CN106750087A - The preparation method of Graphene Waterborne PU Composite - Google Patents

The preparation method of Graphene Waterborne PU Composite Download PDF

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CN106750087A
CN106750087A CN201611160629.8A CN201611160629A CN106750087A CN 106750087 A CN106750087 A CN 106750087A CN 201611160629 A CN201611160629 A CN 201611160629A CN 106750087 A CN106750087 A CN 106750087A
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graphene
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waterborne
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王耀斌
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Shaanxi Gaoxin Industry Co Ltd
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Shaanxi Gaoxin Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/32Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203Polyhydroxy compounds
    • C08G18/3206Polyhydroxy compounds aliphatic
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/34Carboxylic acids; Esters thereof with monohydroxyl compounds
    • C08G18/348Hydroxycarboxylic acids
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    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/42Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4236Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
    • C08G18/4238Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633Compounds of group C08G18/42
    • C08G18/6637Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633Compounds of group C08G18/42
    • C08G18/6659Compounds of group C08G18/42 with compounds of group C08G18/34
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K3/02Elements
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K9/04Ingredients treated with organic substances
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    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
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    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04Polyurethanes
    • C09J175/06Polyurethanes from polyesters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils

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Abstract

The preparation method of Graphene Waterborne PU Composite of the present invention is related to polyurethane industrial field, and in particular to the preparation method of Graphene Waterborne PU Composite, comprises the following steps:The preparation of graphene oxide, 230mL sulfuric acid is added in dry beaker, it is placed in ice-water bath, 5g graphite and 5g sodium nitrate is added under magnetic stirring, is sufficiently mixed it, it is then slowly added into 30g potassium permanganate, after less than 10 degree are continued to stir 2h, 30min is stirred in continuation in moving into 35 degree of tepidariums, and 200mL distilled water is added dropwise, 90 degree are then heated to, continues stirring reaction 30min;Reaction solution is diluted to 1000mL with distilled water, it is subsequently added 30g hydrogen peroxide, filter while hot, filter residue is respectively with 5% hydrochloric acid and deionized water cyclic washing until aqueous ph value is 6.8 7.2, dried in 45 degree of drying casees, graphite oxide powder is obtained after grinding sieving, 150mg graphite oxide powder is taken and is placed in wide-mouth bottle;The present invention is simple to operate, convenient processing, and with preferable stability, it is functional, it is ensured that safe and reliable.

Description

The preparation method of Graphene-Waterborne PU Composite
Technical field
The present invention relates to polyurethane industrial field, and in particular to the preparation method of Graphene-Waterborne PU Composite.
Background technology
Graphene is a kind of novel nano material of the individual layer bi-dimensional cellular shape lattice structure tightly packed by carbon atom Material, with the performance such as excellent carrier transport factor, thermal conductivity and electrical conductivity, high intensity, in electronics, the energy, material and biological doctor The aspects such as medicine have important application value.The preparation method of Graphene is broadly divided into graphite oxide reducing process, mechanical stripping Method, chemical vapour deposition technique, epitaxial growth method etc., wherein graphite oxide reducing process are that graphite first is obtained into edge through chemical oxidation Containing carboxyl, carbonyl, zone line hydroxyl, the graphite oxide of epoxy radicals, then by mechanical stripping, obtain monatomic thickness The graphene oxide of degree, further reduction can prepare Graphene.Graphite oxide reducing process is to prepare Graphene at present the most Extensive method.
Because graphenic surface is in chemical inertness, Van der Waals force is strong between lamella, easily produces aggregation.Function is carried out to it It is to study the important topic of Graphene at present to change modification to improve dispersiveness.Isocyanates has very active reactivity, Can be chemically reacted with hydroxyl, carboxyl, epoxy radicals etc., therefore be widely used in preparing the function containing closing NCO group Graphite alkene.
The content of the invention
It is a kind of simple to operate present invention aim at providing, convenient processing, and with preferable stability, it is functional, Ensure the preparation method of safe and reliable Graphene-Waterborne PU Composite.
The preparation method of Graphene-Waterborne PU Composite of the present invention, comprises the following steps:
The first step, the preparation of graphene oxide
230mL sulfuric acid is added in dry beaker, is placed in ice-water bath, 5g graphite and 5g nitric acid are added under magnetic stirring Sodium, is sufficiently mixed it, is then slowly added into 30g potassium permanganate, after less than 10 degree are continued to stir 2h, in 35 degree of tepidariums of immigration Continue to stir 30min, 200mL distilled water is added dropwise, then heat to 90 degree, continue stirring reaction 30min;To be reacted with distilled water Liquid is diluted to 1000mL, is subsequently added 30g hydrogen peroxide, filters while hot, filter residue respectively with 5% hydrochloric acid and deionized water repeatedly Washing is 6.8-7.2 up to aqueous ph value, is dried in 45 degree of drying casees, and graphite oxide powder is obtained after grinding sieving, is taken 150mg graphite oxide powder is placed in wide-mouth bottle, and the DMF for adding 50mL dewater treatments to cross, ultrasonic disperse is obtained It is the graphene oxide solution of 3g/L to concentration;
Second step, the preparation of semiclosed toluene di-isocyanate(TDI)
The N for adding 100g toluene di-isocyanate(TDI)s and 50mL dewater treatments to cross in dry there-necked flask, N- dimethyl formyls Amine, is placed in ice-water bath, starts that methyl ethyl ketoxime 0.5g is added dropwise when solution temperature in bottle is down to 0 degree;Protected all the time during dropwise addition Hold solution temperature in bottle and be no more than 5 degree, continue to stir after completion of dropping, stop stirring when NCO mass fractions reach 10-12% Mix, semiclosed toluene di-isocyanate(TDI), Cord blood is stand-by during material sealing is deposited in into refrigerator;
3rd step, the preparation of the functionalization graphene containing closing NCO group
The DMF solution for taking dissolving 150mg graphene oxides is placed in four-hole boiling flask, adds 2g above-mentioned half to seal Toluene di-isocyanate(TDI) is closed, 50 degree of 100 degree of holding 24h of hydrazine hydrate for keeping addition 1mL after 72h are washed and are centrifuged with acetone, instead Multiple operation, until the acetone soln of wash-out is evaporated rear noresidue material, prepares the functionalization graphene containing closing NCO group, To contain closing NCO group functionalization graphene put 45 degree of vacuum drying in dry 48h, in depositing in drier after pulverizing It is standby;
4th step, the preparation of Graphene-Waterborne PU Composite dispersion liquid and glued membrane
Poly adipate succinic acid ester is down to room temperature after dewater treatment 1-1.5h under the conditions of 120 degree, -0.09MPa, different Buddhist is added That ketone diisocyanate, Isosorbide-5-Nitrae butanediol, dihydromethyl propionic acid, the pyrrolidones of 1 methyl 2,3h is reacted after being warming up to 80 degree, Be added dropwise 3 with glue head dropper again and drip dibutyl tin laurates, continue stirring reaction 1h, then reduce temperature to 30-35 spend when, plus Enter the functionalization graphene containing closing NCO group, add triethylamine to neutralize after stirring reaction 30min, continue to stir 5min, so Add the dispersion of deionized water high speed shear afterwards, add ethylenediamine, continue to stir 10h, filter Graphene-aqueous polyurethane is multiple Condensation material dispersion liquid;The dispersion liquid is placed in mould, and drying is solidified in 80 degree of drying boxes, prepares Graphene-aqueous polyurethane Composite glued membrane.
Preferably, mould is Teflon mould.
The present invention is simple to operate, convenient processing, and with preferable stability, it is functional, it is ensured that safe and reliable.
Specific embodiment
Embodiment one:
The preparation method of Graphene-Waterborne PU Composite of the present invention, comprises the following steps:
The first step, the preparation of graphene oxide
230mL sulfuric acid is added in dry beaker, is placed in ice-water bath, 5g graphite and 5g nitric acid are added under magnetic stirring Sodium, is sufficiently mixed it, is then slowly added into 30g potassium permanganate, after less than 10 degree are continued to stir 2h, in 35 degree of tepidariums of immigration Continue to stir 30min, 200mL distilled water is added dropwise, then heat to 90 degree, continue stirring reaction 30min;To be reacted with distilled water Liquid is diluted to 1000mL, is subsequently added 30g hydrogen peroxide, filters while hot, filter residue respectively with 5% hydrochloric acid and deionized water repeatedly Washing is 6.8-7.2 up to aqueous ph value, is dried in 45 degree of drying casees, and graphite oxide powder is obtained after grinding sieving, is taken 150mg graphite oxide powder is placed in wide-mouth bottle, and the DMF for adding 50mL dewater treatments to cross, ultrasonic disperse is obtained It is the graphene oxide solution of 3g/L to concentration;
Second step, the preparation of semiclosed toluene di-isocyanate(TDI)
The N for adding 100g toluene di-isocyanate(TDI)s and 50mL dewater treatments to cross in dry there-necked flask, N- dimethyl formyls Amine, is placed in ice-water bath, starts that methyl ethyl ketoxime 0.5g is added dropwise when solution temperature in bottle is down to 0 degree;Protected all the time during dropwise addition Hold solution temperature in bottle and be no more than 5 degree, continue to stir after completion of dropping, stop stirring when NCO mass fractions reach 10-12% Mix, semiclosed toluene di-isocyanate(TDI), Cord blood is stand-by during material sealing is deposited in into refrigerator;
3rd step, the preparation of the functionalization graphene containing closing NCO group
The DMF solution for taking dissolving 150mg graphene oxides is placed in four-hole boiling flask, adds 2g above-mentioned half to seal Toluene di-isocyanate(TDI) is closed, 50 degree of 100 degree of holding 24h of hydrazine hydrate for keeping addition 1mL after 72h are washed and are centrifuged with acetone, instead Multiple operation, until the acetone soln of wash-out is evaporated rear noresidue material, prepares the functionalization graphene containing closing NCO group, To contain closing NCO group functionalization graphene put 45 degree of vacuum drying in dry 48h, in depositing in drier after pulverizing It is standby;
4th step, the preparation of Graphene-Waterborne PU Composite dispersion liquid and glued membrane
Poly adipate succinic acid ester is down to room temperature after dewater treatment 1-1.5h under the conditions of 120 degree, -0.09MPa, different Buddhist is added That ketone diisocyanate, Isosorbide-5-Nitrae butanediol, dihydromethyl propionic acid, the pyrrolidones of 1 methyl 2,3h is reacted after being warming up to 80 degree, Be added dropwise 3 with glue head dropper again and drip dibutyl tin laurates, continue stirring reaction 1h, then reduce temperature to 30-35 spend when, plus Enter the functionalization graphene containing closing NCO group, add triethylamine to neutralize after stirring reaction 30min, continue to stir 5min, so Add the dispersion of deionized water high speed shear afterwards, add ethylenediamine, continue to stir 10h, filter Graphene-aqueous polyurethane is multiple Condensation material dispersion liquid;The dispersion liquid is placed in mould, and drying is solidified in 80 degree of drying boxes, prepares Graphene-aqueous polyurethane Composite glued membrane.
Embodiment two:
The preparation method of Graphene-Waterborne PU Composite of the present invention, it is characterised in that comprise the following steps:
The first step, the preparation of graphene oxide
230mL sulfuric acid is added in dry beaker, is placed in ice-water bath, 5g graphite and 5g nitric acid are added under magnetic stirring Sodium, is sufficiently mixed it, is then slowly added into 30g potassium permanganate, after less than 10 degree are continued to stir 2h, in 35 degree of tepidariums of immigration Continue to stir 30min, 200mL distilled water is added dropwise, then heat to 90 degree, continue stirring reaction 30min;To be reacted with distilled water Liquid is diluted to 1000mL, is subsequently added 30g hydrogen peroxide, filters while hot, filter residue respectively with 5% hydrochloric acid and deionized water repeatedly Washing is 6.8-7.2 up to aqueous ph value, is dried in 45 degree of drying casees, and graphite oxide powder is obtained after grinding sieving, is taken 150mg graphite oxide powder is placed in wide-mouth bottle, and the DMF for adding 50mL dewater treatments to cross, ultrasonic disperse is obtained It is the graphene oxide solution of 3g/L to concentration;
Second step, the preparation of semiclosed toluene di-isocyanate(TDI)
The N for adding 100g toluene di-isocyanate(TDI)s and 50mL dewater treatments to cross in dry there-necked flask, N- dimethyl formyls Amine, is placed in ice-water bath, starts that methyl ethyl ketoxime 0.5g is added dropwise when solution temperature in bottle is down to 0 degree;Protected all the time during dropwise addition Hold solution temperature in bottle and be no more than 5 degree, continue to stir after completion of dropping, stop stirring when NCO mass fractions reach 10-12% Mix, semiclosed toluene di-isocyanate(TDI), Cord blood is stand-by during material sealing is deposited in into refrigerator;
3rd step, the preparation of the functionalization graphene containing closing NCO group
The DMF solution for taking dissolving 150mg graphene oxides is placed in four-hole boiling flask, adds 2g above-mentioned half to seal Toluene di-isocyanate(TDI) is closed, 50 degree of 100 degree of holding 24h of hydrazine hydrate for keeping addition 1mL after 72h are washed and are centrifuged with acetone, instead Multiple operation, until the acetone soln of wash-out is evaporated rear noresidue material, prepares the functionalization graphene containing closing NCO group, To contain closing NCO group functionalization graphene put 45 degree of vacuum drying in dry 48h, in depositing in drier after pulverizing It is standby;
4th step, the preparation of Graphene-Waterborne PU Composite dispersion liquid and glued membrane
Poly adipate succinic acid ester is down to room temperature after dewater treatment 1-1.5h under the conditions of 120 degree, -0.09MPa, different Buddhist is added That ketone diisocyanate, Isosorbide-5-Nitrae butanediol, dihydromethyl propionic acid, the pyrrolidones of 1 methyl 2,3h is reacted after being warming up to 80 degree, Be added dropwise 3 with glue head dropper again and drip dibutyl tin laurates, continue stirring reaction 1h, then reduce temperature to 30-35 spend when, plus Enter the functionalization graphene containing closing NCO group, add triethylamine to neutralize after stirring reaction 30min, continue to stir 5min, so Add the dispersion of deionized water high speed shear afterwards, add ethylenediamine, continue to stir 10h, filter Graphene-aqueous polyurethane is multiple Condensation material dispersion liquid;The dispersion liquid is placed in mould, and drying is solidified in 80 degree of drying boxes, prepares Graphene-aqueous polyurethane Composite glued membrane.
Mould is Teflon mould.
The present invention is simple to operate, convenient processing, and with preferable stability, it is functional, it is ensured that safe and reliable.

Claims (2)

1. a kind of preparation method of Graphene-Waterborne PU Composite, it is characterised in that comprise the following steps:
The first step, the preparation of graphene oxide adds 230mL sulfuric acid in dry beaker, is placed in ice-water bath, is stirred in magnetic force Lower addition 5g graphite and 5g sodium nitrate are mixed, it is sufficiently mixed, 30g potassium permanganate is then slowly added into, less than 10 degree are continued to stir After mixing 2h, 30min is stirred in continuation in moving into 35 degree of tepidariums, and 200mL distilled water is added dropwise, and then heats to 90 degree, continues to stir Reaction 30min;Reaction solution is diluted to 1000mL with distilled water, 30g hydrogen peroxide is subsequently added, filtered while hot, filter residue is used respectively 5% hydrochloric acid and deionized water cyclic washing is 6.8-7.2 up to aqueous ph value, is dried in 45 degree of drying casees, grinding sieving After obtain graphite oxide powder, take 150mg graphite oxide powder and be placed in wide-mouth bottle, add 50mL the dewater treatments N, N- bis- that cross NMF, ultrasonic disperse obtains the graphene oxide solution that concentration is 3g/L;
Second step, the preparation of semiclosed toluene di-isocyanate(TDI) adds 100g toluene diisocynates in dry there-necked flask The DMF that ester and 50mL dewater treatments are crossed, is placed in ice-water bath, starts when solution temperature in bottle is down to 0 degree Methyl ethyl ketoxime 0.5g is added dropwise;Remain that solution temperature is no more than 5 degree in bottle during dropwise addition, continue to stir after completion of dropping, Stop stirring when NCO mass fractions reach 10-12%, material sealing is deposited in refrigerator by semiclosed toluene di-isocyanate(TDI) Middle Cord blood is stand-by;
3rd step, the preparation of the functionalization graphene containing closing NCO group, takes the N of dissolving 150mg graphene oxides, N- diformazans Base formamide solution is placed in four-hole boiling flask, adds the above-mentioned semiclosed toluene di-isocyanate(TDI)s of 2g, and 50 degree keep addition after 72h 100 degree of holding 24h of hydrazine hydrate of 1mL, are washed and are centrifuged with acetone, are operated repeatedly, until the acetone soln of wash-out is evaporated rear nothing Residuals, prepare the functionalization graphene containing closing NCO group, and the functionalization graphene containing closing NCO group is put into 45 48h is dried in degree vacuum drying, is deposited in after pulverizing standby in drier;
4th step, the preparation of Graphene-Waterborne PU Composite dispersion liquid and glued membrane, poly adipate succinic acid ester is existed 120 degree, room temperature is down under the conditions of -0.09MPa after dewater treatment 1-1.5h, add IPDI, Isosorbide-5-Nitrae-fourth two Alcohol, dihydromethyl propionic acid, 1-Methyl-2-Pyrrolidone, react 3h, then are added dropwise 3 with glue head dropper and drip February after being warming up to 80 degree Dilaurylate, continue stirring reaction 1h, then reduce temperature to 30-35 spend when, add containing closing NCO group functionalization Graphene, adds triethylamine to neutralize after stirring reaction 30min, continue to stir 5min, is subsequently adding deionized water high speed shear point Dissipate, add ethylenediamine, continue to stir 10h, filter to obtain Graphene-Waterborne PU Composite dispersion liquid;The dispersion liquid is put In mould, drying is solidified in 80 degree of drying boxes, prepare Graphene-Waterborne PU Composite glued membrane.
2. the preparation method of Graphene-Waterborne PU Composite as claimed in claim 1, it is characterised in that the mould It is Teflon mould.
CN201611160629.8A 2016-12-15 2016-12-15 The preparation method of Graphene Waterborne PU Composite Pending CN106750087A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108251907A (en) * 2017-12-05 2018-07-06 重庆石墨烯研究院有限公司 A kind of High-performance graphene-polyvinyl alcohol composite fiber preparation method
CN108659199A (en) * 2018-04-13 2018-10-16 中国皮革和制鞋工业研究院(晋江)有限公司 Modified aqueous polyurethane dispersoid and preparation method thereof and vamp finishing agent
CN109942785A (en) * 2019-02-26 2019-06-28 昆山嘉力普制版胶粘剂油墨有限公司 A kind of preparation method of carboxylated graphene oxide modified carboxylic acid type aqueous polyurethane
CN110156000A (en) * 2019-06-04 2019-08-23 四川恒力盛泰石墨烯科技有限公司 A kind of Multistage dispersion method of graphene
CN111057212A (en) * 2019-12-26 2020-04-24 江苏舜天新盈轻工业有限公司 Preparation process of graphene oxide polyurethane sealing foaming adhesive and foaming adhesive
CN111410905A (en) * 2020-04-26 2020-07-14 朱建程 Functional graphene modified polyurethane conductive anticorrosive coating and preparation method thereof
CN111484757A (en) * 2020-04-17 2020-08-04 连云港杜钟新奥神氨纶有限公司 Modified graphene oxide and preparation method thereof
CN111621137A (en) * 2020-06-22 2020-09-04 福州大学 Low-smoke low-toxicity flame-retardant thermoplastic polyurethane composite material and preparation method thereof
CN114875499A (en) * 2022-05-16 2022-08-09 绍兴渠广纺织有限公司 Composite fiber warp-knitted fabric and preparation process thereof
CN114907712A (en) * 2022-06-21 2022-08-16 浙江云度新材料科技有限公司 Preparation method of graphene anticorrosive paint

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108251907A (en) * 2017-12-05 2018-07-06 重庆石墨烯研究院有限公司 A kind of High-performance graphene-polyvinyl alcohol composite fiber preparation method
CN108659199A (en) * 2018-04-13 2018-10-16 中国皮革和制鞋工业研究院(晋江)有限公司 Modified aqueous polyurethane dispersoid and preparation method thereof and vamp finishing agent
CN109942785A (en) * 2019-02-26 2019-06-28 昆山嘉力普制版胶粘剂油墨有限公司 A kind of preparation method of carboxylated graphene oxide modified carboxylic acid type aqueous polyurethane
CN110156000A (en) * 2019-06-04 2019-08-23 四川恒力盛泰石墨烯科技有限公司 A kind of Multistage dispersion method of graphene
CN110156000B (en) * 2019-06-04 2022-07-12 四川恒力盛泰石墨烯科技有限公司 Multistage dispersion method of graphene
CN111057212A (en) * 2019-12-26 2020-04-24 江苏舜天新盈轻工业有限公司 Preparation process of graphene oxide polyurethane sealing foaming adhesive and foaming adhesive
CN111484757A (en) * 2020-04-17 2020-08-04 连云港杜钟新奥神氨纶有限公司 Modified graphene oxide and preparation method thereof
CN111484757B (en) * 2020-04-17 2021-10-22 连云港杜钟新奥神氨纶有限公司 Modified graphene oxide and preparation method thereof
CN111410905A (en) * 2020-04-26 2020-07-14 朱建程 Functional graphene modified polyurethane conductive anticorrosive coating and preparation method thereof
CN111621137A (en) * 2020-06-22 2020-09-04 福州大学 Low-smoke low-toxicity flame-retardant thermoplastic polyurethane composite material and preparation method thereof
CN111621137B (en) * 2020-06-22 2021-12-21 福州大学 Low-smoke low-toxicity flame-retardant thermoplastic polyurethane composite material and preparation method thereof
CN114875499A (en) * 2022-05-16 2022-08-09 绍兴渠广纺织有限公司 Composite fiber warp-knitted fabric and preparation process thereof
CN114907712A (en) * 2022-06-21 2022-08-16 浙江云度新材料科技有限公司 Preparation method of graphene anticorrosive paint

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