Phosphorus-containing copolymers and their use

Details Phosphorus-containing copolymers and their use Phosphorus-containing copolymers and their use

C - Chemistry, Metallurgy

08

G

402/267, 400/590

C08G 79/04 (2006.01) C07F 9/547 (2006.01) C08G 59/02 (2006.01) C08G 59/30 (2006.01) C08G 59/40 (2006.01) C08L 63/00 (2006.01)

Patent

CA 2026255

K-17766/+ Phosphorus-containing copolymers and their use Abstract Phosphorus-containing copolymers obtainable by reacting an epoxide compound with a dialkyl pentaerythrityl diphosphite of the formula I Image (I), in which R1 and R2 independently of one another are a C1-C4alkyl group, are suitable for use as fire-retarding additives for plastics, in particular for epoxy resins. If the diphosphite is reacted with an excess of a diepoxide, epoxy resins containing chemically linked phosphorus are obtained, and, after curing, these afford flameproof, crosslinked products having good properties.

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