Zobrazeno 1 - 10
of 25
pro vyhledávání: '"S.M. Gabbay"'
Publikováno v:
Journal of Applied Polymer Science. 19:2391-2402
Isotactic and atactic poly(4-methyl-1-pentene) powders were degraded in the presence of pure oxygen at temperatures of 145° and 175°C. The functional groups present in the nonvolatile products were identified using infrared spectroscopy. The volati
Autor:
S.M. Gabbay
Publikováno v:
Polymer. 17:121-124
The infra-red (i.r.) spectra of the two polymorphous forms (modification 1 and 2) of isotactic poly(1-pentene) are reported. Several absorption bands characteristic of the two modifications have been detected and attributed to the helical conformatio
Autor:
S.M. Gabbay, Salvatore S. Stivala
Publikováno v:
Polymer. 17:61-64
Isotactic poly(1-pentene) was degraded in the presence of pure oxygen at 115°C. The functional groups present in the non-volatile products were identified using infra-red spectroscopy. The volatile products formed were identified by means of a relat
Publikováno v:
Polymer. 16:749-752
The kinetics of the thermal oxidation of isotactic poly(1-pentene) was studied in the bulk phase. The experimental data were obtained from the quantitative estimation of carbonyl groups formed in the non-volatile oxidation products using infra-red sp
Publikováno v:
Analytica Chimica Acta. 78:359-365
A modification of a relatively new technique (thermal and mass chromatography) is used to study the volatile products evolved in the thermal oxidative degradation of isotactic poly(1-pentene) at 115° C under 100% oxygen. This new technique allows ce
Autor:
Salvatore S. Stivala, S.M. Gabbay
Publikováno v:
Polymer. 17:137-141
The kinetics of the thermal oxidation of isotactic and atactic poly(4-methyl-1-pentene) were studied in the bulk phase using infra-red (i.r.) spectroscopy. The rates of formation of the non-volatile products were assessed from the i.r. bands of the c
Autor:
S.M. Gabbay, Salvatore S. Stivala
Publikováno v:
Polymer. 18:807-809
The kinetics of the thermal oxidation of isotactic poly(4-methyl-1-pentane) were studied in the bulk phase using thermogravimetric analysis (t.g.a.) at temperatures from 155° to 185°C and oxygen concentration from 75 to 100% by volume. The kinetics
Autor:
S.M. Gabbay, S.S. Stivala
Publikováno v:
Polymer. 19:850-851
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