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Incremental modification of styrene–butadiene rubber with tert ‐dodecyl mercaptan
Author(s) -
Booth C.,
Beason L. R.,
Bailey J. T.
Publication year - 1961
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.1961.070051318
Subject(s) - styrene butadiene , natural rubber , styrene , molecular mass , limiting , polymer chemistry , diffusion , chemistry , materials science , chemical engineering , polymer , organic chemistry , copolymer , thermodynamics , mechanical engineering , physics , engineering , enzyme
The molecular weights and molecular weight distribution of a styrene–butadiene rubber produced at 5°C. according to an incrementally modified recipe with tert ‐dodecyl mercaptan modifier, do not differ significantly from those of similar conventionally modified rubbers. The limiting effect of diffusion upon the mass transfer of mercaptan in the system provides a consistent explanation of this finding.