公开(公告)号：US20210079150A1

公开(公告)日：2021-03-18

申请号：US16963681

申请日：2019-01-23

Applicant: BASF SE

Inventor： Miran YU ,  Ortmund LANG ,  Dieter RODEWALD ,  Stephan SCHLITTER ,  Guenter SCHERR ,  Felix WESTERHAUS

IPC: C08G2/28 ,  C08G8/12 ,  B01D1/06

Abstract: Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein R1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R2 is a linear or branched, saturated or unsaturated N aliphatic hydrocarbon group with up to 20 carbon atoms, and optionally a plasticizer, wherein the tackifier is passed through at least one evaporator as film and the volatile compounds are removed from the film.