Unfortunately, at this point in time we only accept payments for donation ranks using PayPal or straight from your Debit/Credit card (with the use of Stripe). So in short, I'm afraid not. Hopefully this helps.
What he said, but it should also be noted once those funds are in your steam wallet, you can't really do anything outside of steam with them. However, you could possibly come to an agreement with another player to give you a donor rank based on a game you purchase them with your steam funds. I'm unsure if this breaks the rules, but I do know that this may harm them more than it would harm you. I think. Idunno.
You could possibly find someone willing to give you paypal for steam funds, just gotta find the right person.