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Patent Searching and Data


Title:
BASE SHEET FOR TOTAL HEAT EXCHANGER ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/151211
Kind Code:
A1
Abstract:
Provided is a base sheet for a total heat exchanger element, which exhibits high moisture permeability, an appropriate degree of moisture absorption and excellent flame resistance and gas barrier properties while having a low basis weight. This base sheet for a total heat exchanger element is obtained by incorporating calcium chloride in a paper base material, and is characterized in that: the paper base material contains a pulp having a freeness of 200-600 mL, as measured in accordance with JIS P 8121 except that the pulp collection amount is 0.3 g/L; the bone-dry basis weight of the paper base material is not less than 17 g/m2 and less than 23 g/m2; and the content of the calcium chloride is not less than 6 g/m2 and less than 9 g/m2.

Inventors:
HAGIHARA Koichi (12-8 Ginza 5-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
IKEMATSU Yusuke (12-8 Ginza 5-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
Application Number:
JP2019/002885
Publication Date:
August 08, 2019
Filing Date:
January 29, 2019
Export Citation:
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Assignee:
OJI HOLDINGS CORPORATION (7-5 Ginza 4-chome, Chuo-ku Tokyo, 61, 〒1040061, JP)
International Classes:
D21H27/00; D21H17/63; F24F7/08
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (Hulic Toranomon Building, 1-18 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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