A modified ISO 8501-1 St 2 Mechanical surface preparation utilizing highly adsorptive oxy-polymerizing rust-stabilizing inhibitors without and in conjunction with surface tolerant epoxy coatings

摘要

With the cost of iron and the annual cost of corrosion soaring to new heights, every metal surface is a "front line" on which a ceaseless technical challenge and economical struggle takes place. Nature, alone, forever labours to return ferrous metals to its original "oxide form" ore, while engineers fight to keep steel assemblies intact, thriving on products quality, durability and economic improvements. Notwithstanding surface tolerant coatings, all such effort remains tightly related to the attention given to surface preparation. This attention to surface preparation pre-supposes and implies that full performance of any coating protective system will only perform for as much as any modern methods of pre-treatment and advanced coating care are a warranted part of the specification. This pre-requires a full understanding of all special hazards such as air, high humidity, condensations, sea, UV exposure, industrial atmospheres, acid or alkaline fumes exposure and other incidentals to challenge surfaces. Surface finishes in the form of specially formulated coatings will usually only offer an effective and economical answer to special hazards of almost every kind for as much as the use of surface tolerant coatings may offer an economical compromise under nonetheless very specific application standards. The present paper refers to a novel rust-inhibitive surface preparation approach that uses surface active interpenetrating polymer networks also designated as IPN's as binders / additives to vehicle corrosion inhibitive protection within the substrate's core, hi this study, two specific ambient curing IPN-type polymer "alloys" were developed into highly surfactive solutions formulated to adsorptively integrate the process of manual / mechanical surface preparations. This approach was then evaluated and monitored in comparison with the currently used conventional epoxy and surface tolerant modified alkyds, epoxy polyamide and polyurethane systems.