Results 61 to 70 of about 651 (134)

Polimerização 1,4 - cis de butadieno com o sistema catalítico tetracloreto de titânio/triisobutilalumínio/iodo 1,4 cis-Polymerization of butadiene by the catalyst system titanium tetrachloride/triisobutylaluminium/iodine

Polímeros, 2000
Foi utilizado o sistema catalítico tipo Ziegler-Natta modificado, constituído por TiCl4/I2/Al(i-Bu)3 para a síntese de polibutadieno com alto teor de unidades 1,4-cis.
Neusa M. T. Pires, Marcos A. S. Costa, Fernanda M. B. Coutinho   +2 more
doaj   +1 more source

Evaluation of the Reactivity of Methanol and Hydrogen Sulfide Residues with the Ziegler-Natta Catalyst during Polypropylene Synthesis and Its Effects on Polymer Properties. [PDF]

Polymers (Basel), 2023
Hernández-Fernández J, González-Cuello R, Ortega-Toro R.   +2 more
europepmc   +1 more source

Experimental-Density Functional Theory (DFT) Study of the Inhibitory Effect of Furan Residues in the Ziegler-Natta Catalyst during Polypropylene Synthesis. [PDF]

Int J Mol Sci, 2023
Hernández-Fernández J, Puello-Polo E, Marquez E.   +2 more
europepmc   +1 more source

Impact of Traces of Hydrogen Sulfide on the Efficiency of Ziegler-Natta Catalyst on the Final Properties of Polypropylene. [PDF]

Polymers (Basel), 2022
Hernández-Fernández J, Cano H, Aldas M.   +2 more
europepmc   +1 more source

Theoretical-Experimental Study of the Action of Trace Amounts of Formaldehyde, Propionaldehyde, and Butyraldehyde as Inhibitors of the Ziegler-Natta Catalyst and the Synthesis of an Ethylene-Propylene Copolymer. [PDF]

Polymers (Basel), 2023
Hernández-Fernández J, Ortega-Toro R, Castro-Suarez JR.   +2 more
europepmc   +1 more source

Ultra-high molecular weight polyethylene synthesis using externally modified Si-Mg-Ti based Z-N catalyst system [PDF]

Polyolefins Journal
Ultra-high molecular weight polyethylene (UHMWPE) was synthesized using Bi-supported SiO2/MgCl2/TiCl4 (Si-Mg-Ti) Ziegler-Natta catalyst in conjugation with triethyl aluminum (TEA).
Hiren Bhajiwala, Virendrakumar Gupta
doaj   +1 more source

Coordination copolymerization monitoring of ethylene and alfa-olefins by in-line Raman spectroscopy. [PDF]

RSC Adv, 2022
Comparán-Padilla VE, García-Zamora M, Infante-Martínez R, Díaz JA, Villarreal-Cárdenas L, Rodríguez-Hernández MT, Pérez-Camacho O.   +6 more
europepmc   +1 more source

Ziegler–Natta Catalysts: Applications in Modern Polymer Science

SynOpen, 2023
Keshav Taruneshwar Jha, Abhimannu Shome, Pooja A Chawla   +2 more
doaj   +1 more source

Engineering Nascent Disentangled Ultra-High-Molecular-Weight Polyethylene Based on Heterogeneous Catalytic Polymerization

Organics
Ultra-high-molecular-weight polyethylene (UHMWPE) is a pivotal material in engineering and biomedical applications due to its exceptional mechanical strength, wear resistance, and impact performance.
Lei Li
doaj   +1 more source

Uma revisão sobre polimerização de olefinas usando catalisadores Ziegler-Natta heterogêneos A survey on olefins polymerization using heterogeneous Ziegler-Natta catalysts

Polímeros, 2011
A produção em larga escala de materiais poliméricos de elevado interesse industrial, provenientes da polimerização estereoespecífica de olefinas, tornou-se possível depois do advento dos catalisadores Ziegler-Natta.
Fabricio Machado, José Carlos Pinto
doaj