WATER-BASED POLYMERS FOR USE IN SOUND ABSORPTION Russian patent published in 2011 - IPC C08F255/08 C08F265/06 C09D151/00 

Abstract RU 2409597 C2

FIELD: chemistry.

SUBSTANCE: composition contains an aqueous dispersion of polymeric microparticles, in which the polymeric microparticles contain (a) a copolymer obtained through polymerisation of one or more ethylene-unsaturated monomers in an aqueous medium in the presence of a macromonomer which contains alternating donor and acceptor links and does not contain segments of maleate and fumarate monomers, Lewis acids and transition metals; (b) nanofiller (20-90 wt %) and (c) optionally a plasticiser.

EFFECT: composition can be deposited using any method, including spraying, where the obtained coating dries fast, has virtually no mud cracking defects and has excellent sound and vibration damping properties.

14 cl, 3 tbl, 5 ex

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RU 2 409 597 C2

Authors

Kehnia Charl'Z M.

Kouka Sajmon

Palermo Ehntoni

Dates

2011-01-20Published

2007-07-31Filed