RESIN LAYERED BODY
    81.
    发明申请

    公开(公告)号:US20220288900A1

    公开(公告)日:2022-09-15

    申请号:US17636310

    申请日:2020-08-06

    摘要: Provided is a resin laminate having: a polyester layer containing a polyester resin (A); and a mixed resin layer containing a polyamide resin (B) and a polyester resin (C). The polyamide resin (B) includes a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid, with 70 mol % or greater of the constituent derived from a diamine being a constituent unit derived from xylylenediamine, and 70 mol % or greater of the constituent unit derived from a dicarboxylic acid being a constituent unit derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. Further, a radical concentration in the mixed resin layer is 1×10−12 mol/g or greater. Also provided are a multilayered film and a multilayered container formed from the resin laminate.

    METHOD FOR PRODUCING ALPHA-ACYLOXYCARBOXYLIC ACID ESTER

    公开(公告)号:US20220274909A1

    公开(公告)日:2022-09-01

    申请号:US17627626

    申请日:2020-07-09

    IPC分类号: C07C67/08 C07B61/00

    摘要: A method for producing an α-acyloxycarboxylic acid ester of Formula (1) is described. The method involves reacting an α-hydroxycarboxylic acid ester compound with an acylating agent in the presence of a catalyst comprising an iron halide compound. R1 represents a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, or a tert-butyl group, R2 and R3 each independently represent a methyl group or an ethyl group, and R4 represents a linear, branched, or cyclic alkyl group having from 1 to 6 carbon atoms.

    Method for controlling polyimide backbone structure and method for producing polyimide

    公开(公告)号:US11421079B2

    公开(公告)日:2022-08-23

    申请号:US16083099

    申请日:2017-02-24

    IPC分类号: C08G73/10

    摘要: A method for controlling a polyimide backbone structure, including: in preparation of a polyimide through reaction of a diamine component and (1S,2R,4S,5R)-cyclohexanetetracarboxylic dianhydride in an organic solvent containing an aprotic amide solvent and a lactone solvent, adjusting one or more of reaction conditions of a mass ratio of the aprotic amide solvent and the lactone solvent, a reaction temperature, a reaction time, and an amount of the aprotic amide solvent, so as to convert a cis-structure derived from the (1S,2R,4S,5R)-cyclohexanetetracarboxylic dianhydride in the formed polyimide to a trans-structure derived from (1R,2S,4S,5R)-cyclohexanetetracarboxylic dianhydride corresponding to the reaction conditions, thereby controlling a proportion of the trans-structure.

    UNDERLAYER FILM FORMING COMPOSITION FOR LITHOGRAPHY, UNDERLAYER FILM FOR LITHOGRAPHY, AND PATTERN FORMATION METHOD AND PURIFICATION METHOD

    公开(公告)号:US20220260910A1

    公开(公告)日:2022-08-18

    申请号:US17614188

    申请日:2020-05-25

    摘要: An object of the present invention is to provide a resist underlayer film forming composition for lithography that has features of having excellent smoothing performance on an uneven substrate, good embedding performance into a fine hole pattern, and a smoothed wafer surface after film formation. The object can be solved by the following composition.
    An underlayer film forming composition for lithography, comprising: a: an oligomer having an aralkyl structure represented by the following formula (1-0); and b: a solvent, wherein Ar0 represents a phenylene group, a naphthylene group, an anthrylene group, a phenanthrylene group, a pyrylene group, a fluorirene group, a biphenylene group, a diphenylmethylene group, or a terphenylene group; R0 is a substituent on Ar0, and each R0 is independently the same or different groups and represents a hydrogen atom, an alkyl group having 1 to 30 carbon atoms and optionally having a substituent, an aryl group having 6 to 30 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 30 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 30 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 30 carbon atoms and optionally having a substituent, an acyl group having 1 to 30 carbon atoms and optionally having a substituent, a group including a carboxyl group having 1 to 30 carbon atoms and optionally having a substituent, an amino group having 0 to 30 carbon atoms and optionally having a substituent, a halogen atom, a cyano group, a nitro group, a thiol group, or a heterocyclic group; X represents a linear or branched alkylene group; n represents an integer of 1 to 500; r represents an integer of 1 to 3; p represents a positive integer; and q represents a positive integer.

    POLYCARBONATE RESIN
    85.
    发明申请

    公开(公告)号:US20220259373A1

    公开(公告)日:2022-08-18

    申请号:US17628723

    申请日:2020-07-27

    IPC分类号: C08G64/16 C08L69/00

    摘要: Provided is a polycarbonate resin having a structural unit (I) represented by formula (1) below: wherein L1 and L2 each independently represent a divalent linking group selected from an alkylene group, a cycloalkylene group, an arylene group, an oxyalkylene group, an oxyarylene group, and a group formed by combining two or more of these, where one or more hydrogen atoms of the linking group are optionally further replaced with substituents, and two of the substituents are optionally bonded to each other to form a ring structure.

    Functional sheet
    86.
    发明授权

    公开(公告)号:US11409025B2

    公开(公告)日:2022-08-09

    申请号:US16629782

    申请日:2018-07-05

    摘要: Provided is a functional polyamide sheet in which air bubbles are not generated or are reduced in a polarizing and/or photochromic functional sheet when the polarizing and/or photochromic functional sheet are/is manufactured using a sheet or film formed by a polyamide resin as a protective layer, and a functional polyamide lens using the functional polyamide sheet.
    Provided are a polyamide functional sheet obtained by disposing a protective layer formed by a transparent plastic sheet or film on at least one surface of a functional layer, which is a polyvinyl alcohol-based polarizing film layer, a photochromic layer, or a combination of these layers, with an adhesive layer being interposed therebetween, in which the protective layer is a sheet or film formed by a polyamide resin, and an oxygen transmission rate at 23° C. and 85% RH is 50 cm3/m2·24 hr·bar or more, and a functional polyamide lens using the polyamide functional sheet.

    MULTILAYERED BODY AND METHOD FOR MANUFACTURING SAME

    公开(公告)号:US20220203651A1

    公开(公告)日:2022-06-30

    申请号:US17601375

    申请日:2020-03-04

    摘要: To provide a multilayered body with high adhesion between a resin layer containing a nanofiber or the like and a metal layer, and a method for manufacturing a multilayered body. The multilayered body contains: a metal layer having an uneven region with an average length (RSm) of a contour curve element from 0.5 to 10 μm; and a resin layer in contact with the uneven region of the metal layer, the resin layer containing a thermoplastic resin and a fibrous filler, the fibrous filler having a number average fiber diameter (F) of less than 1 μm, and a ratio (RSm/F) of the average length (RSm) of the contour curve element of the uneven region to the number average fiber diameter (F) from 1 to 20000.

    AMINE COMPOSITION, AMINE COMPOUND, PRODUCTION METHOD, AND APPLICATION THEREOF

    公开(公告)号:US20220194892A1

    公开(公告)日:2022-06-23

    申请号:US17433134

    申请日:2020-02-21

    发明人: Yuiga ASAI

    摘要: Provided are a novel amine composition and a novel amine compound. Also provided are a method for producing the amine composition and amine compound, and an epoxy resin curing agent, an epoxy resin composition, a cured product, a urethane prepolymer curing agent, a polyurethane urea resin composition, a polyamide varnish, and a polyamide, each obtained using the amine composition and amine compound. The amine composition contains a compound represented by Formula (1), wherein A is a cyclic alkylene group, and B is a group containing an aryl group or a heteroaryl group.

    POLYCARBONATE RESIN
    90.
    发明申请

    公开(公告)号:US20220177644A1

    公开(公告)日:2022-06-09

    申请号:US17598531

    申请日:2020-03-30

    IPC分类号: C08G64/14

    摘要: A terminally modified polycarbonate resin that has ultraviolet absorbing capability is provided. More specifically, the terminally modified polycarbonate resin has a structure represented by general formula (A) and a constituent unit that is derived from a dihydric phenol. (In general formula (A), R1 represents a hydrogen atom or an alkyl group having 1-6 carbon atoms; R2 represents an alkylene group having 1-6 carbon atoms; R3 represents a hydrogen atom or a methyl group; R4 represents a hydrogen atom or a halogen atom; and * represents the bonding position to the main chain of the polycarbonate resin.)