EP 0441675 B1 19950524 - Polymeric material grafted with phosphate-containing grafts and use.
Title (en)
Polymeric material grafted with phosphate-containing grafts and use.
Title (de)
Phosphatgruppen enthaltende Pfropfpolymere und Verwendung.
Title (fr)
Matériau polymérique à greffons phosphatés et utilisations.
Publication
Application
Priority
FR 9001622 A 19900205
Abstract (en)
[origin: EP0441675A1] At least some graft units of the grafted polymeric material according to the invention consist of phosphate units of general formula: <IMAGE> in which R1 is H or an alkyl, R2 an alkylene, an alkylene oxide and/or polyoxide and R3<+> and R4<+> are either separate and chosen from H<+>, monovalent metal ions, or cations containing N<+>, or are merged, R3R4<2+> being a divalent metal ion. The uses of this material are numerous: as ion exchanger over a wide pH range, R3<+> and R4<+> being H<+>; as antiseptics, R3<H N=0><+> and R4<+> being metal ions with antiseptic activity like Ag<+>, Zn<2+>, Cu<2+> or quaternary ammoniums or chlorhexidine; as bone substitute, R3R4<2+> being Ca<2+>; as a binder-free composite, the degree of grafting being at least 20 %. The starting polymeric material is, for example, based on polypropylene, cellulose or silk. The process preferably consists in grafting the material with the aid of an ethylenic ester of phosphoric acid of general formula: <IMAGE>
IPC 1-7
IPC 8 full level
C08F 251/02 (2006.01); C08F 251/00 (2006.01); C08F 255/02 (2006.01); D06M 14/04 (2006.01); D06M 14/22 (2006.01); D06M 16/00 (2006.01)
CPC (source: EP)
D06M 14/04 (2013.01); D06M 14/22 (2013.01); D06M 16/00 (2013.01)
Designated contracting state (EPC)
CH DE DK ES GB IT LI NL SE
DOCDB simple family (publication)
EP 0441675 A1 19910814; EP 0441675 B1 19950524; DE 69109885 D1 19950629; DE 69109885 T2 19951102; DK 0441675 T3 19950807; ES 2075377 T3 19951001; FR 2657896 A1 19910809; FR 2657896 B1 19920529; JP H06316610 A 19941115
DOCDB simple family (application)
EP 91400192 A 19910129; DE 69109885 T 19910129; DK 91400192 T 19910129; ES 91400192 T 19910129; FR 9001622 A 19900205; JP 6086991 A 19910205