding a conventional poly(ethylene terephthalate) resin through a regular flat cross-sectional melt spinning nozzles to a yarn, and drawing the spun yarn.
  • the drawn multifilaments yarn was a flat filament yarn having no constrictions, and had a yarn count of 88 dtex/72 filaments.
  • a knitted fabric having a course density of 90 courses/2.54 cm and a wale density of 28 wales/2.54 cm was formed out of the drawn multifilaments yarn.
  • the pile fabric obtained from the knitted fabric had a course density of 79 courses/2.54 cm and a wale density of 43 wales/2.54 cm.
  • the pile fabric thus obtained had the following properties: a pile density of 9.26 ⁇ 10 4 dtex/cm 2 ; a pile density cover factor of 6.86 ⁇ 10 4 ; an individual fiber thickness of the polyester cut pile fibers of 1.2 dtex; a bathochromic effect in terms of L value of 5.64; an abrasion resistance 1 (Martin Dale method) of class 3; an abrasion resistance 2 (Gakushin tester method) of class 2; a surface friction coefficient ⁇ in the warp direction of 0.313; a surface friction coefficient ⁇ in the weft direction of 0.325; and an excellent surface appearance.
  • the fabric therefore had a poor abrasion resistance and a poor bathochromic effect.
  • the pile fabric of the present invention has a satisfactory soft hand, high abrasion resistance and bathochromic effect, and thus can be used for automotive interior trims such as car sheets and ceiling members, home and office interiors such as upholsteries and carpets, exhibition hall interiors and fiber articles such as clothing. Accordingly, the industrial value of the pile fabric is extremely great.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
US11/628,361 2004-08-06 2005-08-04 Polyester Pile Fabric Having Excellent Soft Hand, Abrasion Resistance And Bathochromic Effect Abandoned US20080020173A1 (en)

Applications Claiming Priority (3)

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JP2004-230543 2004-08-06
JP2004230543A JP2006045731A (ja) 2004-08-06 2004-08-06 ソフトな風合いと耐摩耗性を有する深色性立毛布帛および繊維製品
PCT/JP2005/014710 WO2006014020A1 (ja) 2004-08-06 2005-08-04 ソフトな風合、耐磨耗性及び深色効果に優れたポリエステル立毛布帛

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JP (1) JP2006045731A (ja)
KR (1) KR20070039484A (ja)
CN (1) CN1965118A (ja)
TW (1) TW200609400A (ja)
WO (1) WO2006014020A1 (ja)

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US20070122585A1 (en) * 2003-12-16 2007-05-31 Tadayuki Fukuro Pile fabric and method for producing the same
CN102555936A (zh) * 2012-01-20 2012-07-11 宏达高科控股股份有限公司 一种经编起绒汽车内饰材料的生产方法
US20150313771A1 (en) * 2012-12-28 2015-11-05 Sca Hygiene Products Ab Absorbent article having fluid flow control member
US20150320615A1 (en) * 2012-12-28 2015-11-12 Sca Hygiene Products Ab Absorbent article having fluid flow control member
US10036104B2 (en) 2010-07-29 2018-07-31 Asahi Kasei Fibers Corporation Method for producing abrasion resistant polyester fiber
US11001946B2 (en) 2018-08-10 2021-05-11 GM Global Technology Operations LLC Knitted durable fabrics for use on vehicle seats

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* Cited by examiner, † Cited by third party
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JP4782472B2 (ja) * 2005-05-24 2011-09-28 帝人ファイバー株式会社 立毛布帛および繊維製品
JP2008045233A (ja) * 2006-08-14 2008-02-28 Teijin Fibers Ltd 紫外線カット性とソフトな風合いを有する編物および衣料
JP2008050722A (ja) * 2006-08-25 2008-03-06 Teijin Fibers Ltd 立毛布帛およびカーシート部材
JP2009019311A (ja) * 2007-07-13 2009-01-29 Teijin Fibers Ltd フリース立毛布帛用偏平繊維とその製造方法
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US10036104B2 (en) 2010-07-29 2018-07-31 Asahi Kasei Fibers Corporation Method for producing abrasion resistant polyester fiber
CN102555936A (zh) * 2012-01-20 2012-07-11 宏达高科控股股份有限公司 一种经编起绒汽车内饰材料的生产方法
US20150313771A1 (en) * 2012-12-28 2015-11-05 Sca Hygiene Products Ab Absorbent article having fluid flow control member
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US11001946B2 (en) 2018-08-10 2021-05-11 GM Global Technology Operations LLC Knitted durable fabrics for use on vehicle seats

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TW200609400A (en) 2006-03-16

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