BRAKE SHIMS AND METHODS OF FORMING SAME
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United States of America Patent
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Issued Date -
Sep 19, 2013
app pub date -
Mar 16, 2012
filing date -
Mar 16, 2012
priority date (Note) -
Abandoned
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Abstract
A brake shim includes a metal substrate having a first surface and a second surface spaced opposite the first surface. The brake shim includes a first film formed from a viscoelastic material and disposed on the first and second surfaces, wherein the first film has a first elastic modulus, a primary surface spaced opposite the first surface, and a secondary surface spaced opposite the primary surface. The brake shim includes a second film formed from a polymer composition including a resin component having at least one epoxide functional group and a curing agent reactive with the resin component and having at least one amine functional group. The second film is disposed on the primary and secondary surfaces and has a second elastic modulus that is from about 10 times to about 1,000 times greater than the first elastic modulus. A method of forming the brake shim is also disclosed.
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