WO2017191960A1 - Composition de résine durcissable par rayonnement uv, procédé permettant de la durcir, et produit durci l'utilisant - Google Patents

Composition de résine durcissable par rayonnement uv, procédé permettant de la durcir, et produit durci l'utilisant Download PDF

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Publication number
WO2017191960A1
WO2017191960A1 PCT/KR2017/004622 KR2017004622W WO2017191960A1 WO 2017191960 A1 WO2017191960 A1 WO 2017191960A1 KR 2017004622 W KR2017004622 W KR 2017004622W WO 2017191960 A1 WO2017191960 A1 WO 2017191960A1
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Prior art keywords
curable resin
resin composition
weight
curing
parts
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PCT/KR2017/004622
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English (en)
Korean (ko)
Inventor
이호준
신학열
Original Assignee
지스마트 주식회사
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Publication of WO2017191960A1 publication Critical patent/WO2017191960A1/fr

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Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen
    • C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
    • C08G18/6725—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen containing ester groups other than acrylate or alkylacrylate ester groups
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • 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
    • C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G2261/50—Physical properties
    • C08G2261/57—Physical properties photorefractive, e.g. change of refractive index
    • 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
    • C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G2261/50—Physical properties
    • C08G2261/63—Viscosity
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/10—Transparent films; Clear coatings; Transparent materials

Definitions

  • the present invention relates to a UV (ultraviolet) curable resin composition, a curing method thereof and a cured product using the same, and more particularly, a transparent UV curable resin composition based on aliphatic urethane acrylate oligomers having a viscosity of less than 100 mPa ⁇ s and By controlling to have a glass-like density, using a UV curable resin composition, a method for curing the UV curable resin composition and the UV curable resin composition, which can be applied to the glass surface and prevent scattering and refraction upon light transmission after UV curing. It relates to a cured product.
  • UV curable resin composition generally consists of an oligomer, a reactive monomer, a photoinitiator, an additive, etc.
  • the UV curable resin composition is irradiated with ultraviolet rays, radicals are generated from the photoinitiator, and the generated radicals attack the double bonds in the oligomer and the reactive monomer to induce crosslinking of the three-dimensional network structure, thereby curing the UV curable resin composition.
  • a solid coating will be formed.
  • the urethane acrylate oligomer has the advantages of good reactivity and excellent hardness, adhesion, chemical resistance, etc. of the cured coating film, but has a disadvantage of poor workability and poor weather resistance due to the high viscosity of the paint.
  • the viscosity (25 ° C) of the composition is 100 mPa ⁇ s or more, bubbles are likely to occur in the blending process, and bubbles may also occur in the process of applying or injecting the object for application according to the use. Workability is thereby reduced.
  • the composition is used as a pressure-sensitive adhesive layer in the optical device, such as the Korean Patent Publication, if bubbles exist inside the pressure-sensitive adhesive layer, this may cause scattering of light, which may degrade the performance of the optical device.
  • JP 05-039343 A describes a photocurable composition using a urethane (meth) acrylate oligomer.
  • the photocurable composition of the JP Patent Application can be applied to glass
  • the UV curable resin composition applied to the glass surface preferably has affinity with the glass surface without spoiling the transparency of the glass.
  • the photocurable composition disclosed in Japanese Patent Laid-Open is designed to paint a plastic surface, and has a low affinity with glass, which makes it difficult to use in glass, that is, the transparency of glass may be impaired. When the prepared coating film is applied to the glass surface, surface adhesion and workability may be reduced.
  • the first object of the present invention for solving this problem is to control the transparent UV curable resin composition based on aliphatic urethane acrylate oligomer to have a viscosity of less than 100 mPa ⁇ s and a density comparable to glass. It is to provide a UV curable resin composition that can minimize scattering and prevent refraction when applied to a glass surface.
  • a 2nd objective is to provide the hardening method of a UV curable resin composition for applying the said UV curable resin composition to a glass surface.
  • a third object is to provide a cured product using the UV curable resin composition, which can prevent scattering and refraction when applied to glass.
  • the present invention comprises an aliphatic urethane acrylate oligomer, reactive monomer, adhesion promoter, photoinitiator, antifoaming agent, wetting agent, and coupling agent, characterized in that the viscosity at 25 °C is less than 100 mPa ⁇ s It provides a UV curable resin composition.
  • the UV curable resin composition comprises about 65 parts by weight to about 70 parts by weight of the aliphatic urethane acrylate oligomer, about 19 parts by weight to about 32 parts by weight of the reactive monomer, and about 2 parts by weight to about 6 parts by weight of the adhesion promoter.
  • the UV curable resin composition may have a density of about 0.85 to about 3 g / cm 3 .
  • the UV curable resin composition may have a contact angle with respect to glass of about 10 degrees or less.
  • the UV curable resin composition may have a light transmittance of about 95% or more.
  • the UV curable resin composition may be less than 15% by volume shrinkage upon curing.
  • the present invention provides a curing method of the UV curable resin composition, comprising the step of completely curing the UV curable resin composition by irradiating the UV curable resin composition with UV.
  • the maximum temperature at the time of curing may be less than 100 °C.
  • the present invention provides a cured product, wherein the cured product is a cured product using the UV curable resin composition, wherein the UV curable resin composition is completely cured.
  • the cured product may have a refractive index of about 1.4 to about 1.6.
  • the cured product may have a haze value of less than 1%.
  • the cured product may have an elongation at break of about 100% to about 1000%.
  • the cured product may have a light transmittance of about 95% or more.
  • the UV curable resin composition of this invention When the UV curable resin composition of this invention is used, hardened
  • the UV curable resin composition is a transparent UV curable resin composition based on aliphatic urethane acrylate oligomer and controlled to have a viscosity of less than 100 mPa ⁇ s and a glass-like density, so that when applied to the glass surface and cured, Light scattering and refraction can be prevented.
  • the UV curable resin composition of the present invention has the property of being easily cured in response to UV, it can be used for the use of adhesives or sealants.
  • a and / or B means A or B, or A and B.
  • the present invention includes an aliphatic urethane acrylate oligomer, a reactive monomer, an adhesion promoter, a photoinitiator, an antifoaming agent, a wetting agent, and a coupling agent, and the UV curable resin composition is characterized in that the viscosity at 25 ° C. is less than 100 mPa ⁇ s. do.
  • the UV curable resin composition has a viscosity close to water, so that the flow is smooth when injected, and workability is excellent, and bubble generation is minimized. Can be. If bubbles are generated inside the UV-curable resin composition, light scattering may appear, which is inappropriate. That is, minimizing bubble generation by adjusting the viscosity at 25 ° C. to less than 100 mPa ⁇ s is preferable because it can prevent scattering of light. More preferably, the viscosity is about 1 mPa ⁇ s to about 10 mPa ⁇ s at 25 ° C., but may not be limited thereto.
  • the UV curable resin composition may have a density of about 0.85 g / cm 3 to about 3 g / cm 3 at 23 ° C.
  • the UV curable resin composition When the UV curable resin composition is applied to the glass, it is adjusted to have a density similar to that of the glass, so that light passes through the UV light through the UV curable resin composition, and the light at the interface between the glass and the UV curable resin composition It is desirable to prevent the refraction of from occurring.
  • the glass may be ordinary glass, and may be tempered glass having improved heat resistance and / or impact resistance.
  • the UV curable resin composition may have a contact angle with respect to glass of about 10 degrees or less, for example, about 0.5 degrees to about 10 degrees.
  • the contact angle of the UV curable resin composition to the glass is about 0.5 degrees to about 10 degrees, or about 0.5 degrees to about 5 degrees, or about 0.5 degrees to about 3 degrees, or about 5 degrees to about 10 degrees, or about 8 degrees. It is preferably from about 10 degrees, and more preferably, about 8 degrees to about 9 degrees, but may not be limited thereto.
  • the contact angle with respect to glass is 10 degrees or less, the UV curable resin composition has affinity for glass, and when the UV curable resin composition is applied to the glass surface, the UV curable resin composition bonds with the glass with a strong bonding force.
  • contact angle means that when a drop of a liquid of the UV curable resin composition is dropped on a glass surface existing in air, a droplet of the UV curable resin composition is generated, and the solid, liquid, and gas of the droplet are generated. It means the angle of the glass surface and the liquid surface measured inside the liquid at the three-phase contact point of.
  • the UV curable resin composition may have a light transmittance of about 95% to about 100% or about 98% to about 100%.
  • light transmittance of 95% or more can be achieved. It becomes impossible.
  • the UV curable resin composition may have a shrinkage rate of about 0% by volume to about 14.9% by volume during UV curing, most preferably no shrinkage, and close to 0% by volume at less than 15% by volume. It may not be limited.
  • the shrinkage ratio during curing of the UV curable resin composition is 15% by volume or more, bubbles may occur in the cured product, which is not suitable. If bubbles exist in the cured product, light scattering occurs in the cured product, and thus light refraction also appears. Since it is the final object of the present invention to prevent scattering and refraction of light in the cured product, it is important to control properties such as viscosity, density, light transmittance, shrinkage ratio and the like of the UV curable resin composition.
  • the shrinkage at the time of UV curing is about 0% by volume to about 10% by volume, and more preferably, the shrinkage at the time of UV curing is about 0% by volume to about 5% by volume.
  • this may not be limited.
  • the UV curable resin composition may contain about 65 parts by weight to about 70 parts by weight of the aliphatic urethane acrylate oligomer and about 19 parts by weight to about 32 parts by weight of the reactive monomer. From about 2 to about 6 parts by weight of the enhancer, from about 1 to about 2 parts by weight of the photoinitiator, from about 0.2 to about 0.8 parts by weight of the antifoaming agent, and from about 0.2 to about 0.8 parts by weight of the humectant. And from about 0.2 part to about 0.8 part by weight of the coupling agent.
  • the aliphatic urethane acrylate oligomer is a yellowing type and good flexibility can improve the adhesion of the UV curable resin composition. It is preferable that the said aliphatic urethane acrylate oligomer has a 2-10 functional group, and it is more preferable to have a bifunctional group.
  • the UV curable resin composition contains an aliphatic urethane acrylate oligomer of less than 65 parts by weight, it may cause adhesion and flexibility deterioration after UV curing, when contained in more than 70 parts by weight, the viscosity of the composition is increased Workability can be reduced.
  • the photoinitiator can be used that becomes active by UV.
  • the photoinitiator is 1-hydroxy cyclohexyl phenyl ketone, 1-hydroxy-2-methyl-1-phenylpropane-1-ketone (1-hydroxy-2-methyl
  • the content of the photoinitiator in the UV-curable resin composition is less than 1 part by weight, there is a high possibility that the curing does not proceed sufficiently, and when it exceeds 2 parts by weight, the production cost may increase and unreacted photoinitiator may remain in the cured product. Storage stability may be reduced.
  • the antifoaming agent serves to remove bubbles present in the composition, and may use one or two or more selected from the group consisting of silicone oil, ethanol, octanol, cyclohexanol, ethylene glycol, and higher alcohols.
  • silicone oil ethanol, octanol, cyclohexanol, ethylene glycol, and higher alcohols.
  • the wetting agent serves to reduce the surface tension of the composition, and is used to make the surface tension of the composition similar to water so that the contact angle to the glass is about 8 to 9 degrees.
  • the content of the wetting agent in the UV curable resin composition may be adjusted to about 0.2 parts by weight to about 0.8 parts by weight to create a surface tension similar to water. When the amount of the wetting agent is less than 0.2 parts by weight, the surface tension reduction effect is minimal.
  • the contact angle with respect to it may exceed 10 degrees, and if it contains more than 0.8 parts by weight, it will lead to an increase in production cost and is not suitable.
  • the coupling agent serves to increase the interfacial adhesion between the UV curable resin composition and glass and to improve the adhesion of the composition.
  • a silane coupling agent may be used.
  • the silane coupling agent for example, vinyl tris (2-methoxyethoxy) silane, vinyl triethoxysilane, vinyl trimethoxysilane (vinyl) trimethoxysilane), and one or two or more selected from the group consisting of vinyl methyldimethoxysilane.
  • the content of the coupling agent in the UV-curable resin composition is less than 0.2 parts by weight, the effect of improving the adhesion of the composition is insignificant, and thus it is impossible to achieve an improvement in the bonding strength between the cured product and the glass. It is not suitable to cause.
  • the said UV curable resin composition is a solvent-free state which does not contain a solvent, and it is preferable that a property is colorless and transparent. Accordingly, as the components forming the UV curable resin composition of the present invention, it is preferable to use colorless and transparent ones, but is not limited thereto.
  • the UV curable resin composition may be used for the use of an adhesive or sealant, and may be cured by UV after being applied or injected into the use of the adhesive or sealant.
  • the present invention provides a curing method of the UV curable resin composition, comprising the step of completely curing the UV curable resin composition by irradiating UV to the UV curable resin composition.
  • the step is to perform curing by UV, it is possible to obtain a cured product from the UV curable resin composition.
  • Curing at this time may be carried out in a UV curing apparatus, the temperature inside the UV curing apparatus is preferably less than 100 °C, or less than about 90 °C, for example, about 40 °C to about 90 °C.
  • the UV curable resin composition may optionally be used as an adhesive or sealant in a light emitting device such as an LED chip.
  • the UV curable resin composition may be coated or injected into the light emitting device, and then subjected to curing. If the curing temperature exceeds 100 ° C. in the process, the light emitting device may be injured by heat. Therefore, the temperature inside the UV curing device may be controlled to less than 100 ° C., but may not be limited thereto. .
  • Curing in this step may be carried out by UV having an energy density of about 1000 mJ / cm 2 to about 2500 mJ / cm 2 .
  • the UV is about 1000 mJ / cm 2 to about 2500 mJ / cm 2 , or about 1000 mJ / cm 2 to about 2000 mJ / cm 2 , or about 1000 mJ / cm 2 to about 1500 mJ / cm 2 , or about 1500 irradiated with a UV lamp having a dosage of mJ / cm 2 to about 2500 mJ / cm 2 , or about 2000 mJ / cm 2 to about 2500 mJ / cm 2 .
  • the UV curable resin composition comprises about 65 parts by weight to about 70 parts by weight of the aliphatic urethane acrylate oligomer, about 19 parts by weight to about 32 parts by weight of the reactive monomer, and about 2 parts by weight to about 6 parts by weight of the adhesion promoter.
  • the UV curable resin composition may shrink in response to UV, so that the shrinkage of the UV curable resin composition may be reduced to suppress bubbles in the cured product. It is preferably less than 15% by volume.
  • the UV curable resin composition further increases light transmittance upon curing.
  • the cured product is completely cured. If the cured product contains an unreacted photoinitiator so that the cured product can be cured again by UV, the storage stability is inferior.
  • the cured product preferably has a light transmittance of about 95% or more, or about 95% to about 100%, or about 98% to about 100%. This is important for having good transparency, and in order for the cured product to have excellent transparency, a haze (haze value) must achieve a value close to zero. Accordingly, the haze value of the cured product is preferably less than 1%, for example about 0.01% to about 0.99%. When the haze value exceeds 1%, light scattering occurs and the cured product is difficult to have transparency, and irregular refraction of light occurs.
  • the UV curable resin composition further increases light transmittance upon curing.
  • the cured product preferably has a refractive index of about 1.4 to about 1.6.
  • the cured product is adjusted to have a refractive index similar to that of glass, and then the glass and the cured product are exposed when the cured material is brought into intimate contact with the glass and irradiated with light passing through the glass to transmit the cured product. It can be controlled so that the refraction of light does not occur at the interface.
  • the glass may be plain glass or tempered glass.
  • the cured product preferably has flexibility, tack, and excellent physical strength.
  • the elongation of the cured product may be about 100% or more.
  • the elongation may be about 100% to about 1000%, or about 100% to about 750%, or about 100% to about 500%, or about 100% to about 250%, or about 100% to about 200% , Or about 200% to about 1000%, or about 250% to about 1000%, or about 500% to about 1000%, or about 750% to about 1000%, or about 400% to about 600%.
  • the cured product may be applied to a light emitting device such as an LED chip, it should not appear a color change phenomenon in response to light.
  • the cured product may be used as an adhesive or a sealant in a glass having an LED chip, in which case the light of the LED light is completely transmitted without being scattered by the cured product or refracted at the interface with the glass. Clear light transmission is possible.
  • UV-curable resin compositions were prepared to have the compositions (weight ratios) of Tables 1 and 2 below.
  • Example 1 Example 2 Example 3 Aliphatic urethane acrylate oligomer 68 65 70 Acryloyl morpholine 13 10 15 Isobonyl Acrylate 8 6 10 Tetrahydrofurfuryl acrylate 5 3 7 Adhesion promoter 4 2 6 Photoinitiator 1.5 One 2 Antifoam 0.5 0.2 0.8 Humectant 0.5 0.2 0.8 Coupling agent 0.5 0.2 0.8
  • Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Comparative Example 5 Comparative Example 6 Comparative Example 7 Aliphatic urethane acrylate oligomer 60 75 68 68 68 68 68 Acryloyl morpholine 13 13 13 13 13 13 13 Isobonyl Acrylate 8 8 8 8 8 8 8 Tetrahydrofurfuryl acrylate 5 5 5 5 5 5 5 5 5 5 5 Adhesion promoter 4 4 4 4 4 4 4 Photoinitiator 1.5 1.5 3 1.5 1.5 1.5 1.5 1.5 1.5 Antifoam 0.5 0.5 0.5 0 0.5 0.5 0 Humectant 0.5 0.5 0.5 0.5 0 0.5 0 Coupling agent 0.5 0.5 0.5 0.5 0.5 0 0 0
  • Comparative Example 1 is a case containing a small amount of aliphatic urethane acrylate oligomer compared to Example 1
  • Comparative Example 2 is a case containing an excess of aliphatic urethane acrylate oligomer compared to Example 1
  • Comparative Example 3 Compared with Example 1, the photoinitiator is contained in an excessive amount
  • Comparative Example 4 is a case containing no antifoaming agent
  • Comparative Example 5 is a case containing no humectant
  • Comparative Example 4 is a case containing no coupling agent.
  • Example 1 was found to have a viscosity of less than 10 mPa ⁇ s at a level similar to water, and the contact angle was also found to have a level of 7 degrees, similar to that of water. In particular, Example 1 achieved a very high light transmittance of 97%.
  • UV curable resin compositions prepared in Examples and Comparative Examples were irradiated with UV of 2000 mJ / cm 2 for 2 minutes to photocure the UV curable resin compositions.
  • the temperature of the UV curable resin composition may be increased by UV irradiation, but it is preferable to control the temperature so that the temperature does not exceed 100 ° C during the curing reaction.
  • each UV curable resin composition prepared in Examples and Comparative Examples was applied to a glass plate with a thickness of 2 mm and then photocured with the UV lamp, according to JIS D 0202 The adhesion of each cured product was tested.
  • Example 1 was confirmed to have flexibility by having a significantly superior elongation compared to the comparative examples after curing, the refractive index was 1.46, which is similar to that of ordinary glass, and the haze value was confirmed as 0.3% of light It can be expected that there will be little scattering. It can be seen that the light transmittance of Example 1 was increased after curing.
  • Comparative Example 5 without the wetting agent, Comparative Example 6 without the coupling agent, and Comparative Example 7 without the antifoaming agent, the wetting agent, and the coupling agent were all deteriorated in adhesion, and the aliphatic urethane acrylate oligomer 60
  • Comparative Example 1 including parts by weight and Comparative Example 3 including 3 parts by weight of the photoinitiator can be seen that the adhesion and weather resistance is reduced.
  • Comparative Examples 4 and 7 that do not contain an antifoaming agent is confirmed that does not satisfy the refractive index and haze value of the present invention, from which the scattering and refraction of light is likely to occur.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Abstract

La présente invention décrit une composition de résine durcissable par rayonnement UV, un procédé permettant de la durcir, et un produit durci l'utilisant et, plus précisément, une composition de résine durcissable par rayonnement UV qui peut empêcher la diffusion et la réfraction lors de la transmission de lumière après avoir été appliquée à une surface de verre et le durcissement par rayonnement UV, en régulant une composition transparente de résine durcissable par rayonnement UV à base d'un oligomère d'acrylate d'uréthane aliphatique en vue de présenter une viscosité inférieure à 100 mPa s et une densité semblable au verre, un procédé de durcissement de la composition de résine durcissable par rayonnement UV, et un produit durci utilisant la composition de résine durcissable par rayonnement UV.
PCT/KR2017/004622 2016-05-03 2017-05-01 Composition de résine durcissable par rayonnement uv, procédé permettant de la durcir, et produit durci l'utilisant WO2017191960A1 (fr)

Applications Claiming Priority (2)

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KR10-2016-0054484 2016-05-03
KR1020160054484A KR101683800B1 (ko) 2016-05-03 2016-05-03 Uv 경화형 수지 조성물, 이의 경화 방법 및 이를 이용한 경화물

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KR101683800B1 (ko) * 2016-05-03 2016-12-09 지스마트 주식회사 Uv 경화형 수지 조성물, 이의 경화 방법 및 이를 이용한 경화물

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