Vibration damper having extended temperature range

Details Vibration damper having extended temperature range Vibration damper having extended temperature range

B - Operations, Transporting

32

B

B32B 27/04 (2006.01) B32B 25/02 (2006.01) B32B 27/06 (2006.01) C08L 33/08 (2006.01) C08L 51/04 (2006.01)

Patent

CA 2050827

42234 CAN lA VIBRATION DAMPER HAVING EXTENDED TEMPERATURE RANGE Abstract of the Disclosure Constrained layer damping structures are often based on viscoelastic layers of iso-octyl acrylate:acrylic acid or analogous copolymers. As the acrylic acid content is increased, the peak damping temperature also increases; unfortunately, however, the copolymer becomes more brittle and susceptible to shock, especially at low temperatures. Incorporating small amounts of rubbery polymer particles (especially core-shell polymers) in the viscoelastic copolymer alleviates this problem.

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