Toner powder additive

Abstract

The powdered ink additive comprises an inner additive and an outer additive, the inner additive comprises 50-60 parts of resin, 1-5 parts of pigment, 30-40 parts of a charge control agent and 10-20 parts of a surface modifier, and the outer additive comprises 10-20 parts of a fluidizing agent, 5-10 parts of magnetic iron oxide, 1-5 parts of a lubricant and 5-10 parts of a plasticizer. The preparation of the internal additive comprises the following steps: mixing the resin, the pigment, the charge control agent and the surface modifier, stirring in a stirrer at the stirring speed of 300-400r / min for 20-50min, and melting the mixture at the temperature of 800-1000 DEG C. The ink powder comprises the internal additive and the external additive, the internal additive comprises resin, dye, a charge control agent and a surface modifier, the resin, the dye, the charge control agent and the surface modifier are smelted, cooled and crushed to prepare superfine micro powder, the superfine micro powder is mixed with the external additive, and the flowability of the ink powder is improved and the electric quantity is adjusted through the external additive.

Description

Technical Field

[0001] The invention relates to the field of toner additives, in particular to a toner additive. Background Art

[0002] Toner, also known as carbon powder, is a powdered substance used in laser printers to fix images on paper. Black toner is composed of binder resin, carbon black, charge control agent, external additives and other ingredients. Color toner also needs to add other color pigments.

[0003] At present, a laser printer color toner production additive mixing device is disclosed in a Chinese patent announcement with announcement number CN210171386U, comprising a bottom plate, legs are fixedly connected to both sides of the top of the bottom plate, a mixing box is fixedly connected to the top of the legs, a discharge pipe is fixedly connected to the bottom of the mixing box, and a hose is connected to the bottom of the discharge pipe. The utility model uses a discharge pipe, a hose, a fixed box, a micro cylinder, a tooth plate, a slider, a bearing, a rotating rod, a gear, a movable frame, a movable rod, a fixed pin, a slide rod and a movable block in coordination, and drives the hose to swing left and right by moving the movable rod left and right, so as to achieve the effect of preventing the blockage of the material discharge. The laser printer color toner production additive mixing device solves the problem that the existing mixing device will be blocked when discharging materials because the discharge pipe is mostly of fixed size and the mixture of materials is mostly viscous, thereby enhancing the speed of discharging materials and the practicality of the mixing device.

[0004] In actual use, it is found that toner is prepared by mixing carbon black, resin and additives, but there are differences in toners prepared with different additives. There is a problem that it is not convenient to change the fluidity of the toner, adjust the charge and image firmness through additives. Therefore, we propose a toner additive to solve the above problems. Summary of the invention

[0005] Based on the technical problems existing in the background technology, the present invention proposes a toner additive.

[0006] The toner additive provided by the present invention includes an internal additive and an external additive; The internal additives include 50-60 parts of resin, 1-5 parts of pigment, 30-40 parts of charge regulator, and 10-20 parts of surface modifier; The external additives include 10-20 parts of a fluidizing agent, 5-10 parts of magnetic iron oxide, 1-5 parts of a lubricant, and 5-10 parts of a plasticizer.

[0007] Preferably, the preparation of the internal additive includes mixing the resin, pigment, charge regulator, and surface modifier, stirring in a stirrer at a speed of 300 to 400 r / min for 20 to 50 minutes, melting the mixture at a temperature of 800 to 1000° C., the melting time is set to 2-5 hours, and cooling after melting is completed.

[0008] Preferably, the coolant is added to a pulverizer for pulverization, and the pulverized internal additive is screened to produce extremely fine powder after pulverization, and the particle size is set to 5-12 microns.

[0009] Preferably, the preparation of the external additive comprises premixing a fluidizing agent, magnetic iron oxide, a lubricant, and a plasticizer at a stirring speed of 300 to 400 r / min, and grinding the mixed external additive to form a fine powder.

[0010] Preferably, the prepared external additive is added to the internal additive and mixed at a mixing speed of 200 to 500 r / min, thereby preparing the toner additive.

[0011] Preferably, the resin is one or more of polyacrylate and bonding resin.

[0012] Preferably, the surface modifier is one or more of polyethylene paraffin or polypropylene paraffin.

[0013] Preferably, the lubricant is configured as lubricating oil, which has a lubricating effect and can control friction charges.

[0014] Preferably, the charge regulator includes charge control particles, which have the function of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder.

[0015] Preferably, the plasticizer RQT-P-1 is an environmentally friendly plasticizer and can control the melting point of carbon powder, carry carbon powder in a molten state and penetrate into paper fibers to form a final firm image.

[0016] The beneficial effects of the present invention are: The present invention is provided with internal additives, and the internal additives include resin, dye, charge regulator, surface modifier, and are made into extremely fine powder after melting, cooling, and crushing, so as to constitute the main imaging substance of the toner additive and also the main component of the carbon powder; By providing external additives, the lubricating oil has a lubricating effect, and the charge control particles of the charge regulator have the effect of making the carbon powder evenly charged, and the charge of the carbon powder is well controlled, and the friction charge can be controlled. The external additives can improve the fluidity of the toner and adjust the charge. DETAILED DESCRIPTION

[0017] The present invention will be further explained below in conjunction with specific embodiments. Example

[0018] The present invention provides a toner additive, including an internal additive and an external additive; The internal additives include 50 parts of resin, 1 part of pigment, 30 parts of charge regulator, and 10 parts of surface modifier; The external additives include 10 parts of fluidizing agent, 5 parts of magnetic iron oxide, 1 part of lubricant, and 5 parts of plasticizer.

[0019] In this embodiment, the preparation of the internal additive includes mixing the resin, pigment, charge regulator, and surface modifier, stirring in a stirrer at a speed of 300 r / min for 20 minutes, melting the mixture at a temperature of 800°C, the melting time is set to 2 hours, and cooling after the melting is completed.

[0020] In this embodiment, the coolant is added to a pulverizer for pulverization, the pulverized internal additive is screened, and after pulverization, an extremely fine powder is made, and the particle size is set to 12 microns. The preparation of the external additive includes premixing the fluidizing agent, magnetic iron oxide, lubricant, and plasticizer at a stirring speed of 300r / min. The mixed external additive is ground into a powder state, and the prepared external additive is added to the internal additive for mixing at a mixing speed of 200r / min, thereby being able to produce a toner additive.

[0021] In this embodiment, the resin is set to polyacrylate, and the surface modifier is set to polyethylene paraffin.

[0022] In this embodiment, the lubricant is set to lubricating oil, which has a lubricating effect and can control friction charge. The charge regulator includes charge control particles, which have the effect of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder. The plasticizer RQT-P-1, RQT-P-1 plasticizer is an environmentally friendly plasticizer and can control the melting point of the carbon powder, carrying the carbon powder in a molten state to penetrate into the paper fibers to form a final firm image. Example

[0023] The present invention proposes a toner additive, wherein the internal additive comprises 55 parts of resin, 2 parts of pigment, 35 parts of charge regulator, and 15 parts of surface modifier; The external additives include 15 parts of fluidizing agent, 8 parts of magnetic iron oxide, 3 parts of lubricant, and 7 parts of plasticizer.

[0024] In this embodiment, the preparation of the internal additive includes mixing the resin, pigment, charge regulator, and surface modifier, stirring for 30 minutes in a stirrer at a stirring speed of 350 r / min, melting the mixture at a temperature of 850°C, the melting time is set to 3 hours, and cooling after the melting is completed.

[0025] In this embodiment, the coolant is added to a pulverizer for pulverization, the pulverized internal additive is screened, and after pulverization, an extremely fine powder is made, and the particle size is set to 8 microns. The preparation of the external additive includes premixing the fluidizing agent, magnetic iron oxide, lubricant, and plasticizer at a stirring speed of 350r / min. The mixed external additive is ground into a powder state, and the prepared external additive is added to the internal additive for mixing at a mixing speed of 250r / min, thereby being able to produce a toner additive.

[0026] In this embodiment, the resin is set as a bonding resin, and the surface modifier is set as polypropylene paraffin.

[0027] In this embodiment, the lubricant is set to lubricating oil, which has a lubricating effect and can control friction charge. The charge regulator includes charge control particles, which have the effect of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder. The plasticizer RQT-P-1, RQT-P-1 plasticizer is an environmentally friendly plasticizer and can control the melting point of the carbon powder, carrying the carbon powder in a molten state to penetrate into the paper fibers to form a final firm image. Example

[0028] The present invention proposes a toner additive, wherein the internal additive comprises 58 parts of resin, 4 parts of pigment, 38 parts of charge regulator, and 18 parts of surface modifier; The external additives include 18 parts of fluidizing agent, 8 parts of magnetic iron oxide, 4 parts of lubricant, and 9 parts of plasticizer.

[0029] In this embodiment, the preparation of the internal additive includes mixing the resin, pigment, charge regulator, and surface modifier, stirring in a stirrer at a speed of 400 r / min for 40 minutes, melting the mixture at a temperature of 900°C, the melting time is set to 4 hours, and cooling after the melting is completed.

[0030] In this embodiment, the coolant is added to a pulverizer for pulverization, the pulverized internal additive is screened, and after pulverization, an extremely fine powder is made, and the particle size is set to 6 microns. The preparation of the external additive includes premixing the fluidizing agent, magnetic iron oxide, lubricant, and plasticizer at a stirring speed of 380 r / min. The mixed external additive is ground into a powder state, and the prepared external additive is added to the internal additive for mixing at a mixing speed of 450 r / min, thereby being able to produce a toner additive.

[0031] In this embodiment, the resin is set to be one or more of polyacrylate and bonding resin, and the surface modifier is set to be one or more of polyethylene paraffin or polypropylene paraffin.

[0032] In this embodiment, the lubricant is set to lubricating oil, which has a lubricating effect and can control friction charge. The charge regulator includes charge control particles, which have the effect of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder. The plasticizer RQT-P-1, RQT-P-1 plasticizer is an environmentally friendly plasticizer and can control the melting point of the carbon powder, carrying the carbon powder in a molten state to penetrate into the paper fibers to form a final firm image. Example

[0033] The present invention proposes a toner additive, wherein the internal additive comprises 60 parts of resin, 5 parts of pigment, 40 parts of charge regulator, and 20 parts of surface modification agent; The external additives include 20 parts of fluidizing agent, 10 parts of magnetic iron oxide, 5 parts of lubricant, and 10 parts of plasticizer.

[0034] In this embodiment, the preparation of the internal additive includes mixing the resin, pigment, charge regulator, and surface modifier, stirring in a stirrer at a speed of 400 r / min for 50 minutes, melting the mixture at a temperature of 1000°C, the melting time is set to 5 hours, and cooling after the melting is completed.

[0035] In this embodiment, the coolant is added to a pulverizer for pulverization, the pulverized internal additive is screened, and after pulverization, an extremely fine powder is made, and the particle size is set to 5 microns. The preparation of the external additive includes premixing the fluidizing agent, magnetic iron oxide, lubricant, and plasticizer at a stirring speed of 400r / min. The mixed external additive is ground into a fine powder state, and the prepared external additive is added to the internal additive for mixing at a mixing speed of 500r / min, thereby being able to produce a toner additive.

[0036] In this embodiment, the resin is set to be a mixture of polyacrylate and bonding resin, and the surface modifier is set to be polyethylene paraffin and polypropylene paraffin.

[0037] In this embodiment, the lubricant is set to lubricating oil, which has a lubricating effect and can control friction charge. The charge regulator includes charge control particles, which have the effect of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder. The plasticizer RQT-P-1, RQT-P-1 plasticizer is an environmentally friendly plasticizer and can control the melting point of the carbon powder, carrying the carbon powder in a molten state to penetrate into the paper fibers to form a final firm image.

[0038] The present invention is provided with internal additives, and the internal additives include resin, dye, charge regulator, and surface modifier, which are made into extremely fine powder after melting, cooling, and crushing, so as to constitute the main imaging substance of the toner additive and also the main component of the carbon powder. By providing external additives, the lubricating oil has a lubricating effect, and the charge control particles of the charge regulator have the effect of making the carbon powder uniformly charged, and the charge amount of the carbon powder is well controlled, and the friction charge can be controlled. The fluidity of the toner is improved and the charge amount is adjusted by the external additive.

[0039] The toner additives of Examples 1 to 4 were selected for testing, as shown in the table: Example Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Liquidity 95.8% 96.1% 96.5% 97.1% Adjust the charge 89.5% 90.1% 90.5% 91.1% Image robustness 98.1% 98.8% 99.1% 99.3% The results show that the fourth embodiment is the best embodiment.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A toner additive, characterized in that: Including internal additives and external additives; The internal additives include 50-60 parts of resin, 1-5 parts of pigment, 30-40 parts of charge regulator, and 10-20 parts of surface modifier; The external additives include 10-20 parts of a fluidizing agent, 5-10 parts of magnetic iron oxide, 1-5 parts of a lubricant, and 5-10 parts of a plasticizer.

2. A toner additive according to claim 1, characterized in that: The preparation of the internal additive includes mixing resin, pigment, charge regulator and surface modifier, stirring in a stirrer at a stirring speed of 300-400 r / min for 20-50 min, melting the mixture at a temperature of 800-1000° C., the melting time is set to 2-5 hours, and cooling after melting is completed.

3. A toner additive according to claim 2, characterized in that: The cooled material is added to a pulverizer for pulverization, and the pulverized internal additive is screened to produce extremely fine powder after pulverization, and the particle size is set to 5-12 microns.

4. A toner additive according to claim 1, characterized in that: The preparation of the external additive comprises premixing a fluidizing agent, magnetic iron oxide, a lubricant and a plasticizer at a stirring speed of 300 to 400 r / min, and grinding the mixed external additive to form a micro powder.

5. A toner additive according to claim 4, characterized in that: The prepared external additive is added to the internal additive and mixed at a mixing speed of 200 to 500 r / min, thereby preparing a toner additive.

6. A toner additive according to claim 1, characterized in that: The resin is configured to be one or more of polyacrylate and bonding resin.

7. A toner additive according to claim 1, characterized in that: The surface modifier is one or more of polyethylene paraffin or polypropylene paraffin.

8. A toner additive according to claim 1, characterized in that: The lubricant is set to be lubricating oil, which has a lubricating effect and can control friction charges.

9. A toner additive according to claim 1, characterized in that: The charge regulator includes charge control particles, which have the function of making the carbon powder charged evenly and well controlling the charge amount of the carbon powder.

10. A toner additive according to claim 1, characterized in that: The plasticizer RQT-P-1 is an environmentally friendly plasticizer and can control the melting point of carbon powder, carry the carbon powder in a molten state and penetrate into paper fibers to form a final firm image.