Search Results - "McDaniel, Max P."

Alternative View of Long Chain Branch Formation by Metallocene Catalysts by Yang, Qing, Jensen, Michael D, McDaniel, Max P

“…The widely accepted mechanism of long chain branch (LCB) formation, i.e. random macromer incorporation, conflicts with many of the experimental trends observed…”
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A Review of the Phillips Supported Chromium Catalyst and Its Commercial Use for Ethylene Polymerization by McDaniel, Max P.

“…The Phillips supported chromium catalyst is used to produce some 40–50% of the world's high-density polyethylene. The chemistry of this important catalyst is…”
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Kinetics of Long-Chain Branch Formation in Polyethylene by Jensen, Michael D, Yang, Qing, Yu, Youlu, McDaniel, Max P

“…Long-chain branch (LCB) formation was measured in polyethylene homopolymers and 1-hexene–ethylene copolymers made using a variety of metallocene and chromium…”
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Reinforcement of Cr/silica catalysts by secondary deposition of silicate oligomers by McDaniel, Max P., Kelly, Steve L.

“…[Display omitted] •A new method of reinforcing the silica matrix of Cr/silica polymerization catalysts is introduced, and the effect on catalyst activity and…”
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Products of the initial reduction of the Phillips catalyst by olefins by Joseph, Jincy, Potter, Kelsey C., Wulfers, Matthew J., Schwerdtfeger, Eric, McDaniel, Max P., Jentoft, Friederike C.

“…[Display omitted] •Organic products of reduction of Cr(VI)/SiO2 with olefins identified.•Oxygenates such as aldehydes and carboxylates adhere strongly to…”
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Reduction of the Phillips catalyst by various olefins: Stoichiometry, thermochemistry, reaction products and polymerization activity by Potter, Kelsey C., Beckerle, Connor W., Jentoft, Friederike C., Schwerdtfeger, Eric, McDaniel, Max P.

“…[Display omitted] •Cr(VI)/SiO2 reduced by ethylene and hexenes.•Olefin oxidation products are retained on the surface of Cr/SiO2.•Thermal decomposition…”
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Ethylene polymerization by Cr(III) salts on acidic carriers by McDaniel, Max P., Clear, Kathy S.

“…[Display omitted] •Cr(III) compounds can be activated for ethylene polymerization by acidic carriers.•Such Cr(III) catalysts do not pass through the…”
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Influence of porosity on PE molecular weight from the Phillips Cr/silica catalyst by McDaniel, Max P.

“…The porosity of Phillips Cr/silica catalysts plays a major role in determining the molecular weight (MW) and molecular weight distribution obtained during…”
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Long-chain branching in PE from Cr/aluminophosphate catalysts by DesLauriers, Paul J., Tso, Chung, Yu, Youlu, Rohlfing, David L., McDaniel, Max P.

“…[Display omitted] ▶ Phosphate-treated Cr/alumina catalysts produce HDPE in which the long chain branching is concentrated into the low MW. ▶ This finding…”
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Silica supported single-walled carbon nanotubes as a modifier in polyethylene composites by McDaniel, Neal D, McDaniel, Max P, Balzano, Leandro, Resasco, Daniel E

“…Composites have been made from single-wall carbon nanotubes in a polyethylene (PE) matrix, in which different methods of preparation were used to disperse the…”
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A comparative study of multimodal vs. bimodal polyethylene pipe resins for PE-100 applications by DesLauriers, Paul J., McDaniel, Max P., Rohlfing, David C., Krishnaswamy, Rajendra K., Secora, Steven J., Benham, Elizabeth A., Maeger, Pamela L., Wolfe, A.R., Sukhadia, Ashish M., Beaulieu, Bill B.

“…In this paper several high density polyethylene pipe resins are compared to polyethylene resins made in the Phillips Loop‐Slurry Process (single‐reactor),…”
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Short chain branching profiles in polyethylene from the Phillips Cr/silica catalyst by DesLauriers, Paul J., McDaniel, Max P.

“…SEC and on‐line Fourier transform infrared spectroscopy analysis have been combined to study branching profiles from the Phillips Cr/silica catalyst. For the…”
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Initiation of the Phillips Cr(VI) Catalyst by Alkenes by Monwar, Masud M., Barr, Jared L., Clear, Kathy S., Cruz, Carlos A., Refvik, Mitchell, McDaniel, Max P.

“…As part of a continuing effort to better understand the initiation (i.e., the reduction and self-alkylation) of the Phillips commercial Cr­(VI)/silica…”
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Controlling polymer properties with the Phillips chromium catalysts by McDaniel, Max P

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Infrared spectrometric determination of catalysts used in the production of high-density polyethylene by Battiste, David R, Butler, James P, Cross, Joe B, McDaniel, Max P

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5599887 Chromium catalyst compositions and ethylene polymerization processes therewith by Badley, Rickey D, Rollmann, Kent W, McDaniel, Max P

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