作者: G.P. Guidetti , Patrizia Busi , I. Giulianelli , R. Zannetti
DOI: 10.1016/0014-3057(83)90144-1
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摘要: Abstract Correlations have been investigated between the content of short isotactic segments and thermal properties in some propylene/olefin random copolymers. Polypropylene copolymers modified by ethylene show variations different from those for butene. However, both cases, weldability temperature decreases on increasing comonomer concentration.