Stereospecific Polymerization of Acetaldehyde I
Studies on the polymerization of acetaldehyde by the catalyst of aluminumtriethyl are reported. It was found that there were several remarkable differences between the polymerizations when catalyst was added at room temperature and at low temperature. In this polymerization system, the conversion re...
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| Published in | Kobunshi Kagaku Vol. 18; no. 191; pp. 187 - 190 |
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| Main Author | |
| Format | Journal Article |
| Language | Japanese |
| Published |
The Society of Polymer Science, Japan
25.03.1961
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| Online Access | Get full text |
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| Abstract | Studies on the polymerization of acetaldehyde by the catalyst of aluminumtriethyl are reported. It was found that there were several remarkable differences between the polymerizations when catalyst was added at room temperature and at low temperature. In this polymerization system, the conversion reached a limited value in relatively short time. There was a maximum of conversion at 2%(wt) of catalyst to monomer. The lower polymerization temperature, the greater polymerization rate and the larger fraction of crystalline polymer became. An apparent activation energy of over all polymerization in this system was calculated to be-8.5 kcal/mol. |
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| AbstractList | Studies on the polymerization of acetaldehyde by the catalyst of aluminumtriethyl are reported. It was found that there were several remarkable differences between the polymerizations when catalyst was added at room temperature and at low temperature. In this polymerization system, the conversion reached a limited value in relatively short time. There was a maximum of conversion at 2%(wt) of catalyst to monomer. The lower polymerization temperature, the greater polymerization rate and the larger fraction of crystalline polymer became. An apparent activation energy of over all polymerization in this system was calculated to be-8.5 kcal/mol. |
| Author | Ishida, Shin-ichi |
| Author_xml | – sequence: 1 fullname: Ishida, Shin-ichi organization: Techanical Research Laboratory, Asahi Chemical Industry Co. Ltd |
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| CitedBy_id | crossref_primary_10_1002_pol_1973_170110401 crossref_primary_10_1002_pol_1968_150060824 crossref_primary_10_1002_pol_1972_150100811 crossref_primary_10_1002_pol_1964_100021028 crossref_primary_10_1002_pol_1973_170110625 crossref_primary_10_1002_polc_5070230234 crossref_primary_10_1002_pol_1962_1206217301 crossref_primary_10_1002_macp_1973_021630104 |
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| Copyright | The Society of Polymer Science, Japan |
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| DOI | 10.1295/koron1944.18.187 |
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| References | 1) J. Furukawa, T. Saegusa, H. Fujii, A. Kawasaki, H. Imai and Y. Fujii: Makromol. Chemie, 37, 149 (1960 4) M. Osgan and C. C. Price: J. Polymer Sci., 34, 153 (1959 2) G. Natta, G. Mazzanti, P. Corradini and I. W. Bassi: Makromol. Chemie, 37, 156 (1956 |
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| Snippet | Studies on the polymerization of acetaldehyde by the catalyst of aluminumtriethyl are reported. It was found that there were several remarkable differences... |
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| Subtitle | I |
| Title | Stereospecific Polymerization of Acetaldehyde |
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