XIBOND 280

REACTIVE ADDITIVE TO IMPROVE THE BLEND MORPHOLOGY OF POLYMER BLENDS
  • Product Type: SMA Copolymer
  • Master Product Number: MITM13302
  • Product SKUs: ITM20971

Product Details

XIBOND® 280 is a random copolymer of styrene and maleic anhydride. It can be processed using extrusion in all types of regular polymer processing equipment. It is compatible with acrylonitrile butadiene styrene (ABS) resins. It is recommended to use twin screw extruders with a mild screw configuration and vacuum degassing facility for good dispersion in styrenic polymer. Recommended dosage level is 1-5 %.

Typical Applications

XIBOND® 280 acts as a chain extender, compatibilizer, coupling agent, adhesion promoter and surface- & viscosity- modifier. Surface modifier changes the polarity of a product leading to a different surface tension of the polymer matrix and modifies the adhesion properties of the polymer. As a coupling agent it provides low viscosity, improved creep and tensile properties. Compatibilizer optimizes the interfacial tension and morphology against high stresses. The viscosity modification lowers the molding temperature and provides better surface appearance. Chain extender connects polymer chains together to raise the molecular weight, melt strength, processability, flow properties and thickness.
General Properties Unit Value Test Method
Physical Appearance   Granules  
Color   Pale Yellow  
 
Specific Properties Unit Value Test Method
Glass transition temperature ̊C 130 ISO 3146
Molecular weight (Mw) g/mole 5,000 GPC
Acid Value mg KOH/g 480 ASTM D3644
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