نتایج جستجو برای: stereospecific polymerization

تعداد نتایج: 32101  

Journal: :polyolefins journal 1999
giovanni ricci giuseppe leone

the stereospecific polymerization of conjugated dienes began in 1954 with the first catalysts obtained by combining ticl4 or ticl3 with aluminum-alkyls, i.e. the catalytic systems previously employed for ethylene and propylene polymerizations. subsequently, many other catalytic systems were obtained and examined by a combination of transition metal or lanthanide compounds with appropriate alkyl...

Journal: Polyolefins Journal 1999

The stereospecific polymerization of conjugated dienes began in 1954 with the first catalysts obtained by combining TiCl4 or TiCl3 with aluminum-alkyls, i.e. the catalytic systems previously employed for ethylene and propylene polymerizations. Subsequently, many other catalytic systems were obtained and examined by a combination of transition metal or lanthanide compounds with appropriate alkyl...

Journal: :Journal of Polymer Science 1961

Journal: :The Journal of the Society of Chemical Industry, Japan 1965

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