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WO2005009891A1 - Structure et procede de production d'une structure - Google Patents

Structure et procede de production d'une structure Download PDF

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Publication number
WO2005009891A1
WO2005009891A1 PCT/JP2004/010037 JP2004010037W WO2005009891A1 WO 2005009891 A1 WO2005009891 A1 WO 2005009891A1 JP 2004010037 W JP2004010037 W JP 2004010037W WO 2005009891 A1 WO2005009891 A1 WO 2005009891A1
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WO
WIPO (PCT)
Prior art keywords
resin
nanoparticles
substance
reaction
monomer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2004/010037
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English (en)
Japanese (ja)
Inventor
Xuan-Ming Duan
Hong-Bo Sun
Satoshi Kawata
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Japan Science and Technology Agency
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Japan Science and Technology Agency
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Publication date
Application filed by Japan Science and Technology Agency filed Critical Japan Science and Technology Agency
Priority to JP2005512001A priority Critical patent/JPWO2005009891A1/ja
Publication of WO2005009891A1 publication Critical patent/WO2005009891A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/123—Ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers

Definitions

  • the present invention relates to a structure and a method for manufacturing the structure, and more particularly, to a structure including a resin and nanoparticles dispersed in the resin, and a method for manufacturing the same.
  • Non-Patent Document 1 discloses, as a prior art, a method of manufacturing a structure containing titanium dioxide in a photocurable resin. This method uses a solution containing titanium (IV) ethoxide, methacrylic acid as a photocurable resin, ethylene glycol dimethacrylate, and 2,2-dimethoxy-12-phenylacetophenone as a polymerization initiator. Is cured by ultraviolet light (wavelength: 355 nm).
  • Patent Document 1 discloses a method for producing a structure containing a fluorescent dye in a photocurable resin.
  • a fluorescent dye is mixed with a photocurable resin, and the photocurable resin is photopolymerized and cured by two-photon absorption.
  • a method for manufacturing a micro'nano device using two-photon absorption is disclosed in Non-Patent Document 23, for example.
  • Non-Patent Document 1 Atsushi Shishido, Ivan B. Diviliansky, I. C. Khoo, Theresa S.
  • Non-patent literature 2 Satoshi Kawata, Hong-Bo Sun, Tomokazu Tanaka, Kenji Takada, Nature, Vol. 412, No. 6848, pp. 697-698 (Published August 16, 2001)
  • Non-Patent Document 3 EUROPEAN MATERIALS RESEARCH SOCIETY 2003 SPRING MEETING (June 10-13, 2003 Proceedings)
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-1599 (Publication date: January 8, 2003) [Problems to be solved by the invention]
  • Non-Patent Document 1 it is difficult to mix titanium (IV) ethoxide with a photocurable resin, and furthermore, the titanium dioxide contained in the photocurable resin aggregates. Problem. Further, according to this method, the particle diameter of titanium dioxide contained in the photocurable resin can be reduced to only about 1 zm. In addition, the titanium (IV) ethoxide used in this method readily reacts with water vapor in the air. For this reason, the method disclosed in Non-Patent Document 1 has a problem that it must be performed in an atmosphere of an inert gas such as nitrogen or argon.
  • an inert gas such as nitrogen or argon.
  • Patent Document 1 is a method in which a fluorescent dye itself is mixed with a photocurable resin, so that the function of the fluorescent dye is affected by the relationship with the ultraviolet light that polymerizes the photocurable resin. There is a problem that S is restricted.
  • Non-Patent Document 2 discloses a method of including particles in a photocurable resin, and discloses any method.
  • the present invention has been made in view of the above-described conventional problems, and has as its object to disperse fine particles in a resin without restricting the function of the fine particles, and to manufacture the resin by this method.
  • Another object of the present invention is to provide a structure made of a resin containing nanoparticles, and a micro / nano device using the structure. Disclosure of the invention
  • a method for producing a structure of the present invention is a method for producing a structure comprising a resin and nanoparticles dispersed in the resin, comprising: The precursors of the nanoparticles are mixed with the monomer and Z or oligomer, and the monomers and / or oligomers are cured by a two-photon photopolymerization method. It is characterized by producing nanoparticles.
  • the substance may include an ion or the ion. It is characterized by using a compound.
  • nanoparticles are fine particles produced by the method of the present invention. According to the method of the present invention, nanoparticles having an average particle diameter of less than 1 zm are easily produced. For example, those having an average particle diameter of 500 nm or less, 300 nm or less, and 100 nm or less can be easily produced. Further, the term “substance that is a precursor of nanoparticles” refers to a substance capable of producing nanoparticles, such as an ion and a compound containing the ion.
  • the “two-photon photopolymerization method” means photopolymerization in which polymerization is initiated by two-photon absorption.
  • two-photon absorption is a kind of third-order nonlinear optical effect, and is a process in which molecules that simultaneously absorb two photons are excited. In two-photon absorption, two photons are excited, so the energy per photon is half that of normal one-photon absorption.
  • the frequency is half of one-photon absorption
  • the wavelength is twice that of one-photon absorption.
  • the probability of one-photon absorption is usually proportional to the intensity of incident light, while that of two-photon absorption is proportional to the square of the intensity of incident light. Therefore, according to two-photon absorption, molecules in a spatially minute region can be excited.
  • the wavelength used is twice that of the one-photon absorption, and the molecules are excited at a long wavelength. Therefore, (1) the light transmittance to the substance is improved, and It has the advantage that molecules at deep positions can be excited. (2) The molecules excited and polymerized by photons are less susceptible to light scattering and refraction in the sample.
  • a fine structure made of a resin can be obtained by curing a monomer and / or an oligomer as a raw material of the resin by a two-photon photopolymerization method. Further, according to this, the substance serving as the precursor of the nanoparticle can be held in the fine structure made of the resin. By using the substance held in the fine structure of the resin as a reactant and performing a chemical reaction to generate nanoparticles, a nanoparticle with an extremely small particle size is generated in the fine structure of the resin. Can be done.
  • the substance to be a precursor of the nanoparticle which is held by the resin, is controlled.
  • the distribution can be manipulated freely in two and / or three dimensions. That is, before Since the precursor can be arranged at a desired position in the resin, the precursor material of the nanoparticle has a structure in which the substance is regularly arranged in a plane and a structure in which the substance is regularly arranged in a three-dimensional manner. Alternatively, a structure in which a two-dimensional arrangement and a three-dimensional arrangement are combined can be easily manufactured.
  • the monomer and Z or the oligomer as the raw material of the resin are mixed with the substance as the precursor of the nanoparticle rather than mixing the nanoparticle itself, and the two-photon light is obtained.
  • Nanoparticles are generated after the resin is formed by polymerizing the raw materials by the polymerization method.
  • the function of the nanoparticles is not limited by the condition that they are mixed with the monomer and / or the oligomer.
  • nanoparticles can be dispersed in the fine structure of the resin. Therefore, it is possible to manufacture a resin structure in which nanoparticles having a very small particle diameter are dispersed. In addition, in such a structure, the function provided by the nanoparticles is sufficiently exhibited. The ability to efficiently disperse nanoparticles in a resin with high viscosity can be achieved.
  • the chemical reaction includes an oxidation reaction, a reduction reaction, a hydroxylation reaction, a dehydration reaction, a sulfidation reaction, and a redox reaction. It is characterized by being at least one kind of chemical reaction selected from:
  • nanoparticles can be generated by a simple operation.
  • the structure of the present invention is characterized by comprising a resin and nanoparticles dispersed in the resin and having an average particle diameter of 300 nm or less.
  • the optical properties of the resin in which the nanoparticles are dispersed can be arbitrarily adjusted by controlling the distribution of the nanoparticles having an average particle diameter of 300 nm or less dispersed in the resin. Therefore, it is possible to provide a structure having suitable optical properties according to the purpose and application. [0021]
  • the resin is a photocurable resin.
  • the mechanical properties of the structure can be improved. That is, according to the photocurable resin, a high-strength structure can be formed by curing the resin by irradiating light. Therefore, the mechanical properties of the structure can be improved by using the photocurable resin. Can be.
  • the nanoparticles are made of at least one selected from metals, semiconductors, and oxides.
  • nanoparticles of metals, semiconductors, and oxides have various functions, such as conductivity and luminescent properties, and have various functions by dispersing them in resin. It can be a structure.
  • the structure of the present invention has a distance force of 10 / m or less between two furthest points on the outer shape of a cross section cut in a direction perpendicular to the direction of extension of the fine particle-containing portion including the nanoparticle. Configuration.
  • a photonic crystal can be formed from the structure according to the present invention.
  • the photonic crystal of the present invention comprises the above-described structure, and is characterized in that the lattice constant is 20 ⁇ m or less.
  • a micro'nano device includes an optical waveguide, an optical switch, or an optical integrated circuit constituted by the above structure.
  • the structure and the photonic crystal manufactured by the manufacturing method of the present invention can be used as a micro'nano device having a new function.
  • Micro-nano devices are manufactured by “nano processing” that combines “micro-machining”, a micro-processing technology, and “nano-machining”, which forms an ultra-fine structure at the atomic and molecular level. Can the manufacturing method produce new structures and photonic crystals? By using these, micro-nano devices with new functions can be realized.
  • FIG. 1 (a) is a view schematically showing a structure that is effective in the present embodiment, and a hatched portion is a fine particle containing portion containing nanoparticles.
  • FIG. 1 (b) is a view schematically showing a structure acting on the present embodiment, which is a cross-sectional view taken along an arrow when cut in a direction perpendicular to a direction in which a resin portion containing fine particles extends. Is shown.
  • FIG. 2 is an absorbance curve showing the absorbance of titanium (IV) atalylate when the mixing ratio of titanium (IV) ethoxide and acrylic acid is changed.
  • FIG. 3 is an absorbance curve showing the absorbance of a titanium (IV) -containing resin when the ratio of titanium (IV) atalylate in the titanium (IV) -containing resin is changed.
  • FIG. 4 is a view showing a relationship between laser irradiation time and resin size by two-photon photopolymerization in Examples.
  • FIG. 5 is a view showing a relationship between laser irradiation time and resin size in Examples.
  • FIG. 6 is a view showing the state of a hydrated titanium (IV) -containing resin before and after heat treatment, observed with an electron microscope in Examples.
  • FIG. 7 (a) is a view showing the structure of the resin of FIG. 6 observed with an electron microscope.
  • FIG. 7 (b) is a view showing a state of a hydrated titanium (IV) -containing resin before heat treatment observed by the electron microscope of FIG.
  • FIG. 7 (c) is a view showing a state of the hydrated titanium (IV) -containing resin (structure of the example) after the heat treatment, observed with the electron microscope of FIG.
  • FIG. 8 is a graph showing the light transmittance of the monomer of the urethane acrylate-based photocurable resin SCR500, the resin containing titanium (IV) hydrate, and the structure of this example in the example of the present invention. is there.
  • the structure according to the present embodiment has a configuration including a resin and nanoparticles dispersed in the resin.
  • a method for manufacturing a structure according to the present invention will be described below.
  • a substance serving as a precursor of nanoparticle is mixed with a monomer and / or oligomer (hereinafter, appropriately referred to as "monomer”) serving as a raw material of a resin.
  • the substance that is a precursor of the nanoparticle is, as described above, a substance that can generate a nanoparticle such as an ion or a compound containing the ion. If the nanoparticle to be used is titanium oxide (Ti ⁇ ), the precursor substance should be titanium
  • the type of the ions is not particularly limited, and depends on the type of the nanoparticles dispersed in the resin. May be set appropriately. Further, one kind of the above-mentioned ions may be used, or two or more kinds may be used as needed.
  • ions themselves or compounds containing the ions can be used as the precursor of the nanoparticle, but these can be mixed with monomers and the like. is there.
  • the compound include a metal complex such as titanium ethoxide (Ti (OCHCH)); a metal salt such as chloroauric acid; or cadmium oxide (CdO).
  • the above-mentioned monomer and the like are not particularly limited as long as they are a raw material of a resin and start photopolymerization by two-photon absorption.
  • the degree of polymerization of the above oligomer is not particularly limited as long as it is about 2-20.
  • the monomer or the like it is preferable to use, as the monomer or the like, one that becomes a photocurable resin by being cured by irradiation with ultraviolet light.
  • Thermosetting resin cures monomer etc. Since the volumetric shrinkage and the mechanical strength at the time of the formation are small, the mechanical properties of the structure can be improved.
  • methacrylic acid C
  • monomers such as phthalate, styrene and epoxy monomers and z or their oligomers.
  • monomers such as phthalate, styrene and epoxy monomers and z or their oligomers.
  • one type of these monomers and the like may be used, or two or more types may be used as necessary.
  • the mixing ratio of the substance serving as the precursor of the nanoparticle to the monomer is preferably in the range of 0.1% by weight to 60% by weight. More preferably, it is in the range of 1% by weight to 20% by weight.
  • the mixing ratio between the precursor substance and the monomer or the like is equal to or more than the lower limit of the preferable range, the amount of the nanoparticles dispersed in the resin becomes too small, and the properties of the nanoparticles are utilized. It can be prevented from becoming a structure.
  • the mixing ratio of the precursor substance and the monomer or the like is set to the upper limit of the above-mentioned preferable range or less, the amount of the nano-particles contained in the resin is too large, and thus the nano-particles are used. It is possible to control that the optical properties of the structure cannot be controlled.
  • titanium ion (Ti 3+ (IV)) When titanium ion (Ti 3+ (IV)) is used as the precursor substance, the ratio of titanium ion to monomer (titanium ion / monomer, etc.) is 1% by weight or more and 15% by weight or less. It is more preferable to be within the range of 2% by weight or more and 10% by weight or less.
  • the mixing ratio (gold ion / monomer, etc.) of the gold ion and the above-mentioned monomer or the like is 1% by weight or more. It is more preferable to be within the range of 5% by weight or less, more preferably within the range of 5% by weight or more and 20% by weight or less.
  • the force Domiu Ion and mixing ratio of the monomers are 1 weight 0/0 or more It is more preferable that the content be in the range of 10% by weight or less, and it is further preferable that the content be 0.5% by weight or more and 5% by weight or less.
  • the monomer and the like are cured by a two-photon photopolymerization method. In this embodiment mode, the monomer or the like is irradiated with laser light to cause the monomer or the like to perform two-photon absorption. Then, two-photon photopolymerization is initiated using a polymerization initiator.
  • the type of the polymerization initiator is not particularly limited, and may be appropriately set as needed.
  • the output of the laser beam (energy of the laser beam) may be in the range of 0.1 lmW or more and 10 OmW or less.
  • the output is preferably in the range of lmW to 200 mW, more preferably in the range of 3 mW to 50 mW.
  • the output of the laser beam is equal to or more than the lower limit of the above preferable range, photopolymerization can be suitably performed.
  • the output of the laser beam is set to be equal to or less than the upper limit of the preferable range, the monomer and the like can be prevented from being denatured by the heat of the laser beam. Upon irradiation with the laser light, the monomer or the like that has absorbed two photons undergoes photopolymerization to become a resin.
  • the production method of the present embodiment since a monomer or the like is cured by a two-photon photopolymerization method, a fine structural resin can be obtained. As a result, the precursor of the nanoparticle is held in the fine resin.
  • the distribution of the precursor substance held in the resin can be two-dimensionally and / or three-dimensionally. It can be operated freely.
  • an arbitrary structure made of a resin can be produced in two-dimensional and / or three-dimensional directions, so that the distribution of the precursor substance contained in the resin can be freely determined. Can be operated.
  • a chemical reaction using the substance as a reactant is performed to generate the nanoparticle in the resin.
  • the above-mentioned chemical reaction is not particularly limited as long as it is a reaction for generating nanoparticles from a substance that is a precursor of the nanoparticles, and examples thereof include an oxidation reaction; a photoreduction reaction, a chemical reduction reaction, and the like. Reduction reaction; hydroxylation reaction; dehydration reaction by heating or the like; sulfidation reaction, and oxidation-reduction reaction.
  • nanoparticles can be generated by, for example, a sulfidation reaction.
  • the sulfurization reaction when the precursor material is Cd 2+ is shown by the following formula (1).
  • nanoparticles may be generated from cadmium ions by an oxidation-reduction reaction represented by the following formula (2).
  • different types of nanoparticles can be generated from a substance that is a precursor of the same type of nanoparticles by performing different chemical reactions.
  • the precursor substance is a titanium ion (Ti 3+ (IV))
  • the precursor substance that is, the resin holding the titanium ion
  • the precursor substance is subjected to the two-photon photopolymerization method. Simply by leaving it in the air, the titanium ions react with the water vapor (H ⁇ ) in the air,
  • Nanoparticles composed of titanium dioxide (TiO 2) are produced.
  • a substance that is a precursor of the nanoparticle is not mixed with a monomer or the like that is a material of the resin, but is mixed with a monomer or the like that is a material of the resin. Since the nanoparticles are formed after the resin is formed by the two-photon photopolymerization method, the function of the nanoparticles is not limited. Therefore, it is possible to manufacture a structure in which the function of the nanoparticles is sufficiently exhibited.
  • the substance serving as the precursor of the nanoparticle can be uniformly mixed in the monomer or the like, the precursor that is related to the viscosity of the resin produced by polymerization of the monomer or the like can be used.
  • the body can be evenly dispersed. Therefore, it is possible to efficiently disperse the nanoparticles in a resin with high viscosity.
  • the structure obtained by the method according to the present embodiment is a structure in which nanoparticles are dispersed in a fine resin.
  • the average particle diameter of the nanoparticles can be reduced to 300 nm or less.
  • the average particle diameter of the nanoparticles is set to 100 nm or less. It is more preferable that the thickness be 50 nm or less. As the average particle diameter of the nanoparticles becomes smaller, the optical properties of the structure can be more suitably controlled using the nanoparticles.
  • a precursor of the nanoparticle is formed by the above-described chemical reaction such that the resin contains a substance such as a metal, a semiconductor, an oxide, or a pigment. It is preferred to select the type of substance. If the structure contains one or more types of substances composed of metals, semiconductors, oxides, and pigments as nanoparticles, the structure having various functions can be created by utilizing the properties of the nanoparticles. Can be provided. For example, a nanoparticle made of cadmium sulfide (CdS) can provide a structure having light emission characteristics.
  • CdS cadmium sulfide
  • the space region including the nanoparticles is referred to as a “particle-containing portion”.
  • 1 (a) and 1 (b) schematically show a structure according to the present invention.
  • a hatched portion is a fine particle-containing portion.
  • Fig. 1 (b) is a cross-sectional view taken along the arrow (A-A 'direction) perpendicular to the direction of elongation of the fine particle-containing portion (the direction indicated by arrow D in Fig. 1 (a)).
  • the structure according to the present embodiment has a distance between the two furthest points on the outer shape of the cross section cut in a direction perpendicular to the direction of extension of the fine particle-containing portion, that is, the point shown in FIG.
  • the distance between B and B 'can be less than 500nm.
  • the distance between B and B 'can be set to 200 nm or less, or 10 ⁇ or less.
  • the “distance between the two furthest points on the outer shape” is, for example, the diameter of a circle if the cross section is circular, or the major axis of an ellipse if the cross section is elliptical.
  • the period of the nanoparticles contained in the particle-containing portion can be set to about the wavelength of light.
  • Photonic crystals with a lattice constant of 20 xm or less and 750 nm or less can be constructed.
  • the structure according to the present invention can be obtained.
  • Acrylic acid represented by and titanium (IV) ethoxide hereinafter referred to as “TE”
  • TE titanium ethoxide
  • Fig. 2 shows the absorbance of titanium (IV) atalylate when the mixing ratio of TE and acrylic acid was changed. Note that the horizontal axis in FIG. 2; I indicates the wavelength of light incident on the titanium (IV) acrylate.
  • R represents a hydrocarbon group
  • the polymer After mixing the monomer of the urethane acrylate-based photocurable resin SCR500 (Nippon Synthetic Rubber Co., Ltd.) and the polymerization initiator represented by the formula, the polymer is irradiated with laser light and subjected to two-photon photopolymerization.
  • SCR500 Natural Rubber Co., Ltd.
  • FIG. 3 shows an absorbance curve showing the absorbance of the titanium (IV) -containing resin when the ratio of the titanium (IV) atalylate in the titanium (IV) -containing resin was changed.
  • FIG. 4 shows the result of examining the relationship between the time (1 / second (s)) and the size of the resin obtained by the laser irradiation time. From the figure, it can be seen that the longer the laser irradiation time, the larger the size of the obtained resin.
  • Fig. 5 shows the laser irradiation time (1 / sec (s)) and the size of the resin cured by the irradiation when the laser light output was set to 300mW, 400mW, and 500mW (this is referred to as " Point size ”). The figure shows that the longer the laser irradiation time, the larger the size of the resin obtained by the irradiation.
  • a hydrated titanium (IV) -containing resin represented by the following formula was obtained.
  • FIG. 6 shows the state of the hydrated titanium (IV) -containing resin before the heat treatment (left side in the figure) and after the heat treatment (right side in the figure) observed by an electron microscope.
  • FIG. 7 (a) shows the resin of FIG. 6 observed with an electron microscope. As shown in the figure, the ⁇ 100> plane of the structure had an 8 ⁇ 8 ⁇ 2 structure, and the lattice constant at that time was 2.5 ⁇ ⁇ .
  • Fig. 7 (b) shows the state of the hydrated titanium (IV) -containing resin before the above-mentioned heat treatment observed by an electron microscope
  • Fig. 7 (c) shows the hydrated titanium hydrate after the above heat treatment.
  • (IV) Containing resin that is, one example of the structure of the present invention
  • the hydrated titanium (IV) -containing resin before the heat treatment has a sphere structure with a diameter of 580 nm as shown by the circle in Fig. 7 (b) and a length between the spheres in the stretching direction. Is a 500nm rod (indicated by a square in the figure) Two three-dimensional structures were formed.
  • FIG. 8 shows the results of examining the light transmittance of the urethane acrylate-based photocurable resin SCR500 monomer, the hydrated titanium (IV) -containing resin, and the structure of this example.
  • the ⁇ base line '' is the background
  • the ⁇ resin '' is the transmittance of the urethane acrylate-based photocurable resin SCR500 monomer
  • the ⁇ resin + Ti 4+ + before heat treatment '' is titanium (IV) hydrate.
  • the transmittance of the contained resin, “resin + Ti 4 ++ after heat treatment” indicates the transmittance of the structure. From the results shown in FIG. 8, it was found that the band gap of the structure obtained in this example transits to a higher wavenumber region as compared with the hydrated titanium (IV) -containing resin before the heat treatment.
  • the structure and the method of manufacturing the same according to the present invention control the dispersion of the nanoparticle in the resin and the resin.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

L'invention concerne une structure composée d'une résine et de nanoparticules dispersées dans la résine ainsi qu'un procédé de production d'une telle structure. Une substance constituant le précurseur des nanoparticules est mélangée dans un monomère et/ou un oligomère en tant que matière première de la résine, le monomère et/ou l'oligomère est polymérisé dans la résine par une photopolymérisation biphotonique. Ensuite les nanoparticules sont formées par une réaction chimique telle qu'une oxydation, une réduction, une hydroxylation, une déshydratation, une sulfuration ou une oxydation-réduction à l'aide de la substance précitée en tant que réactif.
PCT/JP2004/010037 2003-07-15 2004-07-14 Structure et procede de production d'une structure Ceased WO2005009891A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035248A1 (fr) * 1997-02-11 1998-08-13 Massachusetts Institute Of Technology Matieres polymeres a largeur de bande interdite photonique
JP2002241509A (ja) * 2001-02-22 2002-08-28 Mitsubishi Chemicals Corp 超微粒子ドメインを含有する面状樹脂成形体
JP2003001599A (ja) * 2001-06-25 2003-01-08 Japan Science & Technology Corp 三次元微小構造物の製造方法及びその装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035248A1 (fr) * 1997-02-11 1998-08-13 Massachusetts Institute Of Technology Matieres polymeres a largeur de bande interdite photonique
JP2002241509A (ja) * 2001-02-22 2002-08-28 Mitsubishi Chemicals Corp 超微粒子ドメインを含有する面状樹脂成形体
JP2003001599A (ja) * 2001-06-25 2003-01-08 Japan Science & Technology Corp 三次元微小構造物の製造方法及びその装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DAN, N. ET AL.: "Nikoshi Chogo ni yoru Kinzoku Sankabutsu Nano Biryushi o Fukkumu Polymer 3D Kozo no Sakusen", NANO GAKKAI SORITSU TAIKAI KOEN YOKOSHU, 29 May 2003 (2003-05-29), pages 130, XP002985641 *

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