The solubility of stabilizing additives in polypropylene

The solubility of stabilizing additives in polypropylene

The solubilities of several groups of common stabilizing additives have been measured in polypropylene over a range of temperatures. Regular solution theory is shown to give a good basis for extrapolation of data but cannot predict solubilities. Structural effects on solubility are discussed. The so...

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Veröffentlicht in:Polymer degradation and stability 1991, Vol.31 (1), p.23-36
Hauptverfasser: Billingham, N.C., Calvert, P.D., Okopi, I.W., Uzuner, A.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Compounding ingredients
Exact sciences and technology
Polymer industry, paints, wood
Stabilizers (antioxydants, antiozonants, etc.)
Technology of polymers
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Zusammenfassung:The solubilities of several groups of common stabilizing additives have been measured in polypropylene over a range of temperatures. Regular solution theory is shown to give a good basis for extrapolation of data but cannot predict solubilities. Structural effects on solubility are discussed. The solubility of an additive is dependent upon intrinsic properties (melting point and heat of fusion) and upon interactions with the polymer and both may be equally important.
ISSN:0141-3910
1873-2321
DOI:10.1016/0141-3910(91)90093-7