Description

2-Propenoic Acid, 2-Methyl-, Methyl Ester, Polymer With 1,3-Butadiene CAS NO 25232-40-0 is a high-performance copolymer of methyl methacrylate and butadiene, engineered to deliver a unique balance of toughness, flexibility, and clarity. This material is crucial for formulators seeking to enhance the impact resistance and durability of rigid plastic and coating systems without sacrificing optical properties. It is primarily utilized in the production of advanced engineering plastics, impact modifiers, and specialty adhesives for the automotive, construction, and consumer electronics industries.

Application

• Impact Modifier for PVC and Engineering Plastics: Significantly improves the toughness and low-temperature impact strength of rigid polyvinyl chloride (PVC) and other brittle polymers.
• Transparent Acrylic-Based Compounds: Used in formulations requiring high clarity and impact resistance, such as light covers, signage, and protective glazing.
• Automotive Interior and Exterior Components: Enhances the durability of plastic parts, including dashboards, trim, and housings, against stress and impact.
• Adhesive and Sealant Formulations: Imparts flexibility and adhesion in high-performance bonding agents for construction and industrial assembly.
• Coating Additive: Incorporated into paints and coatings to improve film flexibility, chip resistance, and overall durability.
• Polymer Blending and Alloying: Acts as a key component in creating polymer alloys with tailored mechanical properties for specialized applications.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Methyl Ester, Polymer With 1,3-Butadiene
CAS No.	25232-40-0
Molecular Formula	(C5H8O2.C4H6)x
Molecular Weight	Varies (Polymer)
Synonyms	Methyl Methacrylate-Butadiene Copolymer; MMB; Poly(methyl methacrylate-co-butadiene); Butadiene/Methyl Methacrylate Copolymer; Acrylic Rubber; Impact Acrylic Modifier; PMMA-co-BD; 2-Methyl-2-propenoic acid methyl ester, polymer with 1,3-butadiene
EINECS	Contact for details

Quality Control

Our Methyl Methacrylate-Butadiene Copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including measurement of molecular weight distribution, monomer residue, and key physical properties. Certificates of Analysis (COA) detailing lot-specific results are available upon request to support your quality assurance and regulatory compliance 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). Keep away from heat sources and open flame. Under these conditions, the product maintains its specified properties.

Specification

Item	Specification
Appearance	White to off-white beads/powder
Identification (IR)	Conforms
Solid Content	≥ 98.0 %
Residual Monomer (Methyl Methacrylate)	≤ 0.5 %
Glass Transition Temperature (Tg)	Contact for details
Particle Size	Customizable
Moisture Content	≤ 1.0 %

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