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What are the monomers of novolac and bakelite? Whatis the differencebetween the two ? Whatare theiruses ? |
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Answer» Solution :Monomers for both the polymers are phenoland FORMALDEHYDE. Navolic: Thereactionstarts with the initial FORMATION of `o^(-)` and / or p- hydroxymethylphenol derviative whichfurther REACT to from compoundshavingringsjoined togetherthrough -`- CH_(2)` group.  Uses : Novolaci is used in PAINTS . Novolac on heating withformaldehydeundergoescross linkingto from an infusiblesolid mass called bakelite .  Uses : Bakeliteis usedfor makingcombs , phonograph records , electrical switches and handlesof variousuntensils . |
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