POLYESTER RESIN COMPOSITION HAVING GOOD REFLECTANCE, HEAT RESISTANCE, YELLOWING RESISTANCE AND HUMIDITY RESISTANCE

摘要

PURPOSE: A polyester resin composition is provided to lower reflection reduction rate after thermostat and humidity. CONSTITUTION: A polyester resin composition comprises 100 parts by weight of polyester resin having recurring unit of chemical formula 1 having the melting point of 200 deg. Celsius or higher, 0.1-80 parts by weight of white pigment, and 0.01-80 parts by weight of filler. The polyester resin additionally includes 85 wt% or less of ethylene glycol based on 100 wt% of diol component. The polyester resin additionally includes C6-C21 aromatic diol as a diol component, or C3-C8 aliphatic diol.