Title:
LAMINATE FOAM SHEET, AND MOLDED ARTICLE THEREOF
Document Type and Number:
Japanese Patent JP2021133623
Kind Code:
A
Abstract:
To provide a laminate foam sheet excellent in quietness, thermal moldability, and mechanical strength and a molded article thereof.SOLUTION: A laminate foam sheet includes a foam layer (A) containing a polypropylene resin and a first non-foam layer (B) containing a polypropylene resin on at least one surface of the foam layer. The foam layer (A) has an isolated cell rate of 70% or more, a density of 50-1,000 kg/m3, a rate of air bubbles (I) of 40% or more calculated by a specific method and contains substantially no inorganic filler. The first non-foam layer (B) contains an inorganic filler of 5-40 mass% to the total mass of the first non-foam layer (B).SELECTED DRAWING: None
Inventors:
KITADE HIROAKI
YAMAGISHI TAKAMASA
YAMAGISHI TAKAMASA
Application Number:
JP2020032710A
Publication Date:
September 13, 2021
Filing Date:
February 28, 2020
Export Citation:
Assignee:
SEKISUI PLASTICS
International Classes:
B32B5/18; B32B27/20; B32B27/32; B62D25/20; C08J9/36
Domestic Patent References:
| JP2018154698A | 2018-10-04 | |||
| JP2010269510A | 2010-12-02 | |||
| JP2013199643A | 2013-10-03 | |||
| JP2019043049A | 2019-03-22 | |||
| JP2020138408A | 2020-09-03 |
Foreign References:
| WO2019111930A1 | 2019-06-13 |
Attorney, Agent or Firm:
Sumio Tanai
Suzuki Mitsuyoshi
Noriko Yanai
Suzuki Mitsuyoshi
Noriko Yanai