JPH07110934B2 - Composite sealing material - Google Patents
Composite sealing materialInfo
- Publication number
- JPH07110934B2 JPH07110934B2 JP3183076A JP18307691A JPH07110934B2 JP H07110934 B2 JPH07110934 B2 JP H07110934B2 JP 3183076 A JP3183076 A JP 3183076A JP 18307691 A JP18307691 A JP 18307691A JP H07110934 B2 JPH07110934 B2 JP H07110934B2
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- water
- sealing material
- core material
- swellable
- 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 - Lifetime
Links
- 239000002131 composite material Substances 0.000 title claims description 28
- 239000003566 sealing material Substances 0.000 title claims description 28
- 229920001971 elastomer Polymers 0.000 claims description 51
- 239000005060 rubber Substances 0.000 claims description 51
- 239000011162 core material Substances 0.000 claims description 27
- 229920003051 synthetic elastomer Polymers 0.000 claims description 12
- 239000005061 synthetic rubber Substances 0.000 claims description 12
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 11
- 244000043261 Hevea brasiliensis Species 0.000 claims description 9
- 229920003052 natural elastomer Polymers 0.000 claims description 9
- 229920001194 natural rubber Polymers 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 8
- 229920005862 polyol Polymers 0.000 claims description 8
- 150000003077 polyols Chemical class 0.000 claims description 8
- 229920005549 butyl rubber Polymers 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 4
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 229920003049 isoprene rubber Polymers 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 229920003043 Cellulose fiber Polymers 0.000 claims description 2
- -1 acryl Chemical group 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 230000008961 swelling Effects 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 244000286663 Ficus elastica Species 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
- Building Environments (AREA)
- Sealing Material Composition (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】本発明は、土木、建築におけるコ
ンクリート打設の打継部やコンクリート硬化後のクラッ
クあるいはコンクリート、スティール製品のジョイント
部に配設する複合シール材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite sealing material to be installed in a joint portion of concrete placement in civil engineering and construction, a crack after hardening of concrete or a joint portion of concrete and steel products.
【０００２】[0002]
【従来の技術】例えば従来シールド工法で用いるシール
ドセグメントの接合部などに配設するシール材として
は、天然ゴムあるいはブチルゴムに吸水性樹脂（ポニビ
ニルアルコール、ポリアクリル酸塩など）を加えたもの
や水膨潤性ウレタン樹脂を使用した水膨潤性ゴムを利用
するものが実用化されている。2. Description of the Related Art For example, as a sealing material to be arranged at a joint portion of a shield segment used in a conventional shield construction method, natural rubber or butyl rubber to which a water absorbent resin (pony vinyl alcohol, polyacrylate, etc.) is added, Those utilizing a water-swellable rubber using a water-swellable urethane resin have been put into practical use.
【０００３】さらに、このような水膨潤性ゴムと非膨潤
性ゴムとの複合シール材も種々提案されている。例え
ば、特開昭54-108157 号公報のリング状ゴムパッキンも
その一例であり、非膨潤性ゴム層は加硫型ゴムパウンド
またはブチルゴムパウンドを加硫することにより形成さ
れ、膨潤性ゴム層は加硫型ゴムパウンドまたはブチルゴ
ムパウンドと膨潤性樹脂との混練による膨潤性ゴム配合
物を加硫することによって形成される。Further, various composite sealing materials of such a water-swellable rubber and a non-swellable rubber have been proposed. For example, the ring-shaped rubber packing disclosed in JP-A-54-108157 is one such example.The non-swelling rubber layer is formed by vulcanizing a vulcanizable rubber compound or a butyl rubber compound, and the swelling rubber layer is vulcanized. It is formed by vulcanizing a swellable rubber compound obtained by kneading a vulcanizable rubber compound or a butyl rubber compound and a swelling resin.
【０００４】この特開昭54-108157 号公報のリング状ゴ
ムパッキンでは内側または外側に非膨潤性ゴム層を配置
することにより、その方向への膨潤性ゴム層の脹らみを
規制できる。ただし、使用はリング状パッキンであり、
長尺なシール材としてのものではない。In the ring-shaped rubber packing disclosed in JP-A-54-108157, by arranging the non-swelling rubber layer inside or outside, the swelling of the swelling rubber layer in that direction can be regulated. However, the ring packing is used,
It is not intended as a long sealing material.
【０００５】これに対して、実開昭 63-142468号公報で
は水膨潤性ゴムで長尺なパッキン材を構成した場合にこ
れが長さ方向にも膨潤することの不都合をなくすため
に、金属、硬質合成樹脂、硬質合成ゴム等の非伸長性線
条部材の外周を、該線条部材を芯材として同時に押し出
し成形され、成形後同時加硫された一般ゴムの内層と水
膨潤性ゴムの外層との複合層で被覆している。On the other hand, in Japanese Utility Model Laid-Open No. 63-142468, in order to eliminate the inconvenience of swelling in the longitudinal direction when a long packing material is made of water-swellable rubber, metal, An inner layer of a general rubber and an outer layer of a water-swelling rubber that are simultaneously extruded from the outer periphery of a non-stretchable linear member such as a hard synthetic resin or a hard synthetic rubber using the linear member as a core material, and are simultaneously vulcanized after molding. And is covered with a composite layer.
【０００６】前記一般ゴムの内層と水膨潤性ゴムの外層
とは同時押出しおよび同時加硫されることにより、相互
に接着性を発揮し、さらに一般ゴムの内層は芯材として
の線条部材の外周へも接着するのでこの一般ゴムの内層
の拘束を受けて水膨潤性ゴムの外層は長さ方向への膨潤
が規制され、太さ方向のみ膨潤する。The inner layer of the general rubber and the outer layer of the water-swelling rubber exhibit cohesiveness with each other by being coextruded and simultaneously vulcanized, and the inner layer of the general rubber is made of a linear member as a core material. Since it also adheres to the outer periphery, the outer layer of the water-swellable rubber is restricted from swelling in the length direction by being constrained by the inner layer of this general rubber, and swells only in the thickness direction.
【０００７】[0007]
【発明の解決しよとする課題】しかし、前記実開昭 63-
142468号公報のものは電線や光ファイバーケーブルなど
の長尺な部材の固定やシールに用いる長尺パッキングで
あり、あくまでこの長尺な部材である非伸長性線条部材
を芯材としてその目的、効果を達成できるものである。
従って、シールドセグメントの接合部などに配設するシ
ール材のごとき芯材となるものがない場合には適用でき
ない。かりに、加硫された一般ゴムによるものを芯材と
して水膨潤性ゴム内に配設してもその非伸長性には難が
あり、水膨潤性ゴムの長さ方向の膨潤を規制することは
困難である。[Problems to be Solved by the Invention]
No. 142468 is a long packing used for fixing and sealing long members such as electric wires and optical fiber cables, and the purpose and effect of this long member is a non-stretchable linear member as a core material. Can be achieved.
Therefore, it cannot be applied to the case where there is no core material such as a seal material arranged at the joint of the shield segment. However, even if the vulcanized general rubber is used as the core material and disposed in the water-swellable rubber, its non-stretchability is difficult, and it is difficult to control the swelling of the water-swellable rubber in the longitudinal direction. Have difficulty.
【０００８】本発明の目的は前記従来例の不都合を解消
し、使用する芯材は水膨潤性ゴムとの一体化が得られ、
しかも高度の非伸長性が実現できるので、水膨潤性ゴム
を長さ方向には膨潤させず、厚さ方向のみの膨潤作用で
効果的にシールができる複合シール材を提供することに
ある。The object of the present invention is to eliminate the disadvantages of the above-mentioned conventional examples, and the core material used can be integrated with water-swelling rubber,
Moreover, since a high degree of non-stretchability can be realized, it is an object of the present invention to provide a composite sealing material capable of effectively sealing by swelling action only in the thickness direction without swelling the water-swellable rubber in the length direction.
【０００９】[0009]
【課題を解決するための手段】本発明は前記目的を達成
するため、天然ゴム、合成ゴム、ウレタンポリマーとを
混練して組成する水膨潤性ゴムと、熱可塑性エラストマ
ーにガラス繊維や天然セルロース繊維の資維物質を一定
量添加して繊維物質を整列させてなる非伸長性芯材とを
押し出し成形し、前記水膨潤性ゴムと非伸長性芯材とを
同時に加硫して一体的に組合わせ、前記合成ゴムはネオ
プレンゴム、イソプレンゴム、スチレンブタジエンゴ
ム、ブチルゴム、クロロプレンゴム、ブタジエンゴム、
アクリルニトリリル・ブタンジエンゴム、エチレン・プ
ロピレンゴムから選ばれる１種あるいは１種以上からな
り、前記ウレタンポリマーは、親水基を有したポリエー
テルポリオールとイソシアネートからなることを要旨と
するものである。[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention has a water-swellable rubber formed by kneading a natural rubber, a synthetic rubber and a urethane polymer, a thermoplastic elastomer, a glass fiber and a natural cellulose fiber. A non-expandable core material formed by aligning fibrous substances by adding a certain amount of the fiber material is extruded, and the water-swellable rubber and the non-expandable core material are simultaneously vulcanized and integrally assembled. In combination, the synthetic rubber is neoprene rubber, isoprene rubber, styrene butadiene rubber, butyl rubber, chloroprene rubber, butadiene rubber,
The gist is that the urethane polymer is composed of one or more selected from acrylic nitrilyl butanediene rubber and ethylene propylene rubber, and the urethane polymer is composed of a polyether polyol having a hydrophilic group and an isocyanate.
【００１０】[0010]
【作用】本発明によれば、芯材は繊維物質を一定量添加
して押し出し成形される際に、繊維物質を整列させ、最
終的に加硫させた時にその整列している繊維物質の効果
により伸長性のないものとなる。そしてかかる芯材は水
膨潤性ゴムに埋設または複合化することで加硫時に完全
に一体化し、該芯材の長さ以上には膨潤しないように水
膨潤性ゴムを拘束する。According to the present invention, when the core material is extruded by adding a certain amount of the fibrous substance, the fibrous substance is aligned, and when it is finally vulcanized, the effect of the aligned fibrous substance is obtained. Makes it inextensible. By embedding or compounding the core material in the water-swellable rubber, the core material is completely integrated during vulcanization, and the water-swellable rubber is constrained so as not to swell more than the length of the core material.
【００１１】また、水膨潤性ゴムは天然ゴムや合成ゴム
とウレタンプレポリマーとの混練物で組成する。このう
ち、合成ゴムはネオプレンゴム、イソプレンゴム、スチ
レンブタジエンゴム、ブチルゴム、クロロプレンゴム、
ブタジエンゴム、アクリルニトリリル・ブタンジエンゴ
ム、エチレン・プロピレンゴムから選ばれる１種あるい
は１種以上からなる。また、ウレタンプレポリマーは親
水基を有したポリエーテルポリオールとイソシアネート
からなり、詳しくはエチレン・プロピレン共重合ポリオ
ールからなるポリエーテルポリオールとＴ．Ｄ．Ｉ（2.
4-トルエンジイソシアネートと2.6-トルエンジイソシア
ネートからなる）が挙げられる。なお、水膨潤性ゴムの
膨潤率は天然ゴムや合成ゴムとウレタンプレポリマーと
の配合比で決定される。The water-swellable rubber is composed of a kneaded product of natural rubber or synthetic rubber and urethane prepolymer. Among them, synthetic rubber is neoprene rubber, isoprene rubber, styrene butadiene rubber, butyl rubber, chloroprene rubber,
One or more selected from butadiene rubber, acrylic nitrylyl butanediene rubber, and ethylene propylene rubber. Further, the urethane prepolymer is composed of a polyether polyol having a hydrophilic group and an isocyanate, more specifically, a polyether polyol composed of an ethylene / propylene copolymer polyol and T.I. D. I (2.
Consisting of 4-toluene diisocyanate and 2.6-toluene diisocyanate). The swelling ratio of the water-swellable rubber is determined by the compounding ratio of the natural rubber or synthetic rubber and the urethane prepolymer.
【００１２】[0012]
【実施例】以下、図面について本発明の実施例を詳細に
説明する。図１は本発明の複合シール材の第１実施例を
示す斜視図で、図中１は水膨潤性ゴム、２は芯材であ
る。本実施例は芯材２は断面円形の紐条体であり、水膨
潤性ゴム１はこの芯材２を中央に配設した紐条体であ
る。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of the composite sealing material of the present invention, in which 1 is a water-swellable rubber and 2 is a core material. In this embodiment, the core material 2 is a cord body having a circular cross section, and the water-swellable rubber 1 is a cord body having the core material 2 arranged in the center.
【００１３】さきに芯材２の配合例を示すと次の通りで
ある。ＳＢＲ（ハイステレンゴム）100重量部、天然繊
維５〜30重量部、カーボンブラック30重量部、亜鉛華３
重量部、ステアリン酸２重量部、プロセス油２重量部で
ある。また、加硫系は硫黄１．５重量部、ＣＺ 0.8重量
部、Ｄ 0.2重量部、ＴＳ 0.2重量部で、加硫条件は 160
°Ｃ×10分とする。An example of the composition of the core material 2 is shown below. SBR (high-sterene rubber) 100 parts by weight, natural fiber 5-30 parts by weight, carbon black 30 parts by weight, zinc white 3
1 part by weight, 2 parts by weight of stearic acid, and 2 parts by weight of process oil. The vulcanization system was 1.5 parts by weight of sulfur, 0.8 parts by weight of CZ, 0.2 parts by weight of D, and 0.2 parts by weight of TS.
It shall be ° C x 10 minutes.
【００１４】この場合の芯材２の物性は、比重1.20〜1.
30、硬度90〜95、引張強度100 〜160 kgf/cm、伸び率20
0 〜400 ％となる。In this case, the core material 2 has a specific gravity of 1.20 to 1.
30, hardness 90-95, tensile strength 100-160 kgf / cm, elongation 20
It becomes 0 to 400%.
【００１５】一方、水膨潤性ゴム１は天然ゴムや合成ゴ
ムとウレタンプレポリマーとの混練物で組成する。この
うち、天然ゴムはゴム植物の樹液から取ったもの、合成
ゴムはネオプレンゴム、イソプレンゴム、スチレンブタ
ジエンゴム、ブチルゴム、クロロプレンゴム、ブタジエ
ンゴム、アクリルニトリリル・ブタンジエンゴム、エチ
レン・プロピレンゴムから選ばれる１種あるいは１種以
上からなる。また、ウレタンプレポリマーは親水基を有
したポリエーテルポリオールとイソシアネートからな
り、詳しくはエチレン・プロピレン共重合ポリオールか
らなるポリエーテルポリオールとＴ．Ｄ．Ｉ(2.4−トル
エンジイソシアネートと 2.6−トルエンジイソシアネー
トからなる）が挙げられる。なお、水膨潤性ゴム１の膨
潤率は天然ゴムや合成ゴムとウレタンプレポリマーとの
配合比で決定される。On the other hand, the water-swellable rubber 1 is composed of a kneaded product of natural rubber or synthetic rubber and urethane prepolymer. Among them, natural rubber is taken from sap of rubber plant, synthetic rubber is selected from neoprene rubber, isoprene rubber, styrene butadiene rubber, butyl rubber, chloroprene rubber, butadiene rubber, acrylic nitrylyl butanediene rubber, ethylene propylene rubber. One or more than one type. Further, the urethane prepolymer is composed of a polyether polyol having a hydrophilic group and an isocyanate, more specifically, a polyether polyol composed of an ethylene / propylene copolymer polyol and T.I. D. I (consisting of 2.4-toluene diisocyanate and 2.6-toluene diisocyanate). The swelling ratio of the water-swellable rubber 1 is determined by the compounding ratio of the natural rubber or synthetic rubber and the urethane prepolymer.
【００１６】ＳＢＲは旭化成工業（株）のＳＢＲ（ハイ
ステレン含）ＡＣＢ─８２５９が好適であり、天然繊維
は三菱モンサント化成（株）の商品名、サントウエーブ
が好適である。一例としてＳＢＲ90％に対してサントウ
エーブ10％を配合する。そして、６倍の水膨潤性ゴム２
を複合丸にして押出し成形し、同時に加硫して両者を一
体化した。As the SBR, SBR (including hysterene) ACB-8259 manufactured by Asahi Kasei Co., Ltd. is suitable, and as the natural fiber, Santo Wave, a trade name of Mitsubishi Monsanto Kasei Co., Ltd. is suitable. As an example, 10% of Sant Wave is mixed with 90% of SBR. And 6 times the water-swellable rubber 2
Was extruded into a composite circle and simultaneously vulcanized to integrate the two.
【００１７】本発明の複合シール材はシールドセグメン
トの接合部などに配設するが、図18に示すように水膨潤
性ゴム１は水膨潤作用を発揮するが、芯材２は繊維物質
を一定量添加して押し出し成形される際に、繊維物質を
整列させ、最終的に加硫させた時にその整列している繊
維物質の効果により伸長性のないものとなるので、この
芯材２の長さ以上には膨潤しないように水膨潤性ゴム１
を拘束する。その結果、水膨潤性ゴム１は長さ方向には
膨潤せず、厚さ方向にのみ膨潤する。The composite sealing material of the present invention is disposed at the joints of the shield segments. As shown in FIG. 18, the water-swellable rubber 1 exerts a water-swelling action, but the core material 2 has a constant fibrous substance. When the fibrous substances are aligned when they are added in an amount and extruded, and when they are finally vulcanized, they become inextensible due to the effect of the aligned fibrous substances. Water-swellable rubber so that it does not swell more than 1
Restrain. As a result, the water-swellable rubber 1 does not swell in the length direction but only in the thickness direction.
【００１８】図２〜図７は第２〜第７実施例を示すもの
で、前記第１実施例とおなじく芯材２は水膨潤性ゴム１
の内部に埋設する場合であるが、断面形状は図示のごと
く種々選択でき、また、図６に示すように芯材２は複数
条となってもよい。2 to 7 show the second to seventh embodiments. The core material 2 similar to the first embodiment is a water-swellable rubber 1.
However, the cross-sectional shape can be variously selected as shown in the drawing, and the core material 2 may be a plurality of threads as shown in FIG.
【００１９】図８〜図17は第８〜第17実施例を示すもの
で、芯材２と水膨潤性ゴム１とは接合状態で組み合わせ
たもので、いずれか一方が他方を取り込むようにする場
合もある。8 to 17 show the eighth to seventeenth embodiments, in which the core material 2 and the water-swelling rubber 1 are combined in a joined state, and one of them takes in the other. In some cases.
【００２０】なお、前記実施例では芯材２に合成ゴムを
使用した場合を述べたが、天然ゴムや熱可塑性エラスト
マーを使用し、これに天然繊維、ガラス繊維等を混ぜる
ようにしてもよい。Although a synthetic rubber is used for the core material 2 in the above embodiment, natural rubber or thermoplastic elastomer may be used and natural fiber, glass fiber or the like may be mixed therein.
【００２１】[0021]
【発明の効果】以上述べたように本発明の複合シール材
は、使用する芯材は水膨潤性ゴムとの一体化が得られ、
しかも高度の非伸長性が実現できるので、この芯材の作
用で水膨潤性ゴムを長さ方向には膨潤させず、厚さ方向
のみの膨潤させて効果的にシールができるものである。As described above, in the composite sealing material of the present invention, the core material used can be integrated with the water-swelling rubber,
Moreover, since a high degree of non-stretchability can be realized, the water-swellable rubber is not swollen in the length direction by the action of the core material, but is swollen only in the thickness direction, thereby effectively sealing.
【図１】本発明の複合シール材の第１実施例を示す斜視
図である。FIG. 1 is a perspective view showing a first embodiment of a composite sealing material of the present invention.
【図２】本発明の複合シール材の第２実施例を示す斜視
図である。FIG. 2 is a perspective view showing a second embodiment of the composite sealing material of the present invention.
【図３】本発明の複合シール材の第３実施例を示す斜視
図である。FIG. 3 is a perspective view showing a third embodiment of the composite sealing material of the present invention.
【図４】本発明の複合シール材の第４実施例を示す斜視
図である。FIG. 4 is a perspective view showing a fourth embodiment of the composite sealing material of the present invention.
【図５】本発明の複合シール材の第５実施例を示す斜視
図である。FIG. 5 is a perspective view showing a fifth embodiment of the composite sealing material of the present invention.
【図６】本発明の複合シール材の第６実施例を示す斜視
図である。FIG. 6 is a perspective view showing a sixth embodiment of the composite sealing material of the present invention.
【図７】本発明の複合シール材の第７実施例を示す斜視
図である。FIG. 7 is a perspective view showing a seventh embodiment of the composite sealing material of the present invention.
【図８】本発明の複合シール材の第８実施例を示す斜視
図である。FIG. 8 is a perspective view showing an eighth embodiment of the composite sealing material of the present invention.
【図９】本発明の複合シール材の第９実施例を示す斜視
図である。FIG. 9 is a perspective view showing a ninth embodiment of the composite sealing material of the present invention.
【図１０】本発明の複合シール材の第10実施例を示す斜
視図である。FIG. 10 is a perspective view showing a tenth embodiment of the composite sealing material of the present invention.
【図１１】本発明の複合シール材の第11実施例を示す斜
視図である。FIG. 11 is a perspective view showing an eleventh embodiment of the composite sealing material of the present invention.
【図１２】本発明の複合シール材の第12実施例を示す斜
視図である。FIG. 12 is a perspective view showing a twelfth embodiment of the composite sealing material of the present invention.
【図１３】本発明の複合シール材の第13実施例を示す斜
視図である。FIG. 13 is a perspective view showing a thirteenth embodiment of the composite sealing material of the present invention.
【図１４】本発明の複合シール材の第14実施例を示す斜
視図である。FIG. 14 is a perspective view showing a fourteenth embodiment of the composite sealing material of the present invention.
【図１５】本発明の複合シール材の第15実施例を示す斜
視図である。FIG. 15 is a perspective view showing a fifteenth embodiment of the composite sealing material of the present invention.
【図１６】本発明の複合シール材の第16実施例を示す斜
視図である。FIG. 16 is a perspective view showing a sixteenth embodiment of the composite sealing material of the present invention.
【図１７】本発明の複合シール材の第17実施例を示す斜
視図である。FIG. 17 is a perspective view showing a seventeenth embodiment of the composite sealing material of the present invention.
【図１８】本発明の複合シール材の第１実施例の膨潤前
と膨潤後の状態を示す説明図である。FIG. 18 is an explanatory view showing a state before swelling and a state after swelling of the first example of the composite sealing material of the present invention.
１…水膨潤性ゴム ２…芯材 1 ... Water-swelling rubber 2 ... Core material
Claims (1)
とを混練して組成する水膨潤性ゴムと、熱可塑性エラス
トマーにガラス繊維や天然セルロース繊維の繊維物質を
一定量添加して繊維物質を整列させてなる非伸長性芯材
とを押し出し成形し、前記水膨潤性ゴムと非伸長性芯材
とを同時に加硫して一体的に組合わせ、前記合成ゴムは
ネオプレンゴム、イソプレンゴム、スチレンブタジエン
ゴム、ブチルゴム、クロロプレンゴム、ブタジエンゴ
ム、アクリルニトリリル・ブタンジエンゴム、エチレン
・プロピレンゴムから選ばれる１種あるいは１種以上か
らなり、前記ウレタンポリマーは、親水基を有したポリ
エーテルポリオールとイソシアネートからなることを特
徴とする複合シール材。1. A water-swellable rubber formed by kneading natural rubber, synthetic rubber, and urethane polymer, and a certain amount of glass fiber or natural cellulose fiber fiber substance is added to a thermoplastic elastomer to align the fiber substance. A non-stretchable core material formed by extrusion is molded, and the water-swellable rubber and the non-stretchable core material are simultaneously vulcanized and integrally combined, and the synthetic rubber is neoprene rubber, isoprene rubber, or styrene butadiene rubber. , Butyl rubber, chloroprene rubber, butadiene rubber, acryl nitrilyl butanediene rubber, ethylene propylene rubber, or one or more kinds thereof, and the urethane polymer is composed of a polyether polyol having a hydrophilic group and an isocyanate. A composite sealing material characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3183076A JPH07110934B2 (en) | 1991-06-26 | 1991-06-26 | Composite sealing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3183076A JPH07110934B2 (en) | 1991-06-26 | 1991-06-26 | Composite sealing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH051275A JPH051275A (en) | 1993-01-08 |
| JPH07110934B2 true JPH07110934B2 (en) | 1995-11-29 |
Family
ID=16129339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3183076A Expired - Lifetime JPH07110934B2 (en) | 1991-06-26 | 1991-06-26 | Composite sealing material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07110934B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09221842A (en) * | 1996-02-16 | 1997-08-26 | Kunimine Kogyo Kk | Waterproof material |
| US7022398B2 (en) * | 2003-09-18 | 2006-04-04 | Amcol International Corporation | Moisture-impervious water-swellable clay-containing “water-stop” composition containing a water-penetrable coating |
| JP2007291753A (en) * | 2006-04-26 | 2007-11-08 | Shimizu Corp | Segment sealing material and tunnel structure provided with the same |
| JP7080659B2 (en) * | 2018-02-08 | 2022-06-06 | 綾羽株式会社 | Molded joint material and water stopping method using it |
| DE102023121894B3 (en) | 2023-08-16 | 2024-10-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Immersion-cooled automotive traction battery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5775259U (en) * | 1980-10-27 | 1982-05-10 | ||
| JPH0533600Y2 (en) * | 1985-08-30 | 1993-08-26 | ||
| JPH0798929B2 (en) * | 1987-09-08 | 1995-10-25 | シーアイ化成株式会社 | Water-swellable material |
| JPS63308081A (en) * | 1988-02-05 | 1988-12-15 | Hayakawa Rubber Co Ltd | Water-stopping material swelling with water |
-
1991
- 1991-06-26 JP JP3183076A patent/JPH07110934B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051275A (en) | 1993-01-08 |
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