JP3192224B2 - Powder rubber composite - Google Patents
Powder rubber compositeInfo
- Publication number
- JP3192224B2 JP3192224B2 JP18052692A JP18052692A JP3192224B2 JP 3192224 B2 JP3192224 B2 JP 3192224B2 JP 18052692 A JP18052692 A JP 18052692A JP 18052692 A JP18052692 A JP 18052692A JP 3192224 B2 JP3192224 B2 JP 3192224B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- powder
- powder rubber
- composite
- binder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、粉末ゴム複合物に関す
るものである。この粉末ゴム複合物は、フレーク状弾性
粉末ゴムを使用した複合物で公園歩道、商店街の歩道、
運動用の施設例えば陸上競技場、屋内体育館、屋上施
設、ゴルフ場歩径路、球技コート、ジョギングコース等
に使用される。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powder rubber composite. This powder rubber composite is a composite using flake-like elastic powder rubber, a park sidewalk, a shopping street sidewalk,
It is used for athletic facilities such as athletic stadiums, indoor gymnasiums, rooftop facilities, golf course footpaths, ball games courts, jogging courses and the like.
【０００２】[0002]
【従来の技術】従来、公園歩道、運動用の施設等に使用
される舗装体としては、アスファルトおよびプラスチッ
クが利用された。最近では弾性粉末ゴムを液状バインダ
ーを用いて結合した複合物が多く使用されているがそれ
らの複合物に使用される粉末ゴムは粒状粉末ゴムをバイ
ンダーを用いて結合一体化せしめた複合物である。2. Description of the Related Art Conventionally, asphalts and plastics have been used as pavements used for park sidewalks, sports facilities and the like. In recent years, composites obtained by combining elastic powder rubber with a liquid binder have been widely used, but the powder rubber used for those composites is a composite obtained by binding and integrating granular powder rubber with a binder. .
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、アスフ
ァルトは、歩行者、利用者の足腰を痛め、不快感を与
え、プラスチックは舗装体の価格が高価という難点があ
る。弾性粉末ゴムを使用したゴム複合物は、これらの粉
末ゴムの形状が粒状であるため個々の粉末ゴム粒子間は
強力に密着せず、この複合材の引っ張り強さ、引き裂き
強さ、耐屈曲性等の物理的性質および平坦性が劣る。ま
た、従来の粉末ゴムを使用したゴム複合物の一部拡大断
面図図２で示すように、接着部はａの如く略直線となる
為、耐候性では接着層に沿い亀裂が深くなり、遂に粒状
ゴムが脱落したり折れ曲がる等の欠点があった。本発明
の目的は、ゴム複合物に使用する粉末ゴムの形状を改良
し、引っ張り強さ、引き裂き強さおよび耐屈曲性の良好
なゴム複合物を提供することを目的とする。However, asphalt hurt pedestrians and users, causing discomfort, and plastic has the disadvantage that the price of pavement is expensive. Rubber composites using elastic powder rubber do not adhere strongly between individual powder rubber particles due to the granular shape of the powder rubber, and the tensile strength, tear strength, and bending resistance of this composite material Physical properties and flatness are inferior. In addition, as shown in FIG. 2 which is a partially enlarged cross-sectional view of a conventional rubber composite using powdered rubber, since the bonding portion is substantially straight as shown by a, the cracks are deepened along the bonding layer in the weather resistance, and finally, There were drawbacks such as falling off or bending of the granular rubber. An object of the present invention is to improve the shape of powder rubber used in a rubber composite and to provide a rubber composite having good tensile strength, tear strength and flex resistance.
【０００４】[0004]
【課題を解決するための手段】 本発明者は、従来の粒
状ゴムを液状のバインダーと結合して一体にした複合物
は粒と粒を接着させるため接着剤の性能が複合物本体の
性能に最も影響があると言われてきたが、本発明では粉
末ゴムの形状を研究することにより粉末ゴム複合物の物
理的性質および外観を改良することができた。即ち、本
発明は厚み０．５〜３ｍｍ、粒径３〜１５ｍｍの鱗片状
の加硫ゴムの粉末ゴムを液状の硬化可能なゴム、ウレタ
ン、プラスチック等のバインダーで結合一体化させてな
る粉末ゴム複合物である。Means for Solving the Problems The inventor of the present invention has proposed that a composite obtained by combining a conventional granular rubber with a liquid binder to form a single body adheres the particles to each other. Although said to have the greatest impact, the present invention was able to improve the physical properties and appearance of the powdered rubber composite by studying the shape of the powdered rubber. That is, the present invention is a flaky shape having a thickness of 0.5 to 3 mm and a particle size of 3 to 15 mm.
A curable rubber powder rubber liquid vulcanized rubber, urethane, rubber powder composites made by integrally bonding with a binder such as plastic.
【０００５】 鱗片状の粉末ゴムの厚み０．５ｍｍ以下
ではウレタンバインダーで固まってしまい、３ｍｍ以上
では均一に積層されない。粒径が３ｍｍ以下では同じく
固まってしまい、１５ｍｍ以上では均一に積層されな
い。本発明を詳細に説明する。図１は本発明の鱗片状粉
末ゴム複合物の一部拡大断面図である。１は鱗片状粉末
ゴムを２のウレタンバインダーで一体化してある。鱗片
状と鱗片状の接合は図１の如く鱗片状粉末ゴムのため積
み重ねられた状態即ち積層状況となり、接合層ａは蛇行
線により構造上からも引張り強さ、引き裂き強さ、耐屈
曲、耐候性等物理的性質に優れ又平坦性に優れた粉末ゴ
ム複合物が得られるようになる。[0005] When the thickness of the flaky powder rubber is 0.5 mm or less, it is solidified by a urethane binder, and when it is 3 mm or more, it is not laminated uniformly. If the particle size is 3 mm or less, the particles are similarly hardened, and if the particle size is 15 mm or more, the layers are not uniformly laminated. The present invention will be described in detail. Figure 1 is a partially enlarged cross-sectional view of a scale-like powder rubber composite of the present invention. 1 is a scale- like powder rubber integrated with 2 urethane binders. The scaly and scaly joints are in a stacked state, i.e., in a laminated state because of the scaly powder rubber as shown in FIG. 1, and the joining layer a has a meandering line from the top of the structure for tensile strength, tear strength, A powdered rubber composite having excellent physical properties such as bending resistance and weather resistance and excellent flatness can be obtained.
【０００６】 鱗片状粉末ゴムは厚みが３ｍｍ以下の加
硫ゴムのシート或は産業廃棄物の加硫ゴムの薄片シート
物を選別し、プラスチックや加硫ゴムのシート物の粉砕
機にて粉砕し、粉砕機のクリーニングの網目を通すこと
により３〜１５ｍｍ粒度の粉末ゴムを得ることができ
る。[0006] The scaly powder rubber is selected from a vulcanized rubber sheet having a thickness of 3 mm or less or a vulcanized rubber flake sheet of industrial waste, and pulverized by a pulverizer of a plastic or vulcanized rubber sheet. The powder rubber having a particle size of 3 to 15 mm can be obtained by passing through a cleaning mesh of a pulverizer.
【０００７】 この粉末ゴムは液状の硬化可能なゴム、
ウレタン、プラスチック等のバインダーを介して結合し
て一体化した複合物となる。例えば使用済み自動車タイ
ヤを更新する時に大量に発生するトレッド切削ピーリン
グ片より厚み３ｍｍ以下のテープ状の薄いシート片を選
別しシート用粉砕機にて粉砕し１０ｍ／ｍの網目のクリ
ーニングにて篩分することにより１０ｍｍ以下の粒度の
タイヤ鱗片状粉末ゴムが得られる。このタイヤ鱗片状粉
末ゴムを使用した複合物は自動車タイヤのもつ優れた物
性即ち強靭で耐屈曲、耐候性、耐磨耗性等に優れた複合物
を作ることができる。又同じタイヤ鱗片状粉末ゴムをゴ
ム、プラスチックの溶液およびラテックス又はエマルジ
ョンと顔料、添加剤により表面を着色して着色鱗片状粉
末ゴムを作ることができる。This powder rubber is a liquid curable rubber,
A composite compound is formed by bonding via a binder such as urethane or plastic. For example, a tape-shaped thin sheet piece having a thickness of 3 mm or less is selected from tread cut peeling pieces generated in large quantities when a used automobile tire is renewed, crushed by a sheet crusher, and sieved by cleaning a mesh of 10 m / m. By doing so, a tire flaky powder rubber having a particle size of 10 mm or less can be obtained. The composite using the tire flaky powder rubber can produce a composite excellent in physical properties of an automobile tire, that is, excellent in toughness, bending resistance, weather resistance, abrasion resistance and the like. Also, the same tire flaky powder rubber can be colored with a solution of a rubber or plastic, a latex or emulsion, a pigment, and an additive to produce a colored flaky powder rubber.
【０００８】 又カラー加硫ゴムのシート片又はカラー
加硫ゴムの産業廃棄物の３ｍｍ厚みのシート片を粉砕し
てカラー鱗片状粉末ゴムを製造することができる。これ
らの着色鱗片状粉末ゴムやカラー鱗片状粉末ゴムを液状
の硬化可能なゴム、ウレタン、プラスチック等のバイン
ダーで結合させ一体化させてカラー複合物が製造でき
る。[0008] Furthermore, a color scale-like powder rubber can be produced by pulverizing a sheet of color vulcanized rubber or a sheet of color vulcanized rubber industrial waste having a thickness of 3 mm. A color composite can be produced by combining these colored flaky powder rubbers and color flaky powder rubbers with a binder such as a liquid curable rubber, urethane, plastic or the like and integrating them.
【０００９】[0009]
【作用】従来からの粉末ゴムは粉状、粒状の形状のもの
が使用され、特に粒状の物が主として使用されてきた
が、粉末、粒状の粉末ゴムを液状のバインダーにて結合
し一体化する時、粉と粉、粒と粒とが即ち点と点がバイ
ンダーにて結ばれる結果になり、粒と粒およびバインダ
ーが表面に露出するため複合物の耐久性はバインダーの
物性により決定する。A conventional powder rubber is used in the form of a powder or a granule, and in particular, a granular material has been mainly used. However, the powder rubber and the powder rubber are combined with a liquid binder to be integrated. At this time, the powder-to-powder, and the particles-to-particle, that is, the points-to-point are connected by the binder, and the durability of the composite is determined by the physical properties of the binder because the particles, the particles, and the binder are exposed on the surface.
【００１０】 即ち安定した加硫ゴムの素材の物性を利
用するため粉末ゴムの形状を点より面で使用するため薄
い鱗片状の形状にすることにより露出する結合部（バイ
ンダー部）を少なくし、安定な加硫ゴムの露出部を多く
なるようにした鱗片状の粉末ゴムの積層複合物とするこ
とにより耐候性、耐屈曲性の優れた粉末ゴム複合物が得
られた。[0010] That is, in order to use the physical properties of the material of the stable vulcanized rubber, the shape of the powdered rubber is used in a plane rather than a point, so that a thin scale- like shape is used to reduce the exposed bonding portion (binder portion). By forming a laminar composite of flaky powder rubber in which the exposed portion of the stable vulcanized rubber was increased, a powder rubber composite having excellent weather resistance and bending resistance was obtained.
【００１１】 実施例に基づいて本発明を詳細に説明す
る。 （実施例１） 鱗片状粉末ゴム（自動車タイヤのトレッ
ドゴム部分を粉砕した３〜１０ｍｍの鱗片状粉末ゴム）
１００重量部を一液性ウレタン（ポリプロピレンポリオ
ールの末端トリレンジイソシアネートアダクト、武田薬
品工業株式会社製、商品名タケネートF１５１）３０重
量部と混練混合して、板状に展圧し、常温にて硬化さ
せ、一週間後比重０．７５、引張り強さ１１Kｇ／ｃ
ｍ2、伸び７５％の透水性に優れた複合物が得られた。The present invention will be described in detail based on examples. (Example 1) Scale- like powder rubber (3 to 10 mm scale- like powder rubber obtained by grinding a tread rubber portion of an automobile tire)
100 parts by weight of one-pack urethane (end tolylene diisocyanate adduct of polypropylene polyol, manufactured by Takeda Chemical Industries, Ltd., trade name Takenate F151) were mixed 30 parts by weight and kneaded, and pressure exhibition in a plate shape, curing at room temperature After one week, specific gravity 0.75, tensile strength 11kg / c
A composite excellent in water permeability with m 2 and elongation of 75% was obtained.
【００１２】（実施例２）鱗片状粉末ゴム５０重量部と
粒状粉末ゴム（自動車タイヤのトレッドゴム部を粉砕し
た）５０重量部を一液性ウレタン３０重量部とを混練り
混合して板状に展圧して常温にて硬化させ、一週間後比
重０．７５、引っ張り強さ９．０Kｇ／ｃｍ2 、伸び７
０％の透水性に優れた複合物が得られた。[0012] (Example 2) scale-like powder rubber 50 (obtained by grinding the tread rubber portion of the automobile tires) parts by weight of particulate rubber powder 50 parts by weight kneading a one-component urethane 30 parts by weight of a plate-like After one week, the specific gravity was 0.75, the tensile strength was 9.0 kg / cm 2 , and the elongation was 7
A composite having excellent water permeability of 0% was obtained.
【００１３】[0013]
【効果】 本発明の鱗片状粉末ゴムを使用したゴム複合
物は構造上からも引っ張り強さ、引き裂き強さ、耐屈
曲、耐候性等物理的性質に優れ、その上平坦性に優れた
ゴム複合物であり、公園歩道、商店街の歩道、運動用の
施設例えば陸上競技場、屋内体育館、屋上施設、ゴルフ場
歩径路、球技コート、ジョギングコース等に使用され有
用である。The rubber composite using the scaly powder rubber of the present invention is excellent in physical properties such as tensile strength, tear strength, bending resistance, weather resistance and the like, and also excellent in flatness even from the structural point of view. It is useful for park sidewalks, shopping street sidewalks, sports facilities such as athletics stadiums, indoor gymnasiums, rooftop facilities, golf course walkways, ball games courts, jogging courses and the like.
【図１】 図１は本発明の鱗片状粉末ゴムを使用した板
状ゴム複合物の一部拡大図である。FIG. 1 is a partially enlarged view of a plate-shaped rubber composites using scaly powder rubber of the present invention.
【図２】 図２は従来の粉末ゴムを使用した板状ゴム複
合物の一部拡大図である。FIG. 2 is a partially enlarged view of a plate-like rubber composite using a conventional powder rubber.
１ 鱗片状粉末ゴム ２ ウレタンバインダー1 scaly powder rubber 2 urethane binder
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C08L 17/00 C08L 101/00 C08J 3/00 C08J 5/00 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C08L 17/00 C08L 101/00 C08J 3/00 C08J 5/00
Claims (2)
が３〜１５ｍｍの鱗片状の加硫ゴムの粉末ゴムを液状の
硬化可能なゴム、ウレタン、プラスチック等のバインダ
ーで結合させ一体化させてなることを特徴とする粉末ゴ
ム複合物。1. A scale-like vulcanized rubber powder rubber having a thickness of 0.5 to 3 mm and a particle size of 3 to 15 mm of a powder rubber is bonded with a binder of liquid curable rubber, urethane, plastic or the like to form an integrated body. flour powder rubber composite characterized by comprising by reduction.
ことを特徴とする請求項1記載の粉末ゴム複合物2. The powder rubber composite according to claim 1, wherein the binder is a two-pack type polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18052692A JP3192224B2 (en) | 1992-06-16 | 1992-06-16 | Powder rubber composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18052692A JP3192224B2 (en) | 1992-06-16 | 1992-06-16 | Powder rubber composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05345838A JPH05345838A (en) | 1993-12-27 |
| JP3192224B2 true JP3192224B2 (en) | 2001-07-23 |
Family
ID=16084811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18052692A Expired - Fee Related JP3192224B2 (en) | 1992-06-16 | 1992-06-16 | Powder rubber composite |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3192224B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2452424C (en) * | 2001-07-13 | 2008-09-23 | Biorepla Corporation | Biodegradable plastic composition |
-
1992
- 1992-06-16 JP JP18052692A patent/JP3192224B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05345838A (en) | 1993-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |