Poly(haloethyl-ethyleneoxy) phosphoric acid ester polymers as fl

Details Poly(haloethyl-ethyleneoxy) phosphoric acid ester polymers as fl Poly(haloethyl-ethyleneoxy) phosphoric acid ester polymers as fl

1974-12-20

1977-01-25

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106177, 260 457P, 260 775SS, 260865, C08K 551, C08K 552, C08J 952

Patent

active

040050343

ABSTRACT:
Liquid poly(haloethyl-ethyleneoxy) phosphoric acid esters are prepared by condensing tris (2-haloethyl) phosphate at a temperature of from 140.degree. C. to 220.degree. C. in the presence of a catalyst until from about 0.5 to about 0.9 moles of ethylene dihalide per mole of tris(2-haloethyl) phosphate is evolved. A low acidity product is obtained. Any residual acidity in the product is substantially eliminated by neutralization with an alkylene oxide.

REFERENCES:
patent: 2733226 (1956-01-01), Hunter
patent: 3027349 (1962-03-01), Bahr et al.
patent: 3262894 (1966-07-01), Green
patent: 3361691 (1968-01-01), Mazzeo
patent: 3515565 (1970-06-01), Wood et al.
patent: 3701816 (1972-10-01), Nogami et al.
patent: 3836507 (1974-09-01), Yoshizawa et al.
Gefter, "Organophosphorus Monomers and Polymers," 1962, p. 208.

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