US 6,982,044 B2 | ||
Method and composition for preventing traffic surfaces becoming slippery in winter | ||
Josef Suren, Kirchweg 23, D 33181 Bad Wunnenberg-Haaren (Germany); and Wilhelm Kamereit, Binger Weg 7, D 40229 Dusseldorf (Germany) | ||
Filed on Dec. 19, 2002, as Appl. No. 10/323,067. | ||
Claims priority of application No. 101 63 080 (DE), filed on Dec. 20, 2001. | ||
Prior Publication US 2003/0116749 A1, Jun. 26, 2003 | ||
Int. Cl. C09K 3/18 (2006.01); E01C 11/24 (2006.01) |
U.S. Cl. 252—70 | 10 Claims |
1. A method of preventing traffic surfaces from becoming slippery in winter comprising applying to a roadway surface a layer made from a composition comprising a thawing agent which is slowly released under traffic load in winter, and a binder which is compatible with the traffic surfaces and which envelopes the thawing agent, in a temporarily water-impermeable solid-material jacket the temporarily water-impermeable solid-material jacket of the thawing agent is a crosslinked, phenolic resin which becomes brittle at temperatures below 1° C. and optionally, further fillers and additives. |