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US 12,595,359 B2Granted
Resin composition for forming optical component, molded product, and optical component
AssigneeMitsui Chemicals, Inc.
InventorsYuki Hashimoto, Yasuyuki Soeda, Hisahiro Kato, Takayuki Okuno
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Abstract
Provided is a resin composition for forming an optical component, the resin composition including a cyclic olefin-based polymer and an anthraquinone-based dye, in which the cyclic olefin-based polymer includes at least one selected from a copolymer of ethylene or an α-olefin and a cyclic olefin, and a ring-opening polymer of a cyclic olefin.
Claims13
A resin composition for forming an optical component, comprising:
- a cyclic olefin-based polymer and an anthraquinone-based dye,
- wherein the cyclic olefin-based polymer includes a copolymer, and
- with regard to a molded product formed from the resin composition for forming an optical component and having a thickness of 1 mm, an average value of transmittance at a wavelength of 850 to 1000 nm is equal to or more than 85%,
- wherein the copolymer has one kind or two or more kinds of structures represented by the following Formula (2),
- wherein in the Formula (2), R1 represents a divalent group represented by the following Formula (3),
- wherein p is 1,
- R2 represents a hydrogen atom or one kind or two or more kinds of monovalent groups selected from the group consisting of hydrocarbon groups having 1 to 10 carbon atoms, and x and y represent copolymerization ratios and are real numbers satisfying the condition 5/95≤y/x≤95/5.
4 more elements
A resin composition for forming an optical component, the resin composition comprising a resin and an anthraquinone-based dye,
- wherein the resin includes a copolymer,
- with regard to a molded product formed from the resin composition for forming an optical component and having a thickness of 1 mm, an average value of transmittance at a wavelength of 850 to 1000 nm is equal to or more than 85%, and an average value of transmittance at a wavelength of 300 to 600 nm is equal to or less than 1%, and
- with regard to a molded product formed from the resin composition for forming an optical component and having a thickness of 3 mm, a refractive index at a wavelength of 830 nm is equal to or more than 1.50 and equal to or less than 1.70 at a measurement temperature of 25° C.,
- wherein the copolymer has one kind or two or more kinds of structures represented by the following Formula (2),
- wherein in the Formula (2), R1 represents a divalent group represented by the following Formula (3),
- wherein p is 1,
- R2 represents a hydrogen atom or one kind or two or more kinds of monovalent groups selected from the group consisting of hydrocarbon groups having 1 to 10 carbon atoms, and x and y represent copolymerization ratios and are real numbers satisfying the condition 5/95≤y/x≤95/5.
4 more elements
Dependencies are inferred from the claim text.