Studies on the role of organophosphites in polyester blends: I. 31P nuclear magnetic resonance spectroscopy
| Autor: | Keith R. Carduner, H. Van Oene, R. O. Carter, Mo-Fung Cheung, A. Golovoy |
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| Rok vydání: | 1990 |
| Předmět: |
Acrylate polymer
chemistry.chemical_classification BTBP Materials science Polymers and Plastics Inorganic chemistry General Chemistry Nuclear magnetic resonance spectroscopy Polymer Pentaerythritol Surfaces Coatings and Films chemistry.chemical_compound Hydrolysis chemistry visual_art Polymer chemistry Materials Chemistry Magic angle spinning visual_art.visual_art_medium Polycarbonate |
| Zdroj: | Journal of Applied Polymer Science. 40:963-975 |
| ISSN: | 1097-4628 0021-8995 |
| DOI: | 10.1002/app.1990.070400529 |
| Popis: | The utility of 31 P magic angle spinning (MAS) nuclear magnetic resonance (NMR) for the identification of organophosphite polymer additives, their hydrolysis products, and for the determination of their concentration is demonstrated for bis-(2,4-di-t-butylphenyl) pentaerythritol diphosphite (BTBP) in polycarbonate. This additive undergoes a complex process of hydrolysis that leads to the formation of at least three new phosphorus species. High-resolution solution 31 P NMR is used to help in the identification of the products of the stabilizer chemistry |
| Databáze: | OpenAIRE |
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