Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1994-03-15
1996-07-30
Yoon, Tae
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524538, 524539, 524602, 525132, 525425, 525436, 525437, 525439, 525444, 525448, 525537, C08L 6700
Patent
active
055412408
ABSTRACT:
Blends of thermotropic liquid crystalline polymers and isotropic melt-processable polymers are made by extruding a molten stream of either a thermotropic liquid crystalline polymer or an isotropic polymer through a heated mixing zone and feeding the other of the two polymers into the stream of the first polymer in the mixing zone. The polymers are mixed under shearing conditions for a time sufficient to yield a uniform blend. Blends made according to this method exhibit improved properties in comparison with blends obtained by feeding the two polymers simultaneously into a heated mixing zone.
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Lundberg George L.
Makhija Subhash
Stamatoff James B.
Hoechst Celanese Corp.
McGinnis James L.
Yoon Tae
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