Description

Poly(Propylene Glycol) Dimethacrylate is a versatile, high-purity difunctional methacrylate monomer characterized by its flexible polyether backbone. This compound is a critical building block in the formulation of advanced polymers, offering excellent crosslinking efficiency and tunable properties. It is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to enhance product durability, flexibility, and performance.

Application

• UV-Curable Coatings & Inks: A key reactive diluent and crosslinker for formulating high-performance, fast-curing surface coatings and printing inks.
• Dental & Biomedical Materials: Used in the synthesis of biocompatible polymers for dental composites, bone cements, and controlled-release drug delivery systems.
• Adhesives & Sealants: Imparts toughness and flexibility to structural adhesives, pressure-sensitive adhesives (PSAs), and anaerobic sealants.
• Optical Polymers & Fiber Optics: Serves as a monomer for producing transparent, impact-resistant polymers used in lenses, optical fibers, and light-guiding panels.
• Lithographic Resists: Employed in photoresist formulations for microelectronics and printed circuit board (PCB) manufacturing due to its precise reactivity.
• Modifier for Rubber & Elastomers: Enhances the crosslink density and mechanical properties of synthetic rubbers and thermoplastic elastomers (TPE).

Basic Information

Item	Detail
Product Name	Poly(Propylene Glycol) Dimethacrylate
CAS No.	25852-49-7
Molecular Formula	CnH2n-2O5 (n varies with propylene glycol unit count)
Molecular Weight	Varies by chain length (typically 300-600 g/mol)
Synonyms	PPG Dimethacrylate; Polypropylene Glycol Dimethacrylate; 2-Propenoic acid, 2-methyl-, 1,1'-[oxybis(methyl-2,1-ethanediyl)] ester; Methacrylic acid, diester with polypropylene glycol; Bifunctional Methacrylate Monomer; Difunctional PPG Methacrylate; Photomer® 8061 (trade name); SR 480 (trade name)
EINECS	Contact for details

Quality Control

Our Poly(Propylene Glycol) Dimethacrylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by HPLC, verification of methacrylate functionality, and measurement of key impurities like residual monomer and inhibitors. A Certificate of Analysis (COA) detailing purity, color, acidity, and specific gravity is provided to ensure compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). Keep away from heat, sparks, and open flame. To prevent premature polymerization, ensure the product is stored with the recommended inhibitor content intact.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Color (APHA)	≤ 100
Acid Value	≤ 1.0 mg KOH/g
Water Content	≤ 0.1%
Inhibitor (MEHQ)	50-200 ppm
Specific Gravity (25°C)	1.00 - 1.05
Viscosity (25°C)	Contact for details

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