Description

Polydipentene CAS NO 9003-73-0 is a synthetic hydrocarbon polymer derived from the polymerization of dipentene, a terpene monomer. This versatile polymer is valued for its excellent tackifying properties, chemical stability, and compatibility with a wide range of elastomers and resins. It serves as a critical performance additive in the formulation of adhesives, sealants, and coatings, where it enhances adhesion, flexibility, and water resistance. Key industries that rely on this material include pressure-sensitive adhesives, rubber compounding, and specialty polymer manufacturing.

Application

• Pressure-Sensitive Adhesives (PSAs): Acts as a primary tackifier in tapes, labels, and graphic films, improving initial grab and long-term adhesion.
• Hot-Melt Adhesives: Used as a modifying resin to enhance bonding strength, thermal stability, and flexibility in packaging and product assembly applications.
• Rubber Compounding: Functions as a processing aid and tackifier in the production of tires, belts, hoses, and other molded rubber goods.
• Sealants and Caulks: Imparts improved adhesion, elasticity, and moisture resistance to construction and automotive sealants.
• Industrial Coatings and Inks: Serves as a resin modifier to improve gloss, pigment wetting, and film-forming properties.
• Polymer Modification: Used as a compatibilizer and plasticizer in various polymer blends to tailor physical properties.
• Chewing Gum Base: Employed in food-grade formulations as an elastomer to provide the desired chew texture and stability.

Basic Information

Product Name	Polydipentene
CAS No.	9003-73-0
Molecular Formula	(C10H16)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(dipentene); Dipentene polymer; Terpene resin; Poly(1-methyl-4-(1-methylethenyl)cyclohexene); Limonene polymer; Poly(limonene); Piccolyte® (trade name series); Nirez® (trade name series); Hydrocarbon tackifier resin
EINECS	Contact for details

Quality Control

Our Polydipentene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including measurement of softening point, color, acid value, and solubility. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our production facilities and processes are designed to meet the high standards required by the adhesive, rubber, and polymer industries.

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 flames. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / flakes
Softening Point (Ring & Ball)	80 - 120°C (Grade dependent)
Color (Gardner)	≤ 4
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	≤ 1.0 mg KOH/g
Specific Gravity (25°C)	0.95 - 1.00
Solubility	Soluble in most organic solvents

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