Title:
POLYSTYRENE DISPERSIONS CAPABLE OF BEING FILTERED
Document Type and Number:
WIPO Patent Application WO1996027623
Kind Code:
A3
Abstract:
PCT No. PCT/EP96/00827 Sec. 371 Date Aug. 26, 1997 Sec. 102(e) Date Aug. 26, 1997 PCT Filed Feb. 29, 1996 PCT Pub. No. WO96/27623 PCT Pub. Date Sep. 12, 1996Particulate, filterable polystyrene formulations are obtained by anionic polymerization of styrene in nonaqueous dispersion if the polymerization is carried out in an aliphatic hydrocarbon as the dispersing medium and with a styrene/diene/styrene three-block copolymer, for example based on polybutadiene or polyisoprene, as the dispersant.
Inventors:
WUENSCH JOSEF (DE)
TUTTELBERG LEMBIT (DE)
HEINRICH FRITZ (DE)
BRAND SIEGBERT (DE)
TUTTELBERG LEMBIT (DE)
HEINRICH FRITZ (DE)
BRAND SIEGBERT (DE)
Application Number:
PCT/EP1996/000827
Publication Date:
October 17, 1996
Filing Date:
February 29, 1996
Export Citation:
Assignee:
BASF AG (DE)
WUENSCH JOSEF (DE)
TUTTELBERG LEMBIT (DE)
HEINRICH FRITZ (DE)
BRAND SIEGBERT (DE)
WUENSCH JOSEF (DE)
TUTTELBERG LEMBIT (DE)
HEINRICH FRITZ (DE)
BRAND SIEGBERT (DE)
International Classes:
C08F2/08; C08F2/14; C08F12/04; C08F12/08; (IPC1-7): C08F12/08
Foreign References:
| EP0530796A1 | 1993-03-10 | |||
| FR2137676A1 | 1972-12-29 | |||
| US4942209A | 1990-07-17 |
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