JP2010018910A - Pile fabric and method for producing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pile fabric having a sufficient napping length of pile fiber and a distinct step between a long pile fiber layer and a short pile fiber layer, and a method for producing the pile fabric. <P>SOLUTION: The pile fabric 1 includes long pile fibers 2 and short pile fibers 3. The short pile fiber 3 contains a fiber (A) having a napping length less than 40 mm, a single fiber fineness of 7.8-22 dtex, and a flatness ratio defined by the short axis length to long axis length in the cross section of 1:4 to 1:15, and the fiber (A) has a napping length shorter by 10% or more than that of the long pile fiber 2. The method for producing the pile fabric 1 includes a step of cutting pile fibers containing the fiber (A) in the pile fabric into the same length, and a step of forming the short pile fiber 3 by shrinking the fiber (A) by heat treatment. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a pile fabric and a manufacturing method thereof. Furthermore, it is related with the pile fabric suitable for a long pile, and its manufacturing method.

Pile fabric is known as faux fur. In particular, natural animals such as foxes, sables, minks, chinchillas, etc. have decreased in recent years, and pile fabrics as fake furs have been attracting attention mainly in Europe and the United States from the viewpoint of animal welfare. Natural animal fur (natural fur) usually has a two-layer structure of stabbed hair (guard hair) and vellus hair (down hair). Conventionally, various kinds of fur are used to bring the pile fabric closer to the structure of such natural fur. In general, two or more types of non-shrinkable fibers having different fiber lengths are mixed to form a pile fabric, thereby expressing a layer structure in natural fur. Recently, there has been proposed a pile fabric in which a layer structure in natural fur is expressed by using a shrinkable fiber as a pile fiber of a short pile fiber layer (Patent Documents 1 and 2).
JP-A-8-260289 JP 2005-325462 A

  However, the pile fabric manufactured using conventional non-shrinkable fibers has a problem that the step between the long pile fiber layer and the short pile fiber layer is unclear, and the pile fabric proposed in Patent Documents 1 and 2 The fabric has a problem that the nap length of the pile fiber is not sufficient, and there has been a demand for an improvement that further approximates natural fur.

  In order to solve the above-mentioned conventional problems, the present invention provides a pile fabric that is more similar to natural fur, and has a napped length of the pile fiber, and a step difference between the long pile fiber layer and the short pile fiber layer is clear. Provide a method.

  The pile fabric of the present invention is a pile fabric including a pile fiber having a relatively long napped length and a pile fiber having a relatively short napped length, and the pile fiber having a relatively short napped length is a napped length. Including a fiber (A) having a flat fiber ratio of 1: 4 to 1:15 expressed by the width of the minor axis of the cross-sectional shape: the width of the major axis is greater than 40 mm, the single fiber fineness is 7.8 to 22 dtex The fiber (A) is characterized in that the napped length is 10% or shorter than the pile fiber having a relatively long napped length.

  The method for producing a pile fabric of the present invention includes a pile fiber having a relatively long raised length and a pile fiber having a relatively short raised length, and the pile fiber having a relatively short raised length has a raised length of 40 mm. A pile fabric comprising fibers (A) having a single fiber fineness of 7.8 to 22 dtex and a cross-sectional short axis width: long axis width ratio of 1: 4 to 1:15 A pile fiber comprising the fiber (A) having a fiber length of 76 mm or more and a fiber having a fiber length of 76 mm or more and a relatively non-shrinkable fiber with respect to the fiber (A) Knitting and knitting a pile knitted fabric, a step of cutting the pile fibers in the pile knitted fabric into the same raised length by shirring, and heat treatment to shrink the fibers (A) Relatively napped length Nap length longer than the pile fibers, characterized in that it comprises a step of forming a short pile fibers 10% or more.

  The present invention includes a pile fiber having a relatively long nap length and a pile fiber having a relatively short nap length, and the pile fiber having a relatively short nap length has a nap length exceeding 40 mm, and has a single fiber fineness. Is 7.8 to 22 dtex, and includes a fiber (A) having a cross-sectional minor axis width: a flat ratio represented by a major axis width of 1: 4 to 1:15, and the fiber (A) is A pile fabric having a clear difference in level between the long pile fiber layer and the short pile fiber layer can be obtained by making the napped length shorter by 10% or more than the pile fiber having a relatively long napped length.

  Moreover, the manufacturing method of this invention can obtain the pile fabric of said this invention efficiently and at low cost.

  The pile fabric of the present invention is a pile fabric including a pile fiber having a relatively long napped length and a pile fiber having a relatively short napped length, and the pile fiber having a relatively short napped length is a napped length. Exceeds 40 mm, the single fiber fineness is 7.8 to 22 dtex, and the width of the minor axis of the cross-sectional shape: the flat ratio indicated by the width of the major axis (hereinafter also referred to as the flat ratio of the cross-sectional shape) is 1: 4 to The fiber (A) includes a fiber (A) that is 1:15, and the fiber (A) has a napped length that is 10% or more shorter than the pile fiber having a relatively long napped length.

  The “pile fabric” in the present invention means that a sliver made of a fiber material constituting a pile portion is knitted into a pile knitted fabric with a sliver knitting machine using a ground yarn, and a paste is applied to the back surface and dried. This is a general pile fabric. Further, “pile fiber” in the present invention refers to a fiber material constituting the pile portion, and “all pile fibers” refers to all pile fibers. The “pile fiber having a relatively long nap length” in the present invention refers to a pile fiber having a nap length longer than that of the fiber (A) among all the pile fibers (hereinafter referred to as a long pile fiber). The pile fibers other than are referred to as “pile fibers having relatively short nap length” (hereinafter referred to as short pile fibers). The “napped length” refers to the length from the pile fiber root (the pile fabric surface root) to the pile fiber tip when the pile fibers of the pile knitted fabric or pile fabric are erected vertically so as to align the fur. Say it. Further, in the present invention, unless otherwise specified, “nap length” means an average value of napped lengths of pile fibers measured as follows.

  In the pile fabric of the present invention, the fiber (A) constitutes a short pile fiber layer, and the long pile fiber constitutes a long pile fiber layer. Moreover, the said short pile fiber layer may also contain fibers other than the said fiber (A). Moreover, also when the said short pile fiber contains the pile fiber of different nap length, in this invention, a "short pile fiber layer" means the pile fiber layer comprised by the said fiber (A).

  The pile fiber is not particularly limited, and examples thereof include those generally used as raw materials for pile fabrics, such as synthetic fibers such as acrylic fiber and polyester fiber, and natural fibers such as cotton and wool. Acrylic fibers are preferred from the viewpoint of texture and dyeability. Modacrylic fibers are particularly preferred from the standpoint of polishing properties and dry heat shrinkage. Examples of the acrylic fiber include Modacrylic fiber ELP, Modacrylic fiber RCL, Modacrylic fiber AH, Modacrylic fiber MCS (HHS), and Modacrylic fiber AHD (HS) manufactured by Kaneka Corporation.

  The short pile fiber includes at least a fiber (A), and the fiber (A) has a napped length of more than 40 mm, a single fiber fineness of 7.8 to 22 dtex, and a short axis width of a cross-sectional shape: a long axis The flatness ratio indicated by the width is 1: 4 to 1:15. Here, the “width of the short axis of the cross-sectional shape” means, for example, as shown in FIG. 4, the width 11 of the short axis in the rectangle when the fiber cross section 10 is surrounded by a rectangle having the minimum area, Further, “the width of the long axis of the cross-sectional shape” means the width 12 of the long axis of the rectangle shown in FIG.

  The fiber (A) has a nap length of more than 40 mm, and from the viewpoint of expressing the length of the sable-like hair, it is preferably over 45 mm, and expresses the length of the raccoon-like hair. It is more preferable that it exceeds 55 mm from the point, and it is particularly preferable that it exceeds 65 mm from the viewpoint of expressing the length of the fox-like hair.

  The single fiber fineness of the fiber (A) is 7.8 to 22 dtex, and is preferably 7.8 to 17 dtex from the viewpoint of achieving both soft texture and low back. If the single fiber fineness of the fiber (A) is less than 7.8 dtex, the fiber is lowered and the fibers tend to converge. On the other hand, when the single fiber fineness exceeds 22 dtex, the tactile sensation tends to be hard.

  Moreover, the flatness ratio of the cross-sectional shape of the fiber (A) is 1: 4 to 1:15, and it is 1: 5 to 1:12 from the viewpoint of preventing fiber napping and entanglement between fibers. Further preferred. When the flatness ratio of the cross-sectional shape of the fiber (A) is less than 1: 4, the fibers tend to converge. On the other hand, when the flatness ratio of the cross-sectional shape exceeds 1:15, the waist of the fiber tends to decrease significantly.

  The fiber (A) has a nap length of 10% or more shorter than the long pile fiber. This is because the difference in level between the long pile fiber layer and the short pile fiber layer becomes clear on the appearance of the pile fabric.

  Further, the difference in nap length between the long pile fiber and the fiber (A) is preferably 5 mm or more, more preferably 7 mm or more, and even more preferably 10 mm or more. This is because the difference in nap length between the long pile fiber and the fiber (A) is 5 mm or more, so that a step difference between the long pile fiber layer and the short pile fiber layer clearly appears on the appearance of the pile fabric.

  Further, from the viewpoint of clarity of the step difference between the long pile fiber layer and the short pile fiber layer, the fiber (A) preferably has a napped length variation in the range of 0.8 to 1.2. More preferably, it is in the range of 9 to 1.1. Here, “the variation of napped length” means “maximum napped length of fiber (A) / napped length of fiber (A)” and “minimum napped length of fiber (A) / fiber (A). It is indicated by “nap length”.

In the above, napped length is measured as follows. First, 25 mm ² (5 mm × 5 mm square) is cut from the pile fabric, the length of each pile fiber at the outer peripheral portion of the cut pile fabric is measured using a caliper, and the average value is defined as the napped length of the pile fiber. At this time, since the pile fiber 4 is knitted into the pile fabric in a state including the long side 5 and the short side 6 as shown in FIG. 3, from the root to the tip of the long side 6 in one pile fiber. Is measured as the fiber length. Of the measured values of the napped length of the pile fiber, the largest value is the “maximum value” of the napped length, and the smallest value is the “minimum value” of the napped length.

により、前記繊維（Ａ）の立毛長を求める。但し、上記一般式（１）において、ｎは１以上の整数であり、パイル繊維の種類を示す。例えば、立毛長が異なるパイル繊維が２種類存在する場合には、立毛長＝（Ａ１Ｂ１＋Ａ２Ｂ２）／（Ｂ１＋Ｂ２）となる。なお、長いパイル繊維が立毛長が異なる複数の繊維を含む場合にも上記と同様にして長いパイル繊維の立毛長を求める。 Moreover, when the said fiber (A) contains the some fiber from which napped length differs, napped length is measured as follows. First, 25 mm ² (5 mm × 5 mm square) was cut from the pile fabric, and for the pile fibers present on the outer peripheral portion of the cut pile fabric, the napped length was measured as described above for each type of pile fibers having different napped lengths, In addition, the number of pile fibers of each type is measured. At this time, since the pile fiber 4 is knitted into the pile fabric in a state including the long side 5 and the short side 6 as shown in FIG. 3, from the root to the tip of the long side 6 in one pile fiber. Is measured as the fiber length. Next, the napped lengths for each type of pile fiber having different napped lengths are A1, A2,..., An, etc., and the numbers of each are B1, B2,.

Thus, the nap length of the fiber (A) is obtained. However, in the said General formula (1), n is an integer greater than or equal to 1, and shows the kind of pile fiber. For example, when there are two types of pile fibers having different napped lengths, the napped length = (A1B1 + A2B2) / (B1 + B2). Even when the long pile fiber includes a plurality of fibers having different napped lengths, the napped length of the long pile fibers is obtained in the same manner as described above.

Further, the fiber (A) is preferably a fiber that has been aligned to the same raised length as the long pile fiber by, for example, shearing after knitting of the pile knitted fabric, and then contracted by heat treatment. This is because the step between the long pile fiber layer and the short pile fiber layer becomes clearer. Here, “heat treatment” includes wet heat treatment and dry heat treatment, and “wet heat treatment” refers to treatment with steam at 98 ° C. or higher under normal pressure for 5 to 30 minutes, and “dry heat treatment” The treatment is performed for 3 to 10 minutes in a drying temperature range of 115 to 135 ° C. From the simplicity of the treatment process, the dry heat treatment of the present invention is preferably a dry heat treatment in which the treatment is performed at a drying temperature of 120 to 130 ° C. for 3 to 5 minutes. In the present invention, the “heat shrinkage rate” refers to the rate of change of the fiber length before and after the heat treatment, and the fiber length of the single fiber before and after the heat treatment is measured and the general formula (2) heat shrinkage rate (%) = [(L ₀ −L ₁ ) / L ₀ ] × 100 (where L _{0 is} the fiber length of the single fiber before heat treatment, L _{1 is} the fiber length of the single fiber after heat treatment). In the present invention, “fiber length” refers to a fiber length under a load of 100 mg / dtex.

  Moreover, from the point of the clarity of the level | step difference of a long pile fiber layer and a short pile fiber layer, it is preferable that the dry heat shrinkage rate in 120 degreeC and the dry heat treatment for 3 minutes of the said fiber (A) is 15% or more. Moreover, it is preferable that the dry heat shrinkage rate in 120 degreeC and the dry heat treatment for 3 minutes of the said fiber (A) is 50% or less from the point which prevents the tangle and hardening of the fiber after shrinkage | contraction.

  The fiber (A) preferably has a dry heat shrinkage of 10% or more in the dry heat treatment at 120 ° C. for 3 minutes than the long pile fiber. When the difference in dry heat shrinkage between the long pile fiber and the fiber (A) at 120 ° C. for 3 minutes by dry heat treatment is 10% or more, the pile fabric layer has a long pile fiber layer and a short pile fiber layer. This is because the difference in level becomes clear. Moreover, from the point which makes the level | step difference of a long pile fiber layer and a short pile fiber layer clearer, the dry heat shrinkage rate in 120 degreeC of the heat treatment for 3 minutes of the said fiber (A) is 20% or more higher than the said long pile fiber It is more preferable that the effect of the step difference between the long pile fiber layer and the short pile fiber layer is higher by 30% or more from the viewpoint of bringing the appearance of natural fur closer. Moreover, it is preferable that the dry heat shrinkage rate in 120 degreeC and the dry heat treatment for 3 minutes of a long pile fiber is 5% or less from the point of the clarity of the level | step difference of a long pile fiber layer and a short pile fiber layer.

  When the total pile fiber of the pile fabric of the present invention is 100% by weight, the content of the fiber (A) is preferably 30 to 98% by weight, more preferably 40 to 80% by weight, 45 More preferably, it is ˜70% by weight. This is because it is possible to form a pile fabric in which the pile fiber length of the pile fiber is sufficient and the level difference between the long pile fiber layer and the short pile fiber layer is clear. The fiber (A) is most preferably a kind of fiber or a mixture of one or more kinds of fibers having the same heat shrinkage rate in the same heat treatment. Further, when the fiber (A) is a mixture of one or more kinds of fibers, the difference in the dry heat shrinkage rate in the same dry heat treatment, in particular, the difference in the dry heat shrinkage rate in the dry heat treatment at 120 ° C. for 3 minutes is 2% or less. It is preferable that That is, when the total pile fiber of the pile fabric of the present invention is 100% by weight, the difference in the dry heat shrinkage ratio in the dry heat treatment at 120 ° C. for 3 minutes with the long pile fiber as the fiber (A) is 10% or more. It is possible to mix one or more fibers having a difference in dry heat shrinkage within 2% in a dry heat treatment at 120 ° C. for 3 minutes between fibers at an arbitrary ratio within a range of 30 to 98% by weight. .

  Further, when the total pile fiber of the pile fabric of the present invention is 100% by weight, the content of the entire short pile fiber including the fiber (A) is preferably 50 to 98% by weight, and the fiber (A) The content of other short pile fibers other than is preferably 20% by weight or less. In addition, it is preferable that other short pile fibers other than the said fiber (A) have shorter nap length than the said fiber (A), and are relatively non-shrinkable. Here, “relative non-shrinkage” means that the thermal shrinkage rate in the same heat treatment is low. Moreover, from the point which prevents the tangle of the fiber of the base part of a pile fiber layer, the dry heat shrinkage rate in 120 degreeC and the dry heat treatment for 3 minutes of other short pile fibers other than the said fiber (A) is 5% or less Is preferred.

  Moreover, it is preferable that the said fiber (A) is an acrylic fiber containing an acrylic copolymer from a shrinkable point. The acrylic polymer is preferably a copolymer containing 30 to 98% by weight of acrylonitrile. When the content of acrylonitrile is 30% by weight or more, the heat resistance is not lowered and the pile workability is not lowered. On the other hand, when the content of acrylonitrile is 98% by weight or less, the stretchability in the spinning process does not become low, and it becomes easy to stretch at a high draw ratio and high shrinkage is easily obtained. Further, for example, as the fiber (A), modacrylic fiber MS (HMS), modacrylic fiber LAN (HB) 7.8 dtex, modacrylic fiber LAN (HB) 17 dtex manufactured by Kaneka Corporation can be used.

  The long pile fiber only needs to be longer than the fiber (A), and the length of the raised hair preferably exceeds 45 mm from the viewpoint of expressing the length of the raccoon-like hair. More than 80 mm is more preferable from the viewpoint that the thickness can be expressed. The long pile fiber may be a kind of fiber or a mixed fiber of one or more kinds of fibers. In addition, for example, as the long pile fiber, modacrylic fiber ELP, modacrylic fiber RMK22dtex and modacrylic fiber RFM22dtex manufactured by Kaneka Corporation can be used.

  Moreover, it is preferable that the fiber length of the said long pile fiber and the said fiber (A) is 76 mm or more, respectively. This is because it is possible to obtain a pile fabric in which the nap length of the pile fiber is sufficient and the step between the long pile fiber layer and the short pile fiber layer is clear. Moreover, it is preferable that the fiber length of the said long pile fiber and the said fiber (A) is 152 mm or less from the point of efficiency and low cost, respectively.

  The method for producing a pile fabric of the present invention includes a long pile fiber and a short pile fiber, and the short pile fiber has a napped length of more than 40 mm, a single fiber fineness of 7.8 to 22 dtex, and a cross-sectional shape. Although it will not be restrict | limited especially if it is a manufacturing method of the pile fabric containing the fiber (A) whose flat ratio shown by the width | variety of a short axis: width of a long axis is 1: 4 to 1:15, it is short with a long pile fiber layer. A method for producing a pile fabric having a step difference between a long pile fiber layer and a short pile fiber layer using a shrinkable fiber and a relatively non-shrinkable fiber is preferable in that the step of the pile fiber layer is clear. . For example, in the method for producing a pile fabric of the present invention, the fiber (A) having a fiber length of 76 mm or more and a fiber having a fiber length of 76 mm or more and relatively non-shrinkable to the fiber (A) A pile knitted fabric by knitting and knitting pile fibers, a step of cutting the pile fibers in the pile knitted fabric into the same nap length by shirring, and heat treatment, the fibers (A And the step of forming pile fibers having a nap length shorter by 10% or more than the pile fibers having a relatively long nap length.

  Conventionally, using a shrinkable fiber and a relatively non-shrinkable fiber, the step between the long pile fiber layer and the short pile fiber layer is clear, and a short pile fiber having a sufficient napped length, for example, a shrinkable fiber is used. When trying to manufacture a long pile in which the nap length of the pile fiber of the layer exceeds 40 mm, the sliver is wound inside the card unit of the sliver knitting machine, and thus it is difficult to manufacture. In the present invention, the fiber (A) having a single fiber fineness of 7.8 to 22 dtex and a cross-sectional width of the short axis: width ratio of the major axis of 1: 4 to 1:15. By using the fiber (A) as a short pile fiber and making the napped length of the fiber (A) 10% or more shorter than the long pile fiber, the problem that the sliver winds inside the card unit of the sliver knitting machine is solved, and the pile fiber napped A pile fabric having a sufficient length, for example, a nap length of pile fibers of a short pile fiber layer exceeding 40 mm, and a step difference between the long pile fiber layer and the short pile fiber layer can be produced.

  The length of pile fibers of the short pile fiber layer is preferably more than 45 mm from the viewpoint of expressing the sable-like hair length, and 55 mm from the viewpoint of expressing the length of the raccoon-like hair. More preferably, it exceeds 65 mm from the viewpoint of expressing the length of fox-like hair.

  Further, the fiber (A) having a single fiber fineness of 7.8 to 22 dtex, a cross-sectional minor axis width: a major axis width ratio of 1: 4 to 1:15 is defined as a short pile fiber. By using and raising the length of the fiber (A) by 10% or more than that of the long pile fiber, the conventional fiber sliver knitting machine is efficient and low-cost, and the pile fiber has a long length, for example, short. A pile fabric in which the nap length of the pile fibers of the pile fiber layer exceeds 40 mm and the level difference between the long pile fiber layer and the short pile fiber layer is clear can be produced.

  Specifically, the pile fabric of this invention can be produced as follows. First, the short pile fiber containing the said fiber (A) and the said long pile fiber are mixed and humidity-controlled, Then, a sliver is produced through an opener and a card | curd. Next, sliver knitting is performed with a high pile knitting machine, and the nap lengths of the pile fibers are made uniform by preliminary shearing. Thereafter, the back side of the pile knitted fabric is coated with an acrylic ester adhesive or the like. At that time, the adhesive is dried at 120 ° C. for 3 minutes and the pile fiber is shrunk. Thereafter, polishing and brushing are performed at a high temperature of 140 to 165 ° C., and polishing and shearing at a medium temperature of 130 to 110 ° C. and a low temperature of 100 to 80 ° C. are combined to finish a pile fabric. For the shearing, it is preferable to use an improved shearing machine. This is because it is possible to produce a long pile in which the nap length of the pile fiber of the short pile fiber layer is 45 mm or more. “Improved shearing machine” means a bed with a raised length of 50 mm or more by improving the shape of the bed of the conventional shearing machine, which can only raise a raised length of 5 to 50 mm, and widening the clearance between the bed and the cutter. A shearing machine that can perform shearing. Thus, the pile fabric of this invention can be manufactured efficiently and at low cost by improving the conventional shearing machine and using it as it is. The reason why the clearance between the bed and the cutter is required to be 50 mm or more is that, when trying to obtain a pile fabric with a clear step, it is necessary to trim the pile length of the pile fiber to a certain length before shrinking in advance. Because there is. For example, a pile fiber sheared to 50 mm has a raised length of about 45 mm when contracted by 10%, and becomes about 40 mm when contracted by 20%. On the other hand, since it is possible to shear up to 50 mm even with a conventional shearing machine, it is possible to make the napped length of pile fibers of a short pile fiber layer about 45 mm.

  Hereinafter, the present invention will be described more specifically based on examples and drawings. In addition, this invention is not limited to the following Example.

  The measurement methods and evaluation methods used in the examples and comparative examples of the present invention are as follows. All measurements were performed under standard environmental conditions of a temperature of 20 ° C. and a relative humidity of 65%.

(Single fiber fineness)
The single fiber fineness was measured using a motorcycle bro fineness measuring instrument (Denial Computer DC-11, manufactured by Search Control Denki), and the average value of the number of samples n = 25 was defined as the single fiber fineness.

(Flat ratio of cross-sectional shape)
Using a scanning electron microscope S-3500N (manufactured by Hitachi, Ltd.), the cross section of the fiber deposited with Au (gold) was observed with an ion coater IB-3 type (manufactured by Eiko Engineering). As shown in FIG. The width 11 of the short axis and the width 12 of the long axis were measured. An average value of n = 25 was used for the width 11 of the short axis and the width 12 of the long axis, and the flatness ratio represented by the width 11 of the short axis and the width 12 of the long axis was obtained.

(Dry heat shrinkage)
First, the fiber length L ₀ of the single fiber before dry heat treatment was measured, and the fiber length L ₁ after dry heat treatment at 120 ° C. for 3 minutes in a soaking oven was measured. Thereafter, the dry heat shrinkage rate was determined by the general formula (2) heat shrinkage rate (%) = [(L ₀ −L ₁ ) / L ₀ ] × 100. The fiber length of the single fiber was measured under a load of 100 mg / dtex.

(Measurement of napped length)
25 mm ² (5 mm × 5 mm square) was cut from the pile fabric, the length of each pile fiber at the outer periphery of the cut pile fabric was measured using a caliper, and the average value was defined as the napped length of the pile fiber. At this time, since the pile fiber 4 is knitted into the pile fabric in a state including the long side 5 and the short side 6 as shown in FIG. 3, from the root to the tip of the long side 6 in one pile fiber. Is measured as the fiber length. Further, among the measured values of the napped length of the fiber (A), the largest value is the “maximum value” of the napped length, and the smallest value is the “minimum value” of the napped length.

(Effect of step)
The effect of the level difference of the pile fabric was evaluated according to the following criteria.
A: A step difference between the long pile fiber layer and the short pile fiber layer has a clear appearance characteristic.
B: The step difference between the long pile fiber layer and the short pile fiber layer has slightly unclear appearance characteristics.
C: Appearance characteristics are not clear between the long pile fiber layer and the short pile fiber layer.

  Specifically, the determination is made based on the difference in napped length between the long pile fiber and the short pile fiber (A) (hereinafter referred to as napped length difference) and the variation in the napped length of the fiber (A). A pile fabric having a clear difference in level between the long pile fiber layer and the short pile fiber layer has a difference in napped length of 5 mm or more, and the variation in napped length of the fibers (A) is in the range of 0.9 to 1.1. It is a standard to be within. Further, a pile fabric having a slightly unclear level difference between a long pile fiber layer and a short pile fiber layer has a difference in napped length of 5 mm or more, and a variation in napped length of the fiber (A) is 0.8 or more and 0. It is a guideline that it is within a range of less than .9 or within a range of more than 1.1 and not more than 1.2. Further, the pile fabric in which the difference between the long pile fiber layer and the short pile fiber layer is not clear is a difference in the napped length of 5 mm or more, and the variation in the napped length of the fiber (A) is less than 0.8 or As a guide, it should be within the range exceeding 1.2.

(Long hair beast-like appearance evaluation)
A: The napped length of the long pile fiber is 50 mm or more, and the difference in napped length between the long pile fiber and the short pile fiber is 10 mm or more, and the effect of the step determined as described above is A or B.
B: The napped length of the long pile fiber is less than 50 mm, and / or the difference in napped length between the long pile fiber and the short pile fiber is less than 10 mm, and / or the effect of the step determined as described above is C. .

  In Examples and Comparative Examples of the present invention, ELP, MS (HMS), LAN (HB) 7.8 dtex (hereinafter referred to as LAN (HB) -1), LAN, which are modacrylic fibers manufactured by Kaneka Corporation as pile fibers. (HB) 17 dtex (hereinafter referred to as LAN (HB) -2), RCL, AH, and MCS (HHS) were used. Table 1 below shows the type of modacrylic fiber used, the single fiber fineness, the flatness ratio of the cross-sectional shape, the dry heat shrinkage (dry heat shrinkage in a dry heat treatment at 120 ° C. for 3 minutes), and the acrylonitrile content.

Example 1
After blending and conditioning the modacrylic fiber ELP, modacrylic fiber MS (HMS), and modacrylic fiber AH having the fiber length shown in Table 2 below at the blending ratio shown in Table 3 below, an opener (manufactured by Kodama Tech Co. Ltd.) was used. ) And a card (manufactured by Howa Machine Ltd., Nagoya) to produce a sliver. Next, sliver knitting is performed with a high pile knitting machine (Mayer's high pile knitting machine) to produce a pile knitted fabric, and the pile fiber napping length is set to 70 mm by preliminary shearing using a shearing machine (manufactured by Iwakura Seiki Co., Ltd.). Aligned. Thereafter, an acrylic ester adhesive was attached to the back surface of the pile knitted fabric, and the adhesive was dried at 120 ° C. for 3 minutes using a tenter (manufactured by Hirano Tecsed), and the pile fiber was shrunk. After that, with a polisher machine (manufactured by Iwakura Seiki Co., Ltd.) and the above-mentioned shearing machine, a pile fabric was finished by performing polisher finishing and shearing to finish the napped length of long pile fibers to 80 mm. In the pile fabric 1 of Example 1 obtained, the raised length of the long pile fiber 2 (ELP), the raised length of the short pile fiber 3 (MS (HMS)), the maximum value and the minimum value thereof, and the effect of the step Table 4 below shows the evaluation and the appearance evaluation of long-haired beast. The obtained pile fabric of Example 1 had a racoon-like hair length useful for clothing trimming materials and had a clear step.

(Example 2)
The sliver is prepared by blending and conditioning the modacrylic fiber ELP and the modacrylic fiber LAN (HB) -1 having the fiber length shown in Table 2 at the blending ratio shown in Table 3 above, and the pile fiber napping length is obtained by preliminary shearing. The pile fabric of Example 2 was produced in the same manner as in Example 1 except that the length of napped pile fibers was adjusted to 60 mm by final polisher finishing and shearing. In the obtained pile fabric of Example 2, the raised length of the long pile fiber (ELP), the raised length of the short pile fiber (LAN (HB) -1), and the evaluation of the effect of the step and the appearance evaluation of the long-haired animal tone Is shown in Table 4 above. The obtained pile fabric of Example 2 had a sable-like hair length, which was useful for a surface material for a half coat, and had a clear step.

(Example 3)
The sliver is prepared by blending and conditioning the modacrylic fiber ELP, modacrylic fiber MS (HMS), and modacrylic fiber AH having the fiber lengths shown in Table 2 at the blending ratio shown in Table 3 above, and pile fiber is prepared by preliminary shearing. A pile fabric of Example 3 was produced in the same manner as in Example 1 except that the napped length of 80 mm was adjusted to 90 mm by the final polisher finishing and shearing. In the obtained pile fabric of Example 3, the raised length of the long pile fiber (ELP), the raised length of the short pile fiber (MS (HMS)), the maximum value and the minimum value thereof, and the evaluation of the effect of the step and the long hair The animal-like appearance evaluation is shown in Table 4 above. The obtained pile fabric of Example 3 had a fox-like hair length useful for a long coat surface material, and had a clear step.

Example 4
A sliver is prepared by blending and conditioning the modacrylic fiber ELP, modacrylic fiber LAN (HB) -2, and modacrylic fiber AH having the fiber lengths shown in Table 2 above at the blending ratios shown in Table 3 above. A pile fabric of Example 4 was prepared in the same manner as in Example 1 except that the napped length of the pile fiber was 90 mm and the napped length of the long pile fiber was adjusted to 100 mm by the final polisher finishing and shearing. Evaluation of nap length of long pile fiber (ELP), nap length of short pile fiber (LAN (HB) -2), maximum value and minimum value, and step effect in the pile fabric obtained in Example 4 Table 4 shows the appearance evaluation of the long-haired animal. The obtained pile fabric of Example 4 had a fox-like hair length useful for a throwing material for home furnishing and had a clear step.

(Comparative Example 1)
The pile fabric of Comparative Example 1 was prepared in the same manner as in Example 1 except that a sliver was produced using the modacrylic fiber RCL having the fiber length shown in Table 2 above instead of the modacrylic fiber MS (HMS) in Example 1. Was made. In the pile fabric 1 of Comparative Example 1 obtained, the raised length of the long pile fiber 2 (ELP), the raised length of the short pile fiber 3 (RCL), the maximum value and the minimum value thereof, and the evaluation of the effect of the step and the long hair The animal-like appearance evaluation is shown in Table 4 above. In addition, although the obtained pile fabric of the comparative example 1 had a fox-like external appearance, the level | step difference was not clear and it did not change with what was conventionally.

(Comparative Example 2)
The sliver is prepared by blending and conditioning the modacrylic fiber ELP and the modacrylic fiber MCS (HHS) having the fiber length shown in Table 2 at the blending ratio shown in Table 3 above, and the pile fiber raised length is 25 mm by preliminary shearing. In addition, a pile fabric of Comparative Example 2 was produced in the same manner as in Example 1 except that the napped length of the long pile fiber was adjusted to 30 mm by the final polisher finishing and shearing. In the obtained pile fabric, the raised length of long pile fibers (ELP), the raised length of short pile fibers (MCS (HHS)), the maximum and minimum values thereof, the evaluation of the effect of the step, and the appearance of long-haired animal tone The evaluation is shown in Table 4 above. In addition, although the obtained pile fabric of the comparative example 2 had a mink-like external appearance and the level | step difference was a little clear, it had not reached the napped length which this invention aimed at.

(Comparative Example 3)
A sliver was produced using the modacrylic fiber MCS (HHS) having the fiber length shown in Table 2 above in place of the modacrylic fiber MS (HMS) in Example 1, but subsequent sliver knitting was not possible, and a pile fabric was used. Couldn't get.

(Comparative Example 4)
The sliver is prepared by blending and conditioning the modacrylic fiber ELP and modacrylic fiber MS (HMS) having the fiber length shown in Table 2 at the blending ratio shown in Table 3 above, and the pile fiber raised length is 25 mm by preliminary shearing. In addition, a pile fabric of Comparative Example 4 was prepared in the same manner as in Example 1 except that the napped length of the long pile fiber was adjusted to 30 mm by the final polisher finishing and shearing. In the obtained pile fabric, the raised length of long pile fibers (ELP), the raised length of short pile fibers (MS (HMS)), the maximum and minimum values thereof, the evaluation of the effect of steps, and the appearance of long-haired animal tone The evaluation is shown in Table 4 above. The obtained pile fabric of Comparative Example 4 had a mink-like appearance and the steps were somewhat clear, but did not reach the napped length intended by the present invention.

  From Table 1 to Table 4, the fiber (A) having a single fiber fineness of 7.8 to 22 dtex and a cross-sectional minor axis width: long axis width flatness ratio of 1: 4 to 1:15 Is used as a short pile fiber, and the pile fabric of Examples 1 to 4 has a short pile fiber length of 10% or more shorter than the pile fiber having a relatively long raised fiber length. It can be seen that it is 40 mm or more, that is, the napped length of the pile fiber is sufficient, and the step between the long pile fiber layer and the short pile fiber layer is clear.

  The pile fabric of the present invention is useful as an artificial fur that substitutes for natural fur.

It is a schematic diagram of the pile fabric of Example 1 of this invention. It is a schematic diagram of the pile fabric of the comparative example 1 of this invention. It is a schematic diagram which illustrates the state of the pile fiber knitted in the pile fabric of this invention. It is a schematic diagram of the cross-sectional shape of the fiber (A) of one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pile fabric 2 Long pile fiber 3 Short pile fiber 4 Pile fiber 5 Long side 6 Short side 10 Fiber cross section 11 Short axis width 12 Long axis width

Claims (9)

A pile fabric comprising a pile fiber having a relatively long raised length and a pile fiber having a relatively short raised length,
The pile fiber having a relatively short nap length has a nap length of more than 40 mm, a single fiber fineness of 7.8 to 22 dtex, and a cross-sectional width of a short axis: a flat ratio represented by a width of a long axis is 1. A fiber (A) that is: 4 to 1:15,
The fiber (A) has a pile length of 10% or more shorter than the pile fiber having a relatively long pile length.   The pile fabric according to claim 1, wherein the fiber (A) has a napped length variation within a range of 0.8 to 1.2.   The pile fabric according to claim 1 or 2, wherein a difference in the length of the raised fiber between the relatively long pile fiber and the fiber (A) is 5 mm or more.   The fiber (A) is a fiber that has been aligned to the same raised length as the pile fiber having a relatively long raised length after knitting of the pile knitted fabric, and then contracted by heat treatment. The pile fabric described in 1.   The pile fabric according to any one of claims 1 to 4, wherein the content of the fiber (A) is 30 to 98% by weight when the total pile fiber of the pile fabric is 100% by weight.   The pile fabric according to any one of claims 1 to 5, wherein the pile fiber having a relatively long napped length has a napped length exceeding 45 mm.   The pile fabric according to any one of claims 1 to 6, wherein a difference in the raised length between the pile fiber having a relatively long raised length and the fiber (A) is 7 mm or more.   The pile according to any one of claims 1 to 7, wherein the fiber (A) has a dry heat shrinkage rate of 10% or more in a dry heat treatment at 120 ° C for 3 minutes higher than the pile fiber having a relatively long nap length. Fabric. The pile fiber having a relatively long napped length and a pile fiber having a relatively short napped length, the pile fiber having a relatively short napped length has a napped length of more than 40 mm and a single fiber fineness of 7.8. A method for producing a pile fabric comprising fibers (A) having a flatness ratio of 1: 4 to 1:15, the width of the minor axis of the cross-sectional shape: the width of the major axis being ˜22 dtex,
The fiber (A) having a fiber length of 76 mm or more and a pile fiber having a fiber length of 76 mm or more and relatively non-shrinkable to the fiber (A) are mixed and knitted. A process of knitting a pile knitted fabric,
Cutting the pile fibers in the pile knitted fabric to the same raised length by shearing;
And a step of shrinking the fiber (A) to form a pile fiber having a nap length shorter by 10% or more than the pile fiber having a relatively long nap length by heat treatment.

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