MANUFACTURE METHOD OF GRAPHENE BASED RESIN PELLET AND MANUFACTURE METHOD OF CONDUCTIVE SEAL

Abstract

The present invention provides a manufacture method of a graphene based resin pellet and a manufacture method of conductive seal. The present invention provides a manufacture method of a graphene based resin pellet, which employs green environmental protection flashing light for deoxidizing graphene oxide with an exposure method. The process is simple and easy to control. The method can be utilized for mass production. The present invention provides a manufacture method of conductive seal, which utilizes the graphene based resin pellet to be a conductive particle for replacing the conductive gold ball commonly used in the conductive seal according to prior art, and the process of manufacturing graphene based resin pellet in the method is green environmental protective to prevent the heavy metal pollution problem during the production procedure of the conductive gold ball; the graphene oxide used for manufacturing the graphene based resin pellet is effective presoma of massively manufacturing graphene material, and the source is widely available and the production cost can be effectively reduced.

Claims

1. A manufacture method of a graphene based resin pellet, comprising steps of: step 1, preparing graphene oxide solution of 0.1-5 mg/ml and resin pellet solution of 1-10 mg/ml, and mixing graphene oxide solution of 0.1-5 mg/ml and the resin pellet solution of 1-10 mg/ml, and after magnetic stirring with 5 min-1 h, mixed solution is obtained, and ultrasonic processing the mixed solution with 5 min-2 h to obtain graphene oxide based resin pellet solution; step 2, filtering the graphene oxide based resin pellet solution, and drying filter residue obtained after filtering in air with 60 C.-100 C., 0.5 h-4 h for completely removing water to obtain cinnamon graphene oxide based resin pellet powder; step 3, employing a flashing light to implement exposure reduction to the graphene oxide based resin pellet powder for deoxidizing graphene oxide wrapping up resin pellet surface to be graphene to obtain graphene based resin pellet.

2. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 1, the resin pellet solution is manufactured by dispersing resin pellets in aqueous solution with ultrasonic process.

3. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 1, material of the resin pellets is polystyrene or polyacrylic resin, and a particle size range of the resin pellets is 1-10 m.

4. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 2, a suction filtration device is employed for filtering the graphene oxide based resin pellet powder.

5. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 1, a period of the magnetic stirring is 10 min, and a period of the ultrasonic processing is 30 min; in the step 2, the filter residue obtained after filtering is dried in air with 80 C., 2 h.

6. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 3, an exposure energy range of the flashing light is 0.5-3 J/cm.sup.2.

7. The manufacture method of the graphene based resin pellet according to claim 1, wherein in the step 3, in exposure procedure, as the graphene oxide based resin pellet powder becomes black with crackling sound, the exposure is intermitted for stirring the powder, and the exposure continues, and the exposure and the stirring are repeated with multiple times until no crackling sound, and reduction of the graphene oxide based resin pellet powder is accomplished.

8. A manufacture method of a graphene based resin pellet, comprising steps of: step 1, preparing graphene oxide solution of 0.1-5 mg/ml and resin pellet solution of 1-10 mg/ml, and mixing graphene oxide solution of 0.1-5 mg/ml and the resin pellet solution of 1-10 mg/ml, and after magnetic stirring with 5 min-1 h, mixed solution is obtained, and ultrasonic processing the mixed solution with 5 min-2 h to obtain graphene oxide based resin pellet solution; step 2, filtering the graphene oxide based resin pellet solution, and drying filter residue obtained after filtering in air with 60 C.-100 C., 0.5 h-4 h for completely removing water to obtain cinnamon graphene oxide based resin pellet powder; step 3, employing a flashing light to implement exposure reduction to the graphene oxide based resin pellet powder for deoxidizing graphene oxide wrapping up resin pellet surface to be graphene to obtain graphene based resin pellet; wherein in the step 1, the resin pellet solution is manufactured by dispersing resin pellets in aqueous solution with ultrasonic process; wherein in the step 1, material of the resin pellets is polystyrene or polyacrylic resin, and a particle size range of the resin pellets is 1-10 m; wherein in the step 2, a suction filtration device is employed for filtering the graphene oxide based resin pellet solution.

9. The manufacture method of the graphene based resin pellet according to claim 8, wherein in the step 1, a period of the magnetic stirring is 10 min, and a period of the ultrasonic processing is 30 min; in the step 2, the filter residue obtained after filtering is dried in air with 80 C., 2 h.

10. The manufacture method of the graphene based resin pellet according to claim 8, wherein in the step 3, an exposure energy range of the flashing light is 0.5-3 J/cm.sup.2.

11. The manufacture method of the graphene based resin pellet according to claim 8, wherein in the step 3, in exposure procedure, as the graphene oxide based resin pellet powder becomes black with crackling sound, the exposure is intermitted for stirring the powder, and the exposure continues, and the exposure and the stirring are repeated with multiple times until no crackling sound, and reduction of the graphene oxide based resin pellet powder is accomplished.

12. A manufacture method of conductive seal, comprising steps of: step 10, employing the manufacture method of the graphene based resin pellet according to claim 1 to manufacture the graphene based resin pellet; step 20, mixing, stirring and defoaming the graphene based resin pellets and seal to accomplish a glue mixing procedure for obtaining conductive seal.

13. The manufacture method of conductive seal according to claim 12, wherein in the step 20, the graphene based resin pellets and the seal are mixed with a mass ratio of 1:40.

14. The manufacture method of conductive seal according to claim 12, wherein in the step 20, after the graphene based resin pellets and the seal are mixed, the mixture is put in a glue mixing barrel, and the glue mixing barrel is positioned inside a rotator which can rotate and revolve to implement stirring and defoaming procedures.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The technical solution and the beneficial effects of the present invention are best understood from the following detailed description with reference to the accompanying figures and embodiments.

[0039] In drawings,

[0040] FIG. 1 is a flowchart of a manufacture method of a graphene based resin pellet according to the present invention.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

[0041] For better explaining the technical solution and the effect of the present invention, the present invention will be further described in detail with the accompanying drawings and the specific embodiments.

[0042] Please refer to FIG. 1. The present invention first provides a manufacture method of a graphene based resin pellet, comprising steps of:

[0043] step 1, preparing graphene oxide solution of 0.1-5 mg/ml and resin pellet solution of 1-10 mg/ml, and mixing the graphene oxide solution of 0.1-5 mg/ml and the resin pellet solution of 1-10 mg/ml, and after magnetic stirring with 5 min-1 h, mixed solution is obtained, and ultrasonic processing the mixed solution with 5 min-2 h to obtain graphene oxide based resin pellet solution.

[0044] It can be observed that the graphene oxide based resin pellet solution has well dispersity. Then, with the function of the hydroxyl group of the graphene oxide surface, the flexible graphene oxide sheets can closely wrap up the resin pellet.

[0045] The resin pellet solution is manufactured by dispersing resin pellets in aqueous solution with ultrasonic process.

[0046] Specifically, material of the resin pellets is polystyrene or polyacrylic resin, and a particle size range of the resin pellets is 1-10 m, and preferably, the particle size range of the resin pellets is 5-8 m.

[0047] Preferably, in the step 1, a period of the magnetic stirring is 10 min and a period of the ultrasonic processing is 30 min.

[0048] step 2, filtering the graphene oxide based resin pellet solution with a suction filtration device, and drying filter residue obtained after filtering in air with 60 C.-100 C., 0.5 h-4 h for completely removing water to obtain cinnamon graphene oxide based resin pellet powder.

[0049] Preferably, in the step 2, the filter residue obtained after filtering is dried in air with 80 C., 2 h.

[0050] step 3, employing a flashing light to implement exposure reduction to the graphene oxide based resin pellet powder for deoxidizing graphene oxide wrapping up resin pellet surface to be graphene to obtain graphene based resin pellet.

[0051] wherein the flashing light can be a common flashing light, and an exposure energy range of the flashing light is 0.5-3 J/cm.sup.2;

[0052] In exposure procedure, as the graphene oxide based resin pellet powder becomes black with crackling sound, for making the reaction more thorough, the exposure can be intermitted for stirring the powder, and then, the exposure continues, and the exposure and the stirring are repeated with multiple times until no crackling sound, and reduction of the graphene oxide based resin pellet powder is accomplished to obtain the graphene based resin pellet.

[0053] The present invention provides a manufacture method of a graphene based resin pellet, which employs green environmental protection flashing light for deoxidizing graphene oxide with an exposure method. The process is simple and easy to control. The method can be utilized for mass production.

[0054] The graphene based resin pellet manufactured by the present invention cannot merely be applied in the conductive seal for packaging the liquid crystal panel, but also can be applied in the conductive material such as the anisotropic conductive paste (ACP) and the anisotropic conductive film (ACF), which have been widely used in the semiconductor industry. Therefore, it has the huge commercial development value and the tremendous market application prospect.

[0055] The present invention further provides a manufacture method of conductive seal, comprising steps of:

[0056] step 10, employing the aforesaid manufacture method of the graphene based resin pellet to manufacture the graphene based resin pellet;

[0057] step 20, mixing, stirring and defoaming the graphene based resin pellets and seal to accomplish a glue mixing procedure for obtaining conductive seal.

[0058] Specifically, in the step 20, the graphene based resin pellets and the seal are mixed with a mass ratio of 1:40, and then, the mixture is put in a glue mixing barrel, and the glue mixing barrel is positioned inside a rotator which can rotate and revolve to implement stirring and defoaming procedures.

[0059] The present invention provides a manufacture method of conductive seal, which utilizes the graphene based resin pellet to be a conductive particle for replacing the conductive gold ball commonly used in the conductive seal according to prior art to prevent the heavy metal pollution problem during the production procedure of the conductive gold ball; the process of manufacturing graphene based resin pellet in the method is green environmental protective and is simple and easy to control; the graphene oxide used for manufacturing the graphene based resin pellet is effective presoma of massively manufacturing graphene material, and the source is widely available and the production cost can be effectively reduced.

[0060] Furthermore, the present invention provides a method of package a liquid crystal display panel with the conductive seal manufactured by the aforesaid method, of which the specific operation is:

[0061] providing a color filter substrate and an array substrate, and dispensing glue on the color filter substrate or the array substrate with apparatus and oppositely assembling and laminating the color filter substrate or the array substrate together, and heating and curing the conductive seal to obtain the liquid crystal display panel packaged by the conductive seal having graphene based resin pellets, and in the liquid crystal display panel, the color filter substrate or the array substrate are connected with the conductive seal;

[0062] in the procedure of heating and curing the conductive seal, with the excellent heat conduction ability of the graphene sheets of the graphene based resin pellets, the curing efficiency of the conductive seal can be promoted to make the curing more uniform; besides, with the excellent mechanical property, the stress of laminating the upper, lower substrates can be effectively eased for supporting the upper, lower substrates well and maintaining the gap stability between the substrates to ensure the consistency of the liquid crystal cell gap and reduce the appearance of the edge Mura.

[0063] In conclusion, the present invention provides a manufacture method of a graphene based resin pellet, which employs green environmental protection flashing light for deoxidizing graphene oxide with an exposure method. The process is simple and easy to control. The method can be utilized for mass production. The present invention provides a manufacture method of conductive seal, which utilizes the graphene based resin pellet to be a conductive particle for replacing the conductive gold ball commonly used in the conductive seal according to prior art, and the process of manufacturing graphene based resin pellet in the method is green environmental protective to prevent the heavy metal pollution problem during the production procedure of the conductive gold ball; the graphene oxide used for manufacturing the graphene based resin pellet is effective presoma of massively manufacturing graphene material, and the source is widely available and the production cost can be effectively reduced.

[0064] Above are only specific embodiments of the present invention, the scope of the present invention is not limited to this, and to any persons who are skilled in the art, change or replacement which is easily derived should be covered by the protected scope of the invention. Thus, the protected scope of the invention should go by the subject claims.