Description

Poly(Neopentyl Methacrylate) is a specialized acrylic polymer derived from the esterification of methacrylic acid with neopentyl alcohol. This compound is valued for its unique combination of properties, including excellent hydrolytic stability, high glass transition temperature, and good optical clarity, making it a critical performance additive. It is primarily sought after by formulators and manufacturers in the coatings, advanced adhesives, and specialty plastics industries who require materials that maintain integrity under harsh environmental conditions.

Application

• High-Performance Coatings: Used as a key resin or additive in automotive, industrial, and marine coatings for enhanced weatherability, chemical resistance, and gloss retention.
• Optical Materials: Serves as a component in optical lenses, light guides, and transparent films due to its clarity and stability.
• Specialty Adhesives & Sealants: Imparts durability and resistance to moisture and solvents in structural and electronic-grade adhesives.
• Engineering Plastics Modifier: Incorporated to improve the heat resistance and mechanical properties of polymer blends and composites.
• UV-Curable Systems: Acts as a reactive diluent or oligomer in inks, coatings, and 3D printing resins for fast curing and high performance.
• Lithographic Printing Plates: Utilized in photopolymerizable layers for its excellent imaging properties and development resistance.

Basic Information

Product Name	Poly(Neopentyl Methacrylate)
CAS No.	34903-87-2
Molecular Formula	(C9H16O2)n
Molecular Weight	Variable (Polymer)
Synonyms	PNMA; Poly(neopentyl methacrylate); Poly(2,2-dimethylpropyl methacrylate); Neopentyl Methacrylate Polymer; Methacrylic Acid Neopentyl Ester Polymer; Polymethacrylate Ester; Neopentyl Glycol Methacrylate Polymer (related); Acrylic Resin (neopentyl type)
EINECS	Contact for details

Quality Control

Our Poly(Neopentyl Methacrylate) is manufactured under a strict quality management system. Each batch is characterized for critical parameters including molecular weight distribution, residual monomer content, and thermal properties to ensure consistent performance and lot-to-lot reproducibility. Certificates of Analysis (COA) detailing these specifications are provided with every shipment and are available upon request.

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 heat sources and incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal properties.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (as Polymer)	≥ 98.0%
Residual Monomer	≤ 0.5%
Glass Transition Temp (Tg)	70 - 90 °C (Typical)
Weight Average Mw	10,000 - 100,000 g/mol (Customizable)
Polydispersity Index (PDI)	1.5 - 2.5
Loss on Drying	≤ 1.0%

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