Description

Rosin, Fumarated, Polymer With Pentaerythritol is a high-performance, modified rosin ester resin produced by the polymerization of fumarated rosin with pentaerythritol. This chemical modification yields a product with enhanced thermal stability, improved adhesion, and excellent compatibility with a wide range of polymers and solvents, making it a critical component in formulating durable industrial coatings and adhesives. It is primarily sought after by manufacturers in the paint, ink, adhesive, and polymer industries who require reliable tackifiers and modifiers to improve product performance and longevity.

Application

• Hot-Melt Adhesives: Acts as a primary tackifier, providing excellent initial and long-term adhesion for packaging, woodworking, and non-woven applications.
• Industrial & Protective Coatings: Used as a resin modifier in alkyd and epoxy systems to enhance gloss, hardness, drying speed, and chemical resistance.
• Printing Inks: Serves as a key component in solvent-based and publication gravure inks to improve pigment wetting, gloss, and printability.
• Pressure-Sensitive Adhesives (PSAs): Functions as a tackifying resin in solvent-based, water-based, and hot-melt PSAs for labels and tapes.
• Polymer Modification: Employed as a compatibilizer and processing aid to improve the properties of rubber and other elastomeric compounds.
• Sealants and Caulks: Imparts tack and improves the cohesive strength and flexibility of sealant formulations.

Basic Information

Product Name	Rosin, Fumarated, Polymer With Pentaerythritol
CAS No.	65997-11-7
Molecular Formula	Complex Polymer
Molecular Weight	Contact for details
Synonyms	Fumarated Rosin Pentaerythritol Ester; Polymerized Rosin, Fumarated, Pentaerythritol Ester; Pentaerythritol Ester of Fumarated Rosin; Fumarated Rosin-Pentaerythritol Polymer; Rosin, fumarated, polymer with pentaerythritol; Tackifier Resin FRP; Modified Rosin Ester FRP
EINECS	Contact for details

Quality Control

Our production of Rosin, Fumarated, Polymer With Pentaerythritol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including acid value, softening point, color, and solubility to meet precise customer specifications. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product remains stable for extended periods.

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 (Toluene)	Clear, complete solution

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