styrene copolymers, respectively. An example of a gelular resin is Amberlyst-121 (sulfonated, 4% divinylbenzene-crosslinked polystyrene resin) available commercially from the Rohm and Haas Company. An example of a macroreticular resin is Amberlyst-15 (sulfonated, 20% divinylbenzene-crosslinked polystyr...
The composition is useful for forming articles. Suitable methods of forming articles from the composition include single layer and multilayer sheet extrusion, injection molding, blow molding, film extrusion, profile extrusion, pultrusion, compression molding, thermoforming, pressure forming, hydroforming, vac...
(e.g., Lexan®, commercially available from General Electric Company, GE Plastics, Pittsfield, Mass.). The polycarbonate melt is fed to a profile die that is capable of forming an extrudate having the cross-section of the multiwall panel10illustrated in FIG. 1. The multiwall panel10travels...
sufficient power to pump, agitate and stir the high temperature, amorphous polyphenylene ether sulfone and polyetherimide melt which may be very viscous. Suitable devolatilization apparatuses include, but are not limited to, wiped films evaporators, for example those made by the LUWA Company and devo...