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1. (WO2018000236) SOLVENT-BASED PAINT REMOVER, USE THEREOF AND METHOD FOR REMOVING PAINT FROM WORKPIECE

Pub. No.:    WO/2018/000236    International Application No.:    PCT/CN2016/087648
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Thu Jun 30 01:59:59 CEST 2016
IPC: C09D 9/04
Applicants: SHENZHEN YINGHENG TECHNOLOGY CO., LTD.
深圳市盈恒科技有限公司
Inventors: WAN, Hua
万华
Title: SOLVENT-BASED PAINT REMOVER, USE THEREOF AND METHOD FOR REMOVING PAINT FROM WORKPIECE
Abstract:
Disclosed is a solvent-based paint remover comprising the following components in parts by weight: 60-100 parts of benzyl alcohol, 5-10 parts of hydrofluoric acid, 20-60 parts of triethanolamine, 30-100 parts of water and 5-10 parts of nonylphenol polyoxyethylene ether. Disclosed is a method for removing paint from a workpiece, comprising placing a workpiece with paint into a paint removing tank, and after the paint layer on the surface of the workpiece is blistered or wrinkled, placing the workpiece in clean water for washing or rinsing, wherein for a workpiece having a thicker paint film, the paint film can be cut open using a small knife prior to being immersed in the paint removing tank. The paint remover can be used for the removing treatment of a paint layer from the surface of a metal workpiece.