WO2006123731A1 - 硬化性組成物 - Google Patents
硬化性組成物 Download PDFInfo
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- WO2006123731A1 WO2006123731A1 PCT/JP2006/309907 JP2006309907W WO2006123731A1 WO 2006123731 A1 WO2006123731 A1 WO 2006123731A1 JP 2006309907 W JP2006309907 W JP 2006309907W WO 2006123731 A1 WO2006123731 A1 WO 2006123731A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/06—Polythioethers from cyclic thioethers
- C08G75/08—Polythioethers from cyclic thioethers from thiiranes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
Definitions
- the present invention relates to a curable composition containing an inorganic compound having a sulfur atom and Z or selenium atom, and a high refractive optical material having a refractive index and an Abbe number obtained by polymerizing and curing the composition.
- This optical material is useful for optical products such as plastic lenses, prisms, optical fibers, information recording bases, filters, adhesives, especially plastic lenses for spectacles.
- Plastic materials have been widely used in recent years for various optical materials, particularly spectacle lenses, because they are lightweight, tough and easy to dye.
- a high refractive index enables the lens to be thinned, and a high Abbe number reduces the chromatic aberration of the lens.
- many polysulfide compounds with an excellent balance between the refractive index and the Abbe number have been reported (for example, see Patent Documents 1-3). ).
- the optical material obtained from the polysulfide compound of these inventions there is a demand for a material that has a refractive index of 1.7 or higher and a high Abbe number, and that has a higher refractive index.
- Patent Document 1 Japanese Patent Laid-Open No. 9-71580
- Patent Document 2 Japanese Patent Laid-Open No. 9-110979
- Patent Document 3 Japanese Patent Laid-Open No. 9-255781
- Patent Document 4 Japanese Patent Laid-Open No. 2001-2783
- Patent Document 5 Japanese Patent Application Laid-Open No. 2004-197005
- Patent Document 6 Japanese Unexamined Patent Application Publication No. 2004-137481
- the object of the present invention is to produce a high refractive index optical material containing an inorganic compound having a small increase in viscosity even after prepolymerization and degassing treatment! / Soot, sulfur atom and Z or selenium atom. It is to provide a composition and to facilitate cast polymerization operations.
- the present invention relates to an inorganic compound A having 1 to 50 parts by weight of a sulfur atom and Z or selenium atom, 50 to 99 parts by weight of the following formula 1:
- Compound B (wherein the total of inorganic compound A and compound B is 100 parts by weight), and a thiol compound having one SH group and one or more disulfide bonds other than compound B
- the present invention relates to a curable composition comprising 1 to 20 parts by weight of at least one compound C selected from the group consisting of disulfide compound and 100 parts by weight of inorganic compound A and compound B in total.
- Fig. 1 is a graph showing changes in viscosity immediately after degassing and after degassing (Example 10-: L1 and Comparative Examples 4-5).
- the curable composition of the present invention contains inorganic compound A, compound B, and compound C as basic components.
- Inorganic compound A includes all inorganic compounds having a sulfur atom and one or more Z or selenium atoms.
- the term “inorganic compound” as used herein is as defined in the “Standard Chemistry Dictionary” (edited by the Japanese Society for Social Science (1991) Maruzen).
- elemental sulfur is also included in the inorganic compound A for convenience.
- the total weight ratio of sulfur atoms and selenium atoms in the inorganic compound A is preferably 30% by weight or more (including 100% by weight). If this specific force is less than 30% by weight, the effect of improving the refractive index of the optical material with a small amount of sulfur and selenium atoms will be small.
- the amount of inorganic compound A added is 1 to 50 parts by weight, preferably 5 to 50 parts by weight, more preferably 10 to 40 parts by weight, more preferably 100 parts by weight of the sum of inorganic compound A and compound B. Is 15 to 35 parts by weight, particularly preferably 20 to 30 parts by weight.
- the inorganic compound A having a sulfur atom or both a sulfur atom and a selenium atom include sulfur, hydrogen sulfide, carbon disulfide, selenosulfuric carbon, sulfur sulfur, sulfur acid.
- sulfur, carbon disulfide, phosphorus sulfide, sulfur selenium, metal sulfide and metal hydrosulfide are preferable, and sulfur, carbon dioxide, and sulfur selenium are more preferable. Particularly preferred is sulfur.
- Selenium atoms include selenium, hydrogen selenide, selenium dioxide, carbon diselenide, ammonia selenide, selenium dioxide, etc.
- acids include acid salts, boron selenide, phosphorus selenide, arsenic selenide, and metal selenides.
- selenium, diselenic carbon, phosphorus selenide, and metal selenide preferred are selenium and Biselenium carbon.
- These inorganic compounds A having a sulfur atom and z or selenium atom may be used alone or in combination of two or more.
- the amount of compound B represented by formula 1 is 50 to 99 parts by weight, preferably 50 to 95 parts by weight, more preferably 60 to 99 parts by weight, with the total of inorganic compound A and compound B being 100 parts by weight. 90 parts by weight, more preferably 65 to 85 parts by weight, particularly preferably 70 to 80 parts by weight.
- compound B include bis ( ⁇ -epithiopropyl) sulfide, bis (j8-epithiopropyl) disulfide, bis ( ⁇ -epithiopropyl) trisulfide, bis ( ⁇ -epithiopropylthio) methane, 1, 2 Bis (j8-epitipropylpropyl) ethane, 1,3-bis ( ⁇ -epithiopropylthio) propane, 1,2-bis ( ⁇ -epithiopropinoretio) propane, 1,4bis And episulfide compounds such as (j8-epitipropinoretio) butane and bis (j8-epitipropythioethyl) sulfide.
- Compound B can be used alone or in combination of two or more.
- preferred specific examples are bis (j8-epithiopropyl) sulfide and bis (epeptiopropyl) disulfide, and the most preferred specific example is bis (j8-epithiopropyl) sulfide.
- the thiol compound and disulfide having one SH group It has been proved that it is effective to add at least one compound C selected from disulfide compounds other than compound B and having one or more bonds.
- a compound having two or more SH groups recommended in Patent Document 6 cannot prevent an increase in viscosity due to prepolymerization and degassing treatment.
- Compound C is added in an amount of 1 to 20 parts by weight, preferably 2 to 18 parts by weight, more preferably 3 to 15 parts by weight, based on 100 parts by weight of the total amount of inorganic compound A and compound B.
- Compound C preferably has a specific structure. That is, the compound C preferably has an aromatic ring (including a non-benzenoid aromatic ring) in order to obtain an optical material having a high refractive index.
- an aromatic ring including a non-benzenoid aromatic ring
- a molecular weight of 200 or less is preferred. It is liquid or solid, and the odor is weak and easy to handle. preferable.
- Disulfi other than Compound B In the case of an organic compound, in order to obtain an optical material with low yellowness, the molecular weight is preferably 300 or less. The liquid weight or solid state is weak and the odor is weak and easy to handle. Therefore, the molecular weight is preferably 150 or more.
- thiol compound having one SH group examples include methyl mercaptan, ethyl mercaptan, n-propyl mercaptan, n-butyl mercaptan, n-hexyl mercaptan, n-octyl mercaptan, n-decyl mercaptan, n- Dodecyl mercaptan, n-tetradecyl mercaptan, n-hexadecyl mercaptan, n-octadecyl mercaptan, isopropyl mercaptan, t-butyl mercaptan, t-nonyl mercaptan, t dodecyl mercaptan, arryl mercaptan, 2-mercaptoethanol, 2- (2-Mercaptoethylthio) ethanol, 3 mercapto 1,2 propanediol, 2 mercaptan
- 1-mercaptomethylfuran, 2-mercaptoethanol, cyclohexyl mercaptan and a thiol compound having an aromatic ring more preferably thiophenol, 2-methylthiophenol, 3-methylthiophenol
- a thiol compound having an aromatic ring such as 4-methylthiophenol, benzyl mercaptan, 4-clonal benzyl mercaptan, and more preferably benzylmercaptan.
- disulfide compounds other than Compound B include dimethyl disulfide, dimethyl disulfide, di-n-propyl disulfide, di-n-butyl disulfide, di-n xyl disulfide, di-n-io.
- disulfide compounds having an aromatic ring such as diphenyl disulfide, di-p-tolyl disulfide, bis (chlorophenol) disulfide, dinaphthyl disulfide, disulfide. Furfuryl disulfide and dipyridyl disulfide are more preferred. Difuryl-disulfide force S is more preferred.
- Compound C can be used alone or in combination of two or more.
- the solid inorganic compound A is easily handled, and the resulting optical material is also excellent in transparency. Therefore, a part or all of the inorganic compound A and the compound B is preliminarily polymerized. It is preferable.
- the prepolymerization may be performed in the presence of a prepolymerization catalyst.
- the prepolymerization catalyst include compounds exemplified as the polymerization catalyst described later, and among them, a compound containing a nitrogen or phosphorus atom and a compound having an unsaturated bond are more preferable. . More preferred are imidazoles, and particularly preferred is 2-mercapto-1-methylimidazole.
- the addition amount of the prepolymerization catalyst is preferably 0.001 to 5 parts by weight, more preferably 0.002 to 5 parts by weight, with respect to 100 parts by weight of the total of inorganic compound A and compound B. Preferably it is 0.005 to 3 parts by weight.
- Inorganic compound A and compound B are maintained at the prepolymerization temperature for a certain period of time in the presence or absence of a prepolymerization catalyst, with or without stirring.
- the prepolymerization time is preferably 1 minute to 72 hours, more preferably 10 minutes to 48 hours, and even more preferably 30 minutes to 24 hours.
- the prepolymerization temperature is preferably from 0 to 150 ° C, more preferably from 10 to 120 ° C, still more preferably from 20 to 100 ° C.
- prepolymerize 10 to 70% by weight of inorganic compound A before the start of prepolymerization it is more preferable to prepolymerize 20 to 60% by weight.
- the prepolymerization can be carried out in the atmosphere or in an atmosphere containing a gas such as nitrogen or oxygen, under open or sealed conditions, at normal pressure, reduced pressure or increased pressure.
- the prepolymerization may be performed in the presence of various additives such as a part or all of Compound C, a polymerization catalyst, a polymerization regulator, a performance improver described later, and an ultraviolet absorber.
- the reaction mixture is analyzed by liquid chromatography during the prepolymerization (quantification of prepolymerized inorganic compound A), and the viscosity, specific gravity, refractive index, etc. Is preferably measured. It is more preferable because liquid chromatography analysis and refractive index measurement are highly sensitive, and the preferred refractive index measurement is simple. In refractive index measurement, the progress of the reaction can be confirmed in real time. Therefore, it is preferable to use an inline refractometer. For example, the refractive index of the reaction system is about
- the prepolymerization is stopped when the temperature reaches 65 (20 ° C), the prepolymerization can be carried out without polymerization and curing even when a polymerization catalyst is included.
- the degassing treatment is performed under reduced pressure before, during or after mixing the performance improver, polymerization catalyst, polymerization regulator and other various additives. Preferably, it is performed under reduced pressure during or after mixing.
- the degree of reduced pressure is preferably 0.001 to 50 Torr, more preferably 0.005 to 25 Torr, and still more preferably 0.01 to: LOTorr.
- the deaeration treatment time is preferably 1 minute to 24 hours, more preferably 5 minutes to 18 hours, and even more preferably 10 minutes to 12 hours.
- the degassing treatment temperature is preferably 0 to 100 ° C, more preferably 5 ° C to 80 ° C, still more preferably 10 ° C to 60 ° C, and may be varied within the above range.
- the degassing process mainly removes dissolved gases such as hydrogen sulfide and low boiling point substances such as low molecular weight mercabtan.
- the viscosity of the composition of the present invention is not particularly limited as long as the casting polymerization operation can be performed satisfactorily, but is preferably 150 mPa's or less, more preferably lOOmPa's or less.
- casting polymerization operation is easy when it is 150 mPa's or less. If it exceeds 150 mPa's, casting polymerization operation (filtration) becomes difficult, and if it exceeds 400 mPa's, casting polymerization operation (filtration) becomes impossible. In industrial production, the casting operation requires about 3 hours, so it is preferable that the viscosity of the composition does not increase during this time.
- the above viscosity is obtained by prepolymerizing inorganic compound A and compound B until the refractive index becomes 1.67 to: L 69 (20 ° C.), then 10 Torr for 30 minutes. This is the value when measured at 20 ° C immediately after degassing at 20 ° C.
- Polymerization catalysts include amines, phosphines, quaternary ammonium salts, quaternary phosphonium salts, condensates of aldehydes and amine compounds, ammonium salts of carboxylic acids, urethanes, Thiouurethanes, Guazines, Thioureas, Thiazoles, Rufenamides, thiurams, dithiocarbamates, xanthates, tertiary sulfonium salts, secondary jordanium salts, mineral acids, Lewis acids, organic acids, key acids, tetrafluoroboric acids, peroxides Azo compounds and acidic phosphates. Below, the typical example of a polymerization catalyst is shown.
- Ethylenediamine 1,2 diaminopropane, 1,3 diaminopropane, 1,2 diaminobutane, 1,3 diaminobutane, 1,4-diaminobutane, 1,5 diaminopentane, 1,6 diaminohexane, 1,7 diaminoheptane, 1, 8 Diaminooctane, dimethylaminopropylamine, jetylaminopropylamine, bis (3aminopropyl) ether, 1,2bis (3aminopropoxy) ethane, 1,3bis (3aminopropoxy)- 2,2, -dimethylpropane, aminoethylethanolamine, 1,2-, 1,3 or 1,4 bisaminocyclohexane, 1,3 or 1,4 bisaminomethylcyclohexane, 1,3 or 1,4 bisaminoethylcyclohexane, 1,3 or 1,4 bisaminopropyl cyclohexane,
- Jetylamine dipropylamine, di-n-butylamine, disec-butylamine, diisobutylamine, di-n-pentylamine, di-3-pentylamine, dihexylamine, octylamine, di (2-ethylhexyl) amine, methylhexylamine, diaryl Amines, pyrrolidines, piperidines, 2—, 3 or 4 picolines, 2, 4—, 2, 6 or 5 3,5 arpetidine, diphenylamine, ⁇ —methylaniline, cetylaniline, dibenzilamine, methylbenzylamine Secondary amines such as dinaphthylamine, pyrrole, indoline, indole, morpholine;
- Trimethylphosphine triethylphosphine, triisopropylphosphine, tri-n-butylphosphine, tri-n-hexylphosphine, tri-n-octylphosphine, tricyclohexylphosphine, triphenylphosphine, tribenzylphosphine, tris (2-methylphenyl) phosphine, tris (3-methylphenyl) phosphine, tris (4-methylphenyl) phosphine, tris (jetylamino) phosphine, tris (4-methylphenyl) phosphine, dimethylphenylphosphine, Jetylphenylphosphine, dicyclohexylphenylphosphine, ethyldiphenylenophosphine, diphenylcyclohexylenophosphine, chlorodiphenylphosphine, and the like
- Reaction product of cetaldehyde and ammonia condensate of formaldehyde and paratoluidine, condensate of acetoaldehyde and paratoluidine, reaction product of formaldehyde and arrine, reaction product of cetaldehyde and aniline, reaction product of butyraldehyde and aniline Reactant, formaldehyde, reaction product of cetaldehyde and aniline, reaction product of acetoaldehyde, butyraldehyde and aniline, condensate of butyraldehyde and monobutylamine, reaction product of butyraldehyde and butylidaniline, heptaldehyde Reaction product of aniline and aniline, reaction product of tricrotonylidene and tetramine, condensate of a-ethyl- ⁇ -propylacrolein and arrine, condensate of formaldehyde and alkylimidazole.
- Ammonium acetate ammonium benzoate, ammonium rubamate, ammonium trifluoroacetate, etc.
- Thiocarbo-lide diortolylthiourea, ethylenethiourea, jetylthiourea, dibutylthiourea, dilaurylthiourea, trimethylthiourea, dimethylethylthio Urea, tetramethylthiourea, 1,3 diphenol-2 thiourea, 1-aryl-2 thiourea, galthiourea, etc.
- Second-class edonyum salts Diphenylenoreodonium Chloride, Difenenorenovium Bromide, Difenenoreudomumuide, etc.
- Hydrochloric acid sulfuric acid, nitric acid, phosphoric acid, carbonic acid, etc., and their half esters.
- 2,2'-azobis (4-methoxy-1,2,4 dimethylvale-tolyl), 2,2'-azobis (2-cyclopropylpropio-tolyl), 2,2, -azobis (2,4 dimethylvale-tolyl) ), 2, 2, -azobisisobutyor-tolyl, 2,2, -azobis (2-methylbutyoritol-tolyl), 1,1,1azobis (cyclohexane-1- 1-carbo-tolyl), 1-[(1 —Cyanol 1-methylethyl) azo] formamide, 2 phenolazo-4-methoxy-2-, 4-dimethyl-valero nitrile, 2, 2'-azobis (2-methylpropane), 2, 2'-azobis ( 2, 4, 4 trimethylpentane).
- the polymerization catalyst is not limited to the above compound.
- These polymerization catalysts can be used alone or in combination of two or more.
- preferred specific examples include tetra-n-butyl ammonium bromide, triethylbenzyl ammonium chloride, cetyldimethylbenzyl ammonium chloride, quaternary ammonium salts such as 1-n-dodecylpyridyl-um chloride, and tetra — Quaternary phospho-um salt such as n-butyl phospho-mu-bromide, tetra-phenyl phospho-mu-bromide, etc.
- Triethyl benzyl ammo-um chloride and tetra-n-butyl phospho-mu-bromide are more preferred, and tetra-n-butyl phospho-nimu bromide is preferred. Further preferred.
- the addition amount of the polymerization catalyst is preferably 0.001 to 5 parts by weight, more preferably 0.002 to 5 parts by weight with respect to 100 parts by weight of the total of inorganic compound A and compound B. Preferably it is 0.005-3 weight part.
- a polymerization regulator can be blended as necessary to extend the pot life and disperse the heat of polymerization.
- the polymerization regulator include halogenated compounds of Group 13 to 16 elements in the long-term periodic table. The following are typical examples of these.
- Silicon tetrachloride methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, ethyltrichlorosilane, jetyldichlorosilane, triethylchlorosilane, propyltrichlorosilane, dipropyldichlorosilane, tripropylchlorosilane, n-butyltrichlorosilane, Di-n-butyldichlorosilane, tri-n-butylchlorosilane, t-butyltrichlorosilane, di-t-butyldichlorosilane, tri-t-butylchlorosilane, octylchlorosilane, dioctyldichlorosilane, trioctylchlorosilane, phenyltrichlorosilane, diph Anyyl dichlorosi
- Germanium tetrachloride methylgermanium trichloride, dimethylgermanium dichloride, trimethylgermanium chloride, ethylgermanium trichloride, jetylgenremanium dichloride, triethinoreggenoleumonium chloride, propinoreggenolemanium trichloride, dipropyl Germanium dichloride, tripropylgermanium chloride, n-butylgermanium trichloride, g-n-butylgermanium dichloride, tree-n-butylgermanium chloride, t-butylgermanium trichloride, tert-butylgermanium dichloride, tree-t-butylgermanium chloride, amylgermium-trimethylchloride , Diamil germanium dichloride, triamyl germanium chlora De, O Chi Le germanium trichloride, di-O-lipped Le germanium dichlor
- Ditoluylgermanium dichloride tritoluylgermanium chloride, benzylgermanium trichloride, dibenzylgermanium dichloride, tribenzylgermanium chloride, cyclohexylgermanium trichloride, dicyclohexylenoregumareumum dichloride, tricyclohexylgermanium chloride, bur Germanium Tric Oral Ride, Dibule Germanium Dichloride, Tribylgermanium Chloride, Aryl Trichlorogenoreman, Bis (Chloromethinore) Dimethinoregenoreman, Chloromethinotritrichlorogenoleman, Tobutino Resimethinorechlorogenoreman, Kanoleboki Shechinoretrichlorogenoreman, chloromethyltrimethylgermane, dichloromethyltrimethylgermane , 3 black port trimethoxy black port germane, Hue - Rujimechiruk
- Chlorides such as aluminum chloride, indium chloride, chloride chloride, phosphorus trichloride, phosphorus pentachloride, bismuth chloride; diphenylchloroboron, phenyl dichlorine boron, jetylchlorogallium, dimethylchlorodiethyl, indium jetyl Halogens such as thallium, diphenylchlorothallium, ethyl dichlorophine phosphine, butyl dichlorophine phosphine, triphenylphosphine diphloride, diphenylchloroarsenic, tetraphenylchloroarsenic, diphenyldichlorodioxelene, phenyl-norlochloroselenium, diphenyldichlorodill And compounds having a hydrocarbon group; chlorophenol, dichlorophenol, trichlorophenol, chloroaniline, dichloroaniline, chlor
- Halogen compounds obtained by substituting all or part of the chlorine in the above salt with at least one of fluorine, bromine and iodine can also be used as the polymerization regulator.
- These polymerization regulators may be used alone or in combination of two or more.
- preferred are halides of silicon, germanium, tin and antimony. More preferred are chlorides of silicon, germanium, tin and antimony, and further preferred are chlorides of germanium, tin and antimony having an alkyl group.
- Particularly preferred are dibutyltin dichloride, butyltin trichloride, dioctyltin dichloride, octyltin trichloride, dibutyldichlorogermanium, butyltriclogergermanium, dipheninoresi-chlorogenolemanium, and phenoletretrichloro. Genolemanium, triphenylantimony dichloride.
- the blending amount of the polymerization regulator is preferably 0.001 to 5 parts by weight, more preferably 0.002 to 5 parts by weight based on 100 parts by weight of the total of inorganic compound A and compound B. Part, and Is preferably 0.005 to 3 parts by weight.
- Performance improvers include compounds having two or more SH groups, epoxy compounds, iso (thio) cyanates, carboxylic acids, carboxylic anhydrides, phenols, amines, beer Examples include compounds, aryl compounds, acrylic compounds, and methacrylic compounds. The typical examples of these are shown below.
- Mono-epoxy compounds such as ethylene oxide and propylene oxide; condensation of polyquinone phenolic compounds such as hydroquinone, force tecol, resorcin, bisphenol nore A, bisphenol nore F, bisphenol ether, halogenated bisphenol A, novolac resin and epihalohydrin Phenolic epoxy compounds produced by
- Ethylenediamine 1,2 diaminopropane, 1,3 diaminopropane, 1,2 diaminobutane, 1,3 diaminobutane, 1,4-diaminobutane, 1,5 diaminopentane, 1,6 diaminohexane, 1,7 diaminoheptane, 1, 8 Diaminooctane, bis (3-aminopropyl) ether, 1,2 bis (3aminopropoxy) ethane, 1,3 bis (3aminopropoxy) 2,2'-dimethylpropane, 1, 2—, 1, 3 Or 1, 4 Bisaminosi Chlohexane, 1,3 or 1,4 Bisaminomethylcyclohexane, 1,3 or 1,4 Bisaminoethylcyclohexane, 1,3 or 1,4 Bisaminopropyl cyclohexane, Hydrogenated 4 , 4, -diaminodiphenol-isomethane, isophor
- Epoxy compounds produced by epoxy compounds of unsaturated compounds such as cyclopentadiene epoxides, epoxies soybean oil, epoxies polybutadiene, vinylcyclohexene epoxides; and
- Epoxy compounds having an unsaturated group such as burfellyl glycidyl ether, burbenzyl glycidyl ether, glycidyl metatalylate, glycidyl attalylate and allyl glycidyl ether.
- a dimer of the polyisocyanates by a bullet-type reaction Cyclized trimers of the above polyisocyanates;
- Adducts of the above polyisocyanates with alcohols or thiols Adducts of the above polyisocyanates with alcohols or thiols;
- Isothiocyanates in which all or part of the isocyanate groups of the above compounds are changed to isothiocyanate groups.
- the curable composition of the present invention can be produced, for example, as follows.
- Inorganic compound A and compound B are pre-polymerized by the above-described method, and compound C is added to the pre-polymerized reaction product, and a polymerization catalyst, a polymerization regulator, a performance improver, an adhesion improver or a mold release improver.
- Add various additives such as antioxidants, bluing agents, UV absorbers and deodorants.
- the prepolymerization may be performed in the presence of Compound C, a polymerization catalyst, a polymerization regulator, a performance modifier, and other optional additives.
- Inorganic compound A, compound B, compound C and other optional components may all be mixed together under stirring in the same container, or each raw material may be added and mixed in stages. Also, several components may be mixed in different containers and then mixed in the same container. V, can be mixed in any order! / ,.
- the mixing temperature, the time required for mixing, etc. are basically the conditions under which each component is sufficiently mixed. However, an excessively high temperature and a long period of time cause undesirable reactions between the raw materials and additives, and further increase the viscosity, making the casting operation difficult.
- the mixing temperature is preferably 50 to 100 ° C, more preferably 30 to 70 ° C, more preferably -5 to 50 ° C.
- the mixing time is preferably 1 minute to 12 hours, more preferably 5 minutes to 10 hours, and even more preferably 5 minutes to 6 hours. If necessary, the active energy ray may be blocked and mixed. After mixing, deaeration treatment is performed by the above-described method.
- the pore size of the filter is about 0.05 to 10 m, and generally 0.1 to 1.0 m is used.
- a filter material PTFE, PET, PP, or the like is preferably used.
- the curable composition thus obtained is injected into a glass or metal mold, and then polymerized and cured by a conventionally known method using an electric furnace, an active energy ray generator, or the like.
- the polymerization time is 0.1 to 100 hours, usually 1 to 48 hours, and the polymerization temperature is 10 to 160 ° C, usually 10 to 140 ° C.
- Polymerization is an operation of holding at a predetermined polymerization temperature for a predetermined time, an operation of increasing a temperature from 0.1 ° C to 100 ° C / h, an operation of decreasing a temperature from 0.1 ° C to 100 ° C / h, and these operations Can be done in combination.
- annealing the cured product at a temperature of 50 to 150 ° C. for about 5 minutes to 5 hours is a preferable U treatment for removing distortion of the optical material.
- surface treatments such as dyeing, hard coating, antireflection, antifogging, antifouling, and impact resistance can be performed as necessary.
- the refractive index of the optical material obtained as described above is preferably 1.72 or more, more preferably 1.73 or more, further preferably 1.74 or more, and particularly preferably 1.75 or more.
- Viscosity was measured using a B-type viscometer immediately after degassing at 20 ° C and after 3h, or immediately after degassing at 30 ° C and after 0.5h, lh, 2h and 3h.
- casting polymerization operation is easy at 150 mPa's or less, casting polymerization operation (filtration) becomes difficult when it exceeds 150 mPa's, and casting polymerization operation (filtration) becomes impossible when it exceeds 400 mPa's.
- Measurement was performed at 20 ° C using an Abbe refractometer.
- thermomechanical analyzer Using a thermomechanical analyzer (TMA), a sample cut to a thickness of 3mm was heated from 30 ° C to 10 ° CZ, and a pin with a tip diameter of lmm ⁇ was inserted into the sample with a weight of 10g and softened. ⁇ spot was measured.
- the softening point is preferably 50 ° C or higher, more preferably 70 ° C or higher. If it is less than 30 ° C, it is difficult to put it into practical use as a lens.
- the yellowness (YI value) of a 2.5 mm thick flat plate was measured. The higher the YI value, the more yellow the lens, so 5 or less is preferred, and 3 or less is more preferred. If it is 10 or more, practical application as a lens is difficult.
- inorganic compound A 20 parts by weight of sulfur (A1) and as compound B, 80 parts by weight of bis (-epithiopropyl) sulfide (B1) were mixed well at 65 ° C. to make uniform.
- 0.5 parts by weight of 2-mercapto 1-methylimidazole (preliminary polymerization catalyst) is added, and the reaction system is preliminarily maintained at 60 ° C for about 1 hour until the refractive index of the reaction system (20 ° C) reaches 1.679. Polymerized.
- Example 1 was repeated except that the amount of compound C (C1) was changed. The result of each evaluation is the first
- Example 1 was repeated except that the type of compound C was changed. The results of each evaluation are shown in Table 1.
- Example 1 was repeated except that Compound C was not used.
- the results of each evaluation are shown in Table 1. Since Compound C was not used, the viscosity of the composition was high immediately after the degassing treatment and after 3 hours. In particular, the viscosity after 3 hours was so high that filtration was impossible. The color of the cured product (lens) obtained was extremely poor (YI value was high), yellow, and not a practical lens.
- Example 1 was repeated except that 5 parts by weight of bis (2-mercaptoethyl) sulfide (Ol) having two SH groups was used instead of C1.
- the results of each evaluation are shown in Table 1. Since Compound C was not used, the viscosity of the composition immediately after the degassing treatment and after 3 hours was high. In particular, the viscosity was extremely high after 3 hours, and filtration was impossible.
- Example 1 was repeated except that 7 parts by weight of Ol was used instead of C1.
- the results of each evaluation are shown in Table 1. Since compound C was not used, the viscosity of the composition was high immediately after the degassing treatment and after 3 hours. In particular, the viscosity after 3 hours was so high that filtration was impossible.
- composition parts by weight
- Viscosity (mPa's) Refractive index Abbe number Heat resistance Color tone Immediately 3 h later n e va (° C) (YI)
- Viscosity (mPa's) Refractive index Abbe number Heat resistance Color tone Immediately 3 h later n e va (° C) (YI)
- Example 10 Inorganic compound A: 24 parts by weight of sulfur (Al), Compound B: 76 parts by weight of bis (-epithiopropyl) sulfide (B1), Compound C: 5 parts by weight of di-disulfide (C8) are mixed well at 65 ° C and homogeneously mixed It was. Next, 0.5 parts by weight of 2-mercapto-1-methylimidazole was added, and prepolymerization was performed at 60 ° C. for about 1 hour until the refractive index (20 ° C.) of the reaction system reached 1.689.
- the resulting composition was mixed with 0.03 parts by weight of triethylbenzyl ammonium chloride (polymerization catalyst), 0.2 parts by weight of di-n-butyltin dichloride (polymerization regulator), A solution containing 5 parts by weight of bis (2 mercaptoethyl) sulfide (01) was added and mixed well to make uniform.
- the obtained curable composition was degassed under the conditions of 10 torr and 10 minutes at 30 ° C.
- the obtained deaeration-curable composition was filtered through a 0.5 m PTFE membrane filter and poured into a flat plate mold having a thickness of 2.5 mm composed of two glass plates and a gasket. The mixture was heated at 30 ° C.
- Example 10 was repeated except that the composition in Table 2 was changed. The results of each evaluation are shown in Table 2 and Figure 1.
- Example 10 was repeated except that Compound C was not used.
- the results of each evaluation are shown in Table 2 and Figure 1.
- Fig. 1 since compound C was not used, the viscosity of the composition was high immediately after the degassing treatment and after 3 hours. In particular, filtration with extremely high viscosity after 3 hours was impossible.
- the curable composition of the present invention contains an inorganic compound having a sulfur atom and Z or selenium atom, the increase in viscosity due to prepolymerization and degassing treatment is small. Therefore, the casting polymerization operation of the curable composition is facilitated, and the production efficiency of the cured product used for the optical material is increased.
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- Medicinal Chemistry (AREA)
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AU2006248388A AU2006248388B2 (en) | 2005-05-19 | 2006-05-18 | Curable composition |
CN2006800171672A CN101175792B (zh) | 2005-05-19 | 2006-05-18 | 固化性组合物 |
US11/912,929 US8642718B2 (en) | 2005-05-19 | 2006-05-18 | Curable composition |
EP06746595.5A EP1882713B1 (en) | 2005-05-19 | 2006-05-18 | Curable composition |
KR1020077024372A KR101354344B1 (ko) | 2005-05-19 | 2006-05-18 | 경화성 조성물 |
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WO2009101867A1 (ja) * | 2008-02-13 | 2009-08-20 | Mitsubishi Gas Chemical Company, Inc. | 樹脂用組成物およびそれを含む光学レンズ |
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KR101354344B1 (ko) | 2014-01-22 |
US20090018308A1 (en) | 2009-01-15 |
AU2006248388B2 (en) | 2011-12-01 |
EP1882713A1 (en) | 2008-01-30 |
EP1882713A4 (en) | 2010-10-06 |
KR20080007562A (ko) | 2008-01-22 |
CN101175792B (zh) | 2011-01-26 |
CN101175792A (zh) | 2008-05-07 |
EP1882713B1 (en) | 2013-07-03 |
US8642718B2 (en) | 2014-02-04 |
AU2006248388A1 (en) | 2006-11-23 |
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