1、C9石油树脂_百度百科

C9石油树脂是以裂解制乙烯装置的副产物C9馏分为主要原料，在催化剂存在下聚合，或将其与醛类、 芳烃、萜烯类化合物进行共聚合而制得的热塑性树脂。 它的分子质量一般小于 2 000，软化点小于 150 ℃，呈热塑性粘稠液体或固体。

2、Technical date sheet

It has the chemical stabilizing property to acid and alkaline, viscosity adjusting and thermal stabilizing. Generally, the petroleum resins are used together with other kings of resins as promoters, adjusting agents and modifiers.

3、Rheological properties of C9 petroleum resin solutions

PDF | This paper investigates the rheological properties of C9 petroleum resin solutions, synthesized through different oligomerization methods.

4、R. Subtelnyy, I. Balitskyi, B. Dzinyak RHEOLOGICAL PROPERTIES OF C9

The composition of these resins differs depending on the method and temperature of oligomerization [4,5]: Resins I–III are styrene-cyclopentadiene cooligomers obtained by high-temperature free-radical oligomerization; Resins IV–VII, which are obtained by low-temperature emulsion and suspension oligomerisation, contain units of styrene and ...

5、C9 petroleum resins_化工百科

C9 petroleum resins - 简介 石油树脂是一种由石油中提取的天然或合成树脂。 它具有以下性质： 它在常温下通常是不溶于水的，但可溶于多种有机溶剂，并具有良好的粘附性。 化学性质：石油树脂是非极性物质，具有较好的耐化学性和耐氧化性。

C9 Petroleum Resin

As discussed in the section on C5 Aliphatic Petroleum Resins, the feedstocks for hydrocarbon resins are produced via cracking of naphtha. Basic C9 aromatic petroleum resins are produced from C9 petroleum resin oil that contains various monomers as illustrated in Figure 1.

C9 PETROLEUM (HYDROCARBON) RESIN

C9 Petroleum (Hydrocarbon) Resin is a low molecular weight thermoplastic aromatic resin produced from petroleum derived C9 fraction through thermal-polymerization technique. It's a transparent granular solid or flakes with the color of light yellow.

Raw Materials for C9 Liquid Resin

C9 hydrocarbon resin is produced by C9 fraction by products of petroleum cracking through pretreatment, polymerization and distillation. It is a low polymer with the molecular weight between 300-3000.

Petroleum Resin

Depending on the nature of the starting materials, which come from the deep cracking of petroleum distillates, three main petroleum resins are classified: aliphatic, aromatic, and dicyclopentadiene (DCPD) [4].

What is the chemical composition of C9 Petroleum Resin?

The chemical composition of C9 Petroleum Resin is complex and can vary depending on the source of the C9 fraction and the polymerization process. Generally, it contains a mixture of aromatic hydrocarbons with a carbon number of 9.

In modern industry, petroleum resins play a crucial role. They are not only used in the manufacture of various high-performance materials, such as thermosetting plastics, coatings, adhesives, and more, but also serve irreplaceable functions in aerospace, automotive, electronics, construction, and other fields. Among them, liquid C9 petroleum resin has become a preferred material for numerous industrial applications due to its excellent properties. This article will explore in depth the composition and characteristics of liquid C9 petroleum resin.

Composition of Liquid C9 Petroleum Resin

Liquid C9 petroleum resin is a complex mixture composed of multiple compounds. Its main components include saturated hydrocarbons, aromatic hydrocarbons, naphthenic hydrocarbons, and specific additives. These components collectively determine the physical and chemical properties of the resin.

First, saturated hydrocarbons form the primary body of liquid C9 petroleum resin, mainly consisting of long-chain alkanes such as n-heptane, isopentane, and other straight-chain alkanes. These hydrocarbon molecules interact through van der Waals forces, endowing the resin with good solubility and flow properties. Additionally, these hydrocarbons provide the resin with superior heat resistance and chemical stability, enabling it to maintain performance under high temperatures and complex chemical environments.

Second, aromatic hydrocarbons and naphthenic hydrocarbons are also critical components. The molecular structures of these hydrocarbons contain abundant benzene rings and naphthenic groups, giving the resin excellent electrical insulation properties and arc resistance. Furthermore, these hydrocarbons enhance the mechanical strength and hardness of the resin, allowing it to withstand significant external forces.

Beyond the primary components, liquid C9 petroleum resin contains specific additives, including functional compounds such as antioxidants, plasticizers, and flame retardants. These additives improve the resin’s performance in targeted applications, such as enhancing thermal resistance, flexibility, or flame retardancy.

Synthesis Process of Liquid C9 Petroleum Resin

The synthesis of liquid C9 petroleum resin involves a complex chemical reaction process, including multiple steps and catalysts. Initially, raw oils are heated to convert into light hydrocarbons like olefins. Subsequently, reactions such as catalytic hydrogenation or catalytic cracking transform these light hydrocarbons into the desired saturated hydrocarbons, aromatic hydrocarbons, and naphthenic hydrocarbons. Finally, specific additives are incorporated to tailor the resin’s properties for diverse applications.

Applications of Liquid C9 Petroleum Resin

Liquid C9 petroleum resin is widely used in industrial production, particularly in the manufacture of thermosetting plastics, coatings, and adhesives. As a key component in these products, it plays a vital role. For example:

• In thermosetting plastics, it blends with other polymers to form composites with exceptional properties.
• In coatings, it acts as a film-forming agent, combining with pigments and solvents to create coatings with excellent coverage and adhesion.

Liquid C9 petroleum resin is a complex mixture of various compounds, with its composition dictating its unique physical and chemical properties. By deeply understanding its composition and performance, we can better utilize this valuable resource to provide more efficient and environmentally friendly solutions for industrial production.