What is HPMA? What is its chemical structure?

What key role does acrylic acid play in the production of superabsorbent polymers (SAP)?

What is the key role of Hydroxypropyl Methacrylate (HPMA) in anaerobic adhesives?

How is the dimer content of acrylic acid generated? How does it affect the transparency of downstream polymers? How do the reaction rate constants of acrylic acid and methacrylic acid (MAA) compare in copolymerization?

How does adding HPMA to automotive refinish paints improve the final hardness and gloss of the coating?

Why does acrylic acid freeze below 13°C? Why is there an extremely high risk of explosive polymerization during the thawing process?

What is the T_g value of Hydroxypropyl Methacrylate (HPMA)? How does it affect the flexibility of the copolymer?

As a hazardous chemical, what class of dangerous goods is acrylic acid classified for in international maritime transport? What are the specific packaging requirements?