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|Title:||A Rheological Study of the Ageing of Emulsion and Microsuspension-Based PVC Plastisols|
|Author(s):||Barroso, Eva Guiomar Gonçalves|
Duarte, F. M.
Maia, J. M.
|Journal:||Journal of Applied Polymer Science|
|Abstract(s):||A PVC plastisol is a homogeneous dispersion of PVC resin in a liquid continuous phase consisting basically of a plasticizer and a thermal stabilizer; the PVC resin being usually a fine powder is polymerized by emulsion or microsuspension processes. Plastisol rheology is affected by many aspects of the plastisol formulations, such as type and amount of each ingredient, the mixing procedure, temperature, and the effect of PVC resin properties. In this work, the ageing behavior of PVC plastisols with different resin types was studied, with the results showing an unexpected behavior in the elastic modulus, probably originating from plasticizer adsorption at the surface of the PVC particles.|
|Access:||Restricted access (UMinho)|
|Appears in Collections:||IPC - Artigos em revistas científicas internacionais com arbitragem|
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