Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-09-28
1984-02-21
Griffin, Ronald W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
106277, 2523115, 524 59, 524270, 524274, B01J 1300, C08L 9500
Patent
active
044330847
ABSTRACT:
A high-float rapid-setting emulsion comprised of asphalt, tall oil, tall oil derivatives or mixtures thereof, copolymer selected from the group consisting of a styrene-butadiene-styrene block and styrene-isoprene-styrene block, petroleum distillate, water, and strong base. In addition, methods of manufacturing a high-float, rapid-setting emulsion including a first method comprising mixing asphalt with tall oil, tall oil derivatives or mixtures thereof, and combining and mixing said mixture with treated water comprising tall oil, tall oil derivatives or mixtures thereof, strong base, and water. A second method comprises mixing asphalt with reacted tall oil, tall oil derivatives or mixtures thereof, said reacted tall oil, tall oil derivatives or mixtures thereof comprising tall oil, tall oil derivatives or mixtures thereof, reacted with a strong base, and mixing and combining the asphalt-reacted tall oil, tall oil derivatives or mixtures thereof mixture with treated water comprising tall oil, tall oil derivatives or mixtures thereof, strong base, and water. A third method comprises mixing asphalt with treated water comprising tall oil, tall oil derivatives or mixtures thereof, strong base, and water. A fourth method comprises mixing asphalt, copolymer selected from the group consisting of styrene-butadiene-styrene block and styrene-isoprene-styrene block, petroleum distillate, and mixing and combining the asphalt, copolymer, petroleum distillate mixture with treated water comprising tall oil, tall oil derivatives, or mixtures thereof, strong base, and water.
A rapid-setting emulsion used primarily in surface treatments, such as chip seal coats, also possesses high-float properties normally found in medium-setting grades of emulsions. A method for preparation involves modifying the asphalt cement prior to emulsification, and then emulsifying with an emulsifier or agent normally used to manufacture rapid-setting emulsions such as ASTM D-977 RS-1 and RS-2 grades.
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Guerin Michael N.
Ostermeyer Larry F.
Griffin Ronald W.
K. E. McConnaughay, Inc.
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