JPH05195391A - Knitted fabric for bonding interlining cloth - Google Patents

Abstract

PURPOSE:To prevent a resin from exuding in a thin-gage and lightweight knitted fabric for a bonding interlining cloth and impart moderate body, stiffness, elongation and recovery properties to the interlining cloth. CONSTITUTION:The objective knitted fabric for bonding an interlining cloth is formed by compounding multifilament yarn composed of single filaments having <=0.5 denier single filament size with multifilament yarn composed of single filaments having >=1 denier single filament size by interknitting, combining with air, etc., in the knitted fabric.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to an adhesive interlining fabric.

[0002]

2. Description of the Related Art With the recent trend toward thinner clothing, adhesive interlinings have tended to be thinner and lighter. However, in order to reduce the thickness and weight of the material, various problems arise when the conventionally used method is applied as it is to the adhesive interlining material. For example,
In order to make the fabric thin, the use of thin fibers makes the fiber bundles thinner, so the spacing between adjacent fiber bundles increases,
In the step of placing the granular resin in a dot shape on the cloth, the granular resin spills out from between these, or in the step of melting and fusing them on the cloth, the molten resin exudes from between the fiber bundles. Such problems occur.

In order to improve these problems, as disclosed in Japanese Patent Publication No. 3-220357, the adhesive interlining is formed of a non-woven fabric composed of ultrafine fibers to improve the exudation of resin and to make it soft. There is something with a nice texture. However, in this adhesive interlining, the fibers constituting the non-woven fabric are all ultrafine fibers, and since it is a non-woven fabric, the bending stress tends to be small and it tends to be too soft. It is difficult for Koshi to obtain it. Also, because the contact area between fibers is large,
When the frictional resistance increases and the interlining is stretched, the recoverability deteriorates, and it is not possible to quickly follow the movement of the bonded fabric. Not in.

[0004]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems, and aims to make the adhesive interlining thinner and lighter, and at the same time prevent resin exudation from the adhesive interlining. Adhesive interlining knitted fabric that gives moderate elasticity and firmness to the adhesive interlining, responds quickly to the movement of the bonded fabric, and can immediately recover the original shape even after the fabric is stretched. The purpose is to provide.

[0005]

According to the present invention, a single yarn fineness of 0.
Multifilament 3 consisting of single fibers of 5 denier or less
An adhesive interlining knitted fabric comprising 20% by weight or more of a multifilament composed of single fibers having a single yarn fineness of 0% by weight or more and a denier of 1 denier or more. The present invention will be described in detail below.

The adhesive interlining knitted fabric of the present invention comprises a multifilament (hereinafter referred to as an ultrafine fiber bundle) composed of single fibers having a single yarn fineness of 0.5 denier or less and a single fiber having a single yarn fineness of 1 denier or more. It is extremely important that the multifilament (hereinafter, usually referred to as a fiber bundle) is formed into a composite. That is, in order to reduce the thickness and weight of the adhesive interlining material, at the same time prevent the resin from seeping out from the adhesive interlining material, and to provide elongation, recoverability, and appropriate elasticity and stiffness, use both together. It is necessary to.

The knitted fabric of the present invention comprises 30% by weight of an ultrafine fiber bundle.
It is necessary to include the above. By containing 30% by weight or more, the texture of the knitted fabric becomes extremely soft, and since the ultrafine fibers can be opened on the knitted fabric to cover the knitted fabric closely, the fine voids in the knitted fabric can be removed in the step of adding the adhesive resin fine particles. The granular resin does not spill or the molten resin does not exude to the opposite side when melt-adhering to the clothing material. However, if the proportion of the ultrafine fiber bundles is too large, it is effective in preventing resin oozing out, but the contact area between the fibers becomes too large due to the ultrafine fibers, and the recoverability when the knitted fabric is stretched only decreases. It also loses resilience.

Therefore, it is usually necessary to use 20% by weight or more of the fiber bundle. In addition to ultrafine fiber bundles and normal fiber bundles,
A single fiber bundle having a single yarn fineness of more than 0.5 denier and less than 1 denier can be used together in a proportion of 50% by weight or less. The denier of the ultrafine fiber bundle of the present invention is generally 10 to 300 denier.

The ultrafine fiber bundle can be produced by a usual spinning method, or can be produced from so-called split fiber or sea-island fiber which can be divided into a plurality of single fibers from a single fiber by a dividing treatment. The knitted fabric of the present invention can be obtained by knitting by compounding each fiber bundle by air-blending, twisting, compound false twisting, etc., in addition to interlacing.

In knitting, for example, in a warp knitting machine, a normal fiber bundle is used as a back yarn and an ultrafine fiber bundle is used as a front yarn, and a method for producing a knitted fabric by knitting on a knitting machine or supplying as a warp yarn. Various methods of compounding on the knitting machine, such as alternate arrangement of ultrafine fiber bundles and normal fiber bundles on the yarn, regular arrangement by various arrangements, or completely irregular arrangement, can be used. However, depending on how the ultrafine fiber bundles and ordinary fiber bundles are arranged, the degree of exudation of the resin increases, and the physical properties of the adhesive interlining material, and the physical properties such as resilience and resilience of the resin, greatly decrease. It is preferable to contact or contact with.

As a method of interlacing, there is also a method of producing an adhesive interlining with a weft insertion warp knitting machine or the like, and an ultrafine fiber bundle can be used as the weft and a normal fiber bundle can be used as the warp. Alternatively, the reverse is also possible. The knitted fabric knitted by the weft insertion warp knitting machine is an adhesive interlining having strength and stiffness characteristic for weft bending which is not particularly present in the nonwoven fabric, which is particularly strong against weft bending. Also,
In some cases, special processing such as false twisting is performed to give the yarn elongation. Especially when using ultrafine fiber bundles for weft insertion, the weft cannot withstand the high tension that occurs during insertion, which may cause yarn breakage, or cannot absorb uneven tension in the yarn and cause insertion errors. May be. Therefore,
By giving the yarn itself a certain degree of elongation by false twisting and absorbing the abnormal tension, it is possible to obtain an adhesive interlining which is very easy to knit and has an elongation in the weft direction.

In addition to interlaced knitting, ultrafine fiber bundles and ordinary fiber bundles are entangled at the yarn stage by air-blending such as interlace processing or Taslan processing or composite false twisting, and the obtained composite yarn is set on a knitting machine. There is a method of producing a knitted fabric. By these methods, it is possible to give the soft texture that the ultrafine fibers have and an appropriate elasticity and stiffness. In addition, the compounding at the yarn stage also has the effect of suppressing fluff generated in each process such as warping and knitting.

The knitted fabric obtained by compounding the above-described interlaced knitting, air-blending, etc., has the adhesiveness after undergoing the steps of scouring, relaxing, dyeing, etc. to open and converge the ultrafine fibers. Transferred to the knitted fabric, the granular resin placed in the coating step of the granular resin and placed in the holes of the engraving roll having 45 to 7 holes per 1 square meter, and heat-treated to form an adhesive core. It becomes the ground.

When a knitted fabric for adhesive interlining is produced using split type fibers, a splitting step is added to these steps. For example, in the split yarn, a split type fiber composed of two components such as a polyester component and nylon is split by alkali reduction, or two fibers are peeled and split by swelling polyester or nylon, or A step of dividing by an external force such as a columnar flow method is necessary.

Furthermore, the granular resin is prevented from spilling out from the adhesive interlining knitted fabric when the resin is applied, and the molten resin is prevented from oozing out to the opposite surface of the interlining when adhering to the clothing material. Therefore, it is possible to further raise the surface of the knitted fabric to open and separate ultrafine fibers. The material of the fibers used in the present invention is not particularly limited, and synthetic fibers such as polyester fibers, polyamide fibers, polyacrylonitrile fibers and composite fibers thereof, regenerated fibers, natural fibers such as wool and cotton can be used.

[0016]

【Example】

[0017]

Example 1 Nylon 66 fiber bundle of 12 denier 7 filaments (single yarn fineness 1.7 denier) (normal fiber bundle)
Using a polyester denier of 105 denier and 700 filaments (single yarn fineness of 0.15 denier) as the weft for the weft, a 28 gauge weft insertion warp knitting machine, warp density 48 courses / inch, weft density 49 courses / Inch and a fabric for interlining having a basis weight of 40.5 g / m ² was knitted. An enlarged view of the knitted fabric at that time is shown in FIG. At this time, the yarn was slightly false twisted in order to absorb the abnormal tension generated when the weft was inserted. After kneading, relaxing and dyeing the knitted fabric, a granular adhesive resin was placed on the knitted fabric using an engraving roll having 35 dots, and heat treated to obtain an adhesive interlining fabric. The obtained adhesive interlining was adhered to a clothing material with an iron to finish the final product. The ultrafine fiber bundle of this knitted fabric was 57% by weight, and the normal fiber bundle was 43% by weight. In the adhesive interlining knitted fabric obtained in this example, there is no exudation of the resin in the step of applying the adhesive resin and the step of adhering to the clothing material, and the obtained adhesive interlining is thin and lightweight. Despite this, it had a moderate elasticity and was a strong interlining material against weft bending.

[0018]

Example 2 A 28-gauge warp knit tricot machine was used, in which nylon 6 and polyester, which had 0.1 denier after splitting with 48 denier 48 filament fibers in the front yarn, were 2:
12 denier for back yarn with split fiber composed of 8
Knitting an adhesive interlining fabric with a warp density of 35 courses / inch, a weft density of 54 courses / inch, and a basis weight of 22.5 g / m ² by knitting on a knitting machine using a nylon 66 ordinary fiber bundle of filaments. did. The organization chart is shown in FIG. Using an ultrafine fiber bundle for the structure of FIG.
A fiber bundle was usually used for the structure of (b). The knitted fabric was subjected to scouring, splitting treatment with alkali treatment, and dyeing process to obtain an adhesive interlining fabric. The ultrafine fiber bundle of this knitted fabric was 65% by weight, and the ordinary fiber bundle was 35% by weight. The knitted fabric thus produced was finished into a final product through the same adhesive resin applying step and the adhering step to a clothing material as in Example 1. The adhesive interlining knitted fabric obtained in this example had no exudation of the adhesive resin, was excellent in elongation and recovery along with the warp and weft directions, and had appropriate elasticity, elasticity and softness. ..

[0019]

EFFECTS OF THE INVENTION The adhesive interlining knitted fabric of the present invention is capable of obtaining a soft feeling and an appropriate elasticity and stiffness. In addition to these effects, it also has the following effects. By using the ultrafine fibers, the adhesive interlining knitted fabric itself can be thinned and the weight thereof can be reduced accordingly. In addition, since the ultrafine fibers are used, the ultrafine fiber bundles are spread and the covering effect of the resin is increased, so that the exudation of the molten resin can be remarkably reduced at the time of applying the resin and adhering to the clothing material. Further, by using a single fiber having a single yarn fineness of 1 denier or more in combination, it is possible to obtain elongation and recovery that follow the movement of the bonded clothing.

[Brief description of drawings]

FIG. 1 is a schematic diagram of a knitted fabric of an adhesive interlining material created by inserting a weft yarn of Example 1 of the present invention.

FIG. 2 is a structural diagram of a warp knit tricot used in Example 2.

[Explanation of symbols]

 1 Ultrafine fiber bundle 2 Regular fiber bundle 3 Ultrafine fiber bundle (Froton yarn) 4 Regular fiber bundle (Back yarn)

Claims (1)

[Claims] 1. A multifilament comprising 30% by weight or more of single filaments having a single yarn fineness of 0.5 denier or less, and a single yarn fineness of 1
An adhesive interlining knitted fabric comprising 20% by weight or more of a multifilament composed of single fibers having a denier or more.