Title:
FOAM BODY, LAYERED FOAM BODY, RESIN SHEET, AND HOUSING BUILDING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/172833
Kind Code:
A1
Abstract:
The present invention provides a foam body that has good foaming properties and demonstrates extremely good vibration damping properties, while being light, and is useful for the recycling of an intermediate film for laminated glass; a layered foam body; and a resin sheet. In addition, the purpose of the present invention is to provide a housing building material using the foam body, layered foam body and resin sheet. The present invention is a foam body having numerous bubbles, and contains polyvinyl acetal, a plasticizer, and a hydrogenated petroleum resin, the hydrogenated petroleum resin including a compound having a softening point of at least 130°C.
Inventors:
MASUYAMA YOSHIKAZU (JP)
TAKAHASHI KATSUNORI (JP)
HAMADA TAKANORI (JP)
TAKAHASHI KATSUNORI (JP)
HAMADA TAKANORI (JP)
Application Number:
PCT/JP2022/004146
Publication Date:
August 18, 2022
Filing Date:
February 03, 2022
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C08J9/04; B32B5/24; C08K3/013; C08L29/14; C08L57/00
Domestic Patent References:
| WO2019009352A1 | 2019-01-10 | |||
| WO2015087955A1 | 2015-06-18 | |||
| WO2018016536A1 | 2018-01-25 |
Foreign References:
| CN108384163A | 2018-08-10 | |||
| JP2016194019A | 2016-11-17 | |||
| JP2019183177A | 2019-10-24 | |||
| US20200095391A1 | 2020-03-26 | |||
| US20080064775A1 | 2008-03-13 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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