C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/598
C08F 8/20 (2006.01)
Patent
CA 1259446
ABSTRACT Halogenated polyethylene resins and halogenated ethylene polymer resins having a reduced tendency to "block" are provided. The halogenated resins are prepared respectively from polyethylene and ethylene polymer starting materials which have a weight-based median particle size of from 160 to 600 microns and a weight-based particle size distribution such that more than 60 percent of the particles have a particle size of from 150 to 850 microns. The halogenated resins also have a weight-based median particle size of from 200 to 900 microns. The halogenated polyethylene resins have a chemically combined halogen content of from 26 to 42 weight percent whereas the halogenated ethylene polymer resins have a chemically combined ? (2) halogen content of from 15 to 28 weight percent. The halogenated ethylene polymer resins are prepared from ethylene polymer starting materials which have polymer- ized therein up to five weight percent of l-olefin monomer copolymerizable with ethylene.
496715
Jones Edward
Meiske Larry A.
Young Warren L.
Smart & Biggar
The Dow Chemical Company
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