Description

Octadecyl Acrylate Resin is a high-molecular-weight polymer derived from the esterification of acrylic acid with a long-chain C18 alcohol. This compound is valued for its ability to impart excellent hydrophobicity, flexibility, and low-temperature properties to polymer matrices. It is primarily utilized in the formulation of advanced coatings, adhesives, and specialty polymers where surface modification and internal plasticization are critical. Industrial buyers in the paints & coatings, adhesives, and plastics compounding sectors rely on this resin for enhancing product performance and durability.

Application

• Surface Coatings & Paints: Acts as a key monomer or co-monomer in the synthesis of acrylic resins for industrial, marine, and architectural paints, improving water repellency and film flexibility.
• Pressure-Sensitive Adhesives (PSAs): Used to modify tack, peel strength, and shear resistance in adhesive tapes and labels.
• Plastic Additives: Functions as an internal plasticizer and processing aid in PVC, polyolefins, and other thermoplastics to enhance low-temperature impact strength and reduce brittleness.
• Textile & Fiber Treatment: Employed in coatings and finishes to provide water-resistant and soft-hand properties to fabrics and non-wovens.
• Printing Inks: Incorporated into ink formulations to improve adhesion on low-energy surfaces and provide scuff resistance.
• Leather & Paper Finishing: Used in top-coat formulations to impart gloss, flexibility, and durability.

Basic Information

Product Name	Octadecyl Acrylate Resin
CAS No.	25986-77-0
Molecular Formula	Typically (C₂₁H₄₀O₂)ₙ or related polymer formula
Molecular Weight	Varies (Polymer)
Synonyms	Stearyl Acrylate Polymer; Poly(octadecyl acrylate); Acrylic Acid, Octadecyl Ester, Homopolymer; C18 Alkyl Acrylate Resin; Octadecyl Acrylate Homopolymer; Poly(stearyl acrylate); Long-Chain Alkyl Acrylate Resin
EINECS	Contact for details

Quality Control

Our Octadecyl Acrylate Resin is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including monomer content, molecular weight distribution, viscosity, and appearance to ensure batch-to-batch consistency and performance reliability. Certificates of Analysis (COA) documenting purity, physical properties, and residual monomer levels 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 is typically stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white flakes or solid
Identification (IR)	Conforms
Assay (as Polymer)	≥ 98.0%
Residual Monomer	≤ 0.5%
Viscosity (melt or solution)	Contact for details
Acid Value	≤ 1.0 mg KOH/g
Glass Transition Temperature (Tg)	Contact for details
Moisture Content	≤ 0.5%

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