功能单体

1,3-丁二醇双甲基丙烯酸酯（1,3-BDDMA）

1,3-Butanediol Dimethacrylate (1,3-BDDMA), CAS No. 1189-08-8, is a high-performance difunctional methacrylic monomer widely utilized for its exceptional crosslinking capabilities. As a versatile ester derived from 1,3-butanediol and methacrylic acid, it serves as a critical reactive diluent and structural modifier in free-radical polymerization processes. Known for its low volatility and high reactivity, 1,3-BDDMA facilitates the formation of dense, three-dimensional polymer networks that significantly enhance the physical properties of the final product. Its molecular structure provides a unique balance of flexibility and rigidity, making it a preferred choice in high-tech industrial formulations. In the global chemical market, it is recognized for improving durability and resistance across various polymer systems, from specialty coatings to advanced adhesives. By acting as a robust bridge between polymer chains, it ensures superior performance in demanding environments, solidifying its role as an essential building block for modern material science and industrial manufacturing applications.

属性

主要特点与优势

High Crosslinking Density: Enhances structural integrity and heat resistance in cured resins.
Chemical Resistance: Provides superior protection against solvents, acids, and environmental stressors.
Low Volatility: Ensures safer handling and reduced VOC emissions during processing.
Precision Purity: High-grade synthesis ensures consistent performance and minimal batch-to-batch variation.
Enhanced Mechanical Strength: Improves tensile strength and impact resistance of polymer matrices.
Low Shrinkage: Optimizes dimensional stability during the polymerization and curing phases.
Versatile Reactivity: Compatible with UV, EB, and peroxide initiation systems for broad manufacturing flexibility.

规格

技术亮点

Physical Appearance: Clear, colorless to light yellow liquid.
Chemical Purity: Typically 98% minimum by GC analysis.
Solubility: Insoluble in water; highly miscible with most organic solvents and monomer systems.
Boiling Point: Approximately 240 degrees Celsius at atmospheric pressure.
Flash Point: Elevated safety profile with a flash point exceeding 100 degrees Celsius.
Inhibitor Content: Typically stabilized with MEHQ to prevent premature polymerization.
Handling Guidelines: Store in cool, dry conditions away from direct sunlight; ensure proper ventilation and use stainless steel or HDPE containers for bulk storage.

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实际行业应用

应用领域

UV-Curable Coatings: Used as a reactive diluent to improve hardness and chemical resistance in wood and metal finishes.
Anaerobic Adhesives: Critical component in thread-lockers and structural sealants for rapid curing and high-strength bonds.
Dental Materials: Utilized in the formulation of composite fillings and orthodontic resins for its biocompatibility and durability.
Rubber and Elastomers: Acts as a co-agent in peroxide vulcanization to increase modulus and reduce compression set.
Glass Fiber Sizing: Improves the interfacial adhesion between glass fibers and thermoplastic or thermoset resin matrices.
Specialty Inks: Enhances pigment wetting and abrasion resistance in lithographic and screen-printing inks.