Title:
ANTIVIRAL FIBER BASE MATERIAL, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/054653
Kind Code:
A1
Abstract:
This antiviral sheet has an antiviral layer containing calcium hydroxide particles and a resin binder on a paper support, and an antiviral fiber base material satisfies the conditions in which (a) a loading amount of the calcium hydroxide particles is 1.0-50.0 g/m2 , and (b) the remaining rate of the calcium hydroxide is 20% or more when the calcium hydroxide particles are left for five days in a carbon dioxide curing device with a humidity of 60%RH, a temperature of 30 °C, and a carbon dioxide concentration of 2%.
Inventors:
HIRAYAMA KOKI (JP)
NAKAMURA AKINORI (JP)
SAWANO MASATAKE (JP)
NAKAMURA AKINORI (JP)
SAWANO MASATAKE (JP)
Application Number:
PCT/JP2021/032047
Publication Date:
March 17, 2022
Filing Date:
September 01, 2021
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
D06M11/44; B32B27/10; B32B27/18; B32B29/04; D06M11/30; D21H19/12; D21H21/36
Domestic Patent References:
| WO2016194284A1 | 2016-12-08 |
Foreign References:
| JP2010209490A | 2010-09-24 | |||
| JP2015093708A | 2015-05-18 | |||
| JP3222512U | 2019-08-08 | |||
| JP2019137962A | 2019-08-22 | |||
| US20120141568A1 | 2012-06-07 | |||
| CN104396965A | 2015-03-11 | |||
| JP2001288676A | 2001-10-19 | |||
| JP2018029527A | 2018-03-01 |
Attorney, Agent or Firm:
TAKATSU Kazuya (JP)
Download PDF: