POLYESTER RESIN COMPOSITION CONTAINING SILICA COATED WITH CERAMIC NANOPARTICLES AND THEIR EXCELLANT DEEP COLORATION

摘要

A polyester resin composition using ceramic nanocomposite particles is provided to obtain excellent heat resistant and deep color developing property and to produce a material for fiber products requiring a deep color developing effect. A polyester resin composition comprises: (A) 90-99 wt% of a polyester resin; and (B) 1-10 wt% of ceramic nanocomposite particles having a core/skin structure. The polyester resin includes polyethylene terephthalate having an intrinsic viscosity of 0.6-0.7 dL/g. The core part of the ceramic nanocomposite particles is selected from silicon oxide, titanium dioxide, calcium carbonate and barium sulfonate. The skin part of the ceramic nanocomposite particles is selected from ceria, alumina, zirconia and silicon oxide.