Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-01-09
1987-01-06
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 82, 526 83, 526 85, C08F 238
Patent
active
046347445
ABSTRACT:
An improved method of terminating ethylene polymerization and interpolymerization reactions by deactivating the Ziegler-type catalyst used in the reaction comprises the step of injecting a selected deactivating agent into the molten polymer solution in the polymerization reactor prior to degassing of the polymer solution.
The deactivating agent is selected from the group consisting of:
REFERENCES:
patent: Re29004 (1976-10-01), Cupples et al.
patent: 2985617 (1961-05-01), Salyer et al.
patent: 3009907 (1961-11-01), Mahlman et al.
patent: 3154529 (1964-10-01), Kobayashi et al.
patent: 3164578 (1965-01-01), Baker
patent: 3192192 (1965-06-01), Hartnett
patent: 3261900 (1966-07-01), Spillers
patent: 3265649 (1966-08-01), Faltings et al.
patent: 3356670 (1967-12-01), Rudner et al.
patent: 3393182 (1968-07-01), Trepka
patent: 3476698 (1969-11-01), Osterrieth et al.
patent: 3520866 (1970-07-01), Bacskai
patent: 3657114 (1972-04-01), Smith
patent: 3773743 (1973-11-01), Ainsworth, Jr. et al.
patent: 3876600 (1975-04-01), Cupples et al.
patent: 3888789 (1975-06-01), Dombro et al.
patent: 3944533 (1976-03-01), Beck et al.
patent: 3992322 (1976-11-01), Dombro et al.
patent: 4104247 (1978-08-01), Kato et al.
patent: 4105609 (1978-08-01), Machon et al.
patent: 4105647 (1978-08-01), O'Farrell et al.
patent: 4105842 (1978-08-01), Nicco et al.
patent: 4130699 (1978-12-01), Hoff et al.
patent: 4156075 (1979-05-01), Holliday et al.
patent: 4168356 (1979-09-01), Levresse et al.
patent: 4284762 (1981-08-01), Miyata et al.
patent: 4303766 (1981-12-01), O'Farrell et al.
patent: 4326048 (1982-04-01), Stevens et al.
patent: 4347353 (1982-08-01), Miyata et al.
patent: 4379882 (1983-04-01), Miyata
patent: 4425464 (1984-01-01), Allen et al.
patent: 4430488 (1984-02-01), Zboril
Miyata, in Clays and Clay Minerals, vol. 28, No. 1 at 50-56, (1980).
Chemical Abstracts 126830s, (1971).
Chemical Abstracts 85:143809m, (1976).
Chemical Abstract No. 96:36263j, (1982).
Dombro Robert A.
Hoff Raymond E.
Hwang Yu-Tang
Pebsworth Lloyd
Chemplex Company
Michl Paul R.
Walker Alex H.
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