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Degradation and Stabilisation of Polyamides
Product Code: 978-1-84735-089-3
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Degradation and Stabilisation of Polyamides
Rapra Review Reports, Vol. 16, No. 9, Report 189, 2008
The polyamides are usually referred to as condensation polymers. The polyamides thus differ markedly in their manufacturing process from the polymerisation methods used to manufacture addition polymers such as styrenics and polyolefins.
The properties of polyamides when fabricated into articles of manufacture are considerably affected by the amount of crystallinity present. Unlike other polymer classes, the degree of crystallinity of the polyamides can vary by as much as 40%, depending on how the fabrication is carried out.
A great deal of research has been carried out into the degradation of PA, but the materials and test conditions used vary tremendously, even for a single polymer such as Nylon 6, therefore it is not really surprising that many such studies differ considerably in both results and in their interpretation. This report looks at some of the methods used to stabilise the polyamides and also examines how they degrade and how this can be prevented by stabilising the molecule.
Contents
1. Background
2. Degradation
2.1 Thermal Degradation
2.2 Thermal Oxidation
2.3 Photolysis
2.4 Photooxidation
2.5 Hydrolysis
2.6 Deliberate Degradation
3. Stabilisation
3.1 Metal-Based Stabilisers
3.2 Hindered Phenols
3.3 Aromatic Amines
3.4 Hindered Amines
3.5 Miscellaneous
4. Comments
5. Additional References
6. Abbreviations and Acronyms
References from the Polymer Library Database
Subject Index
Company Index
Price: £85.00 (Ex VAT)
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