Buying Debt and Getting a Business Loan Against It?

Is it possible to start an LLC, seed it with some money (say $100,000), and then go buy a 2/yr T-Bill from Uncle Sam as a business et. Then go to a bank and get a loan for 80% of that TBill (ie: $80,000).. Thus on paper having a business with $180,000 in ets and $80,000 in liabilities?