To provide a blade rubber which has excellent followability to surfaces to be wiped having various shapes, and excellent wiping performance at a high level.SOLUTION: A blade rubber is composed of an elastic member containing polyurethane, brings a part of the elastic member into contact with the surface of a member to be cleaned and cleans the surface of the member to be cleaned, wherein when under 8°C environment, storage elastic modulus of the blade rubber at vibration frequency of 1×10-3 Hz is represented by E'(1) and storage elastic modulus thereof at vibration frequency of 1×104 Hz is represented by E'(2), E'(1) is 12.0 to 18.0 MPa, and E'(2) is 530 to 1,500 MPa.SELECTED DRAWING: Figure 1
【課題】多様な形状の被払拭面への優れた追従性と、優れた払拭性能とを高いレベルで兼ね備えたブレードラバー。【解決手段】ポリウレタンを含む弾性部材からなり、被清掃部材の表面に該弾性部材の一部を当接させて、該被清掃部材の表面を清掃するブレードラバーであって、8℃環境においける、該ブレードラバーの、振動周波数が1×10-3Hz時の貯蔵弾性率をE´(1)とし、振動周波数が1×104Hz時の貯蔵弾性率をE´(2)としたとき、E´(1)が、12.0~18.0MPaであり、E´(2)が、530~1500MPaである。【選択図】図1
BLADE RUBBER, WIPER BLADE AND WIPER DEVICE, AND URETHANE MOLDING
ブレードラバー、ワイパーブレード及びワイパー装置、並びにウレタン成形体
2024-06-13
Patent
Electronic Resource
Japanese
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08J Verarbeitung , WORKING-UP |
BLADE RUBBER, WIPER BLADE AND WIPER DEVICE, AND URETHANE MOLDED BODY
European Patent Office | 2024
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