CURING REACTIONS IN ACETYLENE-TERMINATED RESINS .5. CYCLOTRIMERIZATION VERSUS LINEAR POLYENE FORMATION IN THE CATALYZED CURE OF ETHYNYLARYL-TERMINATED MONOMERS
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DOUGLAS, WE
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
DOUGLAS, WE
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OVEREND, AS
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
OVEREND, AS
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[1] KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
Structural differences in the polymers obtained by catalysed cure of the ethynylaryl-terminated monomer [1,4-(1,3-HC=CC6H4CH2O)C6H4]2CMe2 (1) could not be detected by IR or NMR spectroscopy. However, a study of the solvent-free catalysed polymerization of the model monomer, phenylacetylene, showed that the extent of cyclotrimerization decreased in the order (eta-CP)CO(CO)2 much greater than (eta-Cp)2Ni almost-equal-to (PPh3)2NiCl2 much greater than (PPh3)2PdCl2 with an accompanying increase in the degree of linear polyene formation, suggesting that this is so also for the catalysed cure of 1.
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
DOUGLAS, WE
OVEREND, AS
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
DOUGLAS, WE
OVEREND, AS
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
DOUGLAS, WE
OVEREND, AS
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND
DOUGLAS, WE
OVEREND, AS
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KINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLANDKINGSTON POLYTECH,DEPT IND ORGAN & POLYMER CHEM,KINGSTON THAMES KT1 2EE,SURREY,ENGLAND