Search Results - "Weng, Weiqing"

Characterization of nanoclay orientation in polymer nanocomposite film by small-angle X-ray scattering by Nawani, Pranav, Burger, Christian, Rong, Lixia, Chu, Benjamin, Hsiao, Benjamin S., Tsou, Andy H., Weng, Weiqing

“…The orientation distribution of layer-shaped nanoclays (e.g. organoclays and pristine clays) dispersed in a polymer matrix is an important parameter to control…”
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Long Chain Branched Isotactic Polypropylene by Weng, Weiqing, Hu, Weiguo, Dekmezian, Armenag H, Ruff, Charles J

“…Long chain branched isotactic polypropylene (LCB-PP) was synthesized using metallocene catalyst (rac-dimethylsilylbis(2-methyl-4-phenylindenyl)zirconium…”
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Shear-Induced Crystallization in Novel Long Chain Branched Polypropylenes by in Situ Rheo-SAXS and -WAXD by Agarwal, Pawan K, Somani, Rajesh H, Weng, Weiqing, Mehta, Aspy, Yang, Ling, Ran, Shaofeng, Liu, Lizhi, Hsiao, Benjamin S

“…The characteristic properties of a new class of long chain branched isotactic polypropylene (LCB-iPP) polymers and the effects of its molecular architecture on…”
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Synthesis of Long-Chain Branched Propylene Polymers via Macromonomer Incorporation by Weng, Weiqing, Markel, Eric J., Dekmezian, Armenag H.

“…Long‐chain branched (LCB) poly(propylene)s (PP) are synthesized by the incorporation of pre‐formed, vinyl‐terminated macromonomers using metallocene catalysts…”
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Synthesis of vinyl-terminated isotactic poly(propylene) by Weng, Weiqing, Markel, Eric J., Dekmezian, Armenag H.

“…Isotactic poly(propylene)s with 60–80% vinyl chain‐end selectivity were synthesized with metallocene catalysts. Some of these vinyl‐terminated poly(propylene)s…”
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Metallocene-Based Branch−Block Thermoplastic Elastomers by Markel, Eric J, Weng, Weiqing, Peacock, Andrew J, Dekmezian, Armenag H

“…Long chain branched (LCB) polyethylene block copolymers having thermoplastic elastomer character were made using mixed metallocene catalysts. Conceptually, the…”
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New families of coordinated carbon : oxidative coupling of an ethynyl complex to isolable and crystallographically characterized MC≡CC≡CM and +M=C=C=C=C=M+ assemblies by YUANLIN ZHOU, SEYLER, J. W, WEIQING WENG, ARIF, A. M, GLADYSZ, J. A

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Melt strength of blends of linear low density polyethylene and comb polymers by Dekmezian, Armenag H., Weng, Weiqing, Garcia-Franco, Cesar A., Markel, Eric J.

“…The melt strength of a metallocene linear low-density polyethylene (m-LLDPE) can be enhanced significantly by blending in less than 10wt% of long chain…”
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Characterization and Modeling of Metallocene-Based Branch−Block Copolymers by Dekmezian, Armenag H, Soares, Joao B. P, Jiang, Peijun, Garcia-Franco, Cesar A, Weng, Weiqing, Fruitwala, Hitesh, Sun, Thomas, Sarzotti, Deborah M

“…The nature of polyolefin branch−block copolymers produced using mixed-metallocene catalysts has been further characterized in an attempt to relate polymer…”
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An isolable organometallic cation radical in which a C4 chain conducts charge between two chiral and configurationally stable rhenium termini by Seyler, Jeffery W, Weng, Weiqing, Zhou, Yuanlin, Gladysz, J. A

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Electrophile-Induced Cyclizations of Chiral Rhenium Ethynyl and C2Li Complexes of the Formula (.eta.5-C5Me5)Re(NO)(PPh3)(C.tplbond.CX): Synthesis, Structure, and Reactivity of Unusual 1,3-Dimetalated Cyclic C4H3 and C4H4 Species by Weng, Weiqing, Bartik, Tamas, Johnson, Mitchell T, Arif, Atta M, Gladysz, J. A

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Deprotonation of rhenium terminal acetylide complexes of the formula (η5-C5R5)Re(NO)(PPh3)(C≡CH) : generation and reactivity of rhenium/lithium C2 complexes by RAMSDEN, J. A, WEIQING WENG, GLADYSZ, J. A

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New families of coordinated carbon: oxidative coupling of an ethynyl complex to isolable and crystallographically characterized MC.tplbond.CC.tplbond.CM and +M:C:C:C:C:M+ assemblies by Zhou, Yuanlin, Seyler, Jeffery W, Weng, Weiqing, Arif, Atta M, Gladysz, J. A

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Consanguineous Families of Coordinated Carbon:  A ReC4Re Assembly That Is Isolable in Three Oxidation States, Including Crystallographically Characterized ReC⋮CC⋮CRe and +ReCCCCRe+ Adducts and a Radical Cation in Which Charge Is Delocalized between Rhenium Termini by Brady, Monika, Weng, Weiqing, Zhou, Yuanlin, Seyler, Jeffery W, Amoroso, Angelo J, Arif, Atta M, Böhme, Marlis, Frenking, Gernot, Gladysz, J. A

“…Reaction of (η5-C5Me5)Re(NO)(PPh3)(C⋮CH) and Cu(OAc)2 (1.5 equiv, 80 °C, pyridine) gives the orange-brown ReC4Re complex…”
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A versatile new route to carbon complexes of the formula LnMC.tplbond.CM'L'n': deprotonation and metalation of the terminal acetylide complex (.eta.5-C5Me5)Re(NO)(PPh3)(C.tplbond.CH) by Ramsden, James A, Weng, Weiqing, Arif, Atta M, Gladysz, J. A

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New Forms of Coordinated Carbon:  Wirelike Cumulenic C3 and C5 sp Carbon Chains that Span Two Different Transition Metals and Mediate Charge Transfer by Bartik, Tamás, Weng, Weiqing, Ramsden, James A, Szafert, Slawomir, Falloon, Stephen B, Arif, Atta M, Gladysz, J. A

“…Reactions of (η5-C5Me5)Re(NO)(PPh3)(C⋮CLi) with W(CO)6, Fe(CO)5, or Mn(CO)3(η5-C5H n Cl 5-n ), followed by Me3O+ BF4 -, give the heterobimetallic C3OMe…”
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Synthesis, Structure, and Redox Chemistry of Heteropolymetallic Carbon Complexes with MC2M', MC4M', and MC4M'C4M Linkages. Transmetalations of Lithiocarbon Complexes (.eta.5-C5Me5)Re(NO)(PPh3)(C.tplbond.CLi) and (.eta.5-C5Me5)Re(NO)(PPh3)(C.tplbond.CC.tplbond.CLi) by Weng, Weiqing, Bartik, Tamas, Brady, Monika, Bartik, Berit, Ramsden, James A, Arif, Atta M, Gladysz, J. A

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New Forms of Coordinated Carbon:  Wirelike Cumulenic C 3 and C 5 sp Carbon Chains that Span Two Different Transition Metals and Mediate Charge Transfer by Bartik, Tamás, Weng, Weiqing, Ramsden, James A., Szafert, Slawomir, Falloon, Stephen B., Arif, Atta M., Gladysz, J. A.

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Synthesis, Structure, and Reactivity of Polymetallic C3OMe Complexes of the Formula (η5-C5Me5)Re(NO)(PPh3)(C⋮CC(OMe))Mm(CO)n (M/m/n = Re/2/9, Os/3/11):  A New Form of Coordinated Carbon in Which a C3 Chain Links Two Metals and Spans a Third by FALLOON, Stephen B., WENG, Weiqing, ARIF, Atta M., GLADYSZ, J. A.

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Synthesis, Structure, and Reactivity of Polymetallic C 3 OMe Complexes of the Formula (η 5 -C 5 Me 5 )Re(NO)(PPh 3 )(C⋮CC(OMe))M m (CO) n (M/ m / n = Re/2/9, Os/3/11):  A New Form of Coordinated Carbon in Which a C 3 Chain Links Two Metals and Spans a Third by Falloon, Stephen B., Weng, Weiqing, Arif, Atta M., Gladysz, J. A.

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