Process for the preparation of polyethylenes

Details Process for the preparation of polyethylenes Process for the preparation of polyethylenes

1992-05-27

1993-12-07

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

585 18, 585502, 526 89, C08F 202, C08F 1002

Patent

active

052684407

ABSTRACT:
For the preparation of polyethylenes using a diphenyl ethane derivative as C-C labile polymerization initiator, 1 to 40 mole 3,4-dimethyl-3,4-diphenyl hexane, based on 1 million mole ethylene used, are polymerized at 260.degree. to 400.degree. C. at a pressure of 60,000 to 350,000 kgfa.

REFERENCES:
patent: 2897183 (1959-07-01), Christl et al.
patent: 3066115 (1962-11-01), Smith et al.
patent: 3142666 (1964-07-01), Sleek et al.
patent: 3377330 (1968-04-01), Mortimer
patent: 3557074 (1971-01-01), Buechner et al.
patent: 3691145 (1972-09-01), Gluth et al.
patent: 3835107 (1974-09-01), Stark et al.
patent: 4072811 (1978-02-01), Oosterwijk et al.
patent: 4219674 (1980-08-01), Wolfers et al.
Ralf et al., Crystalline Olefin Polymers, Part I, Interscience Publs. N.Y. (1965) pp. 312 and 319.
Loft et al., "Radical High Pressure Polymerization of Ethylene with stable . . . ", Angew. Mak. Chem., 160, 193-201 (1988).

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