2000
DOI: 10.1002/1097-4628(20000919)77:12<2732::aid-app210>3.0.co;2-t
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N,N?-Pentamethylenethiuram disulfide- andN,N?-pentamethylenethiuram hexasulfide-accelerated sulfur vulcanization. II. Relative stability ofN,N?-pentamethylenethiuram disulfide and tetramethylthiuram disulfide with respect to amine formation

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Cited by 14 publications
(15 citation statements)
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“…Accordingly, ODA is ‘extracted’ from the interlayer regions for this complexion and, as a consequence, the layers collapse, and re‐aggregate. Many suggestions for the formation of such a Zn–sulfur–amine complex can be found in the literature 27–29. Nevertheless, if this hypothesis is correct, the compound produced in the internal mixer in the presence of ZnO and stearic acid should generate a more pronounced migration of the amine modifier in the rubber matrix.…”
Section: Resultsmentioning
confidence: 99%
“…Accordingly, ODA is ‘extracted’ from the interlayer regions for this complexion and, as a consequence, the layers collapse, and re‐aggregate. Many suggestions for the formation of such a Zn–sulfur–amine complex can be found in the literature 27–29. Nevertheless, if this hypothesis is correct, the compound produced in the internal mixer in the presence of ZnO and stearic acid should generate a more pronounced migration of the amine modifier in the rubber matrix.…”
Section: Resultsmentioning
confidence: 99%
“…CPTU forms after an induction period and at a fairly constant although slightly slower rate than in the absence of rubber. 16,19 Its formation is clearly independent of the vulcanization process, and is catalyzed by amines formed in the system, as discussed in an earlier articles. 16 The slower formation of CPTU can be attributed to competition between amine attack on CPTP and the reaction of CPTP with the polymer chain to form thiuram-terminated pendent groups.…”
Section: Cptu Formationmentioning
confidence: 71%
“…No CPTU was detected during vulcanization of IR/CPTP6 under vacuum. Because the presence of Hpmtc was found to promote the formation of CPTU, 16 the absence of CPTU in IR/CPTP6 vulcanized under vacuum confirms the absence of Hpmtc in the rubber film. The net effect of the removal of Hpmtc, by vulcanizing in a vacuum, was to lower the crosslink density (5.36 ϫ 10 Ϫ5 vs. 0.69 ϫ 10 Ϫ5 mol/mL), and thereby confirming the important role Hpmtc and other alkyldithiocarbamic acids play in the vulcanization process.…”
Section: Thiuram-terminated Pendent Group Formationmentioning
confidence: 94%
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“…Using the method of melt intercalation to prepare rubber/clay nanocomposites, dispersion of clay layers is always a hotspot, and there are a few investigations focusing on the vulcanization additives, like accelerant zinc dimethyldithio carbamate (PZ) 15 and zinc oxide (ZnO). [16][17][18] However, only a few literatures discuss the effect of the characteristics of rubbers, 19,20 and no literature investigates the combined effect of additives and characteristics of rubber matrix.…”
Section: Introductionmentioning
confidence: 99%