JPS63262101A - Canvas shoes and production thereof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Industrial Application Field] The present invention provides shoes manufactured using a fabric made of natural fibers or recycled fibers as an inner member, which has a good color tone and prevents deterioration of the rubber part during the dyeing process. Orui is necessary because it relates to dyed shoes that do not involve alteration.

[Prior Art] Conventionally, cloth shoes are made by forming a fabric such as a woven or knitted fabric made of natural fibers or synthetic fibers into the shoe upper, or by caulking the fabric and dyeing it to a desired color tone. A method of manufacturing shoes by integrally molding a thermoplastic rubber sole onto the upper is described in, for example, Japanese Patent Laid-Open No. 62-66802.

[Problems to be Solved by the Invention] Conventional cloth shoes are made by cutting and using cloth that is necessarily caulked and colored, so the color tone of the surface is monotonous. The cut end looks pale.

It is not possible to make maneuvers to produce multicolored products in small quantities. When worn as shoes, color transfer occurs to socks, etc. This inevitably leads to problems such as the inability to design distinctive products based on product orientation.

Therefore, an attempt was made to dye cloth shoes obtained by forming a fabric into a membrane member in advance or by adding a rubber sole to the membrane member in a dye solution. As a result, when fabrics made from conventional natural fibers are used, the product may lose its color significantly when used as a membrane component under harsh conditions, especially when it is wet with sweat or moisture. There have been problems such as deterioration or alteration of the rubber parts during the dyeing process, which reduces the durability of the rubber parts.

The present invention is a shoe made of a fabric made of natural fibers or recycled fibers as a membrane member, which reduces the monotony of the surface color, has well-colored cut edges, and has a small amount of multi-colored material. We provide cloth shoes that allow for flexible product manufacturing and product design based on product orientation. Furthermore, the present invention has good dyeability, necessarily has sufficient dyeing fastness as an inner membrane member, and does not reduce the chipping resistance of the rubber part.
To provide fabric properties using a dyed fabric that does not cause deterioration as a shoe upper cover.

[Means for Solving the Problems 1] The present invention provides a shoe-making fabric using a fabric made of natural fibers or regenerated fibers into which dye-affinity groups have been introduced in the middle of the membrane, or dyed fabrics. In terms of fabric properties.

In addition, the present invention provides fabric pieces made from natural fibers or recycled fibers into which dye affinity groups have been introduced into a shape suitable for molding in a membrane, an intermediate product in which the fabric pieces are molded in the membrane center, or At any stage of the shoemaking product, in which the sole is added to the intermediate product, it is dyed with a dye composition mainly containing a dye that dyes the dye-affinity groups of the fabric, soaped, and dye fixation treatment is performed as necessary. This is a method for producing fabrics, which is characterized by subjecting the product to water-repellent treatment and drying it to obtain fabric-like properties.

That is, the present invention uses cellulose fibers such as cotton, hemp, and ramie, regenerated cellulose fibers made from pulp and linters, protein fibers such as wool, silk, and animal hair, or regenerated protein fibers made from casein and collagen. When using fabrics such as woven or knitted fabrics obtained by weaving or knitting as shoe upper parts, after making the fibers or fabrics before manufacturing, chemical treatment is applied to natural fibers or recycled fibers. A dye-affinity group is introduced. For example, a cationic group-introducing agent containing a quaternary ammonium group, for example, 3-chloro-2
-Hydroxymethylammonium chloride, 3-chloro-2-hydroxypropyltrimethylammonium chloride, glycidyltrimethylammonium chloride, 2,3-epoxypropyltrimethylammonium chloride, 2-sulfatriethyldimethylamine,
As a fiber that has been treated with a treatment agent such as 2-chloroethylamine or ethyleneimine 1ε compound to introduce cationic groups,
Fibers can be dyed with reactive dyes and acid dyes. A benzenesulfonyl group or a naphthalenesulfonyl group having a substituent, preferably a dye-affinity substituent, was introduced.

The fibers can be dyed with acid dyes, reactive dyes, basic dyes, direct dyes, metal complex dyes, disperse dyes, etc.

Direct dyes, reactive dyes,
Fabrics made of easily dyeable natural fibers or recycled fibers are made by dyeing the fibers with basic dyes or the like. Preferably, the dye adsorption amount of the fabric provided with dye-affinity groups is at least 30
A fiber with mFi/'j is used.

If the amount of dye adsorption is low, when worn as shoes, the color will fade significantly, and if you try to dye the fabric of shoes with rubber parts to the desired color, the rubber parts will deteriorate during the dyeing process. Alternatively, deterioration may occur, reducing the durability of the rubber part. In particular, shoes with soles made using the direct polyurethane injection method have a problem in that the flexibility of the soles is reduced.

Next, the fabric made from the fibers into which the dye-affinity group of the present invention has been introduced is dyed with pieces cut into shapes suitable for molding in the membrane, or the pieces are sewn or glued into the membrane center in advance. An intermediate product is molded using a similar method, dyed, and then made into shoes. Alternatively, the fabric is cut into a shape suitable for in-membrane molding, the cut pieces are molded into the membrane center, and then a sole is applied to the membrane center by injection, sewing, or adhesion and dyed.

Furthermore, the membrane fabric of the present invention can be dyed using a dye composition containing a dye that mainly dyes the dye-affinity group introduced into the fibers and a dye that mainly dyes the fiber used, or a dye composition that is dyed with the dye-affinity group introduced into the fiber. Dye compositions mainly containing dyes for dyeing
Furthermore, if the membrane member is a combination of natural fiber or recycled fiber fabric into which dye-affinity groups have been introduced and other materials such as leather-like sheets, plastic products, etc., the dye to be dyed thereon may be used. Dyeing is carried out using the blended dye composition. Examples of dyes used include:
A dye composition selected from reactive dyes, acid dyes, basic dyes, direct dyes, metal complex dyes, disperse dyes, etc. is used. The dye composition is dissolved in water, or the dye composition is dissolved in a water-soluble solvent and placed in water or a water-based dyeing bath for dyeing. For dyeing, for example, immersion dyeing in a vat, a method of moving the object to be dyed as in dyeing with a drum-shaped dyeing machine, a method of circulating a dyeing solution as in dyeing with an Obermeyer dyeing machine, etc. can be used.

Further, the dye concentration and dyeing conditions are appropriately selected based on the desired color tone, the fabric constituting the inner membrane member, and product design such as forced generation of uneven dyeing. However, when dyeing shoes with soles made of natural rubber and/or synthetic rubber, especially polyurethane, the dyeing bath temperature is carried out at a low temperature, preferably below about 80°C, preferably 65°C.
Stain with C or lower. Furthermore, the dye-affinity group introduced into the fabric and the type of dye should also be selected so that the fabric can be dyed at low temperatures. After dyeing, the dyed object is made so pink, washed with water, and dried.

The dyed fabric is cut into pieces or the intermediate products are made into shoes. In addition, shoe products are finished by applying form pressure reduction, etc.

Dyed fabrics can be improved in terms of dyeing fastness depending on the type of dye-affinity group introduced into the fibers and the type of dye used, especially for low-temperature dyed fabrics, dye fixing treatments such as fixing agent treatment, coupling treatment, alkali treatment, etc. It is preferable to increase the degree of Furthermore, the dyed fabric is treated with a water-repellent agent, such as a fluorine-based treatment agent, before shoe making or for shoe manufacturing.
It is also preferable for fabric shoes to be treated with a silicone-based treatment agent, a metal salt of a fatty acid, a fungicide, a sanitary finishing agent, etc.

The dyed fabric is finished by adding pieces or intermediate pieces to the sole. In addition, shoe products are finished by adjusting their shape.

In the shoe manufacturing method, it is preferable to attach soles to the membrane member by injection molding of natural rubber or synthetic rubber, especially by reaction injection molding of polyurethane. The bottom may be attached by gluing or sewing.

[Examples] Hereinafter, embodiments of the present invention will be specifically described with reference to Examples, but the present invention is not limited to these Examples. Note that parts and percentages in the examples are by weight unless otherwise specified.

Example 1 A cotton fabric was treated with 3-chloro-2-hydroxymethylammonium chloride to produce a cotton fabric containing quaternary ammonium groups (dyed with reactive dyes: 194 m and 7 g) as an upper member for athletic shoes. The film was then cut into pieces, sewn together to form a membrane middle part, and then attached to the soles using a polyurethane reaction injection direct soling method to make athletic shoes with polyurethane soles.

These athletic shoes were dyed using the dyeing method under the following conditions.

Prodione Brilliant Red H-3BO, 5%o
wf (manufactured by ICI Reaction I raw dye) Kayara Light Red F-5B 0.1%Owf (manufactured by Nippon Herbal Pharmaceutical Co., Ltd.)
Direct dye) Bath ratio: 1:100 Bath temperature: 60'C Time: 30 minutes After shaking dyeing in a bath, soaping, dye fixing treatment, washing with water, and drying with hot air on a wire mesh were carried out. The resulting athletic shoes were vividly dyed, with almost no discoloration even when worn with sweat, and even after walking and bending 1 million times on a walking test machine, the soles did not crack or the soles peeled off. was not recognized.

For comparison, athletic shoes made in the same manner using untreated cotton fabric were dyed under the same conditions as in Example 1, but the color development was not sufficient.

Therefore, the bath temperature was 95°C for 1 hour and 60 minutes, and the other conditions were the same as in Example 1. As a result, not only was the color development not sufficient, but the color also faded when worn with sweat. Cracks were observed in the soles of the shoes after 700,000 walking and bending tests.

[Example 2] A woolen pile fabric into which quaternary ammonium groups have been introduced (reactive dye dyeing amount: 227 mg/9) was cut into an upper member for men's shoes, and the cut piece was sewn into the middle of the membrane. It was dyed using the dip dyeing method under the following conditions.

Prodione Brilliant Braun HO, 5%ow
f (ICI reactive dye) Kayakaran Brown 0.3%0Wf (complex salt dye manufactured by Nippon Choyaku Co., Ltd.) Bath ratio 1:100 Bath temperature 55℃ Time After dyeing for 30 minutes, soaping, dye fixing treatment, washing with water After that, they were treated with a fluorine-based water repellent and dried with hot air on a wire mesh.The membrane-sewn products obtained were made into men's shoes by attaching polyurethane soles using a polyurethane reaction injection direct soling method.

These shoes had poor dyeability, and the color of the cut edges and seams was not the same, so they were in good condition as a product.

[Effects of the Invention] The dyed shoes of the present invention are dyed in vivid and deep colors, and the dyed fabric upper member has excellent dyeing fastness, and the shoes are less likely to discolor due to sweat etc. . Furthermore, even when dyeing shoes with rubber soles, especially polyurethane soles, the rubber soles do not deteriorate or change in quality, and cloth-soled shoes with good bending resistance can be obtained.

In addition, it has excellent effects such as being able to produce a wide variety of products in small lots and responding quickly to the market.

Special applicant: Yasuhiro Ogawa

Claims (8)

[Claims] (1) Fabric shoes made using a fabric made from natural fibers or recycled fibers into which dye-affinity groups have been introduced for the upper part of the shoe. (2) The fabric shoe according to claim 1, wherein the dye adsorption amount of the fabric into which the dye-affinity group is introduced is at least 30 mg/g. (3) A piece of fabric made from natural fiber or recycled fiber into which a dye-affinity group has been introduced, cut into a shape suitable for forming a shoe upper, an intermediate product made by molding the piece into a shoe upper, or an intermediate product At some stage of the shoe manufacturing process, after the sole has been added to the shoe product, it is dyed with a dye composition mainly containing a dye that dyes the dye-affinity group of the fabric, soaped, and dye fixation treatment and development are performed as necessary. A method for producing fabric shoes, which comprises subjecting them to a water-oil repellent treatment and drying them to produce fabric shoes. (4) The method for manufacturing fabric shoes according to claim 3, wherein the dye adsorption amount of the fabric into which the dye-affinity group has been introduced is at least 30 mg/g. (5) The method for producing fabric shoes according to claim 3 or 4, wherein the dye affinity group is a cationic group. (6) A method for producing fabric shoes according to any one of claims 3 to 5, wherein the dye affinity group is a reactive dye affinity group. (7) A method for manufacturing fabric shoes according to any one of claims 3 to 6, wherein the sole of the fabric shoe is made of natural rubber or synthetic rubber. (8) A method for manufacturing fabric shoes according to any one of claims 3 to 6, wherein the sole of the fabric shoe is made of polyurethane foam.