Title:
A PROCESS FOR PRODUCING A WATER-ABSORBING MATERIAL HAVING A COATING OF ELASTIC FILMFORMING POLYMERS
Document Type and Number:
WIPO Patent Application WO2006082241
Kind Code:
A3
Abstract:
The present invention relates to a process for producing a water-absorbing material comprising the steps of a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor in the range from 0°C to 1500°C and b) heat-treatment of the coated particles at a temperature above 50°C, wherein in step a) and/or b) an antioxidant is added and the water-absorbing material obtainable by this process.
Inventors:
DANIEL THOMAS (DE)
RIEGEL ULRICH (DE)
BRUHNS STEFAN (DE)
ELLIOTT MARK (DE)
HAEBERLE KARL (DE)
SCHMIDT MATTIAS (DE)
MEYER AXEL (DE)
FOSSUM RENAE DIANNA (US)
AUTRAN JEAN-PHILIPPE MARIE (US)
RIEGEL ULRICH (DE)
BRUHNS STEFAN (DE)
ELLIOTT MARK (DE)
HAEBERLE KARL (DE)
SCHMIDT MATTIAS (DE)
MEYER AXEL (DE)
FOSSUM RENAE DIANNA (US)
AUTRAN JEAN-PHILIPPE MARIE (US)
Application Number:
PCT/EP2006/050663
Publication Date:
November 02, 2006
Filing Date:
February 03, 2006
Export Citation:
Assignee:
BASF AG (DE)
DANIEL THOMAS (DE)
RIEGEL ULRICH (DE)
BRUHNS STEFAN (DE)
ELLIOTT MARK (DE)
HAEBERLE KARL (DE)
SCHMIDT MATTIAS (DE)
MEYER AXEL (DE)
FOSSUM RENAE DIANNA (US)
AUTRAN JEAN-PHILIPPE MARIE (US)
DANIEL THOMAS (DE)
RIEGEL ULRICH (DE)
BRUHNS STEFAN (DE)
ELLIOTT MARK (DE)
HAEBERLE KARL (DE)
SCHMIDT MATTIAS (DE)
MEYER AXEL (DE)
FOSSUM RENAE DIANNA (US)
AUTRAN JEAN-PHILIPPE MARIE (US)
International Classes:
A61L15/16
Domestic Patent References:
| WO2005014067A1 | 2005-02-17 | |||
| WO2005014697A1 | 2005-02-17 |
Foreign References:
| US20050043474A1 | 2005-02-24 | |||
| EP1097946A2 | 2001-05-09 | |||
| EP1645596A1 | 2006-04-12 | |||
| EP0249391A2 | 1987-12-16 | |||
| US20050031872A1 | 2005-02-10 |
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