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DMCD (Dimethyl Cyclohexanedicarboxylate)
DMCD is a cycloaliphatic diester chemical intermediate typically used to make polyester resins and plasticizers. It provides excellent weathering, flexibility, and thermal stability in gel coats.
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- Manufacturer: Eastman
- Product Line: Eastman Resin Intermediates
- Product: DMCD (Dimethyl Cyclohexanedicarboxylate)
- Industries: Adhesives | Coatings
- Authorized Countries: Canada | United States
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Authorized Countries
Canada
United States
Overview
Eastman's DMCD is a cycloaliphatic diester with low melting capabilities that is used to synthesize polyesters, polyamides, alkyds, and plasticizers. It provides similar performance properties to CHDA, except that the reaction with glycols is a transesterification where methanol evolves from the reaction instead of water. When DMCD is used to create coating resins, they gain a better balance of hardness and flexibility while imbuing a high degree of resistance to chemicals, stains, humidity, and corrosion. These resins are typically used in industrial and automotive applications. DMCD may also be used to create water-based polyester resins because it imparts excellent hydrolytic stability.
Specifications
Appearance: Partially crystallized liquid
Viscosity at 20°C, cPs: 8
Flash point, °C (°F): 132 (270)
Boiling point at 100 mmHg, °C (°F): 176 (349)
Vapor pressure at 170.8°C, mmHg: 50
Specific gravity at 35°C/4°C: 1.102
CAS number: 94-60-0
Features & Benefits
- Solid form is easy to melt
- Lower resin solution viscosity
- Better resin hydrolytic stability
- Better coating flexibility
- Chemical and corrosion resistance
Problems Solved
Poor hydrolytic stability in polyester resins Inadequate balance of coating hardness and flexibility Difficult-to-use high-viscosity aromatic acids
Applications
Polyester resins Polyamide resins Alkyd resins Plasticizers Polyester polyols
Related Applications
Related Chemistries
Adhesives
Related Functions
Adhesives
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