POLYESTER POLYOLS, THEIR MANUFACTURE AND USE IN POLYURETHANE PRODUCTION

摘要

Polyester Polyols, Their Manufacture and Use in Polyurethane Production A polyester polyol derived from a polyalkoxylated byproduct of pentaerythritol manufacture and polycarboxylic acids, the latter being themselves by-products from the production of adipic acid or terephthalic acid or derivatives thereof, useful for the manufacture of rigid foam.