DMDEE catalyst is a colorless to yellowish liquid with an amine-like odor, miscible with water, and is particularly suitable for one-component polyurethane rigid foam sealant systems.
DMDEE catalyst is a strong foaming tertiary amine catalyst used for the catalytic reaction of isocyanates (NCO) and water in polyurethane systems, including TDI, MDI, and IPDI.
DMDEE catalyst provides excellent stability and a long storage life for NCO-containing components due to the steric hindrance effect of its amino groups, making it ideal for use in moisture-cured polyurethane applications and flexible slabstock foams.
CAS Number: 6425-39-4
EC Number: 229-194-7
Molecular Formula: C12H24N2O3
Molecular weight: 244.33
Synonyms: Niax, 4,4′-(oxydiethane-2,1-diyl)dimorpholine, 4,4’-(oxydi-2,1-ethanediyl)bis-morpholin, Dimorpholinodiethylether, BIS(2-MORPHOLINOETHYL) ETHER, BIS[2-(N-MORPHOLINO)ETHYL] ETHER, LUPRAGEN(R) N 106, 4,4'-(3-OXAPENTANE-1,5-DIYL)BISMORPHOLINE, 4,4-(OXYDI-2,1-ETHANEDIYL)BISMORPHOLINE, 2,2'-DIMORPHOLINODIETHYL ETHER, 4,4'-(Oxydiethylene)bis(morpholine), Bis(morpholinoethyl)ether, Dimorpholinodiethyl ether, Morpholine, 4,4'-(oxydiethylene)di-, Morpholine, 4,4'-(oxydi-2,1-ethanediyl)bis-, Lupragen N 106, 2,2'-Dimorpholinodiethylether, BIS(2-MORPHOLINOETHYL) ETHER
DMDEE catalyst is a colorless to yellowish liquid ,with an amine -like odor .
DMDEE catalyst is also miscibie with water.
DMDEE catalyst particularly suitable for one component polyurethane rigid foam sealant systems.
DMDEE catalyst is a tertiary amine catalyst for the production of polyurethane foam
DMDEE catalyst is suitable for water curing systems and is a strong foaming catalyst.
DMDEE catalyst is suitable for the catalytic reaction of NCO and water in systems such as TDI, MDI, and IPDI.
The addition amount of DMDEE catalyst accounts for 0.3-0.55% of the polyether/ester component.
DMDEE catalyst paricularly suitable for on component polyurethane rigidfoam sealant systems.
DMDEE catalyst is an amine catalyst that is isocyanate stable.
DMDEE catalyst is suitable for processing by extrusion blow molding.
DMDEE catalyst is a good blowing catalyst that does not cause cross-linking.
DMDEE catalyst is a straw yellow viscous liquid.
DMDEE catalyst is colorless to yellowish liquid with an odor of amines.
DMDEE catalyst has a fishy odor.
DMDEE catalyst is a tertiary amine catalyst for the production of polyurethane foam, especially suitable for the manufacturing of polyester polyurethane foams or for the preparation of one component foams (OCF)
For many years DMDEE catalyst has been known in the polyurethane foaming industry as a well approved catalyst, specially supporting the water / isocyanate reaction.
Due to the almost not existing gelling / cross-linking activity, DMDEE catalyst provides a very long shelf life when used in prepolymers.
DMDEE catalyst accounts for 0.3-0.55% of the polyether/ester component.
DMDEE catalyst is an amine catalyst suitable for curing systems.
DMDEE catalyst is a strong blowing catalyst.
Due to the steric hindrance of the amino group, the NCO-containing components have a long storage period.
Since one-component polyurethane prepolymer requires long-term storage stability, DMDEE catalyst plays a key role in the stability and polymerization of polyurethane prepolymer.
DMDEE catalyst is a strong foaming catalyst.
DMDEE catalyst can prolong the storage period of NCO components due to the steric hindrance effect of amino groups.
DMDEE catalyst is suitable for TDI, MDI, IPDI, etc.
DMDEE catalyst is a colorless to pale yellow liquid at room temperature, soluble in water.
DMDEE catalyst are chemicals that reduce the energy of activation, allowing reactions to occur faster and at lower temperatures than otherwise possible.
DMDEE catalyst do not directly participate in the reaction, and remain unchanged in the system once the reaction is complete.
DMDEE catalyst is an amine catalyst suitable for water curing systems.
Single-component waterproof coating catalyst DMDEE catalyst is a strong foaming catalyst that allows for a long storage period for NCO-containing components due to the site blocking effect of the amine.
DMDEE catalyst is a specialty amine catalyst used in the production of flexible foam, high-resilient (HR) molded foam, and in coatings and adhesives.
The primary source of exposure to DMDEE catalyst would be expected to occur in the workplace during the manufacture of slabstock flexible foam, HR molded foam, hot melt adhesives, and possibly other products.
DMDEE catalyst is miscible with water, freezes at -280 ℃, boils above 320 ℃, and has a low vapor pressure (0.578 mm Hg at 123 ℃).
DMDEE catalyst has a pH = 10.4.
DMDEE catalyst is a high production volume chemical with wide use in the manufacture of a number of products and significant potential for occupational exposure.
DMDEE catalyst is an amine blowing catalyst particularly suitable for one- and two-component rigid foam sealant systems as well as flexible slabstock foams.
DMDEE catalyst provides system tability in moisture cured polyurethane.
DMDEE catalyst is suitable for water curing system.
As a strong foaming catalyst, DMDEE catalyst can extend the storage life of NCO components due to the resistance effect of amino group, and is suitable for NCO and water catalytic reaction in TDI, MDI, IPDI and other systems.
DMDEE catalyst paricularly suitable for on component polyurethane rigidfoam sealant systems.
DMDEE catalyst is also used in hot melt adhesives.
Polymer add-DMDEE catalyst improves the storage stability.
DMDEE catalyst is a strong blowing catalyst for polyether foam.
DMDEE catalyst is a clear, colourless to slightly yellow liquid of low viscosity and ismiscible with water at room temperature.
DMDEE catalyst paricularly suitable for on component polyurethane rigidfoam sealant systems.
DMDEE catalyst is a catalyst system useful in the production of polyurethane and/or polyisocyanurate foams using hydrohaloolefin blowing agents.
DMDEE catalyst is an amine blowing catalyst particularly suitable for one- and two-component rigid foam sealant systems as well as flexible slabstock foams.
DMDEE catalyst provides system stability in moisture cured polyurethane systems.
DMDEE catalyst is an amine blowing catalyst particularly suitable for one- and two-component rigid foam sealant systems as well as flexible slabstock foams.
DMDEE catalyst is a colorless to yellowish liquid, with an amine-like odor.
DMDEE catalyst is also miscible with water.
DMDEE catalyst particularly suitable for one component polyurethane rigid foam sealant systems.
DMDEE catalyst is an amine blowing catalyst particularly suitable for one- and two-component rigid foam sealant systems as well as for flexible slabstock foams.
Uses of DMDEE Catalyst:
DMDEE catalyst is used in rigid foam sealant systems as well as for flexible slabstock foams.
When DMDEE catalyst is used in moisture-cured systems, DMDEE catalyst provides a stable prepolymer with a rapid cure.
DMDEE catalyst can be used in flexible polyester-based urethane foams, as well as semiflexible foams and HR molded foams.
DMDEE catalyst is a high-boiling amine that can be used in flexible polyester foams, HR molded foams, and moisture-cured foams and coatings.
DMDEE catalyst is a high boilng catalyst for use in flexible polyester-based foams, semiflexible foams and HR moulded foams.
DMDEE catalyst can be used in one component moisture- cured system to provide a stable prepolymer that can undergo rapid cure.
DMDEE catalyst is mainly used In one-component rigid polyurethane foam system.
DMDEE catalyst can be used for polyether and polyester polyurethane soft foam, semi-rigid foam, CASE material, etc.
DMDEE catalyst is used in one component moisture cured applications
DMDEE catalyst is mainly used in the production of foams, e.g. polyester polyurethane foams or one component foams where on one hand the so-called "gas reaction" is promoted, but on the other hand the influence on the so-called "cross-linking reaction" is minor.
DMDEE catalyst curing system suitable for use in water due to the steric effect of the amino group.
DMDEE catalyst mainly used for one-component rigid polyurethane foam system, can also be used for polyether and polyester polyurethane foam, semi-rigid, CASE materials, adding an amount of polyether / ester component of 0.3-0.55% .
DMDEE catalyst is used as a blowing agent in the production of flexible, molded, and moisture-cured foams and coatings.
DMDEE catalyst is also used in hot melt adhesives.
DMDEE catalyst is suitable for use in water curing systems.
Catalytic reaction of NCO and water in the system; DMDEE catalyst is mainly used in one-component rigid polyurethane foam systems, and also in polyether and polyester polyurethane soft foams, semi-rigid foams.
DMDEE catalyst is used as a one-component polyurethane system (such as one-component polyurethane sealant, one-component polyurethane foam, one-component polyurethane The catalyst (or curing agent) in grouting materials, etc.).
DMDEE catalyst is suitable for water curing systems, A strong blowing catalyst, due to the steric hindrance of amino groups, can extend the storage period of NCO components, suitable for the catalytic reaction of NCO and water in systems such as TDI, MDI, and IPDI.
DMDEE catalyst is mainly used in one-component rigid polyurethane foam systems, and can also be used in polyether and polyester polyurethane soft foams, semi-rigid foams, CASE materials, etc.
DMDEE catalyst is mainly used in one-component rigid polyurethane foam system, and also used in polyether and polyester polyurethane soft foam, semi-rigid foam, CASE material, etc.
DMDEE catalyst is mainly used for one-component rigid polyurethane foam systems, but also for polyether-type and polyester-type polyurethane flexible foam, semi-rigid foam, CASE materials, etc.
DMDEE catalyst is used as a catalyst in polyurethane insulating foams released under pressure or from pressurized cans, in hot melt urethane adhesives, in the formation of flexible orthopedic casts, and in warm melt adhesives used in book binding applications.
DMDEE catalyst are primarily used in furniture seat cushions and bedding materials; molded foam is used in automotive seats, packaging, and a wide range of specialty products.
DMDEE catalyst provides system tability in moisture cured polyurethane
DMDEE catalyst can be used in one- and two-component sealant foams as well as flexible slabstock foams.
DMDEE catalyst provides solutions to a wide range of urethane applications including polyether and polyester foams, coatings, elastomers, and high-modulus urethane plastics.
DMDEE catalyst is a highly selective blowing catalyst and mainly used in onecomponent applications, like 1-K Spray foam or 1-K Adhesives
DMDEE catalyst is suitable for one and two component rigid foam sealant as well as for flexible slab-stock foams.
DMDEE catalyst is used as catalysts for reactive hot-melt adhesives.
DMDEE catalyst is a specialty amine catalyst / blowing agent used in the production of flexible foam, high-resilient (HR) molded foam, and in coatings and adhesives.
DMDEE catalyst is mainly used in single-component rigid polyurethane foam system, and can also be used in polyether type and polyester type polyurethane soft foam, semi-hard foam, CASE materials, etc., with the added amount accounting for 0.3-0.55% of the polyether/ester component.
DMDEE catalyst can be used in one- and two-component sealant foams as well as flexible slabstock foams.
DMDEE catalyst is a high-production volume chemical used in the production of flexible foam, high-resilient molded foam, and in coatings and adhesives.
Manufacture of DMDEE Catalyst:
Overview of Production Process:
DMDEE catalyst is produced through a chemical synthesis process that typically involves the following key steps:
Raw Materials:
Diethylamine:
A key starting material, often used in excess to drive the reaction.
Dimethylamine:
Another starting material that reacts with diethylamine.
Ethanol:
DMDEE catalyst is used as a reactant in the process.
Catalysts:
Acid or base catalysts may be employed to facilitate the reaction.
Synthesis Process:
Amination Reaction:
Reaction Type:
DMDEE catalyst is typically synthesized via a reaction between dimethylamine, diethylamine, and ethanol.
Reaction Conditions:
The reaction usually occurs in a solvent at elevated temperatures.
Acidic or basic catalysts may be used to control the reaction conditions.
Equation:
The general reaction can be represented as:
2 CH3NH2+2 C2H5NH2+2 CH3CH2OH→DMDEE+By-products
Separation and Purification:
Distillation:
Following the reaction, the mixture is often distilled to separate DMDEE from by-products and unreacted materials.
Filtration:
If needed, filtration can be employed to remove any solid impurities.
Crystallization:
Crystallization might be used to purify the product further.
Quality Control:
Analysis:
Various analytical methods such as gas chromatography (GC) and nuclear magnetic resonance (NMR) spectroscopy are used to verify the purity and composition of the final product.
Testing:
DMDEE catalyst is tested to ensure it meets the required specifications and standards for its intended use.
Safety and Environmental Considerations:
Handling:
Care should be taken to handle raw materials and intermediates safely, as they can be hazardous.
Proper personal protective equipment (PPE) and ventilation systems should be used.
Waste Management:
By-products and waste materials must be managed according to environmental regulations.
This may involve neutralization, recycling, or proper disposal.
Storage:
Store DMDEE and raw materials in a cool, dry place away from incompatible substances such as strong acids and oxidizers.
Applications:
DMDEE catalyst is used in various applications including:
Catalysis:
As a catalyst in chemical reactions, particularly in polymerization processes.
Chemical Intermediates:
In the production of other chemicals and pharmaceuticals.
Industrial Uses:
In processes such as oil refining or as a stabilizer in industrial formulations.
The manufacture of DMDEE catalyst requires careful control of reaction conditions, purification processes, and adherence to safety protocols to ensure high-quality and safe production.
Handling and Storage of DMDEE Catalyst:
Handling:
Use in a well-ventilated area to minimize inhalation exposure.
Avoid direct skin and eye contact.
Use appropriate personal protective equipment (PPE), including gloves, safety goggles, and lab coats.
Handle in accordance with good industrial hygiene and safety practices.
Storage:
Store in a cool, dry place away from heat sources and direct sunlight.
Keep container tightly closed when not in use.
Store in a well-ventilated area to prevent accumulation of vapors.
Ensure compatibility with other stored materials to avoid dangerous reactions.
Stability and Reactivity of DMDEE Catalyst:
Stability:
DMDEE is generally stable under normal conditions of use and storage.
Avoid exposure to excessive heat, light, and air.
Reactivity:
Reacts with acids and strong oxidizing agents.
Avoid contact with incompatible substances to prevent hazardous reactions.
First Aid Measures of DMDEE Catalyst:
Inhalation:
Move the affected person to fresh air immediately.
If symptoms persist, seek medical attention.
Skin Contact:
Wash the affected area with soap and water.
Remove contaminated clothing and wash before reuse.
Seek medical attention if irritation persists.
Eye Contact:
Rinse immediately with plenty of water for at least 15 minutes.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
Seek immediate medical attention.
Fire Fighting Measures of DMDEE Catalyst:
Suitable Extinguishing Media:
Use foam, dry chemical, or carbon dioxide (CO2) to extinguish fires.
Water can be used to cool containers involved in the fire.
Fire Fighting Procedures:
Wear self-contained breathing apparatus (SCBA) and protective clothing.
Use water spray to cool exposed containers and prevent re-ignition.
Avoid inhaling fumes and vapors.
Hazardous Combustion Products:
Combustion may produce toxic fumes such as nitrogen oxides, carbon monoxide, and carbon dioxide.
Accidental Release Measures of DMDEE Catalyst:
Personal Precautions:
Wear appropriate personal protective equipment.
Avoid breathing vapors and contact with skin and eyes.
Environmental Precautions:
Prevent the product from entering drains, water courses, or soil.
Contain the spill to prevent environmental contamination.
Cleanup Methods:
Absorb with inert material such as sand or earth.
Collect and dispose of the material according to local regulations.
Clean the affected area with water and detergent.
Exposure Controls/Personal Protective Equipment of DMDEE Catalyst:
Exposure Limits:
Follow established exposure limits for DMDEE as per local regulations.
Engineering Controls:
Ensure adequate ventilation in areas where DMDEE is used or stored.
Use fume hoods or local exhaust systems to control exposure.
Personal Protective Equipment:
Eye Protection:
Safety goggles or face shield.
Skin Protection:
Chemical-resistant gloves and protective clothing.
Respiratory Protection:
Use a respirator with an appropriate filter if ventilation is insufficient or exposure limits are exceeded.
Hygiene Measures:
Avoid eating, drinking, or smoking in areas where DMDEE is handled. Wash hands thoroughly after handling.
Identifiers of DMDEE Catalyst:
Chemical Name: Dimethyl-diethyl-ethanolamine
Other Names: DMDEE
Chemical Formula: C₇H₁₇NO
CAS Number: 100-97-0
EC Number: 202-802-4
IUPAC Name: N,N-Dimethyl-N-ethylaminoethanol
SMILES: CCN(C)CCO
InChI: InChI=1S/C7H17NO/c1-4-8(2)6-7-5-9/h8-9H,4-7H2,1-3H3
InChIKey: FKOQTYVPSKTQCZ-UHFFFAOYSA-N
CAS Number: 6425-39-4
EC Number: 229-194-7
MDL number: MFCD00072740
Molecular Formula: C12H24N2O3
Properties of DMDEE Catalyst:
Molecular weight: 244.33
Density: 1.06
Boiling point: 309℃
Flash point: 146℃
Moisture content: ≤0.5
Appearance Form: liquid
Colour: yellow
Odour: No data available
Odour Threshold: No data available
pH: No data available
Melting point/freezing point: No data available
Initial boiling point and boiling range: 309 °C - lit.
Flash point: No data available
Evaporation rate: No data available
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits: No data available
Vapour pressure: No data available
Vapour density: No data available
Relative density: 1,06 g/cm3 at 25 °C
Water solubility: No data available