Browse Publications Technical Papers 2000-01-0740

Analysis of Bumper Paint Removal and Development of Paint Removal Equipment 2000-01-0740

This paper deals with the development of plastics recycling technology, which is one key to resolving environmental and natural resource problems and encouraging recycling activities. Bumpers are among the heaviest plastic auto parts, so the technology for recycling bumpers is strongly required. Paint remaining on bumpers causes the strength of the recycled material to decline and degrades its surface quality. Therefore, unless the paint is removed, it is impossible to use recycled material to manufacture new bumpers. This hampers recycling efforts and results in low-value recycled material. Consequently, it is essential to develop a simple paint removing without chemical substances for practical plastics recycling at low cost. Two topics are discussed in this paper. The first concerns the mechanism of paint removal and the development of a technique for utilizing that mechanism. The analysis of recycled materials obtained with the developed technique confirmed that there were no strength or surface quality problems. The second topic deals with the development of mechanical paint removing equipment.


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