Patent
US 9,909,015FLAME RETARDANT COMPOSITION COMPRISING GRAPHENE NANOPLATELETS
Giulio CESAREO
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,909,015Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A flame retardant composition comprising graphene nanoplatelets and a condensation product of a sulfonated aromatic compound with formaldehyde, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:15 to 4:1; wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.764.1342.1477.1526.svg 0.613 2.377 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.1581.1414.1626.1459.svg 0.15 0.15 Chemistry Black and white wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1658.1882.1938.2172.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.447.1905.884.2149.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1094.1927.1550.2154.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.19.1503.2357.1793.2847.svg 1.633 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.20.450.2569.1146.2792.svg 0.743 2.32 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The flame retardant composition according to claim 1 [[2]], characterized in that said condensation product of a sulfonated aromatic compound with formaldehyde has the following formula (II) (Ar-CH₂-) n -Ar (II) wherein: n is from 1 to 100. Currently amended
The flame retardant composition according to claim 1, characterized in that said condensation product is a polymer with a molecular Previously presented
The flame retardant composition according to claim 1, characterized by being in the form of water dispersion wherein the concentration of graphene nanoplatelets is from 1% to 40% by weight of the water dispersion, and the concentration of the condensation product is from 1 to 40% by weight o f the water dispersion. Currently amended
The flame retardant composition according to claim 1, comprising nanoplatelets of graphene in water, characterized in that:-the C/O ratio in said particles of graphene nanoplatelets is > 10:1;-at least 90% of said nanoplatelets of graphene have a lateral size (x, y) from 200 to 20000 nm, and a thickness (z) from 0.34 to 30 nm, the lateral size being always greater than the thickness (x, y > z). Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:10 to 2:1. Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:5 to 1:1. Previously presented
. Canceled
The flame retardant of claim 2, wherein X is the cation of an alkali metal. Previously presented
The flame retardant of claim 2, wherein the ratio p/r is from 0.5 to 2. Previously presented
The flame retardant of claim 2, wherein the ratio q/r is from 1 to 3. Previously presented
. Canceled
. Canceled
A polymeric article comprising a flame retardant composition comprising graphene nanoplatelets and a condensation product of a wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.9.764.911.1477.1095.svg 0.613 2.377 Chemistry Black and white I wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1658.1451.1938.1741.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.447.1474.884.1718.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1094.1496.1550.1723.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.15.1503.1926.1793.2417.svg 1.637 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.16.451.2138.1146.2361.svg 0.743 2.317 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The article according to claim 14, wherein said composition forms a coating layer. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
flame retardant coated polymeric article
Materials described outside the worked examples.
graphene nanoplatelets
condensation product of a sulfonated aromatic compound with formaldehyde
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–100 hours | — |
Duration |
Patent
Atlas literature
Patent
US 9,909,015Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A flame retardant composition comprising graphene nanoplatelets and a condensation product of a sulfonated aromatic compound with formaldehyde, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:15 to 4:1; wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.764.1342.1477.1526.svg 0.613 2.377 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.1581.1414.1626.1459.svg 0.15 0.15 Chemistry Black and white wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1658.1882.1938.2172.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.447.1905.884.2149.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1094.1927.1550.2154.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.19.1503.2357.1793.2847.svg 1.633 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.20.450.2569.1146.2792.svg 0.743 2.32 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The flame retardant composition according to claim 1 [[2]], characterized in that said condensation product of a sulfonated aromatic compound with formaldehyde has the following formula (II) (Ar-CH₂-) n -Ar (II) wherein: n is from 1 to 100. Currently amended
The flame retardant composition according to claim 1, characterized in that said condensation product is a polymer with a molecular Previously presented
The flame retardant composition according to claim 1, characterized by being in the form of water dispersion wherein the concentration of graphene nanoplatelets is from 1% to 40% by weight of the water dispersion, and the concentration of the condensation product is from 1 to 40% by weight o f the water dispersion. Currently amended
The flame retardant composition according to claim 1, comprising nanoplatelets of graphene in water, characterized in that:-the C/O ratio in said particles of graphene nanoplatelets is > 10:1;-at least 90% of said nanoplatelets of graphene have a lateral size (x, y) from 200 to 20000 nm, and a thickness (z) from 0.34 to 30 nm, the lateral size being always greater than the thickness (x, y > z). Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:10 to 2:1. Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:5 to 1:1. Previously presented
. Canceled
The flame retardant of claim 2, wherein X is the cation of an alkali metal. Previously presented
The flame retardant of claim 2, wherein the ratio p/r is from 0.5 to 2. Previously presented
The flame retardant of claim 2, wherein the ratio q/r is from 1 to 3. Previously presented
. Canceled
. Canceled
A polymeric article comprising a flame retardant composition comprising graphene nanoplatelets and a condensation product of a wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.9.764.911.1477.1095.svg 0.613 2.377 Chemistry Black and white I wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1658.1451.1938.1741.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.447.1474.884.1718.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1094.1496.1550.1723.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.15.1503.1926.1793.2417.svg 1.637 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.16.451.2138.1146.2361.svg 0.743 2.317 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The article according to claim 14, wherein said composition forms a coating layer. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
flame retardant coated polymeric article
Materials described outside the worked examples.
graphene nanoplatelets
condensation product of a sulfonated aromatic compound with formaldehyde
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–100 hours | — |
Duration |
Patent
Atlas literature
Patent
US 9,909,015Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A flame retardant composition comprising graphene nanoplatelets and a condensation product of a sulfonated aromatic compound with formaldehyde, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:15 to 4:1; wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.764.1342.1477.1526.svg 0.613 2.377 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.1581.1414.1626.1459.svg 0.15 0.15 Chemistry Black and white wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1658.1882.1938.2172.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.447.1905.884.2149.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1094.1927.1550.2154.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.19.1503.2357.1793.2847.svg 1.633 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.20.450.2569.1146.2792.svg 0.743 2.32 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The flame retardant composition according to claim 1 [[2]], characterized in that said condensation product of a sulfonated aromatic compound with formaldehyde has the following formula (II) (Ar-CH₂-) n -Ar (II) wherein: n is from 1 to 100. Currently amended
The flame retardant composition according to claim 1, characterized in that said condensation product is a polymer with a molecular Previously presented
The flame retardant composition according to claim 1, characterized by being in the form of water dispersion wherein the concentration of graphene nanoplatelets is from 1% to 40% by weight of the water dispersion, and the concentration of the condensation product is from 1 to 40% by weight o f the water dispersion. Currently amended
The flame retardant composition according to claim 1, comprising nanoplatelets of graphene in water, characterized in that:-the C/O ratio in said particles of graphene nanoplatelets is > 10:1;-at least 90% of said nanoplatelets of graphene have a lateral size (x, y) from 200 to 20000 nm, and a thickness (z) from 0.34 to 30 nm, the lateral size being always greater than the thickness (x, y > z). Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:10 to 2:1. Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:5 to 1:1. Previously presented
. Canceled
The flame retardant of claim 2, wherein X is the cation of an alkali metal. Previously presented
The flame retardant of claim 2, wherein the ratio p/r is from 0.5 to 2. Previously presented
The flame retardant of claim 2, wherein the ratio q/r is from 1 to 3. Previously presented
. Canceled
. Canceled
A polymeric article comprising a flame retardant composition comprising graphene nanoplatelets and a condensation product of a wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.9.764.911.1477.1095.svg 0.613 2.377 Chemistry Black and white I wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1658.1451.1938.1741.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.447.1474.884.1718.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1094.1496.1550.1723.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.15.1503.1926.1793.2417.svg 1.637 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.16.451.2138.1146.2361.svg 0.743 2.317 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The article according to claim 14, wherein said composition forms a coating layer. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
flame retardant coated polymeric article
Materials described outside the worked examples.
graphene nanoplatelets
condensation product of a sulfonated aromatic compound with formaldehyde
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–100 hours | — |
Duration |
Patent
Atlas literature
Patent
US 9,909,015Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A flame retardant composition comprising graphene nanoplatelets and a condensation product of a sulfonated aromatic compound with formaldehyde, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:15 to 4:1; wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.764.1342.1477.1526.svg 0.613 2.377 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.13.1581.1414.1626.1459.svg 0.15 0.15 Chemistry Black and white wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1658.1882.1938.2172.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.447.1905.884.2149.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.17.1094.1927.1550.2154.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.19.1503.2357.1793.2847.svg 1.633 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.1.20.450.2569.1146.2792.svg 0.743 2.32 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.2.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The flame retardant composition according to claim 1 [[2]], characterized in that said condensation product of a sulfonated aromatic compound with formaldehyde has the following formula (II) (Ar-CH₂-) n -Ar (II) wherein: n is from 1 to 100. Currently amended
The flame retardant composition according to claim 1, characterized in that said condensation product is a polymer with a molecular Previously presented
The flame retardant composition according to claim 1, characterized by being in the form of water dispersion wherein the concentration of graphene nanoplatelets is from 1% to 40% by weight of the water dispersion, and the concentration of the condensation product is from 1 to 40% by weight o f the water dispersion. Currently amended
The flame retardant composition according to claim 1, comprising nanoplatelets of graphene in water, characterized in that:-the C/O ratio in said particles of graphene nanoplatelets is > 10:1;-at least 90% of said nanoplatelets of graphene have a lateral size (x, y) from 200 to 20000 nm, and a thickness (z) from 0.34 to 30 nm, the lateral size being always greater than the thickness (x, y > z). Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:10 to 2:1. Previously presented
The flame retardant composition according to claim 1, wherein the weight ratio between the graphene nanoplatelets and the condensation product is from 1:5 to 1:1. Previously presented
. Canceled
The flame retardant of claim 2, wherein X is the cation of an alkali metal. Previously presented
The flame retardant of claim 2, wherein the ratio p/r is from 0.5 to 2. Previously presented
The flame retardant of claim 2, wherein the ratio q/r is from 1 to 3. Previously presented
. Canceled
. Canceled
A polymeric article comprising a flame retardant composition comprising graphene nanoplatelets and a condensation product of a wherein a starting mixture of three components that form the condensation product is represented by the following formula: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.9.764.911.1477.1095.svg 0.613 2.377 Chemistry Black and white I wherein Ar is a sulfonated aromatic compound selected from the group consisting of: SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1658.1451.1938.1741.svg 0.967 0.933 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.447.1474.884.1718.svg 0.813 1.457 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.13.1094.1496.1550.1723.svg 0.757 1.52 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.15.1503.1926.1793.2417.svg 1.637 0.967 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.4.16.451.2138.1146.2361.svg 0.743 2.317 Chemistry Black and white OH CH₂ SO 3 X (I a) S O 3 X C H 3 (Ib) SO 3 X (I c) (Id) SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1049.534.1375.960.svg 1.42 1.087 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.1618.536.1906.960.svg 1.413 0.96 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.5.384.542.671.976.svg 1.447 0.957 Chemistry Black and white SVG 14910488.09-06-2017.J₇₉FB₀JDRXEAPX3.CLM.5.7.526.1125.977.1441.svg 1.053 1.503 Chemistry Black and white R is an alkyl group with from 1 t o 12 carbon atoms, linear or branched; p, q and r are the moles of formaldehyde, urea and sulfonated aromatic compound, respectively, with a ratio p/r from 0.2 to 4; and a ratio q/r from 0.5 to 5, in which q can be equal to 0; wherein when q =0 the product is obtained by condensation of a sulfonated aromatic compound and formaldehyde only. Currently amended
The article according to claim 14, wherein said composition forms a coating layer. Previously presented
Layer stacks claimed or described, ordered top of device to substrate.
flame retardant coated polymeric article
Materials described outside the worked examples.
graphene nanoplatelets
condensation product of a sulfonated aromatic compound with formaldehyde
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Duration | 1–100 hours | — |
Duration |
urea
CH₄N₂O
formaldehyde
CH₂O
sulfonated aromatic compound
| — |
Thickness | 3–13 mm | — |
Thickness | 0.34–30 nm | — |
— | 100–2000 W | — |
Thickness | 1000–5000 nm | — |
Thickness | 0.34–20 nm | — |
Thickness | 500–3000 nm | — |
Thickness | 0.34–15 nm | — |
Thickness | 200–2000 nm | — |
Thickness | 34- 10 nm. | — |
Thickness | 200–1000 nm | — |
Thickness | 4–6 nm | — |
Duration | ≤ 1 second | — |
Thickness | ≤ 8 nm | — |
urea
CH₄N₂O
formaldehyde
CH₂O
sulfonated aromatic compound
| — |
Thickness | 3–13 mm | — |
Thickness | 0.34–30 nm | — |
— | 100–2000 W | — |
Thickness | 1000–5000 nm | — |
Thickness | 0.34–20 nm | — |
Thickness | 500–3000 nm | — |
Thickness | 0.34–15 nm | — |
Thickness | 200–2000 nm | — |
Thickness | 34- 10 nm. | — |
Thickness | 200–1000 nm | — |
Thickness | 4–6 nm | — |
Duration | ≤ 1 second | — |
Thickness | ≤ 8 nm | — |
urea
CH₄N₂O
formaldehyde
CH₂O
sulfonated aromatic compound
| — |
Thickness | 3–13 mm | — |
Thickness | 0.34–30 nm | — |
— | 100–2000 W | — |
Thickness | 1000–5000 nm | — |
Thickness | 0.34–20 nm | — |
Thickness | 500–3000 nm | — |
Thickness | 0.34–15 nm | — |
Thickness | 200–2000 nm | — |
Thickness | 34- 10 nm. | — |
Thickness | 200–1000 nm | — |
Thickness | 4–6 nm | — |
Duration | ≤ 1 second | — |
Thickness | ≤ 8 nm | — |
urea
CH₄N₂O
formaldehyde
CH₂O
sulfonated aromatic compound
| — |
Thickness | 3–13 mm | — |
Thickness | 0.34–30 nm | — |
— | 100–2000 W | — |
Thickness | 1000–5000 nm | — |
Thickness | 0.34–20 nm | — |
Thickness | 500–3000 nm | — |
Thickness | 0.34–15 nm | — |
Thickness | 200–2000 nm | — |
Thickness | 34- 10 nm. | — |
Thickness | 200–1000 nm | — |
Thickness | 4–6 nm | — |
Duration | ≤ 1 second | — |
Thickness | ≤ 8 nm | — |