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Synthesis and characterization of a novel functional monomer containing cyano and propenylphenoxy groups and the properties of its copolymer with bismaleimide (BMI)
Author(s) -
Fang Qiang,
Yu YiHua,
Huang Hao,
Chao QiRong,
Jiang LuXia
Publication year - 2002
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.855
Subject(s) - monomer , benzonitrile , copolymer , toluene , potassium carbonate , polymer chemistry , anhydrous , proton nmr , propenyl , materials science , fourier transform infrared spectroscopy , chemistry , polymer , organic chemistry , chemical engineering , engineering
A novel functional monomer containing cyano and propenylphenoxy groups, 2,6‐di{2‐[( E )‐l‐propenyl]phenoxy}benzonitrile (DPPB) was prepared with high stereospecificity by the reaction of 2,6‐dichlorobenzonitrile and 2‐allylphenol in a mixed solvent system of N ‐methylpyrrolidone (NMP)/toluene in the presence of anhydrous potassium carbonate. The chemical structure of the product was characterized by FTIR, 1 H NMR and 13 C NMR. The monomer was then used to modify a popular commercial bismaleimide, 4,4‐bismaleimidodiphenylmethane (BMDPM), for improving the shear strength of the resin. The results showed that the modified resin could attain 4.7 times the shear strength of neat BMDPM and good heat resistance when the composition of DPPB in the modified resin was 45% (by weight). © 2002 Society of Chemical Industry