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still for the copolymerisation of acrylonitrile with butadiene, in aqueous emulsion, in which 85 to 98 by weight acrylonitrile and 15 - 2 by weight of butadiene polymerise said butadiene, fremst in angfasen, always exists.
still for the copolymerisation of acrylonitrile with butadiene, in aqueous emulsion, in which 85 to 98 by weight acrylonitrile and 15 - 2 by weight of butadiene polymerise said butadiene, fremst in angfasen, always exists.
Thermoplastic polymers having high heat-distortion temperatures and low permeability to gases and vapors are prepared by copolymerizing in a specified manner an olefinic nitrile, such as acrylonitrile, with a small amount of a conjugated diene, such as butadiene.
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