Description

Glycerol-Pentaerythritol-Phthalic Anhydride Polymer is a synthetic alkyd-type resin, a versatile polymer formed from the polycondensation of glycerol, pentaerythritol, and phthalic anhydride. This compound is valued for its ability to form durable, cross-linked films, making it a critical component in high-performance industrial coatings and adhesives. It is primarily sought by manufacturers in the paints, varnishes, and specialty chemical industries for applications requiring excellent chemical resistance and thermal stability.

Application

• Industrial and Marine Coatings: As a primary resin binder in paints and varnishes that require resistance to strong acids, solvents, and harsh environmental conditions.
• High-Temperature Resistant Enamels: Used in wire enamels and appliance finishes where thermal durability is paramount.
• Corrosion-Inhibiting Primers: Formulated into primers for metal substrates to provide a robust protective barrier.
• Specialty Adhesives and Sealants: Serves as a key polymer in formulations demanding strong bonding and chemical inertness.
• Modifier for Other Polymers: Employed to enhance the flexibility, hardness, or drying properties of other resin systems.
• Electrical Insulation Materials: Utilized in the production of insulating compounds and potting materials.

Basic Information

Product Name	Glycerol-Pentaerythritol-Phthalic Anhydride Polymer
CAS No.	61215-87-0
Molecular Formula	(C8H4O3 · C5H12O4 · C3H8O3)n
Molecular Weight	Polymer - Variable
Synonyms	Alkyd resin, GP Polymer; Glycerol-pentaerythritol-phthalic resin; Phthalic anhydride-glycerol-pentaerythritol copolymer; Pentaerythritol-glycerol phthalate; Alkyd resin based on glycerol, pentaerythritol and phthalic anhydride; Poly(glycerol-pentaerythritol-phthalate); GP Alkyd; Penta-Glycerol Phthalic Resin
EINECS	Contact for details

Quality Control

Our Glycerol-Pentaerythritol-Phthalic Anhydride Polymer is manufactured under strict process controls to ensure batch-to-batch consistency and performance. Quality is verified through a series of tests including acid value, viscosity, color, and solids content. Certificates of Analysis (COA) documenting these specifications are available for every batch upon request, supporting 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 sources of ignition, strong acids, and organic solvents. The container must be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 6
Acid Value (mg KOH/g)	≤ 10
Viscosity (at 25°C)	Specification available upon request
Non-Volatile Matter (%)	≥ 98.0
Solubility	Soluble in common organic solvents

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