Low temperature cure, activated ester coating composition with i

Details Low temperature cure, activated ester coating composition with i Low temperature cure, activated ester coating composition with i

1983-09-06

1985-07-23

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

5253282, 525379, 525381, 525382, 526304, C08J 3900, C08K 3900

Patent

active

045309604

ABSTRACT:
A low temperature cure, two component coating composition having an improved balance between pot life and speed of cure is provided. The coating composition includes a crosslinkable, solvent borne, solution polymer containing certain activated ester groups, and a hemiaminal. Also provided is a crosslinked coating obtained by curing the composition. Additionally, there is provided a process for increasing the pot life of a low temperature cure coating composition. The process includes the step of forming a hemiaminal from a crosslinking agent preferably prior to mixing the crosslinking agent with the polymer.

REFERENCES:
patent: 4303563 (1981-12-01), Emmons et al.
patent: 4446280 (1984-05-01), Cady et al.

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