Method of preparing salts of poly-alpha-hydroxyacrylic acid

Details Method of preparing salts of poly-alpha-hydroxyacrylic acid Method of preparing salts of poly-alpha-hydroxyacrylic acid

1975-10-15

1978-08-15

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260539R, 526229, 526230, 526232, 526292, C08F 210, C08F12006

Patent

active

041074114

ABSTRACT:
Salts of poly-.alpha.-hydroxyacrylic acid or their alkyl derivatives are obtained by thermally dehydrochlorinating .alpha., .beta.-dichloro-propionic acid or its alkyl derivatives into the corresponding .alpha.-chloroacrylic acid, polymerizing the .alpha.-chloroacrylic acid in water to obtain a solid product and neutralizing the solid product with an aqueous solution of alkali metal hydroxide or ammonium hydroxide.
The poly-.alpha.-hydroxyacrylates are useful as sequestering agents or builders.

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