FIELD: chemistry.
SUBSTANCE: radiation-exposed polibuten-1 is made by exposing butene-1 homopolymer to high-energy ionising radiation. Radiation-exposed polybutene-1 provides excellent nucleation in unirradiated polybutene-1 substances, thereby accelerating their crystallisation.
EFFECT: high melt strength and softness, maintained or improved viscosity.
8 cl, 2 tbl, 17 ex
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