JP4860033B2

JP4860033B2 - Rubber composition for shoes and rubber parts for shoes using the same

Info

Publication number: JP4860033B2
Application number: JP2000337009A
Authority: JP
Inventors: 和幸市丸
Original assignee: 株式会社ムーンスター
Priority date: 2000-11-06
Filing date: 2000-11-06
Publication date: 2012-01-25
Anticipated expiration: 2020-11-06
Also published as: JP2002138168A

Description

【０００１】
【発明の属する分野】
本発明は、色移行しやすい分散染料などで染色した織布を靴甲被に用いた靴に使用する靴用ゴム組成物および靴用ゴム部品に関するものである。
【０００２】
【従来の技術】
分散染料で染色された靴甲被に白物のゴム部品を使用すると、染料が廻しテープや底などの表面に移行して外観が見苦しくなり、品質を低下するケースがあった。このような場合、靴甲被を色移行しない別の素材に変更しなければならず、甲被の材料に制限されるという問題が生じた。また、経時的に色移行する場合もあり品質上に問題が生じた。
【０００３】
【発明が解決しようとする課題】
本発明は、前記問題点を解決し、分散染料で染色された甲被に使用しても色移行のしない靴用ゴム組成物および靴用ゴム部品を提供することである。
【０００４】
【課題を解決する手段】
本発明の靴用ゴム組成物は、ゴム成分１００重量部に対して活性炭を０．１〜１０重量部と酸化チタンを１０〜７０重量部配合したことを特徴とする。
【０００５】
本発明の靴用ゴム部品は、下層と上層よりなる靴用ゴム部品であり、ゴム成分１００重量部に対して酸化チタンを１０〜７０重量部と活性炭を０．１〜１００重量部、またはカーボンブラックを１０〜１００重量部配合したゴム組成物を下層とし、明色ゴム組成物を上層としたことを特徴とする。
【０００６】
本発明に使用するゴム成分は、天然ゴム、合成ゴム又はそれらのブレンドされたものでもよい。合成ゴムは、特に限定されないが、履物においてはスチレン・ブタジエンゴムが多く用いられる。活性炭は、吸着力の強いものが好ましく、また、分散をよくするために、微粉末のものをマスターバッチにしてゴムに混練するとよい。
【０００７】
本発明の靴用ゴム組成物は、色移行しやすい染料で染色された布帛と当接して加硫されることを特徴とする。色移行しやすい染料は、分散染料が代表され、ポリエステル製の繊維を染色するときに用いられるので、布帛としては、ポリエステルの色物に効果的である。
【０００８】
本発明の靴用ゴム組成物は、廻しテープ，先ゴム，踵ゴム、靴底の靴部品として用いることを特徴とする。
【０００９】
【作用】
従来の靴用ゴム組成物は、未加硫状態で靴甲被に当接された後、加硫されると、靴甲被の染料が靴用ゴム部品の表面に移行して、靴用ゴム部品が明色の場合、分散染料による色移行が著しい。しかしながら、本発明の靴用ゴム組成物は、活性炭を配合しているので、少量添加しても分散染料を吸着して、色移行を防止することができる。また、染料移行の著しい靴甲被に使用する明色の靴用ゴム部品は、単独では色移行を防止することは難しいが、下層と上層よりなる靴用ゴム部品であり、ゴム成分１００重量部に対して酸化チタンを１０〜７０重量部と活性炭を０．１〜１００重量部またはカーボンブラックを１０〜１００重量部配合したゴム組成物を下層とし、明色ゴム組成物を上層としたので、色移行を防止することができ、デザイン上からも明色の靴用ゴム部品を用いた製品を製造することが出来る。
【００１０】
【実施例】
実施例１〔廻しテープ１の製造〕
表１に記載のゴム配合に従い、ゴム生地を混練し、厚さ１．８ｍｍのシートに圧延した後、未加硫の廻しテープを得た。（図示せず）
【表１】

【００１１】
実施例２〔廻しテープ２の製造〕
表１及び表２に記載のゴム配合に従い、それぞれゴム生地を混練し、表１のゴム生地を厚さ０．６ｍｍに圧延し、この上に表２のゴム生地１．０ｍｍをトッピングした後、図１，２に示す未加硫の廻しテープを得た。
【表２】

【００１２】
実施例３〔靴底用ゴム部品の製造〕
表３に記載のゴム配合に従い、ゴム生地を混練し、厚さ５ｍｍのシートに圧延した後、これを靴型に裁断し、図３，４に示す未加硫の靴底用ゴム部品を得た。
【表３】

【００１３】
実施例４〔靴１の製造〕
分散染料を用いて染色したポリエステル製の青色の織布を表材とした靴甲被を縫製後、中底と共にラストに吊込み、靴甲被の底面及び底周縁部に接着剤を塗布し乾燥した。そして、実施例１の底ゴム及び実施例２の廻しテープゴムを貼り付けた後、加硫缶に投入し、１３０℃にて加硫した後、冷却後、ラストより型抜きし靴１を得た。
【００１４】
加硫後の靴１は、外観上は問題なく、廻しテープや底ゴムの表面に靴甲被からの染料の汚染は見られなかった。
また、この靴を１年間放置しても、廻しテープや底ゴムの表面に靴甲被からの染料の汚染は見られなかった。
【００１５】
実施例５〔靴２の製造〕
分散染料を用いて染色したポリエステル製の黒色の織布を表材とした靴甲被を縫製後、中底と共にラストに吊込み、靴甲被の下面及び下周縁部に接着剤を塗布し乾燥した。
そして、茶色の型底ゴム及び実施例３の廻しテープゴムを貼り付けた後、加硫缶に投入し、１３０℃にて加硫した後、冷却後、ラストを型抜きし靴２を得た。
【００１６】
加硫後の靴２は、外観上は問題なく、廻しテープの表面に靴甲被からの染料の汚染は見られなかった。
また、この靴２を１年間放置しても、廻しテープの表面に靴甲被からの染料の汚染は見られなかった。
【００１７】
【発明の効果】
本発明の靴用ゴム組成物は、ゴム成分１００重量部に対して活性炭を０．１〜１０重量部と酸化チタンを１０〜７０重量部配合したので、明色配合の靴用ゴム組成物であっても、靴甲被より靴用ゴム部品に染料が色移行するのを防止することができ、外観のよい製品を製造することができる。
【００１８】
また、本発明の靴用ゴム部品は、下層と上層よりなる靴用ゴム部品であり、ゴム成分１００重量部に対して酸化チタンを１０〜７０重量部と活性炭を０．１〜１００重量部、若しくはカーボンブラックを１０〜１００重量部配合したゴム組成物を下層とし、明色ゴム組成物を上層としたので、靴甲被より靴用ゴム部品に染料が色移行するのを防止することができ、外観のよい製品を製造することができる。
【図面の簡単な説明】
【図１】実施例の廻しテープの平面図
【図２】図１のＡ−Ａ線断面図
【図３】実施例の底の平面図
【図４】図１のＢ−Ｂ線断面図
【符号の説明】
１．廻しテープ
２．上層
３．下層
４．底ゴム
５．小口部[0001]
[Field of the Invention]
The present invention relates to a rubber composition for shoes and a rubber component for shoes, which are used for a shoe using a woven fabric dyed with a disperse dye or the like which easily shifts in color for a shoe upper.
[0002]
[Prior art]
When white rubber parts were used for shoe uppers dyed with disperse dyes, the dyes turned around and moved to the surface of the tape, bottom, etc., making the appearance unsightly and reducing the quality. In such a case, the shoe upper must be changed to another material that does not transfer color, and there is a problem that the material of the upper is limited. In addition, there may be a color shift with time, causing a problem in quality.
[0003]
[Problems to be solved by the invention]
The present invention solves the above-mentioned problems and provides a rubber composition for shoes and a rubber part for shoes which do not cause a color shift even when used for an upper dyed with a disperse dye.
[0004]
[Means for solving the problems]
The rubber composition for shoes of the present invention is characterized by blending 0.1 to 10 parts by weight of activated carbon and 10 to 70 parts by weight of titanium oxide with respect to 100 parts by weight of the rubber component.
[0005]
Shoe rubber component of the present invention is a shoe rubber parts consisting of lower layer and the upper layer, 0.1 parts by weight of 10 to 70 parts by weight of activated carbon titanium oxide relative to 100 parts by weight of the rubber component, and carbon A rubber composition containing 10 to 100 parts by weight of black is used as a lower layer, and a light rubber composition is used as an upper layer.
[0006]
The rubber component used in the present invention may be natural rubber, synthetic rubber or a blend thereof. The synthetic rubber is not particularly limited, but styrene-butadiene rubber is often used in footwear. The activated carbon preferably has a strong adsorptive power, and in order to improve dispersion, fine powder may be used as a master batch and kneaded with rubber.
[0007]
The rubber composition for shoes of the present invention is characterized in that it is vulcanized in contact with a fabric dyed with a dye that easily shifts in color. Disperse dyes are representative of dyes that easily undergo color transfer, and are used when dyeing polyester fibers. Therefore, the fabric is effective for colored polyester.
[0008]
The rubber composition for shoes of the present invention is characterized by being used as a rotating tape, a tip rubber, a heel rubber, or a shoe part of a shoe sole.
[0009]
[Action]
When a conventional rubber composition for shoes is brought into contact with the shoe upper in an unvulcanized state and then vulcanized, the dye of the shoe upper is transferred to the surface of the rubber part for shoes, and the rubber for shoes When the part is light color, the color transfer by the disperse dye is remarkable. However, since the rubber composition for shoes of the present invention contains activated carbon, even if it is added in a small amount, it can adsorb disperse dyes and prevent color migration. In addition, a light colored shoe rubber part used for a shoe upper with a remarkable dye transfer is difficult to prevent color transfer by itself, but is a rubber part for shoes consisting of a lower layer and an upper layer, and 100 parts by weight of a rubber component. the 10 to 70 parts by weight of activated carbon titanium oxide rubber composition 10 to 100 parts by blending 0.1 to 100 parts by weight or carbon black as the lower layer with respect, because the light color rubber composition was the upper layer, Color migration can be prevented, and a product using light-colored rubber parts for shoes can be manufactured from the viewpoint of design.
[0010]
【Example】
Example 1 [Production of rotating tape 1]
In accordance with the rubber composition shown in Table 1, the rubber dough was kneaded and rolled into a sheet having a thickness of 1.8 mm, and an unvulcanized turning tape was obtained. (Not shown)
[Table 1]

[0011]
Example 2 [Production of rotating tape 2]
In accordance with the rubber composition described in Table 1 and Table 2, the rubber dough was kneaded, the rubber dough in Table 1 was rolled to a thickness of 0.6 mm, and the rubber dough 1.0 mm in Table 2 was topped thereon, The unvulcanized rotating tape shown in FIGS.
[Table 2]

[0012]
Example 3 [Manufacture of rubber parts for shoe soles]
According to the rubber composition shown in Table 3, the rubber dough is kneaded and rolled into a sheet having a thickness of 5 mm, and then cut into a shoe mold to obtain an unvulcanized rubber component for a shoe sole as shown in FIGS. It was.
[Table 3]

[0013]
Example 4 [Manufacture of shoes 1]
After sewing a shoe upper with a blue woven fabric made of polyester dyed with disperse dye, hang it on the last with the insole, apply an adhesive to the bottom and bottom edge of the shoe upper and dry did. And after sticking the bottom rubber of Example 1 and the turning tape rubber of Example 2, it puts into a vulcanizing can, vulcanizes at 130 degreeC, Then, after cooling, the mold was cut out from the last and the shoe 1 was obtained. .
[0014]
The vulcanized shoe 1 had no problem in appearance, and no staining of the dye from the shoe upper was observed on the surface of the rotating tape or the bottom rubber.
In addition, even if this shoe was left for one year, no staining of the dye from the shoe upper was observed on the surface of the turning tape or the bottom rubber.
[0015]
Example 5 [Manufacture of shoes 2]
After sewing the shoe upper with a black woven fabric made of polyester dyed with disperse dye, hang it on the last with the insole, apply adhesive on the lower and lower peripheral edge of the shoe upper and dry did.
And after sticking brown mold bottom rubber and the rotation tape rubber of Example 3, it put into a vulcanizing can, vulcanized at 130 ° C, and after cooling, the last was cut out and shoes 2 were obtained.
[0016]
The shoe 2 after vulcanization had no problem in appearance, and no staining of the dye from the shoe upper was observed on the surface of the rotating tape.
Further, even if this shoe 2 was left for one year, no staining of the dye from the shoe upper was observed on the surface of the turning tape.
[0017]
【Effect of the invention】
The rubber composition for shoes according to the present invention contains 0.1 to 10 parts by weight of activated carbon and 10 to 70 parts by weight of titanium oxide with respect to 100 parts by weight of the rubber component. Even if it exists, it can prevent a dye from color-transferring to the rubber part for shoes from a shoe upper, and can manufacture a product with a good external appearance.
[0018]
Also, shoe rubber component of the present invention is a shoe rubber parts consisting of lower layer and the upper layer, 0.1 parts by weight of 10 to 70 parts by weight of activated carbon titanium oxide relative to 100 parts by weight of the rubber component, Alternatively, the rubber composition containing 10 to 100 parts by weight of carbon black is used as the lower layer and the light-colored rubber composition is used as the upper layer, so that the dye can be prevented from transferring color from the shoe upper to the shoe rubber parts. A product with good appearance can be manufactured.
[Brief description of the drawings]
1 is a plan view of a rotating tape according to an embodiment. FIG. 2 is a sectional view taken along line AA in FIG. 1. FIG. 3 is a plan view of the bottom according to the embodiment. Explanation of symbols]
1. Rotating tape Upper layer 3. Lower layer 4. 4. bottom rubber Forehead

Claims

A rubber composition for shoes for vulcanizing by contacting with a shoe upper, which is a fabric dyed with disperse dyes that easily migrate, wherein the rubber composition for shoes is 100 parts by weight of rubber component When 0.1 to 10 parts by weight of activated carbon and 10 to 70 parts by weight of titanium oxide are blended and vulcanized in contact with the shoe upper, which is a fabric dyed with a disperse dye that is likely to undergo color transition in an unvulcanized state, A rubber composition for shoes, characterized in that no staining is observed from the shoe upper, which is a fabric dyed with a disperse dye that easily migrates to the surface.

A rubber part for shoes consisting of a lower layer and an upper layer for contacting and vulcanizing the shoe upper which is a fabric dyed with a disperse dye which easily migrates, wherein the shoe rubber part has 100 parts by weight of a rubber component The rubber composition containing 10 to 70 parts by weight of titanium oxide and 0.1 to 100 parts by weight of activated carbon or 10 to 100 parts by weight of carbon black is used as the lower layer, and the light rubber composition is used as the upper layer. It is a fabric dyed with a disperse dye which is easy to color shift to the surface when vulcanized in contact with the shoe upper, which is a fabric dyed with a disperse dye which is easy to color shift in an unvulcanized state. Rubber parts for shoes, characterized by the absence of staining contamination from the shoe upper.