The common name special deal with plexiglass. Acrylic research and development has a history of more than one hundred years. In 1872, the polymerization of acrylic acid was discovered; in 1880, the polymerization of methacrylic acid was known; the synthesis of propylene polyacrylate was completed in 1901; industrial synthesis was attempted in 1927 using the aforementioned synthesis method; methyl oleate industry in 1937 Successfully manufactured and developed, and thus entered the scale of manufacturing. During the World War II, due to its excellent toughness and transparency, Acrylic was first applied to the windshield of the aircraft and the field of view of the tank driver's cab. The birth of the world's first acrylic bathtub in 1948 marked a new milestone in the application of acrylic.