Thermosetting high solids solvent-based polyester-urethane coati

Details Thermosetting high solids solvent-based polyester-urethane coati Thermosetting high solids solvent-based polyester-urethane coati

1984-12-07

1985-10-22

Phynes, Lucille M.

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

Synthetic resins

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

525443, 528288, 528307, 528308, C08F28300, C08G 6376

Patent

active

045489980

ABSTRACT:
This invention encompasses an improved high solids, solvent-based, thermosetting composition having the necessary hardness and flexibility that make it an effective coating for both elastomeric and hard metal substrates. The composition comprises a polyester-urethane polyol and a curing agent such as an aminoplast. The improvement herein comprises the method of preparing the polyester-urethane polyol which comprises reacting together urea, polyamine and a polyester polyol.

REFERENCES:
patent: 4410667 (1983-10-01), Porter et al.
patent: 4410668 (1983-10-01), Piccirilli et al.
patent: 4485228 (1984-11-01), Chang et al.

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