Polymers and Polymer Composites

LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE

March 1, 2008 By: Hebrard M; Lundquist E G; Cho J-Y Research article

Title: LEAD-FREE STABILIZATION FOR PVC PIPES: THE NEW ALTERNATIVE
Page Range: p.217-224
Author(s): Hebrard M; Lundquist E G; Cho J-Y
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 16
Issue No: No.3

Abstract
The commercial development of latent tin mercaptides blocked with organic groups as heat stabilisers for extruded poly(vinyl chloride)(PVC) pipes as a replacement for lead-based stabilisers is described. The stabilisation mechanism and performance attributes including thermal stability under processing conditions, rheology and recyclability of PVC systems containing the heat stabilisers are discussed in comparison with those for lead-containing and alternative commercial calcium-zinc based systems. 11 refs.


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