Process for Production of Laminated Glass Interleaved with Plastic Film and Laminated Glass Interleaved with Plastic Film

• Main Authors: YONEKURA MASAAKI, IZUTANI KENSUKE, NAKAMURA ISAO, SAKAMOTO HIROMICHI, TAKAMATSU ATSUSHI
• Format: Patent
• Language: English
• Published: 28.04.2011
• Subjects: GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TRANSPORTING

According to the present invention, there is provided a production process of a plastic film-inserted laminated glass, the plastic film-inserted laminated glass having a laminated film in which a plastic film of 30 to 200 μm in thickness is sandwiched between two resin intermediate films and two glass plates, the process including at least the following three steps: a step 1 for forming a laminate in which the glass plate, the resin intermediate film, the plastic film, the resin intermediate film and the glass plate are laminated together in order of mention; a step 2 for degassing the formed laminate; and a step 3 for bonding the degassed laminate by pressing and heating, wherein the steps 1 and 2 are performed under conditions that the temperature of working atmosphere and the temperatures of the plastic film and resin intermediate films fall within a range of 10 to 25° C.