Summary
Poly(triethyldipropargylphosphonoacetate) (TDPA), poly[(tetraethyl dipropargylmethylenediphosphonate) (TDMDP) were prepared by metathesis polymerization using transition-metal catalysts. MoCl5-based catalyst systems were more effective for the polymerization of these monomers than WCl6-based catalyst systems. Resulting polymers exhibited good solubility in common organic solvents and could be easily cast on glass plates to give thin films. Third-harmonic Maker fringe technique was used to measure third-order nonlinear susceptibility,x (3), for thin film of poly(TDPA). Thex (3) was evaluated to be 3.4x10-11 esu at incident wavelength of 1.907μm.
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Lee, HJ., Oh, JM., Choi, SJ. et al. Phosphonated poly(1,6-heptadiyne) derivatives prepared by metathesis polymerization for nonlinear optics. Polymer Bulletin 32, 433–438 (1994). https://doi.org/10.1007/BF00587885
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DOI: https://doi.org/10.1007/BF00587885