Biaxially oriented poly(propylene-g-maleic anhydride)/phosphate glass composite films for high gas barrier applications

Gupta, Mohit; Yuan, Li-Yan; Deans, Taneisha; Crosby, Alexis; Baer, E.; Hiltner, A.; Schiraldi, David A.

doi:10.1016/j.polymer.2008.11.018

Cited by 47 publications

(37 citation statements)

References 23 publications

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“…In recent years, both academia and industry have focused their attention on polymers reinforced with nano‐sized materials. Different polymers and nanofillers (metal, metal oxide, glasses, semiconductor) nanocomposites have been developed. A novel class of micro and nanofillers are represented by the carbon‐based nanoparticles, such as carbon nanotubes, carbon fibers, and most recently graphene and graphene‐like nanoplatelets (GNPs) …”

Section: Introductionmentioning

confidence: 99%

Thermal behavior of thermoplastic polymer nanocomposites containing graphene nanoplatelets

Caradonna

Colucci

Giorcelli

et al. 2017

J of Applied Polymer Sci

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Polypropylene (PP), acrylonitrile butadiene styrene (ABS), and thermoplastic polyurethane (TPU) nanocomposites filled with 5 wt % of two different kinds of commercially available graphene nanoplatelets (GNPs) were prepared. Composites materials were characterized in terms of thermal properties (thermal conductivity and thermal stability) in order to study the effect of different fillers within different thermoplastic matrices. The exfoliation process and the mechanical properties were also investigated. We chose three different thermoplastic polymers (polyolefin, copolymer and elastomer) to cover a wide range of thermoplastic materials and identify a guideline in the use of GNPs for nanocomposite materials. No drastic differences were observed in terms of mechanical properties when the same matrices were filled with different GNPs. Concerning thermal conductivity, it was observed that the GNPs plane dimensions play a crucial role in the increase of conductive properties. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44814.

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Section: Introductionmentioning

confidence: 99%

Thermal behavior of thermoplastic polymer nanocomposites containing graphene nanoplatelets

Caradonna

Colucci

Giorcelli

et al. 2017

J of Applied Polymer Sci

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“…Phosphate glass was created following a method by Gupta et al where a mixture composed of a molar composition of 50% tin fluoride (SnF 2 ), 20% tin oxide (SnO), and 30% phosphorous pentoxide (P 2 O 5 ) [24]. The ingredients were tumble mixed until the desired homogeneity was achieved and then placed into a glassy carbon crucible.…”

Section: Methodsmentioning

confidence: 99%

“…The filler selected for this study is a phosphate glass (P-glass) which was combined with two polymer systems known for their ME3DP compatibility: (1) PLA, which is commonly used particularly in home-use or desktop grade ME3DP platforms; and (2) a version of the ABS:SEBS-g-MA blend first reported by Siqueiros et al [4] (ABS blended with SEBS-g-MA in a 50 : 50 by weight ratio). P-glass was chosen as a filler because this material has similar thermal processing parameters to many thermoplastic polymers, meaning that the chance of initiating wire drawing within our matrix materials was likely [24]. The similar processing temperatures enabled an attempt to achieve in situ wire drawing of the P-glass particles within the polymer matrix with the end goal of mitigating Figure 1: XRD spectra of the P-glass material used in this study.…”

Section: Introductionmentioning

confidence: 99%

In Situ Wire Drawing of Phosphate Glass in Polymer Matrices for Material Extrusion 3D Printing

Siqueiros

Roberson

2017

International Journal of Polymer Science

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A strategy to increase the amount of materials available for additive manufacturing platforms such as material extrusion 3D printing (ME3DP) is the creation of printable thermoplastic composites. Potential limiters to the incorporation of filler materials into a thermoplastic resin include agglomeration of the filler materials, which can compromise the mechanical properties of the material system and a static morphology of the filler material. A potential solution to these issues is the use of filler materials with low glass transition temperatures allowing for a change in morphology during the extrusion process. Here, we successfully demonstrate the drawing of phosphate glass particles into a wire-like morphology within two polymeric systems: (1) a rubberized acrylonitrile butadiene styrene (ABS) blend and (2) polylactic acid (PLA). After applying a normalization process to account for the effect of air gap within the 3D printed test specimens, an enhancement in the mechanical properties was demonstrated where an increase in strength was as high as 21% over baseline specimens. Scanning electron microanalysis was used to characterize the fracture surface and wire drawing efficacy. Factors affecting the ability to achieve wire drawing such as polymer viscosity and print temperature are also highlighted.

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“…2 A particular process is based on trialkoxysilanes bearing a C@C unsaturated unit. 14,15 Most popular polymers are PE and polypropylene, which possess a beneficial combination of properties, including stability, lightness, flexibility, and strength. This reaction is followed by a condensation of the hydroxyl groups which renders a crosslinked structure.…”

Section: Introductionmentioning

confidence: 99%

Permeation of hydrocarbons through organosilane crosslinked LDPE

Berger

Keimel

Helfer

et al. 2017

J of Applied Polymer Sci

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The importance of polymeric transportation systems has been steadily increasing over the years. It is a useful material in numerous applications, such as packaging, oil and gas pipes, and household items. One particular aspect of polyethylene (PE) is the permeability of small molecules, such as low-molecular-weight hydrocarbons. In the present study, PE sheets were crosslinked by grafting and subsequent hydrolysis of organosilanes during a reactive extrusion process. The formation of a network structure was characterized by sol/gel analysis and by rheological measurements. It is shown that as a result of crosslinking the permeation of linear alkanes through the PE is reduced.

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Biaxially oriented poly(propylene-g-maleic anhydride)/phosphate glass composite films for high gas barrier applications

Cited by 47 publications

References 23 publications

Thermal behavior of thermoplastic polymer nanocomposites containing graphene nanoplatelets

Thermal behavior of thermoplastic polymer nanocomposites containing graphene nanoplatelets

In Situ Wire Drawing of Phosphate Glass in Polymer Matrices for Material Extrusion 3D Printing

Permeation of hydrocarbons through organosilane crosslinked LDPE

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