Unsaturated polyester resins and molding compositions containing same

The novel aspect of this invention resides in co-reacting a toughening agent with components of an unsaturated polyester resin in order to introduce the toughening agent into the backbone of the unsaturated polyester resin and thus produce a toughened stable resin. Suitable toughening agents are car...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BERTSCH, ROBERT J, RIEW, CHANGKIU K
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The novel aspect of this invention resides in co-reacting a toughening agent with components of an unsaturated polyester resin in order to introduce the toughening agent into the backbone of the unsaturated polyester resin and thus produce a toughened stable resin. Suitable toughening agents are carboxyl and hydroxyl terminated reactive liquid polymers which are used in amount of 1 to 30, preferably 1 to 15 parts by weight per 100 parts by weight of reactant monomers used to prepare the polyester resin.