Results 1 to 10 of about 92,741 (205)
Molecules, 2023 The direct selective conversion of ethanol to butadiene (ETB) is a competitive and environmentally friendly process compared to the traditional crude cracking route. The acid–base properties of catalysts are crucial for the direct ETB process. Herein, we
Na Liu +8 more
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Royal Society Open Science, 2023 A series of styrene-butadiene di-block copolymers with high cis-1,4 unit content (greater than 92%) polybutadiene (PB) and isotactic-rich polystyrene (PS) (mmmm > 65%) was synthesized using α-diimine nickel catalysts (Ni-diimine).
Nan Zheng +5 more
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Research progress in catalytic system of ethylene/conjugated diene copolymerization
Hecheng xiangjiao gongye, 2023 The copolymerization techniques of ethylene and conjugated diene, such as butadiene and isoprene, were summarized. The structure and performance characteristics of polymers obtained from different catalytic systems were reviewed with 26 references.
SHEN He-yu1,2, LI Mei1, XU Jin-guo1, LIANG Sheng-biao1, TAO Jie1, HAO Xing-tian1
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Kinetic study of HTPB (Hydroxyl Terminated Polybutadiene) Synthesis Using Infrared Spectroscopy
Indonesian Journal of Chemistry, 2020 A kinetic study of HTPB synthesis by radical polymerization of butadiene with hydrogen peroxide initiator was conducted using infrared spectroscopy. HTPB conversion was determined based on the conjunction termination rate constant, and all polymerization
Heri Budi Wibowo +3 more
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Aggregate, 2023 The efficient separation of butadiene (1,3‐C4H6) from C4 hydrocarbons is a critical step in petrochemical processes. However, the traditional cryogenic distillation suffers from energy‐intensity and serious environmental stress, necessitating the ...
Xixi Cen +4 more
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Butadiene or styrene or butadiene and styrene or else? [PDF]
Occupational and Environmental Medicine, 2006 Commentary on the paper by Sathiakumar et al ( Occup Environ Med , December 2005)* In the December 2005 issue of this journal, Sathiakumar and colleagues1 report on the extended follow up of the University of Alabama cohort in the styrene–butadiene–rubber industry.
K, Straif, R, Baan, V, Cogliano
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Recent advances in the polymerization of butadiene over the last decade [PDF]
Polyolefins 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
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Hecheng xiangjiao gongye, 2022 Three kinds of nitrile rubber (NBR) models (A, B and C model) with different butadiene bon-ding structures were simulated by molecular dynamics simulation to investigate the effect of butadiene microstructure on the physical and mechanical properties of ...
YUAN Quan1; LI Yun-long2; WANG Shi-jie1; CUI Jian-zheng1; HE En-qiu1
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A novel synthetic strategy for styrene–butadiene–styrene tri-block copolymer with high cis-1,4 units via changing catalytic active centres [PDF]
Royal Society Open Science, 2019 A styrene–butadiene–styrene tri-block copolymer (SBS) with a high cis-1,4 unit content (greater than 97%) was synthesized by a novel synthetic strategy based on changing the catalytic active centres using n-butyllithium and a nickel-based catalyst ...
Jie Liu +6 more
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Source Contribution of 1,3 Butadiene in the Vicinity of Petrochemical Industrial Area
Applied Environmental Research, 2021 Emissions and ambient concentrations of 1,3 butadiene released from the synthetic rubber industries in the largest petroleum and petrochemical complex in Thailand were evaluated in this study. The industrial emissions in this analysis were those emitted
Nuttakit Sukjit +5 more
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