Thermosetting coating composition of an organic polyisocyanate and a polymer having pendant hydroxyl containing ester groups
Abstract
Abstract A THERMOSETTING COATING COMPOSITION OF A URETHANE POLYMER THAT CURES INTO A DURABLE, FLEXIBLE COATING IS THE SUBJECT OF THIS INVENTION; THE FILM-FORMING CONSTITUENTS OF THE COATING COMPOSITION ARE (1) AN ORGANIC POLYISOCYANATE, AND (2) A POLYMER THAT HAS A BACKBONE OF POLYMERIZED ETHYLENICALLY UNSATURATED MONOMERS AND HAS ATTACHED DIRECTLY TO ITS BACKBONE ESTER GROUPS OF THE FOLLOWING STRUCTURE -COO-R1-OH AND -COO-R1-OOC-R2-COO-CH2-CH(-OH)-CH2-OOC-R3 OR AN ISOMER THEREOF, WHEREIN R1, R2 AND R3 ARE HYDROCARBON RADICALS; THIS NOVEL COATING COMPOSITION IS PARTICULARLY USEFUL AS A HIGH QUALITY INDUSTRIAL FINISH AND CAN BE USED TO PAINT AUTOS, TRUCKS, AIRCRAFT, RAILWAY EQUIPMENT AND THE LIKE.
Inventors
- 👤 Joseph A Vasta
Bibliographic Details
Claims Analysis
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