Isotactic-stereoblock polymers of alpha-olefins and process for producing the same
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United States of America Patent
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Jun 11, 1985
Grant Date -
N/A
app pub date -
Jun 6, 1983
filing date -
Jun 6, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Isotactic-stereoblock polypropylene comprising recurring polypropylene units, said isotactic-stereoblock polypropylene characterized by comprising alternating blocks of monomers having an average block length greater than 2 having methine carbons with the same relative configuration and wherein the methine carbon atoms in adjacent blocks are of opposite configuration.
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