01095nas a2200229   4500008004100000022001400041245007300055210006800128260008600196300001800282490000700300520024800307653000600555653002500561653003900586653002700625653002300652653004800675100002100723700001400744856010700758       2009                        eng d  a1060-132500aPoly(amide-imide)-silica gel hybrids: synthesis and characterization0 aPolyamideimidesilica gel hybrids synthesis and characterization  a325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USAbTAYLOR & FRANCIS INCcMAY  aPII 9097392480 v463 a<p>{Several poly(amide-imide)-silica gel hybrids containing metal salts were prepared by the sol-gel reaction. Poly(amide-imide)s were prepared by low temperature polycondensation reaction of trimellitic anhydride (TMA) and diisocyanates [</p>10a210a4-diphenyl thiophene10a5-Bis(4-carboxymethylene phenyl) 310apoly(amide-hydrazide)s10aThermal properties10aYamazaki's phosphorylation polycondensation1 aAvadhani, C., V.1 aChujo, Y.  uhttps://library.ncl.res.in/content/polyamide-imide-silica-gel-hybrids-synthesis-and-characterization-0