Multiple choice

Which of the following pairs represents epoxy resins?

  1. BPF, EPN

  2. PVAc, BPF

  3. EPN, PVA

  4. PVA, PVAc

  5. BPA, PVA
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A Correct answer
Explanation

Epoxy resins, also known as polyepoxides are a class of reactive prepolymers and polymers, which contain epoxide groups. Epoxy resins may be reacted (cross-linked) either with themselves through catalytic homopolymerisation, or with a wide range of co-reactants including polyfunctional amines, acids (and acid anhydrides), phenols, alcohols, and thiols. Examples are- Bisphenol A (BPA), Bisphenol F (BPF), Epoxy phenol novolac (EPN), etc. Examples of polyvinyl resins are- PVA (poly vinyl alcohol), PVAc (poly vinyl acetate), etc.

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