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Adiprene® K

Adiprene® K urethane elastomer systems are fully formulated, 1K systems that include the prepolymer, a blocking agent and a curative. Adiprene® K elastomer systems are not limited to LF MDI prepolymers and can be designed with other prepolymer types to tailor the system to your needs.

1K Urethane Elastomer Systems for Elastomers and Flexible Coatings

Adiprene® K blocked elastomers are stable at room temperature, offer controlled curing with outstanding pot life at processing temperatures, and are fast curing for high productivity. Adiprene® K blocked elastomers are significantly less viscous that other CAP-blocked prepolymers due to the use of LF technology, making them easier to process into complex parts.

Adiprene® K products are based on low free (LF) isocyanate prepolymer technology which reduces the free isocyanates that could be released during processing to below 0.1%. These products are blocked with ε-caprolactam (CAP), which has lower toxicity concerns than other blocking agents. Adiprene® K blocked elastomers have lower hazard classifications and can deliver superior industrial hygiene.

Adiprene® K blocked elastomers are formulated with specific curatives to tailor performance to meet customer needs. As a result of the lower viscosities and improved morphology, which come from using low free isocyanate technology, Adiprene® K blocked elastomers can be formulated with non-traditional raw materials, such as more viscous polyols or new curative types, enabling properties that are not possible with conventional prepolymers.

Benefits:

  • LF technology for improved industrial hygiene and lower hazard classifications
  • 1K system to avoid mixing and handling
  • Controlled cure
  • Enhanced performance with non-traditional raw materials

Uses:

  • Impregnating fabric belts
  • Large or complex cast parts
  • Rotomoulding

More about the Technology

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Blocked Technology

LANXESS manufactures and supplies an extensive portfolio of Trixene® and Adiprene® blocked prepolymers that incorporate a broad range of isocyanate and polyol chemistries. They are blocked with a range of blocking agents which are designed to unblock at specific curing temperatures and can be tailored to your specific needs.
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Low Free Technology

LANXESS is a leading innovator in the development of LF isocyanate technology which brings unparalleled performance and industrial hygiene to cast elastomers, coatings, and adhesives applications. LF urethane prepolymers minimize exposure to free isocyanate, a subject of increasing regulatory focus. LANXESS is the only manufacturer offering LF urethane prepolymers with levels of free isocyanate below 0.1% across a wide range of chemistries.

Applications

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Coating Solutions

LANXESS provides innovative polyurethane technology as key component for a range of coating systems, leveraging our expertise in urethanes to meet industry demand for sustainable solutions.
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Elastomer Solutions

LANXESS cast urethane systems, which include prepolymers, catalysts, and curatives, provide extensive coverage across a large range of demanding applications, from pipe linings and mining screens to roller coaster wheels and golf ball covers.

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Elastomer Solutions

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