Polymer alloy material and process for production thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having a nitrogen atom directly bonded to the...

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528422, 528502, 528503, 525191, 525232, 525233, 525234, C08G 7300

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053670485

ABSTRACT:
A polymer alloy material is produced by a process including the step of heating a powdered precursor material comprising polymer particles having an average particle size less than about 1000 .mu.m to a temperature less than the melting point of the polymer at a pressure of at least about 5 MPa to produce the polymer alloy material. Preferably the powdered precursor material is produced by mechanically milling a polymer to provide a powdered precursor material having an average particle size in the range of from about 0.5 .mu.m to about 200 .mu.m. The invention is particularly suited for processing a single polymer or a mixture of two or more polymers which are otherwise difficult to process at a temperature less than the melting point of the polymer.

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Calgary-Herald, "This plastic shrugs at nuclear blasts," Wednesday, Apr. 14, 1993, p. A3.

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