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3. Other types of PVC stabilization
Like other polymers, PVC needs to be stabilized to meet certain performance requirements in the final application. Stabilization occurs when the additive acts on the chemical structure of the polymer or its decomposition products, as opposed to other types which modify physical properties, such as impact modifiers. Other types of stabilization may, for example, be :
fire resistance (although PVC is already a naturally flame-retardant polymer);
resistance to weathering ;
resistance to ozone attack.
Unlike thermal stabilization, there are no other PVC-specific stabilizers to address these different degradation modes. UV stabilizers, for example, whether organic or inorganic, are the same as those used in large quantities in polypropylene or...
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Other types of PVC stabilization
PVC formulation
Bibliography
Standards and norms
- Plastiques. Détermination de l'indice de fluidité à chaud des matières plastiques en masse (MFR) et en volume (MVR) - ISO 1133 - (2005)
- Plastiques. Détermination de l'indice de fluidité à chaud des matières plastiques en masse (MFR) et en volume (MVR) - ISO 1133/AC1 - (2006)
- Préparation d'une feuille de PVC pour test de stabilité thermique - ASTM D 2115 - (2004)
- Test de dégradation thermique dans...
Directory
Organotin salts
Akcros
Baerlocher
Galata (Chemtura)
...Statistical and economic data
According to figures published by ESPA (European Stabilisers Producers Association) and the European PVC Producers Association (Vinyl 2010), European consumption of thermal stabilisers for PVC in 2010 is estimated at around 160,000 t for some 5.5 million tonnes of PVC, with the breakdown by stabiliser type shown in figure
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