Polymerization process

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Effecting a change in a polymerization process in response...

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526139, 526140, 526141, 526142, 526159, 526164, 526169, 526351, 526901, 526903, 526904, 526905, C08F 234, C08F 460, C08F 1000

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040656098

ABSTRACT:
Polymerization of a mono-.alpha.-olefine monomer is effected by contacting the gaseous monomer with a solid phase comprising polymer and catalyst at a pressure and temperature which are such that the temperature is in the range from tp + 0.1.degree. C up to tp + 5.0.degree. C, where tp is the temperature at which the monomer condenses at a pressure which is equal to the monomer partial pressure within the polymerization vessel.

REFERENCES:
patent: 3350376 (1967-10-01), Wisseroth et al.
patent: 3652527 (1972-03-01), Trieschmann et al.
patent: 3940345 (1976-02-01), Caunt
patent: 3969333 (1976-07-01), Nickl et al.
patent: 3972866 (1976-08-01), Fortuin et al.
patent: 3990994 (1976-11-01), Appleyard et al.

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