Title:
PHENOL RESIN FOAM COMPOSITE BODY
Document Type and Number:
Japanese Patent JP2022157548
Kind Code:
A
Abstract:
To provide a phenol resin foam article which improves brittleness on a surface of a foam, and is reduced in expansion by a volatile component that is generated over time after production of a phenol resin foam.SOLUTION: A phenol resin foam composite body includes a phenol resin foam, and a film on at least a partial surface of the phenol resin foam, wherein the film is formed of a polymer material, the film has a plurality of holes, a ratio of the total area of the hole in a surface of the film having the hole is 0.1% or more and 12.0% or less, a maximum hole area of the hole is 1.0 mm2 or less, and film thickness of the film is within a range of 5 μm or more and 1,000 μm or less.SELECTED DRAWING: Figure 1
Inventors:
ARITO YUICHI
MITSUBORI HISASHI
MITSUBORI HISASHI
Application Number:
JP2021061834A
Publication Date:
October 14, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
ASAHI KASEI CONSTR MAT CO LTD
International Classes:
B32B5/32; B32B27/42; C08J9/42
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Koichiro Kami
Masaki Kato
Mitsutsugu Sugimura
Koichiro Kami
Masaki Kato