Results 11 to 20 of about 19,854 (229)

Nickel Phosphine Complexes: Synthesis, Characterization, and Behavior in the Polymerization of 1,3-Butadiene. [PDF]

open access: yesMolecules
Several nickel dichloride phosphine complexes have been synthesized, their crystalline structure determined, and their behavior, in combination with methylaluminoxane, in the polymerization of butadiene has been examined.
Guelfi M   +7 more
europepmc   +2 more sources

Effect of cis-1,4-polybutadiene rubber amount on properties of functionalized solution polymerized styrene-butadiene rubber/cis-1,4-polybutadiene rubber blends

open access: yesHecheng xiangjiao gongye, 2022
The effects of amount of cis-1,4-polybutadiene rubber on curing characteristics, processing properties, physical and mechanical properties and dynamic mechanical properties of cis-1,4-polybutadiene rubber/functionalized solution polymerized styrene ...
MO Yun-juan, YANG Guang-ming, YANG Gang, LI Yuan
doaj   +1 more source

From waste rubber to value polybutadiene modification for circular materials. [PDF]

open access: yesNat Commun
Synthetic rubber waste poses a growing environmental challenge due to its cross-linked, non-recyclable nature. This Perspective examines emerging post-polymerization modification strategies for linear polybutadiene and vulcanized rubber, spanning ...
Jeschke J, Mutlu H.
europepmc   +2 more sources

Ladder-like Poly(methacryloxypropyl) silsesquioxane-Al2O3-polybutadiene Flexible Nanocomposites with High Thermal Conductivity

open access: yesGels, 2023
Ladder-like poly(methacryloxypropyl)-silsesquioxanes (LPMASQ) are photocurable Si-based gels characterized by a double-stranded structure that ensures superior thermal stability and mechanical properties than common organic polymers.
Pietro Mingarelli   +7 more
doaj   +1 more source

Microstructural Investigation and MolecularWeight Determination of 1, 2-Polybutadiene by Nuclear Magnetic Resonance Spectroscopy [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
In this research, the microstructural of low molecular weight 1,2-polybutadiene (1,2-PBD) was conducted by 1H and 13C nuclear magnetic resonance spectroscopy (NMR) to determine the isomeric contents of 1,4-cis, 1,4-trans and 1,2-vinyl in 1,2-PBD polymer ...
Farshid Ziaee
doaj   +1 more source

Characterization and Thermal Rearrangement Investigation of 1,4-Polybutadiene by Nuclear Magnetic Resonance Spectroscopy [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2009
Microstructural investigation of low molecular weight 1,4-polybutadiene (1,4-PBD) was studied by 1H and 13C nuclear magnetic resonance spectroscopy (NMR).
F. Ziaee
doaj   +1 more source

Influence of number of catalyst sites in 1,3‐butadiene solution polymerizations catalyzed by titanium tetrachloride

open access: yesEngineering Reports, 2021
The synthetic rubber industry is of great importance and it is present in the daily life of world society. Butadiene rubber or polybutadiene is one of the most used polymers in this field, mainly in tire production.
Francisco R. L. Farias   +2 more
doaj   +1 more source

Block copolymer binders with hard and soft segments for scalable fabrication of sulfide‐based all‐solid‐state batteries

open access: yesEcoMat, 2022
Sulfide‐based all‐solid‐state batteries (ASSBs) have attracted much attention owing to their superior safety and potentially high‐energy density. Nevertheless, sulfide‐based ASSBs suffer from limited performance in terms of their cycle life and rate ...
Jieun Lee, Jang Wook Choi
doaj   +1 more source

Recent advances in the polymerization of butadiene over the last decade [PDF]

open access: yesPolyolefins Journal, 1999
The stereospecific polymerization of conjugated dienes began in 1954 with the first catalysts obtained by combining TiCl4 or TiCl3 with aluminum-alkyls, i.e.
Giovanni Ricci, Giuseppe Leone
doaj   +1 more source

Sample Thickness and Structural Changes in Thermo-Oxidative Degradation of Polybutadiene [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2012
The thermo-oxidative degradation of two viscous liquid resins of 1,2- poly-butadiene  (1,2-PBD) and 1,4- polybutadiene  (1,4-PBD) have been studied by differential scanning calorimetry (DSC) and thermogravimetry analy-sis  (TGA). To  study  further,  the 
farshid Ziaee, Aida Shoushtari-Zade
doaj   +1 more source

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