Description

Rosin, Polymer With Formaldehyde, Glycerol, Methanol And 4-(1,1,3,3-Tetramethylbutyl)Phenol is a chemically modified rosin ester, specifically a phenolic-modified pentaerythritol ester of polymerized 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 is a critical performance additive for formulators seeking to upgrade the properties of industrial coatings, adhesives, and ink systems. Key industries that rely on this high-performance resin include pressure-sensitive adhesives, hot-melt adhesives, and protective coatings.

Application

• Pressure-Sensitive Adhesives (PSAs): Serves as a key tackifying resin to enhance immediate adhesion and peel strength on labels and tapes.
• Hot-Melt Adhesives: Improves open time, bonding speed, and thermal stability in packaging and assembly applications.
• Industrial & Protective Coatings: Imparts excellent gloss, hardness, and chemical resistance to metal and wood coatings.
• Printing Inks: Used as a resin vehicle to improve pigment wetting, gloss, and rub resistance in solvent-based inks.
• Rubber Compounding: Acts as a processing aid and tackifier to improve the green strength and processability of rubber compounds.
• Sealants and Caulks: Enhances adhesion, flexibility, and durability in construction and automotive sealants.

Basic Information

Product Name	Rosin, Polymer With Formaldehyde, Glycerol, Methanol And 4-(1,1,3,3-Tetramethylbutyl)Phenol
CAS No.	129311-50-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenolic-modified pentaerythritol ester of polymerized rosin; Polymerized rosin, pentaerythritol ester, phenolic-modified; Tackifying resin 129311-50-8; Rosin ester, polymerized, pentaerythritol ester, reaction product with 4-(1,1,3,3-tetramethylbutyl)phenol; Modified rosin ester; TPR resin (Tackifying Phenolic Resin); Pentaerythritol ester of polymerized rosin, modified with octylphenol
EINECS	Contact for details

Quality Control

Our production of Rosin, Polymer With Formaldehyde, Glycerol, Methanol And 4-(1,1,3,3-Tetramethylbutyl)Phenol adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency in key parameters such as softening point, acid value, color, and solubility. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing the specifications and test results. Our commitment to quality ensures reliable performance in your formulations and supports compliance with relevant industry standards.

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). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve its properties. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Pale yellow to amber solid
Softening Point (Ring & Ball)	90 - 110 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Solubility (in Toluene)	Clear, 50% w/w

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