Solid‐state  13 C‐NMR investigations of crosslinked structure modifications in elastomers during heating treatment | Zendy

Buzaré JeanYves | Zendy; Silly G. | Zendy; Emery J. | Zendy; Boccaccio Guy | Zendy; Rouault Eric | Zendy

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Solid‐state 13 C‐NMR investigations of crosslinked structure modifications in elastomers during heating treatment

Author(s) -

Buzaré JeanYves,

Silly G.,

Emery J.,

Boccaccio Guy,

Rouault Eric

Publication year - 2002

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.11656

Subject(s) - vulcanization , elastomer , natural rubber , materials science , sulfur , carbon 13 nmr , polymer chemistry , proton nmr , chemical structure , chemical engineering , chemistry , composite material , organic chemistry , engineering , metallurgy

The chemical modifications occurring during the thermal degradation of sulfur‐cured natural rubber were investigated with 13 C‐NMR. Samples of vulcanized rubbers were heat‐aged at 70°C under an air (oxidative) environment for 3, 7, and 21 days. Changes were analyzed by the measurement of the variations of the concentrations of different C–S x –C crosslinked structures during the thermooxidative process through the intensity of the related NMR lines in the 10–70‐ppm range. © 2002 Wiley Periodicals, Inc. J Appl Polm Sci 87:3–8, 2003

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