Description

Poly(Acrylonitrile-Co-Butadiene), Amine Terminated is a reactive liquid nitrile rubber (NBR) copolymer functionalized with primary amine end groups. This chemical modification provides enhanced compatibility and reactivity with a wide range of polymer matrices and cross-linking agents, making it a valuable performance additive. It is primarily used by formulators and material scientists in the polymer, adhesive, and coatings industries to improve mechanical properties, adhesion, and chemical resistance in advanced composite materials.

Application

• Reactive Toughening Agent for epoxy, polyurethane, and other thermoset resin systems to enhance impact resistance and fracture toughness.
• Compatibilizer and Impact Modifier in engineering plastics and polymer blends to improve interfacial adhesion and mechanical performance.
• Adhesive and Sealant Formulations, where the amine functionality promotes cross-linking and improves bonding to various substrates.
• Coating Additive to increase flexibility, abrasion resistance, and adhesion of protective and industrial coatings.
• Rubber Compound Modification for specialty nitrile rubber products requiring specific cure characteristics or property enhancement.
• Intermediate for Further Chemical Synthesis, utilizing the reactive amine groups to graft other functional moieties.

Basic Information

Product Name	Poly(Acrylonitrile-Co-Butadiene), Amine Terminated
CAS No.	68683-29-4
Molecular Formula	(C₃H₃N·C₄H₆)ₓ·CₙH₂ₙ₊₁NH₂
Molecular Weight	Varies by grade (Typically 3,000 - 10,000 g/mol)
Synonyms	Amine-Terminated Acrylonitrile Butadiene Copolymer; ATBN; Amine-Terminated NBR; Reactive Liquid Nitrile Rubber; Amino-Terminated Butadiene-Acrylonitrile Copolymer; ATBN Rubber; Amine-Functionalized NBR; Nitrile Rubber, amine-terminated
EINECS	Contact for details

Quality Control

Our Poly(Acrylonitrile-Co-Butadiene), Amine Terminated is manufactured under a rigorous quality management system. Each batch is characterized for critical parameters including amine value, acrylonitrile content, molecular weight, and viscosity to ensure consistent performance. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory needs.

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). This product is hygroscopic (moisture-sensitive). Minimize exposure to air and moisture during handling to prevent degradation of the amine functionality. Keep away from strong oxidizers.

Specification

Item	Specification
Appearance	Light amber to brown viscous liquid
Identification (IR)	Complies
Acrylonitrile Content	10 - 30% (Grade dependent)
Amine Value	0.5 - 2.0 meq/g (Grade dependent)
Viscosity @ 25°C	50,000 - 500,000 cP
Moisture (KF)	< 0.5 %

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