1、C_9石油树脂的合成研究 Ⅰ．自由基聚合法

MORE ynthesis of C, petroleum resin by free radical polymerization has been studied. The effects on the process of polymerization of different initiators and their composition,the amount used as well as reaction time have been discussed.

2、synthetic method – Petroleum resin

The catalytic polymerization reaction of petroleum resin is a cationic addition polymerization reaction, which mainly involves the formation of carbon cation active centers by C9 monomers under the action of a catalyst, triggering chain polymerization and synthesizing petroleum resin.

3、C9 Thermal Polymerization Petroleum Resin Process

The catalytic polymerization reaction of petroleum resin is a cationic addition polymerization reaction, which mainly involves the formation of carbon cation active centers by C9 monomers under the action of a catalyst, triggering chain polymerization and synthesizing petroleum resin.

C₉ 石油树脂合成工艺的研究

The processes of free radical polymerization and catalytic polymerization by Lewis acid were well investigated, and the effect of polymerization method, reaction time and reaction...

Preparation of C9 Petroleum Resin

The preparation methods of C9 petroleum resin, including thermal polymerization, catalytic polymerization, radical polymerization were summarized and compared. The development directions of modification of Ca petroleum resin were introduced.

Synthesis of Petroleum Polymeric Resin by Cationic Polymerization of

Cationic oligomerization of the C 9 fraction of liquid pyrolysis products of petroleum raw materials, catalyzed by aluminum trichloride diphenyl ether complex, was studied, and a procedure was developed for preparation of a petroleum polymeric resin and petroleum polymerizate to be used as film-forming agents in paint-and-varnish materials.

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.

C9 Petroleum Resin

Since C9 petroleum resin oil is a relatively unrefined material, its polymerization leads to much darker resins than other petroleum resins. Due to their aromatic structure, C9 resins are more compatible with polar elastomers than C5 petroleum resins.

C9 Cold Polymerization and Hydrogenated Resins

Petroleum resin (also known as aliphatic/aromatic hydrocarbon resin).Derived from petroleum cracking byproducts (C5 and C9 fractions), this thermoplastic oligomer (MW: 300–3000) is produced through pretreatment, polymerization, and distillation.

Shaanxi C9 Petroleum Resin

The suitable conditions for polymerization process, washing process, vacuum distillation process were investigated to improve the C9 petroleum resins production.

On the vast stage of modern industry, petroleum resin has become an indispensable material due to its unique chemical properties and broad application prospects. Particularly, C9 petroleum resin, as a critical byproduct in the petroleum refining process, plays a pivotal role not only in the petroleum processing chain but also as a driving force for the development of the petrochemical industry. This article delves into the process, characteristics, and industrial impact of the polymerization reaction of C9 petroleum resin.

I. Overview of C9 Petroleum Resin

C9 petroleum resin is a high-molecular-weight polymer derived from petroleum, characterized by excellent chemical stability, mechanical strength, and heat resistance. Its molecular structure contains a high proportion of long-chain alkanes, which endows it with versatile applications across numerous fields.

II. Polymerization Process

The polymerization of C9 petroleum resin occurs under high temperature and pressure. Initially, crude oil is fractionated into different distillates, enriched with alkanes and olefins. These raw materials are fed into a polymerization unit, where olefins undergo addition polymerization via catalysts, forming long-chain alkanes. The catalyst is crucial in this process, as it accelerates the reaction, enhances product quality, and increases yield.

III. Characteristics of the Polymerization Reaction

1. High Conversion Rate: Due to the substantial olefin content in C9 petroleum resin, the polymerization reaction achieves a high conversion rate, meaning most raw materials are transformed into high-value resin products.
2. 优越性能: C9 petroleum resin exhibits excellent chemical stability and mechanical strength, making it valuable in various applications. Its molecular structure, rich in long-chain alkanes, also ensures notable heat resistance.
3. Environmental Friendliness: Compared to traditional petroleum coke, C9 petroleum resin generates fewer pollutants during production, positioning it as an eco-friendly material.

IV. Impact on Industrial Production

1. Quality Improvement: Optimizing the polymerization process can further enhance the quality of C9 petroleum resin, meeting diverse industry demands.
2. Cost Reduction: Improving efficiency and reducing energy consumption can lower the production costs of C9 petroleum resin.
3. Industrial Advancement: As applications for C9 petroleum resin expand, so does its market demand, propelling the growth of the petrochemical industry.

The polymerization reaction of C9 petroleum resin is a cornerstone of the petrochemical industry, influencing both product quality and sustainable industry development. In the future, advancements in technology and stricter environmental standards may enable more efficient and environmentally friendly production goals, injecting new vitality into the petrochemical sector.