Description

Propyleneglycol,Polymer With 3A,4,7,7A-Tetrahydro-1,3-Dioxo-2-Oxaindane,Maleic Anhydride And 2,2-Dimethyl-1,3-Propanediol CAS NO 55885-01-3 is a specialized polymeric resin derived from a complex co-polymerization of propylene glycol, maleic anhydride, and other key monomers. This product matters for its ability to impart enhanced durability, chemical resistance, and tailored rheological properties to final formulations. It is primarily needed by manufacturers in the coatings, adhesives, and specialty polymer industries seeking high-performance additive components.

Application

• High-Performance Industrial Coatings: Used as a resin modifier to improve film hardness, gloss retention, and weatherability in automotive, marine, and protective coatings.
• Advanced Adhesives and Sealants: Functions as a key polymeric backbone to enhance adhesion strength, flexibility, and thermal stability in structural and specialty bonding applications.
• Engineered Polymer Composites: Serves as a reactive intermediate or cross-linking agent to modify the properties of unsaturated polyester resins and other composite matrices.
• Printing Inks and Overprint Varnishes: Imparts excellent pigment wetting, flow characteristics, and substrate adhesion for high-quality graphic arts and packaging inks.
• Specialty Additives for Plastics: Utilized as a processing aid or property enhancer to improve the impact resistance and surface finish of molded plastic parts.

Basic Information

Product Name	Propyleneglycol,Polymer With 3A,4,7,7A-Tetrahydro-1,3-Dioxo-2-Oxaindane,Maleic Anhydride And 2,2-Dimethyl-1,3-Propanediol
CAS No.	55885-01-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(propylene glycol maleate) modified; Maleic anhydride-propylene glycol copolymer, modified; 2,2-Dimethyl-1,3-propanediol, polymer with 3a,4,7,7a-tetrahydro-1,3-dioxo-2H-isoindole-2-carboxylic acid and maleic anhydride; Propylene glycol-maleic anhydride copolymer resin; Modified unsaturated polyester resin; PGMA copolymer; Neoalkyd resin intermediate; Polymeric polyol ester
EINECS	Contact for details

Quality Control

Our production of this specialty polymer adheres to strict batch-to-batch consistency protocols. Quality is assured through comprehensive analytical testing, including determination of acid value, hydroxyl value, viscosity, and color. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to ensure compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient 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	Viscous liquid to solid resin
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	10 - 30
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C, cP)	Contact for details
Solid Content (%)	≥ 98.0
Identification (IR)	Conforms

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