Description

Polybutyleneglycol Dimethacrylate is a high-purity, difunctional methacrylate monomer characterized by its reactive double bonds and polyether backbone. This chemical is a critical building block in the formulation of advanced polymers, offering excellent crosslinking efficiency and flexibility to the final material. It is essential for manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability 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 Composites: Used in the production of dental restorative materials and biocompatible polymer networks due to its controllable polymerization.
• Adhesives & Sealants: Imparts strong adhesion and flexibility in acrylic-based structural adhesives and anaerobic sealants.
• Fiber Optic Coatings: Employed in the primary and secondary coatings for optical fibers to provide protective, flexible layers.
• Lithographic Printing Plates: Serves as a photopolymerizable component in the manufacture of photosensitive resins for printing plates.
• 3D Printing Resins (SLA/DLP): A functional monomer in stereolithography (SLA) and digital light processing (DLP) resins, contributing to part toughness.

Basic Information

Product Name	Polybutyleneglycol Dimethacrylate
CAS No.	28883-57-0
Molecular Formula	CnH2n-2O5 (n varies with polybutylene glycol chain length)
Molecular Weight	Variable (Contact for details on specific grade)
Synonyms	PBGDMA; Poly(oxy-1,4-butanediyl), α,ω-dimethacrylate; Poly(tetramethylene glycol) dimethacrylate; PTMG Dimethacrylate; Bisonomer PBG 400 DMA; NK Ester BPE-200; Difunctional Methacrylate Oligomer; 2-Propenoic acid, 2-methyl-, 1,1'-[oxybis(1,4-butanediyl)] ester
EINECS	249-264-3

Quality Control

Our Polybutyleneglycol Dimethacrylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications for polymerization-grade monomers. Certificates of Analysis (COA) documenting purity, color, acid value, and inhibitor content are provided with every shipment to guarantee consistent performance and supply chain reliability for your critical formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat, sparks, and open flame. This product is light-sensitive (store away from light) and compatible with strong acid/organic solvent materials. For long-term storage under recommended conditions, the shelf life is typically 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0 %
Color (APHA)	≤ 50
Acid Value	≤ 0.5 mg KOH/g
Water Content (KF)	≤ 0.1 %
Inhibitor (MEHQ)	100 - 200 ppm
Viscosity (25°C)	Contact for details

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