Actually, the situation is getting dire for the Catalan independence, not for Spanish. More and more companies are leaving the region, taking away the only reason for the independence.
https://elpais.com/elpais/2017/10/10...62_850506.html
All Rajoy needs to do is to stall. Puigdemont and the Catalan nationalists are managing to destroy the one thing that made them strong, the economy.