Composition and method for improving the storage stability of po

Details Composition and method for improving the storage stability of po Composition and method for improving the storage stability of po

1993-05-10

1995-02-28

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 59, 524 64, 524 68, 524 69, 524 70, 524705, 524579, 524487, C08L 9500, C08L 2324

Patent

active

053938119

ABSTRACT:
This invention relates to a composition and method for improving the storage stability of an asphalt that contains a higher molecular weight polymer having a number average molecular weight of at least about 10,000 which comprises adding a storage stable improving amount of a polymerized alpha-olefin prepared from an alpha-olefin of the formula ##STR1## where R is C.sub.6 to C.sub.50 alkyl, R.sup.1 is hydrogen or C.sub.6 to C.sub.50 alkyl, wherein the polymerized alpha-olefin has a number average molecular weight of from about 500 to 5,000 and is characterized in that it has a congealing and melting point which is essentially no higher than the congealing and melting point of the alpha-olefin from which it is prepared.

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