1、COUMARONE INDENE RESIN G
In solid Rubber Compounding many types of Resins are used. The most commonly used are Wood Rosin and Petroleum Resin. However both the Resins have limitations in Compatibility & in Improving nal Quality of Compound when Compared with C.I. Resin.
2、Parameters of Coumarone Petroleum Resin
Among these, coumarone petroleum resin, a high-performance synthetic resin, has become a focus of research and application due to its unique properties and broad prospects.
3、Data Sheet SP036 Coumerone Resin.doc
Solid Coumarone Indene RESIN is Brown-Yellow color block; Softening point range is 80-120°C; Relative density is 1.05-1.10. It is insoluble in the water, and easy to dissolve in the majority organic solvent.
4、Obtaining of Coumarone
Using light fraction of coal tar (5.75 wt % of coumarone and 44.45 wt % of indene), glycidyl methacrylate and styrene, the coumarone-indene resin with epoxy groups (CIRE) has been...
Parameters of Coumarone Petroleum Resin
Petroleum Coumarone-Indene Resin is rubber soften resin produced according to customers' demand. It is widely used in common tyre, shoes-making industry which has performance for carbon black's dispersing and could improve rubber's processing performance.
Comparison on the performance of solid coumarone
Coumarone-indene resin (CIR) has great potential for use as an asphalt modifier because of the cost-effective, high viscosity, and excellent mechanical properties. CIR is classified into two types based on polymerization degree: solid coumarone-indene resin (S-CIR) and liquid coumarone-indene resin (L-CIR).
Coumarone Resin
Coumarone resin is dark brown flake solid resin, it has the properties of good solubility ,mutual solubility, water resistance, insulation and very good chemical stability over acid and alkali, and good adhesive strength and lower heat conduction etc.
Coumarone Petroleum Resin vs. Coumarone
Understand the differences between Coumarone Petroleum Resin and Coumarone-Indene Resin. Explore their sources, properties, and industrial applications for informed material selection.
Coumarone
Coumarone Indene resins with any softening point present a risk of solidifying, which increases in hot weather.
Production of Indene
The process of obtaining coumarone-indene-carbazole resin, as well as coumarone-indene resin8 or any other polymer, depends on certain factors (parameters), which includes: the depth (degree) of conversion of raw materials, quantity and quality of the target product, energy and material costs, etc.
Petroleum resin, as one of the key raw materials in the petrochemical industry, directly impacts the quality and performance of final products. Coumarone-indene petroleum resin from Hunan stands out among similar products due to its unique properties, becoming a focal point in the industry. This article provides a detailed introduction to the parameter indicators of coumarone-indene petroleum resin and their effects on product quality and performance.
Coumarone-indene petroleum resin is a high-molecular-weight polymer synthesized from petroleum through chemical processing. Its primary function is as an intermediate or raw material for various chemical products, widely used in coatings, adhesives, lubricants, waterproof materials, and other fields. Owing to its excellent properties—such as high purity, good chemical stability, and thermal stability—it is extensively applied in industrial production.
Before introducing the parameters of coumarone-indene petroleum resin, it is essential to understand its basic properties. The main parameters typically include:
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Molecular Weight (M): This measures the size of the resin molecules. A higher molecular weight indicates longer chains, offering more complex structures that enhance overall performance. excessively large molecular weights may lead to overly viscous products, challenging processing and increasing costs.
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Acid Value: This reflects the content of acidic substances in the resin, serving as a critical quality indicator. Lower acid values signify fewer acidic impurities, ensuring better stability; conversely, higher values may compromise storage and usability.
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Softening Point: The temperature at which the resin transitions from solid to liquid. This parameter is vital for assessing heat resistance, as many applications require stability under high temperatures.
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Flash Point: The lowest temperature at which the resin can ignite. A higher flash point indicates greater safety, while a lower one increases fire risks.
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Viscosity: A measure of the resin’s flow properties, crucial for process control. Low viscosity may result in uneven coating or curing, while high viscosity can reduce production efficiency.
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Density: The weight per unit volume of the resin. Higher density often means a more compact product, but it may require more storage space.
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Ash Content: The proportion of inorganic residues after combustion. Higher ash content suggests more mineral impurities, which could degrade performance.
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Moisture Content: Excessive moisture negatively impacts resin quality, making moisture control critical for product integrity.
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Color Index: Indicates the resin’s color intensity. Lower values mean lighter color and higher transparency, essential for applications with strict color requirements.
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Thermal Stability: The ability to maintain properties under high temperatures. This is particularly important for resins used in harsh thermal conditions.
Analyzing these parameters reveals their direct impact on product performance and quality. For instance, molecular weight affects processability and mechanical properties, acid value determines stability and lifespan, and softening point/flash point assesses safety and environmental suitability. Viscosity and density influence production efficiency and storage, while ash, moisture, and color affect end-product quality.
understanding and mastering these parameters are significant for optimizing production processes, improving product quality, and meeting market demands. With advancements in technology and rising production needs, future petroleum resin parameters will become more diversified and refined to adapt to increasingly complex application environments.

