Description

Rosin, Maleated, Polymer With Pentaerythritol is a high-performance, modified rosin ester resin produced by the reaction of maleated rosin with pentaerythritol. This chemical modification significantly enhances its thermal stability, adhesion, and compatibility with a wide range of polymers and solvents, making it a critical component in advanced industrial formulations. It is primarily sought after by manufacturers in the coatings, adhesives, inks, and rubber industries for its excellent tackifying and film-forming properties.

Application

• Hot-Melt Adhesives (HMAs): Acts as a primary tackifier, providing excellent adhesion, cohesion, and thermal stability for packaging, woodworking, and non-woven applications.
• Pressure-Sensitive Adhesives (PSAs): Used in tapes and labels to enhance tack, peel strength, and shear resistance.
• Industrial Coatings & Inks: Improves gloss, hardness, and drying speed in solvent-based and gravure printing inks, as well as protective coatings.
• Rubber Compounding: Functions as a processing aid and tackifier in rubber products, improving compound viscosity and green strength.
• Polymer Modification: Enhances the properties of synthetic polymers like EVA, SBS, and SIS, improving compatibility and performance.
• Sealants and Caulks: Contributes to elasticity, adhesion, and durability in construction and automotive sealant formulations.

Basic Information

Product Name	Rosin, Maleated, Polymer With Pentaerythritol
CAS No.	68333-69-7
Molecular Formula	Complex Polymer
Molecular Weight	Contact for details
Synonyms	Maleated Rosin Pentaerythritol Ester; Pentaerythritol Ester of Maleated Rosin; Maleic Anhydride-Modified Rosin Pentaerythritol Ester; Rosin-Maleic Anhydride Adduct Pentaerythritol Ester; Tackifier Resin; Modified Rosin Ester; MRE; Polymerized Rosin Ester
EINECS	Contact for details

Quality Control

Our Rosin, Maleated, Polymer With Pentaerythritol is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessments of acid value, softening point, color, and viscosity. Certificates of Analysis (COA) are provided with every shipment to guarantee compliance with agreed specifications and support your own quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 product integrity. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Pale yellow to amber solid
Softening Point (Ring & Ball)	100 - 120 °C
Acid Value	15 - 30 mg KOH/g
Color (Gardner)	≤ 8
Viscosity (25°C, 60% in Toluene)	Contact for details
Identification (IR)	Conforms

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