Product Name:1,4-Butanrdiol Diglycidyl Ether

Product information： Epoxy reactive diluent

Model: 622

CAS. No：2425-79-8

Molecular Formula: C4H8N6O

package: 200kg/drum

Quality indicators

Primary Application Directions of  1, 4-Butanediol Diglycidyl Ether / BDGE CAS 2425-79-8 :

1. Reactive Diluent in Epoxy Resin Systems (Most Common Use)

• Purpose: To significantly reduce the viscosity of standard epoxy resins (e.g., bisphenol-A types).

• Key Benefit: Unlike inert solvents, BDGE participates in the curing reaction with amines or other hardeners. It becomes chemically incorporated into the final crosslinked network, minimizing negative impacts on the cured material's mechanical strength, thermal resistance, and chemical resistance.

• Result: Greatly improved processability for casting, impregnation, coating, and laminating, with less air entrapment.

2. Crosslinking Agent for Textile Finishing

• Purpose: To impart durable press (DP) or wrinkle-resistant properties to cellulosic fabrics (cotton, viscose) and their blends.

• Mechanism: Under catalysis, its epoxide groups react with the hydroxyl groups on cellulose fibers, forming stable covalent crosslinks between polymer chains.

• Result: Fabrics gain excellent wrinkle recovery, dimensional stability, and shape retention after washing.

3. Chemical Intermediate & Modifier for Polymers

• Purpose: Used in polymer synthesis and modification.

• Functions:

• Chain Extender: To increase the molecular weight of polymers like polyurethanes or polyesters.

• Crosslinker: To introduce crosslinking points in coatings, adhesives, or specialty resins, enhancing hardness and solvent resistance.

• Epoxy Functionalizer: To introduce epoxy groups onto other polymer backbones for further curing or adhesion promotion.

4. Component in Adhesives, Sealants, and Composites

• Purpose: To enhance performance in formulated products.

• Benefits:

• Adhesives/Sealants: Improves substrate wetting, reduces viscosity for easier application, and can increase flexibility and toughness of the cured adhesive layer due to its aliphatic chain.

• Composites: Aids in the thorough wet-out of fiber reinforcements (e.g., carbon, glass fiber) in laminates and prepregs.

5. Applications in Electronics and Encapsulation

• Purpose: Used in potting compounds, encapsulants, and electrical insulating varnishes.

• Benefit: Its low viscosity allows it to fully penetrate and encapsulate delicate electronic components or windings, providing protection after curing.