Description

Butanedioic Acid, Methylene-, Polymer With 1,3-Butadiene, Ethenylbenzene And Methyl 2-Methyl-2-Propenoate (9Ci) is a specialized multi-component copolymer designed for high-performance industrial applications. This engineered polymer combines the beneficial properties of its constituent monomers to deliver enhanced mechanical strength, chemical resistance, and tailored compatibility. It is primarily utilized in the formulation of advanced adhesives, coatings, and sealants where durability and specific interaction with substrates are critical. This product is supplied with a CAS number of 30230-95-6.

Application

This versatile copolymer is engineered for demanding applications across several key industries:

• Industrial Adhesives & Sealants: Acts as a key polymeric binder in high-strength structural adhesives, pressure-sensitive adhesives (PSAs), and flexible sealants.
• Protective & Functional Coatings: Used in formulating corrosion-resistant primers, industrial maintenance paints, and specialty coatings requiring excellent adhesion and film formation.
• Polymer Modification & Impact Improvement: Employed as an impact modifier or compatibilizer in engineering plastic blends and thermoplastic compounds to enhance toughness.
• Rubber Compounding: Serves as a reinforcing agent or processing aid in the manufacture of specialty rubber goods, improving tensile strength and wear resistance.
• Textile & Fiber Treatment: Utilized in coatings and binders for non-woven fabrics and technical textiles to impart water resistance and durability.
• Automotive Components: Found in underbody coatings, interior trim adhesives, and vibration-damping materials.

Basic Information

Item	Details
Product Name	Butanedioic Acid, Methylene-, Polymer With 1,3-Butadiene, Ethenylbenzene And Methyl 2-Methyl-2-Propenoate (9Ci)
CAS No.	30230-95-6
Molecular Formula	(C5H6O4 • C4H6 • C8H8 • C5H8O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Methylene Butanedioic Acid Polymer with 1,3-Butadiene, Styrene, and Methyl Methacrylate; Butadiene/Styrene/Methyl Methacrylate/Maleic Anhydride Copolymer; BSMMA Copolymer; Maleic Anhydride-Butadiene-Styrene-Methyl Methacrylate Copolymer; MABS Terpolymer (Maleic Anhydride modified); Quadripolymer of Maleic Anhydride, Butadiene, Styrene, and MMA; 2,5-Furandione, polymer with 1,3-butadiene, ethenylbenzene and methyl 2-methyl-2-propenoate
EINECS	Contact for details

Quality Control

Our production of this copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as monomer ratio, molecular weight distribution, acid number, and glass transition temperature (Tg) are rigorously monitored. Certificates of Analysis (COA) detailing specific lot specifications are available upon request, providing transparency and supporting 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. For long-term storage, consider using an inert atmosphere to maintain polymer stability.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Acid Value	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Molecular Weight (Mw)	Contact for details
Moisture Content	< 1.0%
Residual Monomers	< 0.5%
Ash Content	< 0.5%

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