EP 0000120 B1 19810211 - BEADS OF EXPANDABLE POLYSTYRENE WITH STABILIZED CELL STRUCTURE AND PROCESS FOR MAKING THEM.
Title (en)
BEADS OF EXPANDABLE POLYSTYRENE WITH STABILIZED CELL STRUCTURE AND PROCESS FOR MAKING THEM.
Publication
Application
Priority
US 80537777 A 19770610
Abstract (en)
[origin: EP0000120A1] 500 to 10 000 parts per million of Fischer-Tropsch wax having a congealing point of 86 to 110 degrees centigrade are incorporated during the suspension polymerization of styrene in the presence of a blowing agent to yield expandable polystyrene beads with a stabilised cell structure.
IPC 1-7
IPC 8 full level
C08J 9/16 (2006.01); C08J 9/00 (2006.01); C08J 9/20 (2006.01)
CPC (source: EP)
C08J 9/0061 (2013.01); C08J 9/20 (2013.01); C08J 2325/02 (2013.01); C08J 2491/00 (2013.01)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0000120 A1 19790110; EP 0000120 B1 19810211; AU 3692578 A 19791213; AU 517754 B2 19810827; CA 1113200 A 19811124; DE 2860456 D1 19810326; JP S5439466 A 19790326
DOCDB simple family (application)
EP 78100079 A 19780602; AU 3692578 A 19780608; CA 305080 A 19780609; DE 2860456 T 19780602; JP 6898478 A 19780609