Preparation method of disproportionated rosin potassium soap

A disproportionated rosin potassium soap and a technology of disproportionated rosin, applied in the field of preparation of disproportionated rosin potassium soap, can solve the problems of high cost, affecting the speed of emulsion polymerization, excessive chloride content, etc., and achieve less production equipment, avoid agglomeration, and reduce power consumption. little effect

Inactive Publication Date: 2013-04-24
ERCHUANG FUJIAN CHEM TECH
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  • Abstract
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  • Claims
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Problems solved by technology

Disproportionated rosin potassium soap generally has gel and crystallization phenomena, which seriously affects the speed and effect of emulsion polymerization during rubber production
In order to improve the color of the product, chemical additives such as sodium silicate can be added. This method has a good decolorization effect, but the presence of sodium silicate will affect the speed of emulsion polymerization during rubber prod

Method used

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  • Preparation method of disproportionated rosin potassium soap
  • Preparation method of disproportionated rosin potassium soap
  • Preparation method of disproportionated rosin potassium soap

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Embodiment Construction

[0019] The implementation of the present invention will be described in detail below in conjunction with specific examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0020] Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and the reagents and products used are also commercially available. Various processes and methods not described in detail are conventional methods well known in the art, and the sources, trade names and necessary listing of components of the reagents used are indicated when they first appear.

[0021] Embodiments of the invention are:

[0022] A kind of preparation method of disproportionated rosin potassium soap, it is example that the disproportionated rosin potassium soap of 25% is to prepare solid content, comprises the following steps:

[0023] (...

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Abstract

The invention relates to a preparation method of disproportionated rosin potassium soap, and provides a safe, environment-friendly, low-consumption, time-saving, low-production-cost disproportionated rosin potassium soap preparation method utilizing low temperature and normal pressure. The method comprises the steps of: potassium hydroxide dissolving, precipitating, preheating, saponification reaction, cooling, impurity removing, and canning.

Description

technical field [0001] The invention relates to a preparation method of disproportionated rosin potassium soap, in particular to a preparation method of disproportionated rosin potassium soap. Background technique [0002] Disproportionated rosin potassium soap is an important emulsifier in resin and synthetic rubber. It is a kind of rosin esterification derivative prepared by using the double bond and carboxyl group in the acid structure of rosin resin. Color and heat stability are the main indicators of its grade. At present, the production of disproportionated rosin potassium soap in China mainly uses high-temperature molten disproportionated rosin and potassium hydroxide lye for saponification reaction. Although the products prepared by this traditional process can basically meet the requirements of quality standards in terms of performance, the reaction needs more High temperature (about 170°C), so the investment in equipment is large, and the product color is darker. ...

Claims

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Application Information

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IPC IPC(8): C07C61/39C07C51/41
Inventor 陈剑华
Owner ERCHUANG FUJIAN CHEM TECH
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