Poly(haloethyl-ethyleneoxy) phosphoric acid ester polymers

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

1976-01-23

1977-03-22

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428921, C07L 908

Patent

active

040138143

ABSTRACT:
Liquid poly(haloethyl-ethyleneoxy) phosphoric acid esters are prepared by condensing tris (2-haloethyl) phosphate at a temperature of from 140.degree. 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: 3660539 (1972-05-01), Wu

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