Abstract
On a global scale, the packaging industry is an enormous economic generator. The global market value for the packaging industry will reach $1 trillion by 2020; an increase from $839 billion in 2015. This immense growth rate is driven by consumer and industry trends. Reduce, reuse and recycle is part of the green commitment and ecological fight to being responsible in the world. The packaging industry recognizes its responsibility in attaining a closed loop cycle for these materials through the use of green corrosion inhibitors. Application of green corrosion inhibitor in packaging materials (wrapping paper, films, and corrugated boxes) is one of the best options. In this study several green inhibitors impregnated papers and film were investigated. Qualification tests of these products were conducted using MIL-STD-3010C including the vapor-inhibiting ability (VIA) (similar to the NACE TM 208-2018) before and after exhaustion test of VCI (volatile corrosion inhibitor) impregnated materials. VIA tests showed very satisfactory results for all the impregnated wrapping paper and film prior to the exhaustion test procedure (grade 3-4 according to NACE TM 208 grading criteria). The VIA grading decreases to 2 or 1 after the exhaustion tests. When the steel samples were wrapped with the VCI impregnated wrap paper and then subjected to exhaustion test conditions, post VIA tests showed good results (grades of 3). It is more realistic approach to conduct the exhaustion tests on the wrapped steel samples with VCI packaging materials and subject those samples to the VIA tests. These tests demonstrate that the VCI adsorbed compound can maintain its attachment to the surface during the exhaustion tests and protect steel samples against corrosion later.
