FIELD: films.
SUBSTANCE: invention relates to an interlayer film containing an optical functional layer for laminated glass. Contains an optical functional layer (15) and the first layer (11) of thermoplastic resin located on the side of one surface (15A) of the optical functional layer (15). The optical functional layer (15) contains a matrix polymer, a photoreactive monomer polymer and a photopolymerization initiator. The first thermoplastic resin layer (11) contains an ultraviolet absorber and has a transmission at a wavelength of 400 nm of 20% or less.
EFFECT: invention provides an interlayer film characterized by light resistance, in which the optical functional layer, which constitutes a volume hologram, does not deteriorate in quality under the influence of light, even when the interlayer film is irradiated with sunlight for an extended period of time.
11 cl, 3 dwg, 1 tbl, 5 ex
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