Global Patent Index - EP 1082382 A1

EP 1082382 A1 20010314 - METHOD FOR PRODUCING WATER EXPANDABLE STYRENE POLYMERS

Title (en)

METHOD FOR PRODUCING WATER EXPANDABLE STYRENE POLYMERS

Title (de)

VERFAHREN ZUR HERSTELLUNG WASSEREXPANDIERBARER STYROLPOLYMERISATE

Title (fr)

PROCEDE DE FABRICATION DE POLYMERES STYRENE EXPANSIBLES A L'AIDE D'EAU

Publication

EP 1082382 A1 20010314 (DE)

Application

EP 99910367 A 19990319

Priority

  • DE 19812856 A 19980324
  • EP 9901838 W 19990319

Abstract (en)

[origin: DE19812856A1] The invention relates to a method for producing styrene polymers containing water as only inflating agent by polymerising styrene in an aqueous suspension in the presence of between 0.1 and 15 weight % of a solid matter which is insoluble in water and styrene, for example carbon black or graphite.

IPC 1-7

C08J 9/20; C08J 9/00

IPC 8 full level

C08F 2/18 (2006.01); C08F 12/08 (2006.01); C08J 9/00 (2006.01); C08J 9/20 (2006.01)

CPC (source: EP US)

C08F 12/08 (2013.01 - EP US); C08J 9/0066 (2013.01 - EP US); C08J 9/20 (2013.01 - EP US); C08J 2325/04 (2013.01 - EP US)

C-Set (source: EP US)

C08F 12/08 + C08F 2/44

Citation (search report)

See references of WO 9948957A1

Designated contracting state (EPC)

AT BE DE ES FR GB IT SE

DOCDB simple family (publication)

DE 19812856 A1 19990930; EP 1082382 A1 20010314; US 6387968 B1 20020514; WO 9948957 A1 19990930

DOCDB simple family (application)

DE 19812856 A 19980324; EP 9901838 W 19990319; EP 99910367 A 19990319; US 62347900 A 20000914