JP2003073563A - Thermoplastic material composition, and optical component constituted by including the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thermoplastic and/or melt-moldable material composition having optical properties about refractive index n and Abbe number ν meeting formulae (H) and (J), heat resistance >=80 deg.C in glass transition temperature, transparency >=70% in light transmittance, and density of <=2.0 g/cm<3> , and to provide an optical component constructed by including the above material composition. 1.45<n<=1.80...(H) ν>=200-100 n...(J). SOLUTION: This thermoplastic material composition has a refractive index n2 and Abbe number ν2 given by formulae (E), (F) and (G) and comprises a thermoplastic resin having specific physical properties and inorganic microparticles whose mean diameter di meets formula (C) and refractive index ni is given by formula (D). 1 nm<=di <=200 nm...(C) 1.50<=ni <=4.00...(D) 1.45<n2 <=1.80...(E) ν2 >=200-100 n2 ...(F) n2 >=n1 +0.01...(G).

Description

Detailed Description of the Invention

[0001]

The present invention relates to a thermoplastic material composition,
Further, regarding the optical component including the same, more specifically, high refractivity, low dispersion (high Abbe number), heat resistance,
Material composition having transparency and excellent lightness and having thermoplasticity, and optical components including the same (for example, lenses (for example, spectacle lenses, lenses for optical devices, lenses for optoelectronics, lenses for lasers, Lens for CD pickup, lamp lens for automobile, lens for OHP, etc.), optical fiber, optical waveguide, optical filter,
Optical adhesives, optical disc substrates, display substrates, coating materials, prisms, etc.).

[0002]

2. Description of the Related Art In recent years, research into optoelectronics for an advanced information society has been vigorously carried out, and research into optical materials has been actively carried out toward its realization. The following characteristics are required as an optical material that supports various developments of optoelectronics such as optical communication, optical recording, optical processing, optical measurement, and optical calculation. That is, high refractivity, low dispersion (that is, high Abbe number), heat resistance, transparency, colorlessness,
Cleanability, easy moldability, light weight, chemical resistance, solvent resistance, etc.

Until now, inorganic materials such as quartz and optical glass have been mainly used as optical materials. Although these inorganic materials have excellent optical characteristics and heat resistance, they have problems such as processability, cost, and high density. For example, the optical glass having a refractive index of 1.70 has a very high density of about 3.0 g / cm ³ . In order to meet these demands, in recent years, development of materials having excellent optical characteristics, workability, and lightness has been advanced, and expectations for organic optical materials, particularly resin materials having thermoplasticity, are increasing. The resin material having thermoplasticity is lightweight and excellent in flexibility,
It has many features such as being free from electrical induction and being easy to process, and is being developed for applications such as optical fibers, optical waveguides, optical disc substrates, optical filters, lenses, and optical adhesives. There is.

Polycarbonate resin is a typical thermoplastic resin material, and a material using 2,2-bis (4-hydroxyphenyl) propane (commonly called bisphenol A) as a raw material is excellent in transparency and glass. Compared with other features, it is lightweight, has excellent impact resistance, and can be mass-molded because it can be melt-molded. Therefore, it has been applied as an optical component in many fields. However, although the refractive index has a relatively high value of about 1.58, the Abbe number, which indicates the degree of dispersion of the refractive index, is as low as 30, and the balance between the refractive index and the dispersion characteristic is poor, and the optical component At present, the use of the resin constituting the is limited. For example, it is known that the Abbe number of the spectacle lens material of the spectacle lens, which is a typical example of optical components, is preferably 40 or more in consideration of the visual function (Quarterly Chemistry Review No. 39, Refractive Index Control of Transparent Polymer, The Chemical Society of Japan. It is difficult to obtain the desired properties even if the polycarbonate resin made from bisphenol A is used as it is.

Many attempts have been made so far to solve these problems, and a polycarbonate resin introduced with a specific structure comprising an oxygen-containing ring (Japanese Patent Application Laid-Open No. 10-29138).
-251500), a polycarbonate resin obtained by copolymerizing an aromatic system and an aliphatic system (Japanese Patent Laid-Open No. 2000-230044).
Etc.), a polycarbonate resin having a specific aliphatic structure (Japanese Patent Laid-Open No. 2000-63506, etc.), and the like. However, for example, when it is applied to a spectacle lens, there are few resins having an Abbe number of 40 or more, which is necessary for the visual function, and most of them are about 30 to 38. Although some resins having an Abbe number of 40 or more have been proposed, the refractive index is about 1.56 at the highest, and the resin cannot be applied to applications where a high refractive index and a high Abbe number are desired. For example, for eyeglass lenses, a resin having a refractive index of 1.58 or more and an Abbe number of 40 or more is desired.

Further, it is desired to use a plurality of materials having different refractive indexes together, such as an optical fiber, an optical waveguide, and some lenses, or to develop a material having a distribution of refractive indexes. In order to deal with these materials, it is essential that the refractive index can be adjusted arbitrarily.

On the other hand, development of a thermosetting resin for spectacle lenses has been actively conducted. Many resins have been put on the market so far, and most of them have very high optical properties with a high refractive index of 1.60 or more and an Abbe number of 40 or more. It has a characteristic that it is lighter in weight compared to (Journal of Chemistry, No. 39, Refractive Index Control of Transparent Polymers, Chemical Society of Japan, Academic Publishing Center, etc.). However, since all of them are thermoplastic resins, their processing generally requires complicated steps and tens of hours or more, which is a very big problem in terms of production efficiency. .

Therefore, a material having high refractivity, low dispersibility (high Abbe number), heat resistance, transparency, and lightness, and further having thermoplasticity capable of arbitrarily controlling the refractive index, and a material containing it The optical component to be constructed has not been found yet, and its development has been eagerly desired.

[0009]

SUMMARY OF THE INVENTION In view of the above problems of the prior art, an object of the present invention is to provide excellent optical characteristics having a refractive index n and an Abbe number ν represented by formulas (H) and (J). A material composition having heat resistance at a glass transition temperature of 80 ° C. or more, transparency at a light transmittance of 70% or more, light weight at a density of 2.0 g / cm ³ or less, and thermoplasticity and / or melt moldability; It is to provide an optical component configured to include.

1.45 <n ≦ 1.80 (H) ν ≧ 200-100n (J)

[0011]

Means for Solving the Problems As a result of intensive studies to solve the above problems, the inventors have found that a thermoplastic resin having specific optical characteristics, and an inorganic fine particle having a specific average particle diameter are used. Is a material composition having high refractivity, low dispersibility (high Abbe number), heat resistance, transparency, and light weight, and further having thermoplasticity capable of arbitrarily controlling the refractive index. The present invention has been completed by discovering that an optical component including the same has high refractivity, low dispersion (high Abbe number), heat resistance, transparency, and light weight, and is excellent in moldability. did.

That is, the present invention provides the following [1] to [1]
3]. [1] 100 parts by weight of a thermoplastic resin having a refractive index n ₁ and an Abbe number ν ₁ shown by the mathematical formulas (A) and (B), and an average particle diameter d _i are shown by the mathematical formula (C), and the refractive index is n _i is composed of the inorganic fine particles 1 to 200 parts by weight represented by the formula (D), formula (E), (F) and the thermoplastic material composition with a refractive index n ₂ and an Abbe number [nu ₂ satisfy (G) object.

1.45 ≦ n ₁ ≦ 1.65 (A) ν ₁ ≧ 195-100n ₁ (B) 1 nm ≦ d _i ≦ 200 nm (C) 1.50 ≦ n _i ≦ 4.00 (D) 1. 45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G)

[2] The thermoplastic material composition according to [1], wherein the thermoplastic resin is a melt-moldable thermoplastic resin, and the thermoplastic material composition is a melt-moldable thermoplastic material composition. .

[3] The thermoplastic resin is an acrylic resin, a cycloolefin resin, a polycarbonate resin having a cycloaliphatic chain, a polyester resin having a cycloaliphatic chain, a polyether resin having a cycloaliphatic chain, a cycloaliphatic chain. The thermoplastic material composition according to the above [1] or [2], which is a polyamide resin having ## STR4 ## or a polyimide resin having a cyclic aliphatic chain.

[4] 1 selected from oxide fine particles, sulfide fine particles, selenide fine particles, or telluride fine particles
The thermoplastic material composition according to [1] to [3], which comprises at least one kind of inorganic fine particles.

[5] The inorganic fine particles according to [4], which contain titanium oxide fine particles and / or zinc oxide as the oxide fine particles.

[6] The inorganic fine particles according to [4], which contain zinc sulfide fine particles as the sulfide fine particles.

[7] An optical component comprising the thermoplastic material composition as described in [1] to [4].

[8] The optical component described in [7], wherein the optical component is a lens.

[9] The lens is a spectacle lens, a lens for optical equipment, a lens for optoelectronics, a lens for laser, a lens for CD pickup, a lamp lens for automobile or a lens for OHP. Lens.

[10] The optical component according to [7], wherein the optical component is an optical fiber.

[11] The optical component described in [7], wherein the optical component is an optical waveguide.

[12] The optical component according to [7], wherein the optical component is an optical filter.

[13] The optical component according to [7], which is an optical adhesive.

[0026]

BEST MODE FOR CARRYING OUT THE INVENTION The thermoplastic material composition of the present invention comprises
100 parts by weight of the thermoplastic resin having the refractive index n ₁ and the Abbe number ν ₁ shown by the formulas (A) and (B), the average particle diameter d _i are shown by the formula (C), and the refractive index n _i is Refractive index n ₂ consisting of 1 to 200 parts by weight of the inorganic fine particles represented by the formula (D) and satisfying the formulas (E), (F) and (G).
And a thermoplastic material composition having an Abbe number ν ₂ .

1.45 ≦ n ₁ ≦ 1.65 (A) ν ₁ ≧ 195-100n ₁ (B) 1 nm ≦ d _i ≦ 200 nm (C) 1.50 ≦ n _i ≦ 4.00 (D) 1. 45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G)

The thermoplastic resin used in the present invention is a thermoplastic resin having a refractive index n ₁ and an Abbe's number ν ₁ shown in the formulas (A) and (B). Even if a thermoplastic resin whose refractive index n ₁ and Abbe number ν ₁ do not satisfy the mathematical formulas (A) and (B) is used, the refractive index n ₂ and Abbe number ν ₂ of the obtained thermoplastic material composition are (E), (F) and (G)
May not be satisfied, and the effect of the present invention may not be sufficiently exhibited.

Further, in the present invention, the refractive index (n, _ni ,
n ₂ ) means a refractive index at a wavelength of 588 nm as described in “Quarterly Chemical Review No. 39, Refractive Index Control of Transparent Polymer, edited by The Chemical Society of Japan, Academic Publishing Center”. The Abbe number (ν, ν ₁ , ν ₂ ) in the present invention
Is a value represented by a mathematical formula (K) as described in "Quarterly Chemistry Review No. 39, Refractive Index Control of Transparent Polymer, edited by The Chemical Society of Japan, Academic Publishing Center". However, in the mathematical expression (K), nd, nf, and nc are each 58
The refractive index at 8 nm, 486 nm, and 656 nm is shown.

[0030] ν = (nd-1) / (nf-nc) (K)

The thermoplastic resin used in the present invention preferably has a glass transition temperature of 80 ° C. or higher and 400 ° C. or lower, and more preferably 100 ° C. or higher and 300 ° C. or lower. If the glass transition temperature is less than 80 ° C, sufficient heat resistance may not be obtained, and if the glass transition temperature exceeds 400 ° C, a high temperature is required for molding, which is a process disadvantage. Not only that, there is a possibility that problems such as discoloration of the material may occur.

The thermoplastic resin used in the present invention preferably has a light transmittance of 70% or more, more preferably 80% or more. When the light transmittance is less than 70%, the resulting thermoplastic material composition may have a light transmittance of less than 70%. The light transmittance in the present invention is a value obtained according to ASTM D1003 by forming a substrate having a thickness of 3.2 mm by heat molding a resin.

The thermoplastic resin used in the present invention preferably has a density of 2.0 g / cm ³ or less.
It is more preferably 5 g / cm ³ or less. When the density exceeds 2.0 g / cm ³ , the density of the thermoplastic material composition obtained may exceed 2.0 g / cm ³ .

By using a melt-moldable thermoplastic resin as the thermoplastic resin used in the present invention, a melt-moldable thermoplastic material composition can be obtained as the thermoplastic material composition of the present invention. .

The thermoplastic resin in the present invention means that it can be softened by heating within a certain temperature range and that the product can be processed by molding or extrusion in the softened state. Specifically, for example, by pressing in a heated state,
It has the ability to form a film having a thickness of about 1 to 5000 μm.

The thermoplastic resin capable of being melt-molded in the present invention has a melt viscosity capable of being melt-molded in a thermally stable temperature range and can be molded by extrusion or injection. Show. Specifically, for example, as compared with a temperature at which 5% by weight of the resin is reduced by heating in air, that is, a 5% weight reduction temperature, 1 to 100 Pascal.
It means that the temperature having a melt viscosity of about 30 seconds is lower than 30 ° C, preferably lower than 50 ° C. By having melt moldability, extrusion molding, injection molding, vacuum molding, blow molding, compression molding, blow molding, calender molding, laminate molding and the like are possible, and various molded products such as disks and fibers can be obtained. .

The thermoplastic resin used in the present invention satisfies the above-mentioned optical characteristics (refractive index and Abbe number), and more preferably, further has the above-mentioned glass transition temperature, light transmittance, density and resin processability. It is a resin that also satisfies (thermoplasticity and / or melt moldability). For example, acrylic resin, polycarbonate resin having a cyclic aliphatic chain,
Examples thereof include a polyester resin having a cyclic aliphatic chain, a polyether resin having a cyclic aliphatic chain, a polyamide resin having a cyclic aliphatic chain, and a polyimide resin having a cyclic aliphatic chain.

More specifically, for example, Table 1 (Table 1)
The resin having the structural skeleton represented by the chemical formulas (1) to (14) can be mentioned, but the invention is not limited thereto.

[0039]

[Table 1]

Further, it is also possible to use a copolymer in which a part of the cyclic aliphatic chain is replaced with an aromatic ring, and thiocarbonates, thioesters, thioethers and the like containing a part of sulfur in the bonding chain are also preferably used. it can. Since aromatic rings and sulfur may be accompanied by a decrease in Abbe's number, it is important to select them within a range not deviating from the optical characteristics of the thermoplastic resin presented in the present invention.

The method for producing the thermoplastic resin used in the present invention is not particularly limited, and any known method can be used. The type and amount of impurities contained in the resin are not particularly limited, but the impurities may impair the effects of the present invention depending on the application. Therefore, the total amount of impurities is 1% by weight or less, especially sodium or It is desirable that the ionic impurities such as chlorine be 0.5% by weight or less.

The molecular weight of the thermoplastic resin used in the present invention is not particularly limited, and may be any molecular weight depending on the application and the processing method. The value of logarithmic viscosity measured at 35 ° C. after dissolving in a solvent capable of dissolving at a concentration of 5 g / 100 ml is preferably 0.1 to 3.0 deciliter / g.

For the purpose of suppressing coloration and improving fluidity in melt molding, monoalcohols such as methanol and ethanol, and end-capping compounds such as aromatic monohydroxy compounds such as phenol and tertiary butylphenol are used together. You may.

The thermoplastic resin of the present invention is not particularly limited in the repeating of the constitutional unit, and may have an alternating structure, a random structure, a block structure or the like. The molecular shape that is usually used is linear, but a branched shape may be used. Further, it may be in a graft form.

The inorganic fine particles used in the present invention are inorganic fine particles whose average particle diameter d _i is represented by the formula (C). If the average particle diameter d _i is less than 1 nm, the refractive index n ₂ and the Abbe number ν _{2 of} the obtained thermoplastic material composition may be out of the ranges represented by the formulas (E), (F) and (G). There is. If the average particle diameter d _i exceeds 200 nm, the resulting thermoplastic material composition may become turbid and its transparency may deteriorate, resulting in a light transmittance of less than 70%.

1 nm ≦ d _i ≦ 200 nm (C)

The shape of the inorganic fine particles used in the present invention is not particularly limited, but spherical fine particles are preferably used. Further, the particle size distribution is not particularly limited, but in order to more efficiently bring out the effect of the present invention, one having a relatively narrow distribution is preferable to one having a wide distribution. Used.

The inorganic fine particles used in the present invention are inorganic fine particles whose refractive index n _i is represented by the formula (D). When the refractive index n _i is out of the range represented by the formula (D), the refractive index n ₂ and the Abbe number ν ₂ of the obtained thermoplastic material composition are
There is a possibility that it may be out of the range shown by the mathematical expressions (E), (F), and (G).

1.50 ≦ n _i ≦ 4.00 (D)

The inorganic fine particles used in the present invention satisfy the above-mentioned average particle diameter and refractive index. For example, oxide fine particles, sulfide fine particles, selenide fine particles,
Examples thereof include telluride fine particles. More specifically, for example, titanium oxide fine particles, zinc oxide fine particles, zinc sulfide fine particles and the like can be mentioned, but the present invention is not limited thereto. As these fine particles, one kind of inorganic fine particles may be used, or plural kinds of inorganic fine particles may be used in combination.

The method for producing the inorganic fine particles used in the present invention is not particularly limited, and any known method can be used. For example, a desired oxide fine particle can be obtained by hydrolyzing a metal halide or an alkoxy metal as a raw material in a reaction system containing water. At this time, a method of using an organic acid, an organic amine, or the like in combination for stabilizing the fine particles is also used. More specifically, for example, in the case of titanium dioxide fine particles, Journal of Chemical Engineering of Japan Vol. 1, No. 1, pp. 21-28 (1998), and in the case of zinc sulfide, Journal of Physical Known methods described in Chemistry Vol. 100, pages 468-471 (1996) can be used. For example, according to these methods, titanium oxide having an average particle diameter of 5 nm is prepared by adding titanium tetraisopropoxide or titanium tetrachloride as a raw material and adding a suitable surface modifier when hydrolyzing in a suitable solvent. It can be easily manufactured. Zinc sulfide having an average particle diameter of 40 nm can be produced by using dimethyl zinc or zinc chloride as a raw material and adding a surface modifier when sulfiding with hydrogen sulfide or sodium sulfide.

The thermoplastic material composition in the present invention has a number of
Refractive index n represented by the formulas (A) and (B)₁And Abbe number
ν₁100 parts by weight of a thermoplastic resin having
Diameter d_iIs represented by Formula (C), and the refractive index n_iIs a mathematical formula
1 to 200 parts by weight of the inorganic fine particles represented by (D)
More preferably, 100 parts by weight of the thermoplastic resin and the inorganic fine particles are used.
It comprises 5 to 150 parts by weight of particles. 100-ply thermoplastic resin
It was obtained that the amount of the inorganic fine particles was less than 1 part by weight based on the parts by weight.
Refractive index n of thermoplastic material composition₂And Abbe number ν
₂Is the range represented by the formulas (E), (F) and (G).
It may come off. In addition, 200 parts by weight of inorganic fine particles
When it exceeds, the refractive index n of the obtained thermoplastic material composition ₂Over
And Abbe number ν₂Are represented by the mathematical formulas (E), (F) and (G).
The material composition may not only fall outside the range
The thermoplastic property of the product may be impaired.

1.45 ≦ n ₁ ≦ 1.65 (A) ν ₁ ≧ 195-100n ₁ (B) 1 nm ≦ d _i ≦ 200 nm (C) 1.50 ≦ n _i ≦ 4.00 (D) 1. 45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G)

The thermoplastic material composition of the present invention comprises a thermoplastic resin and inorganic fine particles, but the method for preparing the composition is not particularly limited. That is, the thermoplastic resin and the inorganic fine particles are independently prepared, and then the two are mixed, a method of preparing the thermoplastic resin under the condition that the preliminarily prepared inorganic fine particles are present, and the preliminarily prepared thermoplastic resin is present. Any method such as a method of producing inorganic fine particles under the conditions described above, a method of simultaneously producing both a thermoplastic resin and inorganic fine particles can be adopted. Specifically, for example, a solution in which a thermoplastic resin is dissolved and a dispersion liquid in which inorganic fine particles are uniformly dispersed are uniformly mixed, and a meeting is performed in a solution in which the thermoplastic resin has poor solubility. Therefore, the method for obtaining the desired material composition can be preferably mentioned, but the method is not limited thereto.

In the thermoplastic material composition of the present invention, the mixing degree of the thermoplastic resin and the inorganic fine particles is not particularly limited, but in order to bring out the effect of the present invention more efficiently, they are uniformly mixed. Is desirable. If the degree of mixing is insufficient, there is concern that it may affect the optical properties such as refractive index, Abbe number, light transmittance, etc., and it may also adversely affect resin processability such as thermoplasticity and melt moldability. There is a fear. It is considered that the degree of mixing is influenced by the preparation method, and it is important to select the method by fully considering the characteristics of the thermoplastic resin and the inorganic fine particles used. In order to mix both the thermoplastic resin and the inorganic fine particles more uniformly, a method of directly bonding the thermoplastic resin and the inorganic fine particles, etc., can also be preferably used in the present invention.

The thermoplastic material composition of the present invention is an optically excellent material composition having a refractive index n ₂ and an Abbe number ν ₂ satisfying the formulas (E), (F) and (G). Is a material composition having very excellent moldability because it has thermoplasticity and / or injection moldability. This material having both excellent optical properties and moldability is a property that cannot be achieved by the materials disclosed so far, and is composed of a specific thermoplastic resin and specific inorganic fine particles, It is considered that it contributes to this characteristic.

1.45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G)

The thermoplastic material composition of the present invention has a refractive index n and an Abbe number ν represented by the formulas (H) and (J).
With excellent optical properties, glass transition temperature of 80 ° C or more, heat resistance of 70% or more of light transmittance, lightness of 2.0 g / cm ³ or less of density, and moldability, these excellent properties are obtained. Further, the refractive index n can be arbitrarily adjusted within the range represented by the formula (H) without deteriorating. The refractive index can be adjusted accurately by adjusting the composition ratio of the thermoplastic resin and the inorganic fine particles to be used.

1.45 <n ≦ 1.80 (H) ν ≧ 200-100n (J)

The thermoplastic material composition of the present invention has high refractivity, low dispersibility (high Abbe number), heat resistance, light transmittance,
It is a thermoplastic material composition that has both lightness and moldability, and that has a refractive index that can be adjusted as desired, and that has excellent optical properties, and can be suitably used for optical parts.

There is no particular limitation on the optical component formed by including the thermoplastic material composition of the present invention. For example, it can be used for a part or the whole of the component, and high refractive index and low dispersibility are required. Parts, parts requiring high transparency, parts requiring transparency and high refractivity, and the like. Also, because the refractive index can be adjusted arbitrarily, for example, like optical fibers and optical waveguides, some lenses,
It can also be suitably used for optical components that use different refractive indexes together or that require a refractive index distribution. More specifically, for example, lenses (for example, eyeglass lenses, lenses for optical devices, lenses for optoelectronics, lenses for lasers, lenses for CD pickups, lamp lenses for automobiles, OHP lenses, etc.), optical fibers, optical waveguides, Examples include optical filters, optical adhesives, optical disk substrates, display substrates, coating materials, prisms, and the like.

The thermoplastic material composition of the present invention becomes melt-moldable by using a melt-moldable thermoplastic resin as a raw material, and therefore, compared with conventionally used thermosetting resins, The optical component described above can be efficiently manufactured.

[0063]

EXAMPLES The present invention will be described in detail below with reference to examples. The physical properties and optical characteristics of the thermoplastic resin, the inorganic fine particles, the thermoplastic material composition and the like in the examples were measured by the following methods. Logarithmic viscosity η: A thermoplastic resin is dissolved in a solvent in which the resin is soluble (for example, chloroform, 1-methyl-2-pyrrolidone, dimethylformamide, ortho-dichlorobenzene, cresol, etc.) at a concentration of 0.5 g / 100 ml. After dissolution, measurement was performed at 35 ° C. Refractive index n and Abbe's number ν: A plate sample having a thickness of about 0.1 to 1 mm was prepared using an ordinary heat press and measured with an Abbe refractometer (DR-M2 manufactured by Atago Co.). Glass transition temperature Tg: Measured by DSC (Shimadzu DT-40 series, DSC-41M). Light transmittance: 3.2 m thick by heat molding the material composition
m substrate was measured and measured according to ASTM D1003. 5% weight loss temperature Td ₅ : Measured by DTA-TG (Shimadzu DT-40 series, DTG-40M) in air. Melt viscosity: Koka type flow tester (Shimadzu CFT-50
In (0), the melt viscosity was measured using an orifice having a diameter of 0.1 cm and a length of 1 cm. After keeping at the specified temperature for 5 minutes,
It was extruded at a pressure of 100,000 hectopascals.

[0064]

Synthesis Example 1 Chemical formula (15) shown in Table 2 (Table 2)
A polycarbonate resin having a repeating structural unit of was synthesized by a solution polymerization method. In a polymerization vessel equipped with a nitrogen introduction line, a stirrer, and a thermometer, 19.8 g (0.1 mol) of 4,4′-bicyclohexanol and 200 g of pyridine.
Was charged and stirred to completely dissolve it. The solution was kept at 40 ° C. in a warm water bath and phosgene was bubbled in at a rate of about 0.25 g / min while the solution was vigorously stirred. After about 25 minutes, pyridine hydrochloride started to precipitate, and after about another 15 minutes, the viscosity of the solution began to gradually increase. After bubbling phosgene for another 10 minutes, the supply was stopped and vigorous stirring was continued for 1 hour. Then, in that state, add methanol 200 from the top.
300 g of a mixed solution of g and 100 g of ion-exchanged water was introduced over 5 minutes, and the precipitated polycarbonate resin was filtered off.
In order to remove residues such as pyridine hydrochloride, the obtained polycarbonate resin was suspended in 900 g of a mixed solution of 600 g of methanol and 300 g of ion-exchanged water, vigorously stirred using a homomixer, and filtered again. After repeating this operation 3 times, wash with 900 g of methanol and
After vacuum drying for 2 hours, 22.0 g of a resin was obtained. When the obtained polycarbonate resin was subjected to elemental analysis of C and H, the contents were 70.1 wt% and 8.
8 wt%, each theoretical value 69.6 wt%,
It was confirmed to be a polycarbonate resin having a repeating structural unit represented by the chemical formula (15), which is almost equal to 8.9 wt%. Regarding the obtained polycarbonate resin,
According to the above method, logarithmic viscosity η, refractive index n, Abbe number ν, glass transition temperature Tg, and light transmittance, density ρ, 5
The% weight loss temperature Td ₅ and the melt viscosity were evaluated, and the results are shown in Table 2. This resin has a melt viscosity suitable for melt molding of 9 Pascal · sec at 180 ° C., which is sufficiently lower than 50 ° C. as compared with the 5% weight loss temperature, and is capable of melt molding. It can be seen that it is a thermoplastic resin. As can be seen from the results, this polycarbonate resin has a refractive index n ₁ represented by the formulas (A) and (B).
And a melt-moldable thermoplastic resin having an Abbe number ν ₁ and suitable for the conditions of the present invention.

1.45 ≦ n ₁ ≦ 1.65 (A) ν ₁ ≧ 195-100n ₁ (B)

[0066]

[Synthesis Example 2] 4,4'-bicyclohexanol 19.8
2,2-bis (4-hydroxycyclohexyl) propane 24.0 g (0.1 m) instead of g (0.1 mol)
ol) was used, and a polycarbonate resin having a repeating structural unit represented by the chemical formula (16) shown in Table 2 (Table 2) was synthesized by a solution polymerization method in the same manner as in Synthesis Example 1 to obtain resin 26. 2 g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polycarbonate resin having a repeating structural unit represented by the chemical formula (16). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As can be seen from the results, this polycarbonate resin is a resin suitable for the conditions of the present invention.

[0067]

Synthesis Example 3 Chemical formula (17) shown in Table 2 (Table 2)
A polyester resin having a repeating structural unit of was synthesized by the acid chloride method. In a polymerization vessel equipped with a nitrogen introduction line, a stirrer, and a thermometer, 19.8 g (0.1 mol) of 4,4′-bicyclohexanol, 20.9 g (0.1 mol) of 1,4-cyclohexanedicarboxylic acid chloride,
And 100 g of nitrobenzene were charged. The mixture was heated slowly with stirring under a nitrogen atmosphere, and the temperature was raised to 145 ° C. in 2 hours. After maintaining at this temperature for 6 hours for polymerization, nitrobenzene was distilled off under reduced pressure. The remaining polymer was further dried at this temperature under reduced pressure for 2 hours to give resin 32.4.
g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polyester resin having a repeating structural unit represented by the chemical formula (17). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As can be seen from the results, this polyester resin is a resin suitable for the conditions of the present invention.

[0068]

[Synthesis Example 4] 4,4'-bicyclohexanol 19.8
2,2-bis (4-hydroxycyclohexyl) propane 24.0 g (0.1 m) instead of g (0.1 mol)
except that the polyester resin having the repeating structural unit represented by the chemical formula (18) shown in Table 2 was synthesized by the acid chloride method in the same manner as in Synthesis Example 3, except that the resin 36.
4 g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polyester resin having a repeating structural unit represented by the chemical formula (18). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As can be seen from the results, this polyester resin is a resin suitable for the conditions of the present invention.

[0069]

Synthesis Example 5 Chemical formula (19) shown in Table 2 (Table 2)
Polyether resin having repeating structural units of Polymer Material Science Engineering No. 6
0, page 170 (1989). From the C and H elemental analysis of the obtained resin, it was confirmed to be a polyether resin having a repeating structural unit represented by the chemical formula (19). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As you can see from the results,
This polyether resin is a resin suitable for the conditions of the present invention.

[0070]

Synthesis Example 6 Chemical formula (20) shown in Table 2 (Table 2)
A polyamide resin having a repeating structural unit of was synthesized by the acid chloride method. A polymerization vessel equipped with a nitrogen introduction line, a stirrer, and a thermometer was charged with 11.4 g (0.1 mol) of 1,4-cyclohexanediamine and 200 g of N, N-dimethylacetamide and stirred while cooling with ice.
After the 1,4-cyclohexanediamine has dissolved, 1,4
-Cyclohexanedicarboxylic acid chloride 20.9 g
(0.1 mol) was gradually added, and then stirring was continued for 3 hours. Then, 200 g of methanol from the top in that state
300 g of a mixed solution of 100 g of ion-exchanged water was introduced over 5 minutes, and the precipitated resin was separated by filtration. To remove the residue such as pyridine hydrochloride, the resin obtained was treated with methanol 600
g and 300 g of ion-exchanged water were suspended in 900 g, vigorously stirred using a homomixer, and filtered again. After repeating this operation 3 times, 900 g of methanol
And then vacuum dried at 80 ° C. for 2 hours to give resin 24.0.
g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polyamide resin having a repeating structural unit represented by the chemical formula (20). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As can be seen from the results, this polyamide resin is a resin suitable for the conditions of the present invention.

[0071]

Synthesis Example 7 4,4'-bicyclohexanol 19.8
Instead of g (0.1 mol), 2,2-bis (4-hydroxycyclohexyl) propane 12.0 g (0.05
mol) and bisphenol A 11.4g (0.05mo
1) except that the polycarbonate resin having a repeating structural unit of the chemical formula (23) shown in Table 2 (Table 2) was synthesized by a solution polymerization method in the same manner as in Synthesis Example 1 to prepare resin 23. 2 g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polycarbonate resin having a repeating structural unit represented by the chemical formula (23). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2). As can be seen from the results, this polycarbonate resin is a resin not suitable for the conditions of the present invention.

[0072]

Synthesis Example 8 4,4'-bicyclohexanol 19.8
Instead of g (0.1 mol), 11.6 g (0.1 mol) of 1,4-cyclohexanediol and 20.9 g (0.1 mo) of 1,4-cyclohexanedicarboxylic acid chloride.
20.3 g of terephthaloyl chloride (0.
1 mol) except that the same procedure as in Synthesis Example 3 was performed to synthesize a polyester resin having a repeating structural unit represented by the chemical formula (24) shown in Table 2 (Table 2) by the acid chloride method. 8 g was obtained. From the C and H elemental analysis of the obtained resin, it was confirmed to be a polyester resin having a repeating structural unit represented by the chemical formula (24). Each property was evaluated in the same manner as in Synthesis Example 1, and the results are shown in Table 2 (Table 2).
It was shown to. As can be seen from the results, this polyester resin is a resin not suitable for the conditions of the present invention.

[0073]

[Table 2]

[0074]

[Synthesis Example 9] Titanium dioxide fine particles were synthesized from titanium tetrachloride as a raw material. First, Japanese Journal of Applied Physics Volume 37, 4603-460
The intermediate TiOCl ₂ was synthesized according to the method described on page 8 (1998). Titanium tetrachloride 25.0
g (0.132 mol) was charged into a three-necked flask in a nitrogen box, and cooled to about -5 ° C with a methanol / ice bath. While stirring, 14.3 g of distilled water (0.
(792 mol) was slowly added dropwise over 30 minutes. Finally a yellow clear viscous liquid was obtained. This liquid was diluted with 125 g of distilled water, and 1450 g of distilled water, 1650 g of ethanol and 5.31 g of propionic acid (0.
(072 mol) and was added all at once with stirring to a mixed solution maintained at 50 ° C. When stirring was further continued at 50 ° C., it began to become cloudy with a tens of minutes. After aging for 6 hours under these conditions, centrifugation was carried out at 10,000 rpm for 2 minutes, the obtained white gel-like substance was suspended in ethyl acetate, and centrifugation was carried out under the same conditions to obtain white fine powder 1
0.2 g was obtained. The particles were observed with an electron microscope, and it was confirmed that the particles had a substantially spherical shape and the average particle diameter was 5 nm. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles suitable for the conditions of the present invention.

[0075]

[Synthesis Example 10] Langmuir Volume 16 No. 241-2
According to the method described on page 46 (2000), titanium dioxide fine particles were synthesized from tetraisopropoxy titanium as a raw material. 2.8 g (0.01 mol) of tetraisopropoxy titanium diluted with 1000 g of 2-propanol
Was added dropwise to 11.5 g (0.1 mol) of propionic acid diluted with 10000 g of ethanol maintained at 65 ° C. over 2 minutes with vigorous stirring. 65 ℃ as it is
After stirring vigorously for 10 minutes at 2000 g, distilled water 2000 g
Was added dropwise with vigorous stirring over 10 minutes. After maintaining for 2 hours under the same conditions, centrifugation was performed at 10,000 rpm for 2 minutes, the obtained white gel-like substance was suspended in ethyl acetate, and further centrifugation was performed under the same conditions to obtain a white fine powder. 0.8 g was obtained. The particles were observed by an electron microscope and found to be almost spherical with an average particle diameter of 4 nm.
Was confirmed. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles suitable for the conditions of the present invention.

[0076]

Synthesis Example 11 5% by volume of hydrogen sulfide gas diluted with helium was passed through 100 ml of an alkaline acetonitrile solution of 3 × 10 ⁻⁴ normal zinc perchlorate hexahydrate to obtain 5 × 10 5.
^-4 normal dodecanethiol acetonitrile solution 100
Added milliliters. To this, 200 ml of hexane was added, and after removing the solvent and drying, a white fine powder of 0.1.
3 g was obtained. The particles were observed by an electron microscope, and it was confirmed that the particles had a substantially spherical shape and the average particle diameter was 40 nm. Moreover, it was confirmed from X-ray diffraction that the fine particles were zinc sulfide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the zinc sulfide fine particles are inorganic fine particles suitable for the conditions of the present invention.

[0077]

[Synthesis Example 12] The amount of propionic acid used was 5.31 g.
(0.072 mol) to 26.6 g (0.36 mo)
Synthesis was performed in the same manner as in Synthesis Example 9 except that the amount was changed to l) to obtain 10.2 g of white fine powder. The particles were observed by an electron microscope, and it was confirmed that the particles had a substantially spherical shape and the average particle diameter was 2 nm. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles suitable for the conditions of the present invention.

[0078]

[Synthesis Example 13] The amount of propionic acid used was 5.31 g.
(0.072 mol) to 0.0531 g (0.000
Synthesis was performed in the same manner as in Synthesis Example 9 except that the amount was changed to 72 mol) to obtain 9.8 g of white fine powder. The particles were observed with an electron microscope, and it was confirmed that the particles had a substantially spherical shape and the average particle diameter was 150 nm. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles suitable for the conditions of the present invention.

[0079]

[Synthesis Example 14] The amount of propionic acid used was 5.31 g.
(0.072 mol) to 106.2 g (1.44 mo)
Synthesis was performed in the same manner as in Synthesis Example 9 except for changing to 1) to obtain 10.6 g of white fine powder. The particles were observed by an electron microscope, and it was confirmed that the particles were substantially spherical and had an average particle diameter of 0.8 nm. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3).
Shown in. As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles which are not suitable for the conditions of the present invention.

[0080]

[Synthesis Example 15] The amount of propionic acid used was 5.31 g.
(0.072 mol) to 0.00531 g (0.00
Synthesis was performed in the same manner as in Synthesis Example 9 except that the amount was changed to 0072 mol) to obtain 8.8 g of white fine powder. The particles were observed by an electron microscope, and it was confirmed that the particles were substantially spherical and had an average particle diameter of 250 nm. Further, it was confirmed from X-ray diffraction that the fine particles were anatase type titanium dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the titanium dioxide fine particles are inorganic fine particles which are not suitable for the conditions of the present invention.

[0081]

[Synthesis Example 16] Tetraisopropoxy titanium 2.8 g
(0.01 mol) of tetramethoxysilane 1.52 g
Synthesis was performed in the same manner as in Synthesis Example 10 except that the content was changed to (0.01 mol) to obtain 0.6 g of white fine powder. Electron microscope observation of these particles, the particles are almost spherical,
It was confirmed that the average particle diameter was 3 nm. Further, since no sharp peak was observed in X-ray diffraction, it was confirmed that the fine particles were amorphous silicon dioxide. The evaluation results of the fine particles are shown in Table 3 (Table 3). As can be seen from the results, the silicon dioxide fine particles are inorganic fine particles that are not suitable for the conditions of the present invention.

[0082]

[Table 3]

[0083]

Example 1 0.3 g of the inorganic fine particles having the number (U1) shown in Table 3 (Table 3) was suspended in 10 g of 1-butanol and sonicated for 30 minutes, and then at 100 ° C. for 30 minutes. Heated. The resulting white turbid liquid was added dropwise to 10 g of a chloroform solution in which the resin of No. (P1) shown in Table 2 was dissolved in 10% by weight at room temperature over 5 minutes while stirring. The resulting mixed liquid was a slightly bluish white colorless transparent liquid. This liquid was precipitated in an equal volume mixture of methanol and distilled water using a homogenizer to obtain a material composition in which inorganic particles were mixed in the resin. When this composition was heat-molded to form a substrate having a thickness of 3.2 mm, the substrate was light yellow and transparent. An electron microscopic observation confirmed that the inorganic fine particles were uniformly dispersed in the resin. The refractive index, Abbe number, glass transition temperature, light transmittance, density, 5% weight loss temperature, and melt viscosity of this material composition were measured, and the results are shown in Table 4. As can be seen from the results, this material composition is a melt-moldable plastic material composition having a refractive index n ₂ and an Abbe number ν ₂ represented by the formulas (E), (F) and (G),
That is, it is a material composition having excellent optical properties and molding processability, and further, heat resistance at a glass transition temperature of 80 ° C or higher,
Light transmittance of 70% or more, density 2.0 g / cm ³
It can be seen that it also has the following lightness. Therefore, the material composition is suitable for an optical component that requires such characteristics.

1.45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G)

[0085]

Examples 2 to 8 Material compositions were prepared in the same manner as in Example 1 except that the resins used were replaced with the resins of the numbers (P2) to (P8) shown in Table 2 (Table 2). The physical property measurement results are shown in Table 4 (Table 4). In each of the examples, the material composition obtained has the same excellent properties as the material composition of Example 1, and it can be seen that the material composition is suitable for an optical component.

[0086]

[Comparative Examples 1 and 2] A material composition was prepared in the same manner as in Example 1 except that the resin used was replaced with the resin having the numbers (P9) to (P10) shown in Table 2 (Table 2). The results of measuring the physical properties are shown in Table 4. The obtained material composition does not satisfy the refractive index n ₂ and the Abbe's number ν ₂ shown in the formulas (E), (F) and (G) because the resin within the condition range of the present invention is used.

[0087]

[Examples 9 to 12] The resin to be used is the resin of the number (P3) described in Table 2 (Table 2), and the inorganic fine particles to be used are the numbers (U2) to (U5) of the table 3 (Table 3). ) A material composition was prepared in the same manner as in Example 1 except that it was replaced, and the physical property measurement results are shown in Table 4 (Table 4). In each of the examples, the material composition obtained has the same excellent properties as the material composition of Example 1, and it can be seen that the material composition is suitable for an optical component.

[0088]

COMPARATIVE EXAMPLE 3 Except that the resin to be used was changed to the resin (P3) in Table 2 (Table 2) and the inorganic fine particles to be used were changed to the number (U6) in Table 3 (Table 3). A material composition was prepared in the same manner as in Example 1. The substrate prepared from the obtained composition was clouded and the refractive index and Abbe number could not be measured because of its low light transmittance. The electron microscopic observation revealed that the inorganic fine particles were in an aggregated state.

[0089]

[Comparative Example 4] Except that the resin used was replaced with the resin of the number (P3) described in Table 2 (Table 2) and the inorganic fine particles used were replaced with the number (U7) described in Table 3 (Table 3). A material composition was prepared in the same manner as in Example 1. The substrate prepared from the obtained composition was clouded and the refractive index and Abbe number could not be measured because of its low light transmittance. From the electron microscope observation, it was not observed that the inorganic fine particles were aggregated.

[0090]

[Comparative Example 5] Except that the resin to be used was changed to the resin having the number (P3) shown in Table 2 (Table 2) and the inorganic fine particles to be used were changed to the number (U8) shown in Table 3 (Table 3). A material composition was prepared in the same manner as in Example 1, and the physical property measurement results are shown in Table 4. Since the inorganic fine particles out of the condition range of the present invention are used, the obtained material composition has formulas (E) and (F).
And (G) did not satisfy the refractive index n ₂ and the Abbe number ν ₂ .

[0091]

Examples 13 to 14 The material composition was the same as in Example 1 except that the resin to be used was changed to the resin having the number (P3) described in Table 2 (Table 2) and the amount of the inorganic fine particles to be used was changed. A product was prepared, and the physical property measurement results are shown in Table 4 (Table 4). In each of the examples, the material composition obtained has the same excellent properties as the material composition of Example 1, and it can be seen that the material composition is suitable for an optical component.

[0092]

[Comparative Example 6] A material composition was prepared in the same manner as in Example 1 except that the resin used was the resin of No. (P3) shown in Table 2 (Table 2) and the amount of the inorganic fine particles used was changed. It was created and the physical property measurement results are shown in Table 4. Since the amount of the inorganic fine particles used is outside the range of the conditions of the present invention, the optical characteristics cannot be improved, and the obtained material composition satisfies the refractive index n ₂ represented by the mathematical formula (G). is not.

N ₂ ≧ n ₁ +0.01 (G)

[0094]

[Comparative Example 7] A material composition was prepared in the same manner as in Example 1 except that the resin used was changed to the resin having the number (P3) described in Table 2 (Table 2) and the amount of the inorganic fine particles used was changed. Created. However, the obtained material composition was very brittle and a film could not be formed by hot pressing or the like. That is, it was a material composition having no thermoplasticity.

[0095]

[Table 4]

[0096]

INDUSTRIAL APPLICABILITY The thermoplastic material composition of the present invention and the optical component including the same have excellent optical properties having a refractive index n and an Abbe number ν represented by the formulas (H) and (J). Characteristics, heat resistance of glass transition temperature of 80 ° C or higher,
Light transmittance of 70% or more, density 2.0 g / c
A material composition having a lightness of m ³ or less and thermoplasticity and / or melt moldability, and an optical component including the same, for example, a lens (for example, a spectacle lens, a lens for optical equipment, an optoelectronic lens, Applications for electronics lenses, laser lenses, CD pickup lenses, automotive lamp lenses, OHP lenses, etc.), optical fibers, optical waveguides, optical filters, optical adhesives, optical disc substrates, display substrates, coating materials, prisms, etc. Suitable for

1.45 <n ≦ 1.80 (H) ν ≧ 200-100n (J)

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G02B 6/12 G02B 6/12 NF term (reference) 2H047 QA05 2H048 AA05 AA07 2H050 AB42 4J002 AA011 BG051 BK001 CE001 CF001 CG001 CH001 CL001 CM041 DE106 DE136 DG026 DG066 FD206 GP01 GP02

Claims (13)

[Claims] 1. A refractive index n represented by formulas (A) and (B).
100 parts by weight of a thermoplastic resin having ₁ and Abbe number ν _1, and ₁ to 200 parts by weight of inorganic fine particles whose average particle diameter d _i is represented by the formula (C) and whose refractive index n _i is represented by the formula (D). A thermoplastic material composition having a refractive index n ₂ and an Abbe number ν ₂ satisfying the formulas (E), (F) and (G), wherein 1.45 ≦ n ₁ ≦ 1.65 (A) ν ₁ ≧ 195-100n ₁ (B) 1 nm ≦ d _i ≦ 200 nm (C) 1.50 ≦ n _i ≦ 4.00 (D) 1.45 <n ₂ ≦ 1.80 (E) ν ₂ ≧ 200-100n ₂ (F) n ₂ ≧ n ₁ +0.01 (G) 2. The thermoplastic material composition according to claim 1, wherein the thermoplastic resin is a melt-moldable thermoplastic resin, and the thermoplastic material composition is a melt-moldable thermoplastic material composition. 3. A thermoplastic resin comprising an acrylic resin, a cycloolefin resin, a polycarbonate resin having a cycloaliphatic chain, a polyester resin having a cycloaliphatic chain, a polyether resin having a cycloaliphatic chain, or a cycloaliphatic chain. The thermoplastic material composition according to claim 1 or 2, which is a polyamide resin or a polyimide resin having a cyclic aliphatic chain. 4. The thermoplastic material composition according to claim 1, which contains at least one kind of inorganic fine particles selected from oxide fine particles, sulfide fine particles, selenide fine particles, and telluride fine particles. 5. The inorganic fine particles according to claim 4, wherein the oxide fine particles include titanium oxide fine particles and / or zinc oxide. 6. The inorganic fine particles according to claim 4, wherein the sulfide fine particles include zinc sulfide fine particles. 7. An optical component comprising the thermoplastic material composition according to any one of claims 1 to 4. 8. The optical component according to claim 7, wherein the optical component is a lens. 9. The lens is a spectacle lens, a lens for optical equipment, a lens for optoelectronics, a lens for lasers, a lens for CD pickups, a lamp lens for automobiles or a lens for OHPs.
The listed lens. 10. The optical component according to claim 7, wherein the optical component is an optical fiber. 11. The optical component according to claim 7, wherein the optical component is an optical waveguide. 12. The optical component according to claim 7, wherein the optical component is an optical filter. 13. The optical component according to claim 7, wherein the optical component is an optical adhesive.