1、Research Progress on Petroleum Resin Hydrogenation
本文总结了现阶段国内外石油树脂加氢改性的最新进展，对石油树脂进行详细分类，对其加氢工艺、加氢机理、载体特性进行归纳总结，最后对未来石油树脂加氢改性的研究方向进行展望，现阶段石油树脂加氢研究概况如图1所示。 石油树脂是由石脑油裂解制乙烯副产物C5至C9馏分聚合而成的一种热塑性树脂，室温下呈现玻璃态，外观呈浅黄色至深褐色，分子量介于300~3000 Da之间。 C5~C9馏分是由多种不饱和烯烃及芳烃组成的复杂混合物，可检测出的有机化合物达到一百至二百余种，其来源广泛、成本低廉。 根据其化学性能不同，含不饱和键的活性组分多在反应时参与聚合；非活性组分在聚合反应中起溶剂作用，不参与聚合，于反应后蒸馏脱除[ 13, 14]。 石油树脂 …
2、Flower
The catalytic hydrogenation of petroleum resin (PR) to high value-added hydrogenated PR (HPR) represents a forward-looking technology for upgrading the pyrolysis petroleum by-product.
3、(PDF) Hydrogenation Process for Producing Light Petroleum Resins as
The hydrogenation of petroleum resins (PRs) and the possibilities of using light hydrogenated PRs as components of hot-melt adhesives and pressure-sensitive adhesives have been surveyed.
4、Hydrogenated Petroleum Resin: Properties and Applications
Hydrogenated petroleum resin is typically produced by a catalytic hydrogenation process. The feedstock is mixed with a catalyst and hydrogen gas, and the mixture is heated under pressure.
5、Hydrogenated Petroleum Resin: Guide to Types, Applications
Discover what hydrogenated petroleum resin is, its key types (C5, C9, DCPD), and how it enhances adhesives, coatings, rubber, and inks. Learn why it's a preferred material in industrial applications
Properties and Applications of Hydrogenated Petroleum Resin
Hydrogenated petroleum resin is a high-quality, versatile, water-white tackifying resin primarily used in the manufacturing of hot melt adhesives, pressure-sensitive adhesives, and other adhesives. It plays a role in tackification, compatibility, thermal stability, and light stability.
DCPD Hydrogenated Petroleum Resins
DCPD hydrogenated petroleum resin is mainly used for high-end rubber products, radial tires, racing tires, bias tires, inner tubes and other rubber mixing.
Influence of hydrogenated petroleum resin on structure evolution and
Two polyethylene samples, one (PE-10) blended with 10% hydrogenated petroleum resin (HPR) and one (PE-0) blended without HPR, were used to investigate the structural evolution and deformation behavior during sequential biaxial stretch-ing and the properties of films after stretching.
Tuning the properties of Ni
In this work, we report a Ni based catalyst with excellent dispersion derived from MgAl-LDHs precursors for PR hydrogenation. The structural parameters and properties of the catalyst is further tuned via La incorporation.
New advances in catalysts for C9 petroleum resin hydrogenation
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.
On the stage of modern industry, petroleum resins play an indispensable role. They are not only a critical component of chemical products but also a key force driving social progress and economic development. Among them, hydrogenated petroleum resin, as a member of the petroleum resin family, involves a complex and refined processing process, rich in scientific principles and technological applications. This article aims to delve into the processing of hydrogenated petroleum resin, revealing the technical details of this process and its impact on industrial production.
The production of hydrogenated petroleum resin begins with the refining of petroleum. Petroleum undergoes fractionation, cracking, and other steps to obtain components with different boiling points. Among these, light hydrocarbons such as olefins and aromatics are ideal raw materials for preparing hydrogenated petroleum resin. During processing, the light hydrocarbons must first be refined to remove impurities and low-boiling components, ensuring smooth hydrogenation.
The refined light hydrocarbons then enter the hydrogenation unit. At this stage, high-pressure hydrogenation increases the carbon number of the raw materials, forming hydrogenated petroleum resin with specific chemical properties. The hydrogenation reaction is exothermic, requiring strict control of conditions to prevent side reactions caused by excessive temperatures.
Hydrogen, as the reducing agent in the hydrogenation reaction, directly affects the efficiency and product quality. hydrogen purification is crucial. Technologies like pressure swing adsorption (PSA) are typically used to obtain high-purity hydrogen for the reaction. Additionally, recycling hydrogen helps reduce costs and improve economic benefits.
Beyond hydrogen purity, factors such as reaction temperature, pressure, and catalysts significantly influence the yield and quality of hydrogenated petroleum resin. Engineers must optimize reaction conditions based on raw material properties and production requirements to achieve the best hydrogenation results.
Hydrogenated petroleum resin processing involves not only chemical reactions but also physical separation and chemical treatment. After hydrogenation, the product must be purified through distillation, crystallization, or other methods. Precise control of parameters like temperature and vacuum degree is critical to ensure product quality.
Furthermore, storage and transportation of hydrogenated petroleum resin require special attention due to its flammable and explosive nature. Strict safety measures are essential. For different applications, modifications to the resin may also be necessary to meet market demands.
Hydrogenated petroleum resin processing is a complex and precise process, spanning multiple steps from raw material preparation to product separation and modification. Each step demands high precision and control to ensure stable and reliable product quality. With technological advancements and rising environmental standards, hydrogenated petroleum resin processing techniques continue to innovate, offering new possibilities for industrial production.
hydrogenated petroleum resin processing is a multidisciplinary field with high technical complexity. It impacts not only the petrochemical industry but also national economic operations and societal progress. Through in-depth research and technological innovation, we can further advance the development of hydrogenated petroleum resin industries and create greater value for human society.
