NextGen Epoxy WB Epoxy System (EPI-REZ Resin 7520-WD-52 and Research Curing Agent RSC-4431) 1
Waterborne Coatings Sustainability & Product Innovation We take an integrated business approach to sustainability with ultimate goal of creating long-term stakeholder value through environmental and product stewardship, risk management, safety and compliance. Our sustainability initiative can be grouped into three broad categories Product innovation Operational excellence Good corporate citizenship Waterborne High Solids Hexion believes and pursues the waterborne technology platforms for coating systems to contribute environment, health and safety 2
Conventional Solvent-borne Epoxy Coatings Solid Epoxy Supplied in solution EPOXY COATINGS (2K) EPOXY RESIN CURING AGENT Highly viscous polyamide Supplied in solution Epon Resin 1001-X-75-type and EPIKURE Curing Agent 3115-X-70 Limitations High VOC > 450 g/l Immiscibility / Long induction time Slow Dry Short recoat window Strong odor Needs induction due to large differences in solubility parameters 3
Waterborne SER Epoxy Dispersion Value Engineered EPI-REZ 7520-WD-52 EPI-REZ 7520-WD- 52 Research Curing Agent RSC-4431 NextGen Epoxy WB System Cost Efficient and Low VOC SER Dispersion High Performance Shelf and Shear Stable Property ER7520-WD-52 A cost effective, low-voc, HAPSfree and high performance WB SER Dispersion performing similar to SB epoxy coating system Solids (wt.%) 52 Viscosity (cp) <6000 EEW 475-550 Solvent (%) 5% 4
Waterborne SER Epoxy Dispersion Value Engineered EPI-REZ 7520-WD-52 Target End Markets: ACE (Agricultural and Construction Equipment Metal Auto Parts and Accessories Industrial Maintenance Railway Coatings Concrete Floors Walls Ceilings 5
Waterborne SER Epoxy Dispersion Value Engineered EPI-REZ 7520-WD-52 Excellent Corrosion Resistance Fast Dry EPI-REZ Resin 7520-WD-52 Economical Low VOC ( <100 g/l): metal (<50 g/l) concrete Ease of formulation & application Freeze/thaw stable Shelf stable 6
Research Curing Agent RSC-4431: Water Reducible Curing Agent Cost Effective & High Performance EPI-REZ 7520-WD- 52 Research Curing Agent RSC-4431 NextGen Epoxy WB System Water reducible curing Agent Cost Effective Low VOC WB Coating for metal and concrete coating Properties RSC-4431 Competitive Solids 75 70 AHEW 120 200 Color 2-3 11-12 Viscosity 10,700 30,000 7
Research Curing Agent RSC-4431: Water Reducible Curing Agent High performance WB curing agent, for use with SER resin dispersions, for metal and concrete coatings Cost Effective Easier conversion to WB <50 g/l VOC Environmental Benefits Compliance with changing global regulations Low AHEW (Dosage) Low curing agent demand = Lower cost Improved corrosion performance Lower Color Can be used as primer and topcoat Formulation Low viscosity / water-reducible Shelf and Shear Stable 8
NextGen Epoxy WB System High Performance WB Metal Primer Property* ASTM Rating Dry film thickness D-1186 3-4 mil Through dry D-5895B 7.5 h Pencil hardness D-1186 H Adhesion D-3359 5A/5B Salt Spray Resistance B-117 1000 h Blister, field D-714 No blisters Scribe creep D-1654 <1 mm Adhesion D-3359 5A NextGen Epoxy Waterborne System Cost Effective Coating System Superior Performance Low VOC Metal: ( <100 g/l) Concrete (<50 g/l) Ease of Application - Shelf Stable -Shear Stable RSC-ER7520/4431 ER7520/EK6870 *14-day cure at 77 o F, 55% RH 9
High Gloss Concrete Formulation RSC-4431 + EPI-REZ 7520-WD-52 Properties Values VOC <50 Dry film thickness 3-4 Dry times (h) Set to Touch, Stage II 1 Cotton Free, Stage III 9 Through, Stage IV 18 Pencil hardness, 7 days F Adhesion 5A/5B Direct impact 116 Reverse impact 88 Flexibility 32 Dollies pull-off >300 MEK resistance >200 Gloss & viscosity pot-life** >5 *Dollies pull-off and MEK resistance done on concrete **24-hour gloss was >95 at 60 o for more than 5 hours Concrete Laneta Ultra Low VOC (<50 g/l) No Induction time High Gloss & Long potlife (5-6h) Fast dry Excellent adhesion & Flexibility 10
NextGen Epoxy Waterborne System Cost-Effective Coating System NextGen Epoxy Waterborne System Performance - Adhesion - Corrosion - Blister -Freeze/Thaw Stability Low VOC Metal: ( <100 g/l) Concrete (<50 g/l) Ease of Application - Pigment wetting - Shelf Stable -Shear Stable Waterborne Coating System with improved cost and performance balance! 11