Preparation of polyethylene

Details Preparation of polyethylene Preparation of polyethylene

2005-01-18

2005-01-18

Choi, Ling-Siu (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S064000, C526S352000

Reexamination Certificate

active

06844408

ABSTRACT:
Ethylene homopolymers and copolymers are prepared in a tube reactor at from 160° C. to 350° C. and pressures in the range from 500 to 5000 bar, with or without use of molar mass regulators, using a peroxide mixture comprising from 1 to 95 mol %, based on the total amount of the peroxide mixture, of at least one cyclic peroxide of the formula I,where the radicals R are identical or different and are selected from among alkyl groups and aryl groups, as polymerization initiator.

REFERENCES:
patent: 4135044 (1979-01-01), Beals
patent: 4175169 (1979-11-01), Beals et al.
patent: 5376739 (1994-12-01), Pfleger et al.
patent: 5907022 (1999-05-01), Stigter et al.
patent: 0 121 755 (1984-10-01), None
patent: 0 573 870 (1993-12-01), None
patent: 0 813 550 (1997-12-01), None
patent: WO 0001740 (2000-01-01), None

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