Si-PolyU 2550 (SMP – Silane Modified Polymers)

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Chemical name
Silylated polyurethane
Si-PolyU 2550  (SMP – Silane Modified Polymers)
Si-PolyU 2550  (SMP – Silane Modified Polymers)
Si-PolyU 2550  (SMP – Silane Modified Polymers)
Si-PolyU 2550  (SMP – Silane Modified Polymers)
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Si-PolyU 2550 is a moderately viscous, low-polar, silane-modified polymer developed for the formulation of solvent- and isocyanate-free sealants and elastic adhesives. The polymer backbone is based on polypropylene glycol terminated with trimethoxysilyl groups.

The polymer is moisture curable at ambient temperature and can therefore be formulated as one or two component systems. Formulations based on this polymer show good adhesion to a large number of substrates, eliminating the need for time-consuming substrate pre-treatment or the use of primers.

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Properties and applications

Product advantages:

  • high elongation at break,
  • broad adhesion spectrum even without primer.

Application:

  • reactive binder for sealants and adhesives, casting compounds or coatings.
Categories
Alternative names
Silane terminated polymers, Silyl modified polymers, silicone hybrid polymers, silylated polyurethane, SMP, STPE, MS.

Manufacturer: PolyU GmbH

As a 100% subsidiary of the group holding company PCC SE, PolyU GmbH is part of the international PCC Group. At the Oberhausen location in Germany, PolyU GmbH develops and sells innovative SMP systems for special applications. In close cooperation with customers, solutions are created for individual requirements in a wide range of application areas, industries and markets.

PCC Group

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