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1 POLYISOCYANATES. AND PREPOLYMERS . Desmodur | Bayhydur | Desmotherm | Bayhytherm . Desmoseal | Imprafix | Baybond | Crelan . Contents Our Mission: inventing FOR YOU 4 5 Aliphatic PREPOLYMERS Desmodur 28 29. Building blocks for supply security, efficiency and sustainability 6 7 Hydrophilic modified polyisocyanates Bayhydur 30 31. Polyisocyanates and PREPOLYMERS . Grades with shining properties 8 9 Hydrophilic modified polyisocyanates Desmodur D 32 33. Applications Highlights 10. Special waterborne grades Desmodur 32 33. Our product portfolio 12 41. Special grades TDI-based Desmodur R/quix 32 33. Desmodur . 12 15. Blocked grades MDI-based Desmodur BL 34 35. Desmodur . 16 17. Self-crosslinking baking urethane resins PMDI-based Desmotherm 36 37. Desmodur . 18 19. Waterborne blocked grades Silane-terminated Bayhydur BL/Baybond XL/Imprafix 38 39. Desmoseal S 18 19. Waterborne self-crosslinking MDI-based PREPOLYMERS baking urethane resins Desmodur /Desmoseal 20 21 Bayhytherm 38 39.

2 HDI-based Powder hardeners Desmodur N . 22 25 Crelan 40 41. IPDI-based Fast-lane access to Desmodur XP/Z 26 27 polyurethane innovations 42 43. 3. inventing VISIONS FOR YOU. As your leading partner for polyurethane chemistry, Living up to this aspiration needs more than com . we know you are competing in increasingly chal petencies it needs a corporate culture defined lenging environments: Your customers are becom and lived by dedicated people who share a set of ing more and more demanding in their expecta fundamental values. An attitude of openness that tions for quality, durability, sustainability and invites you to co-create new things rather enab . aesthetics of products. And they have more ling you than just providing. An unrivaled perfor . choices. For you this means that cost pressure is mance orientation to constantly strive for the bet . rising while innovation cycles are becoming fas ter, be it through big or small changes.

3 A true ter and faster. sense of business regardless of function. And a deep commitment to delivering our promise every . So what you are asking for quite rightly is to make day. Anywhere. Again and again. our invention power work for you by improving your productivity, driving sustainability, ensuring reliability and co-creating future proof businesses. inventing FOR YOU. Thus, we are committed to constantly search for things that will make a real difference to you. Things that will make your business grow, help you drive profitability, make your solutions safer. This we do with a very specific understanding of innovation which we call inventing . inventing always starts with thinking about your unmet business challenges. It requires an in- depth understanding of your needs along the whole value chain and building and fostering close and trustful partnership with you. To make sure: What we invent stands the test of time.

4 5. Building blocks for supply security, efficiency and sustainability Outstanding quality and supply security High coating performance . worldwide enabled by nature Bayer MaterialScience, the world's leading manu- Sustainability drives innovation at Bayer. We facturer of aliphatic and aromatic isocyanates, are committed to optimizing our manufacturing offers an extensive range of raw materials and processes, reducing the impact of logistics, and services for the coatings and adhesives industry. enabling sustainability along the value chains. This allows the very latest technology to be used Renewable feedstocks offer opportunities for extremely effectively for a variety of applications. developing more sustainable building blocks for Thanks to its unique setup and worldwide network coating solutions with significant potential for of state-of-the-art production sites, R&D facilities reducing the carbon footprint of end products and customer technical centers, industry-leading while also reducing our overall dependence on supply chain setup, global orientation and local fossil-based resources.

5 But to make more sus- stocks, extremely large product portfolio, highest tainable solutions not just possible but also health, safety and environmental (HSE) standards, economically feasible, the performance of all as well as tailored supply chain flexibility with short our feedstocks needs to satisfy high industry lead times, Bayer MaterialScience offers the indus- standards. To this end, we are evaluating the use try unrivalled supply security and assured quality. of renewable raw materials and will enlarge our product portfolio with new bio-based and mid- to Solutions to enhance your process efficiency long-term cost-competitive products, provided Nowadays, the quality demands made on indus- the raw materials become commercially available. trial processes are very high. But at the time, In all these efforts we are committed to focus- there is a clear need to cut costs. Both goals can ing on products that perform at least as well as be achieved by increasing process efficiency.

6 At established products but are at the same time Bayer we have a wide range of solutions designed more sustainable. to enhance your process efficiency. Why not take advantage of our know-how? These solutions will be good for your bottom line. 6. POLYISOCYANATES AND PREPOLYMERS : Grades with shining properties thane coatings and adhesives, blocked polyiso- cyanates for 1K polyurethane baking coatings or hydrophilized polyisocyanates as crosslinkers for water-reducible polyurethane systems, our products come into play wherever crosslinking is used to achieve high resistances and reliable adhesion under efficient conditions. Our solutions are in use today in a variety of applications, such as automotive OEMs, automotive refinishing, and coatings for wood, industrial goods and plastics. They are also used in reactive adhesives, textile coatings, and anticorrosion coatings. Customized properties Gloss, leveling, scratch resistance, hardness and flexibility can be precisely adjusted by the choice of polyisocyanate and polyol.

7 Chemical resist- ance, adhesion, light fastness and weather sta- bility are additional properties that can be indi- Pioneering polyurethane chemistry vidually adapted to your specific requirements. Ever since the discovery by Otto Bayer of the Moreover, coatings with easy-to-clean, soft-touch poly . isocyanate-polyaddition process in 1937, or reflow properties can also be produced through Bayer has pioneered polyurethane chemistry. 50 smart formulations. years ago, Bayer developed the first applica- tions using polyisocyanates for the coatings and Flexibility in PREPOLYMERS adhesives sectors. We work closely with our cus- Our product range of PREPOLYMERS comprises aro- tomers to systematically advance the state of the matic and aliphatic NCO- and silane- terminated art in polyurethane technology. Using market-ori- products. These PREPOLYMERS make a wide range ented research and development, we specifically of properties possible in coatings, adhesives and adapt our product portfolio to our customers' sealants.

8 The typical areas of application include increasingly stringent requirements. Together with wood coatings, corrosion protection, floor coat- you, we want to continue our successful journey ings, elastic adhesives in transportation, parquet along this path. adhesives, engineered wood constructions, flex- ible film lamination, and sealants. PREPOLYMERS Wide variety of applications with a low fraction of non-polymer-bound compo- Our polyisocyanates comprise a broad range of nents open up formulation options for producing products for one and two-component (1K/2K) reactive polyurethane adhesive and sealants that polyurethane systems used in numerous applica- are not subject to labeling requirements. tions. Whether as crosslinkers for 2K polyure- 9. APPLICATIONS. Highlights .. Marine coatings .. Coatings of glass .. Floor coatings .. Adhesives for modern timber .. Coating of wood and furniture .. Coating of agriculture equipments constructions.

9 Sealant applications .. Automotive coatings .. Coatings of plastics 10. for coatings and adhesives 2,4-TDI CONTENT [WT. %] FUNCTIONALITY. NCO VISC. AT 25 C. APPROX. [WT. %] APPROX. [mPa s]. Monomeric TDI products Desmodur T65N 48 3 2. Desmodur T80 48 3 2. Desmodur T100 48 3 2. TYPE NCO (SUPPLY FORM) VISC. AT 23 C. APPROX. [%] APPROX. [mPa s]. SUPPLY FORM EQUIVALENT. APPROX. [%] WEIGHT APPROX. TDI-based*. Desmodur L 75 TDI Adduct 75 EA 315 1,600. Desmodur L 67 MPA/X TDI Adduct 67 MPA/X 350 1,600. Desmodur L 67 BA.. TDI Adduct 67 BA 350 600. Desmodur IL BA TDI Isocyanurate 51 BA 525 2,000. Desmodur IL EA TDI Isocyanurate 51 EA 525 700. Desmodur IL 1351 BA TDI Isocyanurate 51 BA 525 1,300. Desmodur IL 1351 EA TDI Isocyanurate 51 EA 525 350. Desmodur IL 1451 BA TDI Isocyanurate 51 BA 565 250. Desmodur IL 1451 EA TDI Isocyanurate 51 EA 565 110. Desmodur HL BA TDI/HDI Isocyanurate 60 BA 400 2,200. Desmodur HL EA TDI/HDI Isocyanurate 60 EA 400 1,100.

10 12. HC MAX. [ppm HCI]. EQUIVALENT PROPERTIES &. WEIGHT APPROX. APPLICATIONS. * = These products repre- 90 100/40. sent only a selection 90 100/40 Stabilizer: Irganox 1076 FD of the TDI- and MDI- based products pri- 90 20/20 Stabilizer: Irganox 1076 FD marily used in coating applications. Additional TDI- and MDI-based products can be found, INDUSTRIAL FLOOR PROPERTIES & APPLICATIONS for example, on the WALL Bayer MaterialScience CAS website: CORROSION WOOD PLASTICS PROTECTION FURNITURE. Standard crosslinker with broad range of applications, = especially suitable chemically r esistant coatings, anti-corrosion coatings, = suitable industrial coatings, wood and furniture finishes, concrete coatings See L 75. See L 75. Very hard and very fast-drying coatings for wood, furniture and paper See IL BA. See IL BA. See IL BA. Like Desmodur IL 1351 BA but with improved compatibility Like Desmodur IL 1351 BA but with improved compatibility Very fast-drying coatings for wood, furniture, metal, plastic and paper with better elasticity than Desmodur.