Esterification of carboxylate containing polymers

Details Esterification of carboxylate containing polymers Esterification of carboxylate containing polymers

1992-09-29

1994-06-28

Zitomer, Fred

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253298, 5253301, 5253305, 5253306, 5253335, 5253336, 525343, 525378, 525379, 525380, 5253333, 525535, 525540, C08F 814, C08F 2006, C08F 210

Patent

active

053247906

ABSTRACT:
A process for esterifying a polymer containing carboxyl(ate) groups, by maintaining the polymer at 0.degree. C. to 200.degree. C., where the counterion for the carboxylate groups is a selected ammonium or sulfoxonium ions. Such processes are useful for preparing improved films and coatings, particularly automotive coatings.

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K. Williams, et al., Synthesis, 727-728 (1974).
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A. T. Lawson, et al., J. Chem. Soc., vol. 53, pp. 624-636 (1988).
K. Yamauchi, et al., J. Org. Chem. vol. 44, pp. 638-639 (1979).
H. Ohtani, et al., J. High Res. Chromatog., vol. 14, pp. 388-391 (1991).

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