What is 'hydroxyl acrylic resin'? What role does it play in two-component polyurethane (2K PU) coatings?

Which type of acrylic resin is best suited for making high-gloss automotive refinish paints?

Are there any bio-based acrylic resins currently on the market? What are their VOC emission standards?

What other resins (such as epoxy and alkyd) can acrylic resins typically be blended with?

In floor coating applications, how should acrylic and epoxy resins be traded in terms of abrasion resistance and yellowing resistance? [Image showing performance comparison chart of Acrylic vs Epoxy vs Polyurethane resins]

I want to produce non-yellowing varnishes; what key indicators of acrylic resins (such as color and acid value) should I focus on?

What are the differences in batch stability between high-quality acrylic resins produced in China and similar products from Allnex or BASF? While modified acrylic resins (such as silicone-modified ones) are more expensive, how much do they improve service life in terms of corrosion resistance?

What are the solubilities of this solid resin in xylene, butyl acetate, and alcohol? Is there any residual odor?