CN1376657A - Fireworks-firecrackers assembly and its preparing process - Google Patents
Fireworks-firecrackers assembly and its preparing process Download PDFInfo
- Publication number
- CN1376657A CN1376657A CN 02115155 CN02115155A CN1376657A CN 1376657 A CN1376657 A CN 1376657A CN 02115155 CN02115155 CN 02115155 CN 02115155 A CN02115155 A CN 02115155A CN 1376657 A CN1376657 A CN 1376657A
- Authority
- CN
- China
- Prior art keywords
- sulfide
- weight
- metallic
- composition
- coupling agent
- 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
Landscapes
- Developing Agents For Electrophotography (AREA)
Abstract
A composition for fireworks or firecrackers is prepared from potassium chlorate (100 wt portions), pearlite (0.1-6), powdered aluminium (1-3) and metallic sulfide (2-15) chosen from barium sulfide, copper sulfide, silver sulfide, strontium sulfide, antimony sulfide, zine sulfide, etc through treating the surface of metallic sulfide particles by silane as coupling agent and light calcium carbonate, mixing them together, and further treating at 80-90 deg.C for at least 20 mins. Its advantages are low mechanical and friction sensitivity, and high safety.
Description
Technical field the present invention relates to a kind of fireworks composition and manufacture method thereof, more particularly, relates to and a kind ofly replaces combustible agent sulphur with metallic sulfide, thereby improve the fireworks composition and the manufacture method thereof of fireworks production safety performance.
Background technology in the prior art, the fireworks industry is rung quick-fried class fireworks (comprising blast, display shell) and is used Potcrate to make oxygenant, sulphur is made combustible agent, this class medicament very easily causes spontaneous burning and blast under the bump of mechanical effect, friction, casualty accident is of common occurrence, the reason of the high risk of Potcrate, sulphur confection is: 1, the fusing point of Potcrate is 356 ℃, and the fusing point of sulphur is 119 ℃, and the two very easily reacts; 2, the Tammann temperature of Potcrate is 42 ℃, and promptly its 42 ℃ just can be decomposed heat release, causes the medicine blast; 3, the easy oxidized surface of sulphur produces sulfuric acid, Potcrate is met acid and is produced chloric acid and dioxide peroxide, and they are higher than Potcrate activity, can make Potcrate, sulphur mixture system become extremely unsettled system, be subjected to extraneous bump or friction promptly to produce focus slightly, can excite burning or blast.Potcrate, sulphur prescription in the present firework medicament that uses, impact sensitivity is 100%, friction sensitivity is 100%, belongs to the high risk gunpowder.Existing Potcrate, sulphur prescription, because the fusing point of Potcrate is 356 ℃, the temperature of combustion low spot is meltable, and the medicament of chloracid potassium has brighter flame than other medicament, and in sound firecracker, can obtain the louder sound, be easy to burning and be difficult for " misfire ", therefore, though the mixing pyrotechnics composition that with Potcrate is oxygenant has good inflammableness, combustibility, helps advantages such as look and economic and practical, but the danger and the sensitivity height of its height are fatal weakness, thereby must improve.
Summary of the invention the object of the present invention is to provide a kind of mechanical sensitivity and friction sensitivity is low, safety performance is high fireworks composition and manufacture method thereof.
In order to achieve the above object, the invention provides following technical scheme: develop a kind of fireworks composition, contain Potcrate, perlite and aluminium powder, be solid-state micro mist mixture, the composition of described composition and parts by weight are: 100 parts in Potcrate, metallic sulfide 2-15 part, perlite 0.1-6 part, aluminium powder 1-3 part, described metallic sulfide is a barium sulphide, cupric sulfide, silver sulfide, strontium sulfide, antimony sulfide, zinc sulphide, Cadmium Sulfide, iron sulphide, sodium sulphite, sulfurated lime, any one of tungsten sulfide or lead sulfide, the mixture of the arbitrary proportion of several or all kinds.Potcrate is oxygenant, the oxygen of explosive is provided, its decomposition reaction is thermopositive reaction, can keep enough quick-fried temperature, described metallic sulfide decomposes emits sulfurous gas, enough gaseous detonations are provided, these metallic sulfides bigger than molten heat, the material that thermal conductivity is low forms effective thermal resistance on its surface, can delay the hot-fluid time, thereby makes the thermoelectric difficulty of propagating to reach the purpose that reduces sensitivity, above-mentioned various metallic sulfides can use separately, also can mix and use,, all can play expected effect as long as in described proportional range with any composition and arbitrary proportion; Aluminium powder is a light metal, and temperature can improve quick-fried temperature to improve the brisance and the sound up to 1800-2500 ℃ during burning; Perlite powder is a weighting agent, can dilute the distribution density of explosive after the adding, reduces cost simultaneously.In specific implementation process, must add according to described ratio, if the content of metallic sulfide is low excessively, the gas volume of generation very little, explosion time shredded paper rate variance, the paper bucket is fried not broken, if its consumption is too high, then gas volume is too much, because sulfide is too much, caloric receptivity is big, Direct Loss and reduce quick-fried temperature, firecracker may explode not open and sound low; The aluminium powder add-on is too much, though can improve quick-fried temperature, cost is improved; The firecracker sound improved perlite if add at most, but paper breaking rate obviously descends; Therefore, should add, could guarantee the quality of product like this in aforesaid composition and ratio.
The manufacture method of fireworks composition of the present invention is: process comprises pulverizing, dry, mix and packing, when the metallic sulfide surface treatment, be dried to weight in wet base 0.05%-0.2%, be crushed to granularity 120-200 order, the granularity of the silane coupling agent of the 1%-3% of adding metallic sulfide weight and the 2%-4% of metallic sulfide weight is the light calcium carbonate of 2-5 micron, mix under the temperature that is incorporated in 80-90 ℃ in kneader and handled at least 20 minutes, described silane coupling agent is vinyl three (β methoxyethoxy) silane, γ-r-chloropropyl trimethoxyl silane, γ-mercaptopropyl trimethoxysilane, the mixture of any component arbitrary proportion of one or more of γ-Bing Jisanjiayangjiguiwan and vinyltriethoxysilane.This class material can be expressed as RsiX with general formula
3, wherein X is water-disintegrable functional group, R is an organo-functional group.The surface-treated purpose is: the activity that 1, improves metallic sulfide, silane coupling agent is the organosilane monomer that has two or more differential responses bases in a kind of molecule, it can with organic materials and inorganic materials generation chemical coupling, the water-disintegrable functional group X in the silane coupling agent can with organic radical and inorganic materials generation linked reactions such as methoxyl group, oxyethyl group, cellosolve oxyethyl group, vinyl, amino, sulfonium base; 2, light calcium carbonate prevents that mainly metallic sulfide from producing acidic impurities, with the lime carbonate neutralization, suppresses Potcrate and produces active high oxygen acid and dioxide peroxide, to reduce sensitivity, prevents the decomposition of Potcrate.
The present invention's technical scheme preferably can be: silane coupling agent is a vinyltriethoxysilane.This compound is cheap and easy to get, handles metallic sulfide with it, can increase sulfide and meet the pyrolysated activity, and sulfide is decomposed fully.
Compared with prior art, the present invention has following tangible advantage: 1, owing to adopting metallic sulfide to exempt use sulphur, its fusing point is up to more than 800 ℃, (the sulphur fusing point is 119 ℃, even the Potcrate low-temperature decomposition, sulfide can not ignite, explosive is difficult for spontaneous combustion and blast, its impact sensitivity reaches 0%, and friction sensitivity can reach 8%-14%, so it is safe; 2, use noisemaking rate, sound level, paper breaking rate and the coloured light of the fireworks of metallic sulfide production all can reach state specified standards, thus practical.
Embodiment is following carries out more detailed description by specific embodiment to the present invention:
Embodiment 1
Get each 1 part of barium sulphide and cupric sulfide weight, in kneader, be dried to weight in wet base below 0.2%, be crushed to granularity 150 orders, add 0.04 part of silane coupling agent vinyl triethoxyl silane (two metallic sulfide weight 2%) and granularity and be 0.06 part of light calcium carbonate below 5 microns (two metallic sulfide weight 3%), and add 5 parts of 150 purpose perlite powder weight, in kneader, mix under the temperature that is incorporated in 80-90 ℃ and handled 30 minutes, to add the Potcrate granularity be 3 parts of 100 parts of 150 purpose weight and aluminium powder weight making the fireworks post, and thorough mixing can be made.601.1 and 601.2 method detection composition according to GJB772A-970: impact sensitivity: weigh 10 kilograms, 25 centimetres of drop height points, measured value are 1%, friction sensitivity: gauge pressure 1.25MP
a, 60 ° of pivot angles, measured value are 7%, bursting point is 345 ℃, rate of moisture absorption 0.2%.
Embodiment 2
Prescription and detected value see Table 1, processing method and detection method are with example 1, add 0.12 part of silane coupling agent vinyl triethoxyl silane (two metallic sulfide weight 1%) and granularity and be 0.24 part of light calcium carbonate below 5 microns (two metallic sulfide weight 2%), processing is 40 minutes in kneader.
Embodiment 3
Prescription and detected value see Table 1, processing method and detection method are with example 1, add 0.3 part in silane coupling agent vinyl three (β methoxyethoxy) silane (two metallic sulfide weight 3%) and granularity and be 0.2 part of light calcium carbonate below 5 microns (two metallic sulfide weight 2%), processing is 20 minutes in kneader.Impact sensitivity 0%, friction sensitivity 3%.
Embodiment 4
Prescription and detected value see Table 1, and processing method and detection method are with example 1, and the additional proportion of silane coupling agent γ-r-chloropropyl trimethoxyl silane and light calcium carbonate is with example 1.
Embodiment 5
Prescription and detected value table 1, processing method and detection method are with example 1, and the additional proportion of silane coupling agent γ-mercaptopropyl trimethoxysilane and light calcium carbonate is with example 2.
Embodiment 6
Prescription and detected value table 1, processing method and detection method are with example 1, and silane coupling agent is the mixture of γ-An Bingjisanjiayangjiguiwan and vinyl three (β methoxyethoxy) silane half and half, and the additional proportion of silane coupling agent and light calcium carbonate is with example 3.
Table 1 composite formula and qualitative data one are pulled table
| Project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Potcrate | ??100 | ??100 | ??100 | ??100 | ??100 | ??100 |
| Perlite | ????5 | ????1 | ????3 | ??0.1 | ????4 | ????6 |
| Aluminium powder | ????3 | ????2 | ????1 | ????2 | ????2 | ????3 |
| Barium sulphide | ????1 | ????1 | ????1 | |||
| Cupric sulfide | ????1 | ????2 | ????2 | |||
| Silver sulfide | ????1 | ????1 | ||||
| Strontium sulfide | ????1 | ????1 | ????1 | |||
| Antimony sulfide | ????1 | ????2 | ????1 | |||
| Zinc sulphide | ????2 | ????1 | ????3 | ????2 | ||
| Cadmium Sulfide | ????1 | ????1 | ||||
| Iron sulphide | ????2 | ????2 | ????3 | ????1 | ||
| Sodium sulphite | ????1 | ????1 | ????1 | |||
| Sulfurated lime | ????1 | ????2 | ????2 | |||
| Tungsten sulfide | ????1 | ????1 | ||||
| Lead sulfide | ????1 | ????1 | ||||
| Impact sensitivity (%) | ????1 | ????0 | ????0 | ????0 | ????0 | ????0 |
| Friction sensitivity (%) | ????7 | ????3 | ????3 | ????5 | ????4 | ????6 |
Note: each material is parts by weight in the table.
Claims (3)
1, a kind of fireworks composition contains Potcrate, perlite and aluminium powder, is solid-state micro mist mixture, and it is characterized in that: the composition of composition and parts by weight are:
100 parts in Potcrate
Metallic sulfide 2-15 part
Perlite 0.1-6 part
Aluminium powder 1-3 part
Described metallic sulfide be barium sulphide, cupric sulfide, silver sulfide, strontium sulfide, antimony sulfide, zinc sulphide, Cadmium Sulfide, iron sulphide, sodium sulphite, sulfurated lime, tungsten sulfide or lead sulfide any one, the mixture of the arbitrary proportion of several or all kinds.
2, the manufacture method of claim 1 composition, comprise pulverizing, dry, mix and packing, it is characterized in that: when the metallic sulfide surface treatment, be dried to weight in wet base 0.05%-0.2%, be crushed to granularity 120-200 order, the granularity of the silane coupling agent of the 1%-3% of adding metallic sulfide weight and the 2%-4% of metallic sulfide weight is the light calcium carbonate of 2-5 micron, mix under the temperature that is incorporated in 80-90 ℃ in kneader and handled at least 20 minutes, described silane coupling agent is vinyl three (β methoxyethoxy) silane, γ-r-chloropropyl trimethoxyl silane, γ-mercaptopropyl trimethoxysilane, the mixture of any component arbitrary proportion of one or more of γ-Bing Jisanjiayangjiguiwan and vinyltriethoxysilane.
3, manufacture method according to claim 2 is characterized in that: silane coupling agent is a vinyltriethoxysilane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02115155 CN1376657A (en) | 2002-04-24 | 2002-04-24 | Fireworks-firecrackers assembly and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02115155 CN1376657A (en) | 2002-04-24 | 2002-04-24 | Fireworks-firecrackers assembly and its preparing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1376657A true CN1376657A (en) | 2002-10-30 |
Family
ID=4743482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02115155 Pending CN1376657A (en) | 2002-04-24 | 2002-04-24 | Fireworks-firecrackers assembly and its preparing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1376657A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105777459A (en) * | 2014-12-26 | 2016-07-20 | 湖北航天化学技术研究所 | Low pressure exponent and low residue fuel gas generating agent and preparing method thereof |
| CN114456021A (en) * | 2021-12-14 | 2022-05-10 | 浏阳市吉祥环保材料开发有限公司 | Composite reducing agent for firework unpacking powder |
-
2002
- 2002-04-24 CN CN 02115155 patent/CN1376657A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105777459A (en) * | 2014-12-26 | 2016-07-20 | 湖北航天化学技术研究所 | Low pressure exponent and low residue fuel gas generating agent and preparing method thereof |
| CN105777459B (en) * | 2014-12-26 | 2018-06-19 | 湖北航天化学技术研究所 | Low residue gas generator propellant of a kind of low pressure index and preparation method thereof |
| CN114456021A (en) * | 2021-12-14 | 2022-05-10 | 浏阳市吉祥环保材料开发有限公司 | Composite reducing agent for firework unpacking powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2357632C (en) | Non-toxic primer mix | |
| CN101921159B (en) | Sulfur-free and pearlite-free firecracker reagent and preparation method thereof | |
| CN104276908A (en) | Safe environment-friendly novel pyrotechnic composition | |
| Steinhauser et al. | Using the chemistry of fireworks to engage students in learning basic chemical principles: a lesson in eco-friendly pyrotechnics | |
| CN103214322A (en) | Sulfur-smoke-free powder composition and preparation method thereof | |
| CN101279867A (en) | Non-sulphur firecracker components and preparation thereof | |
| AU7514596A (en) | Non-toxic rim-fire primer | |
| CA2089901C (en) | Aerosol-producing fire extinguishant | |
| CN1203030C (en) | Agent combination of safe fireworks and fire cracker | |
| CN101337855B (en) | Oxydant of potassium perchlorate type special for fireworks and method for preparing same | |
| US4642147A (en) | High energy composition | |
| CN1147452C (en) | Fireworks and firecrackers composition and its preparing process | |
| CN1376657A (en) | Fireworks-firecrackers assembly and its preparing process | |
| CN100348555C (en) | Safety firecracker | |
| CN104591933B (en) | Modified carbon powder for preparing sulfur-free micro-smoke environment-friendly propellant | |
| CN102701893A (en) | Novel sulphur-free explosive for firecracker | |
| CN1179929C (en) | Sulfurless firecracker combustible agent | |
| CN109721446B (en) | Micro-pyrotechnic composition and application thereof | |
| US2613146A (en) | Unsheathed safety explosive composition | |
| CN106631643B (en) | A kind of compound aluminium powder that quick-fried medicine is opened for fireworks | |
| CN108911933A (en) | A kind of colloid gunpowder of high nitrogen type solvent flashing | |
| CN1076436A (en) | The safety fireworks firecracker gunpowder that does not contain sulphur and carbon | |
| CN114349583A (en) | Pyrotechnic composition for fireworks and crackers and application thereof | |
| RU2107057C1 (en) | Permissible explosive composition and method of preparation thereof | |
| CN1034196A (en) | The explosive that is used for bullet and solid rocket propellant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |