© 2006 by Taylor & Francis Group, LLC

2.4.2 Reactive Reagents ..............................................................................50
2.4.3 Contra-Environmental Chemicals......................................................50
2.4.4 Special Effect Inducers ......................................................................51
References................................................................................................................51
Chapter 3 Waterborne Coatings..........................................................................55
3.1 Technologies for Polymers in Water .............................................................56
3.1.1 Water-Reducible Coatings and Water-Soluble Polymers ..................56
3.1.2 Aqueous Emulsion Coatings..............................................................56
3.1.3 Aqueous Dispersion Coatings............................................................56
3.2 Water vs. Organic Solvents............................................................................57
3.3 Latex Film Formation ....................................................................................57
3.3.1 Driving Force of Film Formation ......................................................58
3.3.2 Humidity and Latex Cure ..................................................................59
3.3.3 Real Coatings .....................................................................................60
3.3.3.1 Pigments..............................................................................60
3.3.3.2 Additives .............................................................................62
3.4 Minimum Film Formation Temperature........................................................62
3.4.1 Wet MFFT and Dry MFFT................................................................63
3.5 Flash Rusting..................................................................................................63
References................................................................................................................64
Chapter 4 Blast Cleaning and Other Heavy Surface Pretreatments ..................67
4.1 Introduction to Blast Cleaning.......................................................................68
4.2 Dry Abrasive Blasting....................................................................................68
4.2.1 Metallic Abrasives..............................................................................69
4.2.2 Naturally Occurring Abrasives ..........................................................69
4.2.3 By-Product Abrasives.........................................................................70
4.2.3.1 Variations in Composition and Physical Properties...........71
4.2.4 Manufactured Abrasives.....................................................................71
4.3 Wet Abrasive Blasting and Hydrojetting.......................................................72
4.3.1 Terminology .......................................................................................73
4.3.2 Inhibitors ............................................................................................73
4.3.3 Advantages and Disadvantages of Wet Blasting...............................74
4.3.4 Chloride Removal ..............................................................................75
4.3.5 Water Containment.............................................................................75
4.4 Unconventional Blasting Methods.................................................................76
4.4.1 Carbon Dioxide..................................................................................76
4.4.2 Ice Particles ........................................................................................77
4.4.3 Soda....................................................................................................77
4.5 Testing for Contaminants after Blasting .......................................................78
4.5.1 Soluble Salts.......................................................................................78
4.5.2 Hydrocarbons .....................................................................................79
4.5.3 Dust ....................................................................................................80
© 2006 by Taylor & Francis Group, LLC