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Webinar: Introduction to Polyurea

05.01.2012

Wednesday, February 29, 2012 2:00 PM - 3:00 PM CET

Presented to you by Polyurea Development Association Europe and UTECH


Contents of the webinar
The webinar will be jointly held by Marc Broekaert (Huntsman), Stephan Rindfleisch (Graco) and Werner Bertleff (BASF), experts in the field, who will introduce to the technology and address; the following aspects: raw materials, formulated systems, spray equipment, surface pretreatment and application areas; demonstrated by case studies. The webinar; will also comprise a Q&A section where; participants can directly put their questions.

Who should attend:

  • Applicators, contractors and formulators dealing with surface treatment, waterproofing and anti-corrosion coating
  • Architects in search of new design options
  • Civil engineers dealing with new construction or maintenance of buildings, service and traffic areas, sewage lines
  • Designers dealing with theme parks, landscaping or decorative design
  • Chemists, engineers and technicians who want to get insight in a fascinating new technology widely applicable in numerous areas

About Polyurea

Polyurea 2K-spray coating technology is a fairly recent development in the polyurethane coatings industry. It was introduced to the US market in the late 80s. Initially the two main application areas were Reaction Injection Moulding (RIM) and sprayable coatings. Today elastomeric spray coatings are by far prevailing. Whereas polyurethane coatings are the result of a reaction between an isocyanate component and a resin blend made with only hydroxyl-containing resins employing catalysts and solvents or diluents, pure polyurea coating is the result of a reaction between an isocyanate component and a resin blend component which contains only amine-terminated resins. In contrast to polyurethane it is a 100% system and does not release volatile components.
The polyurea reaction is by orders of magnitude faster than the polyurethane reaction and the resulting polyurea polymer is more stable towards hydrolysis and mechanical impact. This gives rise to some unique features of polyurea which differentiates it significantly from polyurethane elastomers. Thus polyurea can be applied in extreme conditions. Even at temperatures as low as minus 20°C it will still cure. The most important element of handling fast setting polyurea coatings is good mixing and spraying at high pressure. This needs special equipment which nowadays is widely available in the market.
To get the full benefit of polyurea thorough surface treatment and adequate precautions during application need to be taken to guarantee safe handling and good adhesion and durability. Polyurea technology comes mostly as a spray technology, however, brush or roller-applied systems are also available. Polyurea coatings are mainly used in applications where fast cure is needed and the treated surfaces need to be put in service again as soon as possible. The treated surfaces can be walked on immediately and full curing is obtained already within a few hours.

To register click here:
https://www2.gotomeeting.com/register/951489266

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