Title:
FILM
Document Type and Number:
WIPO Patent Application WO/2020/153376
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a film that can retain oil on the surface of an object for a long period of time, and that can suppress work costs and costs for equipment construction. This film (1) includes: a base material (2) including a plurality of pores (21, 22); and an oil (3) contained in the pores (21, 22). The average pore diameter of the pores (21) on one surface (S1) of the base material (2) is smaller than the average pore diameter of the pores (22) near the thickness-direction center of the base material (2).
Inventors:
KOTAKE SHINYA (JP)
MATSUKUMA DAISUKE (JP)
FUJITA HIROYUKI (JP)
MATSUKUMA DAISUKE (JP)
FUJITA HIROYUKI (JP)
Application Number:
PCT/JP2020/001986
Publication Date:
July 30, 2020
Filing Date:
January 21, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B32B5/18; B32B5/22; C08J5/16; C08J9/28; C08J9/30
Foreign References:
| JPH05229402A | 1993-09-07 | |||
| JPH08141067A | 1996-06-04 | |||
| JPH04224511A | 1992-08-13 | |||
| JPH02289333A | 1990-11-29 | |||
| JP2002023541A | 2002-01-23 | |||
| JPH06158034A | 1994-06-07 | |||
| JPS5992300A | 1984-05-28 | |||
| JP2019007534A | 2019-01-17 |
Other References:
See also references of EP 3915776A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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