Not effectively, as the playdoh is pliable and when you touch it or move it the super glue will loosen up and fall off.
There are as many different kinds of plastic as glues. Pleas specify which plastic.
AS there is no single plastic, there is no single glue used to stick plastic. Many different plastics use many different glues.
Depends on the type of plastic. Many plastics have glue made from their solutions. Some can be partially dissolved and joined together by the right chemical, some needs to be prepped with an etching agent to get a glue to stick to them.
Paul E. Cope invented Thermo plastic glue also known as "Hot Glue" it is used in Hot Glue guns.
A good glue you can use for soft plastic which is a flexible material is Gorilla Glue.
You can play with play dough.
Isopropyl will remove only elmers glue from plastic, not super glue. once it gets on there, you can't remove it.
plastic (polymer)
No plastic is used as glue, though some components may be the same in each other.
Any super glue will bind hard plastic.
if it is a plastic model kit you can use super glue, but not wood glue.
The new Elmer's Spray Glue is very good for that.
Araldite is not made from plastic.
With a plastic joiner