Title:
耐火積層シート
Document Type and Number:
Japanese Patent JP7422612
Kind Code:
B2
Abstract:
To provide a fireproof laminate sheet excellent in fireproof and heat shielding properties when exposed to high heat.SOLUTION: The fireproof laminate sheet is obtained by laminating a first hard PVC sheet, a soft PVC sheet, and a second hard PVC sheet in this order, where the soft PVC sheet is composed of a soft polyvinyl chloride composition, the first hard PVC sheet and the second hard PVC sheet are composed of hard polyvinylchloride compositions, and the soft PVC sheet contains a phosphoric acid ester-based plasticizer, phosphorous acid aluminum, and heat-expandable graphite.SELECTED DRAWING: None
Inventors:
Toya Kobayashi
Akiro Tamura
Naoyasu Noda
Akiro Tamura
Naoyasu Noda
Application Number:
JP2020100383A
Publication Date:
January 26, 2024
Filing Date:
June 09, 2020
Export Citation:
Assignee:
Shin-Etsu Polymer Co., Ltd.
International Classes:
B32B27/30; C08K3/04; C08K3/32; C08K5/521; C08L27/06; C09K21/02; C09K21/04
Domestic Patent References:
| JP2017128712A | ||||
| JP2019096410A | ||||
| JP2020040385A | ||||
| JP2018070880A | ||||
| JP2018035288A |
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Yuichiro Kawagoe
Shunsuke Fushimi
Yuichiro Kawagoe
Shunsuke Fushimi