Description

Fatty Acids, C18-Unsatd., Dimers, Polymers With Dodecylphenol, Formaldehyde, Maleic Anhydride, Pentaerythritol And Rosin is a high-performance, multifunctional polymeric resin designed for demanding industrial applications. This complex co-polymer offers a unique combination of tack, adhesion, and chemical resistance derived from its tailored synthesis of rosin esters, fatty acid dimers, and phenolic components. It is essential for formulators seeking to enhance the performance and durability of coatings, adhesives, and inks. Key industries that rely on this advanced material include the adhesive manufacturing, protective coating, and printing ink sectors.

Application

• Hot-Melt Adhesives (HMA): Acts as a key tackifying resin to improve initial grab, peel strength, and thermal stability.
• Pressure-Sensitive Adhesives (PSA): Provides essential tack and adhesion balance for labels, tapes, and graphic films.
• Industrial & Protective Coatings: Used as a modifying resin to enhance adhesion to difficult substrates, gloss, and water resistance.
• Printing Inks: Serves as a grinding resin and binder, improving pigment wetting, gloss, and printability.
• Rubber Compounding: Functions as a processing aid and tackifier in rubber-based adhesives and compounds.
• Sealants and Caulks: Imparts flexibility, adhesion, and durability in construction and automotive sealants.

Basic Information

Product Name	Fatty Acids, C18-Unsatd., Dimers, Polymers With Dodecylphenol, Formaldehyde, Maleic Anhydride, Pentaerythritol And Rosin
CAS No.	109961-31-1
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Variable (Polymer Distribution)
Synonyms	Rosin-modified phenolic resin; Dimerized fatty acid-rosin-pentaerythritol ester; Tackifying resin; Polymeric resin from rosin, fatty acids, and pentaerythritol; Modified rosin ester; Phenolic modified rosin ester; Adhesive tackifier resin; C18 unsaturated fatty acid dimer/rosin polymer
EINECS	Contact for details

Quality Control

Our production of this polymeric resin adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as softening point, acid value, color, and viscosity are rigorously tested. Certificates of Analysis (COA) documenting these specifications are provided with every shipment to support your quality assurance and production processes.

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). Keep away from heat sources and open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Amber solid / flakes
Softening Point (Ring & Ball)	90 - 120 °C
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 12
Viscosity (at 160°C)	Contact for details
Identification (IR)	Conforms

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