CN113956117A - High-fluidity fluoropolymer-based safe and environment-friendly firework propellant - Google Patents
High-fluidity fluoropolymer-based safe and environment-friendly firework propellant Download PDFInfo
- Publication number
- CN113956117A CN113956117A CN202110854820.7A CN202110854820A CN113956117A CN 113956117 A CN113956117 A CN 113956117A CN 202110854820 A CN202110854820 A CN 202110854820A CN 113956117 A CN113956117 A CN 113956117A
- Authority
- CN
- China
- Prior art keywords
- environment
- fluoropolymer
- propellant
- friendly
- fluidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Powder Metallurgy (AREA)
- Medicinal Preparation (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Fireproofing Substances (AREA)
- Glanulating (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, and belongs to the technical field of fireworks and crackers. The invention consists of a fluoropolymer-based safe and environment-friendly firework propellant basic formula and a dispersing agent. The fluoropolymer-based safe and environment-friendly firework propellant is prepared from 80-95 parts by weight of a basic formula, 5-15 parts by weight of a dispersing agent and 10-70 mu m in particle size. The invention has the advantages of safety and environmental protection of the fluoropolymer-based safe and environmental-friendly fireworks, improves the processing performance of medicament granulation by adding the dispersing agent, further improves the safety and reliability of the medicament, slows down the brisance of a reaction system, and can also reduce the noise pollution to the environment after the propellant reacts. The safe and environment-friendly fluoropolymer-based fireworks have the advantages of no sulfur, no nitrogen, little smoke, environmental friendliness, low mechanical sensitivity, high safety, good free-running property and the like. The invention can be widely applied to the production of the propellant for fireworks and crackers.
Description
Technical Field
The invention relates to a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, 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. The high molecular fluorine polymer can generate violent self-maintaining oxidation reduction reaction with active metal, oxygen is not needed to participate, the raw material is free of sulfur and nitrogen, and the high molecular fluorine polymer has great potential in developing safe and environment-friendly firework propellant.
The comprehensive performance of the high molecular fluorine polymer based composite material is excellent, and especially the safety performance and the environmental protection performance of the high molecular fluorine polymer based composite material. The basic principle of the formula is that the violent oxidation-reduction reaction between the high molecular fluorine polymer and the active metal instantly releases high temperature of more than 3000 ℃ to the outside so as to perform expansion work on air. However, the high molecular fluorine polymer used in the formula has strong plasticity and cohesiveness, so that the free-running property of the powder is seriously influenced, and the difficulty in forming and granulating the propellant powder is increased. Aiming at the problems, the formula of the fluoropolymer-based safe and environment-friendly firework with better free-running property is developed, the formability and the process reliability are improved, and the method has very important significance for developing the wide application of the fluoropolymer-based safe and environment-friendly firework.
Disclosure of Invention
The invention aims to provide a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, which has the advantages of safety and environment friendliness of fluoropolymer-based safe and environment-friendly fireworks, and on the basis of the formula of the original fluoropolymer-based safe and environment-friendly firework propellant, the high-fluidity design is added, the processing performance of medicament granulation is improved, the safety and reliability of the medicament are further improved, the brisance of a reaction system is slowed down, and the noise pollution to the environment after propellant reaction can be reduced.
The purpose of the invention is realized by the following technical scheme.
The invention discloses a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, which consists of a fluoropolymer-based safe and environment-friendly firework propellant basic formula and a fluidity agent. Through increasing the flowing agent, when improving the processability of medicament granulation, further promote the security performance and the reliability of medicament, slow down the brisance of reaction system, can also reduce the noise pollution to the environment after the propellant powder reaction.
Preferably, the fluoropolymer-based safe and environment-friendly firework propellant is prepared from 80-95 parts by weight of the basic formula, 5-15 parts by weight of the flow agent and 10-70 mu m in particle size.
Preferably, the basic formula of the fluoropolymer-based safe and environment-friendly firework propellant is as follows: 30-75 parts of high-molecular fluorine polymer with the particle size of 50-400 mu m; 25-70 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 fluoropolymer is perfluoropolyether, polyfluoroolefin, polyfluoroalkane, perfluoroalkoxy resin, or the like;
preferably, the active metal powder is spherical aluminum powder, spherical magnesium powder and the like.
Preferably, the dispersing agent is spherical graphite, glass beads, or the like.
The invention also discloses a preparation method of the high-fluidity fluoropolymer-based novel safe and environment-friendly firework propellant, which is used for preparing the high-fluidity fluoropolymer-based novel safe and environment-friendly firework propellant,
the method mainly comprises the following steps:
the method comprises the following steps: obtaining a fluoropolymer/active metal powder formula propellant base formula A by using the processes of chemical modification, coating, powder mixing, drying and the like;
step two: and adding the propellant powder of the basic formula A into a flowable formulation, and performing powder mixing and granulation processes to obtain a final product.
Has the advantages that:
1. the invention discloses a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, which consists of a fluoropolymer-based safe and environment-friendly firework propellant basic formula and a fluidity agent. The method has the advantages of safety and environmental protection of the fluoropolymer-based safe and environmental-friendly firework propellant, and on the basis of the formula of the original fluoropolymer-based safe and environmental-friendly firework propellant, the high-free-running design is added, the processing performance of medicament granulation is improved, the safety and reliability of the medicament are further improved, the brisance of a reaction system is slowed down, and the noise pollution to the environment after propellant reaction can be reduced.
The fluoropolymer-based safe and environment-friendly firework has the advantages of no sulfur, no nitrogen, slight smoke, environmental friendliness, low mechanical sensitivity, high safety and the like.
2. The invention discloses a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant, which adopts conventional metal powder, high-molecular fluoropolymer, a binder and a dispersant as raw materials; the process of chemical modification, coating, powder mixing, granulation, drying and the like is adopted, the process is simple, no special process requirement exists, the cost is low, and the batch production is convenient.
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 high-fluidity fluoropolymer-based safe and environment-friendly firework propellant comprises the following specific steps:
(1) surface modification: adding 1 part of silane coupling agent KH550 into ethyl acetate, stirring for 0.5h, dispersing 30 parts of spherical magnesium powder and 20 parts of spherical aluminum powder into a solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the spherical metal has a particle size of 10 μm.
Coating: adding 2 parts of polyurethane elastomer (with the molecular weight of 1000-3000) into ethyl acetate, stirring until the polyurethane elastomer is completely dissolved, dispersing the modified metal powder into the solution, and stirring for 2 hours to obtain a dispersion liquid of the binder-coated metal powder.
(2) Preparation by molding
Mixing powder: adding 40 parts of polytetrafluoroethylene micro powder and 7 parts of spherical graphite serving as a flow dispersing agent into the dispersion liquid obtained by coating the metal powder with the binder, and stirring for 4 hours to obtain slurry;
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.
The prepared sample is characterized by adopting a powder free-flowing property tester, the measured angle of repose is 25 degrees, and the requirement of the production on the free-flowing property is met.
Example 2
A preparation method of a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant comprises the following specific steps:
surface modification: adding 1 part of silane coupling agent KH550 into ethyl acetate, stirring for 0.5h, dispersing 10 parts of spherical magnesium powder and 20 parts of spherical aluminum powder into a solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the particle size of the spherical metal is 10 μm;
coating: adding 2 parts of adhesive fluororubber 2311 into ethyl acetate, stirring until the fluororubber is completely dissolved, dispersing the modified metal powder into the solution, and stirring for 2 hours to obtain an adhesive-coated metal powder dispersion liquid.
(2) Preparation by molding
Mixing powder: adding 57 parts of polytetrafluoroethylene micro powder and 10 parts of spherical glass beads serving as a dispersing agent into the dispersion liquid obtained by coating the metal powder with the binder, and stirring for 4 hours to obtain slurry;
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.
The prepared sample is characterized by adopting a powder free-flowing property tester, the measured angle of repose is 17 degrees, and the requirement of the free-flowing property required by production is met.
Example 3
A preparation method of a high-fluidity fluoropolymer-based safe and environment-friendly firework propellant comprises the following specific steps:
surface modification: adding 1 part of silane coupling agent KH550 into ethyl acetate, stirring for 0.5h, dispersing 20 parts of spherical magnesium powder and 10 parts of spherical aluminum powder into a solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder; wherein the particle size of the spherical metal is 10 μm;
coating: adding 2 parts of adhesive fluororubber 2311 into ethyl acetate, stirring until the fluororubber is completely dissolved, dispersing the modified metal powder into the solution, and stirring for 2 hours to obtain an adhesive-coated metal powder dispersion liquid.
(2) Preparation by molding
Mixing powder: adding 52 parts of polytetrafluoroethylene micro powder and 15 parts of spherical glass beads serving as a dispersing agent into the dispersion liquid obtained by coating the metal powder with the binder, and stirring for 4 hours to obtain slurry;
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.
The prepared sample is characterized by adopting a powder free-flowing property tester, the measured angle of repose is 17 degrees, and the requirement of the free-flowing property required by production is met.
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 (5)
1. A high-fluidity fluoropolymer-based safe and environment-friendly firework propellant is characterized in that: the firework powder is composed of a fluoropolymer-based safe and environment-friendly firework powder base formula and a dispersing agent; through increasing the flowing agent, when improving the processability of medicament granulation, further promote the security performance and the reliability of medicament, slow down the brisance of reaction system, can also reduce the noise pollution to the environment after the propellant powder reaction.
2. The high-fluidity fluoropolymer-based safe and environment-friendly firework propellant as claimed in claim 1, wherein: the fluoropolymer-based safe and environment-friendly firework propellant comprises the following basic formula: 30-75 parts of high-molecular fluorine polymer with the particle size of 50-400 mu m; 25-70 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.
3. The high-fluidity fluoropolymer-based safe and environment-friendly firework propellant as claimed in claims 1 and 2, wherein: the high molecular fluorine polymer is perfluoropolyether, polyfluoroolefin and polyfluoroalkane.
4. The high-fluidity fluoropolymer-based safe and environment-friendly firework propellant as claimed in claims 1 and 2, wherein: the active metal powder is spherical aluminum powder or spherical magnesium powder.
5. The high-fluidity fluoropolymer-based safe and environment-friendly firework propellant as claimed in claims 1 and 2, wherein: the flow agent is spherical graphite or glass beads.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
| CN2021101792120 | 2021-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113956117A true CN113956117A (en) | 2022-01-21 |
Family
ID=76123109
Family Applications (27)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN202110860603.9A Pending CN113582786A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-fluidity fluoropolymer-based safe and environment-friendly firework propellant |
| CN202110854820.7A Pending CN113956117A (en) | 2021-02-09 | 2021-07-28 | High-fluidity fluoropolymer-based safe and environment-friendly firework propellant |
| CN202211418452.2A Pending CN115784820A (en) | 2021-02-09 | 2021-07-28 | Low-cost combustion improver-based safe and environment-friendly firework propellant and preparation method thereof |
| CN202110877871.1A Pending CN113651660A (en) | 2021-02-09 | 2021-07-28 | Preparation method of deoxidation type safe and environment-friendly firework propellant |
| 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 |
| 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 |
| CN202211423398.0A Pending CN115716770A (en) | 2021-02-09 | 2021-07-28 | High-detonation-volume type range-extending safe and environment-friendly firework propellant |
| 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 |
| CN202211418438.2A Pending CN115650810A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant and preparation method thereof |
| CN202110854852.7A Pending CN113956119A (en) | 2021-02-09 | 2021-07-28 | High-detonation-heat-type range-extending safe and environment-friendly firework propellant |
| CN202110867669.0A Pending CN113880677A (en) | 2021-02-09 | 2021-07-28 | Low-burning-rate 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 |
| 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 |
| CN202110854846.1A Pending CN113698263A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-cost combustion improver for safe and environment-friendly fireworks |
| CN202110860609.6A Pending CN113582788A (en) | 2021-02-09 | 2021-07-28 | Preparation method of dust-reducing safe and environment-friendly firework propellant |
| CN202110854819.4A Pending CN113698260A (en) | 2021-02-09 | 2021-07-28 | Low-cost combustion improver-based safe and environment-friendly firework propellant |
| CN202110867642.1A Pending CN113979818A (en) | 2021-02-09 | 2021-07-28 | Deoxidation type safe environment-friendly firework propellant |
| CN202110854853.1A Pending CN113698265A (en) | 2021-02-09 | 2021-07-28 | Adhesive based on self-sustaining reaction 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 |
| CN202110854854.6A Pending CN113912467A (en) | 2021-02-09 | 2021-07-28 | Low-cost safe and environment-friendly firework propellant based on self-sustaining reaction |
| 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 |
| CN202110854829.8A Pending CN113956118A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-burning-speed safe and environment-friendly firework propellant |
| CN202110854851.2A Pending CN113698264A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe 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 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN202110860603.9A Pending CN113582786A (en) | 2021-02-09 | 2021-07-28 | Preparation method of high-fluidity fluoropolymer-based safe and environment-friendly firework propellant |
Family Applications After (24)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211418452.2A Pending CN115784820A (en) | 2021-02-09 | 2021-07-28 | Low-cost combustion improver-based safe and environment-friendly firework propellant and preparation method thereof |
| CN202110877871.1A Pending CN113651660A (en) | 2021-02-09 | 2021-07-28 | Preparation method of deoxidation type safe and environment-friendly firework propellant |
| 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 |
| 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 |
| CN202211423398.0A Pending CN115716770A (en) | 2021-02-09 | 2021-07-28 | High-detonation-volume type range-extending safe and environment-friendly firework propellant |
| 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 |
| CN202211418438.2A Pending CN115650810A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe environment-friendly firework propellant and preparation method thereof |
| CN202110854852.7A Pending CN113956119A (en) | 2021-02-09 | 2021-07-28 | High-detonation-heat-type range-extending safe and environment-friendly firework propellant |
| CN202110867669.0A Pending CN113880677A (en) | 2021-02-09 | 2021-07-28 | Low-burning-rate 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 |
| 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 |
| CN202110854846.1A Pending CN113698263A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-cost combustion improver for safe and environment-friendly fireworks |
| CN202110860609.6A Pending CN113582788A (en) | 2021-02-09 | 2021-07-28 | Preparation method of dust-reducing safe and environment-friendly firework propellant |
| CN202110854819.4A Pending CN113698260A (en) | 2021-02-09 | 2021-07-28 | Low-cost combustion improver-based safe and environment-friendly firework propellant |
| CN202110867642.1A Pending CN113979818A (en) | 2021-02-09 | 2021-07-28 | Deoxidation type safe environment-friendly firework propellant |
| CN202110854853.1A Pending CN113698265A (en) | 2021-02-09 | 2021-07-28 | Adhesive based on self-sustaining reaction 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 |
| CN202110854854.6A Pending CN113912467A (en) | 2021-02-09 | 2021-07-28 | Low-cost safe and environment-friendly firework propellant based on self-sustaining reaction |
| 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 |
| CN202110854829.8A Pending CN113956118A (en) | 2021-02-09 | 2021-07-28 | Preparation method of low-burning-speed safe and environment-friendly firework propellant |
| CN202110854851.2A Pending CN113698264A (en) | 2021-02-09 | 2021-07-28 | Dust-reducing safe 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (27) | CN112898105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113480389A (en) * | 2021-07-09 | 2021-10-08 | 北京理工大学 | Preparation method of high-explosive-capacity synergistic energetic micro-projectile |
| CN113563144A (en) * | 2021-07-09 | 2021-10-29 | 北京理工大学 | High-explosive-heat type synergistic energetic micro-projectile |
| CN113548933A (en) * | 2021-07-09 | 2021-10-26 | 北京理工大学 | Energetic micro-pill with warm-pressing effect |
| CN113548934A (en) * | 2021-07-09 | 2021-10-26 | 北京理工大学 | Preparation method of reaction catalysis type high-detonation-volume energy-containing micro-projectile |
| CN113527019A (en) * | 2021-07-09 | 2021-10-22 | 北京理工大学 | Preparation method of secondary reaction type damage enhanced energetic micro-projectile |
| CN113582796A (en) * | 2021-07-09 | 2021-11-02 | 北京理工大学 | Preparation method of high-detonation-heat-type synergistic energetic micro-projectile |
| CN113416113A (en) * | 2021-07-09 | 2021-09-21 | 北京理工大学 | Preparation method of energetic micro-pill with warm-pressing effect |
| CN113372183A (en) * | 2021-07-09 | 2021-09-10 | 北京理工大学 | Reaction catalysis type high-detonation-volume energy-containing micro-projectile |
| CN113480391A (en) * | 2021-07-20 | 2021-10-08 | 北京理工大学 | Low-cost environment-friendly explosive containing alloy reducing agent and preparation method thereof |
| CN113461467A (en) * | 2021-07-20 | 2021-10-01 | 北京理工大学 | Safe and environment-friendly explosive with low mechanical sensitivity and preparation method thereof |
| CN113480390A (en) * | 2021-07-20 | 2021-10-08 | 北京理工大学 | Fluoropolymer type safe and environment-friendly explosive and preparation method thereof |
| CN113402348A (en) * | 2021-07-20 | 2021-09-17 | 北京理工大学 | Safe and environment-friendly explosive containing permanganate type explosion promoter and preparation method thereof |
| CN113582795A (en) * | 2021-07-21 | 2021-11-02 | 北京理工大学 | Self-sustaining reaction-based safe and environment-friendly firework bursting charge and preparation method thereof |
| CN113461466A (en) * | 2021-07-21 | 2021-10-01 | 北京理工大学 | Fluoropolymer-based micro-smoke safe and environment-friendly firework blasting powder and preparation method thereof |
| CN115583861A (en) * | 2021-07-21 | 2023-01-10 | 北京理工大学 | Preparation method of metal-based enhanced safe and environment-friendly firework blasting powder |
| CN115784818A (en) * | 2021-08-20 | 2023-03-14 | 北京理工大学 | Preparation method of high-molecular fluorine-rich oxidant-based aluminothermic high-explosive-heat industrial explosive |
| CN113582790A (en) * | 2021-08-20 | 2021-11-02 | 北京理工大学 | Fluorine-rich oxidant-based industrial explosive and preparation method thereof |
| CN113666794A (en) * | 2021-08-20 | 2021-11-19 | 北京理工大学 | High-molecular fluorine-rich oxidant-based non-gold high-explosive-heat industrial explosive and preparation method thereof |
| CN113582791A (en) * | 2021-08-20 | 2021-11-02 | 北京理工大学 | Sensitized fluorine-rich oxidant-based industrial explosive and preparation method thereof |
| CN113582792A (en) * | 2021-08-20 | 2021-11-02 | 北京理工大学 | Foaming type fluorine-rich oxidant-based industrial explosive 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 |
| CN115819164A (en) * | 2022-12-12 | 2023-03-21 | 泸州北方化学工业有限公司 | High-energy micro-smoke type firework propellant and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050228075A1 (en) * | 2004-04-07 | 2005-10-13 | Costas Gogos | Ordered particle structures and methods of making same |
| 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 |
| 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 |
| 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 |
Family Cites Families (73)
| 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 |
| GB2187726B (en) * | 1986-03-14 | 1989-11-15 | Ici 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 |
| US5482579A (en) * | 1993-04-15 | 1996-01-09 | Nof Corporation | 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 |
| US5759458A (en) * | 1996-07-26 | 1998-06-02 | Thiokol Corporation | Process for the manufacture of high performance gun propellants |
| 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 |
| 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 |
| CN103506621B (en) * | 2013-10-11 | 2016-04-20 | 南京理工大学 | A kind of preparation method of fluorubber clad nano aluminium powder compound particle |
| 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 |
| CN105016933A (en) * | 2015-07-15 | 2015-11-04 | 江西省东安新材料有限公司 | Sulfur-free propellant powder |
| 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 |
| 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 |
| RU2710190C1 (en) * | 2019-08-29 | 2019-12-24 | Акционерное общество "Федеральный научно-производственный центр "Научно-исследовательский институт прикладной химии" | Pyrotechnical composition of yellow fire |
| 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 |
| 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 |
-
2021
- 2021-02-09 CN CN202110179212.0A patent/CN112898105A/en not_active Withdrawn
- 2021-07-28 CN CN202110860603.9A patent/CN113582786A/en active Pending
- 2021-07-28 CN CN202110854820.7A patent/CN113956117A/en active Pending
- 2021-07-28 CN CN202211418452.2A patent/CN115784820A/en active Pending
- 2021-07-28 CN CN202110877871.1A patent/CN113651660A/en active Pending
- 2021-07-28 CN CN202211382850.3A patent/CN115819162A/en active Pending
- 2021-07-28 CN CN202110867654.4A patent/CN113735667A/en active Pending
- 2021-07-28 CN CN202211423398.0A patent/CN115716770A/en active Pending
- 2021-07-28 CN CN202110854840.4A patent/CN113698262A/en active Pending
- 2021-07-28 CN CN202211418438.2A patent/CN115650810A/en active Pending
- 2021-07-28 CN CN202110854852.7A patent/CN113956119A/en active Pending
- 2021-07-28 CN CN202110867669.0A patent/CN113880677A/en active Pending
- 2021-07-28 CN CN202110860606.2A patent/CN113582787A/en active Pending
- 2021-07-28 CN CN202110860607.7A patent/CN113880676A/en active Pending
- 2021-07-28 CN CN202110867670.3A patent/CN113880678A/en active Pending
- 2021-07-28 CN CN202110854846.1A patent/CN113698263A/en active Pending
- 2021-07-28 CN CN202110860609.6A patent/CN113582788A/en active Pending
- 2021-07-28 CN CN202110854819.4A patent/CN113698260A/en active Pending
- 2021-07-28 CN CN202110867642.1A patent/CN113979818A/en active Pending
- 2021-07-28 CN CN202110854853.1A patent/CN113698265A/en active Pending
- 2021-07-28 CN CN202110860694.6A patent/CN113582789A/en active Pending
- 2021-07-28 CN CN202110854854.6A patent/CN113912467A/en active Pending
- 2021-07-28 CN CN202211423369.4A patent/CN115819163A/en active Pending
- 2021-07-28 CN CN202110854829.8A patent/CN113956118A/en active Pending
- 2021-07-28 CN CN202110854851.2A patent/CN113698264A/en active Pending
- 2021-07-28 CN CN202110854847.6A patent/CN113880675A/en active Pending
- 2021-07-28 CN CN202110854831.5A patent/CN113698261A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050228075A1 (en) * | 2004-04-07 | 2005-10-13 | Costas Gogos | Ordered particle structures and methods of making same |
| 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 |
| 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 |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 尹建平: "《弹药学》", 31 December 2017, 北京理工大学出版社 * |
| 沈志刚: "《粉煤灰空心微珠及其应用》", 31 October 2008, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113698263A (en) | 2021-11-26 |
| CN115716770A (en) | 2023-02-28 |
| CN113956118A (en) | 2022-01-21 |
| CN113698261A (en) | 2021-11-26 |
| CN113582787A (en) | 2021-11-02 |
| CN115650810A (en) | 2023-01-31 |
| CN113956119A (en) | 2022-01-21 |
| CN113582789A (en) | 2021-11-02 |
| CN113698260A (en) | 2021-11-26 |
| CN113735667A (en) | 2021-12-03 |
| CN113912467A (en) | 2022-01-11 |
| CN113582786A (en) | 2021-11-02 |
| CN113582788A (en) | 2021-11-02 |
| CN113880677A (en) | 2022-01-04 |
| CN115819163A (en) | 2023-03-21 |
| CN113698265A (en) | 2021-11-26 |
| CN113651660A (en) | 2021-11-16 |
| CN115784820A (en) | 2023-03-14 |
| CN112898105A (en) | 2021-06-04 |
| CN113979818A (en) | 2022-01-28 |
| CN113698262A (en) | 2021-11-26 |
| CN113880676A (en) | 2022-01-04 |
| CN113880675A (en) | 2022-01-04 |
| CN113880678A (en) | 2022-01-04 |
| CN115819162A (en) | 2023-03-21 |
| CN113698264A (en) | 2021-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113956117A (en) | High-fluidity fluoropolymer-based safe and environment-friendly firework propellant | |
| CN112225839B (en) | Method for synthesizing ultra-high molecular weight polymethyl methacrylate | |
| CN109135144B (en) | Graphene/acrylic resin composite film and preparation method thereof | |
| CN110922853A (en) | Heavy-duty anticorrosive polymer composite material with high Tg and preparation method thereof | |
| CN109627656A (en) | A kind of transparent permanent anti-static PMMA material and its preparation method and application | |
| CN113087501A (en) | High-strength quartz ceramic roller and preparation process thereof | |
| CN115490863B (en) | High-temperature-resistant organic silicon elastomer and preparation method thereof | |
| CN113980195B (en) | High-temperature-resistant light-cured resin material and preparation method and application thereof | |
| CN113582796A (en) | Preparation method of high-detonation-heat-type synergistic energetic micro-projectile | |
| CN113480389A (en) | Preparation method of high-explosive-capacity synergistic energetic micro-projectile | |
| CN113563144A (en) | High-explosive-heat type synergistic energetic micro-projectile | |
| CN109504222B (en) | Adding nano SiO2Water-based acrylic coating of hollow microspheres | |
| CN113582792A (en) | Foaming type fluorine-rich oxidant-based industrial explosive and preparation method thereof | |
| CN113480387A (en) | High-molecular fluorine-rich oxidant-based low-cost industrial explosive and preparation method thereof | |
| CN113563145A (en) | High-explosive-capacity synergistic energetic micro-projectile | |
| CN113416113A (en) | Preparation method of energetic micro-pill with warm-pressing effect | |
| CN117126490A (en) | Talcum powder modified plastic and preparation method thereof | |
| CN112480535A (en) | Boron nitride micro-crosslinked polypropylene and preparation method and application thereof | |
| CN111793347A (en) | Graphene composite material for solar street lamp cap shell and preparation method thereof | |
| CN118146639A (en) | High-temperature vulcanized silicone rubber and preparation method and application thereof | |
| CN106893047A (en) | The method that solid polycarboxylic acid water reducing agent is prepared using organic oxidation reduction system | |
| CN112852090A (en) | Low-friction polystyrene composite material and preparation method thereof | |
| CN113582791A (en) | Sensitized fluorine-rich oxidant-based industrial explosive and preparation method thereof | |
| CN113548933A (en) | Energetic micro-pill with warm-pressing effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220121 |