Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Patent
1974-07-29
1977-09-06
Derrington, James H.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
174110SR, 174110PM, 264211, 264349, 427120, 427358, 428379, B29F 310
Patent
active
040468496
ABSTRACT:
A method of compounding thermoplastic polymeric material and fillers, including additives and agents, and unique compounded products. The compounding method comprises mixing the thermoplastic polymeric material in particulate form with particulate filler, and in progressive sequence melting the surface portion of the thermoplastic particles, blending the filler with said molten surface portion of the thermoplastic particles and removing the resultant blended melt and filler from the surface of the thermoplastic particles. The mixing and melting, and the blending and removing, are continued until the filler is substantially assimilated into the polymeric material and the thermoplastic particles become substantially diminished by melting and blending, or the method can be carried further if desired. The compounded product thus prepared is characterized by a distinctive stratified consistency.
REFERENCES:
patent: 3148169 (1964-09-01), Martens et al.
patent: 3372139 (1968-03-01), Behr
patent: 3736173 (1973-05-01), Okada et al.
Lever Ray Clarence
Wilkus Edward Vincent
Derrington James H.
General Electric Company
Neuhauser F. L.
Schlamp P. L.
Simkins R. G.
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