Patent ID: 7754337

Claim:
A method of reforming an interlayer film for heat-insulating laminated glass, wherein a high energy ray comprising an electromagnetic wave having energy of 3.0 eV or more is irradiated to an interlayer film for heat-insulating laminated glass comprising a heat-insulating particle covered with an inert substance, a matrix resin, and a liquid plasticizer, to improve transmittance of visible light having a wavelength of 380 to 780 nm, and also to reduce transmittance of a near-infrared radiation having a wavelength of 780 to 2100 nm, and wherein the inert substance is at least one member selected from the group consisting of an insulating metal oxide having band gap energy of 5.0 eV or more, ammonium phosphomolybdate (hydrate), ammonium phosphovanadate (hydrate), ammonium phosphotungstate (hydrate), ammonium phosphate (hydrate), a hydroxy apatite, a carbonate apatite, a fluoride apatite, a tricalcium phosphate, an octacalcium phosphate, organosilane compound, an organotitanium compound, an organoaluminium compound, an organozirconium-aluminium compound, a quaternary-ammonium-salt compound, a Mo(η 3 —C 3 H 5 ) 4 complex, a Cr (η 3 —C 3 H 5 ) 3 complex, a Co 2 (CO) 8 cluster, and a Ru 3 (CO) 12 cluster, and wherein agglomerates of the heat-insulating particle have an average particle size of 10 to 100 nm.