Patent · US Active

Non-aqueous sound-absorbing compound with a solvent-free polyacrylate binder

US9969860B2 · kind B2 · utility

0Cited by

2References

19Claims

0Family size

Assignee

BASF SE

Inventors

Dirk Wulff · Schifferstadt, DE
Ulrike Licht · Mannheim, DE
Peter Preishuber-Pfluegl · Ludwigshafen, DE
Axel Weiss · Wilmington, US

Key dates

Filing date	Apr 25, 2013
Grant date	May 15, 2018
Priority date	—
Expiry date	Apr 25, 2033

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D65/0006
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A description is given of a nonaqueous sound deadener composition comprising (a) a nonpulverulent, solvent-free polyacrylate binder having a K value in the range from 10 to 35, measured as a 1% strength solution in tetrahydrofuran; and (b) inorganic fillers. Also described is a method for damping oscillations or vibrations of components of vehicles and machines, using the sound deadener composition of the invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.