Carbon 13 Nmr in Polymer Science (ACS symposium series) by Wallace M. Pasikan

By Wallace M. Pasikan

content material: The research of the constitution and chain dynamics of polysulfones by means of carbon-13 NMR / F.A. Bovey and R.E. Cais --
Polysaccharide branching and carbon-13 NMR / F.R. Seymour --
A reinvestigation of the constitution of poly(dichlorophenylene oxides) utilizing carbon-13 NMR spectroscopy / John F. Harrod and Patrick Van Gheluwe --
Carbon-13 NMR in natural solids : the opportunity of polymer characterization / A.N. Garroway, W.B. Moniz, and H.A. Resing --
Carbon-13 NMR experiences of version anionic polymerization structures / S. Bywater and D.J. Worsfold --
Carbon-13 NMR high-resolution characterization of elastomer platforms / Charles J. Carman --
Characterization of carbohydrate polymers through carbon-13 NMR spectroscopy / Arthur S. Perlin and Gordon okay. Hamer --
rest experiences within the process poly(ethyl methacrylate)-chloroform through carbon-13 and proton NMR / Lenas J. Hedlund, Robert M. Riddle, and Wilmer G. Miller --
using carbon-13 NMR to review binding of hormones to version receptor membranes : the opioid peptide enkephalin / Harold C. Jarrell, P. Tancrede, Roxanne Deslauriers, Ian C.P. Smith, and W. Herbert McGregor --
Carbon-13 spin leisure parameters of semicrystalline polymers / D.E. Axelson and L. Mandelkern --
Use of carbon-13 NMR research within the characterization of alternating copolymers ready via chemical differences of 1,4-polydienes / R. Lacas, G. Maurice, and J. Prud'homme --
Carbon-13 NMR experiences at the cationic polymerization of cyclic ethers / G. Pruckmayr and T.K. Wu --
A comparability of versions and version parameters for the translation of carbon-13 leisure in universal polymers / Alan Anthony Jones, Gary L. Robinson, and Fredric E. Gerr --
Carbon-13 NMR and polymer stereochemical configuration / James C. Randall.

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Extra info for Carbon 13 Nmr in Polymer Science (ACS symposium series)

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11. 12. 13. 14. , Zh. russk. -khim. , (1898), 30, 826. , Chem. , (1899), 1, 249. Dainton, F. S. and Ivin, K. , Nature, (1948), 162, 705. Barb, W. , Proc. Roy. , London, Ser. A, (1952), 212, 177. , Makromol. , (1962), 52, 98. Tokura, N. , Kogyo Kagaku Zasshi, (1961), 64, 50. Cais, R. , O'Donnell, J. , and Bovey, F. , Macromolecules, (1977), 10, 254. Coleman, M. , Tabb, D. L. and Brame, E. , Rubber Chem. , (1977), 50, 49. Cais, R. E. and Bovey, F. , Macromolecules, (1977), 10, 757. Stockmayer, W.

I should have pointed out very clearly that a l l of the spectra I showed for the chloroprene system were done at 90 MHz while those of the styrene system were obtained at 25 MHz. K. I. duPont de Nemours Delaware. A couple of years ago Dr. Ofoiano, Dr. Haine and I studied a simpler alternating copolymer, that i s , theylene CO, which we called a semialternating sopolymer because the ethylene content was variable. From the C-13 and proton NMR spectra we f e l t we could treat this copolymer as a hypothetical copolymer of ethylene and a f i c t i tious comonomer ethylene-CO.

A c e t o l y s i s data the v a r i o u s mannan s t r u c t u r e s appear to d i s p l a y greater s t r u c t u r a l d i v e r s i t y than the dextrans (3). _g. d i f f e r e n c e s i n degree o f branching) are a v a i l a b l e f o r these mannans. In general, the mannans c o n t a i n greater percentages o f non-(1+6)-linkages than do the dextrans. s. i n d i c a t e s that mannans, i n c o n t r a s t to the dextrans, o f t e n have these non-(1+6)-linkages a s s o c i a t e d with l i n e a r chain extending r e s i d u e s , r a t h e r than as branch-points a s s o c i a t e d with branched residues a l s o c o n t a i n i n g (1+6)-linkages.

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