polymerization has been used in high-pressure reactors to produce ethylene polymers and copolymers.
Borealis A/S of Denmark has licensed metallocene
PP catalyst technology from Novolen Technology Holdings C.V., a joint venture of ABB and Equistar that acquired PP polymerization technology from BASF's former Targor subsidiary.
The effect of molecular architecture on the dynamic viscoelastic properties of new metallocene
high density polyethylenes has been analyzed.
Three grades of isotactic polypropylene polymers based on its patented "Exxpol" metallocene
catalyst technology were commercialized recently by Exxon Chemical Company, Houston, TX.
ExxonMobil Chemical has expanded its portfolio of metallocene
polyethylene (mPE) resins with the introduction of Enable mPE 35-05 grade resin for tough, stiff, high-clarity films.
Nordel hydrocarbon rubber products are produced using the company's proprietary Insite metallocene
Idemitsu says its Xarec and Dow's Questra are "essentially identical." SPS is a clear, crystalline engineering thermoplastic made from ordinary styrene monomer with a metallocene
The development of metallocene
catalyst technology has lead during recent years to the synthesis of a rich set of new polyolefins of differing structure.
A joint research and development agreement has been signed between the "Exxpol" venture of chemical supplier Exxon Chemical, Houston, TX and Hoechst AG, Frankfurt, Germany, for the development of metallocene
catalysts, which are used to produce isotactic propylene-based polymers.
have produced branched polypropylenes with a metallocene
catalyst in a supercritical solvent below the melting point of the polymer.