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US 12,403,455 B2Granted
Catalytic hydroconversion of polypropylene-based plastic waste to lubricant base-oils
AssigneeUniversity of Delaware
InventorsDionisios G. Vlachos, Sibao Liu, Brandon Vance, Cong Wang, Pavel Kots
Life of this patent
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Abstract
The present disclosure provides a process for converting plastic comprising a polyolefin polymer to a lubricant. The process comprises contacting the plastic with a catalyst represented by A/[RmQn].
Claims27
A process for converting plastic comprising a polyolefin polymer to a lubricant, comprising contacting the plastic with a catalyst represented by the Formula (I):
- A/[RmQn] (I),
- at a temperature between about 200° C. and about 400° C.;
- wherein
- A is a metal selected from a group consisting of ruthenium, rhodium, osmium, platinum, palladium, nickel, cobalt, tin, iron, copper, and a combination thereof;
- [RmQn] is a supporting material;
- wherein
- R is selected from a group consisting of carbon (C), silicon (Si), aluminum (Al), cerium (Ce), titanium (Ti), tungsten (W), zirconium (Zr), and a combination thereof;
- Q is absent or oxygen;
- m is 1, 2, or 3;
- n is 1, 2, 3, or 4;
- and
- the symbol “/” means that the moiety A is deposited on the moiety [RmQn].
9 more elements
Dependencies are inferred from the claim text.