초록 ▼

Process for manufacturing ethylene copolymers by polymerizing ethylene and a minor amount of C.sub.3 -C.sub.6 alphaolefins in particle form in slurry reactor in the presence of an ethylene polymerizing catalyst. According to the invention the polymerization is carried out in propane diluent by using

Process for manufacturing ethylene copolymers by polymerizing ethylene and a minor amount of C.sub.3 -C.sub.6 alphaolefins in particle form in slurry reactor in the presence of an ethylene polymerizing catalyst. According to the invention the polymerization is carried out in propane diluent by using a metallocene catalyst activated with an alumoxane compound.

대표청구항 ▼

[ We claim:] [1.] A process for manufacturing ethylene copolymers which comprises polymerizing ethylene and a minor amount of C.sub.3 -C.sub.6 alpha olefins in particle form in a slurry reactor in the presence of an ethylene polymerizing catalyst, wherein polymerizing is carried out in a propane dil

[ We claim:] [1.] A process for manufacturing ethylene copolymers which comprises polymerizing ethylene and a minor amount of C.sub.3 -C.sub.6 alpha olefins in particle form in a slurry reactor in the presence of an ethylene polymerizing catalyst, wherein polymerizing is carried out in a propane diluent containing ethylene, said C.sub.3 -C.sub.6 alpha olefin and optionally hydrogen, at a temperature above the critical temperature of the mixture, but below the softening temperature of the polymer and at a pressure above the critical pressure of the mixture and said catalyst is a metallocene catalyst activated with an alumoxane compound, said ethylene copolymers having a density of between 910-928 kg/m.sup.3.