ZD-140 POLYETHER AMINE

ZD-140 Polyether Amine is used epoxy curing agent that provides increased flexibility and toughness.
ZD-140 Polyether Amine is used in polyurethanes, polyureas, and thermoplastic polyamide adhesives.

CAS Number: 9046‑10‑0
EC / EINECS Number: 618‑561‑0
Molecular Formula: C₈H₂₀N₂O₄ (approximate general formula for the polyether amine, may vary slightly depending on chain length)
Molecular Weight: ~430 g/mol

 
SYNONYMS:
ZHENGDA ZD-140 Polyether Amine, Amine‑Terminated Polyether ZD-140, Poly(oxypropylene) Di‑amine (DAPO) (or similar), Polypropylene Glycol Bis(2‑aminopropyl) Ether, ZHENGDA ZD-140 Polyether Amine, Amine-Terminated Polyether ZD-140, Polypropylene Glycol Bis(2-aminopropyl) Ether, Poly(oxypropylene) Diamine

ZD-140 Polyether Amine is a difunctional amine-terminated polyether.
ZD-140 Polyether Amine is miscible in a variety of solvents.
Low color and low odor of ZD-140 Polyether Amine, helping maintain the clarity and quality of final products.

ZD-140 Polyether Amine has versatile miscibility, allowing formulation in multiple solvent systems.
Thermal stability of ZD-140 Polyether Amine under normal processing conditions, although storage at elevated temperatures may cause discoloration.

ZD-140 Polyether Amine is recommended to be handled with standard protective measures, including gloves, goggles, and appropriate ventilation.
Storage of ZD-140 Polyether Amine should be in a cool, dry place, ideally under a nitrogen blanket to prevent moisture and CO₂ absorption.
Spills should be cleaned with water and steam; disposal should follow local regulations.

ZD-140 Polyether Amine is a difunctional, amine-terminated polyether widely used in industrial applications as a curing agent, chain extender, and crosslinker.
Its structure consists of a polyether backbone made from propylene oxide units terminated with primary amine groups, which makes ZD-140 

Polyether Amine highly reactive with epoxy resins, isocyanates, and other reactive chemicals.
This difunctionality allows ZD-140 Polyether Amine to create crosslinked networks, giving enhanced flexibility, toughness, and chemical resistance in cured polymers.

Physically, ZD-140 Polyether Amine is a colorless to pale yellow liquid with low viscosity (~22 cSt at 25°C) and a density of approximately 0.972 g/mL.
ZD-140 Polyether Amine has a flash point around 163 °C and a low vapor pressure, making it relatively safe for handling under controlled conditions.

ZD-140 Polyether Amine is slightly soluble in water but fully miscible with alcohols and glycols, which facilitates formulation in diverse polymer systems.
Its amine value (~4.0–4.6 meq/g) and primary amine content (>95%) make ZD-140 Polyether Amine highly effective as a curing or chain-extending agent.

ZD-140 Polyether Amine is a difunctional amine-terminated polyether.
ZD-140 Polyether Amine acts as an epoxy curing agent.
ZD-140 Polyether Amine offers low viscosity, color stability and vapor pressure.

ZD-140 Polyether Amine provides increased flexibility and toughness.
ZD-140 Polyether Amine is miscible in variety of solvents.
ZD-140 Polyether Amine is a difunctional, amine‑terminated polyether (polyetheramine).

ZD-140 Polyether Amine's backbone consists of repeating oxy‑propylene units (i.e., propylene oxide-based polyether).
ZD-140 Polyether Amine is terminated by primary amine groups on both ends, located on secondary carbons in the polyether chain.
ZD-140 Polyether Amine has an average molecular weight of around 430 g/mol.

ZD-140 Polyether amine（also called Amine-terminated Polyether） is characterized by repeating oxypropylene units in the backbone.
As shown by the representative structure, ZD-140 Polyether Amine is a difunctional, primary amine with average molecular weight of about 430.
The primary amine groups of ZD-140 Polyether Amine are located on secondary carbon atoms at the end of the aliphatic polyether chains.

USES and APPLICATIONS of ZD-140 POLYETHER AMINE:
ZD-140 Polyether Amine acts as an epoxy curing agent.
ZD-140 Polyether Amine offers low viscosity, color stability and low vapor pressure.
ZD-140 Polyether Amine provides increased flexibility and toughness.

ZD-140 Polyether Amine is recommended for polyurethanes, polyurea and polyamide adhesives.
Epoxy curing: ZD-140 Polyether Amine reacts with epoxies to produce flexible, tough, and chemically resistant coatings, adhesives, and composites.

Polyurea and polyurethane systems: ZD-140 Polyether Amine functions as a chain extender or crosslinker, enhancing mechanical properties and thermal stability.
Thermoplastic polyamide adhesives: ZD-140 Polyether Amine provides improved flexibility, toughness, and adhesion.

Metalworking fluids: ZD-140 Polyether Amine can form salts for lubricants and cutting fluids in industrial processes.
ZD-140 Polyether Amine provides enhanced flexibility and toughness in cured resins.
ZD-140 Polyether Amine's low molecular weight (~430 g/mol) ensures relatively low viscosity, which is beneficial for mixing and processing.

ZD-140 Polyether Amine ends are on secondary carbons in the backbone — this structural feature affects reactivity and amine equivalent weight.
The use in cutting fluids (as salts) highlights its versatility beyond just polymer chemistry — ZD-140 Polyether Amine can form salts to serve different roles.

ZD-140 Polyether Amine is used as a hardener for epoxy products, providing greater elasticity and strength.
ZD-140 Polyether Amine can also be used in polyurethanes and thermoplastic polyamide adhesives.
ZD-140 Polyether Amine is characterized by the repeatability of the oxypropylene molecule in the chain.

ZD-140 Polyether Amine is a bifunctional primary amine with an average molecular weight of approx. 430.
Basic amino groups are located on secondary carbon atoms at the end of the aliphatic polyether chains.
ZD-140 Polyether Amine is used as a hardener for epoxy products, providing greater elasticity and strength.

ZD-140 Polyether Amine can also be used in polyurethanes and thermoplastic polyamide adhesives.
ZD-140 Polyether Amine is a versatile amine used in multiple industrial applications.
Epoxy curing agent: ZD-140 Polyether Amine  can cure epoxy resins, providing increased flexibility and toughness.

Polyurethane / Polyurea: ZD-140 Polyether Amine is used as a chain extender or crosslinker in polyurethanes and polyureas.
Thermoplastic polyamide adhesive: ZD-140 Polyether Amine’s used in adhesives where flexibility and toughness are needed.
Cutting fluids: Salts of ZD-140 Polyether Amine can be formed and used in metalworking cutting fluids.

ZD-140 Polyether Amine is used epoxy curing agent that provides increased flexibility and toughness.
ZD-140 Polyether Amine is used in polyurethanes, polyureas, and thermoplastic polyamide adhesives.
Salts may be formed for use in cutting fluids.

-Applications of ZD-140 Polyether Amine:
●Curing agent for epoxy resin; curing agent for ornament glue (hard glue); curing agent for wind blade adhesive.
●Hot-melt adhesive for polyamide; curing agent for electron end-sealing material.
●Curing agent for electron potting compound; curing agent for electron encapsulating material.
●Fast curing RIM; curing agent for building structure adhesive.
●Curing agent for modified polyether amine.
●Curing agent for heavy anti-corrosion coatings.
●Curing agent for composite materials of fishing rods, golf clubs and tennis rackets.

BENEFITS of ZD-140 POLYETHER AMINE:
• Low viscosity, color and vapor pressure.
• Completely miscible with a variety of solvents.

BENEFITS & KEY CHARACTERISTICS of ZD-140 POLYETHER AMINE:
*Low viscosity: 
Makes ZD-140 Polyether Amine easy to process and mix into formulations.

*Low color / low vapor pressure: 
ZD-140 Polyether Amine helps maintain clarity in final products and reduces volatilization.

*High miscibility: 
ZD-140 Polyether Amine is fully miscible with a variety of solvents, which gives formulators flexibility.

*Enhanced flexibility / toughness: 
When used as a curing agent, ZD-140 Polyether Amine improves flexibility in cured networks.
Because ZD-140 Polyether Amine is a difunctional polyether amine, it is highly useful in crosslinking or chain-extending polymer systems (such as epoxy or polyurea), where both ends can react.

PHYSICAL and CHEMICAL PROPERTIES of ZD-140 POLYETHER AMINE:
CAS Number: 9046‑10‑0
EC / EINECS Number: 618‑561‑0
Functional Groups: Two primary amine end groups (difunctional)
Amine Value (Total Amine): ~4.0–4.6 meq/g
Primary Amine Content: ≥95% of total amine
Amine Hydrogen Equivalent Weight (AHEW): ~115 g/eq
Equivalent Weight with Isocyanates: ~230 g/eq
pH (5% solution): ~11.6
Viscosity: ~22 cSt at 25 °C
Density: ~0.972 g/mL at 25 °C
Refractive Index (nD): ~1.4482 (20 °C)

Water Content: ≤0.25 wt%
Appearance: Colorless to pale yellow liquid (slight haze permitted)
Flash Point: ~163 °C (PMCC)
Vapor Pressure: Very low, ~1 mmHg at 165 °C
Chemical Name / INCI: Polypropylene Glycol Bis(2-aminopropyl) Ether
Molecular Formula: C8H20N2O4 (approximate, depends on chain length)
Molecular Weight: ~430 g/mol
Solubility: Slightly soluble in water; fully miscible with alcohols and glycols
Chemical Type: Difunctional polyether amine with primary amine end groups
Stability / Storage: Store in a cool, dry, light-protected environment; nitrogen blanketing recommended; avoid prolonged exposure to heat (>60 °C) to prevent discoloration

FIRST AID MEASURES of ZD-140 POLYETHER AMINE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation: 
Fresh air.
*In case of skin contact: 
Take off immediately all contaminated clothing. 
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact: 
Rinse out with plenty of water. 
Call in ophthalmologist. 
Remove contact lenses.
*If swallowed:
After swallowing: 
Immediately make victim drink water (two glasses at most). 
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of ZD-140 POLYETHER AMINE:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains. 
Collect, bind, and pump off spills. 
Observe possible material restrictions. 
Take up dry. 
Dispose of properly. 
Clean up affected area.

FIRE FIGHTING MEASURES of ZD-140 POLYETHER AMINE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2) 
Foam 
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of ZD-140 POLYETHER AMINE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection. 
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A 
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of ZD-140 POLYETHER AMINE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of ZD-140 POLYETHER AMINE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available