1、Rheological properties of C9 petroleum resin solutions
PDF | This paper investigates the rheological properties of C9 petroleum resin solutions, synthesized through different oligomerization methods.
2、Diffusion Properties of C9 Petroleum Resin in Porous γ
Molecular dynamics simulations were further employed to evaluate the diffusion behavior of C9 petroleum resin within the generated γ-Al 2 O 3. The effects of temperature, the kinetic diameter of C9 petroleum resin, pore size, and pore window size of γ-Al 2 O 3 on diffusion performance were examined.
3、New advances in catalysts for C9 petroleum resin hydrogenation
Abstract C9 petroleum resin is a thermoplastic polymer produced by polymerization of C9 fraction obtaining from the steam cracking unit, and could be catalytic hydrogenated to remove the ethylenic C=C bond, aromatic ring with improved physical properties.
4、Modification mechanism of C9 petroleum resin and its influence on SBS
In this paper, C 9 petroleum resin was used as the raw material, and the microstructure of C 9 /SBS modified asphalt at a different time under different C 9 petroleum resin content was studied by fluorescence microscope.
Evaluation of the Effect of C9 Petroleum Resin on
Understanding the modification mechanism of C9 petroleum resin (C9PR) on styrene–butadiene–styrene (SBS) polymer modified asphalt properties is of significant importance.
The Specific Applications of C9 Petroleum Resin
C9 Petroleum Resin is a versatile material derived from the cracking of petroleum hydrocarbons, specifically from C9 fraction feedstock. As a synthetic polymer, it is widely used in various industries due to its excellent adhesive, thermal stability, and compatibility characteristics.
Diffusion Properties of C9 Petroleum Resin in Porous γ
Molecular dynamics simulations were further employed to evaluate the diffusion behavior of C9 petroleum resin within the generated γ-Al 2 O 3. The effects of temperature, the kinetic diameter of C9 petroleum resin, pore size, and pore window size of γ-Al 2 O 3 on diffusion performance were examined.
Large
Several methods have been reported for the synthesis of C 9 HRs on a laboratory scale, but none has been implemented on a commercial scale.
Characteristics and application areas of c9 petroleum resin
In summary, C9 petroleum resin, with its unique characteristics, serves as a vital additive or modifying material across multiple sectors, catering to the demands for enhanced material properties in various industries.
The application of C9 petroleum resin
In the paper industry, C9 petroleum resin can be used as a substitute for rosin resin to improve the performance of paper. In addition, C9 petroleum resin is also applied in multiple fields such as wood processing, cold polymerization, hot polymerization, copolymerization, and resin hydrogenating.
Petroleum resin, as a crucial raw material in the petrochemical industry, directly impacts the quality and cost of downstream products. The C9 index, a key indicator of petroleum resin quality, plays a significant role in guiding production, optimizing processes, and enhancing product performance. This paper explores the definition, determination methods, influencing factors, and industrial applications of the C9 index in petroleum resin.
1. Definition of the C9 Index in Petroleum Resin The C9 index refers to the content of C9 hydrocarbon compounds (non-aromatic hydrocarbons derived from cracked petroleum fractions) in petroleum resin. These C9 hydrocarbons are integral to the molecular structure of petroleum resin, significantly affecting its properties and performance. Measuring the C9 index is essential for evaluating the quality of petroleum resin.
2. Determination Methods for the C9 Index Primary methods for determining the C9 index include:
- Gas Chromatography (GC): The most widely used technique, involving sample dissolution in solvent, separation via GC, and quantification of C9 peaks.
- High-Performance Liquid Chromatography (HPLC): Suitable for complex matrices but requires specialized equipment.
- Infrared Spectroscopy (IR): Utilizes characteristic absorption bands of C9 compounds but demands technical expertise.
3. Factors Influencing the C9 Index
- Crude Oil Composition: Higher C9 content in crude oil correlates with elevated C9 indices in resin.
- Refining Processes: Parameters such as temperature, pressure, and catalyst selection notably affect C9 retention. For instance, higher temperatures and specific catalysts may enhance C9 yields.
- Post-Treatment Conditions: Oxidation or polymerization during storage can reduce C9 content, underscoring the importance of controlled handling environments.
4. Industrial Applications of the C9 Index
- Production Guidance: Monitoring the C9 index enables timely adjustments to raw materials or processes, ensuring consistent quality.
- Process Optimization: Understanding how variables (e.g., feedstock ratio, reaction conditions) influence the C9 index aids in refining process enhancements.
- Quality Assurance: Stable C9 indices reflect reliable resin performance, supporting efforts to improve end-product standards.
The C9 index is a critical metric for assessing petroleum resin quality. Advancements in analytical techniques and process optimization strategies rely on deepening our understanding of this parameter. Future research should focus on refining measurement accuracy and exploring novel approaches to elevate the C9 index, thereby driving technological progress and quality excellence in the petroleum resin industry.
