If the doors have laminate edges that have come loose peel those back first and then peel back the facing.
Laminate kitchen doors peeling.
Lay the door flat and peel back the laminate with your fingers as far as it will go.
If the laminate isn t peeling lift the edge from one of the doors to get a look at the underlying material.
After sanding and wiping everything with a tack cloth i spray primed the cabinet parts with my favorite kilz primer here.
1 if the peeling is substantial use the utility knife and hand scraper to gently remove the laminate from the substrate.
Peeled and cracked remove the door by unscrewing it from the hinges and unscrew the hardware if there is any setting the pieces aside.
It works so much better than any of the other wood fillers.
Your plan to peel the laminate from the cabinets is likely the result of the fact that it has already started to peel and that should tell you the nature of the substrate.
You can do the following steps with the door or panel on but if you can unscrew it from the cabinet you might find that working with it can be much less awkward.
Don t disturb any glue bonds that you can t separate with reasonable force.
Use a flammable grade.