阅读说明：本技术 一种氧化石墨烯复合聚二甲基二烯丙基氯化铵制造复合导电材料的工艺 (A kind of technique of the compound polydimethyl diallyl ammonium chloride manufacture composite conducting material of graphene oxide ) 是由 俞益平 徐小云 于 2019-07-31 设计创作，主要内容包括：本发明涉及一种氧化石墨烯复合聚二甲基二烯丙基氯化铵制造复合导电材料的工艺,本发明中,利用石墨烯复合聚二甲基二烯丙基氯化铵制得一种优越的导电材料,具有超高的导电性,充分利用了石墨烯的特性,制造成本低,且产品导电性能好,属于热导率和机械性能优越,不生锈,不污染环境,属于清洁的新型材料。(The present invention relates to a kind of techniques of the compound polydimethyl diallyl ammonium chloride manufacture composite conducting material of graphene oxide, in the present invention, a kind of superior conductive material is made using the compound polydimethyl diallyl ammonium chloride of graphene, the electric conductivity with superelevation takes full advantage of the characteristic of graphene, manufacturing cost is low, and product conducts electricity very well, and belongs to thermal conductivity and mechanical performance is superior, non-corrosive, it is free from environmental pollution, belong to clean new material.)

1. a kind of technique of the compound polydimethyl diallyl ammonium chloride manufacture composite conducting material of graphene oxide, feature exist In, comprising the following steps:

S1 takes phosphoric acid and the concentrated sulfuric acid after mixing, and 3g graphite powder is added, potassium permanganate is slowly added to after mixing evenly, in 50- 60 C water baths are centrifuged washing after being stirred to react 10-12 hours, and are freeze-dried, and obtain graphite oxide, weigh a certain amount of oxygen Graphite is add to deionized water, and makes the concentration 0.6-2.0mg/mL of graphite oxide, and ultrasonic treatment obtains height for 2-3 hours The molar ratio of the graphene oxide water solution of dispersion, wherein phosphoric acid, sulfuric acid, graphite and potassium permanganate is (40-50): (350- 400): (3-4): (8-10)；

S2 is added graphene oxide into the polydimethyl diallyl ammonium chloride aqueous solution that concentration is 13-15g/L, in 70- Magnetic agitation is reacted 20-30 hours at 80 DEG C, is cooled to room temperature after the reaction was completed, eccentric cleaning, is obtained product freeze-drying, is ground Honed sieve obtains the compound polydimethyl diallyl ammonium chloride composite conducting material of graphene oxide.

2. the compound polydimethyl diallyl ammonium chloride of a kind of graphene oxide according to claim 1 manufactures composite conducting The technique of material, which is characterized in that polydimethyl diallyl ammonium chloride in polydimethyl diallyl ammonium chloride aqueous solution The mass ratio of quality and the additional amount of graphene oxide is (1-3): 1.

3. the compound polydimethyl diallyl ammonium chloride of a kind of graphene oxide according to claim 1 manufactures composite conducting The technique of material, it is characterised in that: poly dimethyl allyl chlorination in the polydimethyl diallyl ammonium chloride aqueous solution The molecular weight of ammonium is 10000 or more.

4. the compound polydimethyl diallyl ammonium chloride of a kind of graphene oxide according to claim 1 manufactures composite conducting The technique of material, it is characterised in that: the freeze-drying step is that the product of eccentric cleaning is packed into pallet, and thickness control is in 8- Then pallet is placed in quick freezing repository -20~-10 DEG C hereinafter, quick-frozen time 2h by 10mm, it is quick-frozen it is good after be placed in hothouse, do The vacuum degree control of dry room improves temperature to 45 DEG C in 50~90Pa, and freeze-drying terminates after 8-10h, opens vacuum gas filling valve and is charged into Nitrogen or dried air.

5. the compound polydimethyl diallyl ammonium chloride of a kind of graphene oxide according to claim 1 manufactures composite conducting The technique of material, it is characterised in that: the oxidation technology of graphite is to impregnate graphite powder with oleum in the S1, and graphite is by oxygen Change, between mixing acid ion intrusion graphite flake layer, adds potassium hyperchlorate powder and carry out secondary oxidation, then put into reactant It is dry after washing filtering to neutrality in a large amount of water.

6. a kind of composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide.

7. a kind of application of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide is used for electronics device Electric action is played in material, battery and sensor.

8. a kind of application method of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide, will aoxidize The composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene be made replace after conducting wire traditional aluminum conductor or Copper conductor.

Technical field

The invention belongs to graphene conductive technical field more particularly to a kind of compound two allyls of poly dimethyl of graphene oxide The technique of ammonium chloride manufacture composite conducting material.

Background technique

Carbon material has important application with its unique structure and property in analytical chemistry.Wherein carbon nanotube and graphite Alkene be studied in carbon material it is most deep and most popular.Carbon nanotube as a kind of function admirable nano material in chemical field It is widely studied and applied.But carbon nanotube unique leads to the composite wood using it as matrix the disadvantage is that production cost is too high The large-scale production of material is by certain obstruction.Graphene is supplement or the ideal material for replacing carbon nanotube.Graphene is mesh Preceding found most thin two-dimension nano materials, it is the quasi- two-dimensional space knot formed in the form of sp2 hydridization by carbon atom Structure.The electron-transporting of thermal conductance, excellent mechanical performance and brilliance that graphene has many very unique properties for example high Energy.

Studies have shown that how this discovery, be applied to actual by graphene and the compound electric conductivity with superelevation of PDMDAAC It is to be probed into the problem of of the invention in industrial production.

Summary of the invention

In view of the above, the present invention exactly against the above technical problems, provides the preparation method of composite conducting material.

A kind of technique of the compound polydimethyl diallyl ammonium chloride manufacture composite conducting material of graphene oxide, including with Lower step:

S1 takes phosphoric acid and the concentrated sulfuric acid after mixing, and 3g graphite powder is added, potassium permanganate is slowly added to after mixing evenly, in 50- 60 C water baths are centrifuged washing after being stirred to react 10-12 hours, and are freeze-dried, and obtain graphite oxide, weigh a certain amount of oxygen Graphite is add to deionized water, and makes the concentration 0.6-2.0mg/mL of graphite oxide, and ultrasonic treatment obtains height for 2-3 hours The molar ratio of the graphene oxide water solution of dispersion, wherein phosphoric acid, sulfuric acid, graphite and potassium permanganate is (40-50): (350- 400): (3-4): (8-10)；

S2 is added graphene oxide into the polydimethyl diallyl ammonium chloride aqueous solution that concentration is 13-15g/L, in 70- Magnetic agitation is reacted 20-30 hours at 80 DEG C, is cooled to room temperature after the reaction was completed, eccentric cleaning, is obtained product freeze-drying, is ground Honed sieve obtains the compound polydimethyl diallyl ammonium chloride composite conducting material of graphene oxide.

The present invention can advanced optimize as poly dimethyl allyl chlorine in polydimethyl diallyl ammonium chloride aqueous solution The mass ratio for changing the quality of ammonium and the additional amount of graphene oxide is (1-3): 1.

The present invention can advanced optimize as poly dimethyl allyl chlorine in polydimethyl diallyl ammonium chloride aqueous solution The molecular weight for changing ammonium is 10000 or more.

The present invention can advanced optimize as freeze-drying step is that the product of eccentric cleaning is packed into pallet, thickness control In 8-10mm, pallet is then placed in quick freezing repository -20~-10 DEG C hereinafter, quick-frozen time 2h, it is quick-frozen it is good after be placed in hothouse Interior, the vacuum degree control of hothouse improves temperature to 45 DEG C, freeze-drying terminates after 8-10h, opens vacuum gas filling valve in 50~90Pa It is charged into nitrogen or dried air.

The present invention can advanced optimize as the oxidation technology of graphite is to impregnate graphite powder, graphite quilt with fuming nitric aicd in S1 Oxidation between nitrate ion invades graphite flake layer, adds potassium hyperchlorate powder and carries out secondary oxidation, then put into reactant It is dry after washing filtering to neutrality in a large amount of water.

A kind of composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide.

A kind of application of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide is used for electronics Electric action is played in equipment, battery and sensor.

A kind of application method of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide, by oxygen The composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphite alkene be made replace after conducting wire traditional aluminum conductor or Person's copper conductor.

In the present invention, a kind of composite conducting material of row is made using the compound polydimethyl diallyl ammonium chloride of graphene Material, the electric conductivity with superelevation, takes full advantage of the characteristic of graphene, manufacturing cost is low, and product non-corrosive, does not pollute ring Border belongs to clean new material.

Specific embodiment

A kind of preparation method embodiment of NEW TYPE OF COMPOSITE conductive material of the present invention is done furtherly according to following embodiment It is bright.

A kind of technique of the compound polydimethyl diallyl ammonium chloride manufacture composite conducting material of graphene oxide, including with Lower step:

S1 takes phosphoric acid and the concentrated sulfuric acid after mixing, and 3g graphite powder is added, potassium permanganate is slowly added to after mixing evenly, in 50- 60 C water baths are centrifuged washing after being stirred to react 10-12 hours, and are freeze-dried, and obtain graphite oxide, weigh a certain amount of oxygen Graphite is add to deionized water, and makes the concentration 0.6-2.0mg/mL of graphite oxide, and ultrasonic treatment obtains height for 2-3 hours The molar ratio of the graphene oxide water solution of dispersion, wherein phosphoric acid, sulfuric acid, graphite and potassium permanganate is (40-50): (350- 400): (3-4): (8-10)；

S2 is added graphene oxide into the polydimethyl diallyl ammonium chloride aqueous solution that concentration is 13-15g/L, in 70- Magnetic agitation is reacted 20-30 hours at 80 DEG C, is cooled to room temperature after the reaction was completed, eccentric cleaning, is obtained product freeze-drying, is ground Honed sieve obtains the compound polydimethyl diallyl ammonium chloride composite conducting material of graphene oxide.

The quality and graphite oxide of polydimethyl diallyl ammonium chloride in polydimethyl diallyl ammonium chloride aqueous solution The mass ratio of the additional amount of alkene is (1-3): 1.

In polydimethyl diallyl ammonium chloride aqueous solution the molecular weight of polydimethyl diallyl ammonium chloride be 10000 with On, the polydimethyl diallyl ammonium chloride of 10000 or more molecular weight facilitates compound quick progress, can also make it is compound more It is uniform and stable, keep the resistance value of composite conducting material smaller.

Being freeze-dried step is that the product of eccentric cleaning is packed into pallet, then thickness control sets pallet in 8-10mm Enter in quick freezing repository -20~-10 DEG C hereinafter, quick-frozen time 2h, it is quick-frozen it is good after be placed in hothouse, the vacuum degree control of hothouse exists 50~90Pa improves temperature to 45 DEG C, and freeze-drying terminates after 8-10h, opens vacuum gas filling valve and is charged into nitrogen or dried air.

The oxidation technology of graphite is to impregnate graphite powder with fuming nitric aicd in S1, and graphite is oxidized, and nitrate ion invades graphite Piece interlayer adds potassium hyperchlorate powder and carries out secondary oxidation, then puts into reactant in a large amount of water, washing filtering is into Property after it is dry, the preparation method of such graphene oxide is suitable for the oxidation of high-volume graphene, relatively suitable for industrial production Mass production situation, but this mode is not high for utilization rate of raw materials.

A kind of composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide.

A kind of application of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide is used for electronics Electric action is played in equipment, battery and sensor.

A kind of application method of the composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphene oxide, by oxygen The composite conducting material of the compound polydimethyl diallyl ammonium chloride of graphite alkene be made replace after conducting wire traditional aluminum conductor or Person's copper conductor.

In the present invention, a kind of new composite conducting material is made using the compound polydimethyl diallyl ammonium chloride of graphene Material, the electric conductivity with superelevation, takes full advantage of the characteristic of graphene, and manufacturing cost is low, and product conducts electricity very well, and has heat Conductance and mechanical performance are superior, and product non-corrosive, free from environmental pollution, belong to clean new material.

Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.