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Further development and market launch
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1950 |
| Highly flexible materials known as Vulkollan® are presented in the trade journal "Die Angewandte Chemie("Applied Chemistry"). |
| 1952 |
| Flexible foam slabstock made of TDI and polyester polyols: Moltopren®. Presentation at the K'52 Exhibition in Düsseldorf. In the next few years polyether is added to the polyol range. |
| 1953 |
| The shoe industry uses Vulkollan® for the production of soles. Two-pack polyurethane systems for the coating of leather and textiles are introduced. Trade name: Impranil®. . |
| 1954 |
| Patent leather production with polyurethane lacquers using newly developed Baygen® process. |
| 1956 |
| Light-fast polyurethane coatings based on aliphatic diisocyanates - HDI (hexane-1,6-diisocyanate) and IPDI (isophorone diisocyanate). |
| 1957 |
| Development of cellular Vulkollan®, which is subsequently used in vehicle suspension elements. Polyols based on sugar. (Renewable raw materials) Main field of application: rigid foams. |
| 1958 |
| Repair paints based on polyurethane (DD Coatings) for cars, ships and aircraft. |
| 1960 |
| Polyurethane rigid foam with different facings for: > Packaging elements with Kraft paper facings. > Sandwich panels with steel facings. Use in building construction. Flexible molded foams for car seats and furniture upholstery. Foam-backed mats for cars as first market success of newly developed semi-rigid foams. Polyurethane integral skin foams. First use: arm rests in cars. A crosslinking agent for adhesives, which is still one of the best, is used for the first time in shoe rubbers: Desmodur® RF. Polyurethane lightweight concrete. Advantages: light, good sound insulation, good fire resistance. Combination of polyurethane rigid foam with inorganic additives (expanded glass/expanded clay). The refrigeration industry introduces rigid polyurethane foam as an insulating material. This becomes the basis for the supply logistics for perishable foods, known nowadays as the "refrigerated distribution chain". |
| 1963 |
| Elastic filaments based on thermoplastic polyurethane. Trade name: Dorlastan®. Thermoplastic polyurethanes appear under the trade name Desmopan® that was already registered in 1955. |
| 1965 |
| Polyurethane molded soles for shoes. The start of the Bayflex® success story. Desmocoll® - adhesives for packaging composites and sheeting - advantage: they are easy to produce by dissolving in suitable organic solvents . Seals for stoneware pipes and sound mats - two applications of Desmoflex®. (Cold-curing, filler-containing polyurethane systems based on polyether.) |
| 1966 |
| Larger moldings made of integral skin foam (Baydur®) in the building, furniture and electrical industries. |
| 1967 |
| Eye-catcher at the K'67 Exhibition in Düsseldorf: the first car made of "plastic". Registration No. LEV-K 67. |
| 1968 |
| Fashion hit: Platform soles! Bayflex® used on a large scale. |
| 1969 |
| Sports cars fitted with Bayflex® bumpers. Baydur® car body parts prove successful in service. Polyurethane in the electrical and electronics industry: Baymidur® (isocyanate component) and Baygal® (polyol component) used in transformers, insulators, transducers and in components for encapsulating small electrical and electronic components. |
| End of the 1960s |
| 1950 to 1969 - two decades that demonstrate increasingly clearly the enormous potential of polyurethane. Innovative research and development form the basis for new market ideas. For more and more new applications in more and more industries. The dynamic development of polyurethane chemistry is matched by progress in mechanical and process engineering. 1951 first machine developed specially for polyurethane production (for flexible foam slabstock), 1955 semi-continuous machines for Vulkollan® processing, 1958 direct mixing of polyurethane reactants by the "one-shot" process, 1960 spray method for elastomers, 1965 high-pressure metering machines with counter-current injection, 1966 laminators for the continuous production of polyurethane rigid foam sheets, refrigerator foaming plant, molding machines. |
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