Thermosetting, powder coating system
AssigneeEMS-Inventa AG
InventorsAndreas Kaplan, Albert Reich, Rene Gisler
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Abstract
A method for producing glycidic ether-containing amorphous and/or semi-crystalline copolyesters involves first producing a hydroxyl-functional amorphous or semi-crystalline copolyester, and then converting such hydroxyl-functional copolyester with an epihaloalkane to form the desired glycidic ether-containing copolyester.
Claims15
A method for producing glycidic ether-containing amorphous or semi-crystalline copolyesters, characterized in that in a first step a hydroxyl-functional amorphous or semi-crystalline copolyester is produced and subsequently in a second step is converted with an epihaloalkane to form a glycidic ether-containing copolyester.
A method for producing glycidic ether-containing copolyesters, characterized in that a copolyester is converted with an epihaloalkane in a single stage in accordance with a phase transfer mechanism in the presence of a quaternary onium salt to form a glycidic ether-containing copolyester.
A glycidic ether-containing amorphous or semi-crystalline copolyester having a molecular weight (Mn) of 300 to 10,000 and having an epoxide number of 0.018 to 0.510.
Dependencies are inferred from the claim text.