Title:
A multilayer structure useful to an electric insulation
Document Type and Number:
Japanese Patent JP6138992
Kind Code:
B2
Abstract:
A multilayer structure particularly useful in a transformer which contains (a) a first layer of aramid and cellulose wherein (i) the aramid is present as an meta-aramid in an amount of 0 to 50 weight percent floc and 50 to 100 weight percent fibrid, (ii) the cellulose is present in the form of cellulosic pulp fiber and (iii) the aramid is present in an amount of 16 to 75 weight percent and the cellulose is present in an amount of 25 to 84 weight percent, said percentages on the basis of the aramid and cellulose and (b) a second layer containing cellulosic pulp fiber with the proviso that the second layer does not contain aramid.
Inventors:
Levit Mikhail Earl
Cambyon Sam
Cambyon Sam
Application Number:
JP2016054792A
Publication Date:
May 31, 2017
Filing Date:
March 18, 2016
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
D21H13/26; B32B5/02; B32B5/26; D21H27/12
Domestic Patent References:
| JP2006519318A | ||||
| JP2005522598A | ||||
| JP2000034693A |
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Gen Tashiro
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Gen Tashiro