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TODI-based Polyurethane Elastomers For High-temperature Resistance

Categories TDI MDI Polyurethane
Brand Name: EXCEEDCHEM
Model Number: TODI
Certification: ISO9001:2018
Place of Origin: China
MOQ: 20mt/20ft
Price: To be negotiated
Payment Terms: L/C,T/T
Supply Ability: 3000mt/month
Delivery Time: 14 work days
Packaging Details: 50 kgs/metal drum
Product Name: 3,3'-dimethylbiphenyl-4,4'-diyl diisocyanate TODI
Appearance: White slice crystal
NCO content: 31.8%
Application: Used to enhance the mechanical and chemical properties of polyurethane elastomers.
Packing: 50 kgs/metal drum
Shelf life: 6 months
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TODI-based Polyurethane Elastomers For High-temperature Resistance

TODI-based Polyurethane Elastomers For High-temperature Resistance


Description

3,3'-dimethylbiphenyl-4,4'-diyl diisocyanate (TODI) is an aromatic diisocyanate used to enhance the mechanical and chemical properties of polyurethane elastomers. Due to steric hindrance, the reactivity of HARTDUR 118 is lower than that of TDI and MDI. TODI-based elastomers can improve various physical properties, such as heat resistance and hydrolysis resistance, and also offer superior mechanical properties for applications under harsh conditions and environments.

Molecular formula: C16H12N2O2


Structural formula:


Physical Properties

Test Item(s)Specification(s)
AppearanceWhite slice crystal
CAS No.91-97-4
Molecular Weight (g/mol)264.27
NCO Content (%)31.8
Melting Point (°C)69 ~ 71
Density (g/cm3, @20°C)1.12
Total Chlorine Content (%)0.1 max.
Hydrolysable Chlorine Content (%)0.01 max.
Purity (%)99 min.


Package

50 kgs/metal drum
Storage

Keep dry and store at 5 ~ 32°C.


Shelf Life

6 months since production date.




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