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Functional ResinsDimer Acid based Polyester "TL Series"

Image of Dimer Acid based Polyester "TL Series"

They are naturally-derived dimer acid based polyester.They can generate urethane resins which have good water repellency and flexible properties by combining with various isocyanate.

Features

There are polyester polyol generated from naturally-derived dimer acid.
Owing to dimer acid's hydrophobicity and flexible properties,we can gain urethane resins with water resistance, water repellency, hydrolysis resistance,and flexible characteristics.

Applications

Image of Applications

Elastomer, foam, systhetic leather, paint, adhesives, etc.

Properties

Item Unit TL
2456 2457 2458 2470
Hydroxyl value KOHmg/g 120~130 174~194 70~75 78~82
Acid KOHmg/g <1
Viscosity mPa·s/40ºC 2,500~4,000 4,500~7,000 5,800~7,500 4,000~7,500
Color Gardner color scale <12 <10
Moisture % <0.1 <0.05
Mn Number-average 2,000 1,600 2,500 2,300

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