Description

2-Butenedioic Acid(Z)-, Monobutyl Ester, Polymer With Butyl 2-Propenoate, Diethenylbenzene And Ethenylbenzene is a specialized copolymer designed for high-performance industrial applications. This engineered polymer offers a unique balance of properties derived from its multi-monomer composition, making it a critical raw material for formulators seeking enhanced durability and specific chemical resistance. It is primarily utilized in the production of advanced coatings, adhesives, and sealants where tailored polymer characteristics are essential. The compound is supplied under CAS No. 76643-42-0, ensuring precise identification and traceability for global supply chains.

Application

• Industrial and Protective Coatings: Serves as a key resin component in high-performance paints and varnishes, providing excellent film formation, adhesion, and resistance to chemicals and weathering.
• Adhesive Formulations: Used in the synthesis of pressure-sensitive adhesives (PSAs) and structural adhesives, contributing to tack, peel strength, and cohesive properties.
• Sealants and Caulks: Imparts flexibility, durability, and binding properties to sealants used in construction and automotive applications.
• Polymer Modification: Acts as an additive or compatibilizer to modify the properties of other polymer systems, improving impact resistance or processability.
• Ink Resins: Employed in the formulation of specialty printing inks, particularly where fast drying and substrate adhesion are required.
• Textile and Leather Finishes: Used in coatings and finishes to provide water repellency, gloss, and a protective layer on fabrics and leather goods.

Basic Information

Product Name	2-Butenedioic Acid(Z)-, Monobutyl Ester, Polymer With Butyl 2-Propenoate, Diethenylbenzene And Ethenylbenzene
CAS No.	76643-42-0
Molecular Formula	(C8H12O4 · C7H12O2 · C10H10 · C8H8)n
Molecular Weight	Polymer - Variable
Synonyms	Butyl maleate - butyl acrylate - divinylbenzene - styrene copolymer; Maleic acid, monobutyl ester, polymer with butyl acrylate, divinylbenzene and styrene; Butyl acrylate/divinylbenzene/styrene/monobutyl maleate copolymer; Poly(butyl acrylate-co-divinylbenzene-co-styrene-co-monobutyl maleate); Acrylic-styrene copolymer modified with maleate; BMA-BA-DVB-ST copolymer; Thermoplastic acrylic resin (specific grade)
EINECS	Contact for details

Quality Control

Our production of this specialty copolymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. While specifications vary by grade, our standard industrial-grade material is characterized for key parameters including solids content, viscosity, acid value, and glass transition temperature (Tg). A comprehensive Certificate of Analysis (COA) detailing these results is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and open flame. For long-term storage, ensure containers are properly sealed to prevent moisture absorption or skin formation.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solids Content	60 - 80 %
Viscosity (at 25°C)	500 - 5000 mPa·s
Acid Value	5 - 30 mg KOH/g
Color (Gardner)	≤ 3
Glass Transition Temp (Tg)	-10 to +30 °C
Identification (IR)	Conforms to structure

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