JP2007002886A5 - Gasket comprising a thermoplastic elastomer composition - Google Patents

Gasket comprising a thermoplastic elastomer composition Download PDF

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Publication number
JP2007002886A5
JP2007002886A5 JP2005181504A JP2005181504A JP2007002886A5 JP 2007002886 A5 JP2007002886 A5 JP 2007002886A5 JP 2005181504 A JP2005181504 A JP 2005181504A JP 2005181504 A JP2005181504 A JP 2005181504A JP 2007002886 A5 JP2007002886 A5 JP 2007002886A5
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Japan
Prior art keywords
polymer block
gasket
mass
component
block
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Pending
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JP2005181504A
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Japanese (ja)
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JP2007002886A (en
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Priority to JP2005181504A priority Critical patent/JP2007002886A/en
Priority claimed from JP2005181504A external-priority patent/JP2007002886A/en
Publication of JP2007002886A publication Critical patent/JP2007002886A/en
Publication of JP2007002886A5 publication Critical patent/JP2007002886A5/en
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Description

本発明者は、前記課題を解決すべく鋭意検討した結果、特定のブロック共重合体とブテン系液状重合体及びオレフィン系樹脂を含有するスチレン系熱可塑性エラストマー組成物がガ
スケット材料として優れ、前記課題を解決できることを見出し本発明に到達した。
即ち、本発明の要旨は、下記の成分（ａ）、（ｂ）及び（ｃ）を含有する熱可塑性エラストマー組成物からなるガスケットに存する。
As a result of intensive studies to solve the above problems, the present inventors have found that a styrene-based thermoplastic elastomer composition containing a specific block copolymer, a butene-based liquid polymer, and an olefin-based resin is excellent as a gasket material. The present invention has been found.
That is, the gist of the present invention, the following components (a), consists in a gasket comprising a thermoplastic elastomer composition you containing (b) and (c).

Claims (6)

下記の成分（ａ）、（ｂ）及び（ｃ）を含有する熱可塑性エラストマー組成物からなるガスケット。
（ａ）一般式［（Ａ−Ｂ）n］及び／又は［（Ａ−Ｂ）n−Ａ］で表され、重量平均分子量が１５万〜１００万であるブロック共重合体（式中、Ａはビニル芳香族炭化水素の重合体ブロックを示し、
Ｂは水添されていてもよいエラストマー性重合体ブロックを示し、ｎは１〜５の整数である。）
（ｂ）数平均分子量が７００〜３０００のブテン系液状重合体
（ｃ）オレフィン系樹脂 The following components (a), the thermoplastic elastomer composition you containing (b) and (c) the gasket.
(A) a block copolymer represented by the general formula [(AB) n ] and / or [(AB) n -A] and having a weight average molecular weight of 150,000 to 1,000,000 (wherein A Indicates a polymer block of vinyl aromatic hydrocarbon,
B represents an elastomeric polymer block which may be hydrogenated, and n is an integer of 1 to 5. )
(B) Butene liquid polymer having a number average molecular weight of 700 to 3000 (c) Olefin resin 前記成分（ｃ）がプロピレン系樹脂である請求項１に記載のガスケット。 The gasket according to claim 1, wherein the component (c) is a propylene-based resin. 前記重合体ブロックＡがスチレンの重合体ブロックであり、重合体ブロックＢが共役ジエンの重合体ブロックである請求項１又は２にガスケット。 The gasket according to claim 1 or 2, wherein the polymer block A is a styrene polymer block, and the polymer block B is a conjugated diene polymer block. 前記重合体ブロックＡの含有量（質量）が１０〜５０％であり、且つ、重合体ブロックＢがブタジエン重合体ブロック、イソプレン重合体ブロック又はブタジエン・イソプレン共重合体ブロックである請求項１乃至３の何れかに記載のガスケット。 The content (mass) of the polymer block A is 10 to 50%, and the polymer block B is a butadiene polymer block, an isoprene polymer block or a butadiene / isoprene copolymer block. A gasket according to any one of the above. 前記成分（ａ）及び（ｂ）の含有量（質量）が、成分（ａ）と（ｂ）の合計量に対して、成分（ａ）が３０〜７０％、成分（ｂ）が７０〜３０％であり、且つ、前記成分（ｃ）の含有量（質量）が、成分（ａ）と（ｂ）の合計量１００質量部あたり、１〜５０質量部である請求項１乃至４のいずれかに記載のガスケット。 The content (mass) of the components (a) and (b) is 30 to 70% for the component (a) and 70 to 30 for the component (b) with respect to the total amount of the components (a) and (b). The content (mass) of the component (c) is 1 to 50 parts by mass per 100 parts by mass of the total amount of the components (a) and (b). The gasket as described in. 請求項１乃至５の何れかに記載の医療用ガスケット。
The medical gasket according to any one of claims 1 to 5.
JP2005181504A 2005-06-22 2005-06-22 Thermoplastic elastomer composition for gasket and gasket Pending JP2007002886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005181504A JP2007002886A (en) 2005-06-22 2005-06-22 Thermoplastic elastomer composition for gasket and gasket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005181504A JP2007002886A (en) 2005-06-22 2005-06-22 Thermoplastic elastomer composition for gasket and gasket

Publications (2)

Publication Number Publication Date
JP2007002886A JP2007002886A (en) 2007-01-11
JP2007002886A5 true JP2007002886A5 (en) 2008-04-10

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Family Applications (1)

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JP2005181504A Pending JP2007002886A (en) 2005-06-22 2005-06-22 Thermoplastic elastomer composition for gasket and gasket

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196864B1 (en) 2008-12-12 2019-02-27 Canon Kabushiki Kaisha Sealing member and process cartridge
JP5888161B2 (en) * 2012-07-18 2016-03-16 三菱化学株式会社 Resin composition, and film and container comprising the resin composition
JP2013082912A (en) * 2011-09-29 2013-05-09 Mitsubishi Chemicals Corp Hydrogenated block copolymer, resin composition of the same, and film and container comprising the resin composition
WO2013047690A1 (en) * 2011-09-29 2013-04-04 三菱化学株式会社 Hydrogenated block copolymer, resin composition, film and container
JP6179229B2 (en) * 2013-07-10 2017-08-16 Nok株式会社 Styrenic thermoplastic elastomer composition
WO2015115346A1 (en) * 2014-01-29 2015-08-06 クラレプラスチックス株式会社 Thermoplastic polymer composition having excellent gas barrier properties
JP6369152B2 (en) * 2014-06-10 2018-08-08 Ｍｃｐｐイノベーション合同会社 Thermoplastic elastomer composition, molded article and cap liner
EP3342835A4 (en) * 2015-08-28 2018-07-04 Sumitomo Electric Industries, Ltd. Adhesive sheet for coating
JP6852865B2 (en) * 2016-06-30 2021-03-31 株式会社根本杏林堂 Mixing device, mixing tube, injection system, and mixing device manufacturing method
JP6825510B2 (en) * 2016-07-29 2021-02-03 Ｍｃｐｐイノベーション合同会社 Medical instruments and thermoplastic elastomer compositions
JPWO2022224856A1 (en) * 2021-04-23 2022-10-27

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58141233A (en) * 1982-02-16 1983-08-22 Asahi Chem Ind Co Ltd Thermoplastic polymer composition
JP3589042B2 (en) * 1998-09-29 2004-11-17 三菱化学株式会社 Thermoplastic elastomer composition
JP2000230167A (en) * 1998-12-07 2000-08-22 Bridgestone Corp Gasket material
JP2000281117A (en) * 1999-03-31 2000-10-10 Mitsubishi Chemicals Corp Cap liner
JP2002234985A (en) * 2000-12-07 2002-08-23 Riken Technos Corp Thermoplastic elastomer composition
JP2002340194A (en) * 2001-05-16 2002-11-27 Bridgestone Corp Cover integrated gasket
JP3875551B2 (en) * 2001-12-21 2007-01-31 リケンテクノス株式会社 Thermoplastic elastomer composition

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