Description

Benzoic Acid, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,3-Isobenzofurandione is a specialized polymeric resin derived from key monomers including benzoic acid, pentaerythritol, and phthalic anhydride. This engineered polymer is valued for its ability to impart specific chemical resistance, thermal stability, and film-forming properties in advanced industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics sectors seeking to enhance product performance and durability.

Application

• High-Performance Coatings Resin: Used as a key component in alkyd and polyester-based industrial coatings, automotive paints, and marine finishes for improved weatherability and chemical resistance.
• Adhesive & Sealant Formulations: Serves as a tackifying or modifying resin in structural adhesives, hot-melt adhesives, and sealants to enhance bond strength and flexibility.
• Plastic & Polymer Modification: Acts as a modifier or compatibilizer in engineering plastics and composite materials to improve processing characteristics and end-use properties.
• Ink Manufacturing: Utilized in the production of specialty printing inks, including packaging and metal decoration inks, for superior adhesion and gloss.
• Electrical Insulating Varnishes: Incorporated into wire enamel and insulating varnishes for electrical components due to its thermal stability and film integrity.

Basic Information

Product Name	Benzoic Acid, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,3-Isobenzofurandione
CAS No.	51121-95-0
Molecular Formula	(C7H6O2·C5H12O4·C8H4O3)x
Molecular Weight	Polymeric substance (variable)
Synonyms	Benzoic Acid-Pentaerythritol-Phthalic Anhydride Copolymer; Poly(Benzoic Acid-co-Pentaerythritol-co-Phthalic Anhydride); Pentaerythritol Benzoate Phthalate Polymer; Alkyd Resin based on Benzoic Acid, Pentaerythritol, and Phthalic Anhydride; Benzoic Acid/Pentaerythritol/Phthalic Anhydride Terpolymer; CAS 51121-95-0 Polymer; PA-PE-BA Resin
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,3-Isobenzofurandione adheres to stringent quality management protocols. Each batch undergoes rigorous testing for critical parameters including acid value, hydroxyl value, viscosity, and color to ensure consistency and performance for your specific application. Certificates of Analysis (COA) documenting full specifications are available upon request, and production can be aligned with relevant industry standards such as ISO 9001.

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 strong oxidizing agents, heat sources, and open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid or viscous liquid
Acid Value (mg KOH/g)	5 - 25
Hydroxyl Value (mg KOH/g)	50 - 150
Viscosity (at 25°C)	2000 - 10000 mPa.s (Solution in specific solvent)
Color (Gardner)	≤ 4
Softening Point (Ring & Ball)	80 - 110 °C
Solubility	Soluble in common organic solvents (esters, ketones, aromatic hydrocarbons)

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