Blue-violet light absorbing compositions including phenacrylonitrile compound, methods of making same, and products including same

Abstract

The present disclosure provides a blue-violet light absorbing composition comprising a polymer and a blue-violet light absorbing agent wherein the blue-violet light absorbing agent is a compound of formula (I): # imgabs0 # wherein R1 is a five-membered or six-membered heterocycloalkyl group containing 1 or 2 heteroatoms selected from the group consisting of oxygen atoms and nitrogen atoms, R2 is a heteroatom selected from the group consisting of oxygen atoms and nitrogen atoms, and R3 is a heteroatom selected from the group consisting of oxygen atoms and nitrogen atoms. The compound is unsubstituted or substituted by at least one of C1-8 alkyl,-OH,-N = O,-CN or halogen; and R2 and R3 are respectively and independently selected from H or C1-8 alkyl. The invention further provides a method for preparing the blue-violet light absorption composition, a blue-violet light absorption product and a preparation method of the blue-violet light absorption product.

Description

[Technical field]

[0001] The present disclosure relates to a blue-violet light absorbing composition, comprising a phenyl acrylonitrile compound, which can be applied to fields such as optical films and coatings; the present disclosure also relates to a method for preparing the blue-violet light absorbing composition, a blue-violet light absorbing product and a preparation method. [Background technology]

[0002] Visible light is divided into red, orange, yellow, green, blue, indigo and violet. Red light has the longest wavelength and violet light has the shortest wavelength. The shorter the wavelength, the higher the energy. A research report by German ophthalmologist Professor Richard Funk (RHWFunk) pointed out that continuous exposure to "inappropriate light" can cause dysfunction of the eyes, especially high-energy short-wave blue-violet light with a large amount of irregular frequencies emitted by trichromatic lamps and computer screens. Short-wave blue-violet light has high energy and can penetrate the lens directly to the retina, causing photochemical damage to the retina, directly or indirectly causing damage to macular cells, and causing macular degeneration in the long term.

[0003] Excellent blue-violet light absorbers must have the following two basic conditions: 1. They can filter blue-violet light; 2. They are light-colored; in addition, they must also have the characteristics of 3. resistance to high-temperature processing and high-temperature use environment; and 4. good light life. In high-end applications, the absorbance of blue-violet light absorbers to specific blue light bands needs to gradually decrease with the increase of wavelength, and blue light with longer wavelengths must have greater penetration. For example, in the wavelength range of 420nm to 460nm, the blue light transmitted by optical lenses needs to have a gradually increasing penetration of 50% to 100%, which can create a better visual feeling. Therefore, the conditions for being a blue-violet light absorber are extremely harsh. In addition, blue-violet light absorbers added to plastics need to be processed at high temperatures or used outdoors at high temperatures. Therefore, it is a very important condition to prepare materials with the characteristics of resistance to high-temperature processing. [Summary of the invention]

[0004] The present disclosure relates to a blue-violet light absorbing composition, which includes a compound of a specific structure of acrylonitrile, and can be applied to the fields of optical films and coatings. The optical film and coating are made of blue-violet light absorbing polymers, which can absorb blue-violet light to protect the eyes; they can also selectively absorb long-wavelength blue light, so that the penetrating light has a good visual effect. The composition disclosed in the present disclosure has the special advantages of light color and absorption of blue-violet light, and can be applied to technical fields such as plastics, coatings, inks, display devices, lighting, optical films, optical lenses, glasses, textiles, pressure-sensitive adhesives or sunscreen products, especially in the screen protection film or glasses industry of mobile phones, computers, televisions, etc., and has potential application prospects.

[0005] One aspect of the present disclosure provides a blue-violet light absorbing composition, which includes a polymer and a blue-violet light absorber, wherein the blue-violet light absorber is a compound of formula (I) as shown below: wherein R1 is a five-membered or six-membered heterocycloalkyl group containing 1 or 2 heteroatoms selected from the group consisting of oxygen atoms and nitrogen atoms, which is unsubstituted or C 1-8 alkyl, -OH, -N=O, -CN, or halogen; and R2 and R3 are each independently selected from H or C 1-8 alkyl.

[0006] In one embodiment, R1 is selected from unsubstituted or substituted pyrrolidinyl, tetrahydrofuranyl, Oxazolidinyl, isocyanate Oxazolidinyl, tetrahydropyranyl, piperidinyl, morpholinyl, 1,2- Azinyl, and 1,3- The group consisting of oxazinyl.

[0007] In one embodiment, R1 is selected from 4-morpholinyl, 1-piperidinyl, pyrrolidin-1-yl; R2 is selected from H, methyl, ethyl; and R3 is selected from H, methyl, ethyl.

[0008] In one embodiment, the blue-violet light absorber is selected from one of the following compounds or any combination thereof:

[0009] In one embodiment, the polymer is a curable transparent or translucent polymer.

[0010] In one embodiment, the polymer is selected from the group consisting of cellulose ester, polyamide, polyimide, polyurethane, epoxy resin, amino resin, polycarbonate, polyester, polyolefin, acrylic resin, polyoxymethylene, polysulfone, polyethersulfone, polyetherketone, polyetherimide, polyethylene oxide, polysilicone, liquid crystal polymer, or any combination thereof.

[0011] In one embodiment, the blue-violet light absorbing composition further includes one or more additional additives selected from the group consisting of: antistatic agent, defoaming agent, leveling wetting agent, thickener, dispersant, wax, matting agent, antibacterial agent, metal oxide light shielding agent, light stabilizer, heat stabilizer, antioxidant, peroxide scavenger, free radical scavenger, filler, rubber, food preservative, flame retardant, plasticizer, dye, pigment, brightener, fluorescent whitening agent, anti-aging agent, metal stabilizer, acid absorber, anti-hydrolysis agent, and any combination of at least two of the aforementioned additives.

[0012] In one embodiment, the blue-violet light absorbing composition further comprises one or more additional light absorbers selected from the group consisting of: infrared light absorbers, ultraviolet light absorbers, blue light absorbers, and any combination of at least two of the aforementioned light absorbers.

[0013] In one embodiment, the content of the blue-violet light absorber accounts for about 0.01% to about 20% of the total weight of the blue-violet light absorbing composition.

[0014] Another aspect of the present disclosure provides a method for preparing a blue-violet light absorbing composition, comprising: mixing a polymer and a blue-violet light absorbing agent as shown in formula (I) to obtain the blue-violet light absorbing composition. In one embodiment, the method for preparing the blue-violet light absorbing composition comprises mixing about 0.01 to about 20 parts by weight of the blue-violet light absorbing agent with about 80 to about 100 parts by weight of the polymer.

[0015] In one embodiment, the method further comprises: heating the polymer to about 200° C. to about 280° C. to melt the polymer, and cooling the polymer to solidify the polymer.

[0016] Another aspect of the present disclosure provides a blue-violet light absorbing product, which includes the blue-violet light absorbing composition according to the present disclosure.

[0017] In one embodiment, the blue-violet light absorbing product is selected from plastics, coatings, inks, sunscreens, display devices, lighting devices, optical films, optical lenses, glasses, textiles, and pressure-sensitive adhesives.

[0018] Another aspect of the present disclosure provides a method for preparing a blue-violet light absorbing product, comprising: providing a blue-violet light absorbing composition according to the present disclosure; and placing the blue-violet light absorbing composition on an article to obtain the blue-violet light absorbing product.

[0019] In one embodiment, the blue-violet light absorbing composition is processed by a method selected from the group consisting of: dip coating, granulation, extrusion, lamination, injection molding, calendaring, casting, film blowing, coating, melt blowing, drawing, and any combination thereof. [Implementation Method]

[0020] The technical features of the present disclosure, including specific features, are disclosed in the claims. For a better understanding of the technical features of the present disclosure, the present disclosure is described in detail as follows in conjunction with the specification, embodiments based on the principles of the present invention, and drawings. In addition, the contents disclosed in this specification can be understood and implemented by those with ordinary knowledge in the art, and all equivalent changes or modifications that do not deviate from the concept of the invention can be covered by the claims.

[0021] Unless otherwise defined, all technical and scientific terms used in the specification and claims have the meanings known to those skilled in the art to which the present disclosure belongs. "One", "an", "the", or similar terms, unless otherwise specified, may refer to more than one object. "Or", "and", "and" used in this specification, unless otherwise specified, all refer to "or / and". In addition, the terms "include" and "include" are open-ended conjunctions without restrictions. The above definitions only illustrate the references of the term definitions and should not be interpreted as limitations on the subject matter. Unless otherwise specified, the materials used in this disclosure are all commercially available and easily accessible.

[0022] Any numerical values ​​described herein, such as concentrations or concentration ranges, are to be understood as being modified in all instances by the term "about". "About" means within an acceptable error range for the particular value, as determined by one of ordinary skill in the art, which will depend in part on how the value is measured or determined, i.e., the limitations of the measurement system. Unless otherwise expressly stated in the examples or elsewhere in the specification in the context of a particular assay, result, or embodiment, "about" means within one standard deviation, or up to a range of 1%, 2%, 3%, 4%, or 5%, whichever is greater, according to practice in the art.

[0023] According to the present disclosure, "alkyl" refers to an unbranched saturated hydrocarbon chain or a saturated hydrocarbon chain having a branch. As used herein, an alkyl group has 1 to 8 carbon atoms (i.e., C1-C8 alkyl), 1 to 6 carbon atoms (i.e., C1-C6 alkyl), 1 to 4 carbon atoms (i.e., C1-C4 alkyl), or 1 to 3 carbon atoms (i.e., C1-C3 alkyl). Examples of alkyl groups include methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, isobutyl, t-butyl, pentyl, 2-pentyl, isopentyl, neopentyl, hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, 2-ethylhexyl, heptyl, isoheptyl, octyl, or isooctyl. When an alkyl substituent having a particular number of carbon atoms is designated by a chemical name or identified by a molecular formula, all isomers having that number of carbon atoms are included; thus, for example, "propyl" refers to n-propyl (i.e., -(CH2)2CH3)) or isopropyl (i.e., -CH(CH3)2); and "butyl" refers to n-butyl (i.e., -(CH2)3CH3), isobutyl (i.e., -CH2CH(CH3)2), sec-butyl (i.e., -CH(CH3)CH2CH3), or t-butyl (i.e., -C(CH3)3).

[0024] As used herein, the term "heterocycloalkyl" refers to a saturated cyclic alkyl group having one or more heteroatoms independently selected from nitrogen and oxygen. The heterocycloalkyl group may have one or more substituents, for example, selected from alkyl, OH, -N=O, -ONH2, CN, halogen. The heterocycloalkyl group may be a five-membered or six-membered heterocycloalkyl group having 1 nitrogen heteroatom, or 1 oxygen heteroatom, or 1 nitrogen heteroatom and 1 oxygen heteroatom. Therefore, according to the present disclosure, the heterocycloalkyl group includes a ring structure having 1 nitrogen atom and 4 carbon atoms, having 1 oxygen atom and 4 carbon atoms, having 1 nitrogen atom and 1 oxygen atom and 3 carbon atoms, having 1 nitrogen atom and 5 carbon atoms, having 1 oxygen atom and 5 carbon atoms, or having 1 nitrogen atom and 1 oxygen atom and 4 carbon atoms.

[0025] The term "halogen", by itself or as part of another group, refers to fluorine, chlorine, bromine, or iodine.

[0026] The term "cyano" refers to the group -CN.

[0027] As used herein, the term "optionally" means that the subsequently described event or circumstance may or may not occur. The term "optionally substituted" means that any one or more hydrogen atoms on a particular atom or group may or may not be replaced by a moiety other than hydrogen. For example, the compound of formula (I) disclosed herein has R1 of an optionally substituted five-membered or six-membered heterocycloalkyl group, and optionally substituted R2 and R3.

[0028] The substitutable group may be substituted with one or more substituents (e.g., 1, 2, 3, 4, or 5 substituents). In some embodiments, the substituents are selected from the functional groups provided herein. In some embodiments, the substituents are selected from C 1-8 Alkyl, -OH, -N=O, -ONH2, -CN, and halogen.

[0029] In some embodiments, the substituent is C 1-8 Alkyl groups include, but are not limited to, methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, isobutyl, t-butyl, pentyl, 2-pentyl, isopentyl, neopentyl, hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, 2-ethylhexyl, heptyl, isoheptyl, octyl, or isooctyl.

[0030] In some embodiments, the substituent is a halogen, such as fluorine, chlorine, bromine, or iodine.

[0031] If not otherwise indicated, the compounds disclosed herein include all possible geometric isomers, such as Z and E isomers (cis and trans isomers), and all possible optical isomers of the compounds, such as diastereomers and enantiomers. Therefore, the compounds provided in the embodiments disclosed herein all include their geometric isomers or optical isomers. In addition, the scope of the disclosure includes individual isomers and any mixtures thereof, such as racemic mixtures. Individual isomers can be prepared using the corresponding isomers of the starting materials, or they can be separated according to conventional separation methods after preparing the final compound. When separating optical isomers, such as enantiomers, from their mixtures, conventional analytical methods can be used, such as segmented crystallization.

[0032] The term "curable transparent or translucent polymer" herein refers to a polymer that is transparent or translucent after curing. The term "transparent polymer" refers to a polymer that hardly absorbs any visible light; the term "translucent polymer" refers to a polymer that only reduces the transmittance of visible light.

[0033] One aspect of the present disclosure provides a blue-violet light absorbing composition, which includes a polymer and a blue-violet light absorber, wherein the blue-violet light absorber is a benzyl acrylonitrile compound of formula (I) shown below: in R1 is a five-membered or six-membered heterocycloalkyl group containing 1 or 2 heteroatoms selected from the group consisting of oxygen atoms and nitrogen atoms, which is unsubstituted or C 1-8 The group is substituted by at least one of alkyl, -OH, -N=O, -ONH2, -CN, or halogen; R2 and R3 are each independently selected from H or C 1-8 alkyl.

[0034] Accordingly, the heterocyclic structure of R1 includes 1 oxygen atom, or includes 1 nitrogen atom, or includes 1 oxygen atom and 1 nitrogen atom.

[0035] In one embodiment, R1 is selected from unsubstituted or substituted pyrrolidinyl, tetrahydrofuranyl, Oxazolidinyl, isocyanate isoxazolidinyl, tetrahydropyran, piperidinyl, morpholinyl, 1,2- 1,2-oxazinanyl, and 1,3- The group consisting of 1,3-oxazinanyl.

[0036] In a specific embodiment, R1 is selected from the group consisting of unsubstituted or substituted pyrrolidinyl, piperidinyl, and morpholinyl.

[0037] In further embodiments, R1 is selected from the group consisting of pyrrolidin-1-yl, 1-piperidinyl, and 4-morpholinyl.

[0038] According to this disclosure, C 1-8 Alkyl refers to a straight or branched chain C 1-8 Alkyl groups include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, secondary butyl, tertiary butyl, n-pentyl, 2-pentyl, 3-pentyl, neopentyl, n-hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, 2-ethylhexyl, heptyl, isoheptyl, octyl, or isooctyl.

[0039] In a specific embodiment, C 1-8 Alkyl includes straight or branched C 1-4 Alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, secondary butyl, or tertiary butyl. 1-8 The alkyl group is methyl or ethyl.

[0040] Therefore, in one embodiment, R1 is C 1-8 The alkyl-substituted five-membered or six-membered heterocycloalkyl group is, for example, substituted with at least one of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, secondary butyl, tertiary butyl, n-pentyl, 2-pentyl, 3-pentyl, neopentyl, n-hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, 2-ethylhexyl, heptyl, isoheptyl, octyl, or isooctyl.

[0041] In one embodiment, the ring structure of R1 is substituted by halogen, wherein the halogen is selected from fluorine, chlorine, bromine, or iodine.

[0042] In one embodiment, the ring structure of R1 has no substituent. In another embodiment, the ring structure of R1 has at least one substituent, for example, one, two, or three substituents.

[0043] In one embodiment, R2 and R3 are the same or different H or C 1-8 Alkyl, for example, R2 and R3 are each independently selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, secondary butyl, tertiary butyl, n-pentyl, 2-pentyl, 3-pentyl, neopentyl, n-hexyl, 2-hexyl, 3-hexyl, 3-methylpentyl, 2-ethylhexyl, heptyl, isoheptyl, octyl, or isooctyl.

[0044] In one embodiment of the compound of formula (I), R1 is a five-membered or six-membered heterocycloalkyl group which is unsubstituted or substituted with at least one methyl or ethyl group, and R2 and R3 are H, methyl, or ethyl, respectively.

[0045] In one embodiment, the blue-violet light absorbing composition includes a polymer and a blue-violet light absorber, wherein the blue-violet light absorber is a compound of formula (I) disclosed herein, wherein R1 is selected from 4-morpholinyl, 1-piperidinyl, pyrrolidin-1-yl; and R2 and R3 are H, methyl, or ethyl, respectively.

[0046] According to this aspect, the compound of formula (I) includes its cis-trans isomers or optical isomers. In one embodiment, the cis-trans isomers of the compound of formula (I) include isomers of formula (Ia) or formula (Ib):

[0047] In a specific embodiment, the compound of formula (I) disclosed herein is selected from any one of the following compounds or their isomers:

[0048] In one embodiment, the blue-violet light absorber disclosed herein includes at least one compound covered by formula (I) in any ratio. For example, the blue-violet light absorber includes one, two, three, four, or more compounds covered by formula (I).

[0049] In one embodiment, the blue-violet light absorber absorbs blue-violet light having a wavelength range of 380 nm to 460 nm, particularly blue-violet light having a wavelength range of 380 nm to 450 nm, more preferably 380 nm to 440 nm, and even more preferably 390 nm to 420 nm.

[0050] In one embodiment, the polymer is a curable transparent or translucent polymer. Preferably, the refractive index of the polymer after curing is at least 1.45, preferably at least 1.5, or more preferably at least 1.6. Preferably, the light transmittance of the transparent or translucent polymer is higher than 80%, more preferably higher than 90%, more preferably higher than 95%, and most preferably higher than 99%. In addition, the haze of the polymer is preferably less than 2%, more preferably less than 1%.

[0051] The polymer is preferably soluble in a solvent. If the polymer is a curable polymer and is soluble in a solvent, when it is applied to a substrate, the solvent can be removed and the polymer can be cured to form a cured blue-violet light absorbing composition. Alternatively, the polymer can be melted and liquefied, then mixed with the blue-violet light absorber, and then cooled to form a cured polymer.

[0052] Curable transparent or translucent polymers useful in the present disclosure include, for example, inorganic materials such as cellulose esters, such as diacetyl cellulose, triacetyl cellulose (TAC), propionyl cellulose, butyryl cellulose, levulinyl cellulose, and nitrocellulose; polyamides; polyimides; polyurethanes; epoxy resins; amino resins; polycarbonates; polyesters, such as polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polybutylene terephthalate (PBT), poly(1,4-cyclohexane-dimethylene) terephthalate, and polyethylene-1,2-diphenylene oxide (PEO), poly(1,4-cyclohexane-dimethylene) terephthalate, and poly(1,2-diphenylene oxide) terephthalate. Ethane-4,4′-dicarboxylate (polyethylene-1,2-diphenoxyethane-4,4′-dicarboxylate); polyolefins, such as polystyrene, polyethylene, polypropylene, polymethylpentene (PMP), and acrylonitrile-butadiene-styrene copolymer (ABS); polyvinyl compounds, such as polyvinyl acetate, polyvinyl chloride, and polyvinyl fluoride; acrylic resins, such as polymethacrylate, polymethyl methacrylate, and polyacrylate copolymers; polyoxymethylene; polysulfone; polyethersulfone; polyetherketone; polyetherimide (PEI); polyethylene oxide; polysilicone; liquid crystal polymer, etc.; or any combination thereof.

[0053] Therefore, in one embodiment, the polymer is selected from cellulose ester, polyamide, polyimide, polyurethane, epoxy resin, amino resin, polycarbonate, polyester, polyolefin, acrylic resin, polyoxymethylene, polysulfone, polyethersulfone, polyetherketone, polyetherimide, polyethylene oxide, polysilicone, liquid crystal polymer, or any combination thereof.

[0054] In a more preferred embodiment, the polymer is selected from the group consisting of polyurethane, polycarbonate, acrylic resin, and any combination thereof.

[0055] In one embodiment, the blue-violet light absorbing composition disclosed herein further includes one or more other additives selected from antistatic agents (such as graphene or carbon nanotubes), defoamers, leveling agents, wetting agents, thickeners, dispersants, waxes, matting agents, antibacterial agents, metal oxide light shielding agents, light stabilizers, thermal stabilizers, antioxidants (such as phenols, phosphorus-containing oxidants, or thioether oxidants), peroxide scavengers, free radical scavengers, fillers, rubbers (such as silicone rubber), food preservatives, flame retardants, plasticizers, dyes, pigments (such as titanium dioxide or carbon black), brighteners, fluorescent whitening agents, anti-aging agents, metal stabilizers, acid absorbers, anti-hydrolysis agents, and any combination of at least two of the aforementioned additives.

[0056] In one embodiment, the blue-violet light absorbing composition disclosed herein further includes other light absorbers, such as infrared light absorbers, ultraviolet light absorbers, blue light absorbers, or other colorants.

[0057] Examples of ultraviolet light absorbers include, but are not limited to, triazine compounds, benzotriazole compounds, diphenyl ketone compounds, merocyanine compounds, cyanine compounds, dibenzoylmethane compounds, cinnamic acid compounds, cyanoacrylate compounds, and benzoate compounds.

[0058] More specific examples of ultraviolet light absorbers include, for example, 2-(2′-hydroxyphenyl)benzotriazole, 2-(2′-hydroxy-5′-methylbenzene)benzotriazole, 2-(2′-hydroxy-3′,5′-di-tert-butylbenzene)-5-chlorobenzotriazole, 2-(2′-hydroxy-3′-tert-butyl-5′-methylbenzene)-5-chlorobenzotriazole, 2-(2′-hydroxy-5′-tert-octylbenzene)benzotriazole, 2-(2′-hydroxy-3′,5′-diisopropylbenzene)benzotriazole, 2-(2′-hydroxy-3′-tert-butyl-5′-carboxybenzene)benzotriazole, 2,2′-methylenebis(4-tert-octyl-6-benzotriazolyl)phenol, 2-(2-hydroxy-4-octyloxybenzene)-4,6-di( 2,4-dimethylbenzene)-s-triazine, 2-(2-hydroxy-4-hexyloxybenzene)-4,6-diphenyl-s-triazine, 2-(2-hydroxy-4-propoxy-5-methylbenzene)-4,6-bis(2,4-dimethylbenzene)-s-triazine, 2-(2-hydroxy-4-hexyloxybenzene)-4,6-diphenyl-s-triazine, 2,4-bis(2-hydroxy-4-octyloxybenzene)-6-(2,4-dimethylbenzene)-s-triazine, 2,4,6-tris(2-hydroxy-4-octyloxybenzene)-s-triazine, 2-hydroxydiphenyl ketone, 2,4-dihydroxydiphenyl ketone, 2-hydroxy-4-methoxydiphenyl ketone, 2-hydroxy-4-octyloxydiphenyl ketone, and 5,5′-methylenebis(2-hydroxy-4-methoxydiphenyl ketone).

[0059] The ultraviolet light absorber may also include compounds disclosed in US Pat. No. 10,894,873 B2 and US Pat. No. 10,717,714 B2, which are incorporated herein by reference in their entirety.

[0060] Examples of infrared light absorbers include, but are not limited to, pentamethine cyanine derivatives such as pentamethine cyanine compounds, pentamethine benzoindolium compounds, pentamethine benzoindolium compounds, benzoxazolium compounds, and pentamethine benzothiazolium; heptamethine cyanine derivatives, such as heptamethine indolium compounds, heptamethine benzindolium compounds, heptamethine Azolium compounds, heptamethine benzo azolium compounds, heptamethinethiazolium compounds, and heptamethinebenzothiazolium compounds; diimmonium compounds, aminium compounds, squarylium derivatives; nickel complexes, such as bis(stilbenedithiolato) nickel compounds, bis(benzenedithiolato) nickel compounds, and bis(camphordithiolato) nickel compounds; azo dye derivatives, phthalocyanine derivatives, porphyrin derivatives, and dipyromethene compounds, etc.

[0061] The cured polymer surface can be treated in a variety of ways, such as chemical treatment, mechanical treatment, corona discharge treatment, flame treatment, ultraviolet light irradiation, microwave irradiation, glow discharge treatment, active plasma treatment, laser treatment, acid solution treatment, ozone oxidation, or others.

[0062] In one embodiment, the blue-violet light absorber can be added to the blue-violet light absorbing composition in a specific proportion, for example, the content of the blue-violet light absorber is about 0.01% to about 20% of the total weight of the composition, preferably about 0.05% to about 10%, and more preferably about 0.1% to about 5%.

[0063] In a specific embodiment, the blue-violet light absorbing composition disclosed herein includes: about 0.01% to about 20%, preferably about 0.05% to about 10%, more preferably about 0.1% to about 5% of the blue-violet light absorber, and about 80% to about 100%, preferably about 90% to about 100%, more preferably about 95% to about 100% of the polymer. Herein, the term "about 100% of the polymer" means that the blue-violet light absorbing composition contains only a very small amount of blue-violet light absorber, for example, only 0.01% to 0.5% of the blue-violet light absorber or only 0.01%, 0.05%, 0.1%, or 0.5% of the blue-violet light absorber. Herein, the percentage (%) only represents the total of the polymer and the blue-violet light absorber, and does not include other additives.

[0064] Another aspect of the present disclosure provides a method for preparing a blue-violet light absorbing composition, comprising: mixing a polymer and a blue-violet light absorber, wherein the blue-violet light absorber is a compound of formula (I) of the present disclosure.

[0065] In one embodiment, the method further comprises: heating the polymer to about 200° C. to about 280° C. to melt, and cooling to solidify. In a specific embodiment, the melting temperature of the polymer is about 200° C., 210° C., 220° C., 230° C., 240° C., 250° C., 260° C., 270° C., or 280° C.

[0066] In a specific embodiment, the method further includes: providing about 0.01 to about 20 parts by mass, preferably about 0.05 to about 10 parts by mass, and more preferably about 0.1 to about 5 parts by mass of the blue-violet light absorber, and about 80 to about 100 parts by mass, preferably about 90 to about 100 parts by mass, and more preferably about 95 to about 100 parts by mass of the polymer, and mixing the blue-violet light absorber and the polymer to obtain the blue-violet light absorbing composition.

[0067] Another aspect of the present disclosure provides use of the blue-violet light absorbing composition of the present disclosure for preparing a blue-violet light absorbing product.

[0068] Therefore, another aspect of the present disclosure provides a blue-violet light absorbing product including the blue-violet light absorbing composition of the present disclosure.

[0069] In some embodiments, the blue-violet light absorbing product is selected from plastics, coatings, inks, and sunscreens.

[0070] In some embodiments, the blue-violet light absorbing product is selected from a display device, a lighting device, an optical film, an optical lens, glasses (eg, goggles or contact lenses), a textile, and a pressure-sensitive adhesive.

[0071] In some embodiments, the blue-violet light absorbing product is a lens or goggles that blocks blue-violet light and / or UV light, including lenses made of glass and polymer materials, such as polycarbonate (PC), polymethyl methacrylate (PMMA), nylon (PA), polymethylpentene terephthalate TPX (Polymethylpentene), polystyrene, or diethylene glycol dialkyl carbonate resin (PEDC).

[0072] The blue-violet light absorbing composition disclosed herein can be a light absorbing layer or a light absorbing film in the product, and its thickness varies according to the desired absorption properties or the location in the product, preferably 0.1 μm to 100 μm. If the layer or film is too thin, the light absorbing performance cannot be fully obtained; on the contrary, if the layer or film is too thick, it may lead to uneven surface, uneven absorption, or brittle cracks or wrinkles during thermal processing.

[0073] Therefore, in some embodiments, the blue-violet light absorbing product is a display device including a light absorbing layer or a light absorbing film, and the blue-violet light emitted by the blue-violet light absorbing composition disclosed herein is absorbed. The display device may be, for example, a liquid crystal display device (LCD), a plasma display device (PDP), an electroluminescent display device (ELD), a cathode ray tube display device (CRT), a fluorescent display tube, and a field emission display device, but is not limited thereto. When applied to a display device, the light absorbing layer or the light absorbing film is generally disposed in front of the display device. For example, the light absorbing layer or the light absorbing film is directly disposed on the surface of the display device. If a front panel or an electromagnetic shield is disposed in front of the display device, the light absorbing layer or the light absorbing film can be bonded to the front (outside) or rear (display device side) of the front panel or the electromagnetic shield.

[0074] Another aspect of the present disclosure provides a method for preparing a blue-violet light absorbing product, wherein the blue-violet light absorbing product comprises the blue-violet light absorbing composition of the present disclosure.

[0075] In one embodiment, the method for preparing the blue-violet light absorbing product includes: providing the blue-violet light absorbing composition disclosed herein; and placing the blue-violet light absorbing composition on an object to obtain the blue-violet light absorbing product.

[0076] In another embodiment, the method for preparing a blue-violet light absorbing product includes: mixing a polymer and the blue-violet light absorber disclosed herein to obtain a blue-violet light absorbing composition.

[0077] In some embodiments, the blue-violet light absorbing composition disclosed herein is processed first, for example, the blue-violet light absorbing composition is first granulated or drawn into yarn, or granulated and then drawn into yarn.

[0078] In some embodiments, the blue-violet light absorbing composition disclosed herein is disposed on the article by processing to obtain the blue-violet light absorbing product, and the method of disposing includes but is not limited to dip coating, extrusion, lamination, injection molding, calendering, casting, film blowing, coating, melt blowing, or any combination of the aforementioned steps. Examples Preparation of compounds

[0079] Comparative Example 1: Ethyl-2-cyano-3-(4-(dimethylamino)phenyl)acrylate

[0080] Synthesis of compound ethyl-2-cyano-3-(4-(dimethylamino)phenyl)acrylate: 15g of 4-(dimethylamino)benzaldehyde and 14.5g of ethyl 2-cyanoacetate were dissolved in dichloromethane and stirred, molecular sieves were added to remove water and calcium chloride tubes were installed to prevent water. Then 1ml of piperidine and 0.6ml of acetic acid were added, and the mixture was heated to reflux temperature for reaction for 2 hours, and fresh molecular sieves were added during the reaction. After the reaction was completed, the solvent was removed, acid washed, and dried to obtain ethyl-2-cyano-3-(4-(dimethylamino)phenyl)acrylate. Yield: 95%, melting point: 124-127°C, UV-Vis (CH3CN max.): 418nm, 10% loss of TGA under air: 235°C.

[0081] Comparative Example 2: Ethyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate

[0082] Synthesis of compound ethyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate: 328 g of diethylaminobenzaldehyde, 251 g of ethyl cyanoacetate, and 500 g of ethanol were placed in a reaction flask purged with nitrogen, 18.7 g of triethylamine was added dropwise at 50°C, and heated at 70°C for 2.5 hours. After cooling to room temperature, the precipitated solid was filtered out, washed with ethanol, and then dried under reduced pressure to obtain ethyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate. Orange solid, yield: 93%, melting point: 96-97°C, UV absorption peak: 421 nm, 10% loss of TGA under air: 252°C.

[0083] Comparative Example 3: Methyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate Methyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate

[0084] Synthesis of compound methyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate: 328 g of diethylaminobenzaldehyde, 220 g of methyl cyanoacetate, and 500 g of ethanol were placed in a reaction flask purged with nitrogen, 18.7 g of triethylamine was added dropwise at 50°C, and heated at 70°C for 2.5 hours. After cooling to room temperature, the precipitated solid was filtered out, washed with ethanol, and then dried under reduced pressure to obtain methyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate. Orange solid, yield: 81%, melting point: 87-92°C, UV absorption peak: 423 nm, 10% loss of TGA under air: 235°C.

[0085] Example 1: 3-[4-(dimethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile 3-[4-(Dimethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile

[0086] Synthesis of compound 3-[4-(dimethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile: 10 g of ethyl-2-cyano-3-(4-(dimethylamino)phenyl)acrylate (Comparative Example 1) and 40 g of morpholine were mixed and reacted at 130°C for 8.0 hours, then the temperature was lowered and the solid was filtered, and then the filter cake was washed with methanol and dried to obtain 3-[4-(dimethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile. Yellow solid, yield: 67%, purity: greater than 98.8%, melting point: 112-118°C, UV absorption peak: 403 nm, 10% loss of TGA under air: 298°C.

[0087] NMR analysis: 1H NMR (CDCl3, 300 MHz) (chemical shift value of peak top ppm; multiplicity; number of protons): 3.08 (s, 6H), 3.70-3.75 (m, 4H), 6.69 (d, 2H),, 7.72 (s, 1H), 7.86 (d, 2H). 13C NMR (CDCl3, 125MHz): 40.0, 44.5, 46.1, 66.7, 96.8, 111.5, 118.2, 120.1, 133.0, 134.2, 153.1, 153.7, 165.1.

[0088] Example 2: 3-[4-(Diethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile 3-[4-(Diethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile

[0089] Synthesis of compound 3-[4-(diethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile: 10 g of ethyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate (Comparative Example 2) was mixed with 40 g of morpholine and reacted at 130°C for 8.0 hours, then the temperature was lowered and the solid was filtered, and then the filter cake was washed with methanol and dried to obtain 3-[4-(ethylamino)phenyl]-2-(morpholine-4-carbonyl)prop-2-enenitrile. Yield: 28%, purity: greater than 99%, melting point: 88-90°C, UV absorption peak: 403 nm, 10% loss of TGA: 291°C.

[0090] NMR analysis: 1H NMR (CDCl3, 300MHz): 1.22 (t, 3H), 3.40-3.47 (q, 4H), 3.72 (d, 8H), 6.68 (d, 2H), 7.71 (s, 1H), 7.84 (d, 2H). 13C NMR (CDCl3, 125MHz): 12.5, 44.7, 46.3, 66.7, 95.9, 111.2, 118.3, 119.5, 133.3, 150.9, 153.5, 165.2.

[0091] Example 3: 3-[4-(Diethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile 3-[4-(Diethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile

[0092] Synthesis of compound 3-[4-(diethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile: 10 g of ethyl-2-cyano-3-(4-(ethylmethylamino)phenyl)acrylate (Comparative Example 2) was mixed with 40 g of pyrrolidine and reacted at 90°C for 24 hours, then the solid was filtered out after cooling, and the filter cake was then washed with methanol and dried to obtain 3-[4-(diethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile. Yield: 76%, purity: greater than 99%, melting point: 112-118°C, UV absorption peak: 405 nm, 10% loss of TGA: 285°C.

[0093] NMR analysis: 1H NMR (CDCl3, 300MHz): 1.20 (t, 4H), 1.91-1.94 (m, 4H), 3.40-3.45 (m, 6H), 3.58 (t, 2H), 3.77 (t, 2H), 6.65 (d, 2H), 7.86 (d, 2H), 7.90 (s, 1H). 13C NMR (CDCl3, 125MHz): 12.6, 24.2, 26.8, 44.8, 47.6, 48.7, 97.2, 111.1, 118.6, 119.6, 133.5, 150.9, 153.5, 163.3.

[0094] Example 4: 3-[4-(Dimethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile 3-[4-(Dimethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile

[0095] Synthesis of compound 3-[4-(dimethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile: 10 g of ethyl-2-cyano-3-(4-(dimethylamino)phenyl)acrylate (Comparative Example 1) was mixed with 40 g of pyrrolidine and reacted at 90°C for 24 hours, then cooled and the solid was filtered, and then the filter cake was washed with methanol and dried. After reacting for 8.0 hours, the solid was cooled and filtered, and then the filter cake was washed with methanol and dried to obtain 3-[4-(dimethylamino)phenyl]-2-(pyrrolidine-4-carbonyl)prop-2-enenitrile. Yield: 90%, purity: greater than 99%, melting point: 118-128°C, UV absorption peak: 395nm, 10% loss of TGA: 281°C.

[0096] NMR analysis: 1H NMR (CDCl3, 300MHz): 1.94 (m, 4H), 3.08 (s, 6H), 3.59 -3.78 (m, 4H), 6.68 (d, 2H), 7.87 (s, 1H), 7.91 (d, 2H). 13C NMR (CDCl3, 125MHz): 24.2, 26.8, 40.0, 47.6, 48.7, 98.1, 111.5, 118.4, 120.2, 131.7, 120.2, 131.7, 133.1, 153.0, 153.5, 163.1. Performance Testing

[0097] Thermal stability analysis

[0098] The blue-violet light absorber added to the plastic needs to be processed at high temperature or used outdoors at high temperature. However, general blue-violet light protection agents cannot withstand high temperatures. Therefore, having a high degree of stability is a very important condition for the blue-violet light absorber. The melting temperature of polycarbonate (PC) is about 250-270°C, so when the plastic processing temperature is high, the TGA (thermogravimetric analysis) change of the blue-violet light absorber is less than 10%, which can effectively avoid the thermal degradation or decomposition of the blue-violet light absorber due to high temperature during the production and processing process, and prevent the loss of blue-violet light absorption function. The compounds of Examples 1-4 and Comparative Examples 1-3 were measured for thermal stability in a thermogravimetric analyzer (TGA), and the temperature of 10% thermal weight loss was tested. The higher the temperature, the better the thermal stability.

[0099] The results are shown in Table 1. The TGA 10% thermal weight loss temperature of the blue-violet light absorber in Comparative Examples 1 and 3 is 235°C, which cannot be used for thermal processing of polycarbonate (PC). The TGA 10% thermal weight loss temperature of the blue-violet light absorber in Comparative Example 2 only reaches 252°C, and the thermal stability is also poor. The TGA of the compound in Example 1 of the present disclosure reaches 10% thermal weight loss when the temperature is raised to 292°C, which has excellent thermal stability and can be used for thermal processing of polycarbonate. In addition, the TGA 10% thermal weight loss temperatures of Examples 2, 3, and 4 are 291°C, 285°C, and 281°C, respectively, which are all better than Comparative Examples 1 to 3, so they can be used for thermal processing of plastics.

[0100] Table 1. Thermal stability analysis of TGA 10% thermal weight loss

[0101] Blue-violet light absorption analysis

[0102] The range of blue-violet light is between about 380-460nm. The shorter the wavelength, the higher the energy, and the greater the photochemical damage to the retina. Therefore, the greater the absorption of blue-violet light absorbers for shorter wavelength blue-violet light (higher energy) between 380-420nm, the better the protective effect against shorter wavelength blue-violet light. The maximum absorption peaks of the compounds of Examples 1 to 4 and the compounds of Comparative Examples 1 to 3 were measured in a UV-Vis spectrophotometer.

[0103] Maximum absorption peak test

[0104] UV-Vis spectrophotometer (Varian 50, purchased from Agilent) to test the maximum absorption peak (λmax, nm) of the sample.

[0105] The results are shown in Table 2. The maximum absorption peaks of the blue-violet light absorbers of Comparative Examples 1 to 3 are 418 nm, 421 nm, and 423 nm, respectively, and the peaks of the maximum absorption peaks are blue-violet light with a longer wavelength. The maximum absorption peaks of the blue-violet light absorbers of Examples 1 to 4 of the present disclosure are 403 nm, 403 nm, 405 nm, and 395 nm, respectively, and the peaks of the maximum absorption peaks are blue-violet light with a shorter wavelength, indicating that the protection effect against blue-violet light with a shorter wavelength is better.

[0106] Table 2. UV-Vis maximum absorption peak analysis

[0107] Optical life test of blue-violet light-proof composition and blue-violet light-proof film

[0108] 30 g of CY499 resin containing 1 wt % of blue-violet light absorber and 5.5 g of HDT-90B hardener were coated on PET to prepare a coating film with a dry film thickness of 50 μm. A weathering test was performed using a xenon lamp (ASTM G155), and the shortest wavelength at which the light transmittance (T%) = 1% was continuously measured and observed over time.

[0109] Weathering test-Xenon lamp

[0110] The samples were placed in a xenon lamp aging test chamber (model: Q-SUN Xenon Test Chamber, purchased from Q-Lab) and weather tested under the following conditions: blackboard temperature of 60°C, irradiance of 0.5 W / m2, 2 )@340 nm.

[0111] Table 3 discloses the 1% transmission wavelength of the blue-violet light-blocking films containing the blue-violet light absorbers of Comparative Examples 1 to 3 and Examples 1 to 4 and the negative control group without the blue-violet light absorber.

[0112] The 1% penetration wavelength of each example compound tested at 0 hours is as follows: Example 1: 442nm; Example 2: 448nm; Example 3: 448nm; Example 4: 435nm. Examples 1 to 4 absorb shorter wavelength blue-violet light than Comparative Examples 1 to 3. After 117 hours of xenon lamp irradiation, the 1% penetration wavelength test of Comparative Examples 1 and 2 decayed to 316nm and 315nm, and the blue-violet light absorption function was lost; after 134 hours of xenon lamp irradiation, the 1% penetration wavelength test of Comparative Example 3 decayed to 315nm, and the blue-violet light absorption function was lost. In contrast, after 134 hours of xenon lamp irradiation, the 1% penetration wavelength test of Examples 1 to 4 of the present disclosure were 393nm, 413nm, 411nm, and 398nm, respectively, indicating that after long-term xenon lamp irradiation, the present disclosed embodiments still maintain excellent blue-violet light protection effects.

[0113] Table 3. Light life test of blue-violet light protection film

[0114] According to the present disclosure, the compound of formula (I) can be mixed with another polymer and used to prepare a blue-violet light absorbing product, and its application is not limited to plastics, coatings, inks, display devices, lighting, optical films, optical lenses, goggles, glasses, contact lenses, textiles, pressure-sensitive adhesives, or sunscreen products and other technical fields, especially in the manufacture of screen protective films or glasses for mobile phones, computers, televisions, etc., and therefore has potential application prospects.

[0115] In the contents disclosed in the embodiments of this specification, it is obvious to those with ordinary knowledge in the field to which this disclosure belongs that the aforementioned embodiments are only illustrative and not limiting; those with ordinary knowledge in the technical field to which this disclosure belongs can implement it through many changes and substitutions, which do not differ from the technical features of this disclosure. According to the embodiments of the specification, this disclosure can have many changes and still not hinder its implementation. The claims provided in this specification define the scope of this disclosure and cover inventions equivalent thereto.

Claims

1. A blue-violet light absorbing composition, comprising a polymer and a blue-violet light absorber, wherein the blue-violet light absorber is a compound of formula (I) as shown below: in R1 is a five-membered or six-membered heterocycloalkyl group containing 1 or 2 heteroatoms selected from the group consisting of oxygen atoms and nitrogen atoms, which is unsubstituted or C 1-8 The group is substituted with at least one of alkyl, -OH, -N=O, -CN, or halogen; and R2 and R3 are each independently selected from H or C 1-8 alkyl.

2. The blue-violet light absorbing composition as claimed in claim 1, wherein R1 is selected from unsubstituted or substituted pyrrolidinyl, tetrahydrofuranyl, Oxazolidinyl, isocyanate Oxazolidinyl, tetrahydropyranyl, piperidinyl, morpholinyl, 1,2- Azinyl, and 1,3- The group consisting of oxazinyl.

3. The blue-violet light absorbing composition according to claim 1, wherein R1 is selected from 4-morpholinyl, 1-piperidinyl, or pyrrolidin-1-yl; R2 is selected from H, methyl, or ethyl; and R3 is selected from H, methyl, or ethyl.

4. The blue-violet light absorbing composition as claimed in claim 1, wherein the blue-violet light absorber is selected from any one of the following compounds or any combination thereof:

5. The blue-violet light absorbing composition as claimed in claim 1, wherein the polymer is a curable transparent or semi-transparent polymer.

6. The blue-violet light absorbing composition as claimed in claim 1, wherein the polymer is selected from the group consisting of: cellulose ester, polyamide, polyimide, polyurethane, epoxy resin, amino resin, polycarbonate, polyester, polyolefin, acrylic resin, polyoxymethylene, polysulfone, polyethersulfone, polyetherketone, polyetherimide, polyethylene oxide, polysilicone, liquid crystal polymer, and any combination thereof.

7. The blue-violet light absorbing composition as claimed in claim 1, further comprising one or more additional additives selected from the group consisting of: antistatic agent, defoamer, leveling agent, wetting agent, thickener, dispersant, wax, matting agent, antibacterial agent, metal oxide light shielding agent, light stabilizer, heat stabilizer, antioxidant, peroxide scavenger, free radical scavenger, filler, rubber, food preservative, flame retardant, plasticizer, dye, pigment, brightener, fluorescent whitening agent, anti-aging agent, metal stabilizer, acid absorbent, anti-hydrolysis agent, and any combination of at least two of the aforementioned additives.

8. The blue-violet light absorbing composition as claimed in claim 1, further comprising one or more additional light absorbers selected from the group consisting of infrared light absorbers, ultraviolet light absorbers, blue light absorbers, and any combination of at least two of the aforementioned light absorbers.

9. The blue-violet light absorbing composition as claimed in claim 1, wherein the content of the blue-violet light absorber accounts for 0.01% to 20% of the total weight of the blue-violet light absorbing composition.

10. A method for preparing a blue-violet light absorbing composition, comprising: A polymer and a blue-violet light absorber are mixed to obtain the blue-violet light absorbing composition, wherein the blue-violet light absorber is a compound of formula (I) as shown below: in R1 is a five-membered or six-membered heterocycloalkyl group containing 1 or 2 heteroatoms selected from the group consisting of oxygen atoms and nitrogen atoms, which is unsubstituted or C 1-8 The group is substituted with at least one of alkyl, -OH, -N=O, -CN, or halogen; and R2 and R3 are each independently selected from H or C 1-8 alkyl.

11. The method of claim 10, wherein R1 is selected from unsubstituted or substituted pyrrolidinyl, tetrahydrofuranyl, Oxazolidinyl, isocyanate Oxazolidinyl, tetrahydropyranyl, piperidinyl, morpholinyl, 1,2- Azinyl, and 1,3- The group consisting of azininyl.

12. The method of claim 10, wherein R1 is selected from 4-morpholinyl, 1-piperidinyl or pyrrolidin-1-yl; R2 is selected from H, methyl or ethyl; and R3 is selected from H, methyl or ethyl.

13. The method of claim 10, wherein the blue-violet light absorber is selected from any one of the following compounds or a combination thereof:

14. The method of claim 10, wherein 0.01 to 20 parts by mass of the blue-violet light absorber is mixed with 80 to 100 parts by mass of the polymer.

15. The method of claim 10, further comprising: The polymer is heated to 200°C to 280°C to melt, and cooled to solidify.

16. A blue-violet light absorbing product, comprising the blue-violet light absorbing composition according to claims 1 to 9.

17. The blue-violet light absorbing product of claim 16, which is selected from the group consisting of plastics, coatings, inks, sunscreens, display devices, lighting devices, optical films, optical lenses, glasses, textiles, and pressure-sensitive adhesives.

18. A method for preparing a blue-violet light absorbing product, comprising: Providing a blue-violet light absorbing composition as described in claims 1 to 9; as well as The blue-violet light absorbing composition is disposed on an article to obtain the blue-violet light absorbing product.

19. The method of claim 18, wherein the blue-violet light absorbing composition is processed by a method selected from the group consisting of: dip coating, granulation, extrusion, lamination, injection molding, calendering, casting, film blowing, coating, melt blowing, drawing, and any combination thereof.

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