By Anita J. Brandolini, Deborah D. Hills
Presents extraordinary quantitative and qualitative information regarding polymer ideas for NMR and utilized spectroscopists, plastics engineers, analytical chemists, and polymer scientists.
Read Online or Download NMR Spectra of Polymers and Polymer Additives A J Brandolini D D Hills Marcel Dekker 0 PDF
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Extra info for NMR Spectra of Polymers and Polymer Additives A J Brandolini D D Hills Marcel Dekker 0
This material is also known as high-pressure polyethylene. 91 g/cm3. This soft, flexible plastic is commonly used for film and other packaging applications. It melts at ~110°C. html5/11/2006 8:06:58 AM Document Page 38 II-A-4— Polyethylene, Oxidized Comments Oxidation of polyethylene can lead to formation of species such as acids, secondary alcohols, esters, and lactones. The relative amounts depend on the conditions under which degradation occurred. Unintentional oxidation can be caused by aging or heat exposure (during processing, transportation, storage, or use), and is usually accompanied by yellow or brown discoloration and deterioration of properties.
Sawaguchi, S. Niikuni, and T. Ikemura. J. Polym. Sci. Polym. Chem. Ed. 21:703 1983; H. N. Cheng, F. C. Schilling, and F. A. Bovey. Macromolecules p 363, 1976. html5/11/2006 8:07:01 AM Document Page 40 II-A-5— Polyethylene, Chlorinated [25% Cl] (CIPE) Comments A wide distribution of resonances is observed, because of the many possible chlorination patterns. Treatment of HDPE with Cl2 produces an elastomeric material, which can be vulcanized to further improve its properties. It is used primarily for wire and cable jacketing.
J. Kasehagen. Macromolecules 25:3779, 1992. 9. J. R. Park, R. Shiono, and K. Soga. Macromolecules 25:521, 1992. 10. T. Asakura, M. Demura, and Y. Nishiyama. Macromolecules 24:2334, 1991. html5/11/2006 8:06:39 AM Document Page 28 SATURATED HYDROCARBON BACKBONE; ALKYL PENDANT GROUPS List of Spectra A. html (1 z 2)5/11/2006 8:06:42 AM Document Page 29 II-A-39 Poly(ethylene-co-1-hexene)/polyethylene, branched, 80/20 Blend IIA40 Poly(ethylene-co-1-hexene)/poly(ethylene-co-propylene) [40%P], 90/10 blend II-A-41 Poly(ethylene-co-1-hexene)/poly(ethylene-co-vinyl acetate) [14%VA], 80/20 blend II-A-42 Poly(ethylene-co-1-octene)/polyethylene, branched, 80/20 blend II-A-43 Poly(ethylene-co-1-octene)/poly(ethylene-co-propylene) [40%P], 90/10 blend II-A-44 Poly(ethylene-co-1-octene)/poly(ethylene-co-vinyl acetate) [14%VA], 80/20 blend B.