Abstract: An artificial turf contains a damping layer made of a particle foam, a fiber backing, and an artificial grass layer made of single or multiple fibers. The fibers are tied to the fiber backing, forming an artificial carpet of grass. The particle foam and the single or multiple fibers forming the artificial grass layer are each made of a thermoplastic elastomer.

Abstract: The consistency of a data structure is maintained where changes in the form of atomic operations are requested by more than one user to an object graph containing a plurality of objects. Operational transformations specifying how one atomic operation is transformed against another one are accessed and the object graph is modified with the first and second set of changes by employing the operational transformations on the atomic operations and applying the resulting transformed operations to the object graph. The transformed operations are recorded in a history log. The atomic operations are object operations that create or delete an object of the object graph and/or property operations changing a property of an object. Each operation retains the identifier of the object it acts on and information on each change of the object resulting from the operation. Multi-operation conflicts are resolved by defined conflict resolution events.

Abstract: The consistency of a data structure is maintained where changes in the form of atomic operations are requested by more than one user to an object graph containing a plurality of objects. Operational transformations specifying how one atomic operation is transformed against another one are accessed and the object graph is modified with the first and second set of changes by employing the operational transformations on the atomic operations and applying the resulting transformed operations to the object graph. The transformed operations are recorded in a history log. The atomic operations are object operations that create or delete an object of the object graph and/or property operations changing a property of an object. Each operation retains the identifier of the object it acts on and information on each change of the object resulting from the operation. Multi-operation conflicts are resolved by defined conflict resolution events.

Abstract: Blends made of thermoplastic polyurethanes (TPUs) and of polylactides (PLAs) are produced via A) reaction of at least one thermoplastic polyurethane with at least one diisocyanate or one diisocyanate prepolymer which has at least two isocyanate groups, or a mixture thereof, in the melt, with reduction of the molar mass of the thermoplastic polyurethane and with formation of a thermoplastic polyurethane having an excess of isocyanate end groups, B) introduction of at least one polylactide into the melt of the stage A) product, and reaction of the stage A) product with the polylactide at a temperature below 190° C., C) cooling of the resultant blend, where no polyols are used in stages A) to C).

Abstract: Blends made of thermoplastic polyurethanes (TPUs) and of polylactides (PLAs) are produced via A) reaction of at least one thermoplastic polyurethane with at least one diisocyanate or one diisocyanate prepolymer which has at least two isocyanate groups, or a mixture thereof, in the melt, with reduction of the molar mass of the thermoplastic polyurethane and with formation of a thermoplastic polyurethane having an excess of isocyanate end groups, B) introduction of at least one polylactide into the melt of the stage A) product, and reaction of the stage A) product with the polylactide at a temperature below 190° C., C) cooling of the resultant blend, where no polyols are used in stages A) to C).