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Which polymer additives are added to improve flexibility?

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in Engineering Material & Metallurgy by (773k points)
Which polymer additives are added to improve flexibility?

(a) Lubricants

(b) Plasticizers

(c) Stabilizers

(d) Reinforcements

I got this question in an international level competition.

This intriguing question originated from Polymers and Polymerization, Polymer Additives in chapter Non Metallic Materials of Engineering Material & Metallurgy

1 Answer

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The correct option is (b) Plasticizers

To explain I would say: Plasticizers are polymer additives which improve flexibility, ductility, and toughness of a polymer. They reduce hardness and stiffness of the polymer and increase the flow during the molding operation. Commonly used plasticizers are polyvinyl chloride and acetate copolymers.

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