Methods for removing acrylic-based polymer coatings

Details Methods for removing acrylic-based polymer coatings Methods for removing acrylic-based polymer coatings

1993-11-17

1997-03-11

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Paints, varnishes, lacquers, or enamels, removal

134 3, 134 18, 134 41, 134 2219, B08B 308, C23G 102

Patent

active

056096933

ABSTRACT:
Methods useful for removing an acrylic-based polymeric material located on a surface, for example, a surface of a piece of process equipment. The method includes contacting an acrylic-based polymeric material located on the surface of a piece of equipment with a composition containing at least about 20% by weight of water and an organic component containing at least one alkylene oxide group, preferably a plurality of alkylene oxide groups, per molecule in an amount effective to solubilize at least a portion of the acrylic-based polymeric material.

REFERENCES:
patent: 4591391 (1986-05-01), Shimizu et al.
patent: 4731126 (1988-03-01), Dixit et al.
patent: 4832868 (1989-05-01), Schmid et al.
patent: 4921629 (1990-05-01), Malihi et al.
Eudragit E. standards Sheet, Rohm Pharma, Dec. 15, 1989.
Eudragit L, Data Sheet, Dec. 15, 1989.

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