HelloBradyunch, it sounds you're in an unfortunate situation and although I'm not qualified to say, I can say that the divorce laws need to be changed and this will only happen as soon as a politician in authority becomes involved themselves.
As she hasn't signed the divorce papers what you can do is file a Petition for Dissolution of Marriage with the courts and can be done without her signature and if you copy and paste this 'can you get married if the ex hasn't signed the divorce paper', then there will be information for you to read.
A judge will file a default hearing on your uncontested divorce and there is only a limited time to contest this divorce and if nothing is done, then this will eventually happen by the court, unfortunately, it's another cost but you will achieve what you're looking for.
Geoff.