4HBA

4HBA, with a primary hydroxyl group at the end of a longer alkyl chain, gives excellent scratch resistance due to its high crosslinking ratio and unique flexibility

CASNo.：
2478-10-6
TSCA：
Listed

Shinryo Corporation「4HBA」[Open in a new window]

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Characteristics

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  • 4HBA is the acrylic ester which has a hydroxyl functional group and a double bond group in the molecule.
  • Various vinyl monomers can be copolymerized with 4HBA.
  • Polymers co-polymerized with 4HBA achieve a higher crosslinking ratio with curing agents.

Applications

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  • Paint and coating materials (excellent scratch resistance, mechanical properties, and acid rain resistance )
  • Waterborne coatings.
  • Powder coatings.
  • UV/EB curable composition
  • Adhesives
  • Pressure sensitive adhesives（PSA）

Properties

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Appearance Clear liquid
Formula C7H12O3
Mol. weight 144.2
Specific gravity (20/4°C) 1.041
Boiling point ca.230℃
Freezing point -112℃
Viscosity　(25℃） 10.2cps mPa･s
Tg（homo-polymer） -40℃
Solubility in water in organic solvents Completely soluble Miscible
Refractive index 1.4520

Packing

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200-kg drum
18-kg can

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