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      Maleic Anhydride Grafted Polypropylene

      Maleic anhydride grafted polypropylene (PP-g- MAH)  Lushan series is evaluated as compatibilizer/coupling agent which is used to fill or reinforce polypropylene. As the coupling agent, PP-g- MAH can significantly improve the filled or enhanced PP's mechanical properties and heat resistance. At the same time, the introduction of polypropylene molecular chain polar groups could significantly improve PP’s shading ability.
       
      Maleic Anhydride Grafted Polypropylene Usage
      1,     As compatibilizer/coupling agent for polypropylene filled with glass fiber or mineral: maleic anhydride grafted polypropylene has a high polarity. As long as adding a small amount (4%), it can significantly improve interface bonding strength between PP and the glass fiber, talc, mica and other inorganic fillers. Modified polypropylene's tensile strength, bending strength and impact strength have been improved significantly.
      2,      As compatibilizer/coupling agent for PA / PP, PA / PE alloy: to improve the processing of nylon, impact resistance, lower water absorption and products dimensional stability.
      3,    Improve coating and painting/ shading properties for polypropylene.
       
      Maleic Anhydride Grafted Polypropylene Structure Features Examples:
      IR spectrum contrast between compatibilizer Lushan PR-3 and Polypropylene.

       

       

      Maleic Anhydride Grafted Polypropylene Application Effectiveness:

      Typical value of polypropylene resin and fiber glass reinforce:
       Item Unit PP+GF30% PP+ GF30%+4%   PR-3 
       Tensile strength MPa 41 80
       Bending strength  MPa 70 130
       Notch impact strength kJ/m² 6.5 12
      These are typical properties and not intended as specification.
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