Effect of vulcanization temperature and vulcanization systems on the structure and properties of natural rubber vulcanizates

R Mukhopadhyay, SK De, SN Chakraborty - Polymer, 1977 - Elsevier
The effect of vulcanization temperature (150°–180° C) on the structure and technical
properties of gum natural rubber vulcanizates with four different 2-(morpholinodithio) …

High temperature vulcanization of elastomers: 2. Network structures in conventional sulphenamide-sulphur natural rubber vulcanizates

CT Loo - Polymer, 1974 - Elsevier
A natural rubber (NR) gum mix with a conventional N-cyclohexyl-2-
benzothiazylsulphenamide (CBS) accelerated sulphur system (0.5: 2.5 CBS/S) was …

High temperature vulcanization of elastomers: 3. Network structure of efficiently vulcanized natural rubber mixes

CT Loo - Polymer, 1974 - Elsevier
The effect of vulcanization temperature (140–200° C) and time on the structures of pure gum
natural rubber vulcanizates with two different N-cyclohexyl-2-benzothiazylsulphenamide …

Effect of vulcanization temperature and synergism of accelerators on the network and technical properties of efficiently vulcanized natural rubber mixes

R Mukhopadhyay, AK Bhowmick, SK De - Polymer, 1978 - Elsevier
The effect of an increase in vulcanization temperature from 150° to 180° C on the network
structure and technical properties of gum natural rubber vulcanizates has been studied …

Structural characterization of vulcanizates. Part VI. The 2‐mercaptobenzothiazole‐accelerated natural rubber–sulfur system

CG Moore, M Porter - Journal of Applied Polymer Science, 1967 - Wiley Online Library
The crosslinking efficiency of sulfur in the vulcanization of natural rubber in the presence of 2‐
mercaptobenzothiazole, zinc oxide, and lauric acid has been determined as a function of …

Effect of sulfur to accelerator ratio on crosslink structure, reversion, and strength in natural rubber

K Boonkerd, C Deeprasertkul… - Rubber chemistry …, 2016 - meridian.allenpress.com
ABSTRACT A new relationship among the sulfur to accelerator (S/A) ratio, the degree of
reversion or the net loss of crosslinks at the prolonged cure time, and the tensile strength …

The use of thiol-amine chemical probes in network characterisation of NBR vulcanizates

D Kiroski, J Sims, DE Packham… - Kautschuk und Gummi …, 1997 - hero.epa.gov
Disulphide and polysulphide crosslinks in sulphur-cured gum vulcanizates of nitrile
butadiene rubber (NBR) could be cleaved by treating with hexane-1-thiol (1M) in piperidine …

Effect of crosslink structure on properties of natural rubber

J Lal - Rubber chemistry and technology, 1970 - meridian.allenpress.com
Natural rubber-sulfur-diphenylguanidine vulcanizates were allowed to react with
triphenylphosphine under nitrogen to convert polysulfidic crosslinks principally to di-and …

[引用][C] The nature of the crosslinks in tetramethylthiuram disulfide–zinc oxide–natural rubber vulcanizates

CG Moore - Journal of Polymer Science, 1958 - Wiley Online Library
The mechanism of vulcanization of natural ruhher (NR) by means of tetramethylthiuram
disulfide (TMT) and zinc oxide has been the subject of much recent experimental work and …

Analysis of cure characteristics on cross-link density and type, and viscoelastic properties of natural rubber

N Sombatsompop - Polymer–Plastics Technology and Engineering, 1998 - Taylor & Francis
The interrelation of degree and type of cross-linking and viscoelastic properties of sulfur-
cured natural rubber (NR) vulcanizates was investigated by altering accelerator …