UV/EB CURABLE RESINS INDUSTRIAL COATINGS Corporate Center Frankfurt The Squaire Am Flughafen D 60549 Frankfurt am Main Germany The operating allnex group is legally owned by Allnex Holdings S.à r.l., a company based in Luxembourg, which also provides long term strategic decisions relating to its investment in allnex. www.allnex.com www.allnex.com RAD002-EMEA-0317 Lillestrm (NO) Wageningen (NL) Hamburg (DE) Bergen op oom (NL) Riga (LV) Frankfurt (DE) Silvertown (UK) Shebekino (RU) Ulsan (KR) Kalamazoo (MI) Schoonaarde (BE) Bitterfeld (DE) Wallingford (CT) Shimonoseki (P) East St Louis (IL) Drogenbos (BE) Graz (AT) Changshu (CN) Werndorf (AT) Otake (P) Willow Island (WV) Louisville (KY) Wiesbaden (DE) Suzhou (CN) Romano d’Ezzelino (IT) Shanghai (CN) Alpharetta (GA) Langley (SC) Foshan (CN) North Augusta (SC) Fengxian (CN) Bangkok (TH) Mumbai (IN) huhai (CN) Rayong (TH) Bien Hoa (VN) Seremban (MY) Malakka (MY) Surabaya (ID) akarta (ID) Ponta Grossa (BR) Wacol (AU) Botany (AU) Penrose (N) Facts & Figures • Global company with over €2.1 billion in sales • 33 manufacturing facilities • Broad technology portfolio: liquid coating resins, • 23 research and technology centers energy curable resins, powder coating resins, • 5 ventures crosslinkers and additives, composites and • Extensive range of solutions for key coating segments: construction materials automotive, industrial, packaging coating and inks, • Approximately 4000 employees protective, industrial plastics and specialty With manufacturing, R&D and technical facilities located throughout Europe, North America, Asia Pacific and Latin America, • Customers in more than 100 countries architectural allnex offers global and reliable supply of resins and additives combined with local, responsive customer support. allnex 3 Table of Contents Introduction Introduction ........................................................................................................................................................5 UV/EB Curable Resins (Radcure) Product Families ................................................................................................................................................8 Ultraviolet (UV) and electron beam (EB) energy-cured coatings have excellent appearance, durability, and little or no VOC emissions, while enabling increased productivity and lower overall costs per cured part. Performance Keys .............................................................................................................................................9 allnex is the pioneer in UV resin / Radcure technology and applications development. We are the world’s leading Urethane acrylates ..........................................................................................................................................10 producer of energy-curable resins for the industrial and plastic coatings as well as the packaging coatings and inks Urethane acrylates for Dual-Cure ...............................................................................................................16 applications, driving market growth and end-user acceptance of this unique technology. Polyester acrylates ..........................................................................................................................................18 Our customers have come to rely on our broad range of innovative EBECRYL® and UCECOAT® resins including: Polyesters in diluting monomers .................................................................................................................20 • 100% solids UV curable resins and oligomers Epoxy acrylates ................................................................................................................................................22 • Waterborne UV curable resins Acrylic acrylates ................................................................................................................................................24 • UV curable resins derived from renewable raw materials • Low Extractables and Odor (LEO) resins specifically formulated for use in low odor, low migration inks and Amine modified polyether acrylates and amine synergists ..................................................................24 coatings applied to food and pharmaceutical packaging Water based and water-compatible resins ...............................................................................................26 • A wide range of urethane acrylates, polyester acrylates, amino acrylates and epoxy acrylates RAYLOK® performance products .................................................................................................................26 • Specially-designed photo initiators and additives that enhance the performance of energy-cured coatings. Diluting acrylates .............................................................................................................................................28 Radiation curable additives and Photoinitiators ......................................................................................30 Product index ...................................................................................................................................................32 4 allnex 5 6 allnex 7 Product Families Performance Keys Diluting acrylates Urethane acrylates ● ● ● ● ● As RADCURE™ formulations are normally solvent-free, Urethane acrylates from allnex are the most versatile Reactivity Low Very good diluting acrylates can be added to reduce the viscosity products able to provide a wide range of performance Hardness Low Very good Flexibility Low Very good for better processing and to improve crosslinking. characteristics. Depending on the specific product Chemical resistance Low Very good Reactivity, mechanical and chemical resistance and chemistry, virtually any performance level can be Adhesion Low Very good shrinkage increase with increasing functionality of achieved in terms of softness/hardness, flexibility, non- the diluting acrylate, while the flexibility and adhesion yellowing, cure speeds selecting products in a wide decrease. range of viscosities. Aliphatic urethane acrylates are, in comparison to aromatic urethane acrylates, known for Definitions Acid value Expressed in mg per KOH per g their non-yellowing and outdoor performances. Polyester acrylates Color Maximum values in: Polyester acrylates cover a wide range of viscosities • Gardner scale when no units are specified – range from light yellow to red (low to high) and cure speeds and show a moderate to Waterbased and water-compatible resins defined by the chromaticities of glass standards numbered from 1 for the high shrinkage. Reasons for the success of UV waterborne radiation lightest to 18 for the darkest curing technology include outstanding performance • Pt/Co or APHA-Hazen (A) scale – defined by specified dilutions of a platinum-cobalt stock solution, ranging from 1 at the light end of the scale to 500 at the darkest Epoxy acrylates of the coatings, very fast curing, low process costs • Iodine scale - defined by specified dilutions of an iodine solution, ranging from 1 for Epoxy acrylates are typically characterized by very per square metre of surface, and environmental the lightest colour to 500 for the darkest ® fast cure, good hardness and excellent chemical compliance. The very low viscosity of the UCECOAT Density Expressed in g/cm³ resistance. In general they tend to be low in flexibility, range enables their application by different coating Dilution Parts of diluent in 100 parts of product with little elongation but they provide high gloss to the techniques (roller, spray, curtain and vacuum coating) Functionality Theoretical value, expressed as number of double bonds per molecule coating. A few exceptions show a good compromise and together with a low-solids content, allows a nice Film form. temp. Expressed in °C flexibility/reactivity. open-pore finish applied by spraying. Molecular Weight (Mn) Theoretical molecular weight Solid content Measured by gravimetry and expressed as the percentage of solid residue remaining after complete drying of the waterborne dispersion for 2 hours at 120°C Acrylic acrylates Dual Cure Resins Particle size Expressed in nm Acrylic acrylates provide a good adhesion to Dual cure resins offer unique properties as adhesion pH Measured using a conventional glass electrode equipment various substrates with a moderate cure speed and promotion on difficult substrates and curing in non- Viscosity Viscosity in milliPascal-seconds (mPa•s) at the specified temperature. moderate to good flexibility. They are characterized irradiated areas. allnex provides a full range of dual Note: mPa•s = centiPoise (cP) by a low shrinkage and can give coatings excellent cure resins, including isocyanate bearing urethane weatherability. acrylates as well as their hydroxy bearing combination Abbreviations partners. EtAc Ethyl acetate ® RAYLOK performance products BuAc Butyl acetate RAYLOK performance products is an original line Amine Modified Polyether Acrylates, DPGDA Dipropylene glycol diacrylate of high performance systems specifically designed Amine Synergists HDDA 1,6-Hexanediol diacrylate by allnex to achieve superior results for dedicated Amine modified polyether acrylates are known for HEMA Hydroxyethyl methacrylate TMPTA Trimethylolpropane triacrylate applications. their low viscosity and good reactivity. Reactive amine TPGDA Tripropylene glycol diacrylate synergists promote fast UV cure with less residual HPMA Hydroxypropyl