ULTRAVIOLET ABSORBING AGENT, ULTRAVIOLET ABSORBING COMPOSITION, ULTRAVIOLET ABSORBING FILM, LAMINATE, AND NOVEL COMPOUND

    公开(公告)号:US20220064458A1

    公开(公告)日:2022-03-03

    申请号:US17522943

    申请日:2021-11-10

    Inventor: Takashi KATOU

    Abstract: Provided are an ultraviolet absorbing agent represented by General Formula (1) and an application thereof. In General Formula (1), R11 represents a monovalent substituent. n is 1 or 2. W1 and W2 each independently represent a hydrogen atom, a cyano group, a carbamoyl group, a sulfamoyl group, a nitro group, an acyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkyl group, an aryl group, or a heterocyclic group, where at least one of W1 or W2 represents a substituent having a Hammett's substituent constant σp value of 0.2 or more. W1 and W2 may be bonded to each other to form a ring.

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