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PROCÉDÉ DE PRODUCTION D'UN COPOLYMÈRE STATISTIQUE CONTENANT UN MOTIF MONOMÈRE CHLOROPRÈNE ET UN MOTIF MONOMÈRE NITRILE INSATURÉ, COPOLYMÈRE STATISTIQUE, LATEX ET UTILISATION DE CE DERNIER
PROCÉDÉ DE PRODUCTION D'UN COPOLYMÈRE STATISTIQUE CONTENANT UN MOTIF MONOMÈRE CHLOROPRÈNE ET UN MOTIF MONOMÈRE NITRILE INSATURÉ, COPOLYMÈRE STATISTIQUE, LATEX ET UTILISATION DE CE DERNIER
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摘要
To provide a statistical copolymer containing a chloroprene monomer unit and an unsaturated nitrile monomer unit which has a satisfactory oil resistance. A method for producing a statistical copolymer containing a chloroprene monomer unit and an unsaturated nitrile monomer unit comprising a step for conducting continuous addition or 10 cycles or more of intermittent portionwise addition of the chloroprene monomer after initiation of a polymerization reaction is provided. A rubber composition using a statistical copolymer according to the invention or a vulcanized molded article containing said rubber composition is excellent in terms of oil resistance, mechanical strength, compression set at a low temperature and flex fatigue resistance.
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