Elastomer Blend for Sound and Vibration Damping.
Patent, Filed 4 Apr 90, patented 15 Dec 92,
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
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.
- Elastomers and Rubber
- Ceramics, Refractories and Glass