Silicone/acrylate vibration dampers
First Claim
1. A constrained layer vibration damper comprising a layer of vibration damping material bonded to a stiff constraining layer, wherein the vibration damping material is the polymerization product of a radiation curable material that consists essentially of (a) from about 5 parts to about 95 parts by weight polymerizable acrylic monomer, and (b) correspondingly, from about 95 parts to about 5 parts by weight of a preformed silicone adhesive that is the reaction product of one or more polydiorganosiloxanes and one or more copolymeric silicone resins, wherein the sum of (a) plus (b) equals 100 parts by weight.
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Abstract
A method of vibrationally damping article, comprising applying to the article a vibration damper comprising a radiation curable vibration damping material which comprises (a) from about 5 parts to about 95 parts by weight acrylic monomer and (b) correspondingly, from about 95 parts to about 5 parts by weight of a silicone adhesive, wherein the sum of (a) plus (b) equal 100 parts by weight, whereby the vibration damper vibrationally damps the article.
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Citations
14 Claims
- 1. A constrained layer vibration damper comprising a layer of vibration damping material bonded to a stiff constraining layer, wherein the vibration damping material is the polymerization product of a radiation curable material that consists essentially of (a) from about 5 parts to about 95 parts by weight polymerizable acrylic monomer, and (b) correspondingly, from about 95 parts to about 5 parts by weight of a preformed silicone adhesive that is the reaction product of one or more polydiorganosiloxanes and one or more copolymeric silicone resins, wherein the sum of (a) plus (b) equals 100 parts by weight.
Specification