Chlorinated ethylene copolymer resins
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United States of America Patent
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Mar 24, 1987
Grant Date -
N/A
app pub date -
Apr 3, 1985
filing date -
Apr 6, 1984
priority date (Note) -
Expired
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Abstract
A chlorinated ethylene copolymer resin having a chlorine content of 5-50% by weight obtained by chlorinating an ethylene copolymer resin by the aqueous suspension method at a temperature of 100.degree. C. or higher in at least one chlorination stage, said copolymer resin being obtained by copolymerizing ethylene and as at least one comonomer 0.02-2.0 mol % of a nonconjugated diene using a polymerization catalyst comprising a solid catalytic component containing at least magnesium and titanium and an organic aluminum compound and having a maximum peak temperature according to the differential scanning calorimetry (DSC) of 100.degree. C. or higher.
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