Zobrazeno 1 - 10
of 14
pro vyhledávání: '"F. W. H. Kruger"'
Autor:
C. W. Holzapfel, F. W. H. Kruger
Publikováno v:
ChemInform. 23
The chiral synthesis of the fungal metabolite β- cyclopiazonic acid is described. The key step involves the use of the tricarbonylchromium complex of an N-protected L- tryptophan methyl ester as a substrate for the addition/oxidation method of subst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c95b331f58d466735ebd4b5079202476
https://doi.org/10.1002/chin.199216295
https://doi.org/10.1002/chin.199216295
Autor:
F. W. H. Kruger, W. J. McGill
Publikováno v:
Journal of Applied Polymer Science. 45:1545-1556
Several aspects on the mechanism of vulcanization in the synthetic cis-1,4-polyisoprene (IR)-sulfur-tetramethylthiuram disulphide (TMTD)–ZnO system were harmonized. The differential scanning calorimetry (DSC) thermograms showed that the vulcanizati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7564f41b57d7c4749b0ef2224d57412b
https://doi.org/10.1002/app.1992.070450906
https://doi.org/10.1002/app.1992.070450906
Autor:
F. W. H. Kruger, W. J. McGill
Publikováno v:
Journal of Applied Polymer Science. 45:1491-1495
The network maturing reactions of the inefficient cis-1,4-polyisoprene (IR)–sulfur–zinc dimethyldithiocarbamate (ZDMC) and IR–sulfur–ZDMC–ZnO vulcanization systems were discussed. The Moore–Trego efficiency E was exceptionally high and in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3b9afe2be042da9b70e89b7144906825
https://doi.org/10.1002/app.1992.070450818
https://doi.org/10.1002/app.1992.070450818
Autor:
F. W. H. Kruger, W. J. McGill
Publikováno v:
Journal of Applied Polymer Science. 45:749-753
During the vulcanization of cis-1,4-polyisoprene (IR) with thiruam-related curing systems, dimethyldithiocarbamic acid (DMDCA) is formed as a byproduct, in the formation of either pendent groups or crosslinks. DMDCA is unstable, and decomposes instan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0661c83afcba08ca679aede58db9b427
https://doi.org/10.1002/app.1992.070450501
https://doi.org/10.1002/app.1992.070450501
Autor:
W. J. McGill, F. W. H. Kruger
Publikováno v:
Journal of Applied Polymer Science. 45:755-763
Aspects of the mechanism of zinc dimethyldithiocarbamate (ZDMC)-accelerated sulfur vulcanization were discussed. The trends in the efficiency parameter E, confirmed that crosslinking is preceded by the formation of pendent groups RSxSX [R = polyisopr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ac9639d0ff051014f185ea7d34bb7b2
https://doi.org/10.1002/app.1992.070450502
https://doi.org/10.1002/app.1992.070450502
Autor:
W. J. McGill, F. W. H. Kruger
Publikováno v:
Journal of Applied Polymer Science. 45:573-578
Several aspects concerning the network maturing reactions of the cis-1,4-polyisoprene (IR)/tetramethylthiuram disulfide (TMTD)/ZnO curing system, were evaluated with reference to previously published literature. The crosslink density increased progre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d8e21fa5d2b5902ad2417feb1d805ca
https://doi.org/10.1002/app.1992.070450402
https://doi.org/10.1002/app.1992.070450402
Autor:
W. J. McGill, F. W. H. Kruger
Publikováno v:
Journal of Applied Polymer Science. 45:563-571
A detailed account of the mechanism of crosslinking in the cis-1,4-polyisoprene (IR)-tetramethylthluram disulfide (TMTD)–ZnO system is given. Many experimental observations were harmonized in terms of a radical mechanism, rather than an ionic mecha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::befd6eaabba841b07da6856769ac40dc
https://doi.org/10.1002/app.1992.070450401
https://doi.org/10.1002/app.1992.070450401
Autor:
W. J. McGill, F. W. H. Kruger
Publikováno v:
Journal of Applied Polymer Science. 44:587-592
The interaction of curatives in the systems cis-1,4-polyisoprene (IR)–sulfur, IR–sulfur–ZnO, IR–tetramethylthiuram disulphide (TMTD), and IR–sulfur–TMTD were studied. Thermal events observed in the differential scanning calorimetry curing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39ce00d08feebac026088772b7182c59
https://doi.org/10.1002/app.1992.070440404
https://doi.org/10.1002/app.1992.070440404
Autor:
F. W. H. Kruger, W. J. McGill
Publikováno v:
Journal of Applied Polymer Science. 44:581-585
The tetramethylthiuram disulfide (TMTD) and zinc dimethyldithiocarbamate (ZDMC) related vulcanization of cis-1,4-polyisoprene (IR) were studied by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and electron spin resonance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fff6146288695f4c9bd7ab3aafaf7107
https://doi.org/10.1002/app.1992.070440403
https://doi.org/10.1002/app.1992.070440403
Autor:
F. W. H. Kruger, W. J. McGill
Publikováno v:
Journal of Applied Polymer Science. 42:2661-2667
The interaction among various combinations of sulfur, tetramethylthiuram monosulphide (TMTM), ZnO, and stearic acid were studied by differential scanning calorimetry in the absence of rubber. Sulfur and TMTM reacted to form tetramethylthiuram disulph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5140bbc3ae2d1dc41f44b6ac2a14c84a
https://doi.org/10.1002/app.1991.070421004
https://doi.org/10.1002/app.1991.070421004