The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
Nov. 30, 2021
Applicant:
Posco Co., Ltd, Pohang-si, KR;
Inventors:
Jin-Tae Kim, Gwangyang-si, KR;
Dae-Gyu Kang, Incheon, KR;
Yang-Ho Choi, Gwangyang-si, KR;
Jung-Hwan Lee, Pohang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 5/20 (2006.01); B32B 15/18 (2006.01); C08J 9/00 (2006.01); C08J 9/10 (2006.01); C08K 3/36 (2006.01); C08K 5/11 (2006.01); C08K 5/14 (2006.01); C08K 7/18 (2006.01); C09D 5/00 (2006.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 127/06 (2006.01); C09D 133/08 (2006.01);
U.S. Cl.
CPC ...
B32B 15/046 (2013.01); B32B 5/20 (2013.01); B32B 15/18 (2013.01); C08J 9/0023 (2013.01); C08J 9/103 (2013.01); C08K 3/36 (2013.01); C08K 5/11 (2013.01); C08K 5/14 (2013.01); C08K 7/18 (2013.01); C09D 5/002 (2013.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/69 (2018.01); C09D 7/70 (2018.01); C09D 127/06 (2013.01); C09D 133/08 (2013.01); B32B 2250/02 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2266/0235 (2013.01); B32B 2266/104 (2016.11); B32B 2307/102 (2013.01); B32B 2307/56 (2013.01); B32B 2307/7376 (2023.05); C08J 2327/06 (2013.01);
Abstract
Provided is an unconstrained vibration damping metal sheet with foam pores. The unconstrained vibration damping metal sheet of the present invention comprises: a metal sheet; an organic-inorganic pretreatment layer containing an acrylic resin formed on the metal sheet; and a foam resin layer formed on the pretreatment layer, the foam resin layer containing, based on weight % thereof, a thermoplastic polyvinyl chloride resin: 40-80%, a plasticizer: 5-40%, a foaming agent: 0.1-10%, an oxide-based crosslinker: 1-4%, and spherical silica: 1-10%.