Description

Pentaerythritol Tetrakis(Allylcarbonate) Homopolymer is a high-performance, cross-linked polymer derived from the polymerization of pentaerythritol tetrakis(allylcarbonate). This material matters for its exceptional optical clarity, high thermal stability, and superior impact resistance, making it a critical component in demanding technical applications. Industries requiring durable, transparent, and chemically resistant materials, such as advanced optics and specialty coatings, are the primary users of this polymer.

Application

• Optical Lenses and Prisms: Used as a high-refractive-index, lightweight, and shatter-resistant material for precision optical components.
• Transparent Armor and Ballistic Glazing: Serves as a core layer in laminated security glass due to its excellent impact strength and clarity.
• Aerospace Canopies and Windows: Employed in aircraft and spacecraft for its combination of optical quality, light weight, and durability.
• High-Performance Coatings and Adhesives: Acts as a cross-linking agent or resin matrix in formulations requiring superior chemical and abrasion resistance.
• Electronic Encapsulants: Provides protective, transparent potting for sensitive electronic components.
• Medical Device Components: Utilized for housings or transparent parts where biocompatibility, sterilizability, and clarity are essential.
• Decorative and Industrial Laminates: Used as a durable, clear surface layer in composite panels.

Basic Information

Product Name	Pentaerythritol Tetrakis(Allylcarbonate) Homopolymer
CAS No.	119845-38-4
Molecular Formula	(C17H20O8)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(allyl pentaerythritol carbonate); Poly(APEC); Pentaerythritol Tetraallyl Carbonate Polymer; CR-39 Homopolymer (common industry name); Allyl Diglycol Carbonate (ADC) Polymer; Optical Grade Polycarbonate (specific type); Polydiethylene glycol bis(allyl carbonate); Poly(CR-39)
EINECS	Contact for details

Quality Control

Our Pentaerythritol Tetrakis(Allylcarbonate) Homopolymer is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters such as refractive index, light transmittance, yellowness index, thermal properties, and molecular weight distribution to ensure it meets precise optical and mechanical specifications. Certificates of Analysis (COA) are provided with every shipment, and we can support compliance with relevant industry standards 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 strong oxidizing agents and heat sources to maintain polymer integrity.

Specification

Item	Specification
Appearance	Colorless to slightly yellow transparent solid
Refractive Index (nD20)	1.498 - 1.504
Light Transmittance (%)	> 90.0
Yellowness Index	< 2.0
Density (g/cm³)	1.30 - 1.32
Glass Transition Temperature (Tg)	> 80 °C
Impact Strength	Contact for details
Water Absorption (24h)	< 0.3 %

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