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News

Advances in Swan polyamide resins for ink formulations

Thomas Swan : 06 February, 2006  (New Product)
Two new polyamide resin products designed to help ink formulators meet more demanding performance and environmental requirements in packaging print applications have been launched by Thomas Swan & Co Ltd.
Two new polyamide resin products designed to help ink formulators meet more demanding performance and environmental requirements in packaging print applications have been launched by Thomas Swan & Co Ltd.

A new co-solvent, co-polymer polyamide resin Casamid SP2665 marks a major step forward for resins used in cold-seal release lacquers. Formulated on low-cost dimer acids, SP2665 offers a one-shot solution to give more efficient production with reduced charge times, it replaces the use of both Casamid 878 and 1752.

Casamid SP2665 also offers additional performance benefits with enhanced alcohol tolerance, imporved gel recovery and easier handling characteristics. The product can be dissolved in solvent with reduced hydrocarbon content compared with conventional co-solvent blends and so can contribute towards meeting regulatory requirements and cost-saving emissions targets.

A further product development at Swan sees the introduction of a new polyamide binder Casamid 2670 with enhanced grip and tack characteristics in a modified polyamide/nitrocellulose film. This high acid -value solution is used as a modifying resin with other polyamides for anti-slip varnishes and is supplied at 60% resin to 40% TSDA. The product offers low solution viscosity and good solubility in a variety of solvents and solvent blends.

Thomas Swan & Co Ltd, of Consett, County Durham, UK, offer a wide range of specialised polyurethane and polyamide resins under their Casathane and Casamid brands and have earned a reputation for high performance and very low odour, an essential requirement for todayís packaging print market.
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