Which of the following statements are correct about phenol-formaldehyd – InterviewSolution

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1.	Which of the following statements are correct about phenol-formaldehyde resin?
Answer» NOVOLAC or resol is a linear polymer and is used in the manufacture of adhesive. Bakelite is a cross-linked polymer and is used in making switches and plugs. Novolac is preparede when `(P//F)` (phenol//formaldehyde) RATIO is greater than 1, Whereas bakelite is prepared when `(P//F)` ratio is less than 1. Novolac is prepared when `P//Flt1` , and bakelite is prepared when `P//F`GT1` . Answer :A::B::C

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