1、石油树脂加氢催化剂研究进展

高效稳定的加氢催化剂是关键的技术环节。本文针对催化剂加氢效率低、树脂分子扩散与吸附困难、加氢反应条件苛刻等问题,重点综述了近年来研究者为解决上述难点在催化剂金属活性组分组成、几何与电子结构�. 载体形貌与孔结构设计等方面的研究成果。提出催化剂中金属活性位点的分散度、位点分布情况、价态调控及复合�. 属间的协同作用是调控催化剂性能的关键。同时,对目前石油树脂加氢催化剂活性位点设计、反应机理、催化剂失活再生机制等 .

2、Comparison of thermal stability between dicyclopentadiene/hydrogenated

The thermal decomposition behavior and kinetics of dicyclopentadiene petroleum resin (DPR) and hydrogenated dicyclopentadiene petroleum resin (HDPR) were extensively explored.

3、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 …

4、Comparison of thermal stability between dicyclopentadiene/hydrogenated

The first study of the pyrolysis process of dicyclopentadiene/hydrogenated dicyclopentadiene petroleum resin by TGA and TG-MS. The thermal stability of dicyclopentadiene petroleum resin was improved through hydrotreating.

5、(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.

Hydrogenation Process for Producing Light Petroleum Resins

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.

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.

Preparation of supported palladium catalyst from hydrotalcite

Herein, basing on the concept of strong metal support interaction, supported palladium catalyst (Pd-MgAlO-HT) derived from thermal decomposition of hydrotalcite-like compound has been synthesized and the related chemical processing conditions have been optimized in a stainless autoclave at 150−270 °C, 1−9 MPa H 2 pressure and 0.5−6 h reaction time.

Combustion kinetics and fuel performance of tackifying resins by TG

Combustion kinetics and fuel performance of tackifying resins such as glycerol ester of colophony (GEC), glycerol ester of hydrogenated colophony (GEHC), C9 petroleum resin (C9PR) and hydrogenated C9 petroleum resin (HC9PR) were studied.

Petroleum Resin

The petroleum distillates are called naphtha, and the feed streams to produce hydrocarbon resins are by-products of the naphtha cracking as shown in Fig. 1. Strictly speaking, naphtha is dened as the fraction of hydrocarbons in petroleum boiling between 30 C and fi 200 C.

In modern industry, hydrogenated petroleum resin, as a critical chemical raw material, is widely utilized due to its unique properties. with growing environmental awareness and increasing demands for sustainable development, the environmental impact and decomposition methods of hydrogenated petroleum resins have drawn significant attention. This article explores the decomposition processes of hydrogenated petroleum resins and their potential environmental implications.

I. Properties and Applications of Hydrogenated Petroleum Resin

Hydrogenated petroleum resin, also known as poly(α-olefin), is a high-molecular-weight material synthesized through ethylene polymerization. It exhibits excellent chemical stability, mechanical performance, and processability, making it extensively used in packaging materials, automotive components, wire and cable insulation, and other fields. Due to its production reliance on substantial petroleum resources and energy consumption, the decomposition of hydrogenated petroleum resins has become an urgent issue to address.

II. Decomposition Methods for Hydrogenated Petroleum Resins

Traditional decomposition methods for hydrogenated petroleum resins include pyrolysis, catalytic cracking, and biodegradation.

1. Pyrolysis: Pyrolysis involves heating the resin to break it down into gaseous, liquid, and solid products. While this method effectively recovers carbon black and light oils, it generates tar and exhaust gases that pose environmental and health risks.

2. Catalytic Cracking: Catalytic cracking decomposes the resin into gases, liquids, and solids under high temperatures and with catalysts. This approach reduces energy consumption and pollution but requires costly catalysts and complex equipment.

3. Biodegradation: Biodegradation utilizes microorganisms or enzymes to convert the resin into harmless carbon dioxide and water. Though environmentally friendly and energy-efficient, this method remains experimental and has not yet been industrialized.

III. Environmental Impact of Hydrogenated Petroleum Resin Decomposition

The decomposition process may release harmful substances, such as volatile organic compounds (VOCs), heavy metals, and toxic gases. Untreated emissions can contaminate air, soil, and water, threatening human health and ecosystems. Additionally, the process generates greenhouse gases, exacerbating global warming.

IV. Future Trends in Hydrogenated Petroleum Resin Decomposition

To mitigate environmental challenges, future efforts may focus on developing more efficient decomposition technologies, optimizing processes, improving resource utilization, and enhancing waste treatment and recycling. For instance:

• Substituting fossil fuels with biomass energy in decomposition processes.
• Leveraging nanotechnology to improve catalyst efficiency and selectivity.
• Innovating eco-friendly materials to replace traditional plastics and reduce pollution.

the decomposition of hydrogenated petroleum resins is a critical concern. While existing methods partially address environmental impacts, further research is needed to develop more sustainable and cost-effective solutions. Only through such innovation can we achieve the sustainable development of hydrogenated petroleum resins and contribute to human prosperity.