WO2021193471A1 - 成形体及び表示装置 - Google Patents

成形体及び表示装置 Download PDF

Info

Publication number
WO2021193471A1
WO2021193471A1 PCT/JP2021/011520 JP2021011520W WO2021193471A1 WO 2021193471 A1 WO2021193471 A1 WO 2021193471A1 JP 2021011520 W JP2021011520 W JP 2021011520W WO 2021193471 A1 WO2021193471 A1 WO 2021193471A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
wavelength
less
molded product
maximum value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/011520
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
澤田　忠義
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Priority to EP21776434.9A priority Critical patent/EP4130811A4/en
Priority to CN202180014093.1A priority patent/CN115104046B/zh
Priority to JP2021523333A priority patent/JP7192983B2/ja
Priority to KR1020227031959A priority patent/KR102813152B1/ko
Publication of WO2021193471A1 publication Critical patent/WO2021193471A1/ja
Priority to US17/816,516 priority patent/US12461290B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • 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
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/07—Aldehydes; Ketones
    • C08K5/08—Quinones
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
    • C08K5/3462—Six-membered rings
    • C08K5/3465—Six-membered rings condensed with carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B57/00—Other synthetic dyes of known constitution
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/019—Specific properties of additives the composition being defined by the absence of a certain additive

Definitions

  • the present invention relates to a molded product and a display device.
  • the present application claims priority based on Japanese Patent Application No. 2020-052857 filed in Japan on March 24, 2020, the contents of which are incorporated herein by reference.
  • vehicle interior / exterior members lighting lamps, and display signs (hereinafter, simply abbreviated as "vehicle interior / exterior members, etc.”), there is a demand for display devices that display color tones and predetermined information required by the market. be.
  • a molded product obtained by molding a thermoplastic resin such as a methacrylic resin or a polycarbonate resin is used.
  • thermoplastic resin molded body that can exhibit a colored or achromatic color tone and exert a presence, that is, has excellent design.
  • the wavelength There is no change in the solar transmittance in the range of more than 780 nm and 2100 nm or less, but the solar transmittance is low in the wavelength range of 380 to 780 nm, which is the light absorption band of the dye.
  • the solar reflectance is lower than the solar transmittance and shows a constant value in the wavelength range of 380 to 2100 nm.
  • the solar radiation absorption rate which is a value obtained by subtracting the solar radiation transmittance and the solar radiation reflectance from 100%.
  • the higher the solar absorption rate of the thermoplastic resin molded product the higher the risk that the thermoplastic resin molded product undergoes thermal deformation, alteration, or thermal cracking due to an increase in temperature. That is, in order to suppress thermal cracking and the like, there is a demand for a thermoplastic resin molded product having a low solar radiation absorption rate, in other words, a high solar radiation transmittance.
  • Patent Document 1 discloses a resin molded product containing carbon black.
  • Patent Document 2 discloses a resin molded product containing an organic dye.
  • the resin molded body disclosed in Patent Document 1 exhibits a jet black color when the light source is turned off, but it is difficult to exhibit a chromatic or achromatic color tone when the light source is turned on, that is, the design is insufficient.
  • the resin molded product disclosed in Patent Document 2 is excellent in jet black when the light source is turned off, and is excellent in design because it can exhibit a specific color tone when the light source is turned on, but it has a problem that the solar transmittance is low. rice field.
  • an object of the present invention is to provide a molded body that is excellent in jet black when the light source is turned off, can exhibit a specific color tone when the light source is turned on, and has high solar transmittance.
  • the first gist of the present invention is to include a transparent resin, in which the L * value of the reflected light is 35 or less and the wavelength is in the range of 430 nm or more and 700 nm or less, the wavelength showing the maximum value of the light transmittance is determined.
  • the present invention relates to a molded product having a light transmittance of 0.5% or more at a wavelength of 770 nm and in the range of 430 nm or more and 680 nm or less.
  • [1] Contains transparent resin
  • the L * value of the reflected light is 35 or less, and In the range of wavelength of 430 nm or more and 700 nm or less, the wavelength showing the maximum value of light transmittance is in the range of 430 nm or more and less than 680 nm.
  • the molded product of [1] which contains two or more kinds of light absorbers (L) having different wavelengths showing the maximum value of absorbance in the range of 380 nm or more and 730 nm or less.
  • Equation (5) There is only one i that satisfies the following equation (5), and the following equation (6) is satisfied. Equation (5): ⁇ (i + 1) ⁇ (i) ⁇ 160 nm ⁇ ⁇ ⁇ (5) Equation (6): ⁇ (1) -380 nm ⁇ 160 nm ... (6) Condition 2: It does not satisfy the following formula (5) and also satisfies the following formula (7).
  • ⁇ (i) is a wavelength indicating the maximum value of the absorbance of the light absorber (i), which is one of the light absorbers (L), in the wavelength range of 380 nm or more and 730 nm or less.
  • I is an integer of 1 to n
  • n is an integer of 2 or more and indicates the number of types of the light absorber (L)
  • ⁇ (n + 1) is 730 nm
  • the second gist of the present invention is a thermoplastic resin composition containing a methacrylic resin and two or more types of light absorbers (L) having different wavelengths indicating the maximum value of transmittance in the wavelength range of 380 nm or more and 730 nm or less.
  • the light absorber (L) contains a light absorber (B) having a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of transmittance, and has an L * value of reflected light.
  • the total light transmittance is 1% or less
  • the wavelength showing the maximum value of the light transmittance is in the range of 430 nm or more and less than 680 nm in the wavelength range of 430 nm or more and 700 nm or less
  • the wavelength is In the range of 430 nm or more and 700 nm or less
  • the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is 0.1% or more
  • the light transmittance is 5% or more at the wavelength of 770 nm.
  • thermoplastic resin composition containing a methacrylic resin and two or more types of light absorbers (L) having different wavelengths indicating the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less is molded.
  • the light absorber (L) contains a light absorber (B) having a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of absorbance.
  • the L * value of the reflected light is 35 or less,
  • the total light transmittance is 1% or less,
  • the wavelength showing the maximum value of light transmittance is in the range of 430 nm or more and less than 680 nm.
  • the maximum value of the light transmittance at the wavelength indicating the maximum value of the light transmittance is 0.1% or more.
  • ⁇ (i) is a wavelength indicating the maximum value of the absorbance of the light absorber (i), which is one of the light absorbers (L), in the wavelength range of 380 nm or more and 730 nm or less.
  • I is an integer of 1 to n
  • n is an integer of 2 or more and indicates the number of types of the light absorber (L)
  • ⁇ (n + 1) is 730 nm
  • the light absorber (L) includes a light absorber (A) having a wavelength in the range of 400 nm or more and less than 630 nm, which indicates the maximum value of absorbance. In any one of [9] to [13B], the total content of the light absorber (A) is 0.001 part by mass or more and 1 part by mass or less with respect to 100 parts by mass of the methacrylic resin.
  • a third gist of the present invention relates to a light source and a display device including a molded body of the present invention arranged so as to transmit light emitted from the light source.
  • the molded product of the present invention has excellent jet-blackness when the light source is turned off, can exhibit a specific color tone when the light source is turned on, and has high solar transmittance. Therefore, the molded product of the present invention is less likely to store heat, and is less likely to be deformed, deteriorated, or cracked by heat.
  • the display device of the present invention since the molded body of the present invention is arranged so that the light emitted from the light source is transmitted, the display device is excellent in jet blackness when the light source is turned off, and can exhibit a specific color tone when the light source is turned on. Moreover, the solar transmittance is high. Therefore, the display device of the present invention is less likely to store heat, and is less likely to be deformed, deteriorated, or cracked by heat.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Example 1.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Example 2.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Example 3.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Example 4.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Comparative Example 1.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Comparative Example 2.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Comparative Example 3.
  • 6 is a graph showing the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded product of Example 5.
  • the first embodiment of the molded body of the present invention contains a transparent resin, and sets the maximum value of light transmittance in the range where the L * value of reflected light is 35 or less and the wavelength is 430 nm or more and 700 nm or less.
  • a molded body (hereinafter, also referred to as a molded body (1)) having a wavelength in the range of 430 nm or more and 680 nm or less and a light transmittance of 0.5% or more at a wavelength of 770 nm.
  • the molded body (1) of the present invention is excellent in jet black when the light source is turned off, and when the light source, particularly the white light source is turned on, the light emitted from the white light source passes through the molded body (1) and has a specific wavelength. Can be selectively transmitted to exhibit a specific color tone.
  • white light means light in which light having a plurality of wavelengths is mixed and looks white
  • colored light means light having a specific wavelength in the visible light wavelength range (for example, red light and blue light). ..
  • the molded product (1) of the present invention contains the transparent resin described later, so that the obtained molded product has excellent jet-blackness. It becomes a thing.
  • the molded product (1) of the present invention has an L * value of reflected light of 35 or less.
  • the L * value of the reflected light is 35 or less, the jet-blackness of the molded product is excellent. 30 or less is preferable.
  • the L * value of the reflected light is calculated from the tristimulus values X, Y, and Z measured by the spectrophotometric method (integrating sphere type, reflection measurement) in accordance with ISO11664-4.
  • the molded product (1) of the present invention has a wavelength in the range of 430 nm or more and 700 nm or less, and a wavelength indicating the maximum value of light transmittance in the range of 430 nm or more and less than 680 nm.
  • the wavelength showing the maximum value of the light transmittance is in the range of 430 nm or more and less than 680 nm, so that light having a wavelength in the range of 430 nm or more and less than 680 nm is selectively transmitted. It can exhibit a specific color tone.
  • the molded product (1) of the present invention has a lower limit of light transmittance of 0.5% or more at a wavelength of 770 nm.
  • the lower limit is preferably 1% or more, more preferably 5% or more, further preferably 20% or more, further preferably 40% or more, and particularly preferably 60% or more.
  • the upper limit of the light transmittance at a wavelength of 770 nm is not particularly limited, and is preferably 90% or less.
  • the jet-blackness of the molded product is excellent.
  • the upper limit is more preferably 80% or less, and even more preferably 75% or more.
  • the above upper and lower limits can be combined arbitrarily.
  • the light transmittance of the molded product (1) at a wavelength of 770 nm is preferably 0.5% or more and 90% or less, more preferably 1% or more and 90% or less, further preferably 5% or more and 80% or less, and 20%. More than 75% is particularly preferable.
  • the molded product (1) of the present invention preferably contains two or more types of light absorbers (L) having different wavelengths indicating the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less.
  • the light absorber (L) has a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of absorbance.
  • the obtained molded product can selectively transmit light of a specific wavelength when the light source is lit and exhibit a specific color tone, so that the color selectivity of the transmitted light can be selected. Excellent for.
  • the light absorber (B) will be described later.
  • the molded product (1) of the present invention preferably has an upper limit of total light transmittance of less than 5%. When the total light transmittance is less than 5%, the jet-blackness of the molded product is excellent.
  • the upper limit is more preferably 3% or less, further preferably 1% or less.
  • the lower limit of the total light transmittance is preferably 0.01% or more. When the total light transmittance is 0.01% or more, the light emitted from a light source, for example, a white light source can be made into colored light by passing through the molded body.
  • the lower limit is more preferably 0.02% or more, further preferably 0.04% or more.
  • the above upper and lower limits can be combined arbitrarily.
  • the total light transmittance of the molded product (1) is preferably 0.01% or more and less than 5%, more preferably 0.02% or more and 3% or less, and further preferably 0.04% or more and 1% or less.
  • the lower limit of the maximum value of light transmittance at the wavelength showing the maximum value of light transmittance is 0.1% or more in the wavelength range of 430 nm or more and 700 nm or less. preferable.
  • a specific wavelength in the range of 430 nm or more and less than 680 nm by setting the maximum value of the light transmittance at the wavelength indicating the maximum value of the light transmittance in the wavelength range of 430 nm or more and 700 nm or less to 0.1% or more. It is possible to selectively transmit the light of the above and to exhibit a specific color tone.
  • the lower limit is more preferably 0.15% or more, further preferably 0.22% or more.
  • the upper limit of the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is not particularly limited, and is preferably 5.0% or less. ..
  • the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is 5.0% or less in the wavelength range of 430 nm or more and 700 nm or less, the jet blackness of the molded product is excellent.
  • the upper limit is more preferably 2.0% or less, further preferably 1.0% or less. The above upper and lower limits can be combined arbitrarily.
  • the light transmittance of the molded product (1) at a wavelength indicating the maximum value of the light transmittance in the wavelength range of 430 nm or more and 700 nm or less is preferably 0.1% or more and 5.0% or less. It is more preferably 15% or more and 2.0% or less, and further preferably 0.22% or more and 1.0% or less.
  • the light absorber (L) does not contain a light absorber having a wavelength in which the wavelength showing the maximum value of absorbance exceeds 720 nm.
  • the solar transmittance of the obtained molded product (1) can be increased more efficiently. Therefore, the molded product (1) is less likely to store heat, and is less likely to be deformed, deteriorated, or cracked by heat.
  • the transparent resin contained in the molded product (1) of the present invention a methacrylic resin described later can be mentioned. If the transparent resin is a methacrylic resin, the obtained molded product has excellent transparency, and as a result, has excellent jet-blackness.
  • a second embodiment of the molded product of the present invention is a molded product (2) formed by molding a thermoplastic resin composition described later.
  • the L * value of the reflected light is 35 or less
  • the total light transmittance is 1% or less
  • the maximum value of the light transmittance is in the range of 430 nm or more and 700 nm or less.
  • the maximum value of light transmittance at the wavelength indicating the maximum value of light transmittance is 0.1% or more.
  • the transmittance of light at a wavelength of 770 nm is 5% or more.
  • the molded body (2) of the present invention is excellent in jet black when the light source is turned off, and when the light source, particularly the white light source is turned on, the light emitted from the white light source passes through the molded body (2) and has a specific wavelength. Can be selectively transmitted to exhibit a specific color tone.
  • the L * value of the reflected light of the molded product (2) of the present invention is 35 or less, preferably 30 or less.
  • the L * value of the reflected light of the molded product is equal to or less than the upper limit value, the jet-blackness of the molded product is excellent.
  • the L * value of the reflected light is calculated from the tristimulus values X, Y, and Z measured by the spectrophotometric method (integrating sphere type, reflection measurement) in accordance with ISO11664-4.
  • the upper limit of the total light transmittance of the molded product (2) of the present invention is 1% or less. When the total light transmittance is 1% or less, the jet-blackness of the molded product is excellent. The upper limit is preferably 0.5% or less.
  • the lower limit of the total light transmittance is preferably 0.01% or more. When the total light transmittance is 0.01% or more, the light emitted from a light source, for example, a white light source can be made into colored light by passing through the molded body.
  • the lower limit is more preferably 0.02% or more, further preferably 0.04% or more.
  • the above upper and lower limits can be combined arbitrarily.
  • the total light transmittance of the molded product (2) is preferably 0.01% or more and 1% or less, and more preferably 0.02% or more and 0.5% or less.
  • the total light transmittance which is the transmittance of light in the visible light wavelength range, is measured in accordance with ISO 13468-1.
  • the total light transmittance of the molded body of the present invention may be a low value exceeding the detection limit, but in the present invention, if the hue of the light emitted from the light source and transmitted through the molded body can be visually confirmed. Sufficiently, the hue of the light emitted from the light source and transmitted through the molded body must not be visually identifiable.
  • the molded product (2) of the present invention has a wavelength in the range of 430 nm or more and 700 nm or less, and a wavelength indicating the maximum value of light transmittance in the range of 430 nm or more and less than 680 nm.
  • the wavelength showing the maximum value of the light transmittance is in the range of 430 nm or more and less than 680 nm, so that light having a wavelength in the range of 430 nm or more and less than 680 nm is selectively transmitted. It can exhibit a specific color tone.
  • the lower limit of the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is 0.1% or more in the wavelength range of 430 nm or more and 700 nm or less.
  • the lower limit of the maximum value of light transmittance at the wavelength indicating the maximum value of light transmittance is set to 0.1% or more, so that the specification is in the range of 430 nm or more and less than 680 nm. It is possible to selectively transmit light of the same wavelength and exhibit a specific color tone.
  • the lower limit is more preferably 0.15% or more, further preferably 0.22% or more.
  • the upper limit of the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is not particularly limited, and is preferably 5.0% or less. ..
  • the maximum value of the light transmittance at the wavelength showing the maximum value of the light transmittance is 5.0% or less in the wavelength range of 430 nm or more and 700 nm or less, the jet blackness of the molded product is excellent.
  • the upper limit is more preferably 2.0% or less, further preferably 1.0% or less. The above upper and lower limits can be combined arbitrarily.
  • the light transmittance of the molded product (2) at a wavelength indicating the maximum value of the light transmittance in the wavelength range of 430 nm or more and 700 nm or less is preferably 0.1% or more and 5.0% or less. It is more preferably 15% or more and 2.0% or less, and further preferably 0.22% or more and 1.0% or less.
  • the molded product (2) of the present invention has a lower limit of light transmittance of 5% or more at a wavelength of 770 nm.
  • the light transmittance is 5% or more at a wavelength of 770 nm
  • the obtained molded product has a high solar radiation transmittance. Therefore, it is difficult to store heat, and it is difficult to cause deformation, deterioration, or thermal cracking due to heat.
  • the lower limit is preferably 20% or more, more preferably 40% or more, and even more preferably 60% or more.
  • the upper limit of the light transmittance at a wavelength of 770 nm is not particularly limited, and is preferably 90% or less.
  • the jet-blackness of the molded product is excellent.
  • the upper limit is more preferably 80% or less, and even more preferably 75% or more.
  • the above upper and lower limits can be combined arbitrarily.
  • the light transmittance of the molded product (2) at a wavelength of 770 nm is preferably 5% or more and 90% or less, more preferably 20% or more and 80% or less, and further preferably 40% or more and 75% or less.
  • the light transmittance in the wavelength range of 380 nm or more and 770 nm or less is such that light having a wavelength of 380 nm or more and 780 nm or less is transmitted from the back surface of the molded body, and a spectrophotometer is used for the light transmitted from the surface of the molded body. It was measured by
  • the thermoplastic resin composition used for the molded product (2) of the present invention contains two or more kinds of light absorbers (L) having different wavelengths showing the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less.
  • the light absorber (L) includes a light absorber (B) having a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of absorbance.
  • the light absorber (L) does not contain a light absorber having a wavelength in which the wavelength showing the maximum value of absorbance exceeds 720 nm.
  • the solar transmittance of the obtained molded product (2) can be increased more efficiently. Therefore, the molded product is less likely to store heat, and is less likely to be deformed, deteriorated, or thermally cracked by heat.
  • the thickness of the molded product (2) of the present invention in the direction in which the light emitted from the light source is transmitted is preferably 0.01 mm or more and 100 mm or less, and more preferably 0.1 mm or more and 10 mm or less.
  • the thickness of the molded product is at least the lower limit value, the jet blackness of the molded product is excellent, and when it is at least the upper limit value, the transmitted light intensity of the molded product is excellent.
  • the molded body (1) and the manufacturing method of the molded body (2) of the present invention will be described.
  • the molded product (1) of the present invention is preferably a molded product obtained by molding a resin composition containing a transparent resin and a light absorber (L), which will be described later.
  • the molded product (2) of the present invention is preferably a molded product of the thermoplastic resin composition of the present invention described later.
  • a molding method of the molded body a known method can be adopted, and examples thereof include a molding method by extrusion molding, injection molding, blow molding, and press molding.
  • thermoplastic resin composition is one of the constituents of the molded product (2) of the present invention.
  • the thermoplastic resin composition in the present invention contains a methacrylic resin described later and a light absorber (L).
  • the transparent resin is one of the constituents of the molded product (1) of the present invention.
  • the transparent resin used for the molded body (1) of the present invention is not particularly limited as long as it is a transparent resin having a high light transmittance in the visible light region, and a known transparent thermoplastic resin can be used.
  • a transparent thermoplastic resin having a total light transmittance of 70% or more measured in accordance with ISO13468 and a haze value of 15% or less measured in accordance with ISO14782 can be mentioned.
  • Specific examples thereof include methacrylic resin, polycarbonate resin, polystyrene resin, and methyl methacrylate-styrene resin (MS resin).
  • one type selected from these transparent thermoplastic resins according to desired characteristics may be used alone, or two or more types may be mixed and used. ..
  • the methacrylic resin is excellent in transparency, weather resistance and impact resistance.
  • the weight average molecular weight and the number average molecular weight of the transparent resin can be appropriately set by those skilled in the art according to well-known techniques, for example, according to the molding method and processing conditions of the molded body and the intended use of the molded body.
  • the transparent resin may contain additives such as an impact strength modifier, a mold release agent, an ultraviolet absorber, a polymerization inhibitor, an antioxidant, and a flame retardant as long as the effects of the present invention are not impaired. ..
  • the methacrylic resin is an embodiment of the transparent resin used for the molded product (1) of the present invention. Further, the methacrylic resin is one of the constituent components of the thermoplastic resin composition used in the molded product (2) of the present invention.
  • the methacrylic resin the content of a homopolymer of methyl methacrylate (hereinafter abbreviated as "MMA") and a repeating unit derived from MMA (hereinafter abbreviated as "MMA unit”) is methacrylic. Examples thereof include MMA copolymers having an amount of 70% by mass or more and less than 100% by mass with respect to the total mass of the based resin.
  • the MMA copolymer in the present invention has an MMA unit of 70% by mass or more and less than 100% by mass, and 0 mass of a repeating unit (hereinafter, abbreviated as "other monomer unit") derived from another monomer described later. It contains more than% and 30% by mass or less.
  • the other monomer is not particularly limited as long as it can be copolymerized with MMA, and is, for example, methyl acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate and the like.
  • examples thereof include known (meth) acrylic acid ester compounds and known aromatic vinyl compounds such as styrene and ⁇ -methylstyrene.
  • methacrylic resins examples include Acrypet (registered trademark) VH, Acrypet MD, and Acrypet MF (trade names, all manufactured by Mitsubishi Chemical Corporation).
  • the molded product (1) of the present invention can contain a light absorber (L) as one of the constituent components. Further, the molded product (2) of the present invention contains a light absorber (L) as one of the constituent components of the thermoplastic resin composition.
  • the light absorber (L) includes two or more kinds of light absorbers having different wavelengths showing the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less. By including two or more kinds of light absorbers, the total light transmittance of the molded product can be efficiently reduced. Therefore, it is possible to obtain a molded product having more excellent jet blackness.
  • the light absorber (L) can include a light absorber (B) having a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of absorbance.
  • the light absorber (L) contains the light absorber (B).
  • the light absorber (L) does not contain a light absorber having a wavelength in which the wavelength showing the maximum value of absorbance exceeds 720 nm.
  • the solar transmittance of the obtained molded product can be increased more efficiently. Therefore, the molded product is less likely to store heat, and is less likely to be deformed, deteriorated, or thermally cracked by heat.
  • the light absorber (B) as the light absorber (L), such an effect can be obtained more efficiently.
  • the light absorber (A) can be included.
  • the total light transmittance of the molded product can be efficiently lowered. Therefore, it is possible to obtain a molded product having more excellent jet blackness.
  • the absorbance is measured using a spectrophotometer.
  • the light absorber (A) is a light absorber whose wavelength showing the maximum value of absorbance is in the range of 400 nm or more and less than 630 nm.
  • the obtained molded product combined with the effect of the light absorber (B), more efficiently emits light of a specific wavelength when the light source is lit. It can be selectively transmitted to exhibit a specific color tone.
  • Examples of the light absorber (A) include a near-infrared absorbing dye.
  • Examples of the near-infrared absorbing dye include anthraquinone-based dyes and phthalocyanine-based dyes.
  • anthraquinone-based dyes which are near-infrared absorbing dyes, are preferable because the molded product is excellent in transparency and weather resistance.
  • the light absorber (A) one type may be used alone, or two or more types may be used in combination.
  • Examples of the light absorber (A) include the SDO series manufactured by Arimoto Chemical Industry Co., Ltd., the E-Excolor (registered trademark) series manufactured by Nippon Kayaku Co., Ltd., and the KAYASORB (registered trademark) series manufactured by Nippon Kayaku Co., Ltd. Can be mentioned.
  • the content thereof when two or more kinds are used in combination, the total amount is 100 parts by mass of the transparent resin in the molded product (1) of the present invention, and the molding of the present invention.
  • the amount may be 0.001 part by mass or more and 1 part by mass or less with respect to 100 parts by mass of the methacrylic resin, preferably 0.01 part by mass or more and 0.5 part by mass or less.
  • the content of the light absorber (A) is at least the above lower limit value, the color selectivity of the transmitted light of the molded product is excellent.
  • it is not more than the upper limit value the transmitted light intensity of the molded product is excellent.
  • the light absorber (B) is a light absorber having a wavelength in the range of 630 nm or more and 700 nm or less, which indicates the maximum value of absorbance.
  • the obtained molded product has excellent color selectivity of transmitted light.
  • Examples of the light absorber (B) include dyes.
  • Examples of the dye include anthraquinone dyes, perinone dyes, methine dyes, and quinophthalone dyes.
  • anthraquinone-based dyes and perinone-based dyes which are dyes, are preferable because the molded product has excellent weather resistance.
  • the light absorber (B) may be used alone or in combination of two or more.
  • anthracinone dyes examples include Solvent Blue 87, Solvent Blue 94, Solvent Blue 97, Solvent Green 3, Solvent Green 28, Solvent Red 52, Solvent Red 111, Disperse Red Color index dyes can be mentioned.
  • perinone dye examples include color index dyes such as Solvent Orange 60, Solvent Red 135, and Solvent Red 179.
  • methine dye examples include color index dyes such as Solvent Orange 107 and Solvent Yellow 179.
  • quinophthalone dye examples include color index dyes such as Solvent Yellow 33, Disperse Yellow 54, and Disperse Yellow 160.
  • the thermoplastic resin composition according to the molded product (2) of the present invention contains a methacrylic resin and at least one kind of light absorber (B) as the light absorber (L).
  • the content (when two or more kinds are used in combination, the total amount) can be 0.1 part by mass or more and 0.5 part by mass or less with respect to 100 parts by mass of the methacrylic resin. It is preferably 15 parts by mass or more and 0.35 parts by mass or less.
  • the content of the light absorber (B) is at least the above lower limit value, the color selectivity of the transmitted light of the molded product is excellent.
  • it is not more than the upper limit value the transmitted light intensity of the molded product is excellent.
  • the light absorber (L) in the present invention includes two or more kinds of light absorbers having different wavelengths showing the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less.
  • N which is the number of types of the light absorber (L)
  • An integer of 2 or more and 20 or less is preferable, an integer of 2 or more and 10 or less is more preferable, an integer of 2 or more and 5 or less is further preferable, and an integer of 3 or more and 4 or less is particularly preferable because of excellent selectivity of transmitted light wavelength.
  • the light absorber (L) can include one kind of light absorber (A) and one or more kinds of light absorbers (B).
  • the light absorber (L) does not contain the light absorber (A) and may contain one or more kinds of light absorbers (B). ..
  • the light absorber (L) in the present invention preferably satisfies either of the following conditions 1 or 2.
  • the obtained molded product is excellent in jet black when the light source is turned off, and can exhibit a specific color tone when the light source is turned on.
  • Condition 1 There is only one i that satisfies the following equation (5), and the following equation (6) is satisfied.
  • Equation (6) ⁇ (1) -380 nm ⁇ 160 nm ... (6)
  • Condition 2 It does not satisfy the following formula (5) and also satisfies the following formula (7).
  • ⁇ (i) is a wavelength indicating the maximum value of the absorbance of the light absorber (i), which is one of the light absorbers (L), in the wavelength range of 380 nm or more and 730 nm or less; i is an integer from 1 to n; n is an integer of 2 or more and indicates the number of types of the light absorber (L) contained in the molded product or the thermoplastic resin composition; ⁇ (n + 1) is 730 nm; ⁇ (1) ⁇ (2) ⁇ ... ⁇ (n) ⁇ (n + 1).
  • N is 2
  • ⁇ (1) is 450 nm
  • ⁇ (2) is 690 nm
  • ⁇ (3) is 730 nm.
  • the light absorber (i) satisfying the formula (5) does not exist, and the formula (7) is satisfied.
  • only light having a wavelength between 380 nm and ⁇ (1), that is, between 380 nm and 590 nm is selectively transmitted.
  • a light absorber (A3) having a wavelength of 480 nm that indicates the maximum value of absorbance n is 3, ⁇ (1) is 480 nm, ⁇ (2) is 510 nm, and ⁇ ( 3) is 690 nm and ⁇ (4) is 730 nm.
  • the wavelengths showing the maximum absorbances of two or more kinds of light absorbers having different wavelengths in the range of 380 nm or more and 730 nm or less are arranged in ascending order.
  • the difference between the adjacent wavelengths of any of them, or only one of ⁇ (1) -380 nm or 730 nm- ⁇ (n) is 160 nm or more in the wavelength range of 380 nm to 730 nm.
  • the molded body of the present invention can selectively transmit only the light having a wavelength between them at this location, the light emitted from the light source (LED) having a specific emission wavelength or the white light source.
  • the white light emitted from the molded body By transmitting the white light emitted from the molded body through the molded body, the light transmitted through the molded body can be made into colored light, that is, light of a specific wavelength can be selectively transmitted to exhibit a specific color tone. can.
  • the light absorber (L) in the present invention satisfies condition 1.
  • condition 1 since there is only one i satisfying ⁇ (i + 1) ⁇ (i) ⁇ 160 nm (Equation (5)), light having a wavelength between ⁇ (i) and ⁇ (i + 1) is present. It is possible to obtain a molded body capable of selectively transmitting the above.
  • the light absorber (L) in the present invention satisfies condition 2.
  • a molded body capable of transmitting light having a wavelength between 380 nm and ⁇ (1) can be obtained.
  • the light absorber (L) does not contain the light absorber (A), the condition 1 is satisfied, and the i satisfying the formula (5) is only n. That is, equation (5') ⁇ (n + 1) - ⁇ (n) ⁇ 160 nm ⁇ ⁇ ⁇ (5') , And i other than n does not satisfy the formula (5) and satisfies the formula (6).
  • ⁇ (n + 1) - ⁇ (n) is 160 nm or more, a molded product capable of selectively transmitting light having a wavelength between ⁇ (n) and 730 nm can be obtained. Can be done.
  • the total light transmittance of the molded product is lowered by using two or more types of light absorbers (L) having different wavelengths showing the maximum value of absorbance in the wavelength range of 380 nm or more and 730 nm or less. can do.
  • the wavelength contained in the light absorber (L) is 380 nm or more and 730 nm.
  • the wavelengths indicating the maximum absorbance of two or more types of light absorbers having different wavelengths indicating the maximum absorbance in the following range are arranged in ascending order, the difference between the adjacent wavelengths of any of them, or
  • the combination of light absorbers may be adjusted so that only one of ⁇ (1) -380 nm or 730 nm- ⁇ (n) has a wavelength of 160 nm or more in the wavelength range of 380 nm to 730 nm.
  • the light absorber (B) since the light absorber (B) has a maximum absorbance in the wavelength range of 380 nm or more and 730 nm or less in the range of 630 nm or more and 700 nm or less, it transmits light in the wavelength region of 730 nm or more. Does not impair the solar transmittance of. Further, by setting the light transmittance at a wavelength of 770 nm to 0.5% or more or 5% or more, the solar transmittance of the molded product of the present invention can be sufficiently increased.
  • the wavelength is in the range of 430 nm or more and 700 nm or less.
  • the wavelength showing the maximum value of the light transmittance is in the range of 430 nm or more and less than 680 nm.
  • the unsatisfied light absorber (L) By using the unsatisfied light absorber (L), a molded product having a wavelength in the range of 430 nm or more and less than 700 nm and a wavelength showing the maximum value of light transmittance in the range of 430 nm or more and less than 680 nm can be obtained. ..
  • thermoplastic resin composition in the molded product (2) of the present invention can be produced by mixing a methacrylic resin and two or more kinds of light absorbers (L).
  • a mixing method a known method can be adopted.
  • a mixer such as a Henschel mixer, a ribbon blender, a Banbury mixer, or a drum tumbler is used for mixing, and further, a single-screw screw extruder or a twin-screw screw extruder is used.
  • the thermoplastic resin composition of the present invention is produced by kneading at a melting temperature of 200 to 300 ° C. for 5 to 60 minutes using a kneader such as a multi-screw screw extruder.
  • the molded product or the thermoplastic resin composition in the present invention may contain other additives as long as the original performance is not impaired.
  • other additives include impact resistance modifiers, ultraviolet absorbers, light stabilizers, antioxidants, and mold release agents.
  • impact resistance modifiers include impact resistance modifiers, ultraviolet absorbers, light stabilizers, antioxidants, and mold release agents.
  • one type may be used alone, or two or more types may be used in combination.
  • FIG. 1 is a schematic view showing an example of the display device of the present invention.
  • the display device 1 of the present invention includes a light source 10 and a molded body 12 of the present invention arranged so that light 20 emitted from the light source is transmitted. Since the molded product of the present invention has excellent jet-blackness and can selectively transmit light of a specific wavelength to exhibit a specific color tone, even when a white light source is used as the light source 10, the light source can be used.
  • the white light source include incandescent lamps, fluorescent lamps, LED lamps, and HID lamps.
  • One type of white light source may be used alone, or two or more types may be used in combination.
  • the light source 10 used in the display device 1 of the present invention may be a light source other than the white light source.
  • a display device having excellent red transmitted light intensity can be obtained by combining a known red light emitting diode (red LED) and a molded body of the present invention that transmits red light. Obtainable.
  • red LED red light emitting diode
  • a display device having excellent blue transmitted light intensity can be obtained by combining a known blue light emitting diode (blue LED) and a molded body of the present invention that transmits blue light. Can be done.
  • blue LED blue light emitting diode
  • a known white light source and a molded product of the present invention that transmits yellow light or orange light are combined to provide excellent yellow or orange transmitted light intensity.
  • a display device can be obtained.
  • the light source 10 and the molded body 12 may be at a distance such that the hue of the light 22 emitted from the light source and transmitted through the molded body 12 can be visually confirmed, and the intensity of the light of the light source is extremely limited. Since it is not necessary to increase the size, it is preferably 0.1 cm or more and 100 cm or less, and more preferably 0.1 cm or more and 30 cm or less.
  • Thermoplastic resin Methacrylic resin (trade name "Acrypet (registered trademark) VH", manufactured by Mitsubishi Chemical Corporation)
  • the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the molded body is such that light having a wavelength of 380 nm or more and 780 nm or less is transmitted from the back surface of the molded body, and the light transmitted from the surface of the molded body is a spectrophotometer (model name "U4100"). , Made by Hitachi High-Technologies Co., Ltd.).
  • the L * value of the reflected light of the molded body is based on ISO 11664-4, using a spectrophotometer (model name "U4100", manufactured by Hitachi High-Technologies Corporation), C light source, and viewing angle of 2 °. Then, it was calculated from the tristimulus values X, Y, and Z measured by the reflection measurement. In the reflection measurement, an integrating sphere was used to integrate the specular reflection component and the diffuse reflection component to receive light.
  • the total light transmittance of the molded product was measured using a transmittance meter (model name "HM-100", manufactured by Murakami Color Technology Laboratory Co., Ltd.) in accordance with ISO 13468-1.
  • "0%” shown in Table 2 is a low value exceeding the detection limit, and is at least 0.1% or less from the reading accuracy of the transmissometer.
  • Solar transmittance As an index of heat ray shielding property, the solar transmittance was measured by the following procedure according to JIS R3106.
  • a test piece of a resin molded body (length 50 mm x width 50 mm, thickness: 3 mm) has a wavelength of 300 to 2100 nm using an ultraviolet-visible near-infrared spectrophotometer (manufactured by Hitachi High-Tech Science Co., Ltd., model name: UH4150).
  • the spectral transmittance (unit:%) of the above was measured, and the solar radiation transmittance was calculated based on JIS R3106.
  • White light (LED lamp, trade name "Maglite ST2D") was transmitted from the back surface of the molded body, and the color of the light transmitted from the surface of the molded body was visually confirmed.
  • Example 1 100 parts by mass of thermoplastic resin, 0.18 parts by mass of light absorber (A1), 0.18 parts by mass of light absorber (B1), using Henshell mixer (model name "SMV-20", manufactured by Kawata Co., Ltd.) After mixing, the mixture was kneaded at a melting temperature of 250 ° C. using a twin-screw extruder (model name “PCM45”, manufactured by Ikegai Co., Ltd.) to obtain pellets of a thermoplastic resin composition. The obtained pellets of the thermoplastic resin composition are injection-molded at a cylinder temperature of 250 ° C. and a mold temperature of 60 ° C.
  • FIG. 2 shows the transmittance of light having a wavelength of 380 nm or more and 780 nm or less of the obtained molded product.
  • Examples 2 to 5, Comparative Examples 1 to 3 A molded product was obtained in the same manner as in Example 1 except that the light absorber used was changed as shown in Table 1.
  • the numbers in the table indicate the content (parts by mass).
  • Table 2 shows the evaluation results of the obtained molded product. Further, the transmittances of light having a wavelength of 380 nm or more and 780 nm or less of the molded products obtained in Examples 2 to 5 and Comparative Examples 1 to 3 are shown in FIGS. 3 to 9, respectively.
  • the molded bodies obtained in Examples 1 to 5 have high solar transmittance, excellent jet-blackness when the light source is turned off, and when the light source is turned on, light of a specific wavelength is selected as shown in FIGS. 2 to 5 and 9. It was possible to exhibit a specific color tone by making it transparent.
  • the molded products obtained in Comparative Examples 1 to 3 were excellent in jet-blackness, and as shown in FIGS. 6 to 8, they were able to selectively transmit light of a specific wavelength and exhibit a specific color tone.
  • the solar transmittance was low.
  • the molded product of the present invention has excellent jet-blackness when the light source is turned off, and can selectively transmit light of a specific wavelength when the light source is turned on to exhibit a specific color tone. Furthermore, the solar transmittance is high. Therefore, it is difficult to store heat, and it is difficult to cause deformation, deterioration, or thermal cracking due to heat. Therefore, it can be suitably used for display devices for displaying letters, numbers, signals, etc .; vehicle exterior parts such as pillars, garnishes, front grilles, bumpers, moldings; and exterior members that require a high-class appearance. In particular, it can be suitably used for a display device.
  • Display device 10 Light source 12 Mold 20 Light emitted from the light source 22 Light emitted from the light source and transmitted through the molded body

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Optical Filters (AREA)
PCT/JP2021/011520 2020-03-24 2021-03-19 成形体及び表示装置 Ceased WO2021193471A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP21776434.9A EP4130811A4 (en) 2020-03-24 2021-03-19 MOLDED BODY AND DISPLAY DEVICE
CN202180014093.1A CN115104046B (zh) 2020-03-24 2021-03-19 成型体及显示装置
JP2021523333A JP7192983B2 (ja) 2020-03-24 2021-03-19 成形体及び表示装置
KR1020227031959A KR102813152B1 (ko) 2020-03-24 2021-03-19 성형체 및 표시 장치
US17/816,516 US12461290B2 (en) 2020-03-24 2022-08-01 Molded product and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-052857 2020-03-24
JP2020052857 2020-03-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/816,516 Continuation US12461290B2 (en) 2020-03-24 2022-08-01 Molded product and display device

Publications (1)

Publication Number Publication Date
WO2021193471A1 true WO2021193471A1 (ja) 2021-09-30

Family

ID=77891764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/011520 Ceased WO2021193471A1 (ja) 2020-03-24 2021-03-19 成形体及び表示装置

Country Status (7)

Country Link
US (1) US12461290B2 (https=)
EP (1) EP4130811A4 (https=)
JP (1) JP7192983B2 (https=)
KR (1) KR102813152B1 (https=)
CN (1) CN115104046B (https=)
TW (1) TWI886231B (https=)
WO (1) WO2021193471A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0844049A (ja) * 1994-08-01 1996-02-16 Sekisui Chem Co Ltd 着色レジスト膜
JP2009069822A (ja) * 2007-08-22 2009-04-02 Mitsubishi Chemicals Corp 樹脂ブラックマトリックス、遮光性感光性樹脂組成物、ｔｆｔ素子基板及び液晶表示装置
JP2011012247A (ja) 2009-06-05 2011-01-20 Kaneka Corp 漆黒性に優れたゴム変性アクリル系樹脂組成物、及びその成形体
WO2016098746A1 (ja) 2014-12-18 2016-06-23 三菱レイヨン株式会社 成形体、熱可塑性樹脂組成物及び表示装置
JP2020052857A (ja) 2018-09-28 2020-04-02 大和ハウス工業株式会社 推定システム及び推定方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6822041B2 (en) * 2002-11-21 2004-11-23 General Electric Company Non-streaking black color formulations for polycarbonate-siloxane copolymers and blends
JP6015022B2 (ja) 2011-02-16 2016-10-26 三菱化学株式会社 ポリカーボネート樹脂組成物及び成形品
US9057835B2 (en) * 2011-06-06 2015-06-16 Ppg Industries Ohio, Inc. Coating compositions that transmit infrared radiation and exhibit color stability and related coating systems
WO2014061429A1 (ja) * 2012-10-15 2014-04-24 旭化成ケミカルズ株式会社 熱可塑性樹脂組成物及びその成形体
JP2014169432A (ja) * 2013-02-07 2014-09-18 Toyo Ink Sc Holdings Co Ltd 分散組成物、塗料組成物、塗膜、および着色物
CN105358625B (zh) * 2013-07-03 2017-03-15 三菱工程塑料株式会社 热塑性树脂组合物
CN113050213B (zh) * 2016-12-26 2022-10-21 Ａｇｃ株式会社 紫外线透射滤波器
KR102449562B1 (ko) * 2017-11-27 2022-10-07 현대모비스 주식회사 자동차 내장부품용 투광성 부재
EP3763994B1 (en) 2018-03-07 2026-04-22 Mitsubishi Chemical Corporation Transparent resin composition, resin molded body, lamp cover, lamp cover for vehicles, combination lamp cover, and vehicle
EP3990280A4 (en) 2019-06-28 2023-07-26 Trinseo Europe GmbH ULTRA-LOW HEAT BUILD-UP PROTECTIVE LAYER

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0844049A (ja) * 1994-08-01 1996-02-16 Sekisui Chem Co Ltd 着色レジスト膜
JP2009069822A (ja) * 2007-08-22 2009-04-02 Mitsubishi Chemicals Corp 樹脂ブラックマトリックス、遮光性感光性樹脂組成物、ｔｆｔ素子基板及び液晶表示装置
JP2011012247A (ja) 2009-06-05 2011-01-20 Kaneka Corp 漆黒性に優れたゴム変性アクリル系樹脂組成物、及びその成形体
WO2016098746A1 (ja) 2014-12-18 2016-06-23 三菱レイヨン株式会社 成形体、熱可塑性樹脂組成物及び表示装置
JP2020052857A (ja) 2018-09-28 2020-04-02 大和ハウス工業株式会社 推定システム及び推定方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4130811A4

Also Published As

Publication number Publication date
KR102813152B1 (ko) 2025-05-28
US12461290B2 (en) 2025-11-04
TW202142619A (zh) 2021-11-16
EP4130811A1 (en) 2023-02-08
JP7192983B2 (ja) 2022-12-20
CN115104046B (zh) 2025-03-04
TWI886231B (zh) 2025-06-11
EP4130811A4 (en) 2023-09-20
CN115104046A (zh) 2022-09-23
JPWO2021193471A1 (https=) 2021-09-30
US20220373727A1 (en) 2022-11-24
KR20220141859A (ko) 2022-10-20

Similar Documents

Publication Publication Date Title
JP7503545B2 (ja) 粒子及び着色剤を含むポリマー組成物、その調製方法及びその使用
EP1494891B1 (en) Automotive headlamp, lens or bezel with visual effect
JP7052808B2 (ja) カラー表示装置、車両内外装部材、照明灯用ランプ、表示用看板及び車両
US11269130B2 (en) Transparent resin composition, resin molded body, lamp cover, lamp cover for vehicles, combination lamp cover, and vehicle
JP7075713B2 (ja) 分散体、着色層、着色膜、着色基材、着色合わせ基材、およびインク
JP6672797B2 (ja) 成形体、熱可塑性樹脂組成物及び表示装置
WO2024139850A1 (zh) 一种聚甲基丙烯酸甲酯合金及其制备方法和应用
JP7192983B2 (ja) 成形体及び表示装置
CN101287785A (zh) 具有蓝色、绿色、黄色或红色发光二极管的照明装置
EP4036469B1 (en) Indicator lamp, vehicle indicator lamp with said indicator lamp, vehicle exterior member, and vehicle
JP7805424B1 (ja) 樹脂成形品
JPH0461329B2 (https=)

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2021523333

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21776434

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202237051451

Country of ref document: IN

ENP Entry into the national phase

Ref document number: 20227031959

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2021776434

Country of ref document: EP

Effective date: 20221024

WWG Wipo information: grant in national office

Ref document number: 202180014093.1

Country of ref document: CN