Phosphorus-containing condensation products, their production an

Details Phosphorus-containing condensation products, their production an Phosphorus-containing condensation products, their production an

1976-08-02

1979-09-04

Briggs, Sr., Wilbert J.

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

Synthetic resins

From phosphorus-containing reactant

2606065P, 427390D, 428365, C08G 7906

Patent

active

041668979

ABSTRACT:
Process for producing a water-soluble phosphorus-containing condensation product having a molar ratio P--CH.sub.2 --P linkage/P--CH.sub.2 OCH.sub.2 --P linkage of 0.8-4.0 by heating a tetrakis(hydroxymethyl)phosphonium compound under reduced pressure and acid conditions to condense it by dehydration and deformaldehydation reaction. This condensation product can be used for rendering textile articles flame retardant.

REFERENCES:
patent: 2809941 (1957-10-01), Reeves et al.
patent: 3146212 (1964-08-01), Wagner et al.
patent: 3932502 (1976-01-01), Nachbur et al.
patent: 4071501 (1978-01-01), Pepperman et al.

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