Question

Short note on acrylic

Answer 1

Acrylic, any of a broad array of synthetic resins and fibres that are based on derivatives of acrylic and methacrylic acid. Both acrylic acid (CH2=CHCO2H) and methacrylic acid (CH2=C[CH3]CO2H) have been synthesized since the mid-19th century, but the practical potential of materials related to these compounds became apparent only about 1901, when German chemist Otto Röhm published doctoral research on polymers of acrylic esters. Beginning on a commercial basis in the 1930s, esters of acrylic acid were polymerized to form the polyacrylate resins, which are now important constituents of acrylic paints, and methacrylic acid esters were polymerized to polymethyl methacrylate, a clear plastic sold under trademarks such as Plexiglas and Perspex. In 1950 Orlon, the first commercially successful acrylic fibre, was introduced by E.I. du Pont de Nemours & Company .Acrylic and modacrylic fibres are based on polyacrylonitrile.

Answer 2

Acrylic fibres are synthetic fibres based on linear polymer PAN; the building block of this polymer is a monomer with the formula CH 2 CHCN...

*Acrylic fiber fabrics are made from a synthetic polymer called acrylonitrile...

*This type of fiber is produced by reacting certain petroleum or coal-based chemicals with a variety of monomers, which means that acrylic fabric is a fossil fuel-based fiber.

*For a fiber to be called "acrylic" in the US, the polymer must contain at least 85% acrylonitrile monomer. Typical comonomers are vinyl acetate or methyl acrylate.

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