1,4-Butanediol Diglycidyl Ethers (BDDE) — High Reactivity Epoxy Crosslinker for Chemical Resistance and Adhesion Enhancement

1,4-Butanediol diglycidyl ethers (BDDE) is a reactive epoxy (glycidyl) compound widely used as a crosslinker and functional epoxy intermediate. It contains two epoxide (glycidyl) groups, enabling strong curing performance in epoxy resin systems. BDDE is commonly used to improve mechanical strength, chemical resistance, adhesion, and curing efficiency in formulation applications.

BDDE is valued in epoxy chemistry for its high reactivity and flexible structure. Key functions include:

• Epoxy crosslinking agent - Provides dense curing networks for improved hardness and strength.
• Adhesion & durability enhancement - Helps improve bonding performance on substrates.
• Chemical resistance improvement - Often used to enhance resistance to solvents and corrosive environments (formulation-dependent).
• Reactivity & formulating flexibility - Compatible with many curing agents and epoxy resins to tailor cure speed and performance.
• Intermediates for advanced materials - Used in coatings, adhesives, composite systems, and specialty polymer synthesis.

BDDE can be used across multiple industries, such as:

• Epoxy coatings (anticorrosion coatings, protective layers)
• Epoxy adhesives & sealants
• Composite materials (lamination, tooling resins)
• Lamination & molding compounds
• Rubber & plastic modification (reactive blending)
• Functional resins for electrical, industrial, and specialty applications
• Chemical intermediates for polymer and materials R&D

1. Reaction of 1,4-Butanediol with epichlorohydrin - Produces intermediate glycidyl ethers structures.
2. Alkaline treatment / epoxidation steps - Converts intermediates into the final diglycidyl ethers form.
3. Purification & removal of impurities - Includes neutralization, washing, distillation and/or filtration.
4. Quality control & packaging - QC verifies epoxy value, purity, color, viscosity, and moisture content before packaging.

• Reliable product quality - stable epoxy value and consistent batch performance (based on your QC/COA).
• Complete specification support - provide COA, SDS, and technical data on request.
• Industrial-grade supply - suited for resin formulators, coating producers, and composite manufacturers.
• Strong R&D & formulation assistance - help customers select curing systems and optimize performance.
• Fast logistics & packaging options - drums/IBC available to meet different order volumes.
• Competitive pricing & long-term cooperation - volume discounts and flexible ordering terms.

It is mainly used as a reactive epoxy crosslinker in coatings, adhesives, composites, and resin systems to improve curing, strength, and chemical resistance.

The CAS number is 2425-79-8.

Store in a sealed, dry, moisture-free environment, away from heat and direct sunlight. Follow SDS handling guidance.

Yes, BDDE is designed for epoxy formulations and is commonly used with a variety of curing agents (final selection depends on the desired cure speed and end performance).

Yes—typically available upon request or with each shipment batch (customize to your policy).

Common packaging includes drums and IBC depending on your order quantity (customize to your exact packaging).