Description

2-Propenoic Acid,2-Methyl,2-Hydroxyethyl Ester,Polymer With Ethenyl Acetateand 3-(Trimethoxysilyl)Propyl 2-Methyl Propenoate is a specialized functional copolymer designed to deliver enhanced adhesion, durability, and crosslinking capabilities. This advanced polymer is engineered to provide superior performance in demanding coating and adhesive formulations by combining the properties of acrylic, vinyl acetate, and organosilane monomers. It is primarily utilized by formulators in the paints & coatings, adhesives & sealants, and construction materials industries seeking to improve product longevity and substrate bonding. Its unique structure offers a balance of flexibility, chemical resistance, and reactivity with various substrates.

Application

• High-Performance Industrial Coatings: Used as a key resin component to enhance adhesion to difficult substrates like metals, plastics, and glass, providing excellent weatherability and chemical resistance.
• Architectural Paints and Primers: Improves the durability, scrub resistance, and binding properties of exterior and interior paints, particularly for masonry and concrete.
• Adhesives and Sealants: Serves as a base polymer in construction adhesives, tile adhesives, and flexible sealants, offering strong bonding and good elasticity.
• Waterproofing Membranes and Coatings: Imparts excellent water resistance and long-term durability to protective coatings for roofs, foundations, and balconies.
• Textile and Leather Finishes: Used in coatings to provide a durable, flexible, and water-repellent finish to fabrics and leather goods.
• Crosslinking Agent for Polymers: The reactive trimethoxysilyl groups enable covalent bonding with other materials or self-crosslinking, enhancing network formation and final material properties.

Basic Information

Product Name	2-Propenoic Acid,2-Methyl,2-Hydroxyethyl Ester,Polymer With Ethenyl Acetateand 3-(Trimethoxysilyl)Propyl 2-Methyl Propenoate
CAS No.	81503-75-5
Molecular Formula	(C7H10O3·C4H6O2·C10H18O5Si)x
Molecular Weight	Polymer - varies by grade
Synonyms	Hydroxyethyl Methacrylate / Vinyl Acetate / 3-(Trimethoxysilyl)propyl Methacrylate Terpolymer; HEMA/VAc/γ-MPS Terpolymer; Poly(2-hydroxyethyl methacrylate-co-vinyl acetate-co-3-(trimethoxysilyl)propyl methacrylate); Acrylic-Vinyl Acetate-Silane Terpolymer; Silane-Modified Acrylic Copolymer; Reactive Acrylic Polymer with Silane Functionality; Adhesion Promoter Polymer; SMA Polymer (Silane-Modified Acrylic)
EINECS	Contact for details

Quality Control

Our 2-Propenoic Acid,2-Methyl,2-Hydroxyethyl Ester,Polymer With Ethenyl Acetateand 3-(Trimethoxysilyl)Propyl 2-Methyl Propenoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent performance, including measurement of solid content, viscosity, acid value, and silane content. Certificates of Analysis (COA) detailing these parameters are provided with every shipment. Our production adheres to ISO 9001 standards, and the product is compliant with global regulatory frameworks such as REACH.

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 flames. Under recommended storage conditions, the product has a typical shelf life of 12 months from the date of manufacture. Always check the batch-specific COA for precise storage guidance.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solid Content	Contact for details
Viscosity (25°C)	Contact for details
Acid Value (mg KOH/g)	Contact for details
Color (Gardner)	≤ 3
Silane Content	Contact for details
Solvent	Typically supplied in organic solvent (e.g., ethyl acetate, xylene)

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