JP4839932B2 - Sheep-shaped napped pile fabric with less fuzzing - Google Patents

Description

  The present invention relates to a napped pile fabric having a sheep shape made of an acrylic synthetic fiber. More specifically, the present invention relates to a napped pile fabric having a sheep shape formed by combining acrylic synthetic fibers having different fiber lengths.

  In order to obtain a napped pile fabric in which the pile portion has a sheep shape, that is, a curled shape like natural wool, conventionally, fibers with small fineness have been used, but when such fibers are used, When the fiber length of the fibers constituting the pile portion is increased, in the tumbling process performed to express the sheep shape, the ends of the fiber tresses formed by intertwining several to several hundred short fibers are twisted, There was a problem that the texture was remarkably impaired. In addition, among fibers constituting the pile portion in order to reduce the twist between the ends of the fiber tuft, if the longest fiber having a fineness of more than 12 dtex is used, the fiber becomes strong and the single fiber is used in the tumbling process. It became difficult to entangle each other, and a sheep shape with a sharp hair tip shape could not be obtained.

  Further, in order to obtain artificial fur having properties close to natural fur, a fur-like pile fabric formed by forming aggregate units such as the above-described fiber tufts from fibers having different lengths and a method for producing the same are proposed (for example, , See Patent Document 1). However, in such a fur-like pile fabric, the pile portion did not have a curled shape like natural wool. Further, an adhesive is used to make the tip of the collective unit a brush tip, and in order to obtain such a fur-like pile fabric, it is necessary to go through an adhesion step using the adhesive.

JP-A-2-139476

  Therefore, in view of the above-described situation, the present invention intends to solve a pile portion in which the twisting of the fiber tufts formed by intertwining several to several hundred short fibers is reduced. The object of the present invention is to provide a napped pile fabric having a sheep shape, that is, a curled shape like natural wool.

  The present invention solves the above-mentioned problems by combining fibers having a certain range of fineness and fiber length.

  That is, in the present invention, 20 to 50% by weight of an acrylic synthetic fiber (A) having a fineness of 5 to 12 dtex and a fiber length of 70 to 155 mm, a fineness of 2 to 8 dtex, and a fiber length of 44 as fibers constituting the pile portion. A napped pile fabric containing 10 to 70% by weight of acrylic synthetic fiber (B) of ~ 65 mm and 10 to 50% by weight of acrylic synthetic fiber (C) having a fineness of 1 to 6 dtex and a fiber length of 20 to 43 mm Further, the present invention relates to a napped pile fabric in which a tumbling process is performed to make a pile portion a sheep shape.

  Here, the pile portion refers to the root of the acrylic synthetic fiber, more specifically, from the pile fabric ground surface constituted by the ground yarn to the tip of the fiber in the napped pile fabric, as shown in FIG. This is the part indicated by reference numeral 1. In addition, tumbling is a process in which a pile fabric is rotated in a drum tumbling dryer to give physical force and heat is applied to the fibers constituting the pile portion into fiber tresses. And a curled shape.

  Further, the acrylic synthetic fiber (A) is contained in an amount of 20 to 40% by weight, the acrylic synthetic fiber (B) in an amount of 35 to 50% by weight, and the acrylic synthetic fiber (C) in an amount of 20 to 40% by weight. preferable.

  Furthermore, the fiber length of the acrylic synthetic fiber (A) is 80 to 130 mm, the fiber length of the acrylic synthetic fiber (B) is 44 to 60 mm, and the fiber length of the acrylic synthetic fiber (C). Is preferably 25 to 40 mm.

  Moreover, it is preferable that the average pile length of the acrylic synthetic fiber (A) which comprises a pile part is 60-130 mm.

  Here, the pile length of the acrylic synthetic fiber (A) is the root of the acrylic synthetic fiber (A) constituting the pile portion, more specifically, from the pile fabric ground surface constituted by the ground yarn. This refers to the length to the tip, and is the length indicated by the symbol B in FIG. The average pile length is obtained by measuring the pile length at 10 locations and calculating the average value.

  Furthermore, it is preferable that the polymer which comprises the said acrylic synthetic fiber (A), (B) and (C) consists of a polymer which contains 30 to 70 weight% of acrylonitrile.

  In the napped pile fabric according to the present invention as described above, the fibers constituting the pile portion have a sheep shape, the wrinkles between the ends of the fiber tufts are reduced, and a hair ball like a knot is formed on the ends of the ends. It is difficult to form and the hair ends are sharp.

  Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these examples.

  FIG. 1 is a schematic view showing a cross-sectional view of a napped pile fabric according to the present invention, and FIG. 2 is a schematic view showing a cross-section of the napped pile fabric according to the present invention before tumbling. The pile portion, 2 is a pile fabric, 4 is a long pile portion, 5 is a middle pile portion, and 6 is a short pile portion.

  In the present invention, as described above, 20 to 50% by weight of acrylic synthetic fiber (A) having a fineness of 5 to 12 dtex and a fiber length of 70 to 155 mm and a fineness of 2 to 8 dtex are used as the fibers constituting the pile portion. Napped fibers containing 10 to 70% by weight of acrylic synthetic fiber (B) having a length of 44 to 65 mm and 10 to 50% by weight of acrylic synthetic fiber (C) having a fineness of 1 to 6 dtex and a fiber length of 20 to 43 mm The present invention relates to a napped pile fabric in which a pile portion (reference numeral 1 in FIG. 1) is subjected to a tumbling process to form a sheep shape.

  When the fineness of the acrylic synthetic fiber (A) is less than 5 dtex or the fiber length exceeds 155 mm, the fibers are weakened, so that the entanglement between the short fibers becomes strong, and the sheep shape is expressed. In the tumbling step, the hair ends of the fiber tress formed by intertwining several to several hundreds of short fibers are easily twisted. On the other hand, if the fineness of the acrylic synthetic fiber (A) exceeds 12 dtex, the fiber becomes strong, so that the short fibers are less likely to be entangled in the tumbling step performed to express the sheep shape, and natural wool Such a sheep shape cannot be obtained.

  Further, if the fineness of the acrylic synthetic fiber (B) is less than 2 dtex, a nep is likely to occur in the carding process when producing a napped pile fabric, and it becomes difficult to form a sliver. On the other hand, when the fineness of the acrylic synthetic fiber (B) exceeds 8 dtex, the fiber becomes strong, so that the short fibers are less likely to be entangled in the tumbling step performed to develop the sheep shape, and natural wool Such a sheep shape cannot be obtained.

  Further, if the fineness of the acrylic synthetic fiber (C) is less than 1 dtex, a nep is likely to occur in the carding process when producing a napped pile fabric, making it difficult to form a sliver. On the other hand, when the fineness of the acrylic synthetic fiber (C) exceeds 6 dtex, the fiber becomes strong, so that the short fibers are less likely to be entangled in the tumbling step performed to express the sheep shape, like natural wool. Sheep shape cannot be obtained.

  As described above, the fiber length of the fiber constituting the pile portion is 70 to 155 mm for the acrylic synthetic fiber (A), 44 to 65 mm for the acrylic synthetic fiber (B), and acrylic synthetic fiber. By setting the fiber length of (C) within the range of 20 to 43 mm, for example, as shown in FIG. 2, the steps of the long pile portion, the middle pile portion, and the short pile portion are clarified, and after the tumbling process is performed. As shown in FIGS. 1 (a) to 1 (c), a pile fabric having a sheep shape such as natural wool can be obtained with a sufficient pile amount at the base of the pile portion and a sharp shape at the tip of the pile portion. . Further, the fiber length of the acrylic synthetic fiber (A) is 80 to 130 mm, the fiber length of the acrylic synthetic fiber (B) is 44 to 60 mm, and the fiber length of the acrylic synthetic fiber (C) is in the range of 25 to 40 mm. By doing so, the pile part tip can be further curled and a pile fabric with a sharper hair tip can be obtained.

  In the present invention, the “sheath shape” means that the pile portion (reference numeral 1 in FIG. 1) is composed of fiber bunches and has a curled shape as a whole like natural wool. Further, the degree of curling is preferably within the range shown in FIGS.

  By making the content of the acrylic synthetic fiber (A) in the fibers constituting the pile part 20 to 50% by weight, the pile part has a sharp tip, and a pile having a sheep shape like natural wool A fabric is obtained. When the fiber (A) is less than 20% by weight, the fiber density at the tip of the pile portion becomes sparse and the fiber tuft becomes sparse, so that a sheep shape like natural wool cannot be obtained. On the other hand, when the content of the acrylic synthetic fiber (A) in the fibers constituting the pile portion exceeds 50% by weight, the fiber density at the tip of the pile portion becomes dense and does not become a sharp shape, which is like natural wool. Sheep shape cannot be obtained.

  In addition, by setting the content of the acrylic synthetic fiber (C) in the fibers constituting the pile portion to 10 to 50% by weight, the hair amount at the root of the pile portion becomes sufficient, and the thickness of the root portion of the fiber tuft is increased. The thickness (dimension A in FIG. 1) is an appropriate thickness of 5 to 20 mm, and a sheep shape like natural wool is obtained. When the content of the fiber (C) is less than 10% by weight, the pile base is sparse, so a sheep shape like natural wool cannot be obtained. On the other hand, when the content of the acrylic synthetic fiber (C) in the fibers constituting the pile part exceeds 50% by weight, the root of the pile part becomes too dense, so that a sheep-like shape like natural wool is obtained. Absent.

  In addition, the content of the acrylic synthetic fiber (B) in the fibers constituting the pile portion is 100 in total of the fibers (A) to (C) depending on the contents of the fibers (A) and (B). It is appropriately set within the range of 10 to 70% by weight so as to be weight%. By making the content of the fiber (B) in the range of 10 to 70% by weight, the hair amount at the base of the pile part becomes sufficient, and the thickness of the base part of the fiber tuft (dimension A in FIG. 1). ) Becomes an appropriate thickness of 5 to 20 mm, and a sheep shape like natural wool is obtained.

  Furthermore, as a fiber which comprises a pile part, 20-40 weight% of the said acrylic synthetic fiber (A), 35-50 weight% of the said acrylic synthetic fiber (B), and the said acrylic synthetic fiber (C) Is contained in an amount of 20 to 40% by weight, thereby providing a pile fabric having a sheep shape resembling natural wool with a pile portion having a more bristle amount and a sharper tip of the pile portion. It is done.

  Moreover, as an average pile length (dimension B in FIG. 2) of the acrylic synthetic fiber (A) which comprises a pile part, in order to obtain the pile fabric which has a sheep shape similar to natural wool, 60-130 mm Is preferable.

  The acrylic synthetic fibers (A), (B) and (C) in the present invention are those in which the polymer constituting the fiber contains 30% by weight or more of acrylonitrile, and the pile fabric has an excellent texture and feel. In order to give, it is preferable to consist of a polymer containing 30 to 70% by weight of acrylonitrile, more preferably a polymer containing 40 to 60% by weight of acrylonitrile.

  The polymer is 30 to 70% by weight of acrylonitrile, 65 to 2% by weight of another vinyl monomer copolymerizable with acrylonitrile, and 0 to 0% of a sulfonic acid group-containing vinyl monomer copolymerizable with these. More preferably, it is made of a copolymer containing 10% by weight. Examples of vinyl monomers copolymerizable with acrylonitrile include vinyl halides represented by vinyl chloride, vinylidene chloride, vinyl bromide, vinylidene bromide, and the like, and vinylidene halides, acrylic acid, and methacrylic acid. Unsaturated carboxylic acids and their salts, acrylates and methacrylates typified by methyl acrylate and methyl methacrylate, esters of unsaturated carboxylic acids typified by glycidyl methacrylate, and typified by vinyl acetate and vinyl acetate Vinyl esters such as acrylamide and methacrylamide, methallylsulfonic acid and other known vinyl compounds such as vinyl pyridine, methyl vinyl ether, methacrylonitrile, etc., one or more of these Copolymerized Obtained may be an acrylic copolymer.

  Examples of the sulfonic acid group-containing vinyl monomer include styrene sulfonic acid, parastyrene sulfonic acid, acrylic sulfonic acid, methallyl sulfonic acid, parameter acryloyloxybenzene sulfonic acid, methacryloyloxypropyl sulfonic acid, or metal salts thereof. Amine salts and the like can be used.

  In the acrylic synthetic fibers (A), (B), and (C) in the present invention, an antistatic agent, a thermal coloring inhibitor, a light fastness improver, a whiteness improver, and a devitrification preventive agent are added as necessary. In addition, other additives such as a colorant and a flame retardant may be contained.

  The pile fabric which made the pile part in this invention into the sheep shape can be manufactured as follows, for example. That is, an antistatic agent is applied to the acrylic synthetic fibers (A), (B), and (C) as necessary, defibrating and blending with an opener, and then a sliver is produced using a card machine. . Using this sliver, a pile fabric is knitted with a sliver knitting machine. Next, back coating is performed on the back surface of the pile with an adhesive such as an acrylic ester adhesive. Thereafter, when the acrylic synthetic fibers (A) to (C) are high nitrile fibers containing acrylonitrile in an amount of more than 80% by weight, polishing at 175 ° C. is performed twice, followed by brushing once. Further, the length of the pile having a step by removing 160 ° C. polishing twice, 140 ° C. polishing twice, 120 ° C. polishing twice, and 100 ° C. polishing twice, and removing the crimp on the napped surface layer portion. A napped pile fabric is produced. When the acrylic synthetic fibers (A) to (C) are modacrylic fibers containing 30 to 80% by weight of acrylonitrile in the polymer, polishing at 155 ° C. is performed twice, followed by brushing once, and further at 145 ° C. Napping polishing, piling at 130 ° C. twice, 120 ° C. polishing twice, 100 ° C. polishing twice, and removing the crimp on the napped surface layer portion to raise a pile length having a pile length Fabric is made. Further, using a drum tumbling dryer, in the case of high nitrile fiber, tumbling is performed for 15 minutes to 25 minutes within a drying temperature range of 120 ° C. to 140 ° C., and a napped pile fabric having a sheep shape is produced. . In the case of modacrylic fibers, tumbling is performed for 15 minutes to 25 minutes within a drying temperature range of 100 ° C. to 120 ° C. to produce a napped pile fabric having a sheep shape. In the present invention, such a tumbling process can form a fiber tuft having a sharp tip shape and a curled shape as a whole, so that it is not necessary to use an adhesive or the like.

  EXAMPLES Hereinafter, although an Example demonstrates this invention concretely, this invention is not limited to these at all. Prior to description of the examples, analysis measurement conditions and evaluation methods will be described.

(1) Fineness Measurement The fineness was measured using a motorcycle bro fineness measuring instrument Deni Computer DC-11 (manufactured by Search Control Electric Co., Ltd.), and obtained from the average value of the number of samples n = 25.

(2) Production of napped pile fabric having a sheep shape An acrylic synthetic fiber (A), (B) and (C) to be described later include an antistatic agent (Sunstat 1007, manufactured by Sanyo Chemical Industries, Ltd.) and a softening agent (Wopol). U, manufactured by Matsumoto Yushi Seiyaku Co., Ltd.), defibrated and blended with an opener, and then a sliver was prepared using a card machine. Using this sliver, a pile fabric was knitted with a sliver knitting machine. Next, back coating was performed on the back side of the pile with an acrylic ester adhesive. After that, polishing at 155 ° C., followed by brushing, and further polishing at 145 ° C., 130 ° C., 120 ° C. and 100 ° C. (twice at each temperature) to remove the crimp on the napped surface layer portion, a constant pile A napped pile fabric having a long length was produced. Furthermore, tumbling processing was performed at 110 ° C. for 20 minutes using a drum tumbling dryer, and a napped pile fabric having a sheep shape was created.

(3) Evaluation of curling of the tip of the pile fabric The napped pile fabric produced as described above was cut so that one piece had a width of 25 cm and a length of 50 cm, and was attached to the wall perpendicularly to the pile surface. The number of hooks was counted by hitting with 5 fingertips of one hand, and the tip of the hair was evaluated according to the following criteria. The evaluation result was an average value of 5 sheets.

Grade 6: Very little drowning (no more than 3 hooks)
5th grade: Little drowning (4-7 times hooked)
4th grade: Slightly less drowning (8-11 times hooked)
3rd grade: Slightly drowning (the number of catches is 12-15 times)
Second grade: Many drowning (16-19 times)
Level 1: Very drowning (20 times or more)

(4) Measurement of the average pile length (symbol B in FIG. 2) of the acrylic synthetic fiber (A) By vertically standing the fibers constituting the pile portion in the napped pile fabric so that the furs are aligned, and using a vernier caliper The length of the acrylic synthetic fiber (A) constituting the pile portion, more specifically, the length from the pile fabric ground surface constituted by the ground yarn to the tip of the fiber (A) (the length from the back side of the pile fabric) Measurement was performed at 10 locations, and the average value was taken as the average pile length.

Example 1
30% by weight of commercially available acrylic synthetic fiber (A) “Kanekalon (registered trademark) AH (R / W) 5.6 dtex, 102 mm (manufactured by Kaneka Corporation)”, commercially available acrylic synthetic fiber (B) “Kanekalon ( (Registered trademark) AH (R / W) 3.3 dtex, 51 mm (manufactured by Kaneka Co., Ltd.) 40 wt%, commercially available acrylic synthetic fiber (C) “Kanekaron (registered trademark) AH (R / W) 3.3 dtex , 38 mm (manufactured by Kaneka Co., Ltd.) "was blended at a ratio of 30% by weight to produce a napped pile fabric having an average pile length of 85 mm and a sharp hair tip and a sheep shape. The obtained napped pile fabric is No. 1 in Table 1. As shown in FIG.

(Example 2)
25% by weight of commercially available acrylic synthetic fiber (A) “Kanekalon (registered trademark) AH (R / W) 7.8 dtex, 127 mm (manufactured by Kaneka Corporation)”, commercially available acrylic synthetic fiber (B) “Kanekaron ( (Registered Trademark) AH (R / W) 3.3 dtex, 51 mm (manufactured by Kaneka Corporation) "35% by weight, commercially available acrylic synthetic fiber (C)" Kanekaron (registered trademark) fmu (R / W) 1.5 dtex , 32 mm (manufactured by Kaneka Co., Ltd.) "was blended at a ratio of 40% by weight to produce a napped pile fabric having a sheep's shape with an average pile length of 108 mm and a sharp hair tip. The obtained napped pile fabric is No. 1 in Table 1. As shown in FIG.

(Example 3)
20% by weight of commercially available acrylic synthetic fiber (A) “Kanekalon (registered trademark) AH (R / W) 5.6 dtex, 152 mm (manufactured by Kaneka Corporation)”, commercially available acrylic synthetic fiber (B) “Kanekaron ( (Registered trademark) RCL (R / W) 3.3 dtex, 51 mm (manufactured by Kaneka Co., Ltd.) "40% by weight, commercially available acrylic synthetic fiber (C)" Kanekalon (registered trademark) SE (R / W) 1.7 dtex , 32 mm (manufactured by Kaneka Co., Ltd.) "was blended at a ratio of 40% by weight to produce a napped pile fabric having a sheep's shape with an average pile length of 126 mm and a sharp hair tip. The obtained napped pile fabric is No. 1 in Table 1. As shown in FIG. 3, there was little drowning.

(Comparative Example 1)
30% by weight of commercially available acrylic synthetic fiber (A) “Kanekalon (registered trademark) AH (R / W) 3.3 dtex, 102 mm (manufactured by Kaneka Corporation)”, commercially available acrylic synthetic fiber (B) “Kanekaron ( (Registered trademark) AH (R / W) 3.3 dtex, 51 mm (manufactured by Kaneka Co., Ltd.) 40 wt%, commercially available acrylic synthetic fiber (C) “Kanekaron (registered trademark) AH (R / W) 3.3 dtex , 38 mm (manufactured by Kaneka Co., Ltd.) "was blended at a ratio of 30% by weight to produce a raised pile fabric having an average pile length of 108 mm. The obtained napped pile fabric is No. 1 in Table 1. As shown in FIG. 4, it was very drowning.

(Comparative Example 2)
30% by weight of commercially available acrylic synthetic fiber (A) “Kanekalon (registered trademark) AH (R / W) 3.3 dtex, 89 mm (manufactured by Kaneka Corporation)”, commercially available acrylic synthetic fiber (B) “Kanekaron ( (Registered trademark) AH (R / W) 3.3 dtex, 51 mm (manufactured by Kaneka Co., Ltd.) 40 wt%, commercially available acrylic synthetic fiber (C) “Kanekaron (registered trademark) AH (R / W) 3.3 dtex , 38 mm (manufactured by Kaneka Co., Ltd.) "was blended at a ratio of 30% by weight to produce a napped pile fabric having an average pile length of 75 mm. The obtained napped pile fabric is No. 1 in Table 1. As shown in FIG. 5, there was much drowning.

Schematic showing a cross-sectional view of napped pile fabric according to the present invention The schematic diagram which shows the cross section before the tumbling process of the napped pile fabric which concerns on this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pile part 2 Pile fabric ground A Thickness of the root part of a fiber tuft 4 Long pile part 5 Middle pile part 6 Short pile part B Average pile length of fiber (A)

Claims (5)

  As fibers constituting the pile portion, acrylic synthetic fiber (A) having a fineness of 5 to 12 dtex and a fiber length of 70 to 155 mm is 20 to 50% by weight, an acrylic fiber having a fineness of 2 to 8 dtex and a fiber length of 44 to 65 mm. The napped pile fabric containing 10 to 50% by weight of synthetic fiber (B) and 10 to 50% by weight of acrylic synthetic fiber (C) having a fineness of 1 to 6 dtex and a fiber length of 20 to 43 mm is tumbled. Napped pile fabric with a pile-shaped pile.   As a fiber which comprises a pile part, the said acrylic synthetic fiber (A) 20-40 weight%, the said acrylic synthetic fiber (B) 35-50 weight%, and the said acrylic synthetic fiber (C) 20 ~ The napped pile fabric according to claim 1, containing 40% by weight.   The acrylic synthetic fiber (A) has a fiber length of 80 to 130 mm, the acrylic synthetic fiber (B) has a fiber length of 44 to 60 mm, and the acrylic synthetic fiber (C) has a fiber length of 25. The napped pile fabric according to claim 1 or 2, which has a thickness of -40 mm.   The napped pile fabric according to any one of claims 1 to 3, wherein an average pile length of the acrylic synthetic fiber (A) constituting the pile portion is 60 to 130 mm. The polymer constituting the acrylic synthetic fibers (A), (B) and (C) comprises a polymer containing 30 to 70% by weight of acrylonitrile. Napped pile fabric as described.

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