Methyl Nadic Acid Anhydride

Methyl Nadic Acid Anhydride

Methylnadic anhydride (MNA), also known as methyl-5-norbornene-2,3-dicarboxylic anhydride, is a light yellow transparent liquid with a molecular formula of C10H10O3, a molecular weight of 178.18, and a CAS number of 25134-21- 8. Boiling point >250°C, refractive index 1.506-1.508, flash point 135°C, soluble in benzene, toluene, acetone, chloroform, ethanol and other organic solvents, deliquescent, and a liquid acid anhydride curing agent with excellent comprehensive properties.

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Product Introduction

Technical indicators


 

Project Indicator
Appearance light yellow transparent liquid
Viscosity, mPa.S(25℃) 170-300
Content, % ≥98.0
Freezing point, ℃ ≤-15
Relative density (20℃) 1.20-1.25


Use


 

It is mainly used as epoxy resin curing agent. The reference dosage is 80 to 85 parts. After adding 0.5 parts of tertiary amine (BDMA), the pot life is still 2 months at suffocating temperature. Curing strip: 100℃/2h+150℃/4h or 120℃/6h+180℃/lh or 90℃/2h+120℃/2h+160℃/lh. The cured material has light color, small shrinkage and excellent electrical properties. It has good chemical resistance and high temperature resistance, but poor alkali resistance and strong solvent resistance. Thermal distortion temperature is 150~175℃. **Maximum operating temperature 163℃. Used as a curing agent for epoxy resin, FRP/FWP, etc. in insulation fields such as generators, automotive motors, transformers, and rotors.


Product features


 

1. It has low viscosity at room temperature and low hygroscopicity, and can be constructed at low temperatures and stored for a long time; 2. The mixture with epoxy resin has a long pot life, slow curing speed and small heat release; 3. The usage amount is small, and the cured product has excellent Excellent heat resistance and hardness, small curing shrinkage; 4. The cured product has excellent high temperature resistance, aging resistance and chemical resistance.


Packaging


 

220 kg/barrel, 25 kg/barrel

 

 

 

 

 

If quality problems occur, we will provide a full refund and bear all shipping costs. Send an inquiry now to get at least 10% off, please contact us via WhatsApp or Email us to discuss.

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