Assertion: acetaldehyde | /r/AtLocation | the polymer melt
Facets:
Source sentences:
text: Specifically, a preferred embodiment of the process of the present invention provides an improved "melt-to-mold" process in which polyester polymers or copolymers are prepared in the melt phase to an I.V. value of greater than about 0.5 dL/g; an acetaldehyde reducing additive is added to the polymer melt and then the melt is fed directly from the polycondensation reactor to at least one molding or shaping machine.