CN116789505A - Color reagent for fireworks and crackers and preparation method thereof - Google Patents

Color reagent for fireworks and crackers and preparation method thereof Download PDF

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Publication number
CN116789505A
CN116789505A CN202310320562.3A CN202310320562A CN116789505A CN 116789505 A CN116789505 A CN 116789505A CN 202310320562 A CN202310320562 A CN 202310320562A CN 116789505 A CN116789505 A CN 116789505A
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CN
China
Prior art keywords
fireworks
parts
crackers
color reagent
color
Prior art date
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Pending
Application number
CN202310320562.3A
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Chinese (zh)
Inventor
易妲
易舟
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WANZAI JIANKUN CHEMICAL CO Ltd
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WANZAI JIANKUN CHEMICAL CO Ltd
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Application filed by WANZAI JIANKUN CHEMICAL CO Ltd filed Critical WANZAI JIANKUN CHEMICAL CO Ltd
Priority to CN202310320562.3A priority Critical patent/CN116789505A/en
Publication of CN116789505A publication Critical patent/CN116789505A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B23/00Compositions characterised by non-explosive or non-thermic constituents
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0033Shaping the mixture
    • C06B21/0066Shaping the mixture by granulation, e.g. flaking

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The application provides a color reagent for fireworks and crackers and a preparation method thereof, and in particular relates to the technical field of production and processing of fireworks and crackers, wherein the color reagent for fireworks and crackers comprises the following raw materials in parts by weight: and (2) an adhesive: 10-15 parts of a lubricant; brightening agent: 20-30 parts of a lubricant; 1,1 '-dihydroxy-5, 5' -azobis tetrazole: 20-30 parts of a lubricant; methylimidazole nitrate: 8-30 parts of the color reagent for fireworks and crackers and the preparation method thereof, provided by the application, are used for coloring by 1,1 '-dihydroxy-5, 5' -azo-bis-tetrazole and methylimidazole nitrate, so that negative influence on air after the fireworks and crackers are burnt can be reduced.

Description

Color reagent for fireworks and crackers and preparation method thereof
Technical Field
The application relates to the technical field of production and processing of fireworks and crackers, in particular to a color reagent for fireworks and crackers and a preparation method thereof.
Background
The fireworks and crackers are made of the gunpowder of the cigarettes as the main raw material, and produce the effects of light, color, smoke and the like through burning or explosion after ignition, thus becoming an indispensable ornamental entertainment good product for people praying fortune, festival celebration, celebration and the like all over the world.
The color reagent is added into most of the existing fireworks and crackers, the fireworks and crackers can have better ornamental effect by adding the color reagent, most of the existing fireworks and crackers are colored by taking magnesium-aluminum alloy powder as a brightening agent and then adding a coloring agent such as copper salt, strontium salt and other metal salts, and the fireworks and crackers can be made to present different colors by releasing light with different wavelengths through different metal salts.
The fireworks are colored and brightened by metal salts such as magnesium aluminum alloy powder, copper salt, strontium salt and the like, solid residues are easy to generate after combustion, the solid residues easily have great negative influence on air quality, but the fireworks are colored and brightened without using metal salts such as magnesium aluminum alloy powder, copper salt, strontium salt and the like, and the ornamental value of fireworks and crackers is easily reduced.
In view of the above, the application provides a color reagent for fireworks and crackers and a preparation method thereof, and the combustion does not negatively affect the quality of air when the color reagent can be used for coloring and brightening fireworks.
Disclosure of Invention
The application provides a color reagent for fireworks and crackers and a preparation method thereof, which are used for more exactly solving the problem that the color reagent of the existing fireworks and crackers is easy to cause negative influence on air quality.
The application is realized by the following technical scheme:
the application provides a color reagent for fireworks and crackers, which comprises the following raw materials in parts by weight:
and (2) an adhesive: 10-15 parts of a lubricant;
brightening agent: 20-30 parts of a lubricant;
1,1 '-dihydroxy-5, 5' -azobis tetrazole: 20-30 parts of a lubricant;
methylimidazole nitrate: 8-30 parts.
Further, the binder is chlorinated rubber and phenolic resin.
Further, the ratio of the chlorinated rubber to the phenolic resin is 1:1.
Further, the brightening agent is potassium perchlorate.
Further, the preparation method of the color reagent for fireworks and crackers comprises the following steps:
s1, grinding and crushing 30 parts of methylimidazole nitrate, 30 parts of brightening agent and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and mixing to obtain a mixture;
s2, dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
s3, mixing 20 parts of adhesive with the powder, continuing for 10-20min at a preset temperature, and uniformly stirring until the temperature is reduced to room temperature to obtain the adhesive;
s4, adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times through a filter screen, and drying the filtered granules at 50 ℃ for 1-2 hours to obtain the color reagent for fireworks and crackers.
Further, the mixing mode in the step S1 is wet mixing.
Further, in the step S2, absolute ethyl alcohol is adopted for dehydration.
Further, the preset temperature in the step S3 is 70 ℃.
Further, in the step S4, the number of the filtering sieves is 60-80 meshes, and the sieving times are 3-5.
The application has the beneficial effects that:
the color reagent for fireworks and crackers provided by the application can be used for coloring fireworks and crackers through 1,1 '-dihydroxy-5, 5' -azo-bis-tetrazole and methylimidazole nitrate, and the coloring agent is used for coloring the fireworks and crackers, so that harmful gas is not generated when the color reagent for fireworks and crackers is combusted, the air quality is not negatively influenced, and the color reagent has better environmental protection compared with the traditional magnesium-aluminum metal powder, copper salt, strontium salt and barium salt serving as the coloring agent.
Drawings
FIG. 1 is a flow chart of a color reagent for fireworks and crackers and a preparation method thereof;
fig. 2 is a graph showing the test results of the color agent for fireworks and crackers according to the present application.
The realization, functional characteristics and advantages of the present application are further described with reference to the accompanying drawings in combination with the embodiments.
Detailed Description
In order to more clearly and completely describe the technical scheme of the application, the application is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the color reagent for fireworks and crackers provided by the application comprises the following raw materials in parts by weight:
and (2) an adhesive: 10-15 parts of a lubricant;
brightening agent: 20-30 parts of a lubricant;
1,1 '-dihydroxy-5, 5' -azobis tetrazole: 20-30 parts of a lubricant;
methylimidazole nitrate: 8-30 parts.
The preparation method of the color reagent for fireworks and crackers comprises the following steps:
s1, grinding and crushing 30 parts of methylimidazole nitrate, 30 parts of brightening agent and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and mixing to obtain a mixture;
s2, dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
s3, mixing 20 parts of adhesive with the powder, continuing for 10-20min at a preset temperature, and uniformly stirring until the temperature is reduced to room temperature to obtain the adhesive;
s4, adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times through a filter screen, and drying the filtered granules at 50 ℃ for 1-2 hours to obtain the color reagent for fireworks and crackers.
In this embodiment, the binder is chlorinated rubber and phenolic resin; the ratio of the chlorinated rubber to the phenolic resin is 1:1; the brightening agent is potassium perchlorate, the mixing mode in the step S1 is wet mixing, namely small part of water is added for mixing, materials can be uniformly mixed by adding water for mixing, the dehydration in the step S2 is carried out by adopting absolute ethyl alcohol for dehydration, the liquid added by the wet mixing can be dehydrated and dehumidified by the dehydration, the drying is easier, the water content is easier to control, the preset temperature in the step S3 is 70 ℃, the mesh number of the filter screen in the step S4 is 60-80 meshes, and the sieving times are 3-5.
Examples
Grinding and crushing 8 parts of methylimidazole nitrate, 20 parts of potassium perchlorate and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and wet mixing to obtain a mixture;
dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 5 parts of phenolic resin and 5 parts of chlorinated rubber with the powder, continuing for 15min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1h to obtain the color medicament for fireworks and crackers.
Examples
Grinding and crushing 14 parts of methylimidazole nitrate, 24 parts of potassium perchlorate and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and wet mixing to obtain a mixture;
dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 5 parts of phenolic resin and 5 parts of chlorinated rubber, continuing for 15min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1h to obtain the color medicament for fireworks and crackers.
Examples
Grinding and crushing 20 parts of methylimidazole nitrate, 26 parts of potassium perchlorate and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and wet mixing to obtain a mixture;
dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 7 parts of phenolic resin and 7 parts of chlorinated rubber, continuing for 20min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1.5 hours to obtain the color reagent for fireworks and crackers.
Examples
Grinding and crushing 24 parts of methylimidazole nitrate, 28 parts of potassium perchlorate and 24 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and wet mixing to obtain a mixture;
dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 7 parts of phenolic resin and 7 parts of chlorinated rubber, continuing for 20min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1h to obtain the color medicament for fireworks and crackers.
Examples
Grinding and crushing 30 parts of methylimidazole nitrate, 30 parts of potassium perchlorate and 30 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and wet mixing to obtain a mixture;
dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 7 parts of phenolic resin and 7 parts of chlorinated rubber, continuing for 20min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1h to obtain the color medicament for fireworks and crackers.
Comparative example 1:
grinding and crushing 26 parts of copper oxide, 22 parts of magnesium aluminum alloy powder and 30 parts of strontium carbonate, and mixing to obtain a mixture;
drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
mixing 7 parts of phenolic resin and 7 parts of chlorinated rubber, continuing for 20min at 70 ℃, and then uniformly stirring until the temperature is reduced to room temperature to obtain an adhesive;
adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times by a 60-80-mesh filter screen, and drying the filtered granules at 50 ℃ for 1h to obtain the color medicament for fireworks and crackers.
Examples 1-5 and comparative example 1 were tested
The particle testing method comprises the following steps: 1000mg of the sample was taken at a volume of about 0.25m 3 The mass of PM2.5 or PM10 produced per 1000mg of sample was calculated using the formula (m 2-m 0-mvoid)/m1=m3 by subtracting the mass of PM2.5 or PM10 in the same volume environment from the mass of solid particles collected by the ambient air particulate matter sampler BTPM-HSS. m is blank experimental mass g; m0 is the mass g of the filter membrane before filtration; m1 is the mass g of the sample to be tested; m2 is the mass g of the filter membrane after filtration; m3 is mass mg of PM2.5 or PM10 generated by burning 1000mg of the tested sample.
The color purity testing method comprises the following steps: a proper amount of sample is taken, a proper amount of primer is put on a combustion vessel, a lead is inserted, and the sample is put in a combustion chamber. And (3) aligning an external optical path fiber probe of the FSG-500 transient spectrometer with the medicament, starting equipment, igniting a lead wire, capturing medicament burning luminescence by the spectrometer, and processing to obtain medicament burning spectrum data. And processing and analyzing the obtained spectrum data by using data processing software to obtain the color purity of the sample.
The test results are shown in fig. 2, and it is known from the test results that the 1,1 '-dihydroxy-5, 5' -azobis tetrazole and methylimidazole nitrate have better color purity than the traditional aluminum oxide and magnesium aluminum alloy powder, and have less negative influence on air.
Of course, the present application can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present application.

Claims (9)

1. The color reagent for the fireworks and crackers is characterized by comprising the following raw materials in parts by weight:
and (2) an adhesive: 10-15 parts of a lubricant;
brightening agent: 20-30 parts of a lubricant;
1,1 '-dihydroxy-5, 5' -azobis tetrazole: 20-30 parts of a lubricant;
methylimidazole nitrate: 8-30 parts.
2. The color agent for fireworks and crackers according to claim 1, wherein the binder is chlorinated rubber and phenolic resin.
3. The color reagent for fireworks and crackers according to claim 2, wherein the ratio of the chlorinated rubber to the phenolic resin is 1:1.
4. The color reagent for fireworks and crackers according to claim 1, wherein the brightening agent is potassium perchlorate.
5. A method for preparing a color reagent for fireworks and crackers, characterized in that the method for preparing a color reagent for fireworks and crackers according to any one of claims 1-4 comprises the following steps:
s1, grinding and crushing 30 parts of methylimidazole nitrate, 30 parts of brightening agent and 20 parts of 1,1 '-dihydroxy-5, 5' -azo bis tetrazole, and mixing to obtain a mixture;
s2, dehydrating the obtained mixture, drying the dehydrated mixture at 50 ℃ for 4 hours, controlling the water content to be less than 0.1%, and drying to obtain powder;
s3, mixing 20 parts of adhesive with the powder, continuing for 10-20min at a preset temperature, and uniformly stirring until the temperature is reduced to room temperature to obtain the adhesive;
s4, adding the stirred adhesive into a granulator for granulating, screening the obtained granules for 3-5 times through a filter screen, and drying the filtered granules at 50 ℃ for 1-2 hours to obtain the color reagent for fireworks and crackers.
6. The method of preparing a color reagent for fireworks and crackers according to claim 5, wherein the mixing mode in the step S1 is wet mixing.
7. The method for producing a color reagent for fireworks and crackers according to claim 5, wherein the dehydration in step S2 is performed by using absolute ethanol.
8. The method for preparing a color agent for fireworks and crackers according to claim 5, wherein the preset temperature in the step S3 is 70 ℃.
9. The method for preparing a color reagent for fireworks and crackers according to claim 5, wherein the number of the filtering screens in the step S4 is 60-80 meshes, and the number of the screening times is 3-5.
CN202310320562.3A 2023-03-29 2023-03-29 Color reagent for fireworks and crackers and preparation method thereof Pending CN116789505A (en)

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Application Number Priority Date Filing Date Title
CN202310320562.3A CN116789505A (en) 2023-03-29 2023-03-29 Color reagent for fireworks and crackers and preparation method thereof

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461899A (en) * 1974-07-23 1977-01-19 Ciba Geigy Ag Disazo pigments and a process for their manufacture
JP2006183016A (en) * 2004-11-30 2006-07-13 Dainippon Ink & Chem Inc Disazo pigment composition and method for producing the same
CN103724287A (en) * 2012-10-10 2014-04-16 同济大学 1,1'-dihydroxy-5,5'-bitetrazole ammonium salt and preparation method
WO2018203863A2 (en) * 2016-12-28 2018-11-08 Atilim Üni̇versi̇tesi̇ New generation primary explosive
WO2018203864A2 (en) * 2016-12-29 2018-11-08 Atilim Universitesi Green primary explosive
CN111875457A (en) * 2020-07-15 2020-11-03 北京理工大学 Color agent for fireworks and crackers and preparation method thereof
WO2022134122A1 (en) * 2020-12-26 2022-06-30 王金明 Preparation method for polymeric pvc heat stabilizer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461899A (en) * 1974-07-23 1977-01-19 Ciba Geigy Ag Disazo pigments and a process for their manufacture
JP2006183016A (en) * 2004-11-30 2006-07-13 Dainippon Ink & Chem Inc Disazo pigment composition and method for producing the same
CN103724287A (en) * 2012-10-10 2014-04-16 同济大学 1,1'-dihydroxy-5,5'-bitetrazole ammonium salt and preparation method
WO2018203863A2 (en) * 2016-12-28 2018-11-08 Atilim Üni̇versi̇tesi̇ New generation primary explosive
WO2018203864A2 (en) * 2016-12-29 2018-11-08 Atilim Universitesi Green primary explosive
CN111875457A (en) * 2020-07-15 2020-11-03 北京理工大学 Color agent for fireworks and crackers and preparation method thereof
WO2022134122A1 (en) * 2020-12-26 2022-06-30 王金明 Preparation method for polymeric pvc heat stabilizer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张国涛,等: "固体推进剂含能催化剂研究进展", 《固体火箭技术》, vol. 34, no. 3, pages 319 - 323 *
张锦浩: "偶氮双四唑类含能化合物的合成及性能研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑(月刊)》, pages 020 - 161 *

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