CN115650810A - Dust-reducing safe environment-friendly firework propellant and preparation method thereof - Google Patents

Dust-reducing safe environment-friendly firework propellant and preparation method thereof Download PDF

Info

Publication number
CN115650810A
CN115650810A CN202211418438.2A CN202211418438A CN115650810A CN 115650810 A CN115650810 A CN 115650810A CN 202211418438 A CN202211418438 A CN 202211418438A CN 115650810 A CN115650810 A CN 115650810A
Authority
CN
China
Prior art keywords
dust
parts
environment
reducing
propellant
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
Application number
CN202211418438.2A
Other languages
Chinese (zh)
Inventor
束庆海
吴启才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Shidong Energy Technology Co ltd
Suzhou Guoshiyu New Material Technology Co ltd
Beijing Institute of Technology BIT
Original Assignee
Anhui Shidong Energy Technology Co ltd
Suzhou Guoshiyu New Material Technology Co ltd
Beijing Institute of Technology BIT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Shidong Energy Technology Co ltd, Suzhou Guoshiyu New Material Technology Co ltd, Beijing Institute of Technology BIT filed Critical Anhui Shidong Energy Technology Co ltd
Priority to CN202211418438.2A priority Critical patent/CN115650810A/en
Publication of CN115650810A publication Critical patent/CN115650810A/en
Pending legal-status Critical Current

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 provides a dust-reducing safe and environment-friendly firework propellant and a preparation method thereof, belonging to the technical field of fireworks and crackers. The invention is composed of a fluoropolymer-based safe and environment-friendly firework basic formula and a dust reducing agent, and reduces the dust emission of fireworks by adjusting the type and particle size of the dust reducing agent. The basic formula of the fluoropolymer-based safe and environment-friendly firework is composed of 30-75 parts of high-molecular fluoropolymer and 50-400 mu m of particle size; 25-70 parts of active metal powder with the particle size of 10-75 mu m; 0.5-3 parts of a silane coupling agent; 0.5-5 parts of binder. The dust reducing agent is a non-metal oxide or an inorganic salt. The obtained product has the advantages of no sulfur, no nitrogen, little smoke, high temperature resistance, high safety and the like, is favorable for reducing the dust emission of the firework setting off and reducing the dust pollution to the environment, and is an environment-friendly firework and firecracker propellant.

Description

Dust-reducing safe environment-friendly firework propellant and preparation method thereof
The application is a divisional application of a patent application named as 'dust-reducing safe and environment-friendly firework propellant', the application date of the original application is 07-28 months in 2021, and the application number is 202110854851.2.
Technical Field
The invention relates to the technical field of fireworks and crackers, in particular to a dust-reducing safe and environment-friendly firework propellant and a preparation method thereof.
Background
Black powder is one of the important raw materials in the production of fireworks and crackers. Due to the huge hidden danger of the black powder in the aspects of environmental protection, safety and the like, the research and development of the novel firework explosive 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 high molecular fluorine polymer based composite material has excellent comprehensive performance, especially safety performance and environment protection performance. 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. The by-products of the reaction can also form a large amount of carbon powder, although the absolute parts of the carbon powder particles are remained in the launching tube, a small part of the carbon powder particles can be brought to low altitude along with the heat flow generated by the reaction, on one hand, the visual effect of firework setting off is influenced, and on the other hand, particle emission to a certain degree is caused. Aiming at the problems, the development of the safe and environment-friendly firework launcher with the carbon reduction design is of great significance.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the dust-reducing safe and environment-friendly firework propellant and the preparation method thereof, the dust-reducing safe and environment-friendly firework propellant has the advantages of safety and environment friendliness of fluoropolymer-based safe and environment-friendly fireworks, can reduce carbon emission generated by reaction through a dust reducer, has wide material source, controllable cost and simple preparation process, and is suitable for batch industrial production.
In order to achieve the purpose, the invention provides the following scheme:
a kind of dust-reducing safe and environment-friendly firework propellant is composed of a fluoropolymer-based safe and environment-friendly firework basic formula and a dust reducing agent, wherein the fluoropolymer-based safe and environment-friendly firework basic formula is composed of a fluoropolymer and active metal powder, 30-75 parts of high-molecular fluoropolymer with a particle size of 50-400 μm; 25-70 parts of active metal powder with the particle size of 10-75 mu m; 0.5-3 parts of a silane coupling agent; 0.5-5 parts of a binder; the dust reducer is a non-metal oxide or an inorganic salt; the dust reducing agent is B 2 O 3 、SiO 2 、CaSiO 3 、CaCO 3 Starch, na 2 CO 3 、NaHCO 3 Any one or a combination thereof.
Preferably, the method comprises the following steps:
s1: modifying and coating; the modified coating comprises:
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 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;
coating: adding 2 parts of polyurethane elastomer 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;
s2: molding preparation; the molding preparation comprises the following steps:
mixing powder: adding polyvinylidene fluoride and 7 parts of dust reducer into the dispersion liquid obtained by coating the metal powder on the polyurethane elastomer, and stirring for 4 hours to obtain slurry; wherein the particle size of the polyvinylidene fluoride powder is 160 mu m;
and (3) granulation: 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 a final product;
DSC thermal analysis test is adopted to measure the percentage reduction of the solid residue content of the sample after the high-temperature reaction of the prepared 2mg propellant powder sample.
Preferably, the molecular weight of the polyurethane elastomer is 1000 to 3000.
Preferably, the polyvinylidene fluoride accounts for 50-60 parts.
Preferably, after the granulating, the method further comprises:
according to the test method of mechanical sensitivity, the impact sensitivity and the friction sensitivity of the prepared firework propellant are measured by adopting a 10Kg drop hammer with a drop height of 25 cm.
A emission reduction method of the dust-reduction safe and environment-friendly firework propellant comprises the following steps:
the dust emission of the fireworks is reduced by adjusting the types and the particle sizes of the dust reducing agent.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
1. the invention discloses a dust-reducing safe and environment-friendly firework propellant and a preparation method thereof, which consists of a fluoropolymer-based safe and environment-friendly firework basic formula and a dust reducing agent, wherein conventional metal powder, high-molecular fluoropolymer, a binder and a burning speed regulator are adopted 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.
2. The invention discloses a dust-reducing safe and environment-friendly firework propellant and a preparation method thereof, which reduce the dust emission of fireworks by adjusting the type and particle size of a dust reducing agent. The obtained product has the advantages of no sulfur, no nitrogen, little smoke, high temperature resistance, high safety and the like, is favorable for reducing the dust emission of the firework setting off and reducing the dust pollution to the environment, and is an environment-friendly firework and firecracker propellant.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application are used for distinguishing between different objects and not necessarily for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, the inclusion of a list of steps, processes, methods, etc. is not limited to only those steps recited, but may alternatively include additional steps not recited, or may alternatively include additional steps inherent to such processes, methods, articles, or devices.
The present invention will be described in further detail with reference to specific embodiments in order to make the above objects, features and advantages more apparent and understandable.
Example 1:
a preparation method of a dust-reducing safe environment-friendly firework propellant comprises the following specific steps:
(1) Modified coating
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 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;
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: 60 parts of polyvinylidene fluoride and 7 parts of dust reducer SiO 2 Adding the mixture into the dispersion liquid obtained by coating the metal powder on the polyurethane elastomer, and stirring for 4 hours 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.
DSC thermal analysis test is adopted to determine that after the prepared 2mg propellant powder sample is subjected to high-temperature reaction, the solid residue amount of the sample is reduced to 0.11g from 0.23g without adding the dust reducer, and is reduced by 52 percent.
Example 2
A preparation method of a dust-reducing safe environment-friendly firework propellant comprises the following specific steps:
(1) Modified coating
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 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;
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: 50 parts of polyvinylidene fluoride and 7 parts of dust reducing agent CaSiO 3 Adding the mixture into the dispersion liquid obtained by coating the metal powder on the polyurethane elastomer, and stirring for 4 hours 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.
DSC thermal analysis test is adopted to determine that after the prepared 2mg propellant powder sample is subjected to high-temperature reaction, the solid residue amount of the sample is reduced to 0.18g from 0.23g without adding the dust reducer, and is reduced by 22 percent.
Example 3
A preparation method of a dust-reducing safe environment-friendly firework propellant comprises the following specific steps:
(1) Modified coating
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 10 parts of spherical aluminum powder into the solution under the protection of inert atmosphere, soaking for 6h, filtering and drying to obtain modified metal powder;
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: 50 parts of polyvinylidene fluoride and 7 parts of dust reducer CaCO 3 Adding the mixture into the dispersion liquid obtained by coating the metal powder on the polyurethane elastomer, and stirring for 4 hours 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.
DSC thermal analysis test is adopted to determine that after the prepared 2mg propellant powder sample is subjected to high-temperature reaction, the solid residue amount of the sample is reduced to 0.14g from 0.23g without adding the dust reducer, and is reduced by 39%.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the embodiment of the present invention are explained by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (6)

1. The utility model provides a dust reduction safety ring protects fireworks propellant which characterized in that: the fluoropolymer-based safe and environment-friendly firework basic formula consists of 30-75 parts of high-molecular fluoropolymer and 50-400 mu m of particle size, and the dust reducing agent consists of the fluoropolymer and active metal powder; 25-70 parts of active metal powder with the particle size of 10-75 mu m; 0.5-3 parts of a silane coupling agent; 0.5-5 parts of a binder; the dust reducing agent is a non-metal oxide or an inorganic salt; the dust reducing agent is B 2 O 3 、SiO 2 、CaSiO 3 、CaCO 3 Starch, na 2 CO 3 、NaHCO 3 Any one or a combination thereof.
2. A method for preparing a dust-reducing safe and environment-friendly firework propellant as claimed in claim 1, which comprises the following steps:
s1: modifying and coating; the modified coating comprises:
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 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;
coating: adding 2 parts of polyurethane elastomer 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;
s2: molding preparation; the molding preparation comprises the following steps:
mixing powder: adding polyvinylidene fluoride and 7 parts of dust reducer into the dispersion liquid obtained by coating the metal powder on the polyurethane elastomer, and stirring for 4 hours to obtain slurry; wherein the particle size of the polyvinylidene fluoride powder is 160 mu m;
and (3) granulation: 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 a final product;
DSC thermal analysis test is adopted to measure the percentage reduction of the solid residue content of the sample after the high-temperature reaction of the prepared 2mg propellant powder sample.
3. The method for preparing the dust-reducing safe and environment-friendly firework propellant as claimed in claim 2, wherein the molecular weight of the polyurethane elastomer is 1000-3000.
4. The preparation method of the dust-reducing safe and environment-friendly firework propellant as claimed in claim 2, wherein the polyvinylidene fluoride is used in an amount of 50 to 60 parts.
5. The method for preparing the dust-reduced safe and environment-friendly firework propellant as claimed in claim 2, wherein after the granulation, the method further comprises the following steps:
according to the test method of mechanical sensitivity, the impact sensitivity and the friction sensitivity of the prepared firework propellant are measured by adopting a 10Kg drop hammer with a drop height of 25 cm.
6. A method for reducing emission of dust-reducing safe and environment-friendly firework propellant as claimed in claim 1, comprising:
the dust emission of the fireworks is reduced by adjusting the types and particle sizes of the dust reducing agents.
CN202211418438.2A 2021-02-09 2021-07-28 Dust-reducing safe environment-friendly firework propellant and preparation method thereof Pending CN115650810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211418438.2A CN115650810A (en) 2021-02-09 2021-07-28 Dust-reducing safe environment-friendly firework propellant and preparation method thereof

Applications Claiming Priority (3)

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
CN202110854851.2A CN113698264A (en) 2021-02-09 2021-07-28 Dust-reducing safe environment-friendly firework propellant
CN202211418438.2A CN115650810A (en) 2021-02-09 2021-07-28 Dust-reducing safe environment-friendly firework propellant and preparation method thereof

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202110854851.2A Division CN113698264A (en) 2021-02-09 2021-07-28 Dust-reducing safe environment-friendly firework propellant

Publications (1)

Publication Number Publication Date
CN115650810A true CN115650810A (en) 2023-01-31

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 (9)

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

Family Applications After (17)

Application Number Title Priority Date Filing Date
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)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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
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
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 (1)

* Cited by examiner, † Cited by third party
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

Family Cites Families (76)

* Cited by examiner, † Cited by third party
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
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
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
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
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
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN113956117A (en) 2022-01-21
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
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
CN115650810A (en) Dust-reducing safe environment-friendly firework propellant and preparation method thereof
CN110981657A (en) Antistatic smokeless sulfur-free firecracker nitrate medicament and preparation method thereof
CN110937966A (en) Multifunctional smokeless and sulfur-free firecracker propellant and preparation method thereof
CN111004074B (en) Smokeless and sulfur-free firecracker nitrate medicament and preparation method thereof
CN115838313A (en) Preparation method of safe and environment-friendly explosive containing permanganate type explosion promoter
CN113461467A (en) Safe and environment-friendly explosive with low mechanical sensitivity and preparation method thereof
CN115583861A (en) Preparation method of metal-based enhanced safe and environment-friendly firework blasting powder
CN113480390A (en) Fluoropolymer type safe and environment-friendly explosive and preparation method thereof
CN113563142A (en) High-molecular fluorine-rich oxidant-based aluminothermic high-explosive-heat industrial explosive and preparation method thereof
CN113354493A (en) Pyrotechnic propellant and preparation method thereof
CN113461466A (en) Fluoropolymer-based micro-smoke safe and environment-friendly firework blasting powder and preparation method thereof
CN113480387A (en) High-molecular fluorine-rich oxidant-based low-cost industrial explosive and preparation method thereof
CN113582795A (en) Self-sustaining reaction-based safe and environment-friendly firework bursting charge and preparation method thereof
CN113582792A (en) Foaming type fluorine-rich oxidant-based industrial explosive and preparation method thereof
CN113480389A (en) Preparation method of high-explosive-capacity synergistic energetic micro-projectile
CN113582790A (en) Fluorine-rich oxidant-based industrial explosive and preparation method thereof
CN113480386A (en) High-molecular fluorine-rich oxidant-based high-detonation-velocity industrial explosive and preparation method thereof
CN113372183A (en) Reaction catalysis type high-detonation-volume energy-containing micro-projectile
CN113527019A (en) Preparation method of secondary reaction type damage enhanced energetic micro-projectile
CN113416113A (en) Preparation method of energetic micro-pill with warm-pressing effect
CN113563145A (en) High-explosive-capacity synergistic energetic micro-projectile

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