Question

What is the monomer and polymer of acrylic fibres ?

Answer 1

Acrylic fibers are synthetic fibers made from a polymer (polyacrylonitrile) with an average molecular weight of -100,000, about 1900 monomer units. 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.

Explanation:

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Answer 2

Acrylonitrile and poly-acrylonitrile are the monomer and polymers of acrylic fibers, respectively.

• Acrylic fibers are artificial synthetic fibers created by humans from the polymer poly-acrylonitrile. This fiber's monomer is acrylonitrile. Generally speaking, fiber is only referred to as acrylic if at least 85% of its polymer chain is made up of poly-acrylonitrile. Vinyl acetate or methyl acrylate are the other co-monomers employed in the production of acrylic fibers.

• Modacrylic, a modified acrylic fiber with at least 35% and a maximum of 85% acrylonitrile, is a different kind of acrylic fiber. Vinyl bromide or vinylidene chloride is employed. The fiber is fire-resistant thanks to these compounds.

• The warmth, softness, and lightness of acrylic fibers mimic those of wool. It is less expensive than natural fibers.

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