CN106938455A - A kind of nailing fastener nail shooting pill and its manufacture method - Google Patents
A kind of nailing fastener nail shooting pill and its manufacture method Download PDFInfo
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- CN106938455A CN106938455A CN201710078999.5A CN201710078999A CN106938455A CN 106938455 A CN106938455 A CN 106938455A CN 201710078999 A CN201710078999 A CN 201710078999A CN 106938455 A CN106938455 A CN 106938455A
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- Prior art keywords
- nail shooting
- shooting pill
- tablet
- solvent
- main body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
- B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
- B25C1/16—Cartridges specially adapted for impact tools; Cartridge and bolts units
- B25C1/166—Pellets
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/18—Compositions containing a nitrated organic compound the compound being nitrocellulose present as 10% or more by weight of the total composition
- C06B25/20—Compositions containing a nitrated organic compound the compound being nitrocellulose present as 10% or more by weight of the total composition with a non-explosive or a non-explosive or a non-thermic component
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
The invention provides a kind of nailing fastener nail shooting pill and its manufacture method, the nail shooting pill includes the inserted film of nail shooting pill tablet main body and cladding tablet main body, and tablet main body is made up of the raw material including following component：By weight, on the basis of energetic material, energetic material 100%, solvent 30%~120%, supplement water 5%~25%；The inserted film of cladding tablet main body is made up of the raw material including following component：In terms of tablet body weight, sealant 0.01%~4%.The preparation method of the nail shooting pill mainly includes the processing steps such as wet plasticizing, drying, shaping and closure.The nail shooting pill of the present invention has the inserted film of multi-functional sealant formation, with the effect such as good waterproof, protection against the tide, lubrication, burn-out proof.
Description
Technical field
The present invention relates to a kind of nailing fastener nail shooting pill and preparation method thereof, belong to nailing fastener nail shooting pill neck
Domain.
Background technology
The nail shooting pill of current nailing fastener (abbreviation nailing gun) industry is divided into box hat nail shooting pill and plastic housing nail shooting pill.The former
It is that gunpowder of the particle as fine sand is mounted in steel shell case, firing pin, which hits, ignited after the fire in a stove before fuel is added of cartridge case base gunpowder acting；
The latter is that a graininess gunpowder (as western medicine tablet) is put into bore or is initially charged with plastic housing to place into bore, firing pin
Hit after tablet, using sensitiveness of the tablet to shock, produce work by combustion.Plastic housing nail shooting pill has several different assembling sides
Formula, traditionally they are referred to as by people shell pneuamtic nail bullet or plastic housing nail shooting pill.Gunpowder without plastic housing no shell that is otherwise known as is penetrated
Langrage, generally referred to as tablet or pill again.
Patent CN97117629.9 discloses one kind without percussion non-shell pneuamtic nail bullet, is made up of adhesive, energetic material, water, this
Class nail shooting pill percussion degree is low；Patent CN01113241.8 is disclosed to contain adhesive, stabilization agent, chemical color without percussion non-shell pneuamtic nail bullet
Element, because the addition of pigment improves the identifiability of different tablets, but because there is the presence of adhesive, the easy moisture absorption, duds rate is high；
Patent CN200410016637.6 improves the shortcoming of percussion poor performance on the basis of preceding two patents, increases high sensitivity material,
Increase protective layer simultaneously；Patent CN201210188018.X is on the basis of former three from adhesive, water, stabilization agent, specific
The energetic material and good solvent manufacture tablet of thin disconnected degree.
In tablet add high sensitivity material contribute to increase tablet percussion performance, but in transportation easily because
Collision and friction are exploded, and there is safety problem.
The microstructure of energetic material nitrocotton fiber is tubulose, if it is not deteriorated, the tablet after shaping
Appearance and size springback capacity it is larger so that the bad control of the change in size of tablet, patent 201210188018.X is fluffy to outward appearance
Nitrocotton granulated after tablet is made again, but it uses the method for added binding agents to solve the problems, such as granulation, it is impossible to avoid
The easy moisture absorption of adhesive, the problem of duds rate is high.Furthermore, the patent manufacture be rectangular tablet, its produce with using compared with
Trouble.
In order to strengthen moisture effect, generally layer protecting film is formed in the outer surface of nail shooting pill tablet.But existing protection
Film is all rigid film, and such as patent 201210188018.X is the film formed by good solvent, and its pliability is poor, by tablet group
When putting into the coyote hole of plastic housing, either hand assembled, or automatic assembling, diaphragm is all likely to occur the phenomenon of rupture,
Once occur it is such rupture, under normal circumstances we visually see less than, if taking treatment measures not in time, these surfaces
The tablet that diaphragm has ruptured, will be because of the moisture formation duds in absorption air.
In addition, energetic material burning when can serious ablation nailing fastener, so as to shorten the use longevity of nailing fastener
Life, and it is in the art, and above-mentioned several patents still lack the technological means for solving this problem.
Therefore, a kind of urgent need moisture effect in nailing fastener field is good, duds rate is low, safe, burn-out proof nailing
Bullet.
The content of the invention
In order to solve the above technical problems, an object of the present invention is to provide a kind of nailing fastening of moistureproof, burn-out proof
Device nail shooting pill.
The second object of the present invention is the preparation method for providing the nailing fastener nail shooting pill.
The third object of the present invention is to provide a kind of damp-proof plastic housing nail shooting pill containing the nailing fastener nail shooting pill.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
A kind of nailing fastener nail shooting pill, includes the inserted film of nail shooting pill tablet main body and cladding tablet main body.
Preferably, the nailing fastener of the present invention is also included by selected from paraffin, ceresine and concise butter with nail shooting pill
The damp-proof layer of one or more anti-blushing agent formation, damp-proof layer is covered in the outer surface of inserted film.Outer surface of the present invention
Can be whole outer surface or partial outer face.In some embodiments of the invention, nail shooting pill is loaded into plastic housing
Interior, nail shooting pill only stays a face exposed outside, and damp-proof layer can only cover the outer surface of exposed nail shooting pill.
Nailing fastener of the present invention is made up with the tablet main body of nail shooting pill of the raw material including following component：By weight,
On the basis of energetic material, energetic material 100%, solvent 30%~120%, supplement water 5%~25%；Coat tablet main body
Inserted film is made up of the raw material including following component：On the basis of the weight of main body tablet, sealant 0.01%~4%.
The raw material of the present invention uses the energetic materials such as the nitrocotton of High water cut state, i.e., except buying energetic material oneself
Outside the moisture that body is brought, 5%~25% water is additionally supplemented, this requires that water content is less than with " plasticizing " of prior art nail shooting pill
5% compares, and has larger difference；Its object is to：Under the collective effect of water and solvent, it is ensured that material can only be plastified partly,
Loose graininess is presented, so as to main body tablet forming, and the wet plasticizing process of High water cut state, more pacify aborning
Entirely.
The nailing fastener nail shooting pill of the present invention, which is added, can be effectively improved nailing fastener using effect and use the longevity
The multifunctional containment agent of life, forms one layer of insertion and penetrates into the protective layer of certain depth in these coat tablets holes (i.e. originally specially
" inserted film " described in profit) tablet is blocked, so as to improve the waterproof of product, humidity resistance.Moreover, to nailing fastener
For, after powder burning, remaining multifunctional containment agent will be attached in nailing fastener, be protected playing lubrication to nailing fastener
While shield is acted on, moreover it is possible to mitigate powder burning to the ablation of nailing fastener, corrosion, play the use of extension nailing fastener
The multi-efficiencies such as life-span, therefore it is both sealant, is the corrosion inhibiter of nailing gun again, is a kind of multifunctional material.
Preferably, in the raw material of tablet main body：By weight, on the basis of energetic material, the solvent be 50%~
80%, supplement water 20%；On the basis of the weight of main body tablet, sealant 3%.
Preferably, the raw material of tablet main body also includes：By weight, on the basis of energetic material, stabilization agent 0~
1.8% and/or plasticizer 0.1%~8%.The visual tablet of stabilization agent is the actual conditions progress of single-base powder or many base tablets
The flexible selection of species and quantity.
Because the microstructure of energetic material nitrocotton fiber is tubulose, if it is not deteriorated, after shaping
The appearance and size springback capacity of tablet is larger so that the bad control of the change in size of tablet, and the present invention, which adds plasticizer, makes its fluffy
Surface structure preferably solvent and water effect under be changed into half closely knit loose particles structure, compared with prior art using bonding
Agent solves the problem, and tablet of the invention, which is avoided, adds the high defect of the easy moisture absorption of adhesive, duds rate.
Preferably, sealant of the present invention is paste body shape lubricating grease.
Preferably, the energetic material of the present invention is nitrocotton, or nitrocotton is with being selected from nitroglycerine, three second two of nitrification
One or more combination in alcohol, diethlene glycol dinitrate and dinitrotoluene (DNT).
When energetic material is only nitrocotton, the tablet is otherwise known as single-base powder.The energetic material of many base tablets is suction
Medicine is received, i.e., based on the nitrocotton of different nitrogen contents, adds other energetic materials, such as nitroglycerine, triethylene glycol dinitrate, nitre
Change diethylene glycol etc., the latter is both energetic material, is also the solvent of nitrocotton.
When energetic material be nitrocotton when, stabilization agent can for N nitrosodiphenyl amine, 2- nitrodiphenylamines, diphenylamines,
Benzenediol or sodium acid carbonate.
When energetic material is nitrocotton and is selected from nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and dinitro first
In benzene during one or more combinations, stabilization agent is selected from No. 1 centralite, No. 2 centralite, vaseline, camphor, rosin, isophthalic two
It is one or more in phenol or sodium acid carbonate.
When energetic material is composition (the absorbing medicine) of nitrocotton and other energetic materials, preferred nitre in energetic material
The content for changing cotton is not less than 60%.
Preferably, solvent of the present invention be ethyl acetate, acetone, acetaldehyde, ether, ethanol, toluene, methylfuran,
The mixed solvent of one or more compositions in benzene, dinitrotoluene (DNT) and dimethylbenzene, but be not that single toluene or dimethylbenzene are molten
Agent.
Preferably, the nail shooting pill finished product water content of the present invention is not higher than 0.8%, residual solvent content is not higher than 1.3%,
Sealing agent content 0.01%~4%, plasticizer loading 0.1%~8%, density 1.34 ± 0.02, quick-fried hot 3000~5450J/g,
Liter/kilogram of specific volume 600~1200, impact sensitivity is less than 1.80 kilogram-metres, 4.0~9.5 millimeters of diameter, the milli of thickness 2.5~7.5
Rice.
Preferably, the plasticizer of the present invention is selected from dibutyl phthalate, dioctyl phthalate, O-phthalic
One or more in diethyl phthalate, tripotassium phosphate acid esters and paste body shape lubricating grease.
The nail shooting pill of the present invention can be used directly as " tablet " of prior art, i.e., " no shell is penetrated described in prior art
Langrage ", nail shooting pill of the invention can also the further part such as assembling plastic housing, obtain prior art " having shell pneuamtic nail bullet " or
" plastic housing nail shooting pill ", therefore the nail shooting pill of this patent includes foregoing two conception of species, and further extend concept.
Present invention also offers the preparation method of nailing fastener nail shooting pill, comprise the following steps：
A, wet plasticizing：Energetic material, solvent, supplement water are sufficiently stirred for mixing, wet plasticizing is carried out；
B, drying：Dry out solvent and moisture, obtain loose granular material；
C, shaping：The material of drying is put in a mold, the cylindrical shape of needs is pressed into, tablet main body is obtained；
D, closure：Sealant heating is melted to liquid；By the heating of nail shooting pill tablet main body, temperature control is higher than environment
5-55 DEG C of temperature, is continued for some time；Liquid sealant is sprayed into tablet main body afterwards, normal temperature is naturally cooled to after having sprayed, i.e.,
There must be the nailing fastener nail shooting pill of inserted film.
Various material Weighings.Start kneader, sequentially add energetic material, water, solvent, be sufficiently stirred for mixing, enter
The wet plasticizing of row, last energetic material is in loose graininess.Then utilize hot-air seasoning, by the volatility such as the moisture in material into
Divide and throw out, obtain the material that outward appearance is loose graininess.The material after drying is put in a mold again, with the pressure of machine
It is compressing, obtain tablet.Compressing tablet can first pass through artificial or tablet selection machine and be screened, qualified tablet
Enter back into closure process.The principle of closure is that the pressure allowed inside tablet is less than the pressure of its outer surface, forms a pressure difference, profit
This pressure difference is used, sealant is pressed into the certain depth of tablet internal void, so as to block the communication passage inside and outside tablet, reached
To waterproof and dampproof purpose, this is more preferable only in one layer of cured film effect of coat tablets formation than prior art.
Preferably, plasticizer is added in the wet plasticizings of step A of above-mentioned nail shooting pill preparation method carries out wet plasticizing, it is described
Wet plasticizing can be carried out in kneader, and wet plasticization temperature is not higher than 35 DEG C, kneader rotating speed in some embodiments of the invention
For 20 turns/min~70 turn/min.
Plasticizer is added in solvent and stirs and is made into plasticized solution, then add have been added to energetic material and
Kneader in startup, continues to stir, last energetic material is in loose graininess, and the nitrocotton in energetic material now is
Incomplete plasticizing state is dissolved by the solvent into, wet plasticizing terminates.
Preferably, above-mentioned nail shooting pill and the step A of plastic housing nail shooting pill preparation method add stabilization agent.If added simultaneously
Plasticizer, then first dissolving stabilization agent is stirred in solvent or water and is made into stable liquid, then plasticizer is added in solvent and stirred
Mix and be uniformly made into plasticized solution, with energetic material, continue to stir, carry out wet plasticizing.
Preferably, above-mentioned nail shooting pill and the step A of plastic housing nail shooting pill preparation method add safeguard protection agent, the safety
Protective agent is carbon tetrachloride or nitrogen, preferably carbon tetrachloride, and safeguard protection agent is the reagent of material and oxygen-barrier.
Preferably, above-mentioned nail shooting pill and the step B of plastic housing nail shooting pill preparation method recycling design while drying, molten
The technical scheme that agent is reclaimed has a variety of, by Integrated comparative, and preferably, its principle is to try to from boiling drying tail gas condensing absorption method
Point is less than the solvent of water, and during drying, solvent becomes gaseous volatilization and come out first, and by condenser, gaseous solvent is cold this moment
But it is liquid, by respective handling, recycling is realized after recovery.It is cooled to next solvent is baked out by hot blast by condenser
Liquid solvent, is recycled again, in some embodiments of the invention, and the temperature for the hot blast of drying is 35 DEG C~120
DEG C, the drop temperature of condenser is not higher than 35 DEG C.
Present invention also offers a kind of damp-proof plastic housing nail shooting pill containing the above nailing fastener nail shooting pill.Such as
It is known by a person skilled in the art that only need to by the present invention nail shooting pill conventionally assemble the parts such as shell can obtain it is various
The nail shooting pill of type.It is plastic housing nail shooting pill in the plastic housing of bowl-type such as by nail shooting pill assembling；Plastic housing nail shooting pill can also enter
The assembling such as fixture, nailing is formed and plays nail piece by one step, and plastic housing nail shooting pill of the invention had both included the previous conception of species or including prolonging
The bullet nail piece concept stretched.
The present invention still further provides the preparation method of the damp-proof plastic housing nail shooting pill of the nail shooting pill of fastener containing nailing,
The nail shooting pill is prepared as described above method and prepared, and then follows the steps below again：
E, protection against the tide：By in the coyote hole of nail shooting pill press-in plastic housing obtained by step D, the protection against the tide that temperature is less than 60 DEG C is immediately placed in
Soaked in agent (such as paraffin, ceresine and concise butter), allow one layer of the surface portion uniform fold of nail shooting pill exposure outside to prevent
Damp layer, produces plastic housing nail shooting pill.
Nail shooting pill and fixture, collar, nailing are subjected to assembling and produce plastic housing bullet nail piece.
The beneficial effects of the present invention are：The present invention nailing fastener nail shooting pill, including nail shooting pill tablet main body and
The inserted film of tablet main body is coated, inserted film is formed through plugging technology by sealant, can be embedded in and penetrate into these tablets master
In body opening gap, seal plug turunda, moistureproof, reduction duds rate, while powder burning can be mitigated to nailing after tablet burning
The ablation of fastener, corrosion, play the multi-efficiencies such as the service life of extension nailing fastener.The nailing fastener of the present invention is used
Nail shooting pill also by adding supplement water, solvent and plasticizer in the feed, improves the fluff structure of nitrocotton well, makes it be in
Now half plastifying state, had both ensured the safety of production process, while avoid using the fluff structure of adhesive improvement nitrocotton again
The moisture absorption that causes simultaneously forms duds problem.The present invention also using safeguard protection agent of the increase using starvation, makes production process
It is safer.And preparation process will be reused after the solvent recovery of production and application, both reduces cost, environment is reduced again
Pollution and potential safety hazard.
Embodiment
Below by way of embodiment, the above to the present invention is described in further detail.But should not be by
This scope for being interpreted as above-mentioned theme of the invention is only limitted to following example.All technologies realized based on the above of the present invention
Belong to the scope of the present invention.
The nail fastener of present invention nail shooting pill includes the inserted film of tablet main body and cladding tablet main body.
The present invention nailing fastener nail shooting pill can also include by selected from paraffin, one kind of ceresine and concise butter or
The damp-proof layer of a variety of anti-blushing agent formation, damp-proof layer is covered in the outer surface of inserted film.
Tablet main body is made up of the raw material including following component：By weight, on the basis of energetic material, energetic material
100%, solvent 30%~120%, supplement water 5%~25%；The inserted film of tablet main body is coated by including following component
Raw material is made：On the basis of the weight of main body tablet, sealant 0.01%~4%.
In some preferred embodiments it is also an option that property add plasticizer 0.1%~8%, stabilization agent 0.0~
1.8% and one kind in safeguard protection agent or its combination.
Energetic material is nitrocotton, or nitrocotton is with being selected from nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and two
One or more combination in nitrotoleune.
Solvent is selected from ethyl acetate, acetone, acetaldehyde, ether, ethanol, toluene, methylfuran, benzene, dinitrotoluene (DNT) and two
The mixed solvent of one or more compositions in toluene, but the solvent is not single toluene or dimethylbenzene.
Sealant is selected from paste body shape lubricating grease.
Plasticizer is selected from dibutyl phthalate, dioctyl phthalate, diethyl phthalate, tripotassium phosphate
One or more in acid esters and paste body shape lubricating grease.
Anti-blushing agent is selected from the one or more of paraffin, ceresine and concise butter.
Safeguard protection agent is the reagent of material and oxygen-barrier, preferably nitrogen or carbon tetrachloride, more preferably four chlorinations
Carbon.
When energetic material is nitrocotton, stabilization agent is N nitrosodiphenyl amine, 2- nitrodiphenylamines, diphenylamines, isophthalic
Diphenol or sodium acid carbonate；When energetic material is nitrocotton and is selected from nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and two
In nitrotoleune during one or more combinations, stabilization agent be selected from No. 1 centralite, No. 2 centralite, vaseline, camphor, rosin,
It is one or more in resorcinol or sodium acid carbonate.
The nailing fastener nail shooting pill of the present invention can also package shell can be further to have shell to penetrate with non-shell pneuamtic nail bullet
Langrage.It is exactly to assemble nail shooting pill in the coyote hole of shell to have shell pneuamtic nail bullet.As it is known by the man skilled in the art, only need to first prepare
The nail shooting pill of the present invention, various types of damp-proof plastic housing nail shooting pills are can obtain in conventionally assembling.
Following steps of the present invention provide the preparation method of nailing fastener nail shooting pill：
A, wet plasticizing：Energetic material, solvent, supplement water are sufficiently stirred for mixing, wet plasticizing is carried out；
B, drying：Dry out solvent and moisture, obtain loose granular material；
C, shaping：The material of drying is put in a mold, the cylindrical shape of needs is pressed into, obtains tablet；
D, closure：Sealant heating is melted to liquid；Tablet main body is heated, temperature control is higher than environment temperature 5-
55 DEG C, continue for some time；Liquid sealant is sprayed into tablet main body afterwards, normal temperature is naturally cooled to after having sprayed, producing has
The nailing fastener nail shooting pill of inserted film.
Start kneader, be firstly added energetic material, then add water, stir, last energetic material is in loose
Graininess.Then hot-air seasoning is utilized, the volatile ingredients such as the moisture in energetic material are thrown out, outward appearance is obtained for loose
The material of granular state.The material after drying is put in a mold again, it is compressing with the pressure of machine, obtain tablet main body.Pressure
It the tablet of type is made can first pass through artificial or tablet selection machine and screened, qualified tablet enters back into closure process.Closure
Refer to：Sealant is heated into fusing to be in a liquid state；Tablet is heated, temperature control continues one higher than 5-55 DEG C of environment temperature
The section time；Liquid sealant is sprayed into tablet afterwards, normal temperature is naturally cooled to after having sprayed, you can discharging.
Technical scheme for being preferably added plasticizer, plasticizer in wet plasticizing process, added in solvent and stirred
Mix and be uniformly made into plasticized solution, then add and have been added to energetic material and the kneader in startup, continue to stir, finally contain
Energy material is in loose graininess, and the nitrocotton in energetic material now is dissolved by the solvent into incomplete plasticizing state, wet
Plasticizing terminates.
Stabilization agent, is dissolved in solvent or water by the technical scheme for being preferably added stabilization agent in wet plasticizing process
Stir and be made into stable liquid, if plasticizer need to be added, then by plasticizer add solvent in and stir be made into plasticising it is molten
Liquid, finally with energetic material, continue to stir.
Technical scheme for being preferably added safeguard protection agent, in wet plasticizing process, is eventually adding safeguard protection agent,
It is well mixed again with unclassified stores, the safeguard protection agent can be carbon tetrachloride or nitrogen；It is preferred that carbon tetrachloride.
In baking step, will preferably the solvent come be baked out by hot blast and be cooled to liquid solvent by condenser, reclaimed again
Utilize, the temperature for the hot blast of drying is 35 DEG C~120 DEG C, and the drop temperature of the condenser is not higher than 35 DEG C.
For preferred compressing technical scheme, the material that will be dried is put in a mold, is pressed into the cylinder of needs
Shape, obtains semi-finished product tablet main body.
For preferred blocking technology scheme, i.e., sealant heating is melted to liquid；Tablet main body is heated, and is higher than
About 5-55 DEG C of environment temperature, is continued for some time；Liquid sealant is sprayed into tablet main body afterwards, naturally cooled to after having sprayed often
Temperature, produces the nailing fastener finished product nail shooting pill with inserted film.The present invention still further provides fastener containing nailing
With the preparation method of the damp-proof plastic housing nail shooting pill of nail shooting pill, the nail shooting pill is prepared by the method for being prepared as above, Ran Houzai
Follow the steps below：
E, protection against the tide：By in the coyote hole of nail shooting pill press-in plastic housing obtained by step D, the protection against the tide that temperature is less than 60 DEG C is immediately placed in
Soaked in agent (such as paraffin, ceresine or concise butter), allow one layer of the surface portion uniform fold of nail shooting pill exposure outside to prevent
Damp layer, produces damp-proof plastic housing nail shooting pill.
The preparation of the nailing fastener nail shooting pill of embodiment 1 and its damp-proof plastic housing nail shooting pill
On the basis of the weight of nitrocotton, B level nitrocottons (dry measure) 1 kilogram of (100%), second of nitrogen content >=13.12%
Acetoacetic ester 80%, supplement water 20%, Weighing is carried out according to respective percentage by weight.
Start kneader, 30 revs/min of kneader rotating speed ＜ is firstly added nitrocotton and supplement water, then adds acetic acid second
Ester, wet plasticizing is uniformly carried out by material stirring.The wet material plastified is poured into dryer, starts air-heater, air temperature is heated
45 DEG C of ＜, hot blast takes away solvent with moisture after passing through material, until moisture is less than less than 0.8%, residual solvent content
Stop drying when 1.3%, and discharge.Material after drying is poured into compressing machine, allow material in the mould of machine
It is middle to be acted on through excess pressure, it is compressing to obtain tablet main body, while by hand or machine selects the defective tablet of rejecting.
Weigh the lotion lubricating grease equivalent to tablet body weight 3%.Then paste body shape lubricating grease is heated into fusing is in
Liquid；Heat tablet for a period of time, tablet temperature is higher than environment temperature, and form about 15 DEG C of temperature difference, when continuing one section
Between；Tablet is quickly poured into machine afterwards, machines and allows it to rotate, the liquid lotion lubricating grease of fusing is sprayed to spray gun
Tablet, room temperature is naturally cooled to after having sprayed, and produces nailing fastener nail shooting pill.Wherein, lubricating grease (paste body shape) penetration depth：
＜ 0.8mm.
Gained nail shooting pill is pressed into the coyote hole of plastic housing by one, one, either hand assembled or automatic dress
Match somebody with somebody, to fill as far as possible flat, tablet size of appearing must not exceed 0.3 millimeter, and operating process will be taken more care, and pressing is reduced as far as possible
When damage the plugged zones of coat tablets, the semi-finished product after installing rapidly enter damp-proof treatment process.It is put into temperature and is less than 60 DEG C
Soaked in anti-blushing agent paraffin, allow nail shooting pill exposure one layer of damp-proof layer of surface portion uniform fold outside, produce moistureproof shape
Shell pneuamtic nail bullet.
Above-mentioned solvent ethyl acetate can be replaced with acetone or ethyl acetate-acetaldehyde etc., anti-blushing agent paraffin can with ceresine and
Concise butter are replaced.
Embodiment 2
On the basis of the weight of nitrocotton, 1 kilogram of the B level nitrocottons (dry measure) of nitrogen content >=13.12%, acetone 80%,
Water 20% is supplemented, dibutyl phthalate 1.0% carries out Weighing according to respective percentage by weight, and sealant is weighed
Equivalent to the lotion lubricating grease of tablet body weight 3%.
Dibutyl phthalate is added in proper amount of acetone and stirred and is made into plasticized solution.Start kneader, it is first
Nitrocotton is first added, acetone is then added, after stirring, plasticized solution is added, continues to stir the wet plasticizing of progress, wet plasticizing
Temperature：35 DEG C of ＜, 30 revs/min of kneader rotating speed ＜.
Remaining step is same as embodiment 1.
Embodiment 3
On the basis of the weight of nitrocotton, 1 kilogram of the C level nitrocottons (dry measure) of nitrogen content 11.87~12.38%, ethanol-
Ether mixed solvent 80%, dioctyl phthalate 1.0%, supplement water 20%, diphenylamines (or sodium acid carbonate) 0.2%,
Weighing is carried out according to respective percentage by weight.Sealant weighs the lotion lubricating grease equivalent to tablet body weight 3%.
Diphenylamines is dissolved in ethanol in proper amount (if then using water dissolves with sodium acid carbonate), stirring, it is stable to be made into
Liquid, then dioctyl phthalate is added in ethanol in proper amount and stirs and is made into plasticized solution.By 1 volume ethanol and 2 bodies
Product ether mixing, is configured to alcohol-ether mixed solvent.Remaining step since wet plasticizing is same as embodiment 1.
Alcohol-ether mixed solvent can be replaced ethyl acetate, acetone, ethyl acetate-ethanol-toluene Mixed Solvent or first
Base furans-alcohol mixed solvent.
Embodiment 4
On the basis of the weight of nitrocotton, B, C level mixing nitrocotton (dry measure) 1 of nitrogen content 12.75~13.00% is public
Jin, alcohol-ether mixed solvent 80%, dibutyl phthalate (or lubricating grease) 1.0%, N nitrosodiphenyl amine (or
Sodium acid carbonate) 0.2%, carbon tetrachloride 30%, supplement water 20%, sealant weighs the lotion equivalent to tablet body weight 3%
Lubricating grease, Weighing is carried out according to respective percentage by weight.
N nitrosodiphenyl amine is dissolved in ethanol in proper amount (if then using water dissolves with sodium acid carbonate), stirred
It is made into stable liquid, then dibutyl phthalate is added in ethanol in proper amount and stirred is made into plasticized solution.By 1 volume second
Alcohol and the mixing of 2 volume ether, are configured to alcohol-ether mixed solvent.
Remaining step since wet plasticizing is same as embodiment 1.
Alcohol-ether mixed solvent can be replaced ethyl acetate, acetone, ethyl acetate-ethanol-toluene Mixed Solvent, first
Base furans-alcohol mixed solvent, acetaldehyde, toluene, benzene, dimethylbenzene etc..
Embodiment 5
Energetic material is not less than 28% absorption medicine using water content, and various materials are to absorb the weight of medicine (dry measure) as base
Standard, absorbing 1 kilogram of medicine (dry measure), (100%, it is D grades of nitrocottons, its content 88.8%, nitroglycerine content to absorb the component of medicine
11%, No. 2 centralite (or sodium acid carbonate) 0.2%), ethyl acetate 50%, dibutyl phthalate 1%, carbon tetrachloride
30%th, water 20% is supplemented, sealant weighs the lotion lubricating grease equivalent to tablet body weight 3%, according to respective weight hundred
Divide than carrying out Weighing.
Start kneader, 30 revs/min of kneader rotating speed ＜ is firstly added absorption medicine, then adds supplement water, then adds acetic acid
Ethyl ester solvent and dibutyl phthalate, are eventually adding carbon tetrachloride, are sufficiently stirred for mixing, carry out wet plasticizing, plasticizing process
Temperature be less than 35 DEG C, the material finally obtained be in loose graininess.
Other steps since drying are same as embodiment 4.
Solvent ethyl acetate can be replaced acetone etc.；Plasticizer phthalic acid dibutyl ester can be replaced phthalic acid two
Monooctyl ester, diethyl phthalate or tripotassium phosphate acid esters etc..
Embodiment 6
Energetic material is not less than 28% absorption medicine using water content, and various materials are to absorb the weight of medicine (dry measure) as base
Standard, absorbing 1 kilogram of medicine (dry measure), (it is D grades of nitrocotton contents 86.3%, nitroglycerine content 10%, nitrification to absorb the component of medicine
Triethylene glycol 3.5%, No. 2 centralite 0.2%), ethyl acetate 50%, dibutyl phthalate 1.0%, carbon tetrachloride
30%th, water 20% is supplemented, sealant weighs the lotion lubricating grease equivalent to tablet body weight 3%, according to respective weight hundred
Divide than carrying out Weighing.
Preparation process since wet plasticizing is same as embodiment 5.
Embodiment 7
Energetic material is not less than 28% absorption medicine using water content, and various materials are to absorb the weight of medicine (dry measure) as base
Standard, absorbing 1 kilogram of medicine (dry measure), (it is D grades of nitrocotton contents 86.3%, nitroglycerine content 10%, nitrification to absorb the component of medicine
Triethylene glycol 3.5%, No. 2 centralite 0.2%), (volume ratio is 7 to ethyl acetate-acetone 50%:3), lubricating grease 0.5%, benefit
Water-filling 18%, sealant weighs the lotion lubricating grease equivalent to tablet body weight 1%, is carried out according to respective percentage by weight
Weighing.
Safeguard protection agent nitrogen is filled in wet plasticizing process, remaining preparation process since wet plasticizing is same as embodiment 5.
Embodiment 8
Energetic material is not less than 28% absorption medicine using water content, and various materials are to absorb the weight of medicine (dry measure) as base
Standard, absorbing 1 kilogram of medicine (dry measure), (it is D grades of nitrocotton contents 81%, nitroglycerine content 13.5%, nitrification to absorb the component of medicine
Triethylene glycol 4%, vaseline 1.5% (or rosin)), acetone-toluene (volume ratio 2:1) 100%, lubricating grease 3.0%, supplement water
25%th, sealant weighs the lotion lubricating grease equivalent to tablet body weight 0.5%, is claimed according to respective percentage by weight
Metering.
Preparation process is same as embodiment 7.
Comparative example
With over dry gauge (kg)：Degree of nitration 213g/mL, thin disconnected degree 80mL nitrocotton 69；Diphenylamines (stabilization agent) 1；Water
30；HPMC (viscosity 200000cps, it is aqueous to be less than or equal to 5%) 1；Water 70.
Adhesive is configured to the aqueous solution that mass concentration is 0.5%, and stabilization agent diphenylamines volumetric concentration is 95% second
Alcohol is made into the diphenylamines ethanol solution that mass concentration is 10%；In extracting cellulose nitrate input kneader；By cellulose nitric acid
Ester over dry gauge, is gradually added diphenylamines ethanol solution and 0.5% adhesive that solute oven-dry weight is 0.8% in kneader
The aqueous solution；Mixing granulation 20 minutes at 20~35 DEG C；The mixture after granulation is taken to be dried at 70 DEG C to moisture and be
8%；Material after drying cross filter out 10-60 mesh material it is standby；It is compressing in tablet press machine to obtain tablet, suppress
Tablet density is 1.36g/cm3；It is 0.8% that it, which is dried at 70-90 DEG C to moisture,；With ethyl acetate to compressing
Tablet is sprayed comprehensively, and cellulose nitrate film, the cellulose nitrate film are formed in 50-70 DEG C of drying after spraying
Thickness is 0.18mm, produces product.
Embodiment 9 is moistureproof and fires performance test
By the embodiment of the present invention 1,3 products obtained therefroms and comparative example products obtained therefrom in 25 ± 2 DEG C of temperature, humidity 70~75%
72h is placed in environment, respectively takes 100 samples to survey percussion rate before placing and after placing.Percussion rate=(sample number-duds number)/
Sample number * 100%.
As seen from the above table, nailing fastener nail shooting pill of the invention, its percussion rate height (>90%), and even in tide
Deposited for a long time in wet environment, still can keep higher percussion rate.
Claims (19)
1. a kind of nailing fastener nail shooting pill, it is characterised in that the nail shooting pill includes nail shooting pill tablet main body and cladding medicine
The inserted film of piece main body.
2. nailing fastener nail shooting pill as claimed in claim 1, it is characterised in that the nail shooting pill also includes by selected from stone
The damp-proof layer of one or more anti-blushing agents formation of wax, ceresine and concise butter, damp-proof layer is covered in the outer surface of inserted film.
3. nailing fastener nail shooting pill as claimed in claim 1, it is characterised in that the tablet main body is by including with the following group
The raw material of part is made：By weight, on the basis of energetic material, energetic material 100%, solvent 30%~120%, supplement water
5%~25%；The inserted film of cladding tablet main body is made up of the raw material including following component：Using the weight of main body tablet as base
Standard, sealant 0.01%~4%.
4. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the raw material of the tablet main body is also wrapped
Include：By weight, on the basis of energetic material, stabilization agent 0~1.8% and/or plasticizer 0.1%~8%.
5. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the solvent is 50%~80%, is mended
Water-filling 20%, sealant 3%.
6. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the sealant lubricates for paste body shape
Fat.
7. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the energetic material is nitrocotton, or
Nitrocotton and combination one or more in nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and dinitrotoluene (DNT).
8. nailing fastener nail shooting pill as claimed in claim 4, it is characterised in that when energetic material is nitrocotton, institute
Stabilization agent is stated for N nitrosodiphenyl amine, 2- nitrodiphenylamines, diphenylamines, resorcinol or sodium acid carbonate.
9. nailing fastener nail shooting pill as claimed in claim 7, it is characterised in that when energetic material is nitrocotton with being selected from
In nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and dinitrotoluene (DNT) during one or more combinations, the stabilization agent
It is one or more in No. 1 centralite, No. 2 centralite, vaseline, camphor, rosin, resorcinol or sodium acid carbonates.
10. nailing fastener nail shooting pill as claimed in claim 9, it is characterised in that when energetic material is nitrocotton and choosing
From in nitroglycerine, triethylene glycol dinitrate, diethlene glycol dinitrate and dinitrotoluene (DNT) during one or more combinations, energetic material
The content of middle nitrocotton is not less than 60%.
11. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the solvent is ethyl acetate, third
The mixing of one or more compositions in ketone, acetaldehyde, ether, ethanol, toluene, methylfuran, benzene, dinitrotoluene (DNT) and dimethylbenzene
Solvent, and toluene or dimethylbenzene do not use as single solvent.
12. nailing fastener nail shooting pill as claimed in claim 3, it is characterised in that the water content of the nail shooting pill finished product
Not higher than 0.8%, residual solvent content is not higher than 1.3%, seals agent content 0.01%~4%, and plasticizer loading 0.1%~
8%, density 1.34 ± 0.02, quick-fried hot 3000~5450J/g, liter/kilogram of specific volume 600~1200, it is public that impact sensitivity is less than 1.80
Jin rice, 4.0~9.5 millimeters of diameter, 2.5~7.5 millimeters of thickness.
13. nailing fastener nail shooting pill as claimed in claim 4, it is characterised in that the plasticizer is selected from O-phthalic
One kind in dibutyl phthalate, dioctyl phthalate, diethyl phthalate, tripotassium phosphate acid esters and paste body shape lubricating grease
Or it is a variety of.
14. the preparation method of the nailing fastener nail shooting pill as described in claim 1-13 any one, comprises the following steps：
A, wet plasticizing：Energetic material, solvent, supplement water are sufficiently stirred for mixing, wet plasticizing is carried out；
B, drying：Dry out solvent and moisture, obtain loose granular material；
C, shaping：The material of drying is put in a mold, the cylindrical shape of needs is pressed into, tablet main body is obtained；
D, closure：Sealant heating is melted to liquid；Tablet main body is heated, temperature control is higher than environment temperature 5-55
DEG C, continue for some time；Liquid sealant is sprayed into tablet main body afterwards, normal temperature is naturally cooled to after having sprayed, produces with embedding
Enter the nailing fastener nail shooting pill of formula film.
15. preparation method as claimed in claim 14, it is characterised in that the step A adds plasticizer and carries out wet plasticizing.
16. preparation method as claimed in claim 14, it is characterised in that the step A adds stabilization agent or/and safeguard protection
Agent, the safeguard protection agent is carbon tetrachloride or nitrogen.
17. preparation method as claimed in claim 14, it is characterised in that step B recycling designs while drying, will
The solvent come is baked out by hot blast and is cooled to liquid solvent by condenser, is recycled again.
18. a kind of damp-proof plastic housing nail shooting pill of the nailing fastener nail shooting pill described in any one of 1-13 containing claim,
The damp-proof plastic housing nail shooting pill includes plastic housing and places nail shooting pill in it.
19. the preparation method of damp-proof plastic housing nail shooting pill as claimed in claim 18, it is characterised in that comprise the following steps：
E, protection against the tide：In the coyote hole that nailing fastener with inserted film is pressed into plastic housing with nail shooting pill, temperature is immediately placed in
Soaked in anti-blushing agent less than 60 DEG C, allow nail shooting pill exposure one layer of damp-proof layer of surface portion uniform fold outside, produced anti-
Tidal stencils plastic housing nail shooting pill.
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|---|---|---|---|
| CN201610944932 | 2016-11-02 | ||
| CN2016109449320 | 2016-11-02 |
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| CN201710078999.5A Active CN106938455B (en) | 2016-11-02 | 2017-02-14 | Nail shooting bullet for nail shooting fastener and manufacturing method thereof |
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| CN110194709A (en) * | 2019-06-10 | 2019-09-03 | 宜宾鼎天新材料科技有限公司 | A kind of clad and its cladding process of moisture-proof nailing tablet |
| CN110845914A (en) * | 2019-11-27 | 2020-02-28 | 四川北方硝化棉股份有限公司 | Nitrocellulose paint sheet plasticizing process |
| CN110861233A (en) * | 2019-11-21 | 2020-03-06 | 四川北方硝化棉股份有限公司 | Method for plasticizing nitrocellulose chip |
| CN113912465A (en) * | 2021-10-14 | 2022-01-11 | 长沙士象消防科技有限公司 | Moisture-proof and waterproof thermosensitive wire and preparation method thereof |
| CN114437376A (en) * | 2022-02-21 | 2022-05-06 | 北方化学工业股份有限公司 | Preparation method of nitrocotton for nailing medicine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110194709A (en) * | 2019-06-10 | 2019-09-03 | 宜宾鼎天新材料科技有限公司 | A kind of clad and its cladding process of moisture-proof nailing tablet |
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| CN113912465A (en) * | 2021-10-14 | 2022-01-11 | 长沙士象消防科技有限公司 | Moisture-proof and waterproof thermosensitive wire and preparation method thereof |
| CN114437376A (en) * | 2022-02-21 | 2022-05-06 | 北方化学工业股份有限公司 | Preparation method of nitrocotton for nailing medicine |
| CN114437376B (en) * | 2022-02-21 | 2023-09-26 | 北方化学工业股份有限公司 | Preparation method of nitrocotton for nail shooting medicine |
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