Hello Life16, welcome.
I am very sorry to hear that your daughter refuses to talk to you, it must be extremely painful for you.
Unfortunately this site offers support to those who are or were in a relationship with someone with BPD. Many of the posts on this site could be triggering to someone with BPD. There are resources of the type that you are seeking:
Resources for visitors with BPD
https://bpdfamily.com/message_board/Themes/default/welcome3.htmlI wish you all the best and truly hope that you find the help that you are looking for x