Description

Polybutadiene-Graft-Poly(Methyl Acrylate-Co-Acrylonitrile) is a high-performance graft copolymer engineered to combine the resilience of polybutadiene with the chemical and thermal resistance of acrylate and nitrile polymers. This material matters for formulators seeking to enhance the toughness, flexibility, and durability of polymer blends and composites. It is primarily needed by manufacturers in the automotive, industrial rubber goods, and impact modifier sectors, where it serves as a critical additive to improve material performance under stress.

Application

• Impact Modifier for Engineering Plastics: Significantly improves the toughness and crack resistance of rigid thermoplastics like ABS, SAN, and PVC.
• Automotive Component Manufacturing: Used in formulations for under-the-hood parts, seals, gaskets, and vibration-damping materials requiring oil and temperature resistance.
• Rubber Goods Reinforcement: Enhances the tensile strength, abrasion resistance, and low-temperature flexibility of industrial rubber products such as hoses, belts, and rolls.
• Adhesive and Sealant Formulations: Imparts flexibility and adhesion to various substrates in high-performance construction and industrial adhesives.
• Polymer Blend Compatibilizer: Acts as an interfacial agent to improve the compatibility and mechanical properties of immiscible polymer blends.
• Footwear and Sporting Goods: Used in soles and components where a balance of flexibility, durability, and lightweight properties is essential.

Basic Information

Product Name	Polybutadiene-Graft-Poly(Methyl Acrylate-Co-Acrylonitrile)
CAS No.	27012-62-0
Molecular Formula	(C4H6)x.(C4H5NO.C4H6O2)y
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Polybutadiene-g-poly(methyl acrylate-co-acrylonitrile); PB-g-P(MA-co-AN); Acrylonitrile-Methyl Acrylate-Polybutadiene Graft Copolymer; Butadiene/Acrylonitrile/Methyl Acrylate Graft Polymer; Rubber-Modified Acrylonitrile Methyl Acrylate Copolymer; Impact-Modified SAN Copolymer; ABS-Type Graft Copolymer; Nitrile Rubber Graft Copolymer
EINECS	Contact for details

Quality Control

Our Polybutadiene-Graft-Poly(Methyl Acrylate-Co-Acrylonitrile) is produced under a stringent quality management system. Each batch undergoes rigorous testing for key parameters including graft efficiency, molecular weight distribution, and compositional analysis to ensure consistent performance. Certificates of Analysis (COA) documenting purity, residual monomers, and physical properties are available upon request to support your quality assurance protocols.

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 open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Off-white to pale yellow granules/pellets
Acrylonitrile Content	20 - 35 %
Methyl Acrylate Content	10 - 25 %
Polybutadiene Content	40 - 60 %
Grafting Efficiency	≥ 60 %
Moisture Content	≤ 0.5 %
Residual Monomers	≤ 100 ppm (each)
Ash Content	≤ 0.1 %

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