Studies on surface properties of polymeric coated paper material

Abstract

Surface properties of a polymeric coating system have a strong influence on its performance and service life. However, the surface of a polymer coating may have different chemical, physical, and mechanical properties from the bulk. Significant progress has been made during the last three decades in the improvement of coating on materials. It has been established that polymeric blends have great potential in replacing economically many conventional materials because of their high specific strength. It is needed today, constantly, to improve the surface finish of any material for efficiency and shiny appearance in the severity of working environment. In packaging, materials having longer service lives and those are less corrosive are highly used. The effect of polymer based coating on the paper material improves its mechanical properties and flame resistance. Effect of flame retardant polymer coating illuminates the surface of the sheet. Important application of the material sheets will be for corrosion receptivity and humidity resistance of this material will certainly improve. Blends of PMM/PVDF are mainly used to improve piezoelectric properties of PVDF. In the present study we report the measurement of surface properties of thin layer of polymer blend coated on the cardboard sheet substrate material. Polymer blend solutions of PMMA/PVDF was prepared at 90/10 (w/w) proportions in miscible solvent of toluene and DMF. Thin film was prepared on the surface of cardboard by dipping the cardboard material in the solution. Thickness of the dried polymer coated paper sheet was measured to see uniformity of coating and for different concentrations. Surface properties such as flexibility index, yellowness, and gloss reflectance were also measured. The study on these polymer coated paper will help in improving the surface property of paper as well as its use in packaging.

Embedded capacitor applications of graphene oxide reinforced poly(3,4-ethylenedioxythiophene)-tetramethacrylate (PEDOT-TMA) composites

“…The band at 1438 cm -1 is assigned to CH 2 scissoring and the bands at 1255 cm -1 are assigned to the C-O stretching vibration of PMMA. Also, the band at 1390 cm -1 is assigned to O-CH 3 stretching [32]. The appearance of the stretching absorption band at 1390 cm -1 confirms the presence of the methyl group of PMMA [33].…”

Dielectric and electromagnetic interference shielding properties of zeolite13Xand carbon black nanoparticles basedPVDFnanocomposites

“…33 The broad absorption peak observed at 1155 cm −1 corresponds to CF-stretching vibration 34 and a small peak observed at 3014 cm −1 corresponds to CH 2 symmetric stretching vibration confirming the presence of β-crystal phase. 31 In addition, the characteristic peak observed at 837 cm −1 was attributed to CH 2 rocking. 35 The FTIR spectra for the PVDF/ Zeolite13X nanocomposite is shown in Figure 2(b), which exhibits a similar peak of symmetric stretching at 621 cm −1 and a peak of asymmetric stretching at 883 cm −1.32 The characteristic peaks of PVDF at 3014 and 488 cm −1 were found to be shifted to 2920 and 486 cm −1 , with the addition of Zeolite13X in the PVDF matrix.…”

“…The FTIR spectra of the neat PVDF film given in Figure 2(a), shows characteristic peaks at 488 cm −1 corresponding to bending vibrations of the CF 2 group while the peak at 621 cm −1 corresponds to a mixed-mode of CF 2 bending vibration. 31 The peak at 704 cm −1 corresponds to rocking vibration or in-plane bending. 32 The peaks observed at 1396, 1156, 883, 704, 621, and 488 cm −1 belongs to the α-crystal phase of PVDF.…”

Lightweight and Compostable Fiberboard for the Military

“…Most coatings are the result of the intimate interaction between two different materials-an organic/inorganic substrate and a polymeric resin that form adhesive bonds with each other. The quality and durability of the coating is directly related to the level of adhesion [53]. By utilizing a biocompostable polymer and paper, a potential biocompostable package can be realized for the military.…”