Henkel updates portfolio with new products

- Liofol LA 7777 series allows converters to shorten the time to compliance with food regulations

 

- Liofol HS 2210-22 heat seal lacquer also launched

 

Henkel has launched new family of solvent-free laminating adhesives and coatings suitable for flexible packaging applications.

 

With a low monomer content, Henkel said the new solvent-free laminating adhesives from the Liofol LA 7777 family are suitable for high barrier films that demand low carbon dioxide formation from the adhesive.

 

Due to the reduced monomer content, converters can reduce the risk of primary aromatic amine (PAA) formation and the time required for decay of PAAs. For example, a laminated structure containing an OPA film, as typically used for cheese packaging, requires more time for full cure and decay of PAAS than an OPP/OPP structure for snack food packaging.

 

As such, the Liofol LA 7777 series allows converters to shorten the time to compliance with food regulations. In OPA/PE structures, PAAs are already below the detection limit after one day.

 

The new adhesive systems have also been given a long potlife of up to 60 minutes, double the time of reference systems.

 

‘The LA 7777 series is a great new option for the converting industry to provide even safer food packaging,’ said Henkel’s marketing manager Regina Müller.

 

Henkel has also developed a new water-based heat seal lacquer for food applications. Liofol HS 2210-22 is a low-temperature sealing lacquer, which already activates at less than 100 degrees C. It can be applied on film, foil and paper, and is characterized by a versatile range of applications, including banderoles, soap packs and coffee packs.

 

Henkel said Liofol HS 2210-22 bridges the gap between several technologies and allows users who want to operate completely solvent-free lines to integrate heat seal technology into their converted products without the need for investment in hotmelt application technology.

 

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