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:
Mar. 04, 2014
Filed:
Dec. 26, 2007
Du Hwan JO, Gwangyang, KR;
Jae Ryung Lee, Gwangyang, KR;
Sang Geol NO, Gwangyang, KR;
Jin Tae Kim, Gwangyang, KR;
Hee Gwan Lee, Gwangyang, KR;
Du Hwan Jo, Gwangyang, KR;
Jae Ryung Lee, Gwangyang, KR;
Sang Geol No, Gwangyang, KR;
Jin Tae Kim, Gwangyang, KR;
Hee Gwan Lee, Gwangyang, KR;
POSCO, , KR;
Abstract
A heat-dissipating black resin composition having excellent physical properties such as heat-dissipation, workability, corrosion resistance, solvent resistance, coating adherence and gloss, and being free from chromium and used for surface treatment of a zinc coated steel sheet and a zinc coated steel sheet treated thereby. The composition includes, based on 100 parts by weight: 10 to 60 parts by weight of a resin composition which at least one main resin and a melamine-based curing agent are mixed in a weight ratio of 10:2-7, the main resin being selected from the group consisting of polyester, epoxy, polyolefin, polyurethane, fluorine, phenol, acryl and polycarbonate resins; 1 to 10 parts by weight of at least one pigment selected from the group consisting of carbon black and carbon nano tube; 1 to 10 parts by weight of a matting agent; and a solvent.