Method of mixing materials of construction with minor amounts of

Details Method of mixing materials of construction with minor amounts of Method of mixing materials of construction with minor amounts of

1978-02-27

1980-10-14

Silverberg, Sam

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

427222, 106308M, 106282, 260 23, C08L 9500

Patent

active

042280524

ABSTRACT:
Pre-stressed polyethylene foil is shredded mechanically in a closed vessel, whereby it is heated until it shrinks and its surface becomes tacky. When latex is sprayed into the vessel, a thin rubber layer covers each foil fragment and is thermally welded to the polymer surface. The rubber layer traps pockets of aqueous latex in voids of the shrunken foil. The weight and bulk of the resulting material are much greater than the corresponding properties of its rubber content so that precisely measured amounts of rubber may be dispersed quickly and uniformly in hot asphalt for improving the properties of a road surface made from the asphalt mixture. The water content of the rubber-coated plastic fragments improves the working properties of the asphalt mixture.

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