Poly(pentaerythrityl diphosphonate) and its use in self-extingui

Details Poly(pentaerythrityl diphosphonate) and its use in self-extingui Poly(pentaerythrityl diphosphonate) and its use in self-extingui

1995-05-24

1997-01-28

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

252609, 524415, 524416, 548112, 5483341, C08K 534, C08K 332, C07F 906

Patent

active

055978550

ABSTRACT:
Poly(Pentaerythrityl diphosphonate) of formula (I): ##STR1## wherein n is an integer having a value comprised within the range of from 3 to 100.
The poly(pentaerythrityl diphosphonate) of formula (I) is useful as a flame retardant additive for thermoplastic polymers.

REFERENCES:
patent: 3892765 (1975-07-01), Porret et al.
patent: 3925406 (1975-12-01), Porret et al.
patent: 4086205 (1978-04-01), Birum

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