Rosin-based quaternary ammonium salt for preparing efficient environment-friendly multifunctional cooling water biocide as well as preparation method and application of rosin-based quaternary ammonium salt

A rosin-based quaternary ammonium salt, multifunctional technology, applied in chemical instruments and methods, preparation of organic compounds, preparation of amino hydroxy compounds, etc., can solve the problem of shortening the service life of equipment, reducing the heat exchange effect of equipment, and consuming large petrochemical products. and other problems, to achieve the effect of good slime stripping, control of bacteria and algae reproduction, and control of slime growth

Pending Publication Date: 2021-11-02
GUANGZHOU ANSAI CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the direct discharge cooling water system and part of the circulating cooling water system, microorganisms and shellfish often multiply in large numbers. At the same time, these microorganisms and shellfish will secrete mucus and form biological slime, which will adhere to the pipes and equipment of the system, reducing the The heat exchange effect of the equipment causes an increase in energy consumption; at the same time, biological slime adheres to the equipment, forming corrosion under the scale and shortening the service life of the equipment
[0003] Although there are related reports on the killing and scale inhibition of cooling water systems in the prior art, there are the following deficiencies: high toxicity, high pollution, poor degradability; consumption of a large amount of petrochemical products; single product function; large consumption

Method used

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  • Rosin-based quaternary ammonium salt for preparing efficient environment-friendly multifunctional cooling water biocide as well as preparation method and application of rosin-based quaternary ammonium salt
  • Rosin-based quaternary ammonium salt for preparing efficient environment-friendly multifunctional cooling water biocide as well as preparation method and application of rosin-based quaternary ammonium salt
  • Rosin-based quaternary ammonium salt for preparing efficient environment-friendly multifunctional cooling water biocide as well as preparation method and application of rosin-based quaternary ammonium salt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Preparation of rosin-based quaternary ammonium salt for the preparation of efficient environmental protection multifunctional cooling water biocide:

[0036] (1) Propylenepimaric acid diamine (10g) and epichlorohydrin (12g) were mixed in ethanol (10ml) solvent, reacted at 20°C for 15h, and the solvent was removed to obtain product 1.

[0037] (2) Product 1 (5g) and N,N-dimethyltetradecylamine (12g) were stirred and reacted at 15°C in ethanol (12ml) solvent for 24h. Recrystallize in a mixed solvent, dry, and remember the target product 1#.

[0038] figure 1 Among them, i is N, N-dimethyl tetradecylamine, ii is propylene pimaric acid diamine), iii) is the infrared spectrum of the rosin base quaternary ammonium salt that is used to prepare efficient environmental protection multifunctional cooling water biocide, from Fig. It can be seen that in the i curve, the 1461cm-1 place is the C-N base characteristic peak of N, N-dimethyltetradecamine; observe the ii curve, and the...

Embodiment 2

[0041] Preparation of rosin-based quaternary ammonium salt for the preparation of efficient environmental protection multifunctional cooling water biocide:

[0042] (1) Propylenepimaric acid diamine (9g) and epichlorohydrin (12g) were mixed in ethanol (16ml) solvent, reacted at 25°C for 24h, and the solvent was removed to obtain product 1.

[0043] (2) After product 1 (5g) and N, N-dimethyltetradecamine (14g) were stirred and reacted at 25°C in ethanol (12ml) solvent for 25h, in ethanol and ethyl acetate with a volume ratio of 1:5 Recrystallize and dry in a mixed solvent, remember the target product 2#, the obtained spectrum is consistent with that of Example 1, and will not be repeated.

Embodiment 3

[0045] Preparation of rosin-based quaternary ammonium salt for the preparation of efficient environmental protection multifunctional cooling water biocide:

[0046] (1) Propylenepimaric acid diamine (8g) and epichlorohydrin (12g) were mixed in ethanol (14ml) solvent, reacted at 27°C for 18h, and the solvent was removed to obtain product 1.

[0047] (2) Product 1 (5g) and N,N-dimethyltetradecylamine (16g) were stirred and reacted for 15h at 25°C in ethanol (17ml) solvent, and then dissolved in ethanol and ethyl acetate with a volume ratio of 1:5 Recrystallize and dry in a mixed solvent. Remember the target product 3#, the obtained spectrum is consistent with Example 1, and will not be repeated.

[0048]The preparation of Example 1 was magnified 200 times for application test to prepare the rosin-based quaternary ammonium salt for the preparation of high-efficiency, environment-friendly and multifunctional cooling water biocide, and the obtained spectrogram was consistent with t...

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Abstract

The invention discloses a rosinyl quaternary ammonium salt for preparing an efficient environment-friendly multifunctional cooling water biocide and a preparation method and an application of the rosinyl quaternary ammonium salt for preparing the efficient environment-friendly multifunctional cooling water biocide, and the structural formula of the rosinyl quaternary ammonium salt for preparing the efficient environment-friendly multifunctional cooling water biocide is shown in the specification. According to the invention, rosin is used as a raw material, belongs to a bio-based green product, has the characteristics of reproducibility and degradability, and conforms to a green product; the preparation method is simple and convenient to operate; the method can be used for preparing a biocidal scale inhibitor; the biocidal scale inhibitor obtained by the invention has broad-spectrum and efficient sterilization and algae removal capabilities, can effectively control the reproduction of bacteria and algae in water and the growth of slime, has a good slime stripping effect and certain dispersion and permeation effects, and also has excellent scale inhibition and corrosion inhibition effects; the used raw materials are green, environment-friendly and degradable, so that the application range of rosin is widened, and the consumption of petrochemical resources is reduced.

Description

technical field [0001] The invention relates to a rosin-based quaternary ammonium salt for preparing a high-efficiency, environment-friendly and multifunctional cooling water biocide, a preparation method and application thereof, and belongs to the technical field of rosin derivatives. Background technique [0002] In the direct discharge cooling water system and part of the circulating cooling water system, microorganisms and shellfish often multiply in large numbers. At the same time, these microorganisms and shellfish will secrete mucus and form biological slime, which will adhere to the pipes and equipment of the system, reducing the The heat exchange effect of the equipment leads to increased energy consumption; at the same time, biological slime adheres to the equipment, forming corrosion under the scale and shortening the service life of the equipment. [0003] In the prior art, there are related reports about killing and anti-scaling of cooling water systems, but the...

Claims

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Application Information

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IPC IPC(8): C07C215/40C07C213/04C07C213/10C07C215/14C02F1/50C02F5/12
CPCC07C215/40C07C213/04C07C213/10C02F1/50C02F5/12C07C2603/86C02F2303/04C02F2303/22C02F2305/04C07C215/14
Inventor 梁祥军李侨光梁玉荣高克强杨朝兰翟桂莲罗海倩梁玉生
Owner GUANGZHOU ANSAI CHEM IND
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