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Antistatic agent and preparation method thereof

A technology of antistatic agent and mass fraction, applied in the field of antistatic agent and its preparation, can solve the problems of insufficiently dense structure and decreased antistatic ability, and achieve the effects of reducing impurities, improving binding ability and high product purity

Active Publication Date: 2020-12-25
杭州临安德昌静电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the antistatic agents announced above, the structure of the antistatic component on the surface of the plastic product is not dense enough, and after the surface of the plastic product is worn out, the overall antistatic ability will also drop significantly in a short period of time.

Method used

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  • Antistatic agent and preparation method thereof
  • Antistatic agent and preparation method thereof
  • Antistatic agent and preparation method thereof

Examples

Experimental program
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Effect test

preparation example 1

[0044] Preparation example 1: the preparation of boric acid monoglyceride adopts the following steps:

[0045] S1: Weigh 20kg of glycerin, add it into the reaction kettle, heat and stir at 60°C;

[0046] S2: Using nitrogen as a protective gas, add 10kg of borax to glycerin. After the borax and glycerin are mixed evenly, adjust the temperature of the reactor to 100°C and carry out condensation and reflux until no more condensed water flows out, and then vacuumize for 1 hour. , to get crude products;

[0047] S3: Filtrate the crude product while it is hot, and then conduct fractional distillation to obtain boric acid monoglyceride.

preparation example 2

[0048] Preparation example 2: the preparation of ethoxylated boric acid monoglyceride (being a kind of in boric acid ester), adopts the following steps:

[0049] S1: Add 10 kg of boric acid monoglyceride and 20 kg of ethyl acetate obtained in Preparation Example 1 to the reactor, and add 0.5 kg of boron trifluoride as a catalyst, and heat the solution to 130° C. in the reactor;

[0050] S2: With nitrogen as the protective gas, 5 kg of ethylene oxide was passed into the boric acid monoglyceride solution, and the reaction time was 3 hours;

[0051] S3: filter the reacted mixed solution and then distill to obtain ethoxylated boric acid monoglyceride.

preparation example 3

[0052] Preparation example 3: the preparation of boric acid monoglyceride octadecanoate (being a kind of in boric acid ester), adopts the following steps:

[0053] S1: Add 10kg boric acid monoglyceride and sufficient dimethyl fumarate obtained in Preparation Example 1 in the reactor, and add 0.8kgDMF (dimethylformamide) as a catalyst;

[0054] S2: Add 20kg of stearic acid to the reaction kettle, and heat the solution to 120°C. During the heating process, carry out condensing and reflux to continuously discharge the condensed water, and the reaction time is 4 hours;

[0055] S3: filter the reacted mixed solution and then distill to obtain boric acid monoglyceride octadecanoate.

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Abstract

The invention relates to the technical field of plastic product additives, in particular to an antistatic agent and a preparation method thereof, and the antistatic agent is mainly prepared from the following raw materials in parts by mass: 35-45 parts of octadecylamine; 10-15 parts of ethylene oxide gas; 30-40 parts of monoglyceride; 2-3 parts of boric acid ester; and 0.5-1 part of a polyol. Thespecific preparation method comprises the following steps: S1, weighing the octadecylamine in parts by mass, heating and melting at the temperature of 70-75 DEG C, and feeding into a reaction kettle;s2, controlling the temperature of the reaction kettle to be 140-150 DEG C, introducing ethylene oxide gas into molten octadecylamine, and reacting for 1.5-2 hours; s3, adding the glycerol dodecanoate, the boric acid ester and the glycerol in parts by mass into the reaction kettle, and stirring for 1-1.5 hours at the temperature of 100-110 DEG C; and S4, cooling the reaction kettle to 80-85 DEG C,discharging while the reaction kettle is hot, and cooling to obtain the target antistatic agent. According to the antistatic agent prepared by the invention, after the antistatic agent is blended into a molded product, the antistatic agent has better antistatic capacity, and meanwhile, the influence of surface abrasion on the antistatic performance can be reduced.

Description

technical field [0001] The application relates to the technical field of molded product additives, in particular to an antistatic agent and a preparation method thereof. Background technique [0002] Antistatic agent is a type of additive added to plastics or coated on the surface of molded products to reduce static electricity accumulation. According to different methods of use, antistatic agents can be divided into two types: internally added and externally coated, and the main type of antistatic agent used in plastics is internally added. [0003] Antistatic agents generally have the characteristics of surfactants, with both polar groups and non-polar groups in their structure. According to their antistatic principles, they can be divided into cationic antistatic agents, anionic antistatic agents and non-polar groups. Ionic antistatic agent. Among them, non-ionic antistatic agents are mainly represented by ethoxylated aliphatic alkylamines, which are widely used in poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/02C08K5/17C08K5/053C08K5/55C08K5/103C08K3/26C07C213/04C07C215/08C08L27/06
CPCC08K13/02C08K5/17C08K5/053C08K5/55C08K5/103C08K3/26C07C213/04C08K2201/014C08K2201/017C08K2003/265C08L2201/04C08L27/06C07C215/08
Inventor 柳观波汪锋平郑晓虎柳岸俊
Owner 杭州临安德昌静电科技有限公司
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