Description

2-Propenoic Acid, 2-Methyl-, Methyl Ester, Polymer With Ethyl 2-Propenoate And 3-(Trimethoxysilyl)Propyl 2-Methyl-2-Propenoate is a specialized silane-modified acrylic copolymer designed to provide enhanced adhesion and durability in demanding coating formulations. This advanced polymer is crucial for formulators seeking to improve the performance and longevity of protective coatings on challenging substrates. It is primarily utilized by manufacturers in the industrial coatings, automotive refinish, and construction sealants industries where superior surface bonding and environmental resistance are required.

Application

• Adhesion Promoter in Industrial Coatings: Enhances the bonding of acrylic and polyurethane coatings to metals, plastics, and pre-treated surfaces.
• Automotive Refinish Primers: Used as a key component in primer formulations to improve inter-coat adhesion and chip resistance.
• Construction Sealants and Caulks: Imparts excellent adhesion to glass, aluminum, and concrete in weather-resistant sealant applications.
• Plastic Coatings: Improves paint adhesion on polypropylene (PP), polyethylene (PE), and other low-surface-energy plastics.
• Corrosion-Resistant Primers: Formulated into heavy-duty maintenance and marine primers for long-term substrate protection.
• Ink and Overprint Varnishes: Provides scratch resistance and substrate anchorage in specialty printing applications.

Basic Information

Item	Detail
Product Name	2-Propenoic Acid, 2-Methyl-, Methyl Ester, Polymer With Ethyl 2-Propenoate And 3-(Trimethoxysilyl)Propyl 2-Methyl-2-Propenoate
CAS No.	58258-13-2
Molecular Formula	(C5H8O2.C5H8O2.C10H20O5Si)x
Molecular Weight	Polymer - varies by grade
Synonyms	Methyl methacrylate / Ethyl acrylate / 3-(Trimethoxysilyl)propyl methacrylate terpolymer; Silane-modified acrylic copolymer; Methacrylic acid, methyl ester, polymer with ethyl acrylate and 3-(trimethoxysilyl)propyl methacrylate; Acrylic silane polymer; Adhesion promoting acrylic resin; MMA/EA/TMSPM terpolymer
EINECS	Contact for details

Quality Control

Our silane-modified acrylic copolymer is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested for critical parameters including solids content, viscosity, silane content, and adhesion performance. A Certificate of Analysis (COA) documenting these results is provided with every shipment 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). This product is hygroscopic (moisture-sensitive). Keep container tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Clear to slightly hazy liquid
Solids Content	40 - 60%
Viscosity (at 25°C)	100 - 3000 mPa·s
Specific Gravity (at 25°C)	0.95 - 1.05
Color (Gardner)	≤ 2
Silane Content	1.0 - 5.0 %
Acid Value	≤ 5.0 mg KOH/g

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