Initiator/TiCl4 initiated cationic polymerization of pyrolysis gasoline distillate

Yang, Jing‐Hua; Cao, Z. B.; Qi, Yue

doi:10.1039/c4ra02945c

Cited by 5 publications

(10 citation statements)

References 17 publications

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“…НПС одержували іонною олігомеризацією вуглеводневих фракцій із використанням гомогенних і гетерогенних каталізаторів [7,8]. Відомими ініціаторами таких процесів є: ацилпероксиди, гідропероксиди, термостабільні алкілпероксиди, олігопероксиди [9], амінопероксиди [10] і кремній-органічні пероксиди [11].…”

Section: вступunclassified

C9 Fraction Oligomerization Initiated by N-Substituted Aromatic Aminoperoxides

Subtelnyi¹,

Kichura²,

Dzinyak³

2022

CTAS

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The production of oligomers (petroleum polymer resins) by oligomerization of the C9 fraction of liquid by-products of diesel fuel pyrolysis initiated by aromatic N-substituted aminoperoxide initiators was studied. The nature of the influence of thermodynamic parameters of initiator decomposition, their concentration and reaction temperature on yield and physicochemical characteristics of the obtained oligomers are clarified. The optimal technological parameters of the C9 fraction oligomerization process are selected. The approximate hydrocarbon composition of products representing styrene-cyclopentadiene cooligomers has been determined.

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Section: вступunclassified

C9 Fraction Oligomerization Initiated by N-Substituted Aromatic Aminoperoxides

Subtelnyi¹,

Kichura²,

Dzinyak³

2022

CTAS

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“…In order to improve the adhesion of hydrocarbon resins, the use of Friedel-Crafts catalysts, comprised of TiCl4, is proposed for processes of polymerizing petroleum cracking fractions with boiling temperatures of 140-280 °С, and the various dienophile modifications thereof [168]. Studies have found that the activity of mixed catalyst AlCl3-TiCl4 [169][170][171] is lower than the activity of AlCl3, but higher than that of TiCl4. When it comes to the cationic oligomerization of piperylene, titanium etherates also have low catalytic activity, which is markedly inferior to that of similar complexes AlCl3 [172].…”

Section: Catalytic Processes For Preparing Petroleum Resinsmentioning

confidence: 99%

Improving the efficiency of high-temperature processes for producing lower olefins via deep-processing of by-products

Bondaletova¹,

Bondaletov²

2016

REFFIT

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Processes for producing lower olefins are critically examined. It is noted that pyrolysis of various types of hydrocarbon isstill the main process of obtaining ethylene and propylene, and is accompanied by the formation of considerable amounts of by-products,such as liquid pyrolysis products. We present an analysis of domestic and foreign scientific, technical, and patent information pertaining to therational use of petrochemical production by-products, aimed at obtaining hydrocarbon (petroleum) resins. We consider the raw materialsinvolved in obtaining the resins, and generalize data on existing methods of obtaining resins using thermal, initiated, and ion (catalyst)polymerization.

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“…Normally, a Friedel-Crafts initiator, such as unsupported standard Lewis acids e.g., boron trifluoride (BF 3 ), complexes of boron trifluoride, aluminum trichloride alone, or in the form of a highly active complex was used to initiate the polymerization of such feed streams. [11][12][13] It has been shown in studies that the polymerization of such resin forming fractions using aluminum chloride as a catalyst produces an insoluble gel that precipitates in the polymerization reactor. 14,15 This thus reduces the yield of saleable hydrocarbon resin and adversely impacts the operation of the manufacturing unit.…”

Section: Introductionmentioning

confidence: 99%