Description

Benzene, (1-Methylethenyl)-, Polymer With 2-Methyl-2-Butene And 1,3-Pentadiene is a specialized hydrocarbon resin derived from the polymerization of specific C5 and C9 monomers. This product is valued for its excellent tackifying properties, thermal stability, and compatibility with a wide range of polymers and elastomers. It serves as a critical performance additive in the formulation of adhesives, sealants, and coatings for demanding industrial applications.

Application

• Hot-Melt Adhesives (HMAs): Acts as a primary tackifier, enhancing adhesion, viscosity control, and open time.
• Pressure-Sensitive Adhesives (PSAs): Used in tapes and labels to improve peel strength, tack, and cohesive balance.
• Rubber Compounding: Functions as a processing aid and reinforcing resin in tire and industrial rubber goods.
• Sealants and Caulks: Imparts flexibility, adhesion, and durability in construction and automotive sealants.
• Industrial and Protective Coatings: Enhances gloss, hardness, and chemical resistance in solvent-based coatings.
• Printing Inks: Modifies rheology and improves pigment wetting and gloss in gravure and flexographic inks.
• Asphalt Modification: Used to improve the temperature susceptibility and durability of paving asphalts.

Basic Information

Product Name	Benzene, (1-Methylethenyl)-, Polymer With 2-Methyl-2-Butene And 1,3-Pentadiene
CAS No.	62258-49-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C5/C9 Hydrocarbon Resin; Aliphatic/Aromatic Hydrocarbon Resin; C9 Petroleum Resin; Poly(1-methylethenylbenzene-co-2-methyl-2-butene-co-1,3-pentadiene); Tackifying Resin; Petroleum Hydrocarbon Resin; (Vinyltoluene) Polymer with 2-Methyl-2-butene and Piperylene
EINECS	Contact for details

Quality Control

Our hydrocarbon resins are manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including softening point, color, and solubility to meet precise customer specifications. Certificates of Analysis (COA) documenting purity and physical properties are available for every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Pale yellow to amber solid
Softening Point (Ring & Ball)	85 - 115 °C
Color (Gardner)	≤ 8
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	≤ 2.0 mg KOH/g
Ash Content	≤ 0.1 %
Solubility (Toluene)	Complete

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