Process for the polymerization of olefins

Details Process for the polymerization of olefins Process for the polymerization of olefins

2005-04-12

2005-04-12

Harlan, Robert D. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S134000, C526S160000, C526S161000, C526S943000, C526S157000, C556S027000, C556S053000, C502S152000, C502S155000, C502S117000

Reexamination Certificate

active

06878786

ABSTRACT:
Process for the polymerization of olefins comprising contacting olefins under polymerization conditions in the presence of a catalyst system comprising the product obtained by contacting:(A) at least one transition metal organometallic compound, pyrolidyl bis(η-cyclopentadienyl)methylzirconium being excluded, and(B) an organometallic compound obtained by contacting:(a) a Lewis base having formula (I): wherein Ra, Rb, Rcand Rd, equal to or different from each other, are selected from the group consisting of hydrogen, halogen, linear or branched, saturated or unsaturated, C1-C10alkyl, C6-C20aryl, C7-C20arylalkyl and C7-C20alkylaryl groups; withb) a Lewis acid of formula (II)in-line-formulae description="In-line Formulae" end="lead"?MtR13  (II)in-line-formulae description="In-line Formulae" end="tail"? wherein Mt is a metal belonging to Group 13 of the Periodic Table of the Elements; R1, equal to or different from each other, are selected from the group consisting of halogen, halogenated C6-C20aryl and halogenated C7-C20alkylaryl groups; and(C) optionally an alkylating agent.

REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5324800 (1994-06-01), Welborn, Jr. et al.
patent: 5556928 (1996-09-01), Devore et al.
patent: 6232260 (2001-05-01), Nagy et al.
patent: 0129368 (1984-12-01), None
patent: 0416815 (1991-03-01), None
patent: 0420436 (1991-04-01), None
patent: 0485820 (1992-05-01), None
patent: 0485822 (1992-05-01), None
patent: 0485823 (1992-05-01), None
patent: 0643066 (1995-03-01), None
patent: 0671404 (1995-09-01), None
patent: 9623010 (1906-08-01), None
patent: 9102012 (1991-02-01), None
patent: 9104257 (1991-04-01), None
patent: 9622995 (1996-08-01), None
patent: 9627439 (1996-09-01), None
patent: 9702298 (1997-01-01), None
patent: 9822486 (1998-05-01), None
patent: 9840374 (1998-09-01), None
patent: 9921899 (1999-05-01), None
patent: 9924446 (1999-05-01), None
patent: 9958539 (1999-11-01), None
patent: 9964476 (1999-12-01), None
B. Temme et al.,Journal of Organometallic Chemistry, 488: 177-182 (1995).
M. Brookhart et al.,J. Am. Chem. Soc., 120: 4049-4050 (1998).
M. Brookhart et al.,J. Am. Chem. Soc., 117: 6414-6415 (1995).
M. Brookhart et al.,J. Am. Chem. Soc., 118: 267-268 (1996).
V. Gibson et al.,Chem. Commun., 849-851 (1998).
F. Jager et al.,Chem. Ber./Recueil., 130 (3), p. 399-403 (1997).
C. Carman et al.,Macromolecules, 10: 536-544 (1977).
J. Randall,Macromol. Chem. Phys., C29: 201-317 (1989).
I. Tritto et al.,Macromolecules, 28: 3342-3350 (1995).
M. Kakugo et al.,Macromolecules, 15: 1150-1152 (1982).
B. Temme et al.,J. of Organometallic Chemistry, 488:177-182 (1995).
D. Röttger et al.,J. of Organometallic Chemistry, 518: 17-19 (1996).
R. LaPointe et al., “New Family of Weakly Coordinating Anions;”J. Am. Chem. Soc., vol. 122, pp. 9560-9561 (2000).
G. Kehr et al., “Protonation of the Heterocyclic Cp-Anion Equivalent [Pyrrolyl-B(C6F5)3]Li-Formation of a Useful Neutral Brønsted Acid for the . . . ;”Eur. J. Inorg. Chem., pp. 535-538 (2001).
R. LaPointe et al., “New Family of Weakly Coordinating Anions;” Supporting Information; http://pubs.acs.org.

Affiliated with

Also associated with

Rating

Process for the polymerization of olefins does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the polymerization of olefins, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the polymerization of olefins will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3402502