CN111067233A

CN111067233A - Antibacterial high-molecular liquid-storage eyeliner and preparation method of material thereof

Info

Publication number: CN111067233A
Application number: CN202010042762.3A
Authority: CN
Inventors: 黄建艺
Original assignee: Z&z Development Co ltd
Current assignee: Z&z Development Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-04-28
Anticipated expiration: 2040-01-15
Also published as: CN111067233B

Abstract

The invention relates to an antibacterial polymer liquid storage eyeliner and a material preparation method thereof, which are designed aiming at the technical problems that the existing like products have poor sealing performance, a pen core lacks a protection structure and the material preparation and production are not good enough. The inner bottom of the outer cover of the eyeliner is provided with a spring and an inner cover, and a brush seat of the brush is pressed against an inner step ring of the inner diameter of a pen hole in the pen nozzle; the main point is that the central shaft of the shunt seat in the pen nozzle is provided with a water guiding core, an upper buckling groove and a lower buckling groove of the shunt seat are respectively buckled with an inner transition ring and an inner conical rib of the inner wall of the pen nozzle, a pen buckling rib of the pen tube is buckled with an outer buckling rib of the pen nozzle, and simultaneously, a pen opening of the pen tube is propped against an outer convex rib of the pen nozzle; the outer diameter of one end of the brush of the pen tube is provided with an outer cover, and the outer cover slides up and down through a pin of the outer diameter of the pen tube and a sliding groove of the inner wall of the outer cover; one side of the outer diameter of the pen tube is provided with a guide groove in an isosceles triangle shape, one end of an elastic hook between the pen tube and the outer cover is fixed on the inner wall of the outer cover, and the other end of the elastic hook is fixed on the guide groove; the pen mouth is an antibacterial polymer pen mouth.

Description

Antibacterial high-molecular liquid-storage eyeliner and preparation method of material thereof

Technical Field

The invention relates to an eyeliner, in particular to an antibacterial polymer liquid storage eyeliner and a preparation method of materials thereof.

Background

The eyeliner pen is a makeup product different from a common eyeliner, is smooth and smooth in use, soft in texture, accurate in makeup fitting, soft in pen point, durable in makeup, free of staining and capable of easily outlining the eye of a user, has the functions of preventing tears, water, sweat and oil, and is quick-drying. When in use, the eyeliner brush head is close to the root of eyelashes and is brushed from the inner canthus to the outer canthus; when drawing the eye line, drawing the tail of the hand; when the eye line is drawn, the lower eyelid picture is pulled by one hand, and the perfect dressing can be finished. Some existing eyeliner pens have a liquid storage function, such as application number 201420403078.3 disclosed in chinese patent literature, publication number 2015.01.21, and utility model name "liquid eyeliner with integrated cotton core"; however, the sealing effect between the pen nozzle and the cover of the pen nozzle and the similar products is poor, the structure design of the assembling buckle between the components is not good enough, and particularly, the pen core is easy to be damaged due to collision and impact after being opened.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide an antibacterial polymer liquid storage eyeliner and a material preparation method thereof for the field, so that the technical problems that the existing like products are poor in sealing performance, poor in assembling buckle structure design, lack of a protection structure for a pen core and poor in corresponding material preparation and production are mainly solved. The purpose is realized by the following technical scheme.

An antibacterial polymer liquid storage eyeliner is characterized in that a spring is arranged at the inner bottom of an outer cover of the eyeliner, one end of the spring is fixed at the inner bottom of the outer cover, the other end of the spring is fixed at the outer diameter of the bottom of the inner cover, the inner diameter of a cover opening of the inner cover is abutted and buckled with a conical surface at the cover opening of a pen nozzle, a brush holder, a shunt holder, a water guiding core and steel balls are arranged in the pen nozzle, a base of a brush is fixed on the brush holder, the brush holder is abutted against an inner step ring of the inner diameter of a pen hole in the pen nozzle, brush bristles of the brush extend out of the brush holder and the pen hole of the pen nozzle, a plug is arranged at a tail hole of the pen nozzle, a plug buckling rib of the plug is buckled with a nozzle; the pen holder is structurally characterized in that a flow distribution seat center shaft in the pen holder is provided with a water guiding core, a base of a brush inserted by a pen point of the water guiding core is abutted to the brush, two ends of the outer diameter of the flow distribution seat are respectively provided with an upper buckling groove and a lower buckling groove, the upper buckling groove and the lower buckling groove of the flow distribution seat are respectively buckled with an inner transition ring and an inner conical rib of the inner wall of the pen holder, the outer diameter between the upper buckling groove and the lower buckling groove of the flow distribution seat is provided with a capillary, the end part of the flow distribution seat is inserted into a conical inner cavity of a pen hole in the pen holder, the inner transition ring of the pen holder is positioned at the inner diameter of the conical pen hole of the pen holder, the outer diameter of the inner transition ring of the pen holder is provided with an outer step ring, the outer diameter of a cylindrical section of the pen holder is respectively provided with a raised outer convex rib and an outer convex rib, the diameter of the outer convex rib of the pen holder is larger than the diameter of the outer convex rib, the inner diameter of the pen holder is provided with. The outer cover and the inner cover are buckled to form a cover body, the pen nozzle and the pen tube are buckled to form a pen body, the pen body and the cover body are buckled and fixed, liquid in the pen nozzle drives the steel balls in the pen nozzle to stir the liquid when the pen body is shaken, and the liquid in the pen nozzle enters the brush through the pen core and the shunting seat.

The inner diameter of the cover opening of the outer cover is provided with a cover buckling groove, the outer diameter between the outer step ring of the pen nozzle and the outer convex rib is provided with a cover buckling rib, and the cover buckling groove of the outer cover is buckled with the cover buckling rib of the pen nozzle. The structure enables the pen nozzle and the outer cover to be further buckled and fixed.

The inner wall diameter of one side of the bottom of the cover buckling groove of the outer cover is reduced in sequence, the inner wall of the outer cover is provided with a convex cover buckling rib, the limiting rib of the inner cover is located between the bottom of the outer cover and the cover buckling rib, the outer diameter of the cover opening of the inner cover is abutted to the inner wall of the outer cover, the cover opening of the inner cover is a horn-shaped opening, and the conical surface of the pen nib is abutted to the inner wall of the cover opening below the horn-shaped opening of the inner cover. The inner cover and the pen nozzle are further fixed conveniently.

An outer cover is arranged between the outer cover and the inner cover, one end of the outer cover is sleeved into a gap between the inner diameter of the outer cover and the outer diameter of the inner cover, the outer diameter of the outer cover is sleeved with the inner diameter of the inner cover, the other end of the outer cover is sleeved into the outer diameter fixed on the pen tube, the cover opening of the outer cover is higher than the pen point of the brush, and the outer cover slides up and down through a pin of the outer diameter of the. Thereby further protect the brush of opening through the dustcoat, during the use one hand press the dustcoat can, press the dustcoat once more and can reset.

The outer diameter of one end of the brush of the pen tube is provided with an outer cover, the outer cover slides up and down through a pin of the outer diameter of the pen tube and a sliding groove of the inner wall of the outer cover, the inner wall of the outer cover is at least provided with one sliding groove, and the pin is abutted against two ends of the sliding groove and buckled; a guide groove is formed in one side of the outer diameter of the pen tube, the guide groove is in an isosceles triangle shape, the bottom edge of the guide groove protrudes upwards, an elastic hook with two ends extending outwards is arranged between the pen tube and the outer cover, one end of the elastic hook is fixed to the inner wall of the outer cover, and the other end of the elastic hook is fixed to the guide groove; the protruding department of guide way is for opening the groove, and the isosceles triangle point portion of guide way is for closing the groove, and the slip of guide way department's elastic hook one end is followed the guide way. The above is an embodiment structure in which the outer cover and the pen tube slide up and down through the sliding groove.

The outer diameter of the pen tube is symmetrically provided with three pins which are equally distributed and are convex, and the pins of the pen tube are buckled into the sliding grooves of the outer cover respectively.

The outer cover, the spring and the inner cover are omitted from the outer diameter of the pen nozzle, and the end cover opening of the outer cover is provided with a turnover cover which is hinged, turned over and opened and closed. Thereby being convenient for directly protect the brush through the outer cover, and the flip can be opened before the use.

The pen nib is made of an antibacterial high polymer material and comprises the following raw materials in parts by weight: 65-85 parts of polypropylene powder, 5-8 parts of modified graphene oxide colloid, 1-3 parts of nano toughened aluminum oxide, 0.5-0.8 part of aluminum-based adhesive, 5-10 parts of compatibilization toughening agent, 1-3 parts of lubricant and 0.1-0.7 part of antioxidant.

The preparation method of the antibacterial high polymer material specifically comprises the following steps: s1, firstly, weighing polypropylene powder, modified graphene oxide colloid, nano toughened aluminum oxide, sepiolite fiber and lubricant raw materials according to the weight ratio of corresponding components, then sequentially adding the selected polypropylene powder, modified graphene oxide colloid, nano toughened aluminum oxide, sepiolite fiber and lubricant raw materials into a high-speed mixing stirrer, and stirring at a high speed of 1000r/min at a rotation speed of 800-; s2, sequentially adding the selected aluminum-based adhesive and the compatibilization toughening agent into the composite material mixture obtained in the step S1, stirring the mixture for about 30-50min at a rotating speed of 600-800r/min by using a high-speed mixing stirrer, fully bonding the components in the composite material mixture, toughening and compatibilizing the mixture, and obtaining the composite premix after the toughening and compatibilizing treatment is completed; s3, adding the selected antioxidant into the compound premix obtained in S2, stirring the mixture for about 30-40min by a high-speed mixer at the rotating speed of 400-500r/min, and finishing the antioxidant treatment to obtain a wear-resistant PP composite material mixture; s4, pouring the wear-resistant PP composite mixture obtained in the step S3 into a double-screw extruder, and extruding and granulating to obtain wear-resistant PP composite particles; s5, putting the wear-resistant PP composite material particles obtained in the step S4 into an eyeliner tube production line, and extruding and processing the mixture into the eyeliner tube through an injection molding machine.

The preparation method of the modified graphene oxide colloid specifically comprises the following steps: uniformly mixing sodium citrate with concentration of 0.01-0.5M and silver nitrate aqueous solution in a three-neck flask, adding a certain amount of graphene oxide aqueous solution, adding a certain amount of poly (diallyldimethylammonium chloride) solution with volume fraction of 40%, wherein the volume fraction of the poly (diallyldimethylammonium chloride) solution with volume fraction of 40% is 4-5ml per 100mg of graphene oxide colloid, magnetically stirring for 12 hours at normal temperature, magnetically stirring for 3 hours in an oil bath pan at 130 ℃, then adding sodium citrate as a reducing agent of the graphene oxide for the second time, adding 20mL of triethylamine into the three-neck flask, dissolving 7mL of acyl bromide in 20mL of dimethylbenzene, dropwise adding the acyl bromide within 15min, stirring the graphene oxide by the sodium citrate and polydiallyldimethylammonium chloride under mild conditions, namely 60-80 ℃, for 6-9 hours to prepare modified graphene oxide colloid; the amount of the graphene oxide aqueous solution is 1:2-1:5 by mass ratio of silver to graphene oxide.

The invention has reasonable structural design, convenient use, long service life, good hand feeling effect when in use, good sealing property and stability, feasible automatic production and assembly and feasible preparation method of the antibacterial high polymer material; it is suitable for the use as the eyeliner of the same kind and the structural improvement of the product of the same kind.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a partial exploded sectional structural schematic view of fig. 1.

Fig. 3 is a partial exploded sectional structural schematic view of fig. 2.

Fig. 4 is a schematic sectional view of the modification of fig. 1.

Fig. 5 is a schematic diagram of a partially exploded structure of the housing and barrel of fig. 4.

Figure number and name: 1. the pen comprises an outer cover, 101, a cover buckling rib, 102, a cover buckling groove, 2, a spring, 3, an inner cover, 4, a pen nib, 401, a conical surface, 402, an inner step ring, 403, an inner transition ring, 404, an outer step ring, 405, an outer convex rib, 406, an outer buckling rib, 407, an inner conical rib, 408, a nozzle buckling rib, 5, a brush, 6, a brush holder, 7, a shunt holder, 701, an upper buckling groove, 702, a lower buckling groove, 8, a water diversion core, 9, a steel ball, 10, a plug, 1001, a plug buckling rib, 11, a pen tube, 1101, a tube buckling rib, 1102, a pin, 1103, a guide groove, 12, an outer cover, 1201, a sliding groove, 13 and an elastic hook.

Detailed Description

The construction and use of the invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-3, a spring 2 is arranged at the inner bottom of an outer cover 1 of the eyeliner, one end of the spring is fixed at the inner bottom of the outer cover, the other end of the spring is fixed at the outer diameter of the bottom of the inner cover 3, the inner diameter of a cover opening of the inner cover is abutted and buckled with a conical surface 401 at the cover opening of a pen nib 4, a brush holder 6, a shunt holder 7, a water diversion core 8 and steel balls 9 are arranged in the pen nib, a base of a brush 5 is fixed on the brush holder, the brush holder is abutted against an inner step ring 402 of the inner diameter of a pen hole in the pen nib, brush bristles of the brush extend out of the brush holder and the pen hole of the pen nib, a plug 10 is arranged at a tail hole of the pen nib, a plug buckling rib 1001 of the plug is buckled with a nozzle buckling rib. The central shaft of the shunt seat in the pen nozzle is provided with a water guiding core, the nib of the water guiding core is inserted into the base of the brush and is abutted against the brush, the two ends of the outer diameter of the shunt seat are respectively provided with an upper buckling groove 701 and a lower buckling groove 702, the upper buckling groove and the lower buckling groove of the shunt seat are respectively buckled with an inner transition ring 403 and an inner conical rib 407 of the inner wall of the pen nozzle, the outer diameter between the upper buckling groove and the lower buckling groove of the shunt seat is provided with a capillary, the end part of the shunt seat is inserted into the conical inner cavity of the pen hole in the pen nozzle, the inner transition ring of the pen nozzle is positioned at the inner diameter of the conical pen hole of the pen nozzle, the outer diameter of the inner transition ring of the pen nozzle is provided with an outer step ring 404, the outer diameter of the cylindrical section of the pen nozzle is respectively provided with a raised outer convex rib 405 and an outer convex rib 406, the diameter of the outer convex rib of the pen nozzle is larger than the outer rib, the inner diameter of the pen nozzle is provided with a tube buckling rib, the pen nozzle buckling rib.

Meanwhile, a cover buckling groove 102 is formed in the inner diameter of the cover opening of the outer cover, a cover buckling rib is arranged between the outer step ring and the outer convex rib of the pen nozzle, and the cover buckling groove of the outer cover is buckled with the cover buckling rib of the pen nozzle. The lid of enclosing cover is detained a groove bottom one side inner wall diameter and is dwindled in proper order to the inner wall of enclosing cover is equipped with bellied lid and detains a muscle 101, and the spacing muscle of inner cup is located the bottom of enclosing cover and the lid is detained between the muscle, and the cover mouth external diameter of inner cup offsets with the inner wall of enclosing cover, and the cover mouth of inner cup is the horn mouth, and the conical surface of nib offsets with the inner wall of inner cup horn mouth below cover mouth. When in use, the cap body is opened, the pen tube is shaken, and the eyeliner can be used.

According to the above structural features, as shown in fig. 4 and 5, an outer cover 12 is provided between the outer cover and the inner cover, one end of the outer cover is sleeved into the gap between the inner diameter of the outer cover and the outer diameter of the inner cover, the outer diameter of the outer cover is sleeved with the inner diameter of the inner cover, the other end of the outer cover is sleeved and fixed on the outer diameter of the pen tube, the cover opening of the outer cover is higher than the pen point of the brush, and the outer cover slides up and down through a pin 1102 on. The method comprises the following steps: an outer cover 12 is arranged on the outer diameter of one end of the brush of the pen tube, the outer cover slides up and down through a pin on the outer diameter of the pen tube and a sliding groove 1201 on the inner wall of the outer cover, at least one sliding groove is arranged on the inner wall of the outer cover, and the pin is abutted against two ends of the sliding groove and buckled; a guide groove 1103 is formed in one side of the outer diameter of the pen tube, the guide groove is in an isosceles triangle shape, the bottom edge of the guide groove protrudes upwards, an elastic hook 13 with two ends extending outwards is arranged between the pen tube and the outer cover, one end of the elastic hook is fixed to the inner wall of the outer cover, and the other end of the elastic hook is fixed to the guide groove; the protruding department of guide way is for opening the groove, and the isosceles triangle point portion of guide way is for closing the groove, and the slip of guide way department's elastic hook one end is followed the guide way. The outer diameter of the pen tube is symmetrically provided with three pins which are equally distributed and are convex, and the pins of the pen tube are buckled into the sliding grooves of the outer cover respectively. When the eyeliner is used, the cover body is opened, the outer cover is pressed down, the eyeliner can be used, the outer cover can be reset after the eyeliner is used, and the cover body is covered.

According to the structural characteristics, an outer cover, a spring and an inner cover can be omitted from the outer diameter of the pen nozzle, and a turnover cover which is hinged, overturned and opened and closed is arranged at the end cover opening of the outer cover.

Claims

1. An antibacterial polymer liquid storage eyeliner is characterized in that a spring (2) is arranged at the inner bottom of an outer cover (1) of the eyeliner, one end of the spring is fixed at the inner bottom of the outer cover, the other end of the spring is fixed at the outer diameter of the bottom of an inner cover (3), the inner diameter of a cover opening of the inner cover is abutted and buckled with a conical surface (401) at the cover opening of a nib (4), a brush seat (6), a shunt seat (7), a water guide core (8) and steel balls (9) are arranged in the nib, a base of a hairbrush (5) is fixed on the brush seat, the brush seat is abutted against an inner stepped ring (402) of the inner diameter of a nib hole in the nib, bristles of the hairbrush extend out of the brush seat and the nib hole of the nib, a plug (10) is arranged in a tail hole of the nib, a plug buckling rib (1001) of the plug is buckled with a nozzle buckling rib (408; it is characterized in that a water-guiding core (8) is arranged on the central shaft of a shunt seat (7) in a pen nozzle (4), the pen point of the water-guiding core is inserted into the base of a brush (5) to be abutted against the brush, an upper buckling groove (701) and a lower buckling groove (702) are respectively arranged at two ends of the outer diameter of the shunt seat, the upper buckling groove and the lower buckling groove of the shunt seat are respectively buckled with an inner transition ring (403) and an inner conical rib (407) of the inner wall of the pen nozzle, a capillary leaf is arranged between the upper buckling groove and the lower buckling groove of the shunt seat, the end part of the shunt seat is inserted into a conical inner cavity of a pen hole in the pen nozzle, the inner transition ring of the pen nozzle is positioned at the inner diameter of the conical pen hole of the pen nozzle, an outer step ring (404) is arranged at the outer diameter of the inner transition ring of the pen nozzle, a raised outer convex rib (405) and an outer buckling rib (406) are respectively arranged at the outer diameter of a cylindrical section of the pen nozzle, the diameter of the 1101, the pen buckle position rib of the pen tube is buckled with the outer buckle rib of the pen mouth, and meanwhile, the pen mouth of the pen tube is abutted against the outer convex rib of the pen mouth.

2. The antibacterial polymer liquid storage eyeliner of claim 1, wherein the inner diameter of the cap opening of the outer cap (1) is provided with a cap fastening groove (102), the outer diameter between the outer step ring (404) and the outer convex rib (405) of the pen nib (4) is provided with a cap fastening rib, and the cap fastening groove of the outer cap is fastened with the cap fastening rib of the pen nib.

3. The antibacterial polymer liquid storage eyeliner of claim 2, wherein the diameter of the inner wall of the bottom side of the cover buckling groove (102) of the outer cover (1) is sequentially reduced, the inner wall of the outer cover is provided with a raised cover buckling rib (101), the limiting rib of the inner cover (3) is positioned between the bottom of the outer cover and the cover buckling rib, the outer diameter of the cover opening of the inner cover is abutted against the inner wall of the outer cover, the cover opening of the inner cover is a bell-mouth, and the conical surface (401) of the pen nib (4) is abutted against the inner wall of the cover opening below the bell-mouth of the inner cover.

4. The antibacterial polymer liquid storage eyeliner of claim 1, wherein an outer cover (12) is arranged between the outer cover (1) and the inner cover (3), one end of the outer cover is sleeved in a gap between the inner diameter of the outer cover and the outer diameter of the inner cover, the outer diameter of the outer cover is sleeved with the inner diameter of the inner cover, the other end of the outer cover is sleeved and fixed on the outer diameter of the pen tube (11), the cover opening of the outer cover is higher than the pen point of the brush (5), and the outer cover slides up and down through a pin (1102) of the outer diameter of the pen tube.

5. The antibacterial polymer liquid storage eyeliner of claim 1, wherein an outer cover (12) is arranged at the outer diameter of one end of the brush (5) of the pen barrel (11), the outer cover slides up and down through a pin (1102) at the outer diameter of the pen barrel and a sliding groove (1201) at the inner wall of the outer cover, the inner wall of the outer cover is at least provided with one sliding groove, and the pin is abutted against two ends of the sliding groove for buckling; a guide groove (1103) is formed in one side of the outer diameter of the pen tube, the guide groove is in an isosceles triangle shape, the bottom edge of the guide groove protrudes upwards, an elastic hook (13) with two ends extending outwards is arranged between the pen tube and the outer cover, one end of the elastic hook is fixed to the inner wall of the outer cover, and the other end of the elastic hook is fixed to the guide groove; the protruding department of guide way is for opening the groove, and the isosceles triangle point portion of guide way is for closing the groove, and the slip of guide way department's elastic hook one end is followed the guide way.

6. The antibacterial polymer liquid storage eyeliner of claim 5, wherein the outer diameter of the pen barrel (11) is symmetrically provided with three pins (1102) which are equally distributed and protrude, and the pins of the pen barrel are respectively buckled into the chutes (1201) of the outer cover (12).

7. The antibacterial polymer liquid storage eyeliner of claim 5, wherein the outer diameter of the pen nib (4) omits the outer cover (1), the spring (2) and the inner cover (3), and the end opening of the outer cover (12) is provided with a flip cover which is hinged, turned over and opened.

8. The method for preparing the material of the antibacterial polymer liquid storage eyeliner according to claim 1, wherein the pen nozzle (4) is made of antibacterial polymer material, and the raw materials thereof comprise: 65-85 parts of polypropylene powder, 5-8 parts of modified graphene oxide colloid, 1-3 parts of nano toughened aluminum oxide, 0.5-0.8 part of aluminum-based adhesive, 5-10 parts of compatibilization toughening agent, 1-3 parts of lubricant and 0.1-0.7 part of antioxidant.

9. The method for preparing the material of the antibacterial polymer liquid storage eyeliner as claimed in claim 8, wherein the method for preparing the antibacterial polymer material specifically comprises the following steps:

s1, firstly, weighing polypropylene powder, modified graphene oxide colloid, nano toughened aluminum oxide, sepiolite fiber and lubricant raw materials according to the weight ratio of corresponding components, then sequentially adding the selected polypropylene powder, modified graphene oxide colloid, nano toughened aluminum oxide, sepiolite fiber and lubricant raw materials into a high-speed mixing stirrer, and stirring at a high speed of 1000r/min at a rotation speed of 800-;

s2, sequentially adding the selected aluminum-based adhesive and the compatibilization toughening agent into the composite material mixture obtained in the step S1, stirring the mixture for about 30-50min at a rotating speed of 600-800r/min by using a high-speed mixing stirrer, fully bonding the components in the composite material mixture, toughening and compatibilizing the mixture, and obtaining the composite premix after the toughening and compatibilizing treatment is completed;

s3, adding the selected antioxidant into the compound premix obtained in S2, stirring the mixture for about 30-40min by a high-speed mixer at the rotating speed of 400-500r/min, and finishing the antioxidant treatment to obtain a wear-resistant PP composite material mixture;

s4, pouring the wear-resistant PP composite mixture obtained in the step S3 into a double-screw extruder, and extruding and granulating to obtain wear-resistant PP composite particles; s5, putting the wear-resistant PP composite material particles obtained in the step S4 into an eyeliner tube production line, and extruding and processing the mixture into the eyeliner tube through an injection molding machine.

10. The method for preparing the material of the antibacterial polymer liquid storage eyeliner as claimed in claim 8, wherein the method for preparing the modified graphene oxide colloid specifically comprises the following steps: uniformly mixing sodium citrate with concentration of 0.01-0.5M and silver nitrate aqueous solution in a three-neck flask, adding a certain amount of graphene oxide aqueous solution, adding a certain amount of poly (diallyldimethylammonium chloride) solution with volume fraction of 40%, wherein the volume fraction of the poly (diallyldimethylammonium chloride) solution with volume fraction of 40% is 4-5ml per 100mg of graphene oxide colloid, magnetically stirring for 12 hours at normal temperature, magnetically stirring for 3 hours in an oil bath pan at 130 ℃, then adding sodium citrate as a reducing agent of the graphene oxide for the second time, adding 20mL of triethylamine into the three-neck flask, dissolving 7mL of acyl bromide in 20mL of dimethylbenzene, dropwise adding the acyl bromide within 15min, stirring the graphene oxide by the sodium citrate and polydiallyldimethylammonium chloride under mild conditions, namely 60-80 ℃, for 6-9 hours to prepare modified graphene oxide colloid; the amount of the graphene oxide aqueous solution is 1:2-1:5 by mass ratio of silver to graphene oxide.