Rubber mixtures comprising polyurea filling materials

Details Rubber mixtures comprising polyurea filling materials Rubber mixtures comprising polyurea filling materials

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) B60C 1/00 (2006.01) C08G 18/00 (2006.01) C08G 18/32 (2006.01) C08G 18/62 (2006.01) C08L 9/02 (2006.01) C08L 21/00 (2006.01) C08L 23/22 (2006.01) C08L 75/02 (2006.01)

Patent

CA 2414663

The invention relates to rubber mixtures consisting of rubber and special polyurea filling materials with a particle size of 0.01 -500 µm which are particularly suitable for producing vulcanised rubber and rubber shaped bodies with a low specific weight and low dynamic hysteresis, also particularly suitable for producing low-attenuation tyres and technical rubber articles comprising a high physical requirement profile.

L'invention concerne des mélanges de caoutchouc composés d'un caoutchouc et de charges de polyurée spéciales présentant une granulométrie de 0,001 à 500 µm. Les mélanges selon l'invention sont particulièrement adaptés à la fabrication de vulcanisats de caoutchouc et de corps moulés en caoutchouc présentant une faible masse spécifique et un amortissement dynamique réduit, et notamment destinés à la fabrication de pneus à amortissement faible et d'articles techniques en caoutchouc résistant à des contraintes physiques importantes.

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