| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester resin composition suitable for a surface-mountable LED reflector panel excellent in terms of heat resistance, injection moldability, low water absorption, and surface reflectivity.SOLUTION: The provided polyester resin composition for an LED reflection panel includes (A) a copolymerized polyester resin, (B) titanium oxide, (C) at least one type of reinforcement selected from the group consisting of fibrous reinforcements and acicular reinforcements; and (D) a non-fibrous or non-acicular filler, wherein the respective inclusion ratios of the titanium oxide (B), reinforcement (C), and non-fibrous or non-acicular filler (D) with respect to 100 parts.mass of the copolymerized polyester resin (A) are 0.5-100 parts.mass, 0-100 parts.mass, and 0-50 parts.mass, and wherein the copolymerized polyester resin (A) includes, as constituent components, a dicarboxylic acid component and glycol components including trans-1,4-cyclohexanediol and other glycols. |
