Uniformly pigmented, low shrinking polyester molding compositions

Uniformly pigmented, low shrinking polyester molding compositions

There is disclosed thickened, low shrinkage polyester molding compositions having improved pigmentation. The improved pigmentation in thickenable polyester molding compositions containing a carboxylated vinyl ester polymer low profile additive is achieved either by incorporating a surfactant in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ATKINS, KENNETH E
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:There is disclosed thickened, low shrinkage polyester molding compositions having improved pigmentation. The improved pigmentation in thickenable polyester molding compositions containing a carboxylated vinyl ester polymer low profile additive is achieved either by incorporating a surfactant in the composition, by using as the low profile additive a vinyl acetate/maleic acid copolymer, or by a combination of the two methods.