| 摘要 |
K-17766/+ Phosphorus-containing copolymers and their use Phosphorus-containing copolymers obtainable by reacting an epoxide compound with a dialkyl pentaerythrityl diphosphite of the formula I (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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