CN113735667A - Low-cost safe and environment-friendly firework propellant preparation method based on self-sustaining reaction - Google Patents
Low-cost safe and environment-friendly firework propellant preparation method based on self-sustaining reaction Download PDFInfo
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- CN113735667A CN113735667A CN202110867654.4A CN202110867654A CN113735667A CN 113735667 A CN113735667 A CN 113735667A CN 202110867654 A CN202110867654 A CN 202110867654A CN 113735667 A CN113735667 A CN 113735667A
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide
- C06B33/02—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide with an organic non-explosive or an organic non-thermic component
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0066—Shaping the mixture by granulation, e.g. flaking
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Abstract
The invention discloses a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, belonging to the technical field of fireworks and crackers. The low-cost safe and environment-friendly firework propellant powder is characterized in that part of expensive active metal powder is replaced by low-cost alloy powder, and the cost is effectively controlled. The preparation method comprises the following steps: adding a silane coupling agent into ethyl acetate, uniformly stirring, dispersing active metal powder into a solution under the protection of inert atmosphere, soaking for a certain time, filtering and drying to obtain modified active metal powder; adding the binder into ethyl acetate, stirring until the binder is completely dissolved, dispersing the obtained modified active metal powder into the solution, and stirring for a certain time to obtain a dispersion liquid of the binder-coated metal powder; adding the high molecular fluorine polymer and the alloy powder into the obtained dispersion liquid, and stirring for a certain time to obtain slurry; and extruding and granulating the obtained slurry through a granulator, and drying granules to obtain a final product.
Description
Technical Field
The invention relates to a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, belonging to the technical field of fireworks and crackers.
Background
Black powder is one of the important raw materials in the production of fireworks and crackers. Due to the huge hidden dangers of black powder in the aspects of environmental protection, safety and the like, the research and development of novel firework powder become a research hotspot. In recent years, research and development teams including Beijing university of science and technology develop high-molecular fluoropolymer-based safe and environment-friendly firework propellant, and a series of high-molecular fluoropolymer-based safe and environment-friendly firework propellant formulas are developed by utilizing the principle that high temperature is released after severe self-sustaining oxidation-reduction reaction occurs between high-molecular fluoropolymer and active metal.
Although the comprehensive performance of the high-molecular fluoropolymer-based safe and environment-friendly firework is very excellent, particularly the safety performance and the environment-friendly performance of the firework, the active metal used in the formula of the firework is spherical magnesium powder, aluminum powder and other raw materials with special specifications, the cost of the firework is more than the level of hundreds of thousands of tons, the cost of the firework is extremely high, the firework cannot meet the cost requirement of wide popularization, and the development of the sulfur-free and nitrogen-free raw materials with good reaction activity and controllable cost has very important significance.
Disclosure of Invention
The invention discloses a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, which adopts low-cost alloy powder to replace high-price spherical active metal powder to realize effective control of cost; and the adopted preparation processes are conventional mixing, stirring, granulating, drying and the like, the process is simple and high in safety, no special process requirement exists, and the batch production is facilitated. The firework propellant takes the high-molecular fluoropolymer/active metal/binder as the components, has the advantages of no sulfur and nitrogen, little smoke, low mechanical and electrostatic sensitivity, high safety and the like, and can be widely applied to the production of the propellant for fireworks and crackers.
The purpose of the invention is realized by the following technical scheme.
The invention discloses a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, which comprises the following components in parts by weight and particle size:
30-75 parts of high-molecular fluorine polymer with the particle size of 50-400 mu m; 20-50 parts of alloy powder, and the particle size is 10-40 mu m; 5-15 parts of active metal powder, and the particle size is 10-75 mu m; 0.5-3 parts of a silane coupling agent; 0.5-5 parts of a binder.
Preferably, the composition consists of the following components in parts by weight and particle size:
56 parts of high-molecular fluorine polymer with the particle size of 100-300 mu m; 30 parts of alloy powder with the particle size of 10-40 mu m; 10 parts of active metal powder with the particle size of 10-75 mu m; 2 parts of a silane coupling agent; and 2 parts of a binder.
The invention discloses a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, which comprises the following steps:
the method comprises the following steps: adding a silane coupling agent into ethyl acetate, uniformly stirring, dispersing active metal powder into a solution under the protection of inert atmosphere, soaking for a certain time, filtering and drying to obtain modified active metal powder;
step two: adding the binder into ethyl acetate, stirring until the binder is completely dissolved, dispersing the modified active metal powder obtained in the step one into the solution, and stirring for a certain time to obtain a binder-coated metal powder dispersion liquid;
step three: adding the high molecular fluorine polymer and the alloy powder into the dispersion liquid obtained in the third step, and stirring for a certain time to obtain slurry;
step four: and E, extruding and granulating the slurry obtained in the step three through a granulator, and drying the granules to obtain the final product.
The stirring time from the first step to the third step is 1-6 h, and the stirring speed is 100-200 rpm/min.
The soaking time in the step one is 6-12 hours.
In the first step, the high molecular fluorine polymer is perfluoropolyether, polyfluoroolefin, polyfluoroalkane, etc.
In the first step, the active metal is spherical aluminum powder or spherical magnesium powder.
The alloy powder in the third step is aluminum magnesium alloy, magnesium zinc alloy, aluminum magnesium manganese alloy and the like.
Has the advantages that:
1. the invention discloses a preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction, which adopts low-cost alloy powder to replace high-price spherical active metal powder to realize effective control of cost; and the adopted preparation processes are conventional mixing, stirring, granulating, drying and the like, the process is simple and high in safety, no special process requirement exists, and the batch production is facilitated.
2. Compared with the traditional black powder, the low-cost safe and environment-friendly firework propellant based on the self-sustaining reaction prepared by the method has the advantages of no sulfur, no nitrogen, little smoke, environmental friendliness, low mechanical sensitivity, high safety and the like; compared with the newly developed new fluoropolymer/active metal material, the cost is controllable, and the method can be widely applied to the production of the propellant for fireworks and crackers.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are not intended to limit the present invention in any manner. Unless otherwise indicated, the various starting materials used in the examples of the present invention are either conventionally available commercially or prepared according to conventional methods in the art using equipment commonly used in the laboratory. Unless defined or stated otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction comprises the following specific steps:
(1) firstly, metal powder is modified and coated
Surface modification: weighing 1 part of silane coupling agent KH550, adding into 50mL of ethyl acetate, stirring for 0.5h, dispersing 8 parts of active metal and 22 parts of magnesium-zinc alloy powder into the solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the particle size of the active metal is 10 mu m, and the particle size of the magnesium-zinc alloy powder is 10 mu m;
coating: weighing 2 parts of fluororubber 2311, adding into 50mL of ethyl acetate, stirring until the fluororubber is completely dissolved, dispersing the 30 parts of modified metal powder into the solution, stirring for 2 hours at the rotating speed of 200rpm/min, and obtaining a dispersion liquid of the fluororubber-coated metal powder.
(2) Preparation of fireworks propellant powder particles
Mixing powder: weighing 67 parts of polyvinylidene fluoride powder, adding the polyvinylidene fluoride powder into the dispersion liquid obtained by coating the metal powder with the fluororubber, and stirring for 4 hours at the rotating speed of 200rpm/min to obtain slurry; wherein the particle size of the polyvinylidene fluoride powder is 160 mu m;
and (3) granulation: and extruding and granulating the obtained slurry through a granulator with a particle plate of 2mm, and drying the obtained particles at the drying temperature of 60 ℃ to obtain the final product.
According to the test method of GJB 772A-1997 mechanical sensitivity, the impact sensitivity of the prepared firework propellant is 0% and the friction sensitivity is 0% by adopting a 10Kg drop hammer with a drop height of 25 cm.
Example 2
A preparation method of a novel high-molecular fluorine polymer-based safe and environment-friendly firework propellant comprises the following specific steps:
(1) firstly, metal powder is modified and coated
Surface modification: weighing 1 part of silane coupling agent KH550, adding into 50mL of ethyl acetate, stirring for 0.5h, dispersing 15 parts of active metal powder and 20 parts of magnesium-aluminum alloy powder into the solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the particle size of the active metal powder is 10 mu m, and the particle size of the magnesium-aluminum alloy powder is 20 mu m;
coating: weighing 2 parts of fluororubber 2601, adding into 50mL of ethyl acetate, stirring until the fluororubber 2601 is completely dissolved, dispersing the 35 parts of modified metal powder into the solution, stirring for 2 hours at the rotating speed of 200rpm/min, and obtaining a dispersion liquid of the fluororubber-coated metal powder.
(2) Preparation of fireworks propellant powder particles
Mixing powder: weighing 62 parts of polyvinylidene fluoride powder, adding the polyvinylidene fluoride powder into the dispersion liquid obtained by coating the metal powder with the fluororubber, and stirring for 6 hours at the rotating speed of 200rpm/min to obtain slurry; wherein the particle size of the polyvinylidene fluoride powder is 160 mu m;
and (3) granulation: and extruding and granulating the obtained slurry through a granulator with a particle plate of 3mm, and drying the obtained particles at the drying temperature of 60 ℃ to obtain the final product.
According to the test method of GJB 772A-1997 mechanical sensitivity, the impact sensitivity of the prepared firework propellant is 0% and the friction sensitivity is 0% by adopting a 10Kg drop hammer with a drop height of 25 cm.
Example 3
A preparation method of a novel high-molecular fluorine polymer-based safe and environment-friendly firework propellant comprises the following specific steps: (1) firstly, metal powder is modified and coated
Surface modification: weighing 1 part of silane coupling agent KH550, adding into 50mL of ethyl acetate, stirring for 0.5h, dispersing 10 parts of active metal powder and 40 parts of magnesium-aluminum alloy powder into the solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the particle size of the active metal powder is 10 mu m, and the particle size of the magnesium-aluminum alloy powder is 40 mu m;
coating: weighing 2 parts of silicone rubber 2601, adding into 50mL of ethyl acetate, stirring until the silicone rubber is completely dissolved, dispersing the 50 parts of modified metal powder into the solution, stirring for 2 hours at the rotating speed of 200rpm/min, and obtaining the dispersion liquid of silicone rubber coated metal powder.
(2) Preparation of fireworks propellant powder particles
Mixing powder: weighing 47 parts of polytetrafluoroethylene powder, adding the polytetrafluoroethylene powder into the dispersion liquid obtained by coating the metal powder with the silicone rubber, and stirring for 4 hours at the rotating speed of 200rpm/min to obtain slurry; wherein, the particle size of the polytetrafluoroethylene powder is 160 μm;
and (3) granulation: and extruding and granulating the obtained slurry through a granulator with a particle plate of 2mm, and drying the obtained particles at the drying temperature of 60 ℃ to obtain the final product.
According to the test method of GJB 772A-1997 mechanical sensitivity, the impact sensitivity of the prepared firework propellant is 0% and the friction sensitivity is 0% by adopting a 10Kg drop hammer with a drop height of 25 cm.
The above detailed description is intended to illustrate the objects, aspects and advantages of the present invention, and it should be understood that the above detailed description is only exemplary of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A preparation method of a low-cost safe and environment-friendly firework propellant based on self-sustaining reaction is characterized by comprising the following steps: comprises 30-75 parts of high-molecular fluorine polymer; 20-50 parts of alloy powder; 5-15 parts of active metal powder; 0.5-3 parts of a silane coupling agent; 0.5-5 parts of a binder;
the preparation method comprises the following steps:
the method comprises the following steps: adding a silane coupling agent into ethyl acetate, uniformly stirring, dispersing active metal powder into a solution under the protection of inert atmosphere, soaking for a certain time, filtering and drying to obtain modified active metal powder;
step two: adding the binder into ethyl acetate, stirring until the binder is completely dissolved, dispersing the modified active metal powder obtained in the step one into the solution, and stirring for a certain time to obtain a binder-coated metal powder dispersion liquid;
step three: adding the high molecular fluorine polymer and the alloy powder into the dispersion liquid obtained in the third step, and stirring for a certain time to obtain slurry;
step four: and E, extruding and granulating the slurry obtained in the step three through a granulator, and drying the granules to obtain the final product.
2. The method of claim 1, wherein: the composition comprises the following components in parts by weight and particle size: 56 parts of high-molecular fluorine polymer with the particle size of 100-300 mu m; 30 parts of alloy powder with the particle size of 10-40 mu m; 10 parts of active metal powder with the particle size of 10-75 mu m; 2 parts of a silane coupling agent; and 2 parts of a binder.
3. The method of claim 1, wherein:
the stirring time from the first step to the third step is 1-6 h, and the stirring speed is 100-200 rpm/min;
the soaking time in the step one is 6-12 hours;
the high molecular fluorine polymer in the first step comprises perfluoropolyether, polyfluoroolefin and polyfluoroalkane;
the active metal powder in the first step comprises spherical aluminum powder and spherical magnesium powder.
4. The method of claim 1, wherein: the alloy powder in the third step comprises aluminum magnesium alloy, magnesium zinc alloy and aluminum magnesium manganese alloy.
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Application Number | Priority Date | Filing Date | Title |
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CN2021101792120 | 2021-02-09 | ||
CN202110179212.0A CN112898105A (en) | 2021-02-09 | 2021-02-09 | Sulfur-free nitrogen-free high-temperature-resistant environment-friendly firework propellant and preparation method thereof |
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CN202110179212.0A Withdrawn CN112898105A (en) | 2021-02-09 | 2021-02-09 | Sulfur-free nitrogen-free high-temperature-resistant environment-friendly firework propellant and preparation method thereof |
CN202211418438.2A Pending CN115650810A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant and preparation method thereof |
CN202110854846.1A Pending CN113698263A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-cost combustion improver for safe and environment-friendly fireworks |
CN202110867654.4A Pending CN113735667A (en) | 2021-02-09 | 2021-07-28 | Low-cost safe and environment-friendly firework propellant preparation method based on self-sustaining reaction |
CN202110854851.2A Pending CN113698264A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant |
CN202110860607.7A Pending CN113880676A (en) | 2021-02-09 | 2021-07-28 | High-molecular fluorine polymer-based safe and environment-friendly firework propellant |
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CN202110860603.9A Pending CN113582786A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-fluidity fluoropolymer-based safe and environment-friendly firework propellant |
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CN202110179212.0A Withdrawn CN112898105A (en) | 2021-02-09 | 2021-02-09 | Sulfur-free nitrogen-free high-temperature-resistant environment-friendly firework propellant and preparation method thereof |
CN202211418438.2A Pending CN115650810A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant and preparation method thereof |
CN202110854846.1A Pending CN113698263A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-cost combustion improver for safe and environment-friendly fireworks |
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CN202110854851.2A Pending CN113698264A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant |
CN202110860607.7A Pending CN113880676A (en) | 2021-02-09 | 2021-07-28 | High-molecular fluorine polymer-based safe and environment-friendly firework propellant |
CN202110867670.3A Pending CN113880678A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-detonation-volume range-extending safe and environment-friendly firework propellant |
CN202110860694.6A Pending CN113582789A (en) | 2021-02-09 | 2021-07-28 | Safe and environment-friendly firework propellant based on self-sustaining reaction |
CN202211382850.3A Pending CN115819162A (en) | 2021-02-09 | 2021-07-28 | Preparation method of safe and environment-friendly firework propellant based on self-sustaining reaction |
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CN202110854840.4A Pending CN113698262A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-detonation-heat-type range-extending safe and environment-friendly firework propellant |
CN202110854847.6A Pending CN113880675A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-cost combustion improver-based safe and environment-friendly firework propellant |
CN202110854831.5A Pending CN113698261A (en) | 2021-02-09 | 2021-07-28 | High-detonation-volume type range-extending safe and environment-friendly firework propellant |
CN202110877871.1A Pending CN113651660A (en) | 2021-02-09 | 2021-07-28 | Preparation method of deoxidation type safe and environment-friendly firework propellant |
CN202110854854.6A Pending CN113912467A (en) | 2021-02-09 | 2021-07-28 | Low-cost safe and environment-friendly firework propellant based on self-sustaining reaction |
CN202110860609.6A Pending CN113582788A (en) | 2021-02-09 | 2021-07-28 | Preparation method of dust-reducing safe and environment-friendly firework propellant |
CN202211423369.4A Pending CN115819163A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-detonation-heat-type range-extending safe and environment-friendly firework propellant |
CN202110854852.7A Pending CN113956119A (en) | 2021-02-09 | 2021-07-28 | High-detonation-heat-type range-extending safe and environment-friendly firework propellant |
CN202110854829.8A Pending CN113956118A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-burning-speed safe and environment-friendly firework propellant |
CN202110860606.2A Pending CN113582787A (en) | 2021-02-09 | 2021-07-28 | Preparation method of safe and environment-friendly firework propellant based on self-sustaining reaction |
CN202211423398.0A Pending CN115716770A (en) | 2021-02-09 | 2021-07-28 | High-detonation-volume type range-extending safe and environment-friendly firework propellant |
CN202110860603.9A Pending CN113582786A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-fluidity fluoropolymer-based safe and environment-friendly firework propellant |
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CN114736084A (en) * | 2022-03-09 | 2022-07-12 | 江西星火军工工业有限公司 | Stable and efficient novel combustion agent and preparation method thereof |
CN115200420B (en) * | 2022-07-22 | 2023-09-01 | 萍乡市金坪烟花制造有限公司 | Environment-friendly airport high-altitude bird-expelling bomb and preparation method thereof |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5759458A (en) * | 1996-07-26 | 1998-06-02 | Thiokol Corporation | Process for the manufacture of high performance gun propellants |
CN103506621A (en) * | 2013-10-11 | 2014-01-15 | 南京理工大学 | Preparation method for fluororubber cladding nanometer aluminum powder composite particles |
CN105016933A (en) * | 2015-07-15 | 2015-11-04 | 江西省东安新材料有限公司 | Sulfur-free propellant powder |
Family Cites Families (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099376A (en) * | 1955-06-29 | 1978-07-11 | The B.F. Goodrich Company | Gas generator and solid propellant with a silicon-oxygen compound as a burning rate modifier, and method for making the same |
GB893499A (en) * | 1959-08-15 | 1962-04-11 | Olin Mathieson | Nitrocelluose particles |
FR2086881A5 (en) * | 1970-04-13 | 1971-12-31 | France Etat | |
JPS5476813A (en) * | 1977-11-30 | 1979-06-19 | Nippon Oils & Fats Co Ltd | Small granular propellant and production thereof |
EP0238210A3 (en) * | 1986-03-14 | 1989-05-24 | Imperial Chemical Industries Plc | Solid explosive composition |
JP2599783B2 (en) * | 1989-01-23 | 1997-04-16 | 旭化成工業株式会社 | Launch fireworks skin |
CN1072446A (en) * | 1992-12-25 | 1993-05-26 | 兰考县孟寨乡镇企业委员会 | Start combustion-supporting suppository and production method thereof |
DE4412871C2 (en) * | 1993-04-15 | 1997-08-14 | Nof Corp | Gas generator compositions |
RU2064914C1 (en) * | 1993-05-21 | 1996-08-10 | Люберецкое научно-производственное объединение "Союз" | Fireworks composition, method of its preparing, monolayer fireworks member and a method of its preparing |
CN2249097Y (en) * | 1995-11-02 | 1997-03-12 | 齐继平 | Fire annihilating grenade made of fireworks-display bomb paperboard |
DE19823999C2 (en) * | 1998-05-28 | 2002-07-18 | Nico Pyrotechnik | Process for the manufacture of pyrotechnic igniters |
DE19846511C2 (en) * | 1998-10-09 | 2002-06-13 | Comet Gmbh Pyrotechnik Appbau | Fireworks with non-explosive effect filling |
JP2000146497A (en) * | 1998-11-05 | 2000-05-26 | Gunma Kako Seizosho:Kk | Interior decoration fireworks |
CN1203030C (en) * | 2003-01-24 | 2005-05-25 | 刘琼吾 | Agent combination of safe fireworks and fire cracker |
US6896751B2 (en) * | 2003-05-16 | 2005-05-24 | Universal Propulsion Company, Inc. | Energetics binder of fluoroelastomer or other latex |
US8163114B2 (en) * | 2004-04-07 | 2012-04-24 | New Jersey Institute Of Technology | Netshape manufacturing processes and compositions |
CN2811930Y (en) * | 2005-05-18 | 2006-08-30 | 石柏青 | Non-pollution safety firework |
EP1982968A1 (en) * | 2007-04-16 | 2008-10-22 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | A low-smoke pyrotechnic composition for producing colored flames |
CN101125786A (en) * | 2007-08-06 | 2008-02-20 | 季岩 | Low voltage fusee powder |
RU2354634C1 (en) * | 2007-09-19 | 2009-05-10 | Ооо "Прабенг" | Method for manufacture of pyrotechnic elements |
CN101531881B (en) * | 2008-03-14 | 2012-04-18 | 上海橡胶制品研究所 | Bonding adhesive for bonding fluorocarbon silicone rubber with metals and preparation method thereof |
CN101475421B (en) * | 2008-11-24 | 2013-01-30 | 周正凯 | Nitrocellulose paper for firework |
CN101445415A (en) * | 2008-12-31 | 2009-06-03 | 北京理工大学 | Modification method for fireworks and crackers by coating potassium chlorate |
CN101560129A (en) * | 2009-05-13 | 2009-10-21 | 杜伯武 | Method for preparingsafe and environmentally friendly propellant applied to fireworks |
CN102050686B (en) * | 2009-10-30 | 2012-10-10 | 浏阳市达浒花炮艺术焰火燃放集团有限公司 | Micro smoke ignition agent for fireworks |
CN102010277B (en) * | 2010-09-15 | 2012-07-11 | 中北大学 | ANPZO-based safe airbag gas generating agent |
CN102219622A (en) * | 2011-04-13 | 2011-10-19 | 南京理工大学 | Smokeless propellant for fireworks |
US10858296B1 (en) * | 2012-06-27 | 2020-12-08 | James J. Myrick | Energetics, compositions, manufacture and applications |
RU2501777C1 (en) * | 2012-08-01 | 2013-12-20 | Открытое акционерное общество "Чебоксарское производственное объединение им. В.И. Чапаева" | Pyrotechnic composition for fireworks |
CN102924193B (en) * | 2012-10-15 | 2014-12-17 | 周健 | Smokeless propellant powder with safe, environmental-friendly and porous structure for fireworks |
CN103214322A (en) * | 2013-05-15 | 2013-07-24 | 浏阳市合力高科发展有限公司 | Sulfur-smoke-free powder composition and preparation method thereof |
CN104276908A (en) * | 2013-07-10 | 2015-01-14 | 周健 | Safe environment-friendly novel pyrotechnic composition |
CN103396276A (en) * | 2013-08-07 | 2013-11-20 | 醴陵恒达烟花有限公司 | Propellant for fireworks and crackers |
CN103739412A (en) * | 2013-12-17 | 2014-04-23 | 江西省李渡烟花集团有限公司 | Sulfur-free firework propellant |
JP2015182953A (en) * | 2014-03-24 | 2015-10-22 | 久明 福井 | gas generating composition |
CN104058906B (en) * | 2014-06-27 | 2016-05-18 | 湖南飞宇新材料有限公司 | A kind of without sulphur ring peace agent propellant powder |
CN104889387A (en) * | 2015-05-11 | 2015-09-09 | 李广兵 | Preparation method for high polymer composite nano aluminum powder |
CN106323099B (en) * | 2015-07-08 | 2018-04-20 | 王陆军 | A mankind's fireworks and firecrackers combustion-supporting |
CN106008123B (en) * | 2016-05-13 | 2020-02-07 | 浏阳市金丰出口鞭炮烟花制造有限公司 | Sulfur-free firecracker powder |
CN106187650B (en) * | 2016-07-25 | 2018-02-27 | 万载县建坤化工有限公司 | Fireworks and firecrackers opens quick-fried medicament composition |
CN106753060B (en) * | 2016-11-14 | 2018-04-17 | 上海普力通新材料科技有限公司 | A kind of Heat vulcanization adhesive of silane coupling agent base |
CN108623422A (en) * | 2017-03-20 | 2018-10-09 | 陈晟 | A kind of firework launching agent using modified bentonite composite |
US10247529B2 (en) * | 2017-06-26 | 2019-04-02 | Energetic Materials & Products, Inc. | Reactive shot shell for breaching barriers |
CN107721782A (en) * | 2017-10-12 | 2018-02-23 | 万载康安花炮科技有限公司 | A kind of safety and environmental protection propellant powder |
CN108409511A (en) * | 2018-03-03 | 2018-08-17 | 汤佛根 | A kind of combustion-supporting, boost gunpowder anti-blushing agent |
CN108516917A (en) * | 2018-06-06 | 2018-09-11 | 张宏善 | A kind of safety opens quick-fried medicine, propellant powder and preparation method thereof without sulfur type fireworks |
CN109211028A (en) * | 2018-11-12 | 2019-01-15 | 长沙浩然医疗科技有限公司 | A kind of economic fireworks material of Environmental Safety and its application |
CN109834264A (en) * | 2019-01-25 | 2019-06-04 | 湖北航天化学技术研究所 | A kind of fluoropolymer cladding micro-/ nano aluminium powder composite particles and preparation method thereof |
CN109956843A (en) * | 2019-03-08 | 2019-07-02 | 醴陵恒达烟花有限公司 | A kind of smokeless propellant and preparation method thereof |
CN109721446B (en) * | 2019-03-17 | 2021-07-13 | 程爱宝 | Micro-pyrotechnic composition and application thereof |
CN109956844B (en) * | 2019-03-29 | 2021-01-26 | 中国工程物理研究院化工材料研究所 | Preparation method of fluoropolymer/metal composite energetic material |
CN110204405A (en) * | 2019-05-10 | 2019-09-06 | 湖南出入境检验检疫局检验检疫技术中心 | A kind of cladding fireworks material, celestial body medicament and its preparation and application |
CN110317120B (en) * | 2019-05-30 | 2020-10-20 | 湖北航鹏化学动力科技有限责任公司 | Ignition powder, preparation method and application thereof and safety airbag gas generator |
CN110143843B (en) * | 2019-06-04 | 2021-06-29 | 中国工程物理研究院化工材料研究所 | Nano aluminum-based porous microspheres and preparation method thereof |
RU2710186C1 (en) * | 2019-08-29 | 2019-12-24 | Акционерное общество "Федеральный научно-производственный центр "Научно-исследовательский институт прикладной химии" | Pyrotechnic spark-force compound of yellow fire |
RU2710190C1 (en) * | 2019-08-29 | 2019-12-24 | Акционерное общество "Федеральный научно-производственный центр "Научно-исследовательский институт прикладной химии" | Pyrotechnical composition of yellow fire |
CN110526793B (en) * | 2019-09-17 | 2021-08-20 | 西安近代化学研究所 | High-energy-density explosive compound and preparation method thereof |
CN110437021A (en) * | 2019-09-17 | 2019-11-12 | 西安近代化学研究所 | A kind of fuel factor explosive |
CN110683924A (en) * | 2019-10-29 | 2020-01-14 | 余庆县东瑞烟花爆竹有限责任公司 | Manufacturing method of environment-friendly safe firework |
CN111423293A (en) * | 2019-11-11 | 2020-07-17 | 殷柳 | Method for improving effective reaction rate of aluminum powder in energetic material and product |
CN110845286A (en) * | 2019-11-27 | 2020-02-28 | 江西吉润花炮新材料科技有限公司 | Moisture-proof smokeless sulfur-free propellant for fireworks and preparation method thereof |
CN110937966A (en) * | 2019-11-27 | 2020-03-31 | 江西吉润花炮新材料科技有限公司 | Multifunctional smokeless and sulfur-free firecracker propellant and preparation method thereof |
CN110981674A (en) * | 2019-12-05 | 2020-04-10 | 北京理工大学 | Low-burning-rate ignition wire and preparation method thereof |
CN110981669A (en) * | 2019-12-20 | 2020-04-10 | 江西吉润花炮新材料科技有限公司 | Low-sensitivity environment-friendly firework chemical and preparation method thereof |
CN111170814B (en) * | 2020-01-15 | 2021-06-01 | 中北大学 | CL-20-based energetic film spraying material and micro-spraying direct-writing forming method |
CN111217652B (en) * | 2020-02-17 | 2021-09-07 | 西北工业大学 | Composite solid propellant based on fluoropolymer modified aluminum powder and preparation method thereof |
CN111484383A (en) * | 2020-03-24 | 2020-08-04 | 北方斯伦贝谢油田技术(西安)有限公司 | Thermal energy trigger and preparation method thereof |
CN111499479B (en) * | 2020-04-14 | 2021-11-23 | 西安近代化学研究所 | Combustion speed regulator for carbon-based zinc oxide composite propellant and low-temperature preparation method thereof |
CN111393241A (en) * | 2020-04-20 | 2020-07-10 | 北京理工大学 | Al、Fe2O3PTFE nano composite energetic material and preparation method thereof |
CN111533814A (en) * | 2020-05-13 | 2020-08-14 | 张宏善 | Production process of nitrocotton and application of nitrocotton |
CN111620756A (en) * | 2020-06-05 | 2020-09-04 | 湖南坤普科技有限公司 | Formula and preparation process of bright bead for fireworks |
CN111689823A (en) * | 2020-06-16 | 2020-09-22 | 湖南坤普科技有限公司 | Micro-smoke lead formula and preparation process thereof |
CN112266314B (en) * | 2020-11-12 | 2021-10-08 | 西安近代化学研究所 | Al/PVDF/PDA/Fe2O3Three-layer core-shell structure thermite and preparation method thereof |
CN112898105A (en) * | 2021-02-09 | 2021-06-04 | 北京理工大学 | Sulfur-free nitrogen-free high-temperature-resistant environment-friendly firework propellant and preparation method thereof |
-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5759458A (en) * | 1996-07-26 | 1998-06-02 | Thiokol Corporation | Process for the manufacture of high performance gun propellants |
CN103506621A (en) * | 2013-10-11 | 2014-01-15 | 南京理工大学 | Preparation method for fluororubber cladding nanometer aluminum powder composite particles |
CN105016933A (en) * | 2015-07-15 | 2015-11-04 | 江西省东安新材料有限公司 | Sulfur-free propellant powder |
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CN113698262A (en) | 2021-11-26 |
CN113698260A (en) | 2021-11-26 |
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CN113582787A (en) | 2021-11-02 |
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CN113582786A (en) | 2021-11-02 |
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CN113956117A (en) | 2022-01-21 |
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CN113912467A (en) | 2022-01-11 |
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CN113698265A (en) | 2021-11-26 |
CN113880676A (en) | 2022-01-04 |
CN113582788A (en) | 2021-11-02 |
CN113880678A (en) | 2022-01-04 |
CN113956119A (en) | 2022-01-21 |
CN115716770A (en) | 2023-02-28 |
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CN115784820A (en) | 2023-03-14 |
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