Drying process of viscous solution containing (meth)acrylic acid

Details Drying process of viscous solution containing (meth)acrylic acid Drying process of viscous solution containing (meth)acrylic acid

1995-09-11

1997-09-16

Weber, Thomas R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

C08F 610

Patent

active

056682522

ABSTRACT:
A method of drying a viscous solution containing a (meth)acrylic acid-based polymer or copolymer containing (meth)acrylic acid and/or a salt thereof as a monomer unit, the degree of neutralization of the acid group contained in the polymer being not more than 50 mol %, wherein the method comprises subjecting the solution to, or passing the solution through, a drying zone, in the form of a line, so that the solvent in the solution is removed.

REFERENCES:
patent: 4138539 (1979-02-01), Landolt et al.
patent: 4286082 (1981-08-01), Tsubakimoto et al.
patent: 4914170 (1990-04-01), Chang et al.
Polymer Engineering and Science, vol. 31, No. 12, pp. 867-872, Jun. 1991, Jung-Ki Park, et al., "Effect of Drying Conditions on the Glass Transition of Poly(Acrylic Acid)".

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