Accession Number:

ADD015653

Title:

Elastomer Blend for Sound and Vibration Damping.

Descriptive Note:

Patent, Filed 4 Apr 90, patented 15 Dec 92,

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

1992-12-15

Pagination or Media Count:

5.0

Abstract:

An elastomer blend is provided for dissipation of mechanical and sonic energy over a broad temperature range. This blend of elastomers comprises from about 60-95 by weight of polybutadiene having more than about 90 1,2-microstructure and a molecular weight of at least 80,000, the balance being predominantly polyisoprene having at least about 70 cis-1,4-microstructure and a molecular weight of at least 120,000. The blend has a single glass transition ranging over at least sixty Centigrade degrees.

Subject Categories:

  • Elastomers and Rubber
  • Ceramics, Refractories and Glass

Distribution Statement:

APPROVED FOR PUBLIC RELEASE