| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laminated glass having an excellent noise insulation and excellent adhesive strength with glass and an interlayer film. <P>SOLUTION: The laminated glass is obtained by laminating a plurality of glass plates through the interlayer film, wherein the laminated glass has, in the interlayer film, at least one layer that mainly includes a polyvinyl acetal-based resin having an acetalization degree of 70-85 mol% obtained by acetalizing a polyvinyl alcohol-based resin having a structural unit represented by general formula (1), wherein R<SP>1</SP>, R<SP>2</SP>and R<SP>3</SP>each independently denote a hydrogen atom or an organic group, X denotes a single bond or a bonding chain, and R<SP>4</SP>, R<SP>5</SP>and R<SP>6</SP>each independently denotes a hydrogen atom or an organic group. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
