公开(公告)号：MY148843A

公开(公告)日：2013-06-14

申请号：MYPI20061312

申请日：2006-03-24

Applicant: BASF AG

Inventor： MARKUS ALLMENDINGER DR ,  KLAUS HAHN DR ,  JOACHIM RUCH DR

IPC: B29C47/36

Abstract: A PROCESS FOR PRODUCING POLYSTYRENE FOAM PARTICLES HAVING A BULK DENSITY IN THE RANGE FROM 40 TO 400 G/L BY EXTRUSION OF A POYSTYRENE MELT COMPRISING CARBON DIOXIDE AND/OR WATER AS BLOWING AGENT THROUGH A NOZZLE AND UNDERWATER PELLETIZATION, WHEREIN THE UNDERWATER PELLETIZATION IS CARRIED OUT AT A PRESSURE IN THE RANGE 0.10-3 MPa (1-30 BAR).

公开(公告)号：MY144852A

公开(公告)日：2011-11-30

申请号：MYPI20061313

申请日：2006-03-24

Applicant: BASF AG

Inventor： MARKUS ALLMENDINGER DR ,  KLAUS HAHN DR ,  JOACHIM RUCH DR ,  BERNHARD SCHMIED DR ,  JAN HOLOCH DR

IPC: C08J9/00

Abstract: THE INVENTION RELATES TO A PROCESS FOR PRODUCING ANTISTATICALLY TREATED, EXPANDABLE STYRENE POLYMERS, IN WHICH A STYRENE POLYMER MELT IS ADMIXED WITH FROM 0.05 TO 6% BY WEIGHT OF AN ANTISTATIC AND A BLOWING AGENT, EXTRUDED THROUGH A DIE AND PELIETIZED.