REFLECTION PLATE AND LIGHT EMITTING DEVICE
First Claim
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1. A reflection plate made of a resin composition comprising:
- (A) a liquid crystalline polyester,(B) a titanium oxide filler, and(C) a silica-based filler containing 85% by weight or more of silicon oxide,wherein the resin composition contains the titanium oxide filler in the amount of from 5 to 80 parts by weight and the silica-based filler in the amount of from 0.01 to 20 parts by weight on the basis of 100 parts by weight of the liquid crystalline polyester.
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Abstract
The present invention provides a reflection plate made of a resin composition comprising a liquid crystalline polyester, a titanium oxide filler and a silica-based filler containing 85% by weight or more of silicon oxide, wherein the resin composition contains the titanium oxide filler in the amount of from 5 to 80 parts by weight and the silica-based filler in the amount of from 0.01 to 20 parts by weight on the basis of 100 parts by weight of the liquid crystalline polyester. The reflection plate has an excellent reflectance, especially to light in a visible range, while maintaining excellent heat resistance of the liquid crystalline polyester.
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10 Claims
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1. A reflection plate made of a resin composition comprising:
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(A) a liquid crystalline polyester, (B) a titanium oxide filler, and (C) a silica-based filler containing 85% by weight or more of silicon oxide, wherein the resin composition contains the titanium oxide filler in the amount of from 5 to 80 parts by weight and the silica-based filler in the amount of from 0.01 to 20 parts by weight on the basis of 100 parts by weight of the liquid crystalline polyester. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10)
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8. A method for producing a reflection plate, the method comprising the steps of:
mixing (A) 100 parts by weight of a liquid crystalline polyester, (B) 5 to 80 parts by weight of a titanium oxide filler and (C) 0.01 to 20 parts by weight of a silica-based filler containing 85% by weight or more of silicon oxide to preparing a resin composition; and
injection-molding the resin composition.
Specification