Patent
US 10,519,268Polyurethane Foam Comprising Graphene, Processes for Preparing the Same and Use Thereof
Yilin Tang
US
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Patent
Atlas literature
Patent
US 10,519,268Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-32. Canceled
Canceled
A process for preparing a polyurethane foam having a graphene structure and a non-carbon non-oxygen non-hydrogen element comprising elements of Fe, Si and Al, wherein the combined weight of the elements of Fe, Si and Al are in an amount of 0.0018 wt 0.4 wt of the polyurethane foam, the process comprising: (1) adding into polyether polyol a composite having a carbon nanostructure, an emulsifier, a first catalyst, and a foaming agent, stirring and mixing homogeneously to obtain a polyether polyol monomer composition; (2) adding polyisocyanate into the polyether polyol monomer composition of step (1) and mixing homogeneously; and (3) pouring the mixture in step (2) into a mold for foaming, curing to obtain a polyurethane foam comprising the carbon nanostructure; optionally, further adding a functional auxiliary before obtaining the polyether polyol monomer composition in step (1), wherein the polyether polyol has a hydroxyl value of 20- 300 mg KOH/g; and the polyether polyol is a mixture of polyether having a hydroxyl value of 20-60 mg KOH/g and polyether having a hydroxyl value of 150-300 mg KOH/g in a mass ratio of 1:(0.1-10). New
The process of claim 33, wherein the composite having the carbon nanostructure in step (1) is added in an amount of 0.1-10 parts by weight relative to 100 parts by weight of the polyether polyol, the process further comprising: preparing the composite having the carbon nanostructure by: (i) mixing a biomass carbon source and a second catalyst, stirring and catalyzing, drying to obtain a precursor; (ii) maintaining a temperature of the precursor under a protective atmosphere at 280 ° C-350 ° C for 1.5h-2.5h, then heating by temperature programming to 950 ° C -1200 °C at a rate of 1 5-20 °C/min, maintaining the temperature for 3h-4h to obtain a crude product; and (iii) washing the crude product to obtain a composite having a carbon nanostructure. New
The process of claim 33, wherein the polyether polyol is any one selected from the group consisting of diol polyether, triol polyether, trimethylolpropane polyether and terminal hydroxyl polytetrahydrofuran ether, or a combination of at least two selected therefrom; the polyisocyanate is any one selected from the group consisting of toluene diisocyanate, diphenylmethane diisocyanate, modified diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate, or a combination of at least two selected therefrom; the emulsifier includes one or more surfactants; the foaming agent is any one selected from the group consisting of chemical foaming agent or physical foaming agent, the foaming agent added in an amount of 0.1-20 parts by weight; the first catalyst is any one selected from the group consisting of tertiary amine catalysts and/or metal salt catalysts, or a combination of at least two selected therefrom; the tertiary amine catalysts are any one selected from the group consisting of tri ethyl enedi amine, triethylamine, cyclohexylamine and diethanolamine, or a combination of at least two selected therefrom; the metal salt catalysts are any one selected from the group consisting of potassium acetate, potassium isooctanoate, potassium oleate, stannous octoate and dibutyltin dilaurate, or a combination of at least two selected therefrom; and the curing temperature in step (3) ranges from 20 ° C to 60 ° C and the curing lasts for 10- 20 m in. New
The process of claim 33, wherein the raw materials used in the process comprises the following components, in parts by weight: polyether polyol 100 parts; polyisocyanate 25-100 parts; composite having a carbon nanostructure 0.1-10 parts; first catalyst 0.1-4 parts; emulsifier 0.1-5 parts; and foaming agent 0.1-20 parts. New
The process of claim 33, wherein the graphene structure and a substance containing the noncarbon non-oxygen non-hydrogen element are introduced in a form of the composite having the carbon nanostructure. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of P, Ca and Na, or a combination of at least two selected therefrom. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of Ni, Mn, K, Mg, Cr, S or Co, or a combination of at least two selected therefrom, the non-carbon non-oxygen non- hydrogen element other than elements of Fe, Si and Al is in an amount of 0.5 wt % or less of the polyurethane foam, and the elements of Fe, Si and Al are in an amount of 0.01 wt 0.4 wt o of the polyurethane foam. New
The process of claim 33, wherein the graphene structure is introduced in a form of biomass graphene prepared by using biomass as raw material, the graphene structure having a thickness less than or equal to 100 nm. New
Layer stacks claimed or described, ordered top of device to substrate.
polyurethane foam comprising graphene structure
No layer stack recorded.
Materials described outside the worked examples.
composite having a carbon nanostructure (graphene-based composite)
polyether polyol
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Raman G To D Peak Height Ratio | 1–20 dimensionless | composite having a carbon nanostructure (graphene-based composite) |
Far Infrared Normal Emissivity | ≥ 0.85 dimensionless |
Patent
Atlas literature
Patent
US 10,519,268Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-32. Canceled
Canceled
A process for preparing a polyurethane foam having a graphene structure and a non-carbon non-oxygen non-hydrogen element comprising elements of Fe, Si and Al, wherein the combined weight of the elements of Fe, Si and Al are in an amount of 0.0018 wt 0.4 wt of the polyurethane foam, the process comprising: (1) adding into polyether polyol a composite having a carbon nanostructure, an emulsifier, a first catalyst, and a foaming agent, stirring and mixing homogeneously to obtain a polyether polyol monomer composition; (2) adding polyisocyanate into the polyether polyol monomer composition of step (1) and mixing homogeneously; and (3) pouring the mixture in step (2) into a mold for foaming, curing to obtain a polyurethane foam comprising the carbon nanostructure; optionally, further adding a functional auxiliary before obtaining the polyether polyol monomer composition in step (1), wherein the polyether polyol has a hydroxyl value of 20- 300 mg KOH/g; and the polyether polyol is a mixture of polyether having a hydroxyl value of 20-60 mg KOH/g and polyether having a hydroxyl value of 150-300 mg KOH/g in a mass ratio of 1:(0.1-10). New
The process of claim 33, wherein the composite having the carbon nanostructure in step (1) is added in an amount of 0.1-10 parts by weight relative to 100 parts by weight of the polyether polyol, the process further comprising: preparing the composite having the carbon nanostructure by: (i) mixing a biomass carbon source and a second catalyst, stirring and catalyzing, drying to obtain a precursor; (ii) maintaining a temperature of the precursor under a protective atmosphere at 280 ° C-350 ° C for 1.5h-2.5h, then heating by temperature programming to 950 ° C -1200 °C at a rate of 1 5-20 °C/min, maintaining the temperature for 3h-4h to obtain a crude product; and (iii) washing the crude product to obtain a composite having a carbon nanostructure. New
The process of claim 33, wherein the polyether polyol is any one selected from the group consisting of diol polyether, triol polyether, trimethylolpropane polyether and terminal hydroxyl polytetrahydrofuran ether, or a combination of at least two selected therefrom; the polyisocyanate is any one selected from the group consisting of toluene diisocyanate, diphenylmethane diisocyanate, modified diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate, or a combination of at least two selected therefrom; the emulsifier includes one or more surfactants; the foaming agent is any one selected from the group consisting of chemical foaming agent or physical foaming agent, the foaming agent added in an amount of 0.1-20 parts by weight; the first catalyst is any one selected from the group consisting of tertiary amine catalysts and/or metal salt catalysts, or a combination of at least two selected therefrom; the tertiary amine catalysts are any one selected from the group consisting of tri ethyl enedi amine, triethylamine, cyclohexylamine and diethanolamine, or a combination of at least two selected therefrom; the metal salt catalysts are any one selected from the group consisting of potassium acetate, potassium isooctanoate, potassium oleate, stannous octoate and dibutyltin dilaurate, or a combination of at least two selected therefrom; and the curing temperature in step (3) ranges from 20 ° C to 60 ° C and the curing lasts for 10- 20 m in. New
The process of claim 33, wherein the raw materials used in the process comprises the following components, in parts by weight: polyether polyol 100 parts; polyisocyanate 25-100 parts; composite having a carbon nanostructure 0.1-10 parts; first catalyst 0.1-4 parts; emulsifier 0.1-5 parts; and foaming agent 0.1-20 parts. New
The process of claim 33, wherein the graphene structure and a substance containing the noncarbon non-oxygen non-hydrogen element are introduced in a form of the composite having the carbon nanostructure. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of P, Ca and Na, or a combination of at least two selected therefrom. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of Ni, Mn, K, Mg, Cr, S or Co, or a combination of at least two selected therefrom, the non-carbon non-oxygen non- hydrogen element other than elements of Fe, Si and Al is in an amount of 0.5 wt % or less of the polyurethane foam, and the elements of Fe, Si and Al are in an amount of 0.01 wt 0.4 wt o of the polyurethane foam. New
The process of claim 33, wherein the graphene structure is introduced in a form of biomass graphene prepared by using biomass as raw material, the graphene structure having a thickness less than or equal to 100 nm. New
Layer stacks claimed or described, ordered top of device to substrate.
polyurethane foam comprising graphene structure
No layer stack recorded.
Materials described outside the worked examples.
composite having a carbon nanostructure (graphene-based composite)
polyether polyol
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Raman G To D Peak Height Ratio | 1–20 dimensionless | composite having a carbon nanostructure (graphene-based composite) |
Far Infrared Normal Emissivity | ≥ 0.85 dimensionless |
Patent
Atlas literature
Patent
US 10,519,268Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-32. Canceled
Canceled
A process for preparing a polyurethane foam having a graphene structure and a non-carbon non-oxygen non-hydrogen element comprising elements of Fe, Si and Al, wherein the combined weight of the elements of Fe, Si and Al are in an amount of 0.0018 wt 0.4 wt of the polyurethane foam, the process comprising: (1) adding into polyether polyol a composite having a carbon nanostructure, an emulsifier, a first catalyst, and a foaming agent, stirring and mixing homogeneously to obtain a polyether polyol monomer composition; (2) adding polyisocyanate into the polyether polyol monomer composition of step (1) and mixing homogeneously; and (3) pouring the mixture in step (2) into a mold for foaming, curing to obtain a polyurethane foam comprising the carbon nanostructure; optionally, further adding a functional auxiliary before obtaining the polyether polyol monomer composition in step (1), wherein the polyether polyol has a hydroxyl value of 20- 300 mg KOH/g; and the polyether polyol is a mixture of polyether having a hydroxyl value of 20-60 mg KOH/g and polyether having a hydroxyl value of 150-300 mg KOH/g in a mass ratio of 1:(0.1-10). New
The process of claim 33, wherein the composite having the carbon nanostructure in step (1) is added in an amount of 0.1-10 parts by weight relative to 100 parts by weight of the polyether polyol, the process further comprising: preparing the composite having the carbon nanostructure by: (i) mixing a biomass carbon source and a second catalyst, stirring and catalyzing, drying to obtain a precursor; (ii) maintaining a temperature of the precursor under a protective atmosphere at 280 ° C-350 ° C for 1.5h-2.5h, then heating by temperature programming to 950 ° C -1200 °C at a rate of 1 5-20 °C/min, maintaining the temperature for 3h-4h to obtain a crude product; and (iii) washing the crude product to obtain a composite having a carbon nanostructure. New
The process of claim 33, wherein the polyether polyol is any one selected from the group consisting of diol polyether, triol polyether, trimethylolpropane polyether and terminal hydroxyl polytetrahydrofuran ether, or a combination of at least two selected therefrom; the polyisocyanate is any one selected from the group consisting of toluene diisocyanate, diphenylmethane diisocyanate, modified diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate, or a combination of at least two selected therefrom; the emulsifier includes one or more surfactants; the foaming agent is any one selected from the group consisting of chemical foaming agent or physical foaming agent, the foaming agent added in an amount of 0.1-20 parts by weight; the first catalyst is any one selected from the group consisting of tertiary amine catalysts and/or metal salt catalysts, or a combination of at least two selected therefrom; the tertiary amine catalysts are any one selected from the group consisting of tri ethyl enedi amine, triethylamine, cyclohexylamine and diethanolamine, or a combination of at least two selected therefrom; the metal salt catalysts are any one selected from the group consisting of potassium acetate, potassium isooctanoate, potassium oleate, stannous octoate and dibutyltin dilaurate, or a combination of at least two selected therefrom; and the curing temperature in step (3) ranges from 20 ° C to 60 ° C and the curing lasts for 10- 20 m in. New
The process of claim 33, wherein the raw materials used in the process comprises the following components, in parts by weight: polyether polyol 100 parts; polyisocyanate 25-100 parts; composite having a carbon nanostructure 0.1-10 parts; first catalyst 0.1-4 parts; emulsifier 0.1-5 parts; and foaming agent 0.1-20 parts. New
The process of claim 33, wherein the graphene structure and a substance containing the noncarbon non-oxygen non-hydrogen element are introduced in a form of the composite having the carbon nanostructure. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of P, Ca and Na, or a combination of at least two selected therefrom. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of Ni, Mn, K, Mg, Cr, S or Co, or a combination of at least two selected therefrom, the non-carbon non-oxygen non- hydrogen element other than elements of Fe, Si and Al is in an amount of 0.5 wt % or less of the polyurethane foam, and the elements of Fe, Si and Al are in an amount of 0.01 wt 0.4 wt o of the polyurethane foam. New
The process of claim 33, wherein the graphene structure is introduced in a form of biomass graphene prepared by using biomass as raw material, the graphene structure having a thickness less than or equal to 100 nm. New
Layer stacks claimed or described, ordered top of device to substrate.
polyurethane foam comprising graphene structure
No layer stack recorded.
Materials described outside the worked examples.
composite having a carbon nanostructure (graphene-based composite)
polyether polyol
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Raman G To D Peak Height Ratio | 1–20 dimensionless | composite having a carbon nanostructure (graphene-based composite) |
Far Infrared Normal Emissivity | ≥ 0.85 dimensionless |
Patent
Atlas literature
Patent
US 10,519,268Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
1-32. Canceled
Canceled
A process for preparing a polyurethane foam having a graphene structure and a non-carbon non-oxygen non-hydrogen element comprising elements of Fe, Si and Al, wherein the combined weight of the elements of Fe, Si and Al are in an amount of 0.0018 wt 0.4 wt of the polyurethane foam, the process comprising: (1) adding into polyether polyol a composite having a carbon nanostructure, an emulsifier, a first catalyst, and a foaming agent, stirring and mixing homogeneously to obtain a polyether polyol monomer composition; (2) adding polyisocyanate into the polyether polyol monomer composition of step (1) and mixing homogeneously; and (3) pouring the mixture in step (2) into a mold for foaming, curing to obtain a polyurethane foam comprising the carbon nanostructure; optionally, further adding a functional auxiliary before obtaining the polyether polyol monomer composition in step (1), wherein the polyether polyol has a hydroxyl value of 20- 300 mg KOH/g; and the polyether polyol is a mixture of polyether having a hydroxyl value of 20-60 mg KOH/g and polyether having a hydroxyl value of 150-300 mg KOH/g in a mass ratio of 1:(0.1-10). New
The process of claim 33, wherein the composite having the carbon nanostructure in step (1) is added in an amount of 0.1-10 parts by weight relative to 100 parts by weight of the polyether polyol, the process further comprising: preparing the composite having the carbon nanostructure by: (i) mixing a biomass carbon source and a second catalyst, stirring and catalyzing, drying to obtain a precursor; (ii) maintaining a temperature of the precursor under a protective atmosphere at 280 ° C-350 ° C for 1.5h-2.5h, then heating by temperature programming to 950 ° C -1200 °C at a rate of 1 5-20 °C/min, maintaining the temperature for 3h-4h to obtain a crude product; and (iii) washing the crude product to obtain a composite having a carbon nanostructure. New
The process of claim 33, wherein the polyether polyol is any one selected from the group consisting of diol polyether, triol polyether, trimethylolpropane polyether and terminal hydroxyl polytetrahydrofuran ether, or a combination of at least two selected therefrom; the polyisocyanate is any one selected from the group consisting of toluene diisocyanate, diphenylmethane diisocyanate, modified diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate, or a combination of at least two selected therefrom; the emulsifier includes one or more surfactants; the foaming agent is any one selected from the group consisting of chemical foaming agent or physical foaming agent, the foaming agent added in an amount of 0.1-20 parts by weight; the first catalyst is any one selected from the group consisting of tertiary amine catalysts and/or metal salt catalysts, or a combination of at least two selected therefrom; the tertiary amine catalysts are any one selected from the group consisting of tri ethyl enedi amine, triethylamine, cyclohexylamine and diethanolamine, or a combination of at least two selected therefrom; the metal salt catalysts are any one selected from the group consisting of potassium acetate, potassium isooctanoate, potassium oleate, stannous octoate and dibutyltin dilaurate, or a combination of at least two selected therefrom; and the curing temperature in step (3) ranges from 20 ° C to 60 ° C and the curing lasts for 10- 20 m in. New
The process of claim 33, wherein the raw materials used in the process comprises the following components, in parts by weight: polyether polyol 100 parts; polyisocyanate 25-100 parts; composite having a carbon nanostructure 0.1-10 parts; first catalyst 0.1-4 parts; emulsifier 0.1-5 parts; and foaming agent 0.1-20 parts. New
The process of claim 33, wherein the graphene structure and a substance containing the noncarbon non-oxygen non-hydrogen element are introduced in a form of the composite having the carbon nanostructure. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of P, Ca and Na, or a combination of at least two selected therefrom. New
The process of claim 33, wherein the non-carbon non-oxygen non-hydrogen element further comprises any one selected from the group consisting of Ni, Mn, K, Mg, Cr, S or Co, or a combination of at least two selected therefrom, the non-carbon non-oxygen non- hydrogen element other than elements of Fe, Si and Al is in an amount of 0.5 wt % or less of the polyurethane foam, and the elements of Fe, Si and Al are in an amount of 0.01 wt 0.4 wt o of the polyurethane foam. New
The process of claim 33, wherein the graphene structure is introduced in a form of biomass graphene prepared by using biomass as raw material, the graphene structure having a thickness less than or equal to 100 nm. New
Layer stacks claimed or described, ordered top of device to substrate.
polyurethane foam comprising graphene structure
No layer stack recorded.
Materials described outside the worked examples.
composite having a carbon nanostructure (graphene-based composite)
polyether polyol
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Raman G To D Peak Height Ratio | 1–20 dimensionless | composite having a carbon nanostructure (graphene-based composite) |
Far Infrared Normal Emissivity | ≥ 0.85 dimensionless |
polyisocyanate
foaming agent
biomass carbon source (cellulose and/or lignose)
second catalyst (manganese, iron, cobalt, or nickel compound)
biomass graphene
composite having a carbon nanostructure (graphene-based composite) |
Graphene Layer Thickness | ≤ 100 nm | biomass graphene |
Carbon Content | ≥ 80 wt% | composite having a carbon nanostructure (graphene-based composite) |
Temperature | 150–200 °C | — |
Temperature | 280–350 °C | — |
Temperature | 3–5 °C | — |
Temperature | 15–20 °C | — |
Temperature | 55–65 °C | — |
Temperature | 20–60 °C | — |
Pressure | 0.1–10 pa | — |
Temperature | 5–20 °C | — |
Pressure | 0.1–20 pa | — |
Pressure | 25–100 pa | — |
Pressure | 0.1–4 pa | — |
Pressure | 0.1–5 pa | — |
polyisocyanate
foaming agent
biomass carbon source (cellulose and/or lignose)
second catalyst (manganese, iron, cobalt, or nickel compound)
biomass graphene
composite having a carbon nanostructure (graphene-based composite) |
Graphene Layer Thickness | ≤ 100 nm | biomass graphene |
Carbon Content | ≥ 80 wt% | composite having a carbon nanostructure (graphene-based composite) |
Temperature | 150–200 °C | — |
Temperature | 280–350 °C | — |
Temperature | 3–5 °C | — |
Temperature | 15–20 °C | — |
Temperature | 55–65 °C | — |
Temperature | 20–60 °C | — |
Pressure | 0.1–10 pa | — |
Temperature | 5–20 °C | — |
Pressure | 0.1–20 pa | — |
Pressure | 25–100 pa | — |
Pressure | 0.1–4 pa | — |
Pressure | 0.1–5 pa | — |
polyisocyanate
foaming agent
biomass carbon source (cellulose and/or lignose)
second catalyst (manganese, iron, cobalt, or nickel compound)
biomass graphene
composite having a carbon nanostructure (graphene-based composite) |
Graphene Layer Thickness | ≤ 100 nm | biomass graphene |
Carbon Content | ≥ 80 wt% | composite having a carbon nanostructure (graphene-based composite) |
Temperature | 150–200 °C | — |
Temperature | 280–350 °C | — |
Temperature | 3–5 °C | — |
Temperature | 15–20 °C | — |
Temperature | 55–65 °C | — |
Temperature | 20–60 °C | — |
Pressure | 0.1–10 pa | — |
Temperature | 5–20 °C | — |
Pressure | 0.1–20 pa | — |
Pressure | 25–100 pa | — |
Pressure | 0.1–4 pa | — |
Pressure | 0.1–5 pa | — |
polyisocyanate
foaming agent
biomass carbon source (cellulose and/or lignose)
second catalyst (manganese, iron, cobalt, or nickel compound)
biomass graphene
composite having a carbon nanostructure (graphene-based composite) |
Graphene Layer Thickness | ≤ 100 nm | biomass graphene |
Carbon Content | ≥ 80 wt% | composite having a carbon nanostructure (graphene-based composite) |
Temperature | 150–200 °C | — |
Temperature | 280–350 °C | — |
Temperature | 3–5 °C | — |
Temperature | 15–20 °C | — |
Temperature | 55–65 °C | — |
Temperature | 20–60 °C | — |
Pressure | 0.1–10 pa | — |
Temperature | 5–20 °C | — |
Pressure | 0.1–20 pa | — |
Pressure | 25–100 pa | — |
Pressure | 0.1–4 pa | — |
Pressure | 0.1–5 pa | — |