1、C5/C9共聚型石油树脂_百度百科

C5/C9共聚型石油树脂，中文别称C5/C9复合石油树脂，外文名为copolymer of petroleum resin C5/C9，呈淡黄色至棕黄色片状或粒状固体。 其相对密度为0.96～1.02，软化点范围为90~120℃，酸值小于1.0mgKOH/g。

2、C5/C9 Copolymer Petroleum Resin – Properties & Applications

C5/C9 Copolymer Petroleum Resin, also known as C5/C9 Composite Petroleum Resin, is a pale yellow to brown-yellow flake or granular solid with a relative density of 0.96–1.02 and a softening point of 90–120°C.

3、Petroleum Resin

Derived from petroleum, hydrocarbon resins such as C9 and C5 play a pivotal role in modern industrial applications. These resins are celebrated for their low acid value, excellent miscibility, and resistance to water, ethanol, and various chemicals.

C5/C9 copolymerized petroleum resin

C5/C9 copolymerized petroleum resin information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

What is the melting point of C5 Hydrocarbon Resin?

C9 Hydrocarbon Resin usually has a higher melting point compared to C5 Hydrocarbon Resin. This is because the C9 fraction has larger and more complex molecules.

What are the differences between c9 hydrocarbon resins and c5

Key Differences: Chemical Structure: C5 resins are aliphatic, while C9 resins are aromatic. Color: C5 resins are lighter in color compared to C9 resins. Softening Point: C9 resins have higher softening points suitable for high-temperature applications.

Technical date sheet

♦ A paints: Paints mainly use C9 petroleum resins with high softening points, petroleum resins are added to paints can increase the final finishes of paints, the adhesiveness of paint films and the hardness.

What are the differences between C5 and C9 petroleum resin?

As a supplier of petroleum resin, I often get asked about the differences between C5 and C9 petroleum resin. So, I thought I'd write this blog to break it down for you.

C5/C9 Petroleum Resin

This series are styrene modified C5 resin with a narrow molecular weight distribution, has outstanding rolling ball tack, and excellent balance of peel and cohesive strength. Designed for tackification of SIS and SBS based PSA since styrene modifying brings their excellent SBC compatibility.

Difference between petroleum resin C5 and C9_Mingpai Tech

Color and Appearance: C5 resins tend to have a lighter color, ranging from pale yellow to colorless and transparent, whereas C9 resins are darker, from pale yellow to light brown, also being transparent with a glossy appearance.Softening Point and Melting Point: C5 resins have a lower softening point, usually within the range of 80 to 140°C ...

Petroleum resin, a star product in the chemical industry, has become an indispensable part of industrial manufacturing due to its unique properties and widespread applications. Among the various types of petroleum resins, C5 and C9 resins attract significant attention due to their specific chemical structures and physical properties. This article delves into the melting points of these two resins and their applications in industrial production.

Petroleum resin is a high-molecular-weight compound formed through the polymerization of alkanes with different carbon numbers. C5 and C9 resins are two critical categories, with their chemical structures determining differences in molecular weight, functional group distribution, and thermal stability.

C5 Petroleum Resin, also known as pentameric petroleum resin, has a relatively low molecular weight and contains numerous branched and side chains. These structural features provide C5 resin with good solubility, processability, and heat resistance. its lower molecular weight results in weaker mechanical strength, making it unsuitable for high-strength applications.

C9 Petroleum Resin, or nonameric petroleum resin, has a higher molecular weight and longer carbon chains in its main structure. This confers superior mechanical strength, thermal stability, and chemical resistance. Additionally, C9 resin maintains good solubility and processability, enabling excellent performance in many industrial applications.

The melting point, a physical property reflecting the strength of intermolecular interactions, is crucial for determining the processing temperature range and directly impacts product quality and performance.

The melting point of C5 petroleum resin is typically lower, ranging from 200°C to 300°C. This allows for processing and shaping at lower temperatures, such as injection molding or blow molding. its low melting point also makes it prone to thermal damage during processing, which can compromise final product performance.

In contrast, C9 petroleum resin has a higher melting point, usually between 300°C and 400°C. This enables processing at elevated temperatures, such as extrusion or film blowing, while reducing risks of material deformation or degradation caused by high temperatures.

Beyond melting points, C5 and C9 resins differ significantly in performance. C5 resin has a higher softening point, maintaining better shape and dimensional stability during heating—critical for precision molding.

C9 resin, while having a lower softening point, retains good fluidity and processability at high temperatures. This facilitates complex forming processes, such as multilayer coextrusion or irregular shaping.

Applications in Industrial Production C5 and C9 petroleum resins are widely used in plastics, coatings, adhesives, composites, and other fields. Their unique properties meet diverse material requirements:

• In plastics, they act as fillers, reinforcements, or stabilizers, enhancing mechanical strength, heat resistance, and chemical resistance.
• In coatings, they serve as solvents, dispersants, or thickeners, improving flow properties, gloss, and coverage.

the melting points of C5 and C9 petroleum resins reflect their chemical structures and physical properties, directly influencing their processing and applications. By understanding these characteristics, industries can better select and utilize these resins to meet specific production needs.