A series of organosoluble and colorless poly amide imide)s with inherent viscosities ranging from 0.95 to 1.70 dl/g were synthesized from diimide diacid I and various aromatic diamines by the direct polycondensation using triphenyl phosphite and pyridine as condensing agents.
The poly azomethine ether)s were prepared by solution polycondensation using 4,4′-diformyl-α,ω-diphenoxydecane, 4,4′-diformyl-3,3-methoxy-α,ω-diphenoxydecane with various diamines.
Two new thermally stable polyphosphonates were prepared from dichlorophenyl phosphine oxide and bisphenols with pendant heterocyclic ring by interfacial polycondensation using a phase transfer catalyst at 0°C.
Polyphosphoramide esters containing a photo-sensitive bisbenzylidene group in the main chain were synthesized from 2,7-bis(4-hydroxy-3-methoxybenzylidene) cycloheptanone with various N-arylphosphoramidic dichlorides by interfacial polycondensation using a phase transfer catalyst.
A new class of photo-crosslinkable flame retardant arylphosphate ester polymers based on diarylidenecycloalkanone groups has been synthesized by polymerizing 2,5-divanillylidene cyclopentanone and 2,6-divanillylidenecyclohexanone with various arylphosphorodichloridates by interfacial polycondensation using a phase transfer catalyst.
Furthermore, a series of soluble fluorinated poly amide-imide)s (VIa–h) were synthesized from reacting either the NMpoly amide-imideMP) or dry/non-solVIa h IV were an equivalent amount of diaminesynthesized polycondensation using triphenyl phosphate and pyridine as condensing agents.
Two optically active poly menthoxycarbonylphenyleneethynylene)s were synthesized by polycondensation using a palladium copper catalyst system.
New poly(pyrimido[5,4-d]pyrimidine-2,6-diyl pyrimido[5,4-d]pyrimidine-2,6-diyl pyrimido[5,4-d]pyrimidine-2,6-diyl pyrimido[5,4-d]pyrimidine-2,6-diylhalogenative PPympymdensation using a zerovalent Ni complex.
A new three-dimensional hyperbranched polymer with 4- 2-cyano-2-methoxy-carbonylvinyl)aniline as a second-order nonlinear optical chromophore has been synthesized starting from 4- 2-cyano-2-methoxy-carbonylvinylline and cyanoacetic acid by a one-pot Knoevenagel polycondensation using 4- 2-cyano-2-methoxy-carbonylvinyle.
The resulting monomer, 4-[ 4-cardanyl)azo]benzoic acid (I) was polymerised by self-polycondensation using thionyl chloride and pyridine to get poly[4-[ 4-cardanyl)azo]benzoic acid] (III).
