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
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
2020-05-27
Patent
Elektronische Ressource
Japanisch
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 |