Preparation method for dodecyl trimethyl ammonium bromide (DTAB) antibacterial solid paraffin

A technology of dodecyltrimethylammonium bromide and solid paraffin, applied in botany equipment and methods, chemicals for biological control, animal repellants, etc.

Inactive Publication Date: 2012-07-11
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After searching, no literature report or patent application of a preparation method of dodecyltrimethylammonium bromide antibacterial solid paraffin was found

Method used

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  • Preparation method for dodecyl trimethyl ammonium bromide (DTAB) antibacterial solid paraffin
  • Preparation method for dodecyl trimethyl ammonium bromide (DTAB) antibacterial solid paraffin
  • Preparation method for dodecyl trimethyl ammonium bromide (DTAB) antibacterial solid paraffin

Examples

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Effect test

example 1

[0153] Example 1: A preparation method of dodecyltrimethylammonium bromide antibacterial paraffin wax (No. 50)

[0154] In this example, No. 50 solid paraffin is used as raw material, dodecyltrimethylammonium bromide (DTAB) is used as antibacterial agent, stearic acid is used as DTAB dispersion modifier, and a two-step mixing method of low temperature and high temperature is adopted. DTAB is evenly dispersed in solid paraffin to prepare a DTAB antibacterial solid paraffin (No. 50) with excellent antibacterial properties, and its preparation process is carried out according to the following 8 steps:

[0155] (1) Paraffin wax melting: Weigh a certain amount of solid paraffin and place it in a beaker. Use a universal electric furnace to slowly heat the solid paraffin until it melts, and finally effectively control and stabilize the melt temperature at 80-90°C. ;

[0156] (2) Weighing of stearic acid: according to the ratio of DTAB: stearic acid = 1:5-10, weigh ...

example 2

[0164] Example 2: a preparation method of dodecyltrimethylammonium bromide antibacterial paraffin wax (No. 52)

[0165] In this example, No. 52 paraffin wax is used as the raw material, and other reagents and preparation steps are exactly the same as those in Example 1.

[0166]

example 3

[0167] Example 3: A preparation method of dodecyltrimethylammonium bromide antibacterial paraffin wax (No. 54)

[0168] In this example, No. 54 solid paraffin is used as the raw material, and other reagents and preparation process steps are exactly the same as those in Example 1.

[0169]

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Abstract

The invention relates to a preparation method for dodecyl trimethyl ammonium bromide (DTAB) antibacterial solid paraffin. The solid paraffin is used as a raw material, DTAB is used as an antibacterial agent, and stearic acid is used as a dispersion modifier. The preparation method comprises the following steps of: 1, slowly heating the solid paraffin until the solid paraffin is molten, wherein the constant temperature is between 80 and 90 DEG C; 2, weighing the stearic acid in a ratio of DTAB to stearic acid equal to 1: 5 to 10; 3, slowly heating the stearic acid until the stearic acid is molten, wherein the constant temperature is between 80 and 90 DEG C; 4, weighing the DTAB according to a ratio that the using amount of the DTAB accounts for 0.6 percent of the weight of the solid paraffin; 5, adding the DTAB into stearic acid melt at the temperature of between 80 and 90 DEG C, and uniformly stirring; 6, adding mixed melt of the DTAB and the stearic acid into paraffin melt at the temperature of between 80 and 90 DEG C, and uniformly stirring; 7, heating cloudy mixed melt of the DTAB, the stearic acid and the paraffin to the temperature of between 100 and 110 DEG C, and slowly stirring until the cloudy mixed melt is clear and transparent; and 8, naturally cooling the mixed melt to a room temperature, and thus obtaining the DTAB antibacterial solid paraffin. The preparation method has the advantages of: good antibacterial properties of the DTAB antibacterial solid paraffin, high safety, simple process, low cost, easy popularization and application, extensive use and obvioussocial benefit and economic benefit.

Description

[0001] 1. Technical field [0002] The present invention involves a method of preparation of antibacterial solid paraffin (DTAB) antibacterial solid paraffin in duolinel trisophyll (DTAB), which specifically involves a decentralized modification of solid paraffin as the raw material, DTAB as antibacterial agent, and dtab as DTAB as DTAB.Sexual agents, two -step mixing method of low temperature and high temperature, make DTAB uniformly scattered in solid paraffin, suitable for a DTAB antibacterial solid paraffin preparation with excellent antibacterial properties. [0003] Second, background technology [0004] Microorganisms are a category widely distributed in nature, and they are small, large, large, large, metabolized, fast, easy to mutate, and strong adaptability.Some microorganisms can cause diseases and animals and plants. [1] EssenceSome pathogenic microorganisms are still seriously threatened by human health and the production of agricultural and animal husbandry.The Unit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N33/12A01N25/08A01N25/30A01P1/00
Inventor 汪灵王冲范博文舒正伟
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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