Polyester resins based on terephthalic acid and 2-methyl-1,3-propanediol and processes for the preparation thereof

The present invention pertains to the field of unsaturated polyester resins and to molding compositions containing these unsaturated polyester resins and a copolymerizable unsaturated monomer. Unsaturated terephthalate-based polyester resins (UPR) based on 2-methyl-1,3-propanediol, a saturated dicar...

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Main Authors Karas, Lawrence J, Puckett, Paul M
Format Patent
LanguageEnglish
Published 02.07.2002
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Abstract The present invention pertains to the field of unsaturated polyester resins and to molding compositions containing these unsaturated polyester resins and a copolymerizable unsaturated monomer. Unsaturated terephthalate-based polyester resins (UPR) based on 2-methyl-1,3-propanediol, a saturated dicarboxylic acid or derivative thereof, and an unsaturated dicarboxylic acid or derivative thereof be prepared without use of a catalyst in reasonable cycle times. UPR based on these monomers exhibit exceptional solubility in styrene, and are thus useful in polyester molding resins.
AbstractList The present invention pertains to the field of unsaturated polyester resins and to molding compositions containing these unsaturated polyester resins and a copolymerizable unsaturated monomer. Unsaturated terephthalate-based polyester resins (UPR) based on 2-methyl-1,3-propanediol, a saturated dicarboxylic acid or derivative thereof, and an unsaturated dicarboxylic acid or derivative thereof be prepared without use of a catalyst in reasonable cycle times. UPR based on these monomers exhibit exceptional solubility in styrene, and are thus useful in polyester molding resins.
Author Karas, Lawrence J
Puckett, Paul M
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Title Polyester resins based on terephthalic acid and 2-methyl-1,3-propanediol and processes for the preparation thereof
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