Description

Rosin, Polymer With p-tert-Butylphenol, Formaldehyde And Glycerol is a chemically modified rosin ester, specifically a phenolic-modified glycerol ester of rosin. This specialized polymer is engineered to deliver enhanced thermal stability, improved adhesion, and excellent compatibility with a wide range of polymers and solvents. It serves as a critical performance additive and tackifier in demanding industrial formulations, particularly valued for its ability to modify rheological properties and enhance film integrity. Key industries that rely on this high-performance resin include adhesives, coatings, inks, and rubber compounding.

Application

• Hot-Melt Adhesives (HMA): A primary tackifying resin providing excellent adhesion to diverse substrates, including plastics, metals, and paper, with good heat stability.
• Pressure-Sensitive Adhesives (PSA): Used in tapes, labels, and graphic films to balance tack, peel adhesion, and shear holding power.
• Industrial and Protective Coatings: Imparts improved hardness, gloss, and water resistance in solvent-based and high-solid coating systems.
• Printing Inks: Acts as a resinous vehicle to enhance pigment wetting, gloss, and print fidelity in gravure and flexographic inks.
• Rubber Compounding: Functions as a processing aid and tackifier in rubber products, improving compound cohesion and mold flow.
• Sealants and Caulks: Contributes to body, adhesion, and durability in non-curing and elastomeric sealant formulations.
• Polymer Modification: Used as a compatibilizer and modifier to improve the properties of other resins, such as ethylene-vinyl acetate (EVA).

Basic Information

Item	Detail
Product Name	Rosin, Polymer With p-tert-Butylphenol, Formaldehyde And Glycerol
CAS No.	67700-49-6
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Complex Polymer (Contact for details)
Synonyms	Phenolic Modified Rosin Glycerol Ester; p-tert-Butylphenol-Formaldehyde Modified Rosin Glycerol Ester; Tackifying Resin; Rosin Ester; Modified Rosin Ester; Polymerized Rosin Ester; Glycerol Ester of Polymerized Rosin, Phenolic Modified
EINECS	Contact for details

Quality Control

Our production of Rosin, Polymer With p-tert-Butylphenol, Formaldehyde And Glycerol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against key parameters including acid value, softening point, color, and solubility. A comprehensive Certificate of Analysis (COA) documenting these results is provided with every shipment. Our quality system is designed to support customer requirements in regulated and demanding industrial environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from heat sources and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Pale Yellow to Amber Solid / Flakes
Softening Point (Ring & Ball)	85 - 105 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Solubility	Soluble in common organic solvents (e.g., Toluene, MEK, Ethyl Acetate)

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