Method for preparing water-soluble lacquer

Details Method for preparing water-soluble lacquer Method for preparing water-soluble lacquer

1979-10-16

1981-06-09

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

427 67, 427157, 528421, 528482, C08L 7102

Patent

active

042724210

ABSTRACT:
This invention relates to a method for preparing a water soluble lacquer, which comprises dissolving polyethylene oxide having a molecular weight of at least 2,500,000 in water to form a polyethylene oxide aqueous solution, adding acid to said solution in such a manner as to adjust the pH of the solution in the range of from 3.0 to 5.0, heating the resultant solution at a temperature of not lower than 95.degree. C., cooling the solution and removing the remaining acid with an ion exchange resin.

REFERENCES:
patent: 3462379 (1969-08-01), Gurgiolo et al.
patent: 4098990 (1978-07-01), Lutze et al.

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