Polymer coating by cold spray method

Easy to coat polymer which is difficult to mold by injection

Overview

　Ultra-high molecular weight polyethylene (UHMWPE) is a material with excellent impact resistance, wear resistance, etc. However, due to poor flowability at high temperature, the injection molding, which is a common molding method for polymer, was not simple to use.
　Therefore, ceramic nanoparticles (alumina, etc.) were mixed to UHMWPE, then deposited by the cold spray technique. This method has succeeded to form a thick film easily. It is expected that other polymers can be deposited in the same way by mixing ceramic nanoparticles.

Example of film deposition

Product Application

・Coating the base material (polypropylene, aluminum, aluminum oxide)
・Coating that avoids thermal denaturation of polymer particles
・Coating with chemical resistance, etc.

Related Works

[1] OGAWA Kazuhiro, Development of Polymer Coatings by Cold Sprayed Technique. JOURNAL OF THE JAPAN WELDING SOCIETY. 2013, Vol.82, No.8, p.5-8

IP Data

IP No.　 ： JP6341505
Inventor ： OGAWA Kazuhiro
keyword ： ColdSpray, Coating