PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition excellent in vibration damping in a wide temperature range from low temperature zone to high temperature zone and further permanent compression set and weather resistance at high temperature, a crosslinked article of the composition and a molded body containing the composition and the crosslinked article.SOLUTION: There is provided a thermoplastic elastomer composition containing an olefin rubber (I), a hydrogenated block copolymer (II) which is a hydrogenated article of a block copolymer containing (A) a polymer block consisting of a constitutional unit derived from an aromatic vinyl compound and (B) a polymer block having the content of a structural unit derived from farnesene (b1) of 1 to 100 mass% and the content of a structural unit derived from conjugated diene other than farnesene (b2) of 99 to 0 mass% where 50 mol% or more of carbon-carbon double bonds in the polymer block (B) is hydrogenated and a polyolefin resin other than the olefin rubber (I) (III).SELECTED DRAWING: None
【課題】低温域から高温域まで幅広い温度範囲で制振性に優れ、更に高温での圧縮永久歪み、耐候性等にも優れる熱可塑性エラストマー組成物、該組成物の架橋物、及び前記組成物又は架橋物からなる成形体を提供する。【解決手段】オレフィン系ゴム(I)、芳香族ビニル化合物由来の構造単位からなる重合体ブロック(A)と、ファルネセン由来の構造単位(b1)の含有量が1〜100質量%であり、ファルネセン以外の共役ジエン由来の構造単位(b2)の含有量が99〜0質量%である重合体ブロック(B)とを含むブロック共重合体の水素添加物であって、前記重合体ブロック(B)中の炭素−炭素二重結合が50mol%以上水素添加されている水添ブロック共重合体(II)、及び前記オレフィン系ゴム(I)以外のポリオレフィン系樹脂(III)を含有する熱可塑性エラストマー組成物。【選択図】なし
THERMOPLASTIC ELASTOMER COMPOSITION, CROSSLINKED ARTICLE, MOLDED BODY, MEMBER, WEATHER SEAL AND CORNER MEMBER FOR WEATHER SEAL
熱可塑性エラストマー組成物、架橋物、成形体、部材、ウェザーシール、及びウェザーシール用コーナー部材
2016-06-23
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B64C AEROPLANES , Flugzeuge / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR |
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