Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1998-10-07
1999-11-09
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
1061644, 1061645, 1061646, 106277, 524 59, 524 68, C08L 9500
Patent
active
059816325
ABSTRACT:
Product and method for making an asphaltic emulsion enjoying the weather-resistant and durability advantages of a fully-oxidized asphaltic base. Preferred compositions according to the invention comprise a fully-oxidized asphalt having a softening point of between about 110.degree. F. and about 160.degree. F. and a slurry, the slurry comprising water, a colloidal clay (preferably bentonite clay), barium chloride, and citric acid. Optionally sodium dichromate, fillers such as cellulose fibers, and biocidal agents are added as well. The method for making such asphalts comprises oxidation of a flux asphalt in an air still, preparation of the slurry, and combination of the oxidized asphalt and the slurry in a high speed mixing machine such as a colloidal mill.
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Garrison David L.
Marguardt Matthew J.
Szekely Peter A.
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