Novel phosphonic acid compounds and method of preparation

Details Novel phosphonic acid compounds and method of preparation Novel phosphonic acid compounds and method of preparation

1991-02-27

1991-12-31

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526347, 5263185, 5263285, 526345, C08F23002

Patent

active

050773666

ABSTRACT:
Novel phosphonic acid-containing compounds such as (2-(4-ethylphenyl)ethenyl)-phosphonic acid and esters thereof are disclosed. A method preparation of the phosphonic acids comprising contacting a diethylenically unsaturated aromatic compound and phosphorus pentachloride in the present of sulfur dioxide is also disclosed. The compounds of this invention are useful as monomers for the preparation of polymers having enhanced anti-corrosive properties.

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