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Digitale Medien

Optical properties of some isoprene-styrene networks cross-linked through metal-acetylacetonate chelation (1984)

Ning, Y. -P. ; Mark, J. E.

Springer

Polymer bulletin 12 (1984), S. 23-27

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Details

ISSN: 1436-2449

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: Summary A styrene-isoprene random copolymer containing 80 mol % isoprene, and acetylacetonate groups attached to some of the styrene repeat units was cross-linked by chelation of these groups with a Pd(II) salt. The resulting elastomers were studied in both the unswollen state and swollen with the relatively symmetrical solvent 1,2,4-trichlorobenzene. Their birefringence-strain isotherms were found to be highly reversible, with deviations from linearity due to limited chain extensibility being even more marked than those exhibited by the stress. The stress-optical coefficient obtained is close to that previously reported for natural rubber, as might be expected.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00258267

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