Title:
SURFACE TREATMENT COMPOSITION FOR VIBRATION DAMPING STEEL SHEET AND VIBRATION DAMPING STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2021/118036
Kind Code:
A1
Abstract:
The present invention is to provide a vibration damping steel sheet having improved vibration damping performance. Provided according to the present invention are: a surface treatment composition for a vibration damping steel sheet, comprising a polymer resin and inorganic nano particles having a mean aspect ratio (L/D) of 100 or more; and a vibration damping steel sheet surface-treated with the composition.
Inventors:
KIM JIN-TAE (KR)
LEE JUNG-HWAN (KR)
KIM YEONG-SEON (KR)
CHOI HA-NA (KR)
CHOI YANG-HO (KR)
LEE JUNG-HWAN (KR)
KIM YEONG-SEON (KR)
CHOI HA-NA (KR)
CHOI YANG-HO (KR)
Application Number:
PCT/KR2020/014103
Publication Date:
June 17, 2021
Filing Date:
October 15, 2020
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C08K3/04; C09D201/00; C08K9/04; C09D7/61; C09D167/00
Foreign References:
| JP2019504189A | 2019-02-14 | |||
| KR20100050252A | 2010-05-13 | |||
| JP2011084690A | 2011-04-28 | |||
| JP2013253140A | 2013-12-19 | |||
| JP2008291077A | 2008-12-04 | |||
| JPS5193770A | 1976-08-17 | |||
| JPS56159160A | 1981-12-08 | |||
| JPS59152847A | 1984-08-31 |
Other References:
See also references of EP 4074791A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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