INTERLAYER FILM FOR LAMINATED GLASS AND LAMINATED GLASS

• Main Authors: TAKEDA YUMA, IWAMOTO TATSUYA, MINAKUCHI NAMI
• Format: Patent
• Language: English; Japanese
• Published: 14.05.2020
• Subjects: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GLASS; JOINING GLASS TO GLASS OR OTHER MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MINERAL OR SLAG WOOL; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide an interlayer film for laminated glass that can improve bending rigidity and appearance of laminated glass.SOLUTION: An interlayer film for laminated glass according to the present invention has a single-layer structure or a two or more-layer structure and includes a first layer containing a thermoplastic resin, in which the first layer contains silica particles, and the silica particles are porous.SELECTED DRAWING: Figure 1 【課題】合わせガラスの曲げ剛性を高めることができ、かつ合わせガラスの外観を良好にすることができる合わせガラス用中間膜を提供する。【解決手段】本発明に係る合わせガラス用中間膜は、１層の構造又は２層以上の構造を有する合わせガラス用中間膜であり、熱可塑性樹脂を含む第１の層を備え、前記第１の層がシリカ粒子を含み、前記シリカ粒子が多孔質である。【選択図】図１