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Dive into the research topics where Sandra Denise Schregenberger is active.

Publication


Featured researches published by Sandra Denise Schregenberger.


Journal of Molecular Catalysis A-chemical | 1997

Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers

Robert Ivan Mink; Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar; Grace Onkee Tsien

The interaction of silica, previously calcined at 600° C., with dibutylmagnesium (DBM), 1-butanol and titanium tetrachloride and a solution of methylalumoxane (MAO) and (BuCp)2 ZrCl2 provides a catalyst that, in the absence of a trialkylaluminum (AlR3) cocatalyst, produces polyethylene with a bimodal MWD.


Archive | 1994

Process for controlling the MWD of a broad/bimodal resin produced in a single reactor

Robert Ivan Mink; Thomas Edward Nowlin; Pradeep P. Shirodkar; Sandra Denise Schregenberger; Grace Onkee Tsien


Archive | 1995

Bimodal molecular weight distribution polyolefins

Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar; Grace Onkee Tsien


Archive | 1995

Single reactor bimodal HMW-HDPE film resin with improved bubble stability

Robert Ivan Mink; Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar; Grace Onkee Tsien


Archive | 1992

Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst

Ahmed Hussein Ali; John Tai-Tung Hsieh; Keith J. Kauffman; Yury V. Kissin; S. Christine Ong; Giyarpuram N. Prasad; Ann L. Pruden; Sandra Denise Schregenberger


Archive | 1997

Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution

Frederick Yip-Kwai Lo; Robert Ivan Mink; Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar


Archive | 1994

Catalyst composition for use in the polymerization and copolymerization of ethylene

Frederick Yip-Kwai Lo; Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar; Grace Onkee Tsien


Archive | 2002

Process for controlling the MWD of a broad or bimodal resin in a single reactor

Thomas Edward Nowlin; Sandra Denise Schregenberger; Pradeep P. Shirodkar; Grace Onkee Tsien


Archive | 2002

One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization

Robert Ivan Mink; Yury V. Kissin; Thomas Edward Nowlin; Pradeep P. Shirodkar; Grace Onkee Tsien; Sandra Denise Schregenberger


Archive | 1997

Comonomer pretreated bimetallic catalyst for blow molding and film applications

John Tai-Tung Hsieh; Sandra Denise Schregenberger

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