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Adiprene® BL

Adiprene® blocked urethanes are based on a technology to control the cure of urethane elastomers. This technology effectively blocks the curing reaction until it is heat activated at the optimum time in the process.

Blocked Urethane Prepolymers for Processing Flexibility

Adiprene® blocked urethanes are based on a technology to control the cure of urethane elastomers. This technology effectively blocks the curing reaction until it is heat activated at the optimum time in the process. This enables the pouring of large and complex parts, and even facilitates the use of hand batching. Blocked systems can be processed with curatives that would otherwise be too fast for traditional unblocked prepolymers, but that provide toughness and other properties not achievable with standard curatives. By starting with LF MDI technology, blocked LF MDI prepolymers have lower viscosity and low melting point to further improve processing.

Adiprene® BL are used for elastic, high performance binders for abrasive particles, mineral fillers, or for impregnating fabrics.

Benefits:

  • Wide processing window and controlled cure
  • Enhanced mechanical properties for high performance abrasive binders
  • Designed polyol component for superior heat resistance
  • LF technology for improved industrial hygiene

Adiprene® blocked urethane prepolymers are available in both conventional and LF (low free) chemistries, with various polyols and blocking agents. LANXESS scientists can work with you to customize a special formulation to achieve your ideal performance.

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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