Process for depolymerization of acrylic acid polymers

Details Process for depolymerization of acrylic acid polymers Process for depolymerization of acrylic acid polymers

B - Operations, Transporting

08

B

149/12.1

B08B 3/08 (2006.01)

Patent

CA 1162827

ABSTRACT OF THE INVENTION A method for removing acrylic acid polymer from processing vessels, e.g., distillation towers, which comprises contacting said polymer with a dialkyl phthal- ate having 1 to 4 carbon atoms in each of the alkyl groups in vapor or liquid form at elevated temperatures. This procedure dissolves and depolymerizes the polymer and removes it from the vessel.

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