Synthesis and characterization of cardo co polyester of 9,9' -bis( 4-hydroxy phenyl) anthrone-10 and 1,1'-bis(R,4-hydroxy phenyl) cyclohexane with terephthaloyl chloride

Department of Chemistry, Saurashtra University, Rajkot-360 005, India E-mail : phparsania@sancharnet.in Manuscript received 20 August 2003, revised 24 February 2005, accepted 23 March 2005 Cardo copolyesters of (50 : 50 mole compositions) 9,9'-bis(4-hydroxy phenyl) anthrone-10 and 1,1'-bis (R,4-hydroxy phenyl) cyclohexane with terephthaloyl chloride (CP-1 : R = H and CP-2 : R = CH3) have been synthesized by interfacial poly-condensation technique by using water-chloroform as an interphase, alkali as an acid acceptor and sodium lauryl sulfate and benzyl dimethyl hexadecyl ammonium chloride as mixed emulsifiers at 0°C for 4 h. Cardo copolyesters are characterized by IR and NMR spectral data, viscosity, chemical resistance and density. CP-1 and CP-2 possess excellent solubility in common solvents and hydrolytic stability and good thermal stability (345-350°C)