The study of bitumen by differential scanning calorimetry: The interpretation of thermal effects

被引：13
|
作者：
Frolov, Igor N. [1 ]
Okhotnikova, Ekaterina S. [2 ]
Ziganshin, Marat A. [3 ]
Yusupova, Tatyana N. [2 ]
Firsin, Alexey A. [1 ]
机构：
[1] KNRTU, Dept Chem Technol Petr & Gas Proc, 68 Karl Marx St, Kazan 420015, Republic Of Tat, Russia
[2] Russian Acad Sci, Lab Chem & Geochem Oil, AE Arbuzov Inst Organ & Phys Chem, Subdiv Fed State Budgetary Inst Sci,Kazan Sci Ctr, Kazan, Russia
[3] KFU, Dept Phys Chem, Kazan, Russia
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2019年 / 37卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
aromatics; asphaltenes; bitumen; resins; saturates; temperature-modulated DSC; CRYSTALLIZATION; MICROSTRUCTURE; MECHANISMS; FRACTIONS;
D O I：
10.1080/10916466.2018.1550499
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
By the method of temperature-modulated differential scanning calorimetry it`s carried out the study of the microstructure of petroleum bitumen and its fractions (macro- and microcrystalline paraffins, mono-, bi-, poly cycloaromatic hydrocarbons, asphaltenes, nonpolar and polar resins). The method makes it possible to separate order-disorder transition from glass transition and to identify phase transitions invisible or overlapping on the curves of conventional DSC. The thermal effects of glass transition, cold crystallization and recrystallization, melting of crystalline structures, isotropization and disordering of mesophases were identified on the thermograms of bitumen and its fractions.
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页码：417 / 424
页数：8
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