copolymer of 1,3-butadieneand styrene obtained by the polymerisation methyl methacryalate INITIAL product obtained in the condensation of phenol and formaldehyde in the presenceof ACIDCATALYST obtained by the polymerisation of CAPROLACTUM
SOLUTION :Novolacis the initial product of the condensation reaction between phenol and fomaldehyde in the PRESENCE of acid catalyst.