1989
DOI: 10.1109/14.90298
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Piezoelectric activity in a copolymer of acrylonitrile and methylacrylate

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Cited by 34 publications
(22 citation statements)
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“…This is in part due to the fact that no amorphous piezoelectric polymers have exhibited responses high enough to attract commercial interest. Much of the previous work resides in the area of nitrile substituted polymers including polyacrylonitrile (PAN) (2 (9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22), poly(vinylidenecyanide vinylacetate) (PVDCN/VAc) (23)(24)(25)(26), polyphenylethernitrile (PPEN) (27,28) and poly(lbicyclobutanecarbonitrile) (29). The most promising of these materials are the vinylidene cyanide copolymers which exhibit large dielectric relaxation strengths and strong piezoelectricity.…”
mentioning
confidence: 99%
“…This is in part due to the fact that no amorphous piezoelectric polymers have exhibited responses high enough to attract commercial interest. Much of the previous work resides in the area of nitrile substituted polymers including polyacrylonitrile (PAN) (2 (9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22), poly(vinylidenecyanide vinylacetate) (PVDCN/VAc) (23)(24)(25)(26), polyphenylethernitrile (PPEN) (27,28) and poly(lbicyclobutanecarbonitrile) (29). The most promising of these materials are the vinylidene cyanide copolymers which exhibit large dielectric relaxation strengths and strong piezoelectricity.…”
mentioning
confidence: 99%
“…Since the dipole moment of the vinylidene cyanide (VDCN) repeating unit -[CH 2 C(CN) 2 ]-is 4.0-4.5 Debye [24,25] in transconformation (which is much higher than the value 1.96 Debye [26] in VDF), a larger piezoelectric constant is possible to be obtained. Therefore, the polymers or copolymers containing the -C:N groups in polyacrylonitrile (PAN) [27][28][29][30], poly(vinylidene cyanide vinylacetate) (PVDCN/VAc) [31][32][33][34], polyphenylethernitrile [35,36], poly(1-bicyclobutanecarbonitrile) [37] and poly(vinylidene cyanide) (PVDCN) [35,38] have drawn much attention in the study of electromechanical transducers, nonvolatile memories and biomedicine benefited as well as their unique feature of low density and low acoustic impedance, which is close to the levels in water and in the human body that makes them very useful in medical applications.…”
Section: Introductionmentioning
confidence: 99%
“…One advantage that PAN has over PVDCN is that the PAN homopolymer is quite stable in ambient conditions [79,80], therefore permitting detailed study of the homopolymer's electroactive properties. Studies of PAN include piezoelectric and pyroelectric response [80,82], dielectric constant [83], and crystal structure [81]. Structural studies performed with x-ray diffraction and NMR [81] indicate that the PAN homopolymer packs in a pseudohexagonal manner with the predominantly planar zigzag chain conformation, analogous to the conformation in the all-trans ferroelectric β-phase found in PVDF.…”
Section: Cyanopolymersmentioning
confidence: 99%
“…Although PAN has proven an interesting system to study, a large amount of work pertaining to the acrylonitrile system has focused on the copolymer system poly(acrylonitrileallylcyanide) [21,82], or P(AN-AL), which is shown in Figure 7b. The introduction of the co-monomer into the PAN structure appears to increase the internal mobility of the monomers [21].…”
Section: Cyanopolymersmentioning
confidence: 99%