| US 7,569,640 B2 | ||
| Nitrile rubber blends for fixing metal parts to plastics | ||
| Marc Husemann, Hamburg (Germany); Frank Hannemann, Hamburg (Germany); and Matthias Koop, Norderstedt (Germany) | ||
| Assigned to tesa SE, Hamburg (Germany) | ||
| Filed on Dec. 29, 2005, as Appl. No. 11/321,325. | ||
| Claims priority of application No. 10 2005 025 056 (DE), filed on May 30, 2005. | ||
| Prior Publication US 2006/0269743 A1, Nov. 30, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. C08L 33/18 (2006.01); C08L 33/20 (2006.01); C08L 33/22 (2006.01); C08L 63/04 (2006.01); C08L 61/10 (2006.01) | ||
| U.S. Cl. 525—238 [525/65; 525/68; 525/107; 524/500; 524/508] | 10 Claims |
| 1. An adhesive sheet comprising at least one heat-activatable adhesive, said adhesive comprising a blend of
at least one nitrile rubber S1 and at least one nitrile rubber S2, said at least one nitrile rubber S1 having an acrylonitrile
fraction of not more than 25% by weight and said at least one nitrile rubber S2 having an acrylonitrile fraction of not less
than 30% by weight, and
at least one phenol-novolak resin.
|