Description

4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with cyclopentene, 1-hexene, 2-hexene, 2-methyl-1,3-butadiene, 2-methyl-1-butene, 2-methyl-2-butene, 4-methyl-2-pentene, 1,3-pentadiene and 2-pentene is a complex, multi-monomer hydrocarbon polymer designed for advanced material applications. This specialized polymer offers a unique balance of properties derived from its intricate co-polymer structure, making it a valuable component in high-performance formulations. It is primarily sought by manufacturers in the polymer and specialty chemical industries for developing tailored elastomers, adhesives, and sealants with specific performance characteristics.

Application

• Tackifier and Modifier for Adhesives & Sealants: Enhances tack, peel strength, and flexibility in pressure-sensitive adhesives, hot-melt adhesives, and construction sealants.
• Elastomer and Rubber Compounding: Used as a processing aid and property modifier in synthetic rubber formulations to improve resilience, weatherability, and filler dispersion.
• Viscosity Index Improver for Lubricants: Functions as a polymeric thickener in industrial lubricants and greases to maintain viscosity across a wide temperature range.
• Compatibilizer for Polymer Blends: Aids in the blending of dissimilar polymers to create materials with combined properties and improved phase stability.
• Base Resin for Protective Coatings: Serves as a film-forming agent in coatings requiring chemical resistance, durability, and adhesion to difficult substrates.
• Impact Modifier for Plastics: Incorporated into engineering plastics and composites to enhance impact resistance and toughness.

Basic Information

Product Name	4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with cyclopentene, 1-hexene, 2-hexene, 2-methyl-1,3-butadiene, 2-methyl-1-butene, 2-methyl-2-butene, 4-methyl-2-pentene, 1,3-pentadiene and 2-pentene
CAS No.	68444-24-6
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Varies by grade and composition
Synonyms	Hydrogenated C5/C9 Hydrocarbon Resin; C5/C9 Aliphatic/Aromatic Hydrocarbon Resin; Tackifying Resin; Poly(cyclopentene-co-hexene-co-methylbutadiene-co-pentadiene); C5 Aliphatic Resin; C9 Aromatic Modified Resin; Petroleum Hydrocarbon Resin; Synthetic Hydrocarbon Tackifier
EINECS	Contact for details

Quality Control

Our production of this multi-monomer polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as softening point, color, molecular weight distribution, and hydrocarbon composition are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing specific grade specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperatures (15-25°C). Keep away from heat sources and open flame. For long-term storage, consider an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / flakes
Softening Point (Ring & Ball)	80°C - 120°C (Grade Dependent)
Color (Gardner)	≤ 4
Acid Number	≤ 1.0 mg KOH/g
Saponification Number	≤ 1.0 mg KOH/g
Ash Content	≤ 0.1%
Bromine Number	Contact for details
Molecular Weight (Mw)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.