Hi Jpeg, I think you can do this in one of two ways:
Firstly, you could consider a NC message - though I defer to the wisdom of Mr Bond on that one if he thinks it isn't the best way forward. If you do it, you need to be prepared to follow it through. Doing it and caving in, is worse than not doing it.
The other way is just to show your H that you don't intend to keep in touch with him by your actions. I don't think you can go entirely NC if you have kids and business matters to still attend to. However, you can avoid any response to non-essential comms (ILYs, I miss you's etc...)
Also, never go NC to provoke a reaction - do it because it represents the best way forward for you, given all circumstances. But do wait and hear what others think - it's an important decision.
Xx
T 13 M 7 Me 48 H 46 SS 15 BD 7.14 PA D final 5.16 (H filed)
We receive & we lose, and must try to achieve gratitude & embrace with whole hearts whatever of life that remains after the losses - Dubus