Process for continuous preparation of thermalplastic polyurethane with improved sofetening property

Application Number: 00108725
Application Date: 2000.05.26
Publication Number: 1275584
Publication Date: 2000.12.06
Priority Information: 1999/5/26 DE 19924090.6
International: C08G18/08
Applicant(s) Name: Bayer AG
Inventor(s) Name: W. Brauer;W. Kaufhold;F. Miller
Patent Agency Code: 72001
Patent Agent: pang lizhi
Abstract Process for the continuous preparation of thermoplastically processable polyurethane elastomers with improved softening properties is disclosed. The process is carried out in a tubular reactor at a ratio of the circumferential speed of the stirrer (in m/sec) in the tubular reactor and the throughput (in g/sec) of >0.03 m/g.