glue for acrylic
The best solvent glue for all acrylic materials is methylene chloride. This is what the professional shops use and can be purchased from plastics suppliers.
Be careful with it though. Methylene chloride is a known carcinogen and should be used with proper PPE and preferrably in a ventilated area if you are using very much or working for a longer period of time. Like any other hazardous material (including CA) it is safe if used properly.
By the way, since I mentioned CA, you need to be careful with it as it is a known sensitizer. This means that the more you use it, the more you become sensitized to the affects of the material. It does cause irritation and burning of the eyes and mucuos membranes (in your nose and throat) and can cause respiratory problems from simple difficulty in breathing (stuffy nose) to to a full fledged asthma attack. Everyone is affected differently, but it is especially bad for people with existing respiratory ailments like asthma.