Liquid Polybutadienes prepared by “Living Polymerization” Technique

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  • リビング重合による液状ポリブタジエン
  • リビング ジュウゴウ ニヨル エキジョウ ポリブタジエン

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Abstract

A series of butadiene oligomers consisting of liquid 1, 2-polybutadiene and deriving dicarboxylic acid and glycol having molecular weight of 1, 0004, 000 with narrow molecular weight distribution were commercialized by use of living polymerization technique. The process comprises intiation with sodium dispersion, living polymerization at low temperature and termination with proton, carbon dioxide or ethylene oxide. Continuous process is adopted for the commercial plant of which production capacity is 7, 200 tons/year.<BR>The products including their derivatives are used in wide range of application such as electrodeposition paint, emulsion paint; insulating varnish, casting resin, molding compound, adhesive, sealant and modifier for plastics.<BR>As an example of research and development of a new product prepared by a new process, the background of the research and the procedure of the development including application research works were mentioned.

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