POLYMER COMPOSITIONS AND METHODS

• Main Authors: ALLEN, SCOTT, D, SENDIJAREVIC, VAHID, SENDIJAREVIC, AISA
• Format: Patent
• Language: English; French
• Published: 19.09.2013
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention encompasses thermoplastic polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses thermoplastic polyurethanes derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure, In another aspect, the invention provides articles comprising the inventive TPU compositions as well as methods of making such compositions. La présente invention concerne des compositions de polyuréthane thermoplastique comprenant des chaînes polycarbonate aliphatique. Dans un aspect, la présente invention concerne des polyuréthanes thermoplastiques dérivés de polycarbonate polyols aliphatiques et de polyisocyanates dans lesquels les chaînes polyols contiennent un motif répété primaire ayant une structure. Dans un autre aspect, l'invention concerne des articles comprenant les compositions de PUT de l'invention ainsi que des procédés de préparations de ces compositions.