JP5238901B1 - ブチルゴム組成物及びそれを用いたホース - Google Patents
ブチルゴム組成物及びそれを用いたホース Download PDFInfo
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- JP5238901B1 JP5238901B1 JP2012206248A JP2012206248A JP5238901B1 JP 5238901 B1 JP5238901 B1 JP 5238901B1 JP 2012206248 A JP2012206248 A JP 2012206248A JP 2012206248 A JP2012206248 A JP 2012206248A JP 5238901 B1 JP5238901 B1 JP 5238901B1
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- 239000000203 mixture Substances 0.000 title claims abstract description 53
- 229920005549 butyl rubber Polymers 0.000 title claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 84
- 239000005060 rubber Substances 0.000 claims abstract description 84
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 31
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- 229920005555 halobutyl Polymers 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000005011 phenolic resin Substances 0.000 claims abstract description 15
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 14
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical compound NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920001083 polybutene Polymers 0.000 claims description 23
- 229910052623 talc Inorganic materials 0.000 claims description 12
- 239000000454 talc Substances 0.000 claims description 11
- 239000004927 clay Substances 0.000 claims description 4
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract description 42
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- 229920005557 bromobutyl Polymers 0.000 description 9
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 9
- 229920000098 polyolefin Polymers 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
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- 239000006229 carbon black Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- AWQFNUMHFNEWGS-UHFFFAOYSA-N 2-methylprop-1-ene;styrene Chemical group CC(C)=C.C=CC1=CC=CC=C1 AWQFNUMHFNEWGS-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
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- 239000004957 Zytel Substances 0.000 description 4
- 229920006102 Zytel® Polymers 0.000 description 4
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- KUMMBDBTERQYCG-UHFFFAOYSA-N 2,6-bis(hydroxymethyl)-4-methylphenol Chemical compound CC1=CC(CO)=C(O)C(CO)=C1 KUMMBDBTERQYCG-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- UHKPXKGJFOKCGG-UHFFFAOYSA-N 2-methylprop-1-ene;styrene Chemical compound CC(C)=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 UHKPXKGJFOKCGG-UHFFFAOYSA-N 0.000 description 1
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- 239000012467 final product Substances 0.000 description 1
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- 125000000524 functional group Chemical group 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
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- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- 229920003987 resole Polymers 0.000 description 1
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- 125000005372 silanol group Chemical group 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
【解決手段】内側から最内層2、中間ゴム層3、繊維補強層4及び外面ゴム層5の順で積層されてなる複合フレキシブルホースの前記中間ゴム層3などに好適なブチルゴム組成物であって、ハロゲン化ブチルゴム、スチレン−イソブチレン系ブロック共重合体、白色充填剤、白色補強剤、臭素化アルキルフェノールホルムアルデヒド樹脂、フェノール樹脂、及び、メチロールメラミンが配合され、前記ハロゲン化ブチルゴム100重量部に対して、前記スチレン−イソブチレン系ブロック共重合体が5〜45重量部配合される。
【選択図】図1
Description
図1は、本発明の実施形態に係る複合フレキシブルホースの斜視図であり、この複合フレキシブルホース1は、最内層2と中間ゴム層3の間に接着剤層を介在させておらず、中間ゴム層3の上に順に繊維補強層4及び外面ゴム層5を有するものである。中間ゴム層3には、本発明の一実施形態に係るブチルゴム組成物が使用される。
次に、実施形態1の実施例及び比較例に基づいて説明するが、本発明は、かかる実施例に限定されるものではない。
(常態物性)
実施例1〜5、比較例1,2の各ゴム組成物を用いてプレス加硫により約2mm厚のゴムシートをそれぞれ作製し、得られたゴムシートから切り出した試験片を用いて、硬さ、引張強度及び伸びの各試験を実施した。
硬さ(JIS−A)は、JIS K 6253−6に準拠してデュロメータータイプAにて測定し、引張強度 (MPa)及び伸び(%)は、JIS K 6251に準拠して測定した。
硬さは、79以下を「◎;優」、80〜82を「○;良」、83〜85を「△:可」、86以上を「×:不可」と評価した。
引張強度は、10.1以上を「◎;優」、9.6〜10を「○;良」、9.1〜9.5を「△:可」、9以下を「×:不可」と評価した。
(圧縮永久歪)
実施例1〜5、比較例1,2の各ゴム組成物を用いてJIS K 6262に準拠してプレス加硫により試験片をそれぞれ作製し、試験温度100℃,試験時間70h,圧縮率25%の条件で圧縮永久歪(%)を測定した。
圧縮永久歪は、40以下を「◎;優」、40〜49を「○;良」、50〜59を「△:可」、60以上を「×:不可」と評価した。
(耐透水性(水分バリア性))
水蒸気透過度 (g/m2/24h)
実施例1〜5、比較例1,2の各ゴム組成物を用いてプレス加硫により約1mm厚のゴムシートをそれぞれ作製した。JIS Z 0208を参考にして、既知重量の乾燥剤を封入したカップの開口部をゴムシートで密封後、試験温度60℃,試験湿度95%RH,試験時間168hの条件で水分バリア性を次のようにして測定した。そして、ゴムシートの透過面積に対する乾燥剤の重量変化(増加)分を24h当たりの水蒸気透過度として算出した。水蒸気透過度は、1.3以下を「◎;優」、1.4〜1.5を「○;良」、1.6〜1.7を「△:可」、1.8以上を「×:不可」と評価した。
(接着性)
約0.15mm厚の最内層樹脂(PA6)と、実施例1〜5、比較例1,2の約2mm厚の各未加硫ブチルゴムとをプレス加硫により積層シートをそれぞれ作製した。得られた積層シートから約10mm幅×約100mm長の寸法で切り出した試験片を作製し、図2に示すように、試験片のゴム層3を引張試験機に固定し、毎分50mmの速さで樹脂層2を引張り、接着界面の剥離状態を目視で観察した。ゴム凝集破壊したものを、「○;良」と評価した。
(押出成形性)
実施例1〜5、比較例1,2の各ゴム組成物を用いて押出機により約1.9mm厚のゴムチューブをそれぞれ押出成形し、表面肌の状態を目視で観察した。押出成形性は、チューブ表面に凹凸(肌荒れ)がない状態を「◎」、有害な肌荒れがない状態を「○」、有害な肌荒れがある状態を「△」、肌荒れがひどくて押出不可の状態を「×」と評価した。
本発明の他の実施形態に係るゴム組成物は、上記実施形態1のゴム組成物に、更に、ポリブテンを配合するものである。ポリブテンは、スチレン−イソブチレン系ブロック共重合体に比べて非常に安価(約1/3のコスト)であるので、ポリブテンを配合することによって、ゴム組成物のコストを低減することができる。また、ポリブテンは、イソブチレンブロックの分子構造を持つ軟化剤なので、水分の透過を抑制しつつ、未加硫時の粘度を下げて、押出成形性を向上させることができる。よって、実施形態2では、実施形態1に対して、コストと水分バリア性や押出成形性などの諸特性とのバランスを取ることを目的としている。
次に、実施形態2の実施例及び比較例に基づいて説明するが、本発明は、かかる実施例に限定されるものではない。
2,102 最内層
3,103 中間ゴム層
4,104 繊維補強層
5,105 外面ゴム層
Claims (3)
- ハロゲン化ブチルゴム、スチレン−イソブチレン系ブロック共重合体、白色充填剤、白色補強剤、臭素化アルキルフェノールホルムアルデヒド樹脂、フェノール樹脂、及び、メチロールメラミンが配合され、
前記ハロゲン化ブチルゴム100重量部に対して、前記スチレン−イソブチレン系ブロック共重合体が5〜45重量部配合され、
前記白色充填剤が、タルク、マイカ、セリサイト、モンモリロナイト、及び、クレーからなる群より選ばれた少なくとも1つであり、
前記白色補強剤が、ケイ酸であることを特徴とするブチルゴム組成物。 - ポリブテンが更に配合され、
前記ハロゲン化ブチルゴム100重量部に対して、前記ポリブテンが5〜15重量部配合されることを特徴とする、
請求項1に記載のブチルゴム組成物。 - 前記請求項1又は2に記載のブチルゴム組成物を用いたゴム層を有する、
ことを特徴とするホース。
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JP2012206248A JP5238901B1 (ja) | 2012-09-19 | 2012-09-19 | ブチルゴム組成物及びそれを用いたホース |
EP13838987.9A EP2899228B1 (en) | 2012-09-19 | 2013-09-06 | Butyl rubber composition and hose using same |
US14/429,206 US9644094B2 (en) | 2012-09-19 | 2013-09-06 | Butyl rubber composition and hose using same |
PCT/JP2013/074116 WO2014045907A1 (ja) | 2012-09-19 | 2013-09-06 | ブチルゴム組成物及びそれを用いたホース |
CN201380048830.5A CN104619768B (zh) | 2012-09-19 | 2013-09-06 | 丁基橡胶组合物及使用其的软管 |
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CN107553994A (zh) * | 2017-11-01 | 2018-01-09 | 郑州峰泰纳米材料有限公司 | 一种客车车身用密胺复合泡沫及其制造方法 |
CN113930168A (zh) * | 2021-10-29 | 2022-01-14 | 深圳陆祥科技股份有限公司 | 一种阻燃绝缘电气胶带及其制备方法 |
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JP2017145855A (ja) * | 2016-02-16 | 2017-08-24 | 日立金属株式会社 | ゴムホース |
GB2550939A (en) | 2016-06-01 | 2017-12-06 | Ultra Electronics Ltd | Flexible hose |
CN106566095A (zh) * | 2016-10-28 | 2017-04-19 | 无锡市永兴金属软管有限公司 | 一种蒸气软管用丁基橡胶 |
JP6829868B2 (ja) * | 2016-11-08 | 2021-02-17 | 株式会社ニチリン | ゴム積層体及びこれを用いたフレキシブルホース |
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CN109133411A (zh) * | 2018-08-23 | 2019-01-04 | 安徽虹泰磁电有限公司 | 一种废水处理专用管路材料的制备方法 |
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CN113930168A (zh) * | 2021-10-29 | 2022-01-14 | 深圳陆祥科技股份有限公司 | 一种阻燃绝缘电气胶带及其制备方法 |
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