Ring-opening Ziegler olefin polymerization catalysts and polymer

Details Ring-opening Ziegler olefin polymerization catalysts and polymer Ring-opening Ziegler olefin polymerization catalysts and polymer

1993-10-14

1995-03-07

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526134, 526160, 526170, 526310, 526346, 5263471, 5263481, C08F 3204, C08F 464, C08G 6106

Patent

active

053959060

ABSTRACT:
The regiospecific (1,2-Me.sub.2 C.sub.5 H.sub.3).sub.2 ZrMe.sup.+ MeB(C.sub.6 F.sub.5).sub.3 - mediated ring-opening polymerization of methylenecyclobutane and its copolymerization with ethylene to polyolefins of microstructure --{CH.sub.2 CH.sub.2 CH.sub.2 C(CH.sub.2)]--.sub.n and {--[CH.sub.2 CHR]--.sub.x [CH.sub.2 CH.sub.2 CH.sub.2 C(CH.sub.2)]--.sub.y }.sub.n, respectively is disclosed.

REFERENCES:
R. Rossi et al. "On the Ring Opening Polymerization of Methylenecyclobutane", Macromolecules, 5(3), 247-9, 1972.
"Polymerisation du Methylenecyclobutane Obtention de L'Isocautchone," Pinazzi, P. et al., Die Makromolekulare Chemie, 147 (1971), pp. 15-33.
"Radical Polymerization of 3-Substituted-1-Methylenecyclobutanes," Hiraguri, Y. et al., Journal of Polymer Science: Part C: Polymer Letters, vol. 26, (1988), pp. 381-384.
"L'Isocautchone, Etude des parametres de cyclisation et d'Isomerisation": Pinazzi, et al., Die Makromolekulare Chemie, 148 (1971), pp. 81-92.
"Polymerization of Methylenecyclobutane, Synthesis of an Isopolyisoprene," Pinazzi, P. et al., Die Makromolekulare Chemie, 122 (1969), pp. 105-122.
"Vinylpolymerisation", Takemoto, K., et al., Die Makromolekulare Chemie, 109 (1967), pp. 81-86.
"On The Ring-Opening Polymerization of Methylenecyclobutane", Rosse, R. et al., vol. 5, No. 3, May-Jun. 1972, pp. 247-249.

Affiliated with

Also associated with

Rating

Ring-opening Ziegler olefin polymerization catalysts and polymer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ring-opening Ziegler olefin polymerization catalysts and polymer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ring-opening Ziegler olefin polymerization catalysts and polymer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1406716