WHITE HEAT-HARDENING RESIN COMPOSITION, PRINTED-WIRING BOARD WITH THE HARDENED MATERIAL, AND REFLECTION BOARD FOR LIGHT EMITTING ELEMENT FORMED OF THE HARDENED MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a white hardening resin composition having a high reflectance, suppressed with coloration by deterioration and reduction of the reflectance by aging effect, and efficiently using light of an LED or the like when used for a reflection board for a light emitting element and a printed-wiring board mounted with the light emitting element such as the LED.

SOLUTION: This white heat-hardening resin composition includes (A) rutile-type titanium oxide, and (B) a heat-hardening resin.

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