WO2023058578A1 - 立体編物を含む表皮材 - Google Patents

立体編物を含む表皮材 Download PDF

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Publication number
WO2023058578A1
WO2023058578A1 PCT/JP2022/036779 JP2022036779W WO2023058578A1 WO 2023058578 A1 WO2023058578 A1 WO 2023058578A1 JP 2022036779 W JP2022036779 W JP 2022036779W WO 2023058578 A1 WO2023058578 A1 WO 2023058578A1
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WO
WIPO (PCT)
Prior art keywords
knitted fabric
stitches
yarn
yarns
composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/036779
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English (en)
French (fr)
Japanese (ja)
Inventor
秀雄 池永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp, Asahi Chemical Industry Co Ltd filed Critical Asahi Kasei Corp
Priority to CN202280050093.1A priority Critical patent/CN117642533A/zh
Priority to KR1020247010138A priority patent/KR20240046794A/ko
Priority to US18/682,472 priority patent/US12351956B2/en
Priority to MX2024003193A priority patent/MX2024003193A/es
Priority to EP22878447.6A priority patent/EP4414489B1/en
Priority to JP2023552852A priority patent/JP7705948B2/ja
Publication of WO2023058578A1 publication Critical patent/WO2023058578A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • 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
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics 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
    • D04B21/14—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
    • 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
    • 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
    • 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
    • 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
    • D10B2403/021—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
    • D10B2403/0213—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics with apertures, e.g. with one or more mesh fabric plies
    • 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
    • D10B2505/00—Industrial
    • D10B2505/08—Upholstery, mattresses

Definitions

  • the present invention relates to a skin material.
  • a three-dimensional knitted fabric composed of a knitted fabric with two layers on the front and back and a connecting yarn that connects the two layers of knitted fabric has a cushioning property in the thickness direction by using a monofilament for the connecting yarn, and furthermore, the front and back surfaces.
  • the knitted fabric is made into a mesh structure to ensure high breathability, and is widely used as a cushioning material that is cool and highly resistant to stuffiness, such as seats and bedding.
  • the knitted fabric of the surface layer of the three-dimensional knitted fabric is required to have a design, and needle selection for the knitted fabric of the surface layer
  • Patent Document 1 in a three-dimensional weft knitted fabric in which two layers of weft knitted fabrics on the front and back are connected by monofilament yarns, at least one of the knitted fabric surfaces of the front and back knitted fabrics has a pattern and/or colored yarns selected by needle selection.
  • a three-dimensional flat knitted fabric that has excellent design properties by having a switchable pattern.
  • the knitted fabric surface of the three-dimensional weft knitted fabric of Patent Document 1 is designed by switching the color yarn and switching the pattern by selecting needles, but the color change is caused by each large stitch. Since each stitch is too distinct, it is difficult to impart a natural heathered design.
  • the problem to be solved by the present invention is to solve the problems of the above-described prior art, and to provide a three-dimensional knitted fabric for seats such as vehicles and furniture and skin materials such as interior materials for vehicles.
  • a knitted fabric is composed of a surface layer knitted fabric, a back layer knitted fabric, and a connecting yarn that connects the surface layer knitted fabric and the back layer knitted fabric.
  • 30% or more of the stitches included in the surface layer knitted fabric are formed of composite yarns containing two or more different color yarns, and are formed of the composite yarns.
  • the stitches formed of the composite yarn and the stitches adjacent in the course direction and / or the wale direction are arranged at an angle so that the stitches are arranged at an angle.
  • a skin material including a three-dimensional knitted fabric composed of a surface layer knitted fabric, a back layer knitted fabric, and a connecting yarn that connects the surface layer knitted fabric and the back layer knitted fabric, wherein the surface layer knitted fabric is 30% or more of the stitches included are formed with a composite yarn containing two or more different color yarns, and 30% or more of the stitches formed with the composite yarn are formed with the composite yarn
  • a skin material characterized in that a stitch and a stitch adjacent in the course direction and/or the wale direction form an angle of 20 degrees or more and 80 degrees or less.
  • the stitches formed by the composite yarn and the stitches adjacent to each other in the course direction and/or the wale direction have an angle of 20 degrees or more and 80 degrees or less.
  • the three-dimensional knitted fabric has an opening of 0.3 mm or more and 2.5 mm or less, and 30% or more of the stitches formed of the composite yarn have the opening of 0.3 mm or more and 2.5 mm or less.
  • the stitches formed with the composite yarn 30% or more of the stitches are stitches formed with a color yarn different from at least one type of color yarn of the composite yarn, and the course direction and / or wale direction
  • the knitting density of the surface layer knitted fabric is 20 courses/2.54 cm or more and 43 courses/2.54 cm or less and 18 wales/2.54 cm or more and 34 wales/2.54 cm or less, [1]-[ 9] The skin material according to any one of the above.
  • the skin material including the three-dimensional knitted fabric of the present invention is obtained by knitting composite yarns containing two or more different color yarns into the surface layer knitted fabric of the three-dimensional knitted fabric, and stitches formed by the composite yarns in the course direction and / or wale direction. By giving a certain angle to adjacent stitches, it exhibits a design with a high natural heathered feel.
  • FIG. 2 is a schematic diagram of an example of the present embodiment in which stitches formed by composite yarns of a surface layer knitted fabric and adjacent stitches in the course direction form an angle.
  • FIG. 2 is a schematic diagram of an example of the present embodiment in which stitches formed by composite yarns of a surface layer knitted fabric and adjacent stitches in the wale direction form an angle.
  • Fig. 2 is a schematic diagram of an example of the present embodiment in which stitches formed of composite yarns of the surface knitted fabric face openings.
  • the skin material of the embodiment of the present invention (also referred to as this embodiment) is composed of a surface layer knitted fabric, a back layer knitted fabric, and a connecting yarn that connects the surface layer knitted fabric and the back layer knitted fabric.
  • the skin material of this embodiment includes a three-dimensional knitted fabric composed of a surface layer knitted fabric, a back layer knitted fabric, and connecting yarns that connect the two layers of knitted fabrics.
  • the three-dimensional knitted fabric is knitted by a double Raschel warp knitting machine or a double circular knitting machine, and the gauge of the knitting machine is preferably 18 to 32 gauge.
  • 30% or more of the stitches included in the surface layer knitted fabric are formed of composite yarns containing two or more different color yarns.
  • a composite yarn containing two or more different colored yarns means that two or more kinds of yarns having different color characteristics such as hue, saturation, brightness, gloss, etc. are twisted, interlaced, air-jet processed, It refers to yarn that has been compounded by processing such as compound false twisting.
  • the two or more different colored yarns refer to pre-colored yarns such as original-dyed yarns and yarn-dyed yarns. Any thread can be used.
  • the two or more different colored yarns are more preferably pre-dyed yarns or pre-dyed yarns, and are pre-dyed yarns that can eliminate the need for a dyeing process. More preferred.
  • uncolored white shall be included in a colored thread.
  • the ratio of stitches formed with the composite yarn is the number of stitches formed with the composite yarn with respect to the total number of stitches in a certain area (for example, 1 cm square) when viewing an arbitrary place on the surface layer knitted fabric from the front side. calculated by the method of calculating the ratio of By forming 30% or more of the stitches included in the surface layer knitted fabric with composite yarns containing two or more different color yarns, the surface layer knitted fabric has a natural heathered appearance.
  • the ratio of stitches formed by the composite yarn is more preferably 50% or more, and still more preferably 60% or more.
  • 30% or more of the stitches formed with composite yarns containing two or more different color yarns of the surface knitted fabric are stitches formed with the composite yarn. and adjacent stitches in the course direction and/or wale direction form an angle of 20 degrees or more and 80 degrees or less.
  • the ratio of the stitches is more preferably 50% or more, still more preferably 60% or more.
  • the ratio of stitches formed with composite yarns containing two or more different colored yarns forming an angle is within a certain area (for example, 1 cm square) when viewed from the front side at any location on the surface knitted fabric. It is calculated by a method of calculating the ratio of the number of stitches of the composite yarn forming an angle of 20 degrees or more and 80 degrees or less with the adjacent stitches to the total number of stitches of the composite yarn.
  • the stitches formed of the composite yarns are in the course direction and/or the wale direction. It does not line up too linearly, exhibits a more natural heathered tone, and at the same time, provides a marbled heathered pattern in which the color flows in a substantially oblique direction, which is preferable because it enhances the design.
  • the angle is more preferably 30 degrees or more and 70 degrees or less.
  • FIG. 1 Schematic diagram of a state where adjacent stitches in the course direction (horizontal direction) form an angle of X degrees with respect to the angle formed by the adjacent stitches and the stitches formed by the composite yarn containing two or more different color yarns. is shown in FIG. 1, and a schematic diagram of a state in which stitches adjacent in the wale direction (longitudinal direction) form an angle of Y degrees is shown in FIG.
  • one stitch 1 formed of composite yarns containing two or more different color yarns 2 consisting of left and right fiber bundles A straight line connecting the lowest point (a) where the pillar can be seen and the highest point (b) where the pillar can be seen in one of the pillars (4, 5) of the book, which includes the part on the outermost side (4) Subtract L1.
  • one of the two pillars (6, 7) including the portion on the outermost surface side In (7), a straight line L2 is drawn connecting the lowest point (c) where the pillar can be seen and the highest point (d) where the pillar can be seen.
  • the angle of the opening in the knitting end direction formed by the intersection of the obtained straight lines L1 and L2 is assumed to be X degrees.
  • the straight line L3 connects the lowest point (e) where the pillar can be seen and the highest point (f) where the pillar can be seen in one of the pillars (9) including the portion on the outermost surface side.
  • the angle of the opening in the knitting end direction formed by the intersection of the obtained straight lines L1 and L3 is assumed to be Y degrees.
  • One stitch formed of composite yarns containing two or more different color yarns and an adjacent stitch may be the same composite yarn as the composite yarn, or may be a different color yarn as the composite yarn.
  • the adjacent stitches are stitches formed with a different color yarn from at least one type of color yarn of the composite yarn, a more natural heathered tone or a geometrical texture may be obtained depending on the knitting structure. It becomes heather tone including a pattern and is preferable.
  • the opening in the present embodiment means that in the stitch rows continuous in the warp direction forming the surface layer knitted fabric, the adjacent stitch rows are 0.3 mm or more in the course direction (horizontal direction) in some or all courses. It refers to a gap formed by opening a gap, and even if the pattern yarn is inserted and knitted so as to fill the gap, it is regarded as an opening.
  • the ratio of stitches formed by composite yarns containing two or more different colored yarns facing openings of 0.3 mm or more and 2.5 mm or less is more preferably 40% or more, and still more preferably 50% or more. be.
  • the ratio of the stitches facing the opening is the composite yarn containing two or more different color yarns in a certain area (1 cm square as an example) when viewed from the front side at any place on the surface knitted fabric. It is calculated by a method of calculating the ratio of the number of stitches facing the opening of 0.3 mm or more and 2.5 mm or less to the total number of stitches.
  • FIG. 3 shows a schematic diagram showing a state in which The opening refers to the opening facing both the left and right sides of the left and right columns (4, 5) of the stitch 1, and the opening size is the course direction (horizontal direction) at the opening. Indicates the length of a straight line connecting two points with the longest straight distance on a horizontal line.
  • the back knitted fabric is a composite of the surface knitted fabric in order to make the appearance more three-dimensional. It is more preferable to use a colored thread such as black, which is darker than the color of at least one type of colored thread, because the dark color of the back layer knitted fabric seen through the opening makes the colored pattern of the composite thread stand out. .
  • any part of the surface knitted fabric can be formed into a mesh structure or a ridge structure. Then, a method of arranging the composite yarns at the positions of the openings of the mesh structure or ridge structure is preferably used.
  • Any warp knitting structure can be used to make the surface layer knitted fabric into a mesh structure or a ridge structure.
  • the mesh structure at least two reeds of the knitting machine are used, and when the yarn is supplied from the guide bar, a mesh structure with a yarn extraction arrangement such as 1-in-1-out or 2-in-2-out can be used.
  • a yarn extraction arrangement such as 1-in-1-out or 2-in-2-out is used, and two guides are used.
  • a method of gathering stitch rows to form a convex ridge structure is preferred.
  • all courses of the knitted fabric do not have to be the same mesh structure or ridge structure, and some courses may have a structure in which different knit structures are combined.
  • the opening formed in the surface layer knitted fabric at least one type of color yarn of composite yarns containing two or more different types of color yarns forming the surface layer knitted fabric and pattern yarns with different appearances such as color, shape, and gloss
  • the insertion knitting is performed across the opening at an arbitrary angle in a substantially vertical direction, a substantially horizontal direction, or a substantially oblique direction when viewed from the front side of the surface layer knitted fabric, the design with a deeper feeling can be obtained. It is desirable because it is presented.
  • the appearance of the surface layer knitted fabric has a more natural heathered feel, and when the surface layer knitted fabric is rubbed on the surface by a hard protrusion such as a hook portion of a hook-and-loop fastener,
  • the fineness of the composite yarn that is, the total fineness of the two or more different colored yarns is 150 decitex or more. It is preferably up to 800 decitex.
  • the single yarn fineness of the composite yarn is preferably 1 decitex or more and 6 decitex or less, and more preferably 3 decitex or more and 6 decitex or less to increase the strength of the single yarn.
  • the knitting density of the surface layer knitted fabric is 20 courses/2.54 cm or more and 43 courses/2.54 cm or less and 18 wales/2.54 cm or less and 18 wales/2. It is preferably 54 cm or more and 34 wales/2.54 cm or less, more preferably, the total fineness of the composite yarn is 200 decitex or more and 500 decitex or less, and the knitting density is 25 courses/2.54 cm or more and 43 courses/2.54 cm or less. and 20 wales/2.54 cm or more and 30 wales/2.54 cm or less. From the same point of view, the total fineness of one stitch of the surface layer knitted fabric is preferably 150 decitex or more and 800 decitex or less.
  • the stitch formed with composite yarns containing two or more different color yarns does not need to be formed only with a single composite yarn, and may be combined with other yarns to form one stitch. good.
  • a monofilament is preferable as the fiber used for the connecting yarn of the three-dimensional knitted fabric of the present embodiment.
  • its fineness is preferably 30 decitex or more and 300 decitex or less, more preferably 50 decitex or more and 250 decitex, in order to suppress the monofilament from protruding to the surface of the knitted fabric and to maintain good cushioning properties. Decitex or less. If the monofilament protrudes on the knitted fabric surface of the three-dimensional knitted fabric, it is likely to be caught by protrusions such as the hook part of the hook-and-loop fastener.
  • the total fineness D (decitex) of one stitch made up of the fibers forming the surface layer knitted fabric, and the monofilament fineness D2 (decitex) is the following relational expression: D/D2 ⁇ 3 is preferably satisfied.
  • arbitrary fibers can be used for the surface layer knitted fabric, the back layer knitted fabric, and the connecting yarn.
  • Long fibers of polyethylene terephthalate fibers are preferably used for the knitted fabric.
  • the surface layer knitted fabric, the back layer knitted fabric, and the connecting yarn are preferably made of 100% polyethylene terephthalate fiber in terms of ease of recycling such as material recycling and chemical recycling.
  • these fibers may be undyed, it is preferable to use pre-dyed yarns or pre-dyed yarns in order to suppress fluctuations in the properties of the three-dimensional knitted fabric during dyeing.
  • the thickness of the three-dimensional knitted fabric of the present embodiment can be set arbitrarily, it is preferably 2.5 mm or more and 12 mm or less, more preferably 3 mm or more and 8 mm or less, in terms of sewing and handling properties as a skin material.
  • the basis weight of the three-dimensional knitted fabric constituting the skin material of this embodiment can be arbitrarily set, but is preferably 300 to 1000 g/m 2 , more preferably 400 to 900 g/m 2 .
  • the gray fabric in the case of a three-dimensional knitted fabric using yarn-dyed yarn or dope-dyed yarn, the gray fabric can be finished through processes such as scouring and heat setting. It is more preferable to finish only with a set.
  • the green fabric in the case of a three-dimensional knitted fabric in which any of the fibers used for the surface layer knitted fabric, the back layer knitted fabric, or the connecting yarn is uncolored, the green fabric can be finished through processes such as presetting, scouring, dyeing, and heat setting.
  • the skin material of this embodiment can be laminated with urethane on the back like conventional skin materials when it is used for seat seats, interior materials of automobiles, etc., but it is more recyclable if it is used without lamination. preferred in terms of
  • opening size (mm) From the 3D image photographed in (a) above, the horizontal line in the course direction (horizontal direction) has the longest linear distance in the opening facing the stitch formed with composite yarns containing two or more different colored yarns. The length obtained by connecting the two points with a straight line is measured and taken as the opening size.
  • Example 1 Using a 22-gauge double raschel knitting machine equipped with 6 reeds and a hook distance of 6 mm, 167 decitex 48 filament polyethylene terephthalate fibers (black dope-dyed yarn) are produced from the two reeds (L1, L2) that form the surface knitted fabric.
  • 1-in-1-out (L1) and 1-out composite yarn made by aligning two false-twisted textured yarns of false-twisted textured yarn and 167 decitex 48-filament polyethylene terephthalate fiber (white yarn) and twisting them at a twist number of 120 times / m.
  • Monofilaments of 110 decitex polyethylene terephthalate fibers are supplied in a 1-in (L2) arrangement, and monofilaments of 110 decitex polyethylene terephthalate fibers (black dope-dyed yarns) are supplied in a 1-in-1-out arrangement from one reed (L3) forming a connecting portion, and A false-twisted yarn of polyethylene terephthalate fiber (black dope-dyed yarn) of 167 decitex 48 filaments was supplied from two reeds (L4, L5) forming the back layer knitted fabric in an all-in arrangement.
  • a three-dimensional knitted greige fabric was knitted with the following knitting structure, with on-machine courses of 35 courses/2.54 cm.
  • Example 2 A three-dimensional knitted fabric was knitted in the same manner as in Example 1 except that the knitting structure shown below was used. The obtained greige fabric was heat-set in the same manner as in Example 1 to obtain a three-dimensional knitted fabric having various physical properties shown in Table 1 below, which was used as a skin material.
  • L4 1110/0001/ (all in)
  • L5 2210/2234/ (all in)
  • Example 3 A three-dimensional knitted fabric was knitted in the same manner as in Example 1 except that the knitting structure shown below was used. The obtained greige fabric was heat-set in the same manner as in Example 1 to obtain a three-dimensional knitted fabric having various physical properties shown in Table 1 below, which was used as a skin material.
  • L1 (1011/2322/) x 3 (1011/1211/) x 3 (1 in 1 out)
  • L2 (2322/1011/) x 3 (3233/3433/) x 3 (1 out 1 in)
  • L3 (3410/4367/) x 3 (4367/3410/) x 3 (1 in 1 out)
  • L4 1110/0001/ (all in)
  • L5 2210/2234/ (all in)
  • Example 4 A three-dimensional knitted fabric was knitted in the same manner as in Example 1 except that the knitting structure shown below was used. The obtained greige fabric was heat-set in the same manner as in Example 1 to obtain a three-dimensional knitted fabric having various physical properties shown in Table 1 below, which was used as a skin material.
  • L5 2234/2210/ (all in)
  • Examples 5-7 Using a 22-gauge double raschel knitting machine equipped with 6 reeds and a hook distance of 6 mm, 167 decitex 48 filament polyethylene terephthalate fibers (black dope-dyed yarn) are produced from the two reeds (L1, L2) that form the surface knitted fabric.
  • the false twisted textured yarn of the fiber was prepared in the order of two composite yarns, one 334/72 false twisted yarn (Example 5), one composite yarn, and one 334/72 false twisted yarn.
  • Example 6 In order (Example 6), one composite yarn and two 334/72 false twist textured yarns (Example 7), 1 in 1 out (L1) and 1 out 1 in (L2) with respect to the guide Three-dimensional knitted fabrics with different mixture ratios of composite yarns were knitted in the same manner as in Example 1, except that they were supplied in an array.
  • the obtained greige fabric was dry-heat-set in the same manner as in Example 1 to obtain a three-dimensional knitted fabric having various physical properties shown in Tables 1 and 2 below, which was used as a skin material.
  • a monofilament of polyethylene terephthalate fiber (black dope-dyed yarn) of 200 dtex is supplied from a reed (L3) in a 1-in-1-out arrangement, and further from two reeds (L4, L5) that form the knitted fabric of the back layer.
  • False-twisted textured yarns of 167 decitex 48 filament polyethylene terephthalate fibers (black dope-dyed yarns) were all supplied in an all-in arrangement.
  • a three-dimensional knitted greige was knitted with the knitting structure shown below with 16 courses/2.54 cm on the machine.
  • the obtained greige fabric was heat-set in the same manner as in Example 1 to obtain a three-dimensional knitted fabric having various physical properties shown in Table 2 below, which was used as a skin material.
  • (knitted structure) L1: 1011/2322/ (all in) L2: 2322/1011/ (all in) L3: 3410/4367/(1 in 1 out) L4: 1110/0001/ (all in) L5: 2210/2234/ (all in)
  • the skin materials made of the three-dimensional knitted fabrics of Examples 1 to 7 in which 30% or more of the stitches included in the surface layer knitted fabric contain composite yarns of two different color yarns are the surface layer knitted fabric does not contain a composite yarn of two different color yarns, and comparative example 1 in which stitches of different colors made of two different color yarns supplied from different reeds are alternately arranged, and two different color yarns Compared to Comparative Example 2 in which the stitch ratio of the composite yarn in which the angle between the stitch formed by the composite yarn and the adjacent stitch is 20 degrees or more and 80 degrees or less is less than 30%, it has a high design with a natural heathered appearance. It was an indication of sexuality.
  • the upholstery material of the present invention is placed on a cushion member such as a urethane pad of a seat of a vehicle or furniture, a seat formed by being stretched on a seat frame, a vehicle ceiling, a door trim, or the like.
  • a cushion member such as a urethane pad of a seat of a vehicle or furniture, a seat formed by being stretched on a seat frame, a vehicle ceiling, a door trim, or the like.
  • It is a skin material that can be used for interior materials, and is suitably used as a skin material that exhibits high designability with a heathered appearance by configuring the surface layer knitted fabric with composite yarns composed of two or more different colored yarns. It is possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Laminated Bodies (AREA)
PCT/JP2022/036779 2021-10-04 2022-09-30 立体編物を含む表皮材 Ceased WO2023058578A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN202280050093.1A CN117642533A (zh) 2021-10-04 2022-09-30 包含立体编织物的表皮材料
KR1020247010138A KR20240046794A (ko) 2021-10-04 2022-09-30 입체 편물을 포함하는 표피재
US18/682,472 US12351956B2 (en) 2021-10-04 2022-09-30 Covering material including three-dimensional knitted material
MX2024003193A MX2024003193A (es) 2021-10-04 2022-09-30 Material de recubrimiento que incluye material tejido de punto tridimensional.
EP22878447.6A EP4414489B1 (en) 2021-10-04 2022-09-30 Covering material including three-dimensional knitted material
JP2023552852A JP7705948B2 (ja) 2021-10-04 2022-09-30 立体編物を含む表皮材

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MX2024003193A (es) 2024-03-27
US20250137175A1 (en) 2025-05-01
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JPWO2023058578A1 (https=) 2023-04-13
EP4414489A4 (en) 2025-03-05
EP4414489B1 (en) 2026-03-04
CN117642533A (zh) 2024-03-01
KR20240046794A (ko) 2024-04-09
JP7705948B2 (ja) 2025-07-10

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