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Later, M-80s were manufactured as consumer fireworks made from a small cardboard tube, often red, approximately 1 + 1 ⁄ 2 inches (3.8 cm) long and 9 ⁄ 16 inch (1.4 cm) inside diameter, with a fuse coming out of the side; this type of fuse is commonly known as cannon fuse or Visco fuse, after a company responsible for standardizing the product.
Polymethyl methacrylate is the clear break-resistant sheeting sold as acrylic glass (or simply acrylic sheet) or under the trade name Plexiglas, Perspex, etc. Polyacrylates are used in cosmetic products as rheology modifiers and film formers, and these are typically polymers of acrylic acid fluids.
The 18 cm kurze Kanone M 80 (short cannon) was a heavy siege howitzer used by Austria-Hungary during World War I.Designed to replace the M 61 series of siege guns the M 80 family of siege guns offered greater range and armor penetration than the older guns.
AMPS is made by the Ritter reaction of acrylonitrile and isobutylene in the presence of sulfuric acid and water. [2] The recent patent literature [3] describes batch and continuous processes that produce AMPS in high purity (to 99.7%) and improved yield (up to 89%, based on isobutene) with the addition of liquid isobutene to an acrylonitrile / sulfuric acid / phosphoric acid mixture at 40°C.
In most of the cases, 10% amounts of other vinyl comonomers are also used (1–10%) along with AN depending on the final application. Comonomers include acrylic acid, acrylamide, allyl compounds, and sulfonated styrene. [2] Anionic polymerization also can be used for synthesizing PAN.
Modacrylic fibers are modified acrylic fibers made from acrylonitriles, but larger amounts of other polymers are added to make the copolymers. The modacrylic fibers are produced by polymerizing the components, dissolving the copolymer in acetone , pumping the solution into the column of warm air (dry-spun), and stretching while hot.