Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1984-08-01
1985-04-16
Williams, Howard S.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C25D 1306, C08L 6302
Patent
active
045114471
ABSTRACT:
Coating compositions comprising a polymeric polyol with a polyester crosslinking agent having at least two gamma and/or delta-hydroxyester groups per molecule are disclosed. The compositions, when applied to a substrate and cured in the presence of a transesterification catalyst, give solvent-resistant coatings.
REFERENCES:
patent: 3937679 (1976-02-01), Bosso et al.
patent: 4101486 (1978-07-01), Bosso et al.
patent: 4352842 (1982-10-01), Kooijmans et al.
J. Prakt. Chem. 312, 1970, pp. 660-668--"On the Chemistry of Metal-Ion Catalyzed Transesterification Reactions", by H. Zimmermann and E. Schaaf.
PPG Industries Inc.
Uhl William J.
Williams Howard S.
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