Patent
US 10,808,098POLYETHYLENE TEREPHTHALATE-GRAPHENE NANOCOMPOSITES
JAY CLARKE HANAN
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,808,098Patent drawings and their descriptions. Click a drawing to enlarge it.
Figures 2A-2 B: Tensile tested samples of PET (A) and PET-15% xGnP Nanocomposite (B).
Figures 3A, 3 B, 3C, 3D, 3E, and 3F: SEM micrographs of (A) PET, PET-xGnP Nanocomposite (B) 2% wt, (C) 5% wt, (D) 10% wt with micro voids, (E) 10% wt at 5k x and (F) 15% wt samples.
Figures 4A, 4 B, and 4C: TEM micrographs showing dispersion of the nanoplatelets in PET- 1 5% xGnP nanocomposite; bright field images (A) 10k x, (B) 20k x and (C) dark field image @ 60k x.
Figure 5: Comparison of XRD patterns of xGnP powder with PET control and nanocomposite.
Figure 6: Comparison of Stress-Strain curves of PET and PET-xGnP Nanocomposites.
Figure 7: Young's Modulus of PET Nanocomposites in comparison with control PET.
Figure 8: Modulus of PET-graphene nanocomposites from predictions compared with experimental results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17 Canceled
Canceled
A nanocomposite material comprising: a polyethylene terephthalate base polymer; and a graphene nanoparticulate material compounded with said polyethylene terephthalate base polymer to increase the strength of the polyethylene terephthalate base polymer, wherein said graphene nanoparticulate material comprises between about two percent and fifteen percent by weight of the nanocomposite material. Currently amended
The material of claim 18, wherein the graphene nanoparticulate material includes graphene nanoplatelets. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about two percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about five percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about ten percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about 15 percent by weight of the nanoparticulate material. Currently amended
(Cancelled) Canceled
(C ancelled) Canceled
A nanocomposite material for injection-molding to form a masterbatch product, the material comprising: a first portion comprising a base polymer; and a second portion comprising graphene nanoplatelets. Currently amended
The material of claim 27, wherein the base polymer includes polyethylene terephthalate. Currently amended
A method of producing a plurality of masterbatch pellets,-a the method comprising: providing a first portion comprising a polyethylene terephthalate base polymer; providing a second portion comprising g raphene nanoplatelets; compounding the polyethylene terephthalate with the graphene nanoplatelets so as to obtain graphene nanoplatelets dispersed in the base polymer; and, forming the plurality of masterbatch pellets from the graphene nanoplatelets dispersed in the base polymer. Currently amended
The method of claim 32, wherein providing the second portion comprises providing exfoliated graphene nanoplatelets. Currently amended
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials2 process steps
Commercially available PET (oZpet GG-3180 FGH, 0.80 dl/g IV, Leading Synthetics, Australia) was compounded with exfoliated graphene nanoplatelets (xGnP-M-5 grade, 99.5% carbon, average diameter 5 µm, XG Sciences) at weight fractions of 2%, 5%, 10%, and 15% using Ovation Polymers ExTima technology to form masterbatch pellets. Pellets were injection molded at 250-260°C following ASTM D₆₃₈ Type-I specifications to produce tensile bars. Mechanical testing was performed using Instron 5582 at 5 mm/min crosshead speed with a laser extensometer. Dispersion was characterized by SEM (Hitachi S-4800), TEM (JEOL JEM-2100, 200 kV, 70 nm sections), and XRD (Bruker D₈ Discovery, Cu Kα radiation, 40 kV, 40 mA, 120 s exposure).
Layer stacks claimed or described, ordered top of device to substrate.
PET-graphene nanocomposite material
nanocomposite masterbatch product
Materials described outside the worked examples.
graphene nanoparticulate material
graphene nanoplatelets
Measurements and analyses referenced in the patent, with their drawing references.
SEM micrographs of xGnP dry powder and fracture surfaces of PET and PET-graphene nanocomposites. Nanoplatelets 5-10 µm average diameter and 5-20 nm thickness observed.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene elastic modulus (reported literature value cited in description) | 1060 GPa | graphene nanoplatelets |
Patent
Atlas literature
Patent
US 10,808,098Patent drawings and their descriptions. Click a drawing to enlarge it.
Figures 2A-2 B: Tensile tested samples of PET (A) and PET-15% xGnP Nanocomposite (B).
Figures 3A, 3 B, 3C, 3D, 3E, and 3F: SEM micrographs of (A) PET, PET-xGnP Nanocomposite (B) 2% wt, (C) 5% wt, (D) 10% wt with micro voids, (E) 10% wt at 5k x and (F) 15% wt samples.
Figures 4A, 4 B, and 4C: TEM micrographs showing dispersion of the nanoplatelets in PET- 1 5% xGnP nanocomposite; bright field images (A) 10k x, (B) 20k x and (C) dark field image @ 60k x.
Figure 5: Comparison of XRD patterns of xGnP powder with PET control and nanocomposite.
Figure 6: Comparison of Stress-Strain curves of PET and PET-xGnP Nanocomposites.
Figure 7: Young's Modulus of PET Nanocomposites in comparison with control PET.
Figure 8: Modulus of PET-graphene nanocomposites from predictions compared with experimental results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17 Canceled
Canceled
A nanocomposite material comprising: a polyethylene terephthalate base polymer; and a graphene nanoparticulate material compounded with said polyethylene terephthalate base polymer to increase the strength of the polyethylene terephthalate base polymer, wherein said graphene nanoparticulate material comprises between about two percent and fifteen percent by weight of the nanocomposite material. Currently amended
The material of claim 18, wherein the graphene nanoparticulate material includes graphene nanoplatelets. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about two percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about five percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about ten percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about 15 percent by weight of the nanoparticulate material. Currently amended
(Cancelled) Canceled
(C ancelled) Canceled
A nanocomposite material for injection-molding to form a masterbatch product, the material comprising: a first portion comprising a base polymer; and a second portion comprising graphene nanoplatelets. Currently amended
The material of claim 27, wherein the base polymer includes polyethylene terephthalate. Currently amended
A method of producing a plurality of masterbatch pellets,-a the method comprising: providing a first portion comprising a polyethylene terephthalate base polymer; providing a second portion comprising g raphene nanoplatelets; compounding the polyethylene terephthalate with the graphene nanoplatelets so as to obtain graphene nanoplatelets dispersed in the base polymer; and, forming the plurality of masterbatch pellets from the graphene nanoplatelets dispersed in the base polymer. Currently amended
The method of claim 32, wherein providing the second portion comprises providing exfoliated graphene nanoplatelets. Currently amended
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials2 process steps
Commercially available PET (oZpet GG-3180 FGH, 0.80 dl/g IV, Leading Synthetics, Australia) was compounded with exfoliated graphene nanoplatelets (xGnP-M-5 grade, 99.5% carbon, average diameter 5 µm, XG Sciences) at weight fractions of 2%, 5%, 10%, and 15% using Ovation Polymers ExTima technology to form masterbatch pellets. Pellets were injection molded at 250-260°C following ASTM D₆₃₈ Type-I specifications to produce tensile bars. Mechanical testing was performed using Instron 5582 at 5 mm/min crosshead speed with a laser extensometer. Dispersion was characterized by SEM (Hitachi S-4800), TEM (JEOL JEM-2100, 200 kV, 70 nm sections), and XRD (Bruker D₈ Discovery, Cu Kα radiation, 40 kV, 40 mA, 120 s exposure).
Layer stacks claimed or described, ordered top of device to substrate.
PET-graphene nanocomposite material
nanocomposite masterbatch product
Materials described outside the worked examples.
graphene nanoparticulate material
graphene nanoplatelets
Measurements and analyses referenced in the patent, with their drawing references.
SEM micrographs of xGnP dry powder and fracture surfaces of PET and PET-graphene nanocomposites. Nanoplatelets 5-10 µm average diameter and 5-20 nm thickness observed.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene elastic modulus (reported literature value cited in description) | 1060 GPa | graphene nanoplatelets |
Patent
Atlas literature
Patent
US 10,808,098Patent drawings and their descriptions. Click a drawing to enlarge it.
Figures 2A-2 B: Tensile tested samples of PET (A) and PET-15% xGnP Nanocomposite (B).
Figures 3A, 3 B, 3C, 3D, 3E, and 3F: SEM micrographs of (A) PET, PET-xGnP Nanocomposite (B) 2% wt, (C) 5% wt, (D) 10% wt with micro voids, (E) 10% wt at 5k x and (F) 15% wt samples.
Figures 4A, 4 B, and 4C: TEM micrographs showing dispersion of the nanoplatelets in PET- 1 5% xGnP nanocomposite; bright field images (A) 10k x, (B) 20k x and (C) dark field image @ 60k x.
Figure 5: Comparison of XRD patterns of xGnP powder with PET control and nanocomposite.
Figure 6: Comparison of Stress-Strain curves of PET and PET-xGnP Nanocomposites.
Figure 7: Young's Modulus of PET Nanocomposites in comparison with control PET.
Figure 8: Modulus of PET-graphene nanocomposites from predictions compared with experimental results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17 Canceled
Canceled
A nanocomposite material comprising: a polyethylene terephthalate base polymer; and a graphene nanoparticulate material compounded with said polyethylene terephthalate base polymer to increase the strength of the polyethylene terephthalate base polymer, wherein said graphene nanoparticulate material comprises between about two percent and fifteen percent by weight of the nanocomposite material. Currently amended
The material of claim 18, wherein the graphene nanoparticulate material includes graphene nanoplatelets. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about two percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about five percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about ten percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about 15 percent by weight of the nanoparticulate material. Currently amended
(Cancelled) Canceled
(C ancelled) Canceled
A nanocomposite material for injection-molding to form a masterbatch product, the material comprising: a first portion comprising a base polymer; and a second portion comprising graphene nanoplatelets. Currently amended
The material of claim 27, wherein the base polymer includes polyethylene terephthalate. Currently amended
A method of producing a plurality of masterbatch pellets,-a the method comprising: providing a first portion comprising a polyethylene terephthalate base polymer; providing a second portion comprising g raphene nanoplatelets; compounding the polyethylene terephthalate with the graphene nanoplatelets so as to obtain graphene nanoplatelets dispersed in the base polymer; and, forming the plurality of masterbatch pellets from the graphene nanoplatelets dispersed in the base polymer. Currently amended
The method of claim 32, wherein providing the second portion comprises providing exfoliated graphene nanoplatelets. Currently amended
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials2 process steps
Commercially available PET (oZpet GG-3180 FGH, 0.80 dl/g IV, Leading Synthetics, Australia) was compounded with exfoliated graphene nanoplatelets (xGnP-M-5 grade, 99.5% carbon, average diameter 5 µm, XG Sciences) at weight fractions of 2%, 5%, 10%, and 15% using Ovation Polymers ExTima technology to form masterbatch pellets. Pellets were injection molded at 250-260°C following ASTM D₆₃₈ Type-I specifications to produce tensile bars. Mechanical testing was performed using Instron 5582 at 5 mm/min crosshead speed with a laser extensometer. Dispersion was characterized by SEM (Hitachi S-4800), TEM (JEOL JEM-2100, 200 kV, 70 nm sections), and XRD (Bruker D₈ Discovery, Cu Kα radiation, 40 kV, 40 mA, 120 s exposure).
Layer stacks claimed or described, ordered top of device to substrate.
PET-graphene nanocomposite material
nanocomposite masterbatch product
Materials described outside the worked examples.
graphene nanoparticulate material
graphene nanoplatelets
Measurements and analyses referenced in the patent, with their drawing references.
SEM micrographs of xGnP dry powder and fracture surfaces of PET and PET-graphene nanocomposites. Nanoplatelets 5-10 µm average diameter and 5-20 nm thickness observed.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene elastic modulus (reported literature value cited in description) | 1060 GPa | graphene nanoplatelets |
Patent
Atlas literature
Patent
US 10,808,098Patent drawings and their descriptions. Click a drawing to enlarge it.
Figures 2A-2 B: Tensile tested samples of PET (A) and PET-15% xGnP Nanocomposite (B).
Figures 3A, 3 B, 3C, 3D, 3E, and 3F: SEM micrographs of (A) PET, PET-xGnP Nanocomposite (B) 2% wt, (C) 5% wt, (D) 10% wt with micro voids, (E) 10% wt at 5k x and (F) 15% wt samples.
Figures 4A, 4 B, and 4C: TEM micrographs showing dispersion of the nanoplatelets in PET- 1 5% xGnP nanocomposite; bright field images (A) 10k x, (B) 20k x and (C) dark field image @ 60k x.
Figure 5: Comparison of XRD patterns of xGnP powder with PET control and nanocomposite.
Figure 6: Comparison of Stress-Strain curves of PET and PET-xGnP Nanocomposites.
Figure 7: Young's Modulus of PET Nanocomposites in comparison with control PET.
Figure 8: Modulus of PET-graphene nanocomposites from predictions compared with experimental results.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Claims 1-17 Canceled
Canceled
A nanocomposite material comprising: a polyethylene terephthalate base polymer; and a graphene nanoparticulate material compounded with said polyethylene terephthalate base polymer to increase the strength of the polyethylene terephthalate base polymer, wherein said graphene nanoparticulate material comprises between about two percent and fifteen percent by weight of the nanocomposite material. Currently amended
The material of claim 18, wherein the graphene nanoparticulate material includes graphene nanoplatelets. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about two percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about five percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about ten percent by weight of the nanoparticulate material. Currently amended
The material of claim 18, wherein the nanocomposite material comprises about 15 percent by weight of the nanoparticulate material. Currently amended
(Cancelled) Canceled
(C ancelled) Canceled
A nanocomposite material for injection-molding to form a masterbatch product, the material comprising: a first portion comprising a base polymer; and a second portion comprising graphene nanoplatelets. Currently amended
The material of claim 27, wherein the base polymer includes polyethylene terephthalate. Currently amended
A method of producing a plurality of masterbatch pellets,-a the method comprising: providing a first portion comprising a polyethylene terephthalate base polymer; providing a second portion comprising g raphene nanoplatelets; compounding the polyethylene terephthalate with the graphene nanoplatelets so as to obtain graphene nanoplatelets dispersed in the base polymer; and, forming the plurality of masterbatch pellets from the graphene nanoplatelets dispersed in the base polymer. Currently amended
The method of claim 32, wherein providing the second portion comprises providing exfoliated graphene nanoplatelets. Currently amended
Canceled
Embodiments described in the patent, grouped by the materials and process steps they use.
3 materials2 process steps
Commercially available PET (oZpet GG-3180 FGH, 0.80 dl/g IV, Leading Synthetics, Australia) was compounded with exfoliated graphene nanoplatelets (xGnP-M-5 grade, 99.5% carbon, average diameter 5 µm, XG Sciences) at weight fractions of 2%, 5%, 10%, and 15% using Ovation Polymers ExTima technology to form masterbatch pellets. Pellets were injection molded at 250-260°C following ASTM D₆₃₈ Type-I specifications to produce tensile bars. Mechanical testing was performed using Instron 5582 at 5 mm/min crosshead speed with a laser extensometer. Dispersion was characterized by SEM (Hitachi S-4800), TEM (JEOL JEM-2100, 200 kV, 70 nm sections), and XRD (Bruker D₈ Discovery, Cu Kα radiation, 40 kV, 40 mA, 120 s exposure).
Layer stacks claimed or described, ordered top of device to substrate.
PET-graphene nanocomposite material
nanocomposite masterbatch product
Materials described outside the worked examples.
graphene nanoparticulate material
graphene nanoplatelets
Measurements and analyses referenced in the patent, with their drawing references.
SEM micrographs of xGnP dry powder and fracture surfaces of PET and PET-graphene nanocomposites. Nanoplatelets 5-10 µm average diameter and 5-20 nm thickness observed.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene elastic modulus (reported literature value cited in description) | 1060 GPa | graphene nanoplatelets |
exfoliated graphene nanoplatelets
PET-graphene nanocomposite
TEM micrographs from 70 nm thin sections (microtomed using Reichert-Jung Ultracut E) collected in bright and dark field modes. Graphene nanoplatelets remained intact as platelets dispersed in polymer matrix; complete exfoliation of individual graphene sheets was not found.
X-ray diffraction patterns collected in reflection at 40 kV and 40 mA with 120 s exposure time for xGnP powder and PET nanocomposite samples.
Tensile testing of PET control and PET-graphene nanocomposite tensile bars per ASTM D₆₃₈ at 5 mm/min crosshead speed. Three composites of each kind tested. Laser extensometer recorded displacement from self-reflective stickers at gauge length.
| 20 GPa |
graphene nanoplatelets |
Thickness | 5–20 nm | — |
exfoliated graphene nanoplatelets
PET-graphene nanocomposite
TEM micrographs from 70 nm thin sections (microtomed using Reichert-Jung Ultracut E) collected in bright and dark field modes. Graphene nanoplatelets remained intact as platelets dispersed in polymer matrix; complete exfoliation of individual graphene sheets was not found.
X-ray diffraction patterns collected in reflection at 40 kV and 40 mA with 120 s exposure time for xGnP powder and PET nanocomposite samples.
Tensile testing of PET control and PET-graphene nanocomposite tensile bars per ASTM D₆₃₈ at 5 mm/min crosshead speed. Three composites of each kind tested. Laser extensometer recorded displacement from self-reflective stickers at gauge length.
| 20 GPa |
graphene nanoplatelets |
Thickness | 5–20 nm | — |
exfoliated graphene nanoplatelets
PET-graphene nanocomposite
TEM micrographs from 70 nm thin sections (microtomed using Reichert-Jung Ultracut E) collected in bright and dark field modes. Graphene nanoplatelets remained intact as platelets dispersed in polymer matrix; complete exfoliation of individual graphene sheets was not found.
X-ray diffraction patterns collected in reflection at 40 kV and 40 mA with 120 s exposure time for xGnP powder and PET nanocomposite samples.
Tensile testing of PET control and PET-graphene nanocomposite tensile bars per ASTM D₆₃₈ at 5 mm/min crosshead speed. Three composites of each kind tested. Laser extensometer recorded displacement from self-reflective stickers at gauge length.
| 20 GPa |
graphene nanoplatelets |
Thickness | 5–20 nm | — |
exfoliated graphene nanoplatelets
PET-graphene nanocomposite
TEM micrographs from 70 nm thin sections (microtomed using Reichert-Jung Ultracut E) collected in bright and dark field modes. Graphene nanoplatelets remained intact as platelets dispersed in polymer matrix; complete exfoliation of individual graphene sheets was not found.
X-ray diffraction patterns collected in reflection at 40 kV and 40 mA with 120 s exposure time for xGnP powder and PET nanocomposite samples.
Tensile testing of PET control and PET-graphene nanocomposite tensile bars per ASTM D₆₃₈ at 5 mm/min crosshead speed. Three composites of each kind tested. Laser extensometer recorded displacement from self-reflective stickers at gauge length.
| 20 GPa |
graphene nanoplatelets |
Thickness | 5–20 nm | — |