Title:
防湿フィルム
Document Type and Number:
Japanese Patent JP7107347
Kind Code:
B2
Abstract:
Provided is a decorative material for flooring having a reduced occurrence of curving and warping, even when a lauan substitute with a dimensional change rate greater than 0.02% per percent change in moisture content is used as a wooden base material and a decorative sheet with low permeability is layered on the front surface thereof. Specifically, disclosed is a decorative material for flooring which has a decorative sheet layered on the front surface of a wooden base material and a moisture-resistant film layered on the back surface of the wooden base material, and which is characterised by 1) a wooden base material with a dimensional change rate greater than 0.02% per percent change in moisture content, and 2) a moisture-resistant film with a permeability of no more than 7g/m2·24hrs.
Inventors:
Takashi Doi
Kimura Ken
Hiroaki Nakayama
Kimura Ken
Hiroaki Nakayama
Application Number:
JP2020185387A
Publication Date:
July 27, 2022
Filing Date:
November 05, 2020
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
E04F15/04
Domestic Patent References:
| JP11291401A | ||||
| JP7166328A | ||||
| JP2004202843A | ||||
| JP2000025146A | ||||
| JP10175375A | ||||
| JP2001047546A |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office
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