Description

Phenolic Modified Rosin Ester H is a high-performance, synthetic resin derived from rosin and modified with phenolic compounds. This modification significantly enhances its thermal stability, tack, and adhesion properties compared to standard rosin esters, making it a critical component in advanced adhesive and coating formulations. It is essential for manufacturers in the pressure-sensitive adhesive, hot-melt adhesive, ink, and specialty coating industries seeking to improve product durability and performance under demanding conditions.

Application

• Pressure-Sensitive Adhesives (PSAs): A key tackifier for tapes, labels, and graphic films, providing excellent initial tack and peel adhesion.
• Hot-Melt Adhesives (HMAs): Enhances the open time, specific adhesion, and thermal stability of packaging, woodworking, and assembly adhesives.
• Inks and Coatings: Used in gravure, flexographic, and overprint varnishes to improve gloss, rub resistance, and substrate wetting.
• Rubber Compounding: Acts as a processing aid and tackifier in rubber products such as tires and industrial rubber goods.
• Sealants and Caulks: Imparts improved adhesion and flexibility to non-hardening sealant formulations.
• Polymer Modification: Serves as a compatibilizer and modifier in various polymer blends to enhance specific characteristics.

Basic Information

Product Name	Phenolic Modified Rosin Ester H
CAS No.	70248-46-3
Molecular Formula	Complex Mixture
Molecular Weight	Contact for details
Synonyms	Phenolic Rosin Ester; Rosin, hydrogenated, polymer with formaldehyde and p-tert-butylphenol; Hydrogenated Rosin Phenolic Ester; Tackifier H; Modified Rosin Ester Resin; Pentaerythritol ester of hydrogenated rosin, phenolic modified; T-100 series resin (common trade name type); Polymerized Rosin Phenolic Ester
EINECS	Contact for details

Quality Control

Our Phenolic Modified Rosin Ester H is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance in key parameters such as softening point, acid value, color, and solubility. Certificates of Analysis (COA) documenting these specifications are provided to guarantee product integrity and batch-to-batch consistency for your formulation needs.

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/59-77°F). Keep away from heat sources and open flame. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Pale Yellow to Amber Solid
Softening Point (Ring & Ball)	100 - 120 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Solubility	Soluble in common organic solvents
Ash Content	≤ 0.1 %

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