MICRO-CERAMIC INK, AND PREPARATION AND APPLICATION THEREOF

WIPO Patent Application WO/2023/077634

A1

A micro-ceramic ink, and preparation thereof and an application thereof, relating to the technical fields of micro-ceramic inks and coating plates. The micro-ceramic ink comprises a primer coat and a topcoat; the primer coat comprises 55-62 wt% of polyester, 5-10 wt% of epoxy resin, 4-16 wt% of polyurethane, 1-10 wt% of a pigment, 2-8 wt% of an auxiliary agent, and 8-18 wt% of a solvent; and the topcoat comprises 20-41 wt% of epoxy resin, 16-24 wt% of polyurethane, 7-16 wt% of acrylic ester, 1-10 wt% of the pigment, 15-30 wt% of corundum or SiO2, 0.5-3 wt% of wax powder, 1-6 wt% of the auxiliary agent, and 1-6 wt% of the solvent. The micro-ceramic ink can be strongly attached to substrates, such as a metal plate, a glass plate, and a ceramic plate, a high-hardness, wear-resistant, and corrosion-resistant coating is formed on the surface of a substrate after coating, and the micro-ceramic ink has excellent wiping and powder hanging effects, and is very suitable for a writing board for writing by using chalks and the like.

JP2909652	[Title of Invention] Aqueous rust preventive coating composition
WO/1997/008252	BACK LIGHT REFLECTION SHEET FOR LIQUID CRYSTAL

WAN HU (CN)
XU JUN (CN)

PCT/CN2021/140376

May 11, 2023

December 22, 2021

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GUANGZHOU SHIYUAN ELECT TECH (CN)

C09D5/00; C09D7/62; C09D163/00; C09D167/00; C09D167/02; C09D175/04

CN101818014A	2010-09-01
CN105176348A	2015-12-23
CN110885615A	2020-03-17
CN102159331A	2011-08-17
CN105925073A	2016-09-07
CN111801223A	2020-10-20
CN101675127A	2010-03-17
US6265074B1	2001-07-24
US20110300294A1	2011-12-08

GUANGZHOU JUNCY INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)

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