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Filtration

polymers_filtration

Needle-punched nonwoven material is often used in filters. Rheology is an important property for the coating/binder as viscosity must allow good penetration and bond. Many filter applications also benefit from resistance to water as well as oil and other chemicals.

Rovene® 4021 is a good carboxylated styrene-butadiene latex for this type of application. Hydrophobic, and with some adhesion, it also provides a good combination of elasticity and strength.

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ACRYLIC EMULSION

  • Polymer
  • Solids (%)
  • Viscosity (cps)
  • Tg (°C)
  • Rovene® 6014
  • 45-46
  • 200 Max
  • +30
  • Rovene 6014 is a self-crosslinking acrylic polymer emulsion providing a stiff hand to frothed or saturated substrates.

STYRENE ACRYLIC EMULSION

  • Polymer
  • Solids (%)
  • Viscosity (cps)
  • Tg (°C)
  • Rovene® 6017
  • 44-46
  • 100 Max
  • +35
  • Rovene® 6017 is self-crossing linking styrene-acrylic emulsion polymer recommended for bonding nonwovens where a firm, durable binder is needed such as highloft webs, interlinings, and medical applications.

CARBOXYLATED STYRENE-BUTADIENE EMULSION

  • Polymer
  • Solids (%)
  • Viscosity (cps)
  • Tg (°C)
  • Rovene® 4021
  • 49-51
  • 750 Max
  • +22
  • Rovene 4021 is a self-crosslinking, carboxylated styrene-butadiene emulsion that has a firm hand with outstanding strength properties. This latex is especially suited for various nonwoven, textile and performance coating applications.

  • Rovene® 4201
  • 49-51
  • 750 Max
  • +40
  • Rovene 4201 is a self-crosslinking, carboxylated styrene-butadiene emulsion that has a stiff or ‘boardy’ hand. This binder is recommended for durable nonwovens such as floor maintenance pads and roof shingle mats, both glass and organic.

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