US 7,488,765 B2
Gum adhesive based on a filled polymer dispersion
Oliver Sommer, Porta Westfalica (Germany); Horst Buxhofer, Erkrath (Germany); Nicolas De-Calmes, Dainville (France); Ralf Gossen, Duisburg (Germany); Sebastian Kotthoff, Porta Westfalica (Germany); Hans-Juergen Wolter, Petershagen (Germany); and Ethel Abrahams-Meyer, Viersen (Germany)
Assigned to Henkel Kommanditgesellschaft Auf Aktien, Duesseldorf (Germany)
Filed on Sep. 06, 2007, as Appl. No. 11/850,773.
Application 11/850773 is a continuation of application No. PCT/EP06/01150, filed on Feb. 09, 2006.
Claims priority of application No. 10 2005 010 446 (DE), filed on Mar. 08, 2005.
Prior Publication US 2008/0058447 A1, Mar. 06, 2008
Int. Cl. C08L 3/08 (2006.01); C08L 1/26 (2006.01)
U.S. Cl. 524—42  [524/48; 524/50] 16 Claims
 
1. A gum adhesive comprising an aqueous filled polymer dispersion that comprises water, at least one inorganic filler, and at least one polymer comprising a homopolymer or copolymer of vinyl acetate, wherein the polymer was polymerized in the presence of at least one protective colloid selected from the group consisting of starch ethers, cellulose ethers and derivatives thereof and the filler, and wherein the dispersion has a viscosity below 15,000 mPas at a temperature of 25° C.