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Crosslinker for the formulation heat curing PUR coatings

Blocked VESTANAT® polyurethane crosslinkers offer solutions for interior as well as exterior coating applications within the can- & coil coating industry.

Blocked polyurethane crosslinkers in thermosetting 1K systems

  • Contains blocking agents e.g. -caprolactam
  • At ambient temperature: blocked polyurethane crosslinkers cannot react with the resin component
  • At elevated temperatures: the blocking agent will be released and the isocyanate group can react with the resin
Blocked polyurethane crosslinkers graphic

Product Portfolio

Crosslinker for the formulation heat curing PUR coatings. It is approved for direct food contact (FCN No. 1268).
Comprising a caprolactam blocked cycloaliphatic polyisocyanate based on isophorone diisocyanate (IPDI) with a deblocking temperature of ≥ 150°C. Supplied as 60% by wt. solution in solvent naphtha.

Properties

  • All can- & coil coating applications can be served (food /non-food)
  • 1K storage-stable approaches
  • Improved sterilization resistance
  • High flexibility

Crosslinker for the formulation heat curing PUR coatings with very high flexibility.
Comprising a caprolactam aliphatic polyisocyanate with a deblocking temperature of ≥ 160°C. Supplied as 65% by wt. solution in a naphthalene depleted solvent naphtha.

Properties

  • High flexibility
  • Not for direct food contact

Solid, solvent-free crosslinker for the formulation heat curing PUR coatings.
Comprising a methyl-ethyl-ketone-oxime (MEKO) blocked cycloaliphatic polyisocyanate based on isophorone diisocyanate (IPDI) with a deblocking temperature of ≥ 130°C. Supplied in flakes.

Properties

  • No solvents

Crosslinker for the formulation heat curing PUR coatings.
Comprising an acetone-oxime blocked cycloaliphatic polyisocyanate based on isophorone diisocyanate (IPDI) with a deblocking temperature of ≥ 130°C. Supplied as 60% by wt. solution in n-butyl-acetate/xylene.

Properties

  • Dissolved in butylacetate/xylene instead of Solvent Naphtha 100

Crosslinker for the formulation heat curing PUR coatings.
Comprising a blocked cycloaliphatic polyisocyanate based on isophorone diisocyanate (IPDI) with a deblocking temperature of ≥ 110°C. Supplied as 65% by wt. solution in n-butyl acetate.

Properties

  • Highly reactive crosslinker for low temperature curing coatings starting from 130°C

Crosslinker for the formulation heat curing PUR coatings.
Comprising a methyl-ethyl-ketone-oxime (MEKO) blocked cycloaliphatic polyisocyanate based on isophorone diisocyanate (IPDI) with a deblocking temperature of ≥ 130°C. Supplied as 63% by wt. solution in solvent naphtha.

Properties

  • Good mechanical properties
  • Improved chemical- and sterilization resistance
  • Good storage stability

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Please note that products may not be available in every country. Consult with your area sales manager for further information.