Preparation method for low-temperature fixing chemical ink powder resin and method for preparing ink powders

A low-temperature, resin-based technology, applied in optics, developers, instruments, etc., can solve the problems of unfavorable environmental storage of toner, affecting the shape of toner, failure of additive particles, etc., and achieve good printing quality, difficult embedding, and short production cycle Effect

Active Publication Date: 2016-02-24
鼎龙(宁波)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to overcome the above-mentioned deficiencies, the purpose of the present invention is to provide the art with a method for preparing low-temperature fixing chemical toner resin and a method for preparing toner, so that it solves the problem of using a large amount of mercaptan chains when preparing chemical toner resin. Transfer agent, causing the odor of subsequent printing, and the chemical toner resin with too low molecular w

Method used

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  • Preparation method for low-temperature fixing chemical ink powder resin and method for preparing ink powders
  • Preparation method for low-temperature fixing chemical ink powder resin and method for preparing ink powders

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Configuration 820.0g mass fraction 5% polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution, and the mixing of 840.0g styrene, 330.0g n-butyl acrylate, 30.0g hydroxyethyl methacrylate and 6.0g methacrylic acid Monomer (total 1206.0 g).

[0036] In a 5000ml four-necked reaction flask equipped with a stirring motor, reflux condenser, thermometer and peristaltic pump, add 1500ml deionized water, 300.0g polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution (5% mass fraction), add 120.0 g mixed monomers, started stirring, adjusted the pH value to 8.2-8.6 with ammonia water, heated the mixture to 82°C, evenly added 40.0g of ammonium persulfate aqueous solution with a concentration of 3.5%, reacted for 60min, and kept the system at 85°C to prepare Seed lotion. Then 1086.0g of remaining mixed monomers, 520.0g of polyoxyethylene (10) aqueous solution of carboxylic acid alkyl ether (5% by mass fraction), 200.0g of ammonium persulfate aqueous solution with...

Embodiment 2

[0038] Configuration 820.0g mass fraction 5% polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution, and 916.0g styrene, 248.0g n-butyl acrylate, 36.0g hydroxyethyl methacrylate, 2.0g methacrylic acid and 12.0 g Mixed monomers of n-dodecanethiol (total 1214.0 g).

[0039] In a 5000ml four-necked reaction flask equipped with a stirring motor, reflux condenser, thermometer and peristaltic pump, add 1500ml deionized water, 300.0g polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution (5% mass fraction), add 120.0 g mixed monomers, started stirring, adjusted the pH value to 8.2-8.6 with ammonia water, heated the mixture to 82°C, evenly added 40.0g of ammonium persulfate aqueous solution with a concentration of 3.5%, reacted for 60min, and kept the system at 85°C to prepare Seed lotion. Then 1094.0g of remaining mixed monomers, 520.0g of polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution (5% by mass fraction) 520.0g, and 200.0g of ammonium pers...

Embodiment 3

[0041] Configure 820.0g mass fraction of 5% polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution, and 720.0g styrene, 140.0g n-butyl acrylate, 300.0g n-butyl methacrylate, 40.0g hydroxyethyl methacrylate A mixed monomer of ester, 6.0g methacrylic acid and 12.0g n-dodecanethiol (total 1218.0g).

[0042] In a 5000ml four-necked reaction flask equipped with a stirring motor, reflux condenser, thermometer and peristaltic pump, add 1500ml deionized water, 300.0g polyoxyethylene (10) carboxylic acid alkyl ether aqueous solution (5% mass fraction), add 120.0 g mixed monomers, started stirring, adjusted the pH value to 8.2-8.6 with ammonia water, heated the mixture to 82°C, evenly added 40.0g of ammonium persulfate aqueous solution with a concentration of 3.5%, reacted for 60min, and kept the system at 85°C to prepare Seed lotion. Then 1098.0g of the remaining mixed monomers, 520.0g of polyoxyethylene (10) aqueous solution of carboxylic acid alkyl ether (5% by mass fract...

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Abstract

The invention belongs to the field of ink powders, and relates to a preparation method for low-temperature fixing chemical ink powder resin and a method for preparing ink powders. The preparation method for low-temperature fixing chemical ink powder resin comprises the steps of: 1, preparing a seed emulsion; 2, preparing low-molecular and high-molecular low-temperature fixing emulsion resin; and 3, proportioning the low-molecular and high-molecular low-temperature fixing emulsion resin and adjusting the solid content to 33.0% to obtain low-temperature fixing chemical link powder resin. The method for preparing ink powders comprises the steps of: taking 20-50% of low-temperature fixing chemical link powder resin, 1-5% of a pigment, 1-3% of a CCA dispersion liquid, 1-3% of a wax emulsion and 40-70% of water; adding dilute sulphuric acid; raising the temperature and keeping the temperature for 1-3 hours; adding sodium hydroxide to adjust the pH to 6-8; and then raising the temperature, keeping the temperature, reducing the temperature and drying the mixture to obtain finished product low-temperature fixing chemical ink powders. The preparation method provided by the invention is environmentally-friendly and pollution-free in production process and low in production cost, and is suitable for preparing the low-temperature fixing chemical ink powders; the prepared ink powders are suitable for a majority of low-temperature fixing energy-saving laser printers/copiers, and are good in fixing effect, high in transfer rate, excellent in color density and excellent in electrical property.

Description

technical field [0001] The invention belongs to the field of chemical toner, in particular relates to a laser printer or copier toner, and relates to a method for preparing a low-temperature fixing chemical toner resin and a method for preparing the toner. Background technique [0002] With the rapid development of the IT industry, higher requirements are put forward for the technology of copiers and printers. On the one hand, the quality of printed pictures is required to be exquisite, and on the other hand, the speed of printing and copying is required to be faster, which can save time and energy. With the increasing requirements for energy saving and environmental protection, major companies such as HP and XEROX have launched copying and printers with low-temperature fixing to reduce the energy consumption of printers. [0003] Copiers and printers with low-temperature fixing need corresponding low-temperature fixing toner. There are two ways to effectively solve the pro...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/18C08F220/28C08F220/06C08F2/30G03G9/087
Inventor 韩锋陈全吉杨明红
Owner 鼎龙(宁波)新材料有限公司
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