Polycarbonate resin composition and molded article thereof
AssigneeTeijin Chemicals, Ltd.
InventorsRyo Niimi, Takashi Oda, Akihiro Nitta, Toshiaki Hotaka
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Abstract
A resin composition which provides a molded article capable of effectively blocking off heat rays from sunlight and having excellent transparency, color and moist heat resistance and a molded article thereof. The resin composition comprises (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.0001 to 0.05 part by weight of coated hexaboride particles, each composed of a hexaboride particle of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca and a coating layer (component B), and (C) 0.0001 to 0.05 part by weight of nitride particles (component C).
Claims16
A resin composition comprising (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.0001 to 0.05 part by weight of coated hexaboride particles, composed of a hexaboride particle of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca and a coating layer (component B), and (C) 0.0001 to 0.05 part by weight of nitride particles (component C).
A method of manufacturing a resin composition, comprising the step of melt kneading particles containing 100 parts by weight of coated hexaboride particles, each composed of a hexaboride particle of at least one element selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca and a coating layer (component B), 0.2 to 1,000 parts by weight of nitride particles (component C) and 10 to 200 parts by weight of a polymer dispersant (component F) with a polycarbonate resin (component A).
Dependencies are inferred from the claim text.