Description

Octylphenol-Formaldehyde Resins are synthetic phenolic resins produced by the condensation reaction of octylphenol with formaldehyde. These resins are valued for their excellent compatibility with a wide range of polymers, oils, and solvents, acting as effective tackifiers, plasticizers, and modifiers. They are essential raw materials for formulators and manufacturers in the adhesives, coatings, and rubber industries seeking to enhance product performance and processing characteristics.

Application

• Adhesive Formulations: Key tackifier and modifier in hot-melt, pressure-sensitive, and rubber-based adhesives to improve adhesion, cohesion, and open time.
• Rubber Compounding: Used as a processing aid, plasticizer, and tackifier in tire manufacturing and industrial rubber goods to enhance compound flow and green tack.
• Industrial Coatings & Inks: Functions as a resin modifier in alkyd, epoxy, and phenolic-based coatings and printing inks to improve flexibility, gloss, and drying properties.
• Sealants & Caulks: Imparts tack and improves the compatibility of various components in sealant formulations for construction and automotive applications.
• Oilfield Chemicals: Utilized as a component in drilling mud additives and other oilfield fluid formulations.
• Foundry Resins: Serves as a binder component in shell molding and core-making processes within the metal casting industry.

Basic Information

Product Name	Octylphenol-Formaldehyde Resins
CAS No.	9086-40-2
Molecular Formula	(C14H22O·CH2O)n
Molecular Weight	Variable (Polymeric Resin)
Synonyms	p-tert-Octylphenol formaldehyde resin; 4-(1,1,3,3-Tetramethylbutyl)phenol-formaldehyde resin; Octylated phenol formaldehyde resin; OPF resin; Phenol, 4-(1,1,3,3-tetramethylbutyl)-, polymer with formaldehyde; Tackifier resin OPF; Para-tertiary-octylphenol formaldehyde resin
EINECS	Contact for details

Quality Control

Our Octylphenol-Formaldehyde Resins are manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including measurement of softening point, hydroxyl value, color, and viscosity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your technical requirements.

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. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber lumps or flakes
Softening Point (Ring & Ball)	80 - 120°C (Grade dependent)
Hydroxyl Value	Contact for details
Color (Gardner)	≤ 8
Viscosity (at 150°C)	Contact for details
Solubility	Soluble in aromatic hydrocarbons, esters, ketones; partly soluble in aliphatic hydrocarbons

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