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Polymers and Polymer Composites

CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY

February 1, 2007 By: Menard C; Alamercery S; Raffin G; McCormack S; Neel O; Grenier L M Research article

Title: CHARACTERISATION AND QUANTIFICATION OF LUBRICANTS IN A CROSS-LINKABLE VARNISH BY FOURIER TRANSFORM INFRARED ABSORPTION SPECTROSCOPY (FT-IR) AND DIFFERENTIAL SCANNING CALORIMETRY
Page Range: p.83-90
Author(s): Menard C; Alamercery S; Raffin G; McCormack S; Neel O; Grenier L M
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 15
Issue No: No.2

Abstract
Two complementary techniques (FTIR and DSC) were used to characterise blends of lubricants and to test them in situ in varnishes used in can coatings. The lids of beverage cans are coated with varnish before stamping. Since the metal undergoes considerable stress during stamping, the coefficient of friction of the crosslinked coating must be optimised. To this end, lubricants are used in the varnish. The lubricants used in this study were mixtures of carnauba wax, polyethylene wax and PTFE. The varnishes used were an epoxy resin and melamine co-formaldehyde. It was concluded that the precision, speed of sample preparation, and fast analysis made the FTIR, the technique of choice for testing lubricants in a crosslinkable varnish matrix. 7 refs.

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