Description

Phenol, Tall Oil Rosin, Rosin Polymer is a chemically modified resin derived from tall oil rosin, a natural product of the paper pulping industry. This specialized polymer is valued for its enhanced thermal stability and adhesive properties compared to unmodified rosin. It serves as a critical performance additive in sectors requiring durable, tackifying resins, such as the formulation of hot-melt and pressure-sensitive adhesives, rubber compounding, and industrial coatings.

Application

• Adhesive Formulation: A key tackifier and modifier in hot-melt adhesives (HMAs), pressure-sensitive adhesives (PSAs), and sealants, improving bond strength and flexibility.
• Rubber Compounding: Used as a processing aid and reinforcing resin in synthetic rubber products like tires, belts, and hoses to enhance durability.
• Industrial Coatings & Inks: Imparts gloss, hardness, and improved adhesion in protective coatings, varnishes, and printing inks.
• Polymer Modification: Acts as a compatibilizer and property enhancer in various polymer blends and composites.
• Foundry & Solder Fluxes: Serves as a component in resin binders for metal casting cores and in flux formulations for soldering.

Basic Information

Product Name	Phenol, Tall Oil Rosin, Rosin Polymer
CAS No.	68648-57-7
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Contact for details)
Synonyms	Rosin, polymer with phenol and tall oil rosin; Phenolic modified tall oil rosin; Tall oil rosin-phenol polymer; Modified rosin ester; Phenolic rosin resin; Tackifying resin; Rosin phenolic resin; Adhesive resin
EINECS	Contact for details

Quality Control

Our Phenol, Tall Oil Rosin, Rosin Polymer is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessments of softening point, acid value, color, and solubility. Certificates of Analysis (COA) documenting these specifications are available upon request 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 room temperature (15-25°C). This product is easily oxidized; prolonged storage under an inert atmosphere (e.g., nitrogen) is recommended for optimal long-term stability. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Pale yellow to amber solid
Softening Point (Ring & Ball)	80 - 120 °C (Grade dependent)
Acid Value	10 - 30 mg KOH/g
Color (Gardner)	≤ 8
Solubility	Soluble in common organic solvents

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