公开(公告)号：US20190300705A1

公开(公告)日：2019-10-03

申请号：US16078070

申请日：2017-02-22

Applicant: BASF SE

Inventor： Raphael DABBOUS ,  Elmar POESELT ,  Birte LAHRMANN ,  Guido BILGES

IPC: C08L75/08 ,  C08G18/48 ,  C08G18/42 ,  C08G18/32 ,  C08G18/66 ,  C08G18/76 ,  C08G18/73 ,  C08J3/20 ,  C08L75/06 ,  C08K5/3437

Abstract: The present invention relates to a process for producing a composition (I) at least comprising a compact thermoplastic polyurethane (P1), comprising the providing of at least one compact thermoplastic polyurethane (P1) or a reaction mixture for production of a compact thermoplastic polyurethane (R-P1), the adding of at least one compound (N) that has a conjugated, nitrogen-containing aromatic structure as nucleating agent to the at least one thermoplastic polyurethane (P1) or to the reaction mixture for production of a compact thermoplastic polyurethane (R-P1), wherein the compound (N) is a solid; and the mixing of the nucleating agent and the thermoplastic polyurethane (P1) or the reaction mixture (R-P1) to obtain a composition (I). The nucleating agent is used here in an amount in the range from 0.01% by weight to 2.0% by weight, based on the thermoplastic polyurethane (P1) or the reaction mixture (R-P1). Further relates the present composition comprising at least one compact thermoplastic polyurethane and at least one compound (N) that has a conjugated, nitrogen-containing aromatic structure as nucleating agent, wherein the compound (N) is a solid, and the use of the compounds mentioned as nucleating agents for a compact thermoplastic polyurethane.