1、香豆酮
香豆酮-茚树脂是由煤焦油馏分（含香豆酮、茚等组分）经催化聚合制成的热塑性树脂，又称苯并呋喃-茚树脂或古马隆-茚树脂。 该树脂按软化点分为液体（5-35℃）、黏性固体（35-75℃）和脆性固体（75-135℃），外观呈浅黄至黑色黏稠液体或脆性固体，具有耐酸碱、耐水、电绝缘及热塑性特点，可溶于氯代烃、酯类等有机溶剂，但不溶于低级一元醇和多元醇及蓖麻油。 该树脂于1890年由美国人G.克雷默首创，通过氯化铝等催化剂聚合制得，主要用于橡胶软化剂（增强硫黄溶解性及炭黑分散性）、涂料（替代松香）、胶黏剂及塑料增塑剂，并应用于油墨、电池外壳和覆铜板低温脆化胶水制备。 21世纪初成为橡胶行业主导黏结剂，广泛用于轮胎、胶管等制品生产。
2、COUMARONE INDENE RESIN G
Reduces Mixing Time (due to interaction with double bonds present in Rubber Polymeric Chain). SAVE POWER . These double bonds get cured during Vulcanization, Effectively enhances physical property of Vulcanizates and Increasing the Cross-link density. Faster incorporation in to Rubber Compound.
3、Indorez® Coumarone Indene Resin
Indorez® C9 Coumarone Indene Resin OC-100, is a dark brown color C9 resin produced from C9 fraction. It has the properties of good heat stability, intersolubility, viscosity, light stability.
WESTCOTM CI
WESTCOTM CI-25 LV is a viscous liquid Coumarone Indene resin. Its primary use is to provide tack to uncured natural or synthetic rubber compounds. It also functions as a plasticizer and softening agent. Typical loading levels would be 5.0 – 15.0 phr. . 0.1 %, max. *Max. Melt Viscosity @ 200C. 0.1 %, max. *Reported on the Certificate of Analysis.
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.
Indene
Solvent adhesives use NOVARES C and CA resins to improve various product properties. In dispersion adhesives, polar-modified aromatic NOVARES CA resins provide special solubility in alcohols.
Coumarone Indene Resin
Coumarone Indene Resin is dark brown thermoplastic resin, obtained from polymerizing unsaturated heavy aromatic olefins. The major usages is for rubber applications.
C90 Coumarone Indene Resin for Rubber
Coumarone resin C90 is suitable for natural synthetic rubber additive, it can improve the molding operation, increase the hardness and elasticity of the product.
The Curing Process of Liquid Coumarone Resin
Therefore, coumarone-indene resin (CIR) and coumarone-indene-carbazole resin (CICR) were obtained by ionic co-oligomerization based on fractions extracted from liquid products of coal coking (gasoline fractions and coal tar).
香豆酮
古马隆树脂（Gum Arabic）是一种天然树脂，由古马隆树（Acacia nilotica）的树干中分泌的树胶所获得。 它主要生长在非洲和中东地区。 古马隆树脂具有多种特点和用途。 它是一种水溶性的胶体物质，可以很容易地溶解在水中形成胶状液体。 古马隆树脂还具有良好的保护性能和稳定性，能够防止氧化、降解和水解等反应的发生。 它常被用于涂料、墨水和胶水等工业中，以提供保护和稳定作用。 古马隆树脂还具有一定的药理作用。 它被用作一种天然的咳嗽镇咳剂和口腔溃疡护理剂。 古马隆树脂中所含有的多糖类物质也具有一定的抗氧化和抗炎作用，在中药制剂中也有应用。 最后更新：2024-04-09 21:01:54.
In the field of modern materials science, liquid coumarone-indene resin has garnered significant attention due to its unique physical and chemical properties. This resin is widely used in industrial manufacturing not only for its excellent mechanical properties, chemical resistance, and thermal stability but also because its curing process remains a hot topic for scientific research. The curing of liquid coumarone-indene resin is a complex process involving chemical reactions, physical changes, and microstructural evolution. It determines the final performance of the material and impacts the reliability and stability of the entire application system. This article explores in depth the curing mechanisms of liquid coumarone-indene resin and the key factors involved in this process.
Liquid coumarone-indene resin is a liquid resin formed by mixing a prepolymer generated from the reaction of isocyanate groups with polyols and various additives. Its curing process typically includes two stages: pre-curing and post-curing. Pre-curing occurs at room temperature, where the resin reacts with a curing agent (such as amine compounds) to form an insoluble and infusible three-dimensional network structure. Post-curing involves further reaction between the resin and the curing agent at high temperatures, resulting in a denser and more stable network structure. These two stages collectively complete the curing process, endowing the material with the desired hardness, strength, and dimensional stability.
Several factors influence the curing of liquid coumarone-indene resin. Temperature is a critical factor. Different curing systems exhibit varying curing rates and degrees depending on temperature. For example, some resins require lower temperatures to initiate curing, while others cure rapidly at higher temperatures. Additionally, the type and dosage of the curing agent significantly affect the process. Different curing agents have distinct reactive centers and characteristics, which determine their reaction speed and extent with the resin.
Beyond temperature and curing agents, other factors such as resin viscosity, curing agent concentration, and environmental humidity also impact curing. High-viscosity resins may require longer pre-curing times, while low-viscosity resins can achieve the desired cured state more quickly. The concentration of the curing agent directly affects reaction speed and degree, as excessively high or low concentrations may compromise curing outcomes. Variations in environmental humidity influence the movement of resin and curing agent molecules, thereby affecting the curing process.
Researchers employ various methods to investigate the mechanisms of different influencing factors during the curing process. By altering temperatures, adding different types of curing agents, and adjusting resin-to-curing agent ratios, they systematically observe and analyze phenomena in the curing process. These experimental results provide valuable insights into the curing mechanisms of liquid coumarone-indene resin and guide subsequent material design and preparation.
The curing process of liquid coumarone-indene resin is the critical step in its transition from liquid to solid. During this process, resin molecules cross-link to form a three-dimensional network structure, enabling the transformation from liquid to solid. This transition not only imparts superior mechanical properties, chemical resistance, and thermal stability but also enables applications in many advanced technology fields. this process is not without challenges. To achieve optimal curing results, researchers must carefully control various processing parameters, such as temperature, pressure, and lighting conditions. They must also consider the material's application environment to ensure stable performance in real-world use.
The curing of liquid coumarone-indene resin is a complex chemical and physical process involving molecular interactions, chemical reactions, and microstructural evolution. By studying this process, we can better understand the material's properties and application potential, providing theoretical support for future material design and preparation. With advancements in science and technology, liquid coumarone-indene resin and its curing techniques are poised to play increasingly important roles in the field of new materials, contributing further to human progress.
