TRANSPARENT SOUND INSULATING BOARD - SUMITOMO CHEMICAL CO

Title:

TRANSPARENT SOUND INSULATING BOARD

Document Type and Number:

Japanese Patent JP2011140774

Kind Code:

A

Abstract:

To provide a transparent sound insulating board which is excellent not only in weatherability and impact resistance hardly causing scattering of broken pieces, even when it is broken by receiving a strong impact but also in transparency and visibility.

This transparent sound insulating board includes an acrylic resin layer (A), a flexible epoxy resin layer, and an acrylic resin layer (B). In the transparent sound insulating board, the acrylic resin layer (A), the flexible epoxy resin layer, and the acrylic resin layer (B) are stacked in this order. Preferably, at least one of the acrylic resin layers (A) and (B) contains a phosphoric ester. Preferably, the phosphoric ester is a halogenated phosphoric ester.

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Inventors:

OGURA KOJI
IWASAKI KATSUHIKO
SHIKIYAMA TETSUHIRO

Application Number:

JP2010001057A

Publication Date:

July 21, 2011

Filing Date:

January 06, 2010

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO
NIPPURA CO LTD

International Classes:

E01F8/00; G10K11/16

Attorney, Agent or Firm:

Toshikazu Fukai

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