Method of making a suspension of a filler for rubber mixtures
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United States of America Patent
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Oct 12, 1982
Grant Date -
N/A
app pub date -
Jan 7, 1981
filing date -
Jan 7, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method comprises mixing polymeric materials containing a filler with a hydrocarbonaceous solvent in a ratio of from 1:0.5 to 1:60 parts by mass. The above mixture is isothermally heated to provide for a thermal decomposition of the polymeric materials and for a thermal decomposition of the polymeric materials and for a formation of a suspension. Low-boiling fractions are distilled from the formed suspension in the presence of an inert gaseous agent at a temperature of 50.degree. to 400.degree. C. and at a pressure of 1.multidot.10.sup.2 to 1.multidot.10.sup.5 n/m.sup.2.
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