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US 7,923,525 B2Granted
Polyester resin and fabrication method thereof
AssigneeIndustrial Technology Research Institute
InventorsChih-Hsiang Lin, Hsin-Ching Kao
Life of this patent
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Abstract
A polyester resin and a fabrication method thereof are provided. The fabrication method includes providing a diphenol monomer and a diacid monomer. The diphenol monomer is acetylated and then melt pre-polymerized with diacid monomer to form a pre-polymer. Then, the pre-polymer is polymerized by solid state polymerization to form a heat-resistant and transparent polyester resin.
Claims26
A polyester resin of Formula (I):
- wherein R1 is naphthalene, butyl, hexyl or combinations thereof;
- R2 is:
- or combinations thereof, and
- n is the number of repeated units.
1 more element
A method for forming a polyester resin, comprising:
- providing a diphenol monomer and performing an acetylation to the diphenol monomer to form an acetylated diphenol monomer;
- providing a diacid monomer;
- performing a melt pre-polymerization at a temperature of 180 to 280° C. to the acetylated diphenol monomer and the diacid monomer to form a pre-polymer;
- and
- performing a solid state polymerization at a temperature of 150 to 250° C. to the pre-polymer to form the polyester resin.
2 more elements
Dependencies are inferred from the claim text.