Patents Assigned to DIC Corporation
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Patent number: 11739242Abstract: Provided are a solvent-free two-component type adhesive capable of guaranteeing a practical packaging property, with an excellent curing property and significantly shortening aging time, a laminated film using the same, and a polyol composition for an adhesive. An adhesive, characterized in comprising a polyisocyanate composition (X) containing a polyisocyanate (A), and a polyol composition (Y) containing a polyol (C) and a tertiary amine compound (B) having multiple hydroxyl groups, as necessary components.Type: GrantFiled: October 27, 2021Date of Patent: August 29, 2023Assignee: DIC CorporationInventors: Makoto Nakamura, Daiki Tomita, Shigekazu Takahashi, Bingbing Liu, Feng Zhao, Zhiqiang Liu
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Patent number: 11739270Abstract: The present invention provides a compound represented by the general formula (i), which has a partial structure Ki1 represented by one of the general formulae (K-1) to (K-6) and has a ring B with at least one P-Sp- group and with at least one Ri2 (Ri2 denotes a linear or branched alkyl group having 2 to 10 carbon atoms or a linear or branched halogenated alkyl group having 2 to 10 carbon atoms, —CH2— in the alkyl or halogenated alkyl group is optionally substituted with —CH?CH—, —O—, —COO—, or —OCO—, but —O— is not adjacent to another —O—). Thus, the compound in a liquid crystal composition adsorbs to substrates between which the liquid crystal composition (a liquid crystal layer) exists. The compound can hold vertically aligned liquid crystal molecules, can improve alignment stability, and can ensure low-temperature storage stability.Type: GrantFiled: February 14, 2019Date of Patent: August 29, 2023Assignee: DIC CORPORATIONInventors: Masanao Hayashi, Ayaki Hosono, Shota Kosaka
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Publication number: 20230258501Abstract: When relation between a color of a color chip (a patch) in a color chart and a color of a color chip in an image-captured color chart is calculated, the color chip of the image-captured color chart was manually extracted by operating a keyboard or a mouse. Such an operation had a problem that an extraction error may occur, and that it takes time to manually extract all color chips in the color chart. The present invention solved the problem by a color chart in which recognition can be easily and automatically executed. The color chart includes a plurality of patches, and an automatic recognition marker configured to automatically recognize at least one of the plurality of patches.Type: ApplicationFiled: June 15, 2021Publication date: August 17, 2023Applicant: DIC CorporationInventors: Masato Takahashi, Yasuhiro Morihara, Norimichi Tsumura, Ryo Takahashi, Keiko Ogawa, Isseki Kin
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Publication number: 20230257588Abstract: The issue of the present invention is to provide a disazo pigment with high safety in which the content of chemical substances that may be harmful, in particular, in the food packaging field and the like and that may be regulated substances is reduced. A disazo pigment according to the present invention has a polychlorinated biphenyl content of less than 15 ppm and a primary aromatic amine content of less than 700 ppm. Preferably, the disazo pigment is at least one selected from a group consisting of C.I. Pigment Yellow 83, C.I. Pigment Yellow 13, and Cl. Pigment Yellow 14.Type: ApplicationFiled: June 28, 2020Publication date: August 17, 2023Applicant: DIC CorporationInventors: Shumei Ji, Issei Masuko, Masaki Hosaka, Kyoichi Okada, Nagatoshi Kobayashi, Xiyang Liao, Wei Zhao
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Publication number: 20230257272Abstract: A two-phase bicontinuous silica structure includes a phase containing silica as a main component and an air phase. The silica has a Q4 bond as a chemical bond, a content of molybdenum in the whole amount of the two-phase bicontinuous silica structure is 2.0% by mass or less, and the phase containing silica as a main component is amorphous.Type: ApplicationFiled: April 4, 2023Publication date: August 17, 2023Applicant: DIC CorporationInventors: Takanori Watanabe, Tomoki Dohi, Jianjun Yuan
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Publication number: 20230262884Abstract: A sensor device in which flexibility is ensured over the entirety of the device and that can be manufactured at low costs is provided. The sensor device having flexibility includes a flexible substrate, a temperature/humidity sensor connected to the flexible substrate, and an exterior body formed of a soft material. The temperature/humidity sensor has a waterproof moisture-permeable material that covers a detection surface. The exterior body has an opening that exposes the waterproof moisture-permeable material. The flexible substrate is bonded at at least a peripheral part thereof to the exterior body.Type: ApplicationFiled: June 10, 2021Publication date: August 17, 2023Applicant: DIC CorporationInventors: Shunji Baba, Hidefumi Nishi
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Publication number: 20230257638Abstract: Provided are a laminating adhesive, a laminate, and a packaging material which are excellent in retorting resistance and content resistance. The adhesive includes a polyol composition (A) including a polyester polyol (A1), and a polyisocyanate composition (B) including a polyisocyanate compound (B1), in which the polyester polyol (A1) is a reaction product of a composition including a polycarboxylic acid and a polyhydric alcohol, the polycarboxylic acid including a tetramer acid. The laminate and the packaging material are produced using the adhesive.Type: ApplicationFiled: June 3, 2021Publication date: August 17, 2023Applicant: DIC CorporationInventors: Hiroshi EBATO, Yutaka HAMASUNA, Takashi MIHARA
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Patent number: 11723389Abstract: The present invention provides an aqueous pigment-material solution which has excellent thermal stability and less fading particularly even under an acidic condition, a method for producing the same, and a blue-colored beverage. Provided are an aqueous pigment-material solution including a pigment material containing 20 mmol to 200 mmol of polycarboxylic acid having one or more hydroxy groups, in terms of carboxylic acid equivalent, per 1 g of phycocyanin, in which when both the phycocyanin and the polycarboxylic acid are added such that a color value represented by absorbance at 620 nm is 2.5 to 5, an optical density per 1 cm of an optical path length at 800 nm is 0.05 or lower at a hydrogen ion concentration (pH) of 3 or lower, a method for producing the aqueous pigment-material solution, and a blue-colored beverage.Type: GrantFiled: November 6, 2018Date of Patent: August 15, 2023Assignee: DIC CorporationInventors: Hiromasa Nakamura, Hisayoshi Arai, Junichi Itoh, Mitsuteru Ishiwara
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Publication number: 20230250243Abstract: To provide a fiber bundling agent containing: a vinyl ester resin (A) having an alkoxy polyoxyalkylene structure, a urethane bond, a (meth)acryloyl group, and an epoxy group; and an aqueous medium, in which the vinyl ester resin (A) has an epoxy equivalent of 3,500 g/eq to 11,000 g/eq. Since the fiber bundling agent is excellent in bundling properties and in interfacial shear strength between fiber resins, the fiber bundling agent is suitably used for production of a fiber material capable of imparting excellent strength to a molded product.Type: ApplicationFiled: June 3, 2021Publication date: August 10, 2023Applicant: DIC CorporationInventors: Fuchih LI, Kenji NAGAO
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Patent number: 11718809Abstract: The present invention relates to a lubricant containing molybdenum sulfide particles, and the molybdenum sulfide particles contain molybdenum disulfide having a 3R crystal structure. The present invention relates to a lubricating composition containing molybdenum sulfide particles, which are the lubricant, and a base oil which is a mineral oil, a synthetic oil, or a partially synthetic oil.Type: GrantFiled: December 7, 2020Date of Patent: August 8, 2023Assignee: DIC CorporationInventors: Yusuke Kano, Hironobu Oki, Tomoki Dohi, Jianjun Yuan
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Publication number: 20230242691Abstract: An object is to provide a cured product, for example, that is made with a curable resin composition containing a curable resin having a particular structure, a radical polymerization initiator, and a flame retardant and therefore is superior in flame retardancy, heat resistance (high glass transition temperature), and dielectric properties (low dielectric properties). Specifically, there are provided a curable resin represented by general formula (1) below and a curable resin composition containing this curable resin, a radical polymerization initiator (B), and a flame retardant (C). (In general formula (1) above, Y is a substituent represented by general formula (2) below, and the details of the substituents and the numbers of substituents presented in general formulae (1) and (2) above are as described in the text.Type: ApplicationFiled: May 20, 2021Publication date: August 3, 2023Applicant: DIC CorporationInventors: Lichen YANG, Ryuichi MATSUOKA, Hiroyoshi KANNARI
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Publication number: 20230242793Abstract: An object of the present invention is to provide an adhesive tape that has high conformability and high adhesion to an adherend, particularly, to a hard adherend and that has high removability such that the adhesive tape, when peeled off, can be easily peeled off if it is stretched not only in the horizontal direction of the adhesive tape but also at an angle, without the need to embrittle the adhesive tape, for example, by heating or by using an organic solvent and without leaving an adhesive on the adherend. The present invention relates to an adhesive tape including an adhesive layer containing a filler. The adhesive tape has a thickness of more than 150 ?m and less than 1,500 ?m, an elongation at break of 600% to 3,000%, and a tensile strength at break of 2.5 to 80.0 MPa.Type: ApplicationFiled: April 10, 2023Publication date: August 3, 2023Applicant: DIC CORPORATIONInventors: Daisuke Watanabe, Takamine Sugiura
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Publication number: 20230234346Abstract: A sealant film is provided in which a surface resin layer (A), an adhesive resin layer (B), a release resin layer (C), and a heat seal resin layer (D) are laminated. The adhesive resin layer (B) contains a thermoplastic elastomer (b1) and a tackifier resin (b2). The release resin layer (C) contains 40% by mass or more of an ethylene ionomer (c1) with a polar group concentration exceeding 5.5 mol % in a resin component contained in the release resin layer (C). The release resin layer (C) further contains 0 to 60% by mass of an ethylene ionomer (c2) with a polar group concentration of 5.5 mol % or less in the resin component contained in the release resin layer (C). The heat seal resin layer (D) contains an ethylene resin (d1).Type: ApplicationFiled: December 20, 2022Publication date: July 27, 2023Applicant: DIC CorporationInventors: Daiki Tomiya, Yuki Kaburagi, Takashi Moriya
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Publication number: 20230239419Abstract: An object of the invention is to provide an image display system and the like useful for a remote diagnosis and treatment using color information such as a skin color and a tongue color of a patient. There is provided an image display system including: a color chart including a plurality of patches that include at least three patches selected from a group consisting of first to seventh patches having specific colors; an imaging device configured to simultaneously image the color chart and a person to be imaged and acquire image data; and a display device configured to receive the image data and display the image data as an image on a display unit.Type: ApplicationFiled: June 15, 2021Publication date: July 27, 2023Applicant: DIC CorporationInventors: Masato Takahashi, Yasuhiro Morihara, Norimichi Tsumura, Ryo Takahashi, Keiko Ogawa, Isseki Kin
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Publication number: 20230235201Abstract: A PSA film includes a base material and a PSA layer on at least one side of the base material. The PSA layer has a temperature region, within the range of 70° C. to 100° C., in which its loss tangent tan? is 0.8 or greater. The PSA film can be peeled off through irradiation with active energy radiation.Type: ApplicationFiled: January 25, 2023Publication date: July 27, 2023Applicant: DIC CorporationInventors: Mai Hasebe, Daichi Katano, Hideaki Takei, Tatsuya Egashira, Yusuke Takahashi
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Publication number: 20230234263Abstract: Provided are a recycling system, a recycling method, and a laminate separation and recovery method, in which a wet crushing facility capable of crushing a laminate in water and separating the laminate simultaneously with the crushing. The recycling system according to the invention is a recycling system for recycling a plastic laminate having at least two or more layers into a recycled material, the recycling system including: a wet crushing facility configured to separate the laminate into single layers while crushing the laminate in water by performing pressure feeding simultaneously with crushing; and a facility configured to dispense and recover a crushed mixture of each of the separated single layers.Type: ApplicationFiled: April 22, 2021Publication date: July 27, 2023Applicant: DIC CorporationInventors: Yasuhiro Sente, Yoshitomo Nagata
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Publication number: 20230235195Abstract: An adhesive tape including an adhesive layer is provided. The adhesive layer has a biobased content of 50% or more by mass. The adhesive layer contains a reaction product of a urethane resin (A) and a cross-linking agent (B). The urethane resin (A) contains at least a structural unit derived from a biobased polyether polyol and a structural unit derived from an aromatic polyisocyanate. The adhesive layer has a gel fraction of 10% or more by mass and 80% or less by mass and a stress of less than 50 N/cm2 at 100% strain in a stress-strain curve.Type: ApplicationFiled: January 20, 2023Publication date: July 27, 2023Applicant: DIC CorporationInventors: Mai Hasebe, Hideaki Takei, Yusuke Takahashi, Yukie Uemura, Kumiko Karasawa
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Publication number: 20230220221Abstract: Provided is a VMP aluminum slurry that can satisfy metallic texture achieving high designability and demand characteristics of adhesion level with a base material. It has been found that when a coating material formed using a VMP aluminum slurry containing a specific dicarboxylic acid is made into a coating film, the adhesion with a base material is particularly excellent, and the VMP aluminum slurry of the present invention has been completed. The VMP aluminum slurry contains a dicarboxylic acid having an octanol/water partition coefficient (log Pow) of ?1 to 1 and a carbon chain of 2 to 5 carbon atoms between two carboxy groups, a VMP (vacuum metallized pigment) aluminum pigment, and a solvent.Type: ApplicationFiled: June 10, 2021Publication date: July 13, 2023Applicant: DIC CorporationInventor: Takanori Watanabe
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Publication number: 20230220222Abstract: An object of the present invention is to provide an inkjet aqueous composition that can sufficiently and easily prevent deterioration or corrosion of a silicon member that forms an ink channel. The present invention relates to an inkjet aqueous composition containing an aqueous medium and a surfactant, in which the surfactant includes a polysiloxane compound having a siloxane structure (—Si—O—) with a repetition number of 5 or more and 1000 or less, and to an inkjet aqueous ink, an inkjet aqueous primer, an inkjet aqueous cleaning liquid, an inkjet aqueous preservation liquid, and an inkjet recording device.Type: ApplicationFiled: March 18, 2021Publication date: July 13, 2023Applicant: DIC CorporationInventors: Ryota Ichikawa, Takahiro Nio, Keigo Gouda
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Patent number: 11697695Abstract: A polymerizable composition containing: a) a polymerizable compound having one or two or more polymerizable groups and satisfying formula (I): Re(450 nm)/Re(550 nm)<1.0 (I); b) at least one photopolymerization initiator selected from the group consisting of alkylphenone-based compounds, acylphosphine oxide-based compounds, and oxime ester-based compounds; and c) a polymerization inhibitor. An optically anisotropic body, a retardation film, an antireflective film, and a liquid crystal display device that are produced using the polymerizable liquid crystal composition. The polymerizable composition is excellent in solubility and has high storage stability, so that no precipitation of crystals etc. occurs. When a film-shaped polymer is produced by polymerizing the above composition, the unevenness of the surface of the coating film is small while the alignment of the liquid crystal is maintained, and high durability is obtained. Therefore, the polymerizable composition is useful.Type: GrantFiled: January 12, 2016Date of Patent: July 11, 2023Assignee: DIC CORPORATIONInventors: Kouichi Endo, Toru Ishii, Yasuhiro Kuwana, Kazuaki Hatsusaka, Mika Yamamoto