Toughened polar thermoplastics
 Acrylic impact modifiers for polar thermoplastics such as poly(methyl methacrylate), polyamides, and poly(vinyl chloride) are prepared from emulsion polymer particles with hard methacrylate-rich domains in a continuous polyacrylate network. 
Rohm and Haas Company
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inventional additional inventional
Wen-Long Alan D. Richard M. Samuel J.
Liu Stein Kopchik Makower