1、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.

2、High Softening Point of Coumarone

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.

3、Comparison on the performance of solid coumarone

Based on the degree of polymerization, CIR can be divided into solid coumarone resin (S-CIR) and liquid coumarone resin (L-CIR), with differences in softening point and functional use, the softening point of S-CIR is 35 ∼ 135℃, molecular weight is 2500 ∼ 6000, mainly used for softener and tackifier.

4、COUMARONE INDENE RESIN G

C.I. Resin has Double Bonds in Allyl Group Inside Chain Possessed by (Observe - Coumarone and Indene Molecular Structure). This gives effective advantages such as:

5、C90 Coumarone Indene Resin for Rubber

C90 petroleum resin with high softening point is mainly used in the paint. Adding Coumarone resin to the paint can increase the gloss of the paint and improve the adhesion, hardness, acid resistance and alkali resistance of the paint film.

Coumarone

They are well suited for use in adhesives, coatings, and rubber compounds. The CUMAR R-17 product exhibits a 70°C ring and ball softening point, a Neat Gardner color of 11, an iodine number of 85 Wijs, and a molecular weight of 500. High melting/high viscosity grades are available.

Coumarone

Coumarone Indene resins with any softening point present a risk of solidifying, which increases in hot weather.

WEITACK® HYDROCARBON RESIN (COUMARONE INDENE RESIN) WK100C

HYDROCARBON RESIN (COUMARONE INDENE RESIN) WK100C is a low molecular weight thermoplastic aromatic resin produced from petroleum derived C9 fraction through thermal-polymerization technique.

coumarone

Being an extremely "viscous liquid" and having a low softening point make Cumar ® P-10 an ideal candidate for incorporation on our highly absorbent amorphous silica carrier. The wait for Cumar ® P-10 to drain from a container is eliminated.

What is Coumarone Indene Resin? Uses, How It Works & Top

Primarily, Coumarone Indene Resin is used in the production of adhesives, coatings, and rubber compounds. Its ability to improve the mechanical properties and durability of end products makes...

In the vast realm of chemical industry, coumarone-indene resin has become an indispensable key player due to its unique properties and widespread applications. As a high-molecular-weight polymer synthesized from indene compounds through specific processes, coumarone-indene resin is prized for its distinct physical properties, which enable its extensive use across various industrial fields. Among its critical performance indicators, the softening point—a measure of the temperature at which the resin transitions from solid to liquid—is essential for understanding its practical applications. This article delves into the characteristics of the softening point of coumarone-indene resin, aiming to provide insights for its industrial application and development.

I. Definition and Importance of Softening Point

The softening point, also referred to as the melting temperature or melting point, is the temperature at which a material transitions from a solid to a liquid state. For coumarone-indene resin, this parameter reflects not only its thermal stability but also directly impacts its performance in specific applications. For instance, in the manufacturing of plastics and rubber, the softening point is a crucial parameter for selecting raw materials and controlling production processes.

II. Composition and Structure of Coumarone-Indene Resin

Coumarone-indene resin is a high-molecular-weight compound formed through the polymerization of multiple monomers, including indene derivatives such as 1,2-dimethylindane and 2,3-dimethylindane. These monomers interlink via carbon-carbon double bonds, creating a complex three-dimensional network structure. This unique molecular architecture endows the resin with exceptional thermal stability, mechanical strength, and chemical inertness, enabling it to maintain performance under extreme conditions.

III. Impact of Softening Point on Resin Performance

The softening point is a vital indicator of the thermal stability of coumarone-indene resin. A higher softening point signifies greater resistance to melting during heating, allowing the resin to withstand elevated temperatures without degradation. This is particularly critical in applications requiring long-term durability or high-temperature environments. For example, in automotive components like bumpers and engine parts, resins with elevated softening points ensure dimensional stability under heat, reducing the risk of thermal deformation-induced failures.

IV. Methods for Determining Softening Point

To accurately assess the softening point of coumarone-indene resin, Differential Scanning Calorimetry (DSC) is commonly employed. This method measures thermal changes (heat absorption or release) to determine the melting or crystallization temperature. Additionally, infrared spectroscopy (FTIR) is frequently used to analyze spectral shifts during heating, providing indirect inference of the softening point.

V. Application Prospects of Softening Point

With advancements in technology and growing demands for new materials, the applications of coumarone-indene resin continue to expand. In sectors such as aerospace, electronics, and automotive manufacturing, resins with high softening points are increasingly indispensable. Future research may further elevate the softening point of coumarone-indene resin, broadening its utility in emerging fields.

The softening point of coumarone-indene resin is a cornerstone of its performance, crucial for understanding its practical behavior. By studying this parameter, industries can refine production and material development, driving broader applications and advancements. With ongoing technological progress, coumarone-indene resin is poised to deliver even greater performance, contributing significantly to human society’s evolution.