We need context to be able to answer this.
These are two different categories of plastics, but what do you mean by "mixed"? Mixed where, and mixed how?
It is not the best option . Always use polyurethane on polyurethane , acrylic on acrylic and etc ; Is even important to use them of the same brand .
What is Acrylic Urethane? What makes it different from Acrylic enamel and Urethane or Polyurethane paint? How does it compare in terms of application and especially hardness to the other two types?
Yes, both oil and water-based polyurethanes will adhere well to an item coated with acrylic paint. If it is a polyurethane paint, dull the surface prior to painting. If it is a clear. realize that that oil based polyurethane will impart an amber hue while a water based polyurethane is crystal clear and will not affect the color.
If you are trying to protect a design, use three coats of acrylic polyurethane. If you are trying to repaint a chair that has been coated with acrylic paint, use acrylic paint again.
No, it's used to thin and clean polyurethane and acrylic resins.
Epoxy and polyurethane can be mixed. An epoxy and polyurethane coating system is often used in the marine industry to protect against the weather.
They are different types of plastics and acrylic is typically used to make clear sheets like Perspex, Plexiglas, Lucite and aircraft canopies. Polyurethane is more flexible and typically used in layup resins with Fibreglass to make boat hulls and car bodies.
It varies: watercolor, oil, acrylic, mixed, ...
I have always used 'polyurethane' to solidify my acrylic painting projects. My reasoning was to add a 'protective' covering and the wood pieces have lasted for several years and all were gifts to my grandchildren. corino
Acrylic paints are powdered colour that is mixed with a clear acrylic medium. It is insolvent once dry.
If you mean an oil based polyurethane, no, it will dry too hard and will chip off over time and normally isn't meant for exterior work. A better option would be to use a 100% acrylic clear polyurethane, paint or solid stain. They are adhesive enough to adhere to vinyl fencing or decking and will flex during freeze/thaw cycles.
Mixed media acrylic.