WO2002093249A1 - Materiau optique non lineaire contenant un polymere fluore - Google Patents
Materiau optique non lineaire contenant un polymere fluore Download PDFInfo
- Publication number
- WO2002093249A1 WO2002093249A1 PCT/JP2002/004729 JP0204729W WO02093249A1 WO 2002093249 A1 WO2002093249 A1 WO 2002093249A1 JP 0204729 W JP0204729 W JP 0204729W WO 02093249 A1 WO02093249 A1 WO 02093249A1
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- WO
- WIPO (PCT)
- Prior art keywords
- fluorine
- structural unit
- nonlinear optical
- carbon
- formula
- Prior art date
Links
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- GFUIDHWFLMPAGY-UHFFFAOYSA-N ethyl 2-hydroxy-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)O GFUIDHWFLMPAGY-UHFFFAOYSA-N 0.000 description 1
- KWWOQRSLYPHAMK-UHFFFAOYSA-N ethyl 2-hydroxybutanoate Chemical compound CCOC(=O)C(O)CC KWWOQRSLYPHAMK-UHFFFAOYSA-N 0.000 description 1
- IJUHLFUALMUWOM-UHFFFAOYSA-N ethyl 3-methoxypropanoate Chemical compound CCOC(=O)CCOC IJUHLFUALMUWOM-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 229940117360 ethyl pyruvate Drugs 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- BDJSOPWXYLFTNW-UHFFFAOYSA-N methyl 3-methoxypropanoate Chemical compound COCCC(=O)OC BDJSOPWXYLFTNW-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical group 0.000 description 1
- 229940057867 methyl lactate Drugs 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 230000004660 morphological change Effects 0.000 description 1
- NJYYBTRBCMPYCJ-UHFFFAOYSA-N n,2-dimethyl-4-nitroaniline Chemical compound CNC1=CC=C([N+]([O-])=O)C=C1C NJYYBTRBCMPYCJ-UHFFFAOYSA-N 0.000 description 1
- QJAIOCKFIORVFU-UHFFFAOYSA-N n,n-dimethyl-4-nitroaniline Chemical compound CN(C)C1=CC=C([N+]([O-])=O)C=C1 QJAIOCKFIORVFU-UHFFFAOYSA-N 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- HZDALNKFLBEJKF-UHFFFAOYSA-N non-8-enamide Chemical compound NC(=O)CCCCCCC=C HZDALNKFLBEJKF-UHFFFAOYSA-N 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- FYJQJMIEZVMYSD-UHFFFAOYSA-N perfluoro-2-butyltetrahydrofuran Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC(F)(F)C(F)(F)C1(F)F FYJQJMIEZVMYSD-UHFFFAOYSA-N 0.000 description 1
- IMACFCSSMIZSPP-UHFFFAOYSA-N phenacyl chloride Chemical compound ClCC(=O)C1=CC=CC=C1 IMACFCSSMIZSPP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- LYXOWKPVTCPORE-UHFFFAOYSA-N phenyl-(4-phenylphenyl)methanone Chemical compound C=1C=C(C=2C=CC=CC=2)C=CC=1C(=O)C1=CC=CC=C1 LYXOWKPVTCPORE-UHFFFAOYSA-N 0.000 description 1
- 125000001639 phenylmethylene group Chemical group [H]C(=*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 125000002943 quinolinyl group Chemical class N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000003156 secondary amide group Chemical group 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical group SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M trans-cinnamate Chemical compound [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
- PIAOLBVUVDXHHL-VOTSOKGWSA-N β-nitrostyrene Chemical compound [O-][N+](=O)\C=C\C1=CC=CC=C1 PIAOLBVUVDXHHL-VOTSOKGWSA-N 0.000 description 1
Classifications
-
- 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
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/355—Non-linear optics characterised by the materials used
- G02F1/361—Organic materials
- G02F1/3615—Organic materials containing polymers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/355—Non-linear optics characterised by the materials used
- G02F1/361—Organic materials
- G02F1/3615—Organic materials containing polymers
- G02F1/3616—Organic materials containing polymers having the non-linear optical group in the main chain
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/355—Non-linear optics characterised by the materials used
- G02F1/361—Organic materials
- G02F1/3615—Organic materials containing polymers
- G02F1/3617—Organic materials containing polymers having the non-linear optical group in a side chain
Definitions
- the present invention relates to a fluororesin composition
- a fluororesin composition comprising a fluorine-containing prepolymer having a carbon-carbon double bond in a molecular chain, a fluorine-containing nonlinear optical material obtained by curing the composition, and a photoconductive material comprising the fluorine-containing nonlinear optical material. It relates to a waveguide element. Background art
- the non-linear optical material of the present invention is a material that exhibits a non-linear optical effect when used for a functional optical element or optical component.
- the nonlinear optical effect referred to here is the optical effect that results when nonlinear polarization cannot be ignored in the polarization of atoms and molecules induced by an external strong electric field.
- the Pockels effect, parametric oscillation, and second harmonic generation (SHG) are the second-order nonlinear optical effects
- the force-effect, electrostatic induction SHG, and the third harmonic generation are the third-order nonlinear optical effects.
- THG the third-order nonlinear optical effects
- the second-order nonlinear optical effect is used for wavelength conversion (SHG) elements, electro-optic modulators, etc.
- the third-order nonlinear optical effect is used for wavelength conversion (THG) elements, high-speed light Application to optical switching, etc. is possible.
- the nonlinear optical material conventionally, that is known inorganic ferroelectric material such as potassium dihydrogen phosphate reduction (KD P) or lithium niobate (L i Nb_ ⁇ 3).
- KD P potassium dihydrogen phosphate reduction
- Li Nb_ ⁇ 3 lithium niobate
- KD P potassium dihydrogen phosphate reduction
- Li Nb_ ⁇ 3 lithium niobate
- MNA 2-methyl-4-212 troaniline
- organic nonlinear optical materials can be expected to develop applications as new optical materials in that they can expect nonlinear optical constants larger than inorganic ferroelectrics, fast nonlinear optical response, high breakdown threshold, etc. It has the advantage of having a variety of devices, and is attracting attention as a key material in the future optoelectronics field.
- MNA 1- (4-nitrophenyl) _3,5-dimethylpyrazole (DMNP), (2,2_dicyanvinyl) anisole (DIVA) and 4'-nitrobenzylidene-1-3—
- DMNP 2,2_dicyanvinyl) anisole
- DIVA (2,2_dicyanvinyl) anisole
- MNBA acetamino-4-methoxyaniline
- Such a polymer composition generally has no orientation, and cannot be used as it is as a material for an optical switch or a modulator using the electro-optical effect.
- a DC electric field is applied to a polymer material without orientation while heating.
- a method of exhibiting an electro-optical effect by poling that is, by performing poling.
- the material used has a large nonlinear optical constant and has excellent light propagation characteristics (transparency).
- the wavelength of the light source when using these optical waveguides is in the 1.3 m or 1.5 m band, the carbon-hydrogen and oxygen-hydrogen bonds of the organic material have absorption in this wavelength region.
- the light transmittance was reduced and the nonlinear optical effect was reduced. Therefore, conventionally, such hydrogen atoms have been studied for replacement with deuterium (D) or for replacement with fluorine.
- the decrease in transparency can be improved to some extent, but in the case of deuterium substitution, the water absorption of the material does not change, and absorption in the near infrared region increases due to moisture absorption, and transparency deteriorates. In the case of fluorine substitution, no increase in the glass transition temperature was observed, and the above problem (the problem of the loss of orientation) was not solved.
- an object of the present invention is to provide a nonlinear optical material exhibiting a large second-order or higher nonlinear optical effect and having a small light propagation loss, and a nonlinear optical waveguide element using the same.
- the present inventors have conducted intensive studies to achieve the object, and as a result, obtained an amorphous fluorinated prepolymer having a carbon-carbon double bond at the polymer side chain or at the terminal of the polymer main chain.
- the present inventors have found a nonlinear optical material that combines these with an organic compound exhibiting a nonlinear optical effect, and have completed the present invention.
- a first aspect of the present invention is a fluorine-containing prepolymer which is an amorphous polymer having a fluorine content of 25% by weight or more and has an ethylenic carbon-carbon double bond at a polymer side chain or at a polymer main chain terminal.
- the present invention relates to a fluororesin composition used for a nonlinear optical material comprising an organic compound exhibiting a first-order (I) and second- or higher-order nonlinear optical effect.
- This fluorinated prepolymer (I) has a wavelength range of 120 to 130 nm and / or a wavelength range of 150 to 150 nm and / or 600 to 900 nm. More preferred is a fluorinated prepolymer having a maximum absorbance coefficient of 1 cm- 1 or less in the above wavelength range.
- Particularly preferred fluorinated prepolymers (I) include those of the formula (1):
- X 1 and X 2 are the same or different, H or F;
- X 3 is H, F, CH 3 or CF 3 ;
- X 4 and X 5 are the same or different, H, F or CF 3 ;
- R f represents a fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-containing alkyl group having 2 to 100 carbon atoms having an ether bond, wherein Y 1 (Y 1 is a carbon atom having an ethylenic carbon-carbon double bond at a terminal);
- a is an integer of 0 to 3;
- b and c are the same or different, and are fluorine-containing represented by 0 or 1)
- the structural unit A derived from the ethylenic monomer and the structural unit A are structural units derived from a monomer copolymerizable with the fluorine-containing eth
- a second aspect of the present invention relates to a nonlinear optical material obtained by curing the above-mentioned fluororesin composition.
- a third aspect of the present invention is that the formula (2):
- a 2 is a monovalent organic group in which at least one P (P is a site composed of an organic group exhibiting a nonlinear optical effect) is bonded to a fluorine-containing alkyl group having an ether bond of several to 100; An integer of 0 to 3; b 2 and c 2 are the same or different, and a structural unit derived from the fluorine-containing ethylenic monomer represented by 0 or 1), and a structural unit A 1 is represented by the formula ( ⁇ ′) Is a structural unit derived from a monomer copolymerizable with the fluorine-containing ethylenic monomer shown in the formula], wherein
- a fourth aspect of the present invention is that the formula (3):
- the structural unit ⁇ is a structural unit represented by the formula ( ⁇ ) according to claim 12, a structural unit M 'is a structural unit represented by the formula ( ⁇ ') according to claim 22, and a structural unit A 2 Is a structural unit derived from a monomer copolymerizable with the fluorine-containing ethylenic monomer represented by the formula (M) or ( ⁇ ′)].
- the structural unit ⁇ is 0.1 to 99 9 mol%
- structural unit A2 is 0 to 99.8 mol%, and it is made of a fluorine-containing polymer having a number average molecular weight of 500 to 1,000,000. It relates to a characteristic fluorine-containing nonlinear optical material.
- a fifth aspect of the present invention relates to an optical waveguide device comprising the second to fourth non-linear optical materials of the present invention.
- FIG. 1 is a schematic perspective view of a Mach-Zehnder interference optical device manufactured in Example 22. BEST MODE FOR CARRYING OUT THE INVENTION
- the polymer suitable as the fluorinated prepolymer (I) used in the present invention has the formula (1):
- X 1 and X 2 are the same or different, H or F;
- X 3 is H, F, CH 3 or CF 3 ;
- X 4 and X 5 are the same or different, H, F or CF 3 ;
- R f represents a fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-containing alkyl group having 2 to 100 carbon atoms having an ether bond, wherein Y 1 (Y 1 is a carbon atom having an ethylenic carbon-carbon double bond at a terminal);
- a is an integer of 0 to 3;
- b and c are the same or different, and are fluorine-containing represented by 0 or 1)
- the structural unit A derived from the ethylenic monomer and the structural unit A are structural units derived from a monomer copolymerizable with the fluorine-containing eth
- R f of the structural unit M at least one of Y 1 is preferably bonded to the terminal of R f.
- the structural unit M in the fluorinated prepolymer (I) used in the present invention is: Even the formula (Ml):
- the fluorine-containing prepolymer containing the structural unit M1 has particularly high near-infrared transparency, and is not limited to a homopolymer of the structural unit Ml, but
- R f represents a fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-containing alkyl group having an ether bond having 2 to 100 carbon atoms
- Y 1 (Y 1 is an ethylenic carbon-carbon double (Organic group having 1 to 3 monovalent organic groups having 2 to 10 carbon atoms having a bond) is a structural unit M2 derived from a fluorine-containing ethylenic monomer represented by the formula:
- This structural unit M2 is a structural unit of a fluorine-containing aryl ether having an ethylenic carbon-carbon double bond at the terminal, and not only can have high near-infrared transparency, but also has good polymerizability, especially homopolymerization. And other fluorine-containing ethylene It is preferable because of good copolymerizability with the system monomer.
- R f represents a fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-containing alkyl group having an ether bond having 2 to 100 carbon atoms
- Y 1 represents an ethylenic carbon-carbon double
- This structural unit M3 is a structural unit of a fluorine-containing vinyl ether having an ethylenic carbon-carbon double bond at the terminal, and can have high near-infrared transparency, and can have another fluorine-containing ethylene-based unit. It is preferable in that the copolymerizability with the monomer is good.
- Y 1 contained in the structural units M, Ml, M 2 and M 3 has, as described above, an ethylenic carbon-carbon double bond at its terminal. It is a monovalent organic group having 2 to 10 carbon atoms and having
- the carbon-carbon double bond in this formula ( 1 ) has the ability to cause a polycondensation reaction and the like, and can give a cured (crosslinked) body.
- a polycondensation reaction and the like can give a cured (crosslinked) body.
- a condensation reaction to give a cured (crosslinked) product for example, the polymerization reaction between fluorine-containing prepolymer (I) molecules or between fluorine-containing prepolymer (I) and a curing agent (crosslinking agent) added as necessary by contact with a radical cation.
- a condensation reaction to give a cured (crosslinked) product e.g., a condensation reaction to give a cured (crosslinked) product.
- the first of the preferred ⁇ 1 is
- Y 2 is an alkenyl group having 2 to 5 carbon atoms or a fluorine-containing alkenyl group having an ethylenic carbon-carbon double bond at a terminal; d and e are the same or different. Is different and is 0 or 1).
- Preferred Y 2 is
- preferable Y 2 include:
- _CH CH 2
- _CF CH 2
- one C CH 2
- one CF CF 2 , and the like.
- X 6 is H, F, CH 3 or CF 3 ; X 7 and X 8 are the same or different and H or F). It is preferable from the viewpoint of a high point, and is preferable in that a cured product can be easily obtained by light curing or the like.
- _ ⁇ CH CH 2
- _OCF CF 2
- the organic group Y 1 having a carbon-one-carbon double bond in the side chain described above may be introduced into the poly-mer main chain end.
- one R f — contained in the structural units M, M 1, M 2 and M 3 is a fluorinated alkylene group having 1 to 40 carbon atoms or an ether having 2 to 100 carbon atoms. It is a fluorine-containing alkylene group having a bond.
- the Rf group only needs to have a fluorine atom bonded to the carbon atom contained therein.
- a fluorine-containing alkylene group having a fluorine atom and a hydrogen atom or a chlorine atom bonded to a carbon atom, or a fluorine-containing alkylene group having an ether bond contains more fluorine atoms (higher fluorine content) And more preferably a perfluoroalkylene group or a perfluoroalkylene group having an ether bond.
- the fluorine content in the fluorinated prepolymer (I) is at least 25% by weight, preferably at least 40% by weight.
- the solubility in a solvent or the transparency may be reduced in the case of a fluorinated alkylene group, or in the case of a fluorinated alkylene group having an ether bond. Is not preferred because it may reduce the hardness and mechanical properties of the polymer itself and its cured product.
- the carbon number of the fluorinated alkylene group is preferably 1 to 20, more preferably 1 to 10.
- the fluorine-containing alkylene group having an ether bond has preferably 2 to 30, more preferably 2 to 20 carbon atoms.
- R f Preferred specific examples of R f include:
- the structural unit M constituting the fluorinated prepolymer (I) used in the present invention is preferably the structural unit M1, and the structural unit M1 is more preferably the structural unit M2 or the structural unit M3. Therefore, specific examples of the structural unit M2 and the structural unit M3 will be described below.
- Preferred specific examples of the monomer constituting the structural unit M2 include:
- CH 2 CFCF 2 OCF-Y 1
- CH 2 CFCF, ⁇ CFCH 2 — Y
- CH 2 CFCF 3 ⁇ 4 OCFCH 2 0 -Y 1
- CH 2 CFCF 2 0- (CFCF 2 0 CF-Y 1
- CH 2 CFCF 20 (CFCF 20- n CFCH 2 -Y 1 ,
- CH 2 CFCF 2 0 (CFCF 2 OhCFCH 2 OCH 2 CHCH 2 -Y 1 ,
- CH 2 CFCF 2 C CF 2 CF 2 ⁇ CF 2 — Y 1
- CH 2 CFCF 2 C CF 2 CF 20 0 n CF 2 CH 2 — Y 1
- CH 2 CFCF 2 0- (CF 2 CF 2 CF 2 O CF 2 CF 2 -Y 1
- CH 2 CFCF 2 C CF 2 CF 2 CF 2 ⁇ CF 2 CF 2 CH 2 — Y 1
- CH 2 CFCF 2 0- (CH 2 CF 2 CF 20 ) -R CH 2 CF 2 -Y 1 1
- CH 2 CFCF 2 0- ⁇ CH 2 CF 2 CF 2 O CH 2 CF 2 CH 2 -Y 1
- CH 2 CFCF 2 0- (CF 2 CF 2 Y 1 ,
- CH 2 CFCF 2 0 (CF 2 CF- n CH 2 -Y 1
- n an integer from 1 to 30
- R f R f 2 is a perfluoroalkyl group having 1 to 5 carbon atoms; n is an integer of 0 to 30),
- Preferred specific examples of the monomer constituting the structural unit M3 include:
- CF 2 CFOCF 2 CF 2 -Y 1
- CF 2 CF OC F 2 CF 2 CH 2 -Y 1
- CF 2 CFOCF 2 CF 2 CH 2 OCH 2 CHCH 2 -Y 1 ,
- CF 2 CFC CF 2 Y 1
- CF 2 CFO- (CF 2 -CH 2 -Y 1 ,
- CF 2 CFOCF 2 CF 2 OCF 2 CH 2 OCH 2 CHCH 2 -Y 1
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 -Y 1 ,
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 CH 2 — Y 1
- CF 2 CFO (CF 2 CFO ⁇ CF 2 ) ir CH 2 OCH 2 CHCH 2 OCCX-CH 2 ,
- R f 2 is a perfluoroalkyl group having 1 to 5 carbon atoms
- CF 2 CFCF 2 -0-R f -Y 1
- CF 2 CFCF 2 OR f -CH 2 CHCH 2 -Y
- CF 2 CF-R f -Y 1
- CF 2 CF-R f CH 2 CHCH 2 -Y
- CF. CFCF 2 OCF 2 CF—
- Y CF 2 CFCF 2 OCF 2 CFCH 2 — ⁇
- CF 2 CFCF 2 OCF 2 CFCH 2 OCH 2 CHCH 2 -Y 1 ,
- CF 2 CFCF 2 CH 2 OCH 2 CHCH 2 -Y 1 ,
- CH 2 CHOCH 2 CF 2 CF 2 -Y 1
- CH 2 CHOCH 2 CF 2 CF 2 CH 2 -Y 1 and the like.
- the structural unit A is an optional component, and is not particularly limited as long as it is a monomer copolymerizable with the structural unit M, Ml, M2 or M3. May be appropriately selected according to the intended use, required characteristics, and the like of the fluorinated prepolymer (I) and its cured product.
- Examples of the structural unit A include the following structural units.
- Structural unit derived from a fluorine-containing ethylenic monomer having a functional group This structural unit (2) is used to improve the near-infrared transparency of the fluorinated prepolymer (I) and its cured product, adhesion and solvent, particularly preferably in that it can impart solubility in general purpose solvents, preferred because its addition to Y 1 can impart functions such as crosslinking other than involved.
- the structural unit ⁇ of the preferred fluorine-containing ethylenic monomer having a functional group is represented by the following formula (4):
- I (4) f " ⁇ -pZ 1 (Wherein X 11 , X 12 and X 13 are the same or different H or F; X 14 is H, F, CF 3 ; h is an integer of 0 to 2; i and j are the same or different 0 or 1 ; R f 4 is a fluorine-containing alkylene group having ether bond or a fluorine-containing alkylene group of carbon number 2-1 0 0 40 carbon atoms; Z -OH, CH 2 ⁇ _H, - CO_ ⁇ _H, carboxylic acid derivatives , _ S_ ⁇ 3 H, sulfonic acid derivative, a structural unit represented by the functional groups) selected from the group consisting of epoxy group and Shiano group, among others,
- Z 1 is the same as described above, and a structural unit derived from a fluorine-containing ethylenic monomer is preferred.
- R f 4 and Z 1 are the same as defined above, can also be preferably exemplified, and more specifically,
- CF 2 CFOCF 2 CFOCF 2 CF 2 CH 2 -Z 1
- CF 2 CFO- (CF 2 - Z 1
- CF 2 CFO- (CF 2 - CH 2 -Z 1
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 -Z 1 ,
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 CH 2 -Z 1
- CF 2 CFCF 2 _0_R f _Z 1
- CF 2 CF-R f-Z 1
- CF 2 CFCF 2 ⁇ CF 2 CF—Z 1
- CF 2 CFCF 2 ⁇ CF 2 CF—CH 2 — Z 1
- CF 2 CFCF 2 — Z 1
- CF 2 CFCF 2 CH 2 -Z 1
- CH 2 CHCF 2 CF 2 CH 2 CH 2 -Z 1
- CH 2 CHCF 2 CF 2 — Z 1
- CH 2 CHCF 2 CF 2 CH 2 -Z 1
- CH 2 CHCF 2 CF 2 CF 2 — Z 1
- CH 2 CHCF 2 CF 2 CF 2 CF 2 CH 2 -Z 1
- CH 2 CH ⁇ — CH 2 CF 2 CF 2 — Z
- CH 2 CHOCH 2 CF 2 CF 2 CH 2 -Z 1
- the amount is preferably in a range that does not lower the near-infrared transparency.
- Structural unit derived from a fluorine-containing ethylenic monomer containing no functional group This structural unit (1) is capable of maintaining the near-infrared transparency of the fluorine-containing prepolymer (I) or a cured product thereof at a higher level. Further, it is preferable in that transparency can be increased. Further, by selecting the monomer, the mechanical properties and the glass transition temperature of the polymer can be adjusted, and particularly, the glass transition point can be increased by copolymerization with the structural unit M, which is preferable.
- the structural unit ⁇ of the fluorine-containing ethylenic monomer is represented by the formula (5): CX 15 X 16 — CX 17 ⁇ ⁇
- X 15 , X 16 and X 18 are the same or different H or F;
- X 17 is H, F or CF 3 ;
- hl, i 1 and j 1 are 0 or 1;
- Z 2 is H, F or C 1;
- R f 5 is preferably represented by a fluorine-containing alkylene group) containing an ether bond or a fluorine-containing alkylene group carbon number of 2 to 100 1 to 20 carbon atoms.
- CF 2 C
- CF 2 CF ⁇ (CF 2 ) n F
- CH 2 C (CF 3 ) 2
- CH 2 CHOCH 2- (CF 2 ⁇ Z 2 (Z 2 is the same as in the formula (5), n: 1 to 10),
- this structural unit (3) By introducing this structural unit (3), transparency can be increased, and near-infrared transparency can be further enhanced. Further, a fluorine-containing prepolymer (I) having a high glass transition temperature can be obtained, and the cured product can be obtained. It is preferable because higher hardness can be expected.
- X 19 , X 20 , X 23 , X 24 , X 25 and X 26 are the same or different H or F;
- X 21 and X 22 are the same or different H, F, C 1 or CF 3 ;
- R f 6 is a fluorinated alkylene group having 1 to 10 carbon atoms or a fluorinated alkylene group having an ether bond having 2 to 10 carbon atoms;
- a structural unit ⁇ ⁇ ⁇ derived from an ethylenic monomer containing no fluorine may be introduced as long as the near-infrared transparency is not deteriorated.
- the solubility in general-purpose solvents can be improved, and the compatibility with additives, for example, a photocatalyst and a curing agent added as needed can be improved.
- non-fluorinated ethylenic monomer examples include:
- CH 2 CHCH 2 C 1
- CH 2 CHCH 2 OH
- CH 2 CHCH 2 C OOH
- CH 2 CHCH 2 Br, etc.
- CH 2 CHCH 2 ⁇ R (R: hydrocarbon group having 1 to 20 carbon atoms),
- CH 2 CHCH 2 OCH 2 CHCH 2
- CH 2 CHCH 2 OCH 2 CHCH 2
- acrylic acid methacrylic acid
- acrylic esters methacrylic esters
- maleic anhydride maleic acid, maleic esters, and the like.
- An alicyclic monomer structural unit (2) may be introduced as a material, thereby increasing the glass transition temperature and the hardness. Specific examples of the alicyclic monomer ⁇ ,
- the combination and the composition ratio of the structural unit M (M1, M2, M3) and the structural unit A are such that the combination of the structural unit M and the structural unit A is amorphous.
- the intended use, physical properties (especially glass transition temperature, hardness, etc.), and functions (transparency, near infrared transparent) Can be selected in various ways depending on the nature.
- the fluorinated prepolymer (I) contains the structural unit M (Ml, M2, M3) as an essential component, and the structural unit M itself maintains high near-infrared transparency and maintains transparency.
- the fluorinated prepolymer (I) can maintain high near-infrared transparency even if it is a polymer containing a large number of structural units M, or extremely a polymer consisting only of structural units M (100 mol%). . Curing at the same time
- Cross-linking A cured product with high density can be obtained, and a coating excellent in high hardness, abrasion resistance, scratch resistance, and heat resistance can be obtained.
- the content ratio of the structural unit M is 0.1 mol based on all the monomers constituting the fluorinated prepolymer (I). % Or more, but in order to obtain a cured product with high hardness, excellent abrasion resistance and abrasion resistance by curing (crosslinking), and excellent in chemical resistance and solvent resistance, 2.0 mol% or more is required. It is preferably at least 5 mol%, more preferably at least 10 mol%.
- an optical waveguide device requiring the formation of a cured film having excellent heat resistance, transparency and low water absorption it is 10 mol% or more, preferably 20 mol% or more, and more preferably 50 mol%. It is preferable to contain the above.
- the curable fluorine-containing prepolymer (I) used in the present invention does not decrease in transparency even when the ratio of the structural unit M is increased (even when the number of cured sites is increased). Have favorable properties You.
- the curable fluorinated prepolymer (I) is required to have high transparency when used as a nonlinear optical material for an optical functional device used for optical communication, and the combination of the structural unit M and the structural unit A is not required. It is important to have a combination and composition that can be crystalline.
- amorphous means that in DSC analysis, when measured at a heating rate of 1 O Zmin, an endothermic pin due to melting is not substantially observed, or the heat of fusion is 1 JZg or less. Shows properties.
- the fluorine content of the curable fluorinated prepolymer (I) is preferably 25% by weight or more.
- the fluorine content When the fluorine content is low, the transparency in the near infrared is reduced. In addition, when the fluorine content is low, the water absorption is high, and it cannot be practically used as an optical material. For non-linear optical material applications, most preferably the fluorine content is at least 40% by weight.
- the maximum value of the extinction coefficient in the curable fluorine-containing Pureborima (I) used in the present invention certain communications band (1290 ⁇ 1320 nm and Z or 1530 ⁇ 1570 nm and / or 600 to 900 nm) is 1 cm one 1
- the following are preferred. Those exhibiting higher absorbance coefficients are not suitable as nonlinear optical materials used for optical communication.
- the molecular weight of the fluorinated prepolymer (I) can be selected, for example, from the range of 500 to 1,000,000 in terms of the number average molecular weight, but is preferably from 1000 to 500,000, particularly preferably from 2000 to 200,000.
- the number average molecular weight is selected from the range of 5,000 to 100,000.
- the fluorinated prepolymer (I) has the maximum absorbance coefficient of the fluorinated prepolymer (before curing) in the wavelength range of 1290 to 1320 nm, 1530 to 1570 nm, or 600 to 900 nm. It is preferably 1 cm- 1 or less, more preferably 0.5 cm- 1 or less, particularly preferably 0.1 cm- 1 or less. Further, the refractive index is preferably in the range of 1.3 to 1.7 in nd. This adjustment can be made by variously determining the type and content of the structural unit M and the type of the structural unit A used as necessary. These adjustments make it easier to select the cladding when forming the waveguide.
- the fluorine-containing prepolymer is preferably soluble in a general-purpose solvent.
- the fluorine-containing prepolymer is soluble in at least one of a ketone-based solvent, an acetate-based solvent, an alcohol-based solvent, an aromatic solvent, or the above-mentioned general-purpose solvent. Is preferably soluble in a mixed solvent containing at least one of the following.
- nonlinear substance an organic compound exhibiting a second-order or higher nonlinear optical effect
- nonlinear optical effect is an optical effect resulting from the non-negligible nonlinear polarization in the polarization of atoms and molecules induced by an external strong electric field.
- the Pockels effect, parametric oscillation, and second harmonic generation (SHG) are the second-order nonlinear optical effect
- the force effect, electrostatic induction SHG, and the third harmonic are the third-order nonlinear optical effect.
- TMG change in refractive index due to light intensity, etc.
- SHG wavelength conversion
- electro-optic modulators etc.
- TMG wavelength conversion
- TMG wavelength conversion
- the non-linear substance used in the present invention includes an organic substance having a chemical structure shown below.
- Monomethyl perea, sym-dimethyl perea, tetramethyl perea are preferred because of their high transparency in the visible region.
- These compounds are preferable because they have a characteristic of a small absorption edge and are compounds having a wide transparent wavelength region.
- R 1 represents a hydrogen atom, a heterocyclic group such as a cyano group or a phenyl group.
- R 3 and R 4 represent a hydrogen atom, a heterocyclic group such as a cyano group or a phenyl group, or an atom group constituting a ring formed by linking R 3 and R 4 .
- RR 3 and R 4 are not all hydrogen atoms.
- R 2 represents a hydrogen atom, an alkyl group, or an acyl group.
- a 1 , A 2 A 3 A 4 A 5 represents hydrogen or deuterium
- X represents hydrogen, deuterium, an alkali metal, or an alkaline earth metal
- n represents 1 or 2. These compounds are preferred because they are transparent over a wide wavelength range up to 250 nm.
- R 1 represents a linear or branched alkyl group having 1 to 5 carbon atoms
- R 2 represents an alkyl group having 10 20 carbon atoms.
- AA 2 , A 3 , A 4 , A 5 , BB 2 , B 3 , B 4 , B 5 are a hydrogen atom, a fluorine atom, a chlorine atom, an alkyl group, an alkoxy group, an amino group, an alkylamino group, and a nitro group , A cyano group, or a dicyanoethylene group. These compounds are preferable in that light absorption is in a short wavelength region and a transparent wavelength range is wide.
- R 1 is hydrogen, a methyl group or Asechiru group
- X an O-R 2 or - indicates N (-R 4) _R 3
- the R 2 is hydrogen or an alkyl group having 1 to 18 carbon atoms
- R 3 And R 4 represents hydrogen or an alkyl group having 1 to 18 carbon atoms.
- This compound is preferred in that it has a wide transparent wavelength range.
- Y represents —NR 3 — or —S—;
- RR 2 and R 3 represent a hydrogen atom, an alkyl group or an aryl group, which may be the same or different.
- Ar represents a phenyl group substituted with an electron donating group
- R represents an alkyl group having an asymmetric carbon atom
- This compound is preferable in that it has excellent blue transmittance.
- R 1 to R 7 represents an electron donating group.
- the remaining substituents represent a hydrogen atom or an alkyl group having 1 to 18 carbon atoms.
- This compound is also preferable in that it has excellent blue transmittance. (10) hydrazine derivative
- R 1 represents an electron-donating substituent or an electron-absorbing I-substituent
- X represents a CH or N atom
- R 1 represents a substituent selected from an amino group, an amide group, an alkyl group, a halogen atom, and a hydrogen atom
- R 2 represents an alkyl group or a hydrogen atom
- X represents a halogen element such as chlorine, bromine, fluorine and iodine.
- ⁇ 1 represents 0 SS e Te SO 2 or NR 1 .
- Z 2 represents N or CR 2.
- Y represents 0 S or NR 3.
- X indicates CR 4 R 5 NR 6 ⁇ or S.
- RR 1 , R 2 R 3 R 4 R 5 R 6 may be the same or different and represent an unsubstituted or substituted heterocyclic group, aromatic hydrocarbon group, alicyclic hydrocarbon group or H atom. Show. R 4 and R 5 may form a hydrocarbon ring or a heterocyclic ring.
- Ar represents a substituted or unsubstituted aromatic group, and n represents an integer of 0 or 1.
- X and Y are an electron-withdrawing group selected from one of N 2 , one CH, one COR 1 , one SC ⁇ R 1 or a halogen atom, or —R 1 , —NH 2 , —OR 2
- R 1 R 2 is a substituent selected from the group consisting of electron-donating groups selected from alkyl groups having 1 to 18 carbon atoms and the like, and may be the same or different.
- n represents an integer of 1 to 4
- m represents an integer of 1 to 3.
- Substituents Xi ⁇ X 4 is hydrogen or halogen
- X 5 is an alkoxy group or mercapto alkoxy group having 1 to 18 carbon atoms.
- the substituents X 6 to X 1Q are hydrogen, an amino group, a substituted amino group having 1 to 12 carbon atoms, a cyclic amino group, an alkyl group having 1 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, and 1 to 18 carbon atoms.
- One selected from a mercaptoalkoxy group, a cyano group, and a halogen and may be the same or different.
- R represents a CH 3 CH 3 SB r CN or N0 2.
- R represents ⁇ CH 3 NH 2 N ⁇ 2 CI or Br.
- Y is an ethylenedioxy group substituting at a position adjacent to Ar
- R is a hydrogen atom or a hydrocarbon group having 18 carbon atoms
- Ar is an aromatic group having 514 carbon atoms
- n is 01 or Represents 2.
- a compound containing a dioxy ring comprising the optically active amine salt of the carboxylic acid.
- Ar is an aromatic group having 514 carbon atoms
- De is a methylenedioxy group in which a dioxy group is substituted at a position adjacent to Ar
- He is a hydrogen atom of Ar or a carbon atom which may be substituted 1 8 alkyl groups, wherein two or more of Ar When hydrogens of the formula (1) are substituted with alkyl groups, those alkyl groups may be the same or different.
- n is 0 or an integer of 1 or 2.
- These optically active amines are composed of optically active ⁇ -amino acids, or optically active ⁇ -amino acids, or hydrocarbon ester groups having 1 to 20 carbon atoms or carboxy-substituted ⁇ -amino acids. It is a derivative of an optically active ⁇ _amino acid having a secondary or secondary amide group.
- These compounds are preferable because they exhibit a high third-order nonlinear optical effect and have a long lifetime against light and heat.
- R f is a perfluoroalkyl group represented by C n F 2n +1 ;
- R 1 , R 2 , and R 3 are each an optionally substituted aliphatic hydrocarbon group or an optionally substituted aliphatic hydrocarbon group;
- the hydrocarbon group, R 4 , R 5 , R 6 is a hydrogen atom or any substituent.
- R 1 and R 2 can be integrated to form a ring structure.
- These compounds are preferred in that they have high near-infrared transparency.
- R 1 , R 2 , R 3 , and R 4 represent hydrogen or an alkyl group having a simplest number of 1 to 3, and n is an integer of 0 to 3.
- n 0 or a positive integer.
- ⁇ 1 to! ⁇ 7 may be the same or different, and include a hydrogen atom, an aliphatic, alicyclic or aromatic group having 1 to 20 carbon atoms, an acyl group, an amino group, a cyano group, and a nitro group. , A azo group and a substituent selected from a halogen atom. (34) Phthalocyanine compound:
- These compounds are preferred in that they have a high third-order nonlinear optical effect.
- aniline derivatives, urea and enone derivatives, or compounds containing a hydroxyl group or an amide group are preferred.
- Derivatives of the above compounds, some or all of which are fluorine-substituted, are preferred from the viewpoint of compatibility, as long as the nonlinear optical effect is not lost.
- Such preferred compounds are, again, 2-methyl-14-nitroarinine ((MNA)), 4-212troaline, 2-ditroaline, 3-2-troaline, 2 _Methyl-4-nitroaniline, 2-methyl-412-N-methylaniline, 4_Nitro-N-cyanomethylaniline, urea, 4- [11- (2-methylol) pyrrolidinyl] 12-trobenzene, 4_ CN- (2-Hydroxyethyl) — N-ethylamino] —4 '—Nitroazobenzene (DR-1), 4-nitroanisole, 4-cyanoaniline, 2_ 6- (4-cal Poxyphenylamino) cyclohexa-2,4-genylidene] 1-3-ethyl-2,3-dihydroxybenzothiazole,
- the non-linear substance may be used alone or in combination of two or more of the above organic compounds.
- the preferred range of the amount of the nonlinear material used is 0.1 to 50 parts by weight, preferably 0.5 to 3 parts by weight, per 100 parts by weight of the curable fluorine-containing prepolymer (I). 0 parts by weight. If the amount of the nonlinear substance used is less than 0.1 part by weight, the electro-optical effect is reduced. On the other hand, if the content of the nonlinear substance is more than 50 parts by weight, problems such as difficulty in forming a thin film and opacity occur.
- the method for incorporating the non-linear substance ( ⁇ ⁇ ) into the curable fluorinated prepolymer (I) is not particularly limited. Either dissolve or disperse the nonlinear substance (II) in the curable fluorinated prepolymer (I), or
- the non-linear substance ( ⁇ ⁇ ) may be introduced into the curable fluorine-containing prepolymer (I) by a covalent bond.
- a curable fluorine-containing prepolymer is obtained by a known synthesis method such as a melt polymerization method or an anion polymerization method. The method of generating one (I),
- nonlinear substance (II) When a substance having a structural unit derived from a monomer is used and an aniline derivative such as MNA or MNBA is used as the nonlinear substance (II), an ionic bond is formed, and the dispersibility of the nonlinear substance (II) is improved. Preferred from the point.
- the structural unit A having the non-linear substance (II) include a structural unit derived from a fluorine-containing ethylenic monomer having the non-linear substance (II).
- R f 1G is a fluorine-containing alkyl group having 140 carbon atoms or a fluorine-containing alkyl group having an ether bond having 2100 carbon atoms, and at least one Z 3 (where Z 3 is a nonlinear optical substance)
- Specific examples of such a fluorine-containing ethylenic monomer include, for example, a compound represented by the formula:
- R f 1Q is the same as above
- a fluorine-containing ethylenic monomer containing a non-linear substance (II) As a specific example, for example
- CH 2 CFCF 2 OCF-Z 3
- CH 2 CFCF 2 ⁇ CFCF 2 ⁇ CF— Z 3
- CH 2 CFCF 2 ⁇ _CF 2 CF 2 ⁇ _CF 2 - Z 3
- CH 2 CFCF 2 0- (CF 2 CF 2 0) - 2 CF 2 -Z 3
- R f 1Q is the same as described above
- the fluorine-containing ethylenic monomer containing the nonlinear substance (II) is also preferable.
- CF 2 CFOCF 2 CF 2 -Z 3
- CF 2 C FOC F 2 CF 2 CH 2 -Z 3
- CF 2 CFOCF 2 CF ⁇ CF 2 CF 2 — Z 3
- CF 2 CFOCF 2 CFOCF, CF 2 CH 2 -Z 3
- CF 2 CFCKCF Z 3
- CF 2 CF06CF 2 CH 2 -Z 3
- CF 2 CF ⁇ CF 2 CF 2 OCF 2 — Z 3
- CF 2 CF ⁇ CF 2 CF 2 OCF 2 CH 2 — Z 3
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 -Z 3 ,
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 CH 2 -Z 3
- CF 2 CFCF 2 -0-R f 10
- CF 2 CF-R f 10
- CH 2 CH-R f 10
- CH 2 CHO-R f 10
- R f 1 Q is the same as described above.
- a fluorine-containing ethylenic monomer containing a nonlinear substance (II) is also preferable.
- a specific example for example
- CF 2 CFCF 2 ⁇ CF 2 CF 2 CF 2 — Z 3
- CF 2 CFCF 2 ⁇ CF 2 CF 2 CF 2 CH 2 — Z 3
- CF 2 CFCF 2 ⁇ CF 2 CF—Z 3
- CF 2 CFCF 2 ⁇ CF 2 CF—CH 2 — Z 3
- CF 2 CFCF 2 -Z 3
- CF 2 CFCF 2 CH 2 -Z 3
- CH 2 CHCF 2 CF 2 CH 2 CH 2 -Z 3
- CH 2 CHCF 2 CF 2 -Z 3
- CH 2 CHCF 2 CF 2 CH 2 -Z 3
- CH 2 CHCF 2 CF 2 CF 2 — Z 3
- CH 2 CHCF 2 CF 2 CF 2 CF 2 CH 2 -Z 3
- CH 2 CHO—CH 2 CF 2 CF 2 —Z 3
- the methods (2) and (4) are preferable in that the non-linear substance can be uniformly dispersed in the curable fluorine-containing prepolymer.
- a particularly preferable method in the method (2) is a method in which a curable fluorine-containing prepolymer is dissolved in a solution of the above-mentioned nonlinear substance, and the obtained homogeneous solution is heated to distill off the solvent.
- the composition in the form of a solution or a dispersion may be used as the base of the solution in the later-described waveguide forming process without distilling off the solvent.
- the second aspect of the present invention relates to a non-linear optical material obtained by curing the fluororesin composition of the present invention comprising the prepolymer (I) and the non-linear optical material (II).
- the curable fluororesin composition of the present invention comprises a fluorine-containing prepolymer (I) and a non-fluorinated prepolymer. It can be obtained only from the linear substance ( ⁇ ), but it is added with a photo-radical generator (III-11) or a photo-acid generator (III-12), which is an active energy ray curing initiator (III). It may be in the form of a composition.
- the active energy ray curing initiator (III) is exposed to an electromagnetic wave having a wavelength range of 350 nm or less, that is, an active energy ray such as an ultraviolet ray, an electron beam, an X-ray, and an ⁇ -ray. It functions as a catalyst that generates cations (acids) and initiates the curing (crosslinking reaction) of the carbon-carbon double bond of the fluorinated prepolymer (I). ), Especially those generating radicals can be preferably used.
- the curing reaction can be easily started by the above-mentioned active energy line, and the curing reaction can be performed at a relatively low temperature without heating at a high temperature. It is preferable because it has low resistance and can be applied to a substrate that is easily deformed, decomposed or colored by heat, for example, a transparent resin substrate.
- the active energy ray curing initiator (III) in the composition of the present invention is selected from the type of the side chain carbon-carbon double bond in the fluorine-containing prepolymer (I) (radical reactivity or cation (acid) reaction). Is selected as appropriate depending on the type of active energy ray used (wavelength range, etc.) and irradiation intensity.
- an initiator that cures a radical-reactive fluorinated prepolymer (I) having a carbon-carbon double bond using an active energy ray in the ultraviolet region.
- Examples of the (photo radical generator) include the following.
- Acetophenone chloroacetophenone, diethoxyacetophenone, hydroxyacetophenone, ⁇ -aminoacetophenone and the like.
- Benzoin type Benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, benzoin isobutyl ether, benzyl dimethyl ketone and the like.
- Benzophenone Benzoyl benzoic acid, Methyl benzoyl benzoate, 4-Phenylbenzophenone, Hydroxybenzophenone, Hydroxypyruvenzophenone, Acrylate Benzophenone, Michler's ketone, etc.
- Thioxansones Benzophenone, Benzoyl benzoic acid, Methyl benzoyl benzoate, 4-Phenylbenzophenone, Hydroxybenzophenone, Hydroxypyruvenzophenone, Acrylate Benzophenone, Michler's ketone, etc.
- Thioxanthone black thioxanthone, methylthioxanthone, methylthioxanthone, dimethylthioxanthone and the like.
- a photoinitiating aid such as amines, sulfones, and sulfines may be added.
- Examples of the initiator (photoacid generator) for curing the fluorinated prepolymer (I) having a cation (acid) reactive carbon-carbon double bond include the following.
- Sulfonates Alkyl sulfonic acid esters, haloalkyl sulfonic acid esters, aryl sulfonic acid esters, iminosulfonates and the like.
- the cation-reactive carbon-carbon double bond is represented by, for example, the above formula:
- the photocurable fluororesin composition used for the nonlinear optical material of the present invention contains a fluorine-containing prepolymer (I) and a nonlinear substance ( ⁇ ) (not only a simple substance but also its ion and Z or a nonlinear substance). If necessary, an active energy ray curing initiator (III) is added to form a curable fluorine-containing resin composition, and a fluorine-containing resin for coating including a solvent described later. If necessary, a curing agent may be added to the composition coating solution.
- radical polymerizable monomers such as acryl-based monomers, vinyl ether-based monomers And the like. These monomers may be monofunctional having one carbon-carbon double bond or polyfunctional monomers having two or more carbon-carbon double bonds.
- curing agents having a carbon-carbon unsaturated bond are used to react the active energy ray curing initiator in the composition of the present invention with an active energy ray such as light.
- a crosslink can be achieved by copolymerization with a carbon-carbon double bond at the side chain or at the terminal of the main chain of the fluorinated prepolymer (I) in the composition of the present invention. Things.
- Monofunctional acrylic monomers include acrylic acid, acrylic acid esters, methacrylic acid, methacrylic acid esters, polyfluoroacrylic acid, ⁇ -fluoroacrylic acid esters, maleic acid, maleic anhydride, In addition to maleic acid esters, (meth) acrylic acid esters having an epoxy group, a hydroxyl group, a hydroxyl group and the like are exemplified.
- an acrylate monomer having a fluoroalkyl group is preferable in order to maintain high near-infrared transparency of the cured product.
- X is H, CH 3 or F; R f is a fluorine-containing alkyl group having 2 to 40 carbon atoms or a fluorine-containing alkyl group having 2 to 100 carbon atoms having an ether bond).
- CH 2 C—COOCH
- CH 2 C-COOC-CF 3
- CH 2 C-COOCH 2 CF "(OCF 2 CF1 ⁇ 2 ⁇ C 3 F 7
- polyfunctional acrylic monomers include compounds in which the hydroxyl groups of polyhydric alcohols such as diols, triols, and tetraols have been replaced with acrylate, methacrylate, and fluoracrylate groups. Generally known.
- examples thereof include compounds in which two or more hydroxyl groups of each polyhydric alcohol such as 1-yl are replaced with any of an acrylate group, a methacrylate group, and an ⁇ -fluoroacrylate group.
- a polyfunctional acryl-based monomer in which two or more hydroxyl groups of a polyhydric alcohol having a fluorinated alkyl group or a fluorinated alkylene group are replaced with an acrylate group, a methacrylate group or an ⁇ -fluoroacrylate group.
- This compound is particularly preferable because it can maintain high near-infrared transparency of the cured product.
- R f is a fluorinated alkyl group having 1 to 40 carbon atoms
- R f is a fluorine-containing alkyl group having 1 to 40 carbon atoms, R is H or an alkyl group having 1 to 3 carbon atoms
- R f ' is a fluorinated alkylene group having 1 to 40 carbon atoms, R is H or an alkyl group having 1 to 3 carbon atoms
- ⁇ -fluoroacrylate compounds are particularly preferred because of their good curing reactivity. preferable.
- the amount of the active energy linear curing initiator (III) added depends on the content of the carbon-carbon double bond in the fluorinated prepolymer (I), It is selected as appropriate depending on whether or not an agent is used and the amount of the curing agent used, and further on the type of initiator, active energy ray used, and irradiation energy (intensity and time).
- a curing agent 0.01 to 30 parts by weight, more preferably 0.05 to 20 parts by weight, and most preferably 0.1 to 10 parts by weight, per 100 parts by weight of the fluorinated prepolymer (I) It is.
- the fluorine-containing pre-borima 0.05 to 50 mol%, preferably 0.1 to 20 mol%, and most preferably, based on the content (mole number) of carbon-carbon double bond contained in (I). Is 0.5 to 10 mol%.
- the total number of moles of the carbon-carbon double bond content (moles) contained in the fluorinated prepolymer (I) and the mol number of carbon-carbon unsaturated bonds in the curing agent is used. On the other hand, it is 0.05 to 50 mol%, preferably 0.1 to 20 mol%, most preferably 0.5 to 10 mol%.
- additives may be added to the composition of the present invention, if necessary, in addition to the compounds described above.
- Such additives include, for example, leveling agents, viscosity modifiers, light stabilizers, moisture absorbers, pigments, dyes, reinforcing agents, and the like.
- the curable fluororesin composition used for the nonlinear optical material of the present invention is used for the production of various members for optical amplification by dissolving or dispersing in a solvent as described later.
- the solvent used for preparing the solution is a fluorinated prepolymer (I), a non-linear substance (II), an active energy ray curing initiator (III), and a curing agent and a leveling agent added as necessary.
- additives such as light stabilizers can be uniformly dissolved or dispersed, but those which can uniformly dissolve the fluorinated prepolymer (I) are particularly preferred.
- Such a solvent examples include cellosolve solvents such as methylacetosolve, ethylsesolve, methylacetosolvesolve, ethylosesolvesolve, and the like; getyloxalate, ethylpyruvate, ethyl-2-hydroxybutyrate, ethylacetate.
- a fluorine-based solvent may be used as necessary.
- fluorine-containing solvent for example CH 3 CC 1 2 F (HCFC- 14 lb), CF 3 CF 2 CHC 1 2 ZCC 1 F 2 CF 2 CHC 1 F mixture (HC FC- 225), hexane Pafuruo port, Perfluoro (2-butyltetrahydrofuran), methoxy-nonafluorobutane, 1,3-bistrifluoromethylbenzene, etc.
- Fluorinated alcohols such as;
- fluorinated solvents may be used alone or as a mixture of fluorinated solvents or a mixture of one or more non-fluorinated and fluorinated solvents.
- ketone-based solvents acetate-based solvents, alcohol-based solvents, aromatic solvents, and the like are preferred in terms of improving paintability and coating productivity.
- the fluororesin composition of the present invention becomes a cured product by light curing, and forms a part of a nonlinear optical element such as a nonlinear waveguide element.
- This cured product has a maximum absorption coefficient of 1 cm- 1 or less in the wavelength range of 600 to 900 nm, 1290 to: L 320 nm and Z or 1530 to 1570 nm. .
- the present inventors have found that the above-mentioned fluorinated prepolymer (I) and a nonlinear optical material
- a third aspect of the present invention relates to a fluorine-containing polymer in which a site exhibiting a nonlinear optical effect is bonded to a side chain, and to a fluorine-containing nonlinear optical material characterized by using the same.
- the fluorine-containing polymer ( ⁇ ) having a portion exhibiting a nonlinear optical effect in a side chain is represented by the following formula (2):
- a homopolymer of a fluorine-containing ethylenic monomer or a structural unit M ′ thereof, to which an organic group exhibiting a nonlinear optical effect is bonded via a fluorine-containing alkylene group or a fluorine-containing alkylene group having an ether bond in a polymer side chain. Is an essential component.
- At least one site P composed of an organic group exhibiting a nonlinear optical effect may be bonded to R f ′, and two or more sites may be bonded.
- P may be bonded to any position in the side chain R f 'structure, for example, it may be located at the end of the side chain, or may be located in the middle of the side chain and A part may be formed. Furthermore, they may be bonded in a branched manner from the middle of the side chain structure. Of these, those located at the terminal of the side chain are preferred because they can be easily oriented at a lower voltage.
- the components having the nonlinear optical effect are uniformly dispersed, and a uniform nonlinear optical effect can be given at any position.
- a component having a nonlinear optical effect can be oriented without crystallization.
- the present inventors have introduced a component having a nonlinear optical effect into a fluorine-containing side chain by bonding, whereby these effects (1) to (4) and transparency, particularly, They have found that transparency in the infrared region can be compatible.
- the site P composed of an organic group exhibiting a nonlinear optical effect is a site composed of a ⁇ -electron conjugated organic group, and an electron-donating group and / or an electron-accepting group are bonded to the ⁇ -electron conjugated organic group. Is what it is.
- the organic group having ⁇ -electron conjugation is preferably a cyclic compound, specifically, a benzene ring, a pyrimidine ring, an oxazole ring, a furan ring, a thiazole ring, a thiadiazole ring, an oxathiazole ring, and a benzothiazolyl group.
- aromatic compounds such as a benzoxazole ring, a benzoxothiazole ring, a naphthalene ring, an anthracene ring, and an isoquinoline ring, or a fluorine-substituted product thereof.
- particularly preferred constituents include a benzene ring, a thiazolyl ring, a thiadiazole ring, a benzothiazolyl ring, a naphthalene ring and the like.
- the electron donating group include an alkyl group, a phenol group, an alkyl ether group, a thiophenol group, an alkyl thioether group, an amino group, an alkylamine group, a dialkylamine group, a cycloalkylamine group, a cycloalkylamine group, and the like. Derivatives in which the terminal of the alkyl group of the above group is substituted with a hydroxyl group, a thiol group, or an amino group.
- the electron accepting group include a perfluoroalkyl group, a penfluorofluorophenyl group, a nitro group, a cyano group, a dicyanovinyl group, and a tricia. And a novinyl group.
- Specific examples of the site P composed of an organic group exhibiting a nonlinear optical effect are preferably the same as the specific examples of the organic substance (II) having a second-order or higher nonlinear optical effect described above.
- One of the atoms of the non-linear substance is bonded in the structure of one side chain of the polymer to form the fluoropolymer of the present invention.
- the organic group P exhibiting the nonlinear optical effect in the nonlinear optical material of the present invention can be present in the R f ′ group by a covalent bond, an ionic bond or a coordination bond. It is preferable in terms of heat resistance, heat resistance and water resistance. Moreover, those similar to Z 3 described above can be mentioned.
- covalent bond examples include carbon-carbon bond, ether bond, ester bond, amide bond, urethane bond, carbonate bond, and amino bond.
- a carbon-carbon bond, an ether bond, an ester bond, and an amide bond are preferable in terms of stability and heat resistance.
- —R f ′ — included in the structural unit M ′ is a fluorine-containing alkylene group having 1 to 40 carbon atoms. Or a fluorine-containing alkylene group having an ether bond having 2 to 100 carbon atoms.
- the R f 'group only needs to have a fluorine atom bonded to a carbon atom contained therein, and generally has a fluorine-containing alkylene group in which a fluorine atom and a hydrogen atom or a chlorine atom are bonded to a carbon atom, or an ether bond.
- a fluorine-containing alkylene group containing more fluorine atoms (having a high fluorine content) is preferable, and a perfluoroalkylene group or a perfluoroalkylene group having an ether bond is more preferable.
- the fluorine content in the fluorine-containing prepolymer (I) is at least 25% by weight, preferably at least 40% by weight.
- the number of carbon atoms of the fluorinated alkylene group is preferably 1 to 20, more preferably 1 to 10.
- the number of carbon atoms of the fluorinated alkylene group having an ether bond is preferably 2 to 30, more preferably 2 to 20.
- Preferred specific examples of -R f 'in include those similar to the examples of -R f included in the structural unit M.
- the structural unit ( ⁇ ') in the fluorine-containing polymer (III) having a site exhibiting the nonlinear optical effect of the formula (2) in the side chain is, among others, a formula (M'_l):
- the unit M'-1 is preferred.
- the structural unit ⁇ ′—1 preferably has the formula (M, _ 2): — (CH 2 — CF) —
- R f ' is a fluorinated alkyl group having 1 to 40 carbon atoms or a fluorinated alkyl group having an ether bond having 2 to 100 carbon atoms, where P (P is a site composed of an organic group exhibiting a nonlinear optical effect).
- P is a site composed of an organic group exhibiting a nonlinear optical effect.
- a structural unit M′_2 derived from a fluorine-containing ethylenic monomer is preferable.
- CH 2 CFCF 2 OCF-P
- CH 2 CFCF 2 OCFCF 2 OCF— P
- ⁇ '—1 is expressed by the formula ( ⁇ '_3): one (CF 2 -CF) —
- R f ' is a fluorinated alkyl group having 1 to 40 carbon atoms or a fluorinated alkyl group having an ether bond having 2 to 100 carbon atoms, in which P (P is a site composed of an organic group exhibiting a nonlinear optical effect).
- P is a site composed of an organic group exhibiting a nonlinear optical effect.
- a monovalent organic group formed by bonding at least one or more), a structural unit M ′ derived from the fluorine-containing ethylenic monomer represented by One to three is preferred.
- CF 2 CF_ ⁇ _CF 2 CF 2 - P
- CF 2 CFOCF 2 CF 2 CH 2 - P
- CF 2 CF_ ⁇ _CF 2 CFOCF 2 CF 2 CH 2 - P
- CF 2 CFC CF 2 ⁇ P
- CF 2 CFO-CF 2 ⁇ CH 2 -P
- CF 2 CFOCF 2 CF 2 OCF 2 -P
- CF 2 CFOCF 2 CF 2 OCF 2 CH 2 -P
- CF 2 CF ⁇ CF 2 CF 2 CH 2 ⁇ CF 2 CF 2 — P
- CF 2 CFOCF 2 CF 2 CH 2 OCF 2 CF 2 CH 2 -P
- CF 2 CFCF 2 OCF 2 CF 2 CF 2 -P
- CF 2 CFCF 2 OCF 2 CF 2 CF 2 CH 2 -P
- CF 2 CFCF 2 -P
- CF 2 CFCF 2 CH 2 -P
- CH 2 CHCF 2 CF 2 CH 2 CH 2 -P
- CH 2 CHCF 2 CF 2 -P
- CH 2 CHCF 2 CF 2 CH 2 -P
- CH 2 CHCF 2 CF 2 CF 2 CF 2 CF, -P
- CH 2 CHCF 2 CF 2 CF 2 CF 2 CH 2 -P
- CH 2 CH ⁇ — CH 2 CF 2 CF 2 — P
- CH 2 CHOCH 2 CF 2 CF 2 CH 2 -P
- the structural unit A 1 is an optional component, and M ′, M, —1, M ′ — 2 or M′—3 It is not particularly limited as long as it is a copolymerizable monomer, and may be appropriately selected according to the use, required characteristics, and the like.
- Specific examples of the preferred structural unit A1 include those similar to the specific examples (1) to (4) of the structural unit A, which is an optional component of the fluorinated prepolymer (I) of the formula (1).
- the ratio it is preferable to select a range of a combination in which the combination of the structural unit M ′ and the structural unit A 1 can be amorphous. From the above examples, the intended use and physical properties (particularly, glass transition temperature, hardness, etc.) And various functions (transparency, near-infrared transparency).
- a fluoropolymer having a nonlinear optical site contains the structural unit ⁇ '( ⁇ '-1, M'_2 or ⁇ 1'-3) as an essential component, and the structural unit M' itself is near-infrared transparent. It has more features in addition to the function of maintaining high transparency and imparting transparency and the function of imparting a non-linear optical effect directly or by orientation treatment. Therefore, the fluoropolymer having a non-linear optical site of the present invention maintains a high near-infrared transparency even in a composition containing a large amount of the structural unit M ′, and extremely in a polymer composed of only the structural unit ⁇ (100 mol%). it can.
- the content ratio of the structural unit M' is 0.1 mol% or more based on all monomers constituting the fluoropolymer having a nonlinear optical site.
- it is preferably at least 2.0 mol%, preferably at least 5 mol%, more preferably at least 10 mol%.
- the fluoropolymer having a nonlinear optical portion used in the present invention does not decrease even when the ratio of the structural unit M 'is increased (even when the cured portion is increased), the fluoropolymer is particularly useful for nonlinear optical materials in the near infrared region. It has favorable characteristics.
- the fluoropolymer having a non-linear optical part used in the present invention is required to have high transparency when used as a non-linear optical material for an optical functional device used for optical communication, for example, and the structural unit M ′ and the structural unit A 1 It is important that the combination have a combination and composition that can be amorphous.
- amorphous means that an endothermic peak due to melting is not substantially observed when measured at a heating rate of 10 at a temperature of 10 min under DSC analysis, or the heat of fusion is 1 J Zg or less. It shows the property that is.
- the fluorine content of the fluoropolymer having a non-linear optical site used in the present invention is preferably 25% by weight or more.
- the fluorine content When the fluorine content is low, the transparency in the near infrared is reduced. In addition, when the fluorine content is low, the water absorption becomes high, and it becomes virtually impossible to use it as an optical material. For non-linear optical material applications, most preferably the fluorine content is at least 40% by weight.
- the fluoropolymer having a non-linear optical portion used in the present invention has a specific communication band (1290 to 132 Onm and / or 1530 to: 1570 nm or more). And the maximum value of the extinction coefficient in the Z or 600 to 900 nm) is preferably those of 1 cm one 1 below. Those exhibiting a higher absorbance coefficient are not suitable as nonlinear optical materials used for optical communication.
- the molecular weight of the fluoropolymer having a non-linear optical site used in the present invention can be selected, for example, in the range of 500 to 1,000,000 in number average molecular weight, but is preferably selected from the range of 1,000 to 500,000, particularly 2,000 to 200,000. preferable.
- the number average molecular weight is most preferably selected from the range of 5,000 to 100,000.
- the fluoropolymer having a non-linear optical site used in the present invention may have a wavelength range of 1290 to 1320 nm, a wavelength range of 1530 to 1570 nm, or a wavelength range of 600 to 900 nm of the fluorine-containing pre-polymer itself (before curing).
- the maximum value of the absorbance coefficient is preferably 1 cm- 1 or less, more preferably 0.5 cm- 1 or less, and particularly preferably 0.1 cm- 1 or less.
- the refractive index is preferably in the range of 1.3 to 1.7 in nd. This adjustment can be made by variously determining the type and content of the structural unit M 'and the type of the structural unit A1 used as necessary. These adjustments facilitate the selection of the cladding when forming the waveguide.
- the fluoropolymer having a non-linear optical site is preferably soluble in a general-purpose solvent, for example, soluble in at least one of a ketone solvent, an acetate solvent, an alcohol solvent, and an aromatic solvent, or as described above. It is preferably soluble in a mixed solvent containing at least one solvent.
- fluorine-containing polymers having a non-linear optical part according to the present invention are used as the organic compound (II) having the second or higher order non-linear optical effect of the above-mentioned fluorine-containing resin composition, and have a fluorine-containing part having a cured part. It may be used by blending with Prebolimer (I).
- a cured product obtained by curing the fluororesin composition by the above-described method is naturally also a preferable nonlinear optical material.
- a fourth aspect of the present invention relates to a fluorine-containing polymer containing both a carbon-carbon double bond and a site exhibiting a nonlinear optical effect, and to a fluorine-containing nonlinear optical material characterized by using the same.
- a fluorine-containing polymer (IV) containing both a carbon-carbon double bond and a site exhibiting a nonlinear optical effect is represented by the following formula (3):
- the structural unit A 2 is a structural unit derived from a monomer copolymerizable with the fluorinated ethylenic monomer represented by the formula (M) or ( ⁇ ′)]. 1 to 99.9 mol%, structural unit ⁇ , 0: fluorinated polymer having a number average molecular weight of 500 to 1000000 containing! To 99.9 mol% and 0 to 99.8 mol% of structural unit A2 One.
- fluoropolymers (IV) have nonlinear optical effects in the structural unit M '. This is preferable because it has a function that combines the mechanical properties of the fruit and the structural unit M with the curing and the effect of improving the thermal stability of the nonlinear optical effect itself.
- the present inventors simultaneously introduce the structural unit M having a hardened site and the structural unit M ′ having a non-linear optical site,
- Structural units M and M ′ in the fluoropolymer (IV) are preferably the same as those described above, and the structural unit A2 as an optional component is preferably the same as the above-described structural unit A.
- Monomer having a monomer and Y 1 having 1 P were synthesized in advance, respectively, a method obtained by copolymerizing,
- the fluororesin composition comprising the fluorinated prepolymer of the present invention (I) and the non-linear optical substance (II) or a cured product thereof, or the fluoropolymer (III) or (IV) having a non-linear optical site of the present invention or
- the cured product may be subjected to a poling treatment to further enhance the nonlinear optical effect.
- the poling treatment is performed in order to align the direction of molecular polarization in one direction by applying an electric field to a portion of the fluororesin composition which exhibits a nonlinear optical substance or a nonlinear optical effect in a fluoropolymer. .
- the polarization of each molecule does not cancel each other, and a larger nonlinearity This is a preferable processing method in that an optical effect can be obtained.
- the poling treatment is performed by applying a DC electric field at a temperature equal to or higher than the glass transition point of the fluoropolymer (or the nonlinear optical material itself) forming the matrix in the fluororesin composition.
- a corona polling method using a corona discharge in which a high voltage is applied between a thin metal wire electrode or metal plate electrode and the linear optical material (for example, a thin film), and the corona discharge is applied.
- Such a method can be used.
- a contact polling method that is easy to operate, has little damage to the thin film, and has good uniformity is preferable.
- the fluoropolymer having a cured site is preferably treated in the following steps in order to more efficiently obtain the orientation formed by the polling treatment and the directional stability obtained thereby.
- a more preferable method is to simultaneously perform a curing reaction by, for example, ultraviolet irradiation while heating the glass to a temperature equal to or higher than the glass transition point of the fluorine-containing prepolymer (I).
- a fifth aspect of the present invention is a fluororesin composition comprising the above-mentioned fluorine-containing prepolymer (I) and a nonlinear optical substance (II) or a cured product thereof, or a fluoropolymer having a nonlinear optical portion of the present invention (III) Or (IV) or an optical waveguide element using a cured product thereof (these materials having a nonlinear optical effect of the present invention are collectively referred to as “fluorine-containing nonlinear optical material”).
- the fluorine-containing nonlinear optical material of the present invention is coated on the surface of a flat substrate to form a thin film to form a nonlinear optical layer, and as it is or an optical waveguide channel made of a material having a higher refractive index than the nonlinear optical layer. Is formed to manufacture the optical waveguide device of the present invention.
- the nonlinear optical layer is a layer that causes a nonlinear optical effect when light propagates through the element.
- the optical waveguide device of the present invention can also be manufactured by a method in which a groove-shaped optical waveguide is first formed on a substrate surface, and a thin-film nonlinear optical layer is formed in the waveguide.
- Examples of the material of the substrate of the optical waveguide device include quartz, heat-resistant quartz glass, graphite, silicon, molybdenum disulfide, sodium chloride, and potassium chloride.
- the thickness of the substrate is not particularly limited, but is preferably 0.1 mm or more. In particular, if the thickness of the substrate is smaller than 0.1 mm, there arises a problem that the flatness of the substrate and the desired strength cannot be obtained.
- the thickness of the nonlinear optical layer varies depending on the refractive index of the substrate, the refractive index of the nonlinear optical layer, the nonlinear susceptibility of the nonlinear optical layer, and the like. If the thickness of the nonlinear optical layer is less than 0.1 m, it is difficult to obtain a sufficient nonlinear optical effect. On the other hand, if the thickness of the nonlinear optical layer is greater than 5 m, it becomes difficult to control the guided light. Particularly preferably, a film thickness of 0.3 to 2 / zm is recommended.
- the fluorine-containing nonlinear optical material of the present invention As a method of forming the fluorine-containing nonlinear optical material of the present invention on a substrate, Known techniques such as a pin coating method, a casting method, a dip coating method, a melt pressing method, a vapor deposition method, an LB film method, and an epitaxy method can be used. Of these, spin coating is particularly preferred.
- spin coating is particularly preferred.
- the fluorine-containing nonlinear optical material before curing or the fluorine-containing nonlinear optical material that does not include a cured site is dissolved in an organic solvent such as methylethyl ketone described above. Then, this solution may be applied onto the substrate. If necessary, a curing treatment similar to the above-described method may be performed.
- An optical waveguide element is a channel that guides light into the channel by providing a channel waveguide with a flat waveguide that transmits light as it is to the thin film of the nonlinear optical layer and a material that has a slightly higher refractive index than the nonlinear optical layer.
- Type waveguide devices are widely used.
- the channel type waveguide element there is a type in which the waveguide channel material is the same as the substrate material, that is, a type in which a waveguide is formed in a substrate in a groove shape, and another type.
- examples of the waveguide channel material include polycarbonate, a transparent resin such as polymethyl methacrylate, glass, As 2 S 3 , As 2 S 5 , ZnO, Li Ta ⁇ 3 , Nb 2 ⁇ 5, Ta 2 ⁇ 5 is S i 3 N 4 Hitoshiryoku like.
- glass, polymethyl methacrylate, and ZnO are particularly preferred.
- the waveguide channel material may be cured by directly using a fluorine-containing prepolymer (I) containing no nonlinear substance.
- the waveguide shape of the optical waveguide device of the present invention may be a slab type, a channel type, a pole type or the like.
- the cross-sectional shape and length of the above-mentioned waveguide are not particularly limited because they depend on the propagation loss and the refractive index of the waveguide, but in the case of the slab type, the thickness of the waveguide layer is appropriately from 05 to 3 m. Yes, with a length of 1 to 30 mm is often used. In the case of the channel type, an appropriate distance between channels is 2 to 30 m.
- a spin coating method, a vapor deposition method, a sputtering method, a CVD method, an ion exchange method, an ion implantation method, an epitaxy method, or the like can be used.
- an ion exchange method in order to fabricate a channel type waveguide, an ion exchange method, a photolithography method, an etching method, a sputtering method, an ion implantation method, and an epitaxy method can be used.
- a method such as an etching method, an ion exchange method, or a photolithography method can be suitably used.
- electrodes can be provided above and below the nonlinear optical layer as needed.
- various conductors can be cited, and as the material, ITO, gold, silver, chromium, aluminum and the like are preferably used.
- the nonlinear optical waveguide device of the present invention is used for various types of devices such as a linear device, a ⁇ -branch device, a directional coupling device, a Mach-Zehnder interference device, a Fabry-Perot resonator device, and a polarization inversion SHG device. be able to.
- an end face coupling method when guided light is excited in the nonlinear optical layer, an end face coupling method, a prism coupling method, a grating coupling method, a holographic coupling method, a taper coupling method, or the like can be used.
- composition ratio was determined by NMR to be 42:58 (molar ratio).
- a fluorine-containing curable polymer (ether solution) was synthesized in the same manner as in Synthesis Example 3 using the copolymer of the hydroxyl group-containing fluorinated aryl ether obtained in Synthesis Example 2.
- Methyl ethyl ketone ( ⁇ ) was added to the fluorine-containing polymer having an ⁇ -fluoroacryloyl group (ether solution) obtained in Synthesis Example 3 (Reference Example 1) and Synthesis Example 4 (Reference Example 2), and the ether was added to evaporate. The solvent was distilled off in the evening to adjust the polymer concentration to 50% by weight.
- composition prepared in (1) was applied on an aluminum foil using an applicator so as to have a thickness of about 100 m, and vacuum dried at 50 for 10 minutes.
- the dried film was irradiated with ultraviolet rays at room temperature using a high-pressure mercury lamp at an intensity of 1000 mJZcm 2 U, and then the aluminum foil was dissolved with dilute hydrochloric acid to obtain a sample film.
- the refractive index of the obtained cured film was measured in the same manner as in the above (2).
- composition prepared in (1) was applied on an aluminum foil using Apliquet overnight so that the film thickness became about lmm, and vacuum dried at 50 for 10 minutes.
- the dried film was irradiated with ultraviolet light at room temperature using a high-pressure mercury lamp at an intensity of 100 OmJZcm 2 !;
- the aluminum foil was dissolved with dilute hydrochloric acid to form a sample film.
- the light absorption of the obtained cured film was measured with a spectrophotometer U3410 manufactured by Hitachi, Ltd. Table 1 shows the results at wavelengths of 650 nm, 1310 nm, and 1550 nm.
- thermogravimeter “TGA-50” manufactured by Shimadzu Corporation
- TGA-50 manufactured by Shimadzu Corporation
- the curable fluorine-containing prepolymer used in the present invention is a material capable of photocuring and capable of photolithography, and gives a cured product having high transparency and excellent heat resistance.
- Example 1 Synthesis 1 of Fluororesin Composition Containing Non-Linear Substance
- Fluorine-containing ⁇ -fluoroacryloyl group obtained in Synthesis Example 3 in a 100 ml glass four-necked flask equipped with a stirrer and a thermometer 2.09 g of aryl ether homopolymer and 15 g of methanol were added, and while stirring, 0.5 g (3.3 mmo 1) of 2-methyl_4_ditroaniline was dissolved in 10 g of pyridine.
- a colorless and transparent solid was obtained as a non-linear substance-containing fluororesin composition in the same manner as in Example 1 except that the copolymer of a fluorinated aryl ether having an ⁇ -fluoroacryloyl group obtained in Synthesis Example 4 was used.
- Got 93 g the copolymer of a fluorinated aryl ether having an ⁇ -fluoroacryloyl group obtained in Synthesis Example 4 was used.
- N_methyl_4_nitroaniline (1.5 g, 10 mmol) was dissolved in 15 ml of pyridine, and cooled to 0 with stirring.
- 9H, 9H-Perfluoro-2,5-dimethyl-3,6-dioxa-18-nonenoic acid chloride (4.4 g, 10 mmol) was added dropwise to the solution, and after the addition, the mixture was stirred at room temperature for 1 hour.
- the reaction solution was poured into hexane, and the precipitated solid was collected by filtration. The solid is recrystallized from acetone to give N-methyl, N- (4'12-trophenyl) 9H, 9H-perfluoro-2,5-dimethyl-3,6-dioxer 8-nonenamide CH 3
- composition ratio was determined by NMR to be 47:53 (molar ratio).
- Example 4 Synthesis of Fluororesin Composition Containing Nonlinear Material 4
- a fluorinated aryl ether having a hydroxyl group and a fluorinated substance having the non-linear substance in a side chain structure A copolymer with allyl ether was obtained.
- the composition ratio was determined from NMR to be 40:60 (molar ratio).
- the number average molecular weight by GPC analysis was 720, and the weight average molecular weight was 125,000.
- a fluorine-containing curable polymer (ether solution) having a non-linear substance in a side chain structure was synthesized.
- Fluorine-containing hydroxyl group in the same manner as in Synthesis Example 11 except that a fluorine-containing aryl ether having a side chain of the nonlinear substance obtained in Synthesis Example 10 was used. A copolymer of an aryl ether and a fluorinated aryl ether having a non-linear substance in a side chain structure was obtained. The composition ratio was determined by NMR to be 41:59 (molar ratio). The number average molecular weight by GPC analysis was 770,000 and the weight average molecular weight was 1,400,000. Further, in the same manner as in Synthesis Example 3, a fluorine-containing curable polymer (ether solution) having a non-linear substance in a side chain structure was synthesized. Examples 8 to 14 (Confirmation of curing reactivity by IR analysis)
- the above coating composition was applied to a PET film using Apliquet overnight, dried and applied to a thickness of about 100 m, dried at 50 for 5 minutes, and then coated with a PET film. Was peeled off to obtain a cast film.
- Ratio to polymer (% by weight) 4.2 2.1 4.0 4.1 4.0 4.2 4.1
- UV irradiation 100 (mj / cm 2 ) 100 (disappeared) 55 100 (disappeared) 100 (disappeared ⁇ ) 100 (disappeared) 100 (disappeared ⁇ ) 100 (disappeared)
- Example 2 The same operation as in Example 1 was performed using the fluorine-containing curable polymer obtained in Example 15, and the polymer concentration, the type of the active energy ray curing initiator, and the amount of the active energy ray curing initiator shown in Table 3 were obtained. Each composition was prepared as described above.
- the photocurable composition obtained in Example 16 was further used as a curing agent.
- Synthesis and purification of the obtained polymer were carried out in the same manner as in Synthesis Example 1 except for using 10.0 g of a 8.0% by weight of a toluene solution of hexane in water, and 18.2 g of a colorless and transparent polymer was obtained. Obtained.
- this polymer was analyzed by 19 F_NMR, iH_NMR analysis and IR analysis, it was found to be a fluoropolymer comprising only the structural unit of the above-mentioned fluorinated aryl ether and having a hydroxyl group at the terminal of the side chain.
- the number-average molecular weight measured by GPC analysis using tetrahydrofuran (THF) as a solvent was 30,000 and the weight-average molecular weight was 59,000.
- Perfluoro (1,1,9,9-tetrahydro-2,5-bistrifluoromethyl-3,6-dioxanonener) was placed in a 300-ml stainless steel autoclave equipped with a valve, pressure gauge, and thermometer. . 2 g and CH 3 CC 1 2 F (HCFC- 141) and 200 g, 50 wt% methanol one Le solution Gino Rumaru propyl Per O carboxymethyl force one Poneto (NPP) was placed 0. 16g, dry ice / methanol solution The system was sufficiently replaced with nitrogen gas while cooling with. Then from the valve vinylidene fluoride
- composition ratio of this copolymer was analyzed by MNR analysis and 19 F-NMR analysis.
- content of the fluorine-containing aryl ether containing Vd FZOH group was 55/45 (mol%).
- the number average molecular weight measured by GPC analysis using THF as a solvent was 12000, and the weight average molecular weight was 18000.
- Methyl ethyl ketone (MEK) 40 m in a 200 ml tetrafluoro flask equipped with a reflux condenser, a thermometer, a stirrer, and a dropping funnel. Homopolymer of hydroxyyl group-containing fluorinated aryl ether obtained in Synthesis Example 13. g and pyridin (2.0 g) were charged.
- the MEK solution after the reaction was placed in a separatory funnel, washed with water, washed with 2% hydrochloric acid, washed with 5% NaCl, and again with water.
- the organic layer was separated, and dried over anhydrous magnesium sulfate.
- the polymer concentration after filtration was 10.7% by weight.
- Synthesis Example 17 (Synthesis of fluorine-containing curable polymer having ⁇ -fluoroacryloyl group) Synthetic Example 16 except that 5.08 of the copolymer of fluorinated aryl ether containing OH group and VdF obtained in Synthetic Example 14 and 1.lg of pyridine and 1.0 g of ⁇ -fluoroacrylic acid fluoride were used. Similarly, a fluorine-containing curable polymer (MEK solution) was synthesized. The polymer concentration was 9.9% by weight.
- MEK was further added to the curable fluoropolymer (MEK solution) obtained in Synthesis Example 16 to adjust the polymer concentration to 8% by weight. Further, 2-methyl-4-nitro-2-aline was dissolved and the concentration was adjusted to lwt% to prepare a solution.
- the fluorinated active energy ray curing initiator obtained in Synthesis Example 15 was added so as to be 4.0% by weight with respect to the polymer.
- the solution became transparent and compatible.
- the fluorine-containing curable polymer obtained in Synthesis Example 3 was molded to a thickness of 3 mm, and cured by irradiating with ultraviolet light at room temperature at an intensity of 3000 mJZcm2U to obtain a substrate. Further, this substrate was polished to a mirror surface, and the above-mentioned photocuring composition solution was applied by a spin coat method to form a thin film, thereby obtaining a nonlinear optical element.
- MEK was further added to the curable fluoropolymer (MEK solution) obtained in Synthesis Example 17 to adjust the polymer concentration to 8% by weight. Further, 2-methyl-4-12throaline was dissolved and the concentration of the complex was adjusted to lwt% to prepare a solution. To this MEK solution of the curable fluoropolymer, 2-hydroxy-2-methylpropiophenone as an active energy ray curing initiator was added in an amount of 5.2% by weight based on the polymer. The solution became compatible.
- a Mach-Zehnder 1000 ⁇ optical device shown as a schematic perspective view in FIG. 1 was produced.
- the fluorinated curable prepolymer obtained in Synthesis Example 3 was dissolved in MEK and formed into a film (thickness: 10 m) by spin coating.
- An under clad layer 7 was formed by irradiating an ultraviolet ray with an intensity of 3000 mJ / cm 2 U at room temperature to cure the layer.
- the fluororesin composition solution for a nonlinear optical material prepared in Example 20 was applied on the undercladding layer 7 in a thin film form (thickness 4; ⁇ m) by a spin coating method.
- the surface of the fluororesin thin film which is a nonlinear optical material for an optical waveguide, was again spin-coated with the fluorine-containing curable prepolymer obtained in Synthesis Example 3 to form a cured film.
- an upper (gold) electrode 2 was provided on a necessary portion of the upper surface.
- the substrate 5 was heated to 110, an electric field of 1 MVZ cm was applied between the upper electrode 2 and the lower electrode 6 for 2 minutes, and the non-linear material thin film was oriented. After gradually cooling to 30, the electric field was cut off.
- the nonlinear material thin film for an optical waveguide is irradiated with ultraviolet light by using a mask of a necessary waveguide pattern, and a fluororesin portion corresponding to the optical waveguide is cured, and the remaining unreacted portion is cured.
- the cured portion was removed with a solvent to form the nonlinear optical waveguide 3.
- the fluorine-containing curable prepolymer obtained in Synthesis Example 3 was applied to the entire surface and then cured to obtain an outer clad layer 1.
- a gold electrode for driving the device was formed as an upper electrode 2 on the outer cladding layer 1 above the optical waveguide using photolithography, and a Mach-Zehnder interference optical device comprising a channel type waveguide 3 was produced.
- the end face of the optical waveguide 3 was optically polished. Light enters the nonlinear optical waveguide 3 from the direction of arrow 4 and exits in the direction of arrow 8.
- a suitable nonlinear optical material having a stable structure formed with a nonlinear substance by curing a fluorine-containing prepolymer.
- this fluororesin composition is used, an excellent nonlinear optical waveguide device can be manufactured by a relatively simple process while maintaining transparency in the near infrared wavelength region.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Optical Integrated Circuits (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2002589871A JP4265218B2 (ja) | 2001-05-17 | 2002-05-16 | 含フッ素ポリマーを含んでなる非線形光学材料 |
KR1020037014780A KR100572942B1 (ko) | 2001-05-17 | 2002-05-16 | 불소 함유 중합체를 포함하는 비선형 광학 재료 |
EP20020769614 EP1406116A1 (en) | 2001-05-17 | 2002-05-16 | Nonlinear optical material containing fluoropolymer |
US10/704,829 US7262252B2 (en) | 2001-05-17 | 2003-11-12 | Nonlinear optical materials comprising fluorine-containing polymer |
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JP2001147649 | 2001-05-17 | ||
JP2001-147649 | 2001-05-17 |
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US10/704,829 Continuation-In-Part US7262252B2 (en) | 2001-05-17 | 2003-11-12 | Nonlinear optical materials comprising fluorine-containing polymer |
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WO2002093249A1 true WO2002093249A1 (fr) | 2002-11-21 |
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PCT/JP2002/004729 WO2002093249A1 (fr) | 2001-05-17 | 2002-05-16 | Materiau optique non lineaire contenant un polymere fluore |
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Country | Link |
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US (1) | US7262252B2 (ja) |
EP (1) | EP1406116A1 (ja) |
JP (1) | JP4265218B2 (ja) |
KR (1) | KR100572942B1 (ja) |
CN (2) | CN1592867A (ja) |
TW (1) | TW583499B (ja) |
WO (1) | WO2002093249A1 (ja) |
Cited By (4)
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WO2005085181A1 (ja) * | 2004-03-08 | 2005-09-15 | Daikin Industries, Ltd. | 含フッ素化合物からなる機能性材料 |
WO2007091517A1 (ja) * | 2006-02-07 | 2007-08-16 | Daikin Industries, Ltd. | へテロ芳香環含有含フッ素ポリマー |
JP2008273872A (ja) * | 2007-04-27 | 2008-11-13 | Shiseido Co Ltd | 紫外線吸収剤及びそれを配合した皮膚外用剤組成物 |
WO2014030505A1 (ja) * | 2012-08-22 | 2014-02-27 | 旭硝子株式会社 | プレポリマー、硬化性材料、塗布用組成物、非線形光学材料、光導波路および光制御デバイス |
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TW526213B (en) * | 2000-08-29 | 2003-04-01 | Daikin Ind Ltd | Curable fluorine-containing polymer, curable resin composition prepared from same and reflection reducing film |
WO2008017318A1 (en) * | 2006-08-08 | 2008-02-14 | Pirelli & C. S.P.A. | Optical device and polymer material with nonlinear optical properties |
US8192898B2 (en) * | 2007-03-30 | 2012-06-05 | Daikin Industries, Ltd. | Composition for fluorine-containing volume holographic data recording material and fluorine-containing volume holographic data recording media made of same |
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- 2002-05-16 KR KR1020037014780A patent/KR100572942B1/ko not_active Expired - Fee Related
- 2002-05-16 JP JP2002589871A patent/JP4265218B2/ja not_active Expired - Fee Related
- 2002-05-16 CN CNA028099370A patent/CN1592867A/zh active Pending
- 2002-05-16 WO PCT/JP2002/004729 patent/WO2002093249A1/ja active Application Filing
- 2002-05-16 CN CNA2006101687223A patent/CN1983007A/zh active Pending
- 2002-05-16 TW TW091110276A patent/TW583499B/zh not_active IP Right Cessation
- 2002-05-16 EP EP20020769614 patent/EP1406116A1/en not_active Withdrawn
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2003
- 2003-11-12 US US10/704,829 patent/US7262252B2/en not_active Expired - Fee Related
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US9575246B2 (en) | 2012-08-22 | 2017-02-21 | Asahi Glass Company, Limited | Prepolymer, curable material, coating composition, non-linear optical material, optical waveguide and light control device |
Also Published As
Publication number | Publication date |
---|---|
KR20030097864A (ko) | 2003-12-31 |
CN1592867A (zh) | 2005-03-09 |
JPWO2002093249A1 (ja) | 2004-09-02 |
TW583499B (en) | 2004-04-11 |
KR100572942B1 (ko) | 2006-04-25 |
JP4265218B2 (ja) | 2009-05-20 |
US20050004253A1 (en) | 2005-01-06 |
EP1406116A1 (en) | 2004-04-07 |
US7262252B2 (en) | 2007-08-28 |
CN1983007A (zh) | 2007-06-20 |
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