CN102435102A - Bullet-proof and stab-resistant clothes and preparation method thereof - Google Patents
Bullet-proof and stab-resistant clothes and preparation method thereof Download PDFInfo
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Abstract
The invention provides bullet-proof and stab-resistant clothes and a preparation method thereof. The bullet-proof and stab-resistant clothes sequentially comprises a first composite layer, a middle layer and a second composite layer from outside to inside, wherein the middle layer is a layer of titanium alloy sheet; both the first composite layer and the second composite layer sequentially comprise 18 layers of laid fabric with surface density of 135g/cm<2> and 1 layer of titanium alloy sheet from outside to inside; and fibers in the adjacent laid fabric layers are arranged in 0 to 20 degrees. The first composite layer and the second composite layer in the bullet-proof and stab-resistant clothes have higher cutting resistance and impact resistance, and the titanium alloy sheet of the inner layer is used for further improving the bullet-proof performance, so that the bullet-proof and stab-resistant clothes formed after the first composite layer, the middle titanium alloy sheet and the second composite layer are compounded are enough to resist attack of multiple times. Proved by test, the bullet-proof and stab-resistant clothes have excellent bullet-proof and stab-resistant comprehensive performance, accord with the standards of police bullet-proof clothes and stab-resistant clothes, are light in weight, and do not hinder the action of a wearer.
Description
Technical field
The present invention relates to safety protection field, particularly a kind of bulletproof stab-resistant clothes and preparation method thereof.
Background technology
The security work personnel will face a lot of critical situation in process on duty, as meeting with that bullet attacks or dagger is stabbed etc.In order to ensure the security work personnel with offender's life security during the struggle, provide clothes in order to can resist external invasion and attack, to safeguarding the significant of social public order with bulletproof anti-puncturing property for the security work personnel.
Existing multiple stab-resistance body armor or ballistic protective clothing are that 97108879.9 Chinese patent discloses a kind of composite bulletproof garment like application number, and the basic bullet resistant material part of this flak jackets comprises figure WLL, Di Nima, air bubble plastic layer and polyethylene board at least.Though this kind bullet resistant material has certain bulletproof effect, but a little less than it prevents that piercing through property, be difficult to resist the attack of sharp swords such as dagger.Publication number is the preparation method that the Chinese patent of CN101357010A discloses a kind of soft stab-resistant insoles; In this patent; The preparation process of anti-stabbing lining is to prepare the PE short fiber earlier; With sticking with glue the agent coating behind the chopped fiber needle-punched one-tenth nonwoven of PE, the woven cloth of PE is soaked adhesive, at last that one or more layers PE nonwoven and one or more layers the woven cloth of PE is compound hot-forming.Though this kind anti-stabbing lining has anti-stab preferably effect, but clearly, this kind material is can't impact resistance not enough, is difficult to be applied to the bullet resistant material field.
Therefore, need provide a kind of and have concurrently anti-stab and clothes ballistic performance, in order to guarantee security work personnel's personal safety.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of bulletproof stab-resistant clothes and preparation method thereof, and this bulletproof stab-resistant clothes has higher impact resistance and anti-cutting, possesses anti-stab and shellproof combination property.
In order to solve above technical problem, the present invention provides a kind of preparation method of bulletproof stab-resistant clothes, comprising:
A, with superhigh molecular weight polyethylene fibers uniform spreading and preheating;
B, on the superhigh molecular weight polyethylene fibers after the preheating adhesive coating and dry, making surface density is 135g/cm
2Individual layer do not have latitude cloth;
C, get 18 layers of said individual layer and do not have latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, obtains first composite bed;
D, repeating step c obtain second composite bed;
E, said first composite bed, 1 layer of titanium alloy layer and second composite bed are superposeed; Make bulletproof stab-resistant clothes, said first composite bed forms skin, and the titanium alloy sheet forms the intermediate layer; Second composite bed forms internal layer, and the titanium alloy face of first composite bed contacts with the intermediate layer.
Preferably, the elastic modelling quantity of said superhigh molecular weight polyethylene fibers is 500g/d～650g/d.
Preferably, said titanium alloy is Ti-6Al-4V or Ti-5Al-2.5Sn.
Preferably, said adhesive comprises: the polystyrene diblock EVA of the epoxy resin of 6wt%～20wt%, the neoprene of 5wt%～10wt%, 2wt%～5wt%, the plasticizer of 0.5wt%～1.5wt% and the solvent of surplus.
Preferably, with said first composite bed, 1 layer of titanium alloy sheet and second composite bed with before superposeing, also comprise:
At titanium alloy sheet surface-coated thermal insulation layer, said thermal insulation layer comprises: the aluminium silicate powder of the organic siliconresin of 70wt%～80wt%, the zirconium dioxide of 10wt%～15wt% and 8wt%～12wt%.
Preferably, also comprise: in the laminated processing of waxing of the no latitude cloth of said first composite bed.
Accordingly; The present invention also provides a kind of bulletproof stab-resistant clothes; Comprise successively from outside to inside: first composite bed, intermediate layer and second composite bed, said intermediate layer are 1 layer of titanium alloy sheet, and said first composite bed and second composite bed all comprise from outside to inside successively: 18 aspect density are 135g/cm
2No latitude cloth and 1 layer of titanium alloy sheet, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth.
Preferably, the adhesive in the said no latitude cloth comprises: the polystyrene diblock EVA of the epoxy resin of 6wt%～20wt%, the neoprene of 5wt%～10wt%, 2wt%～5wt%, the plasticizer of 0.5wt%～1.5wt% and the solvent of surplus.
Preferably, said interlayer surfaces is coated with thermal insulation layer, and said thermal insulation layer comprises: the aluminium silicate powder of the organic siliconresin of 70wt%～80wt%, the zirconium dioxide of 10wt%～15wt% and 8wt%～12wt%.
Preferably, the laminated Wax-coated layer of the no latitude cloth of said first composite bed.
The present invention provides a kind of bulletproof stab-resistant clothes and preparation method thereof; Existing for existing stab-resistance body armor or ballistic protective clothing; First composite bed in the bulletproof stab-resistant clothes provided by the invention and second composite bed all have higher anti-cutting and impact resistance; Internal layer titanium alloy sheet is used for further improving ballistic performance, and the bulletproof stab-resistant clothes with first composite bed, middle titanium alloy sheet and second composite bed after compound is enough to resist repeatedly and attacks.Have excellent bulletproof anti-puncturing combination property through test proof bulletproof stab-resistant clothes provided by the invention, meet alert standard with bounce-back clothing and anti-stab clothing, and bulletproof anti-puncturing clothing lighter weight provided by the invention, the action to the dressing personnel does not cause obstruction.
The specific embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
The embodiment of the invention discloses a kind of preparation method of bulletproof stab-resistant clothes, comprising:
A), with superhigh molecular weight polyethylene fibers uniform spreading and preheating;
B), on the superhigh molecular weight polyethylene fibers after the preheating adhesive coating and dry, making surface density is 135g/cm
2Individual layer do not have latitude cloth;
C), get 18 layers of step b and make individual layer and do not have latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, obtains first composite bed;
D), repeating step c, obtain second composite bed;
E), said first composite bed, 1 layer of titanium alloy layer and second composite bed are superposeed; Make bulletproof stab-resistant clothes, said first composite bed forms skin, and the titanium alloy sheet forms the intermediate layer; Second composite bed forms internal layer, and the titanium alloy face of first composite bed contacts with the intermediate layer.
Superhigh molecular weight polyethylene fibers (UHMWPE) is claimed high-strength high-modulus polyethylene (HSHMPE) fiber or elongation chain (ECPE) polyethylene fibre again, is meant that relative molecular mass is in (1～6) * 10
6The superhigh molecular weight polyethylene fibers processed afterwards through spinning-stretchings of polyethylene.The superhigh molecular weight polyethylene fibers reinforced composite is compared with other fibre reinforced composites has higher resistance to impact, and specific energy absorption is big, have outstanding anti-cutting, and the density of superhigh molecular weight polyethylene fibers is lower, is about 0.97g/cm
3, thereby the reinforced composite light weight of fiber production thus, be particularly suitable for the processing and preparing broigne.In order to make bulletproof stab-resistant clothes have good shock resistance, it is the superhigh molecular weight polyethylene fibers of 500g/d～650g/d that the present invention preferably selects elastic modelling quantity for use.
Spinning process for superhigh molecular weight polyethylene fibers; Be preferably gel spinning, for example can be according to the gel spinning prepared described in patent GB2042414 or the WO01/73173, concrete as: preparation has the linear polyethylene solution of high intrinsic viscosity; This solution is spun into silk being higher than under the temperature of solution temperature; This silk is cooled to produce below the gelling temp gel, and remove desolvate before, during or with the after-drawing silk, obtain superhigh molecular weight polyethylene fibers.
Step a and b are the no latitude cloth operation of preparation; No latitude cloth be with polyethylene fibre through even, parallel, straight and upright be arranged in carry out impregnation after the continuous belts, drying makes; With respect to the longitude and latitude woven; No latitude cloth has been avoided interweaving of filling yarn, and the folding press-bending that fiber can not take place repeatedly is bent, therefore can not reduce the original mechanical property of fiber; Simultaneously, the space appears in the longitude and latitude place of interweaving easily, influences performance of composites, is that fiber is arranged in parallel and there is not latitude cloth, therefore can inherit the mechanical property of fiber to the full extent.
Purpose with the fiber uniform spreading among the step a is: in the follow-up last glue process, adhesive is evenly distributed between the fiber.Spreading methods for fiber; The preferred technology of describing among the patent CN1291090C that adopts: make fiber make static drawout on the fabric strip through the friction piece friction with the drawing tension of≤0.1g/d; Said friction piece is the polygon prismatic body or the round of chromium oxide, magnesia or aluminium oxide material or its material coating, and the quantity of friction piece is one or more.Because polyethylene fibre is a kind of insulator, when its ceramic material with insulating property (properties) rubs, very easily be with negative electricity, the static of this accumulative total can be up to more than ten thousand volts, and is behind the high-pressure electrostatic, mutually exclusive between the fiber on the fabric strip, can uniform spreading.After the static uniform spreading is opened on the fabric strip, re-use method well known to those skilled in the art and eliminate the static on the fiber.
The purpose of among the step a fiber being carried out preheating is: removing the internal stress of fiber on the one hand, is that adhesive and fiber have better composite effect on the other hand, and preheat temperature is preferably 40 ℃～50 ℃.
It is tightr that the purpose of among the step a fiber being carried out gluing is to make fiber to combine, after the gluing at adhesive that fiber surface adheres in the hot pressing of step c is compound, also as the adhesive that connects no latitude cloth and titanium alloy.Above-mentioned adhesive preferably includes the epoxy resin of following composition: 6wt%～20wt%, the neoprene of 5wt%～10wt%, the polystyrene diblock EVA of 2wt%～5wt%, the plasticizer of 0.5wt%～1.5wt% and the solvent of surplus.
Epoxy resin bonding power is strong; In order to guarantee the combined strength bination of no latitude cloth and titanium alloy, the content of epoxy resin is 6wt%～20wt% in the adhesive, and the too high viscosity of adhesive that then makes of epoxy resin content is excessive; Increase the gluing difficulty, and influence the uniformity of adhesive between fiber.
In adhesive, adding neoprene makes owing to it has higher adhesive force to polyethylene fibre on the one hand; Be on the other hand for relax no latitude cloth and titanium alloy sheet in the hot pressing recombination process owing to the different stress that cause of the coefficient of thermal expansion of the two are concentrated, improve the raising impact resistance and the stripper-resistance of composite bed simultaneously.
Polyphenyl alkene diblock EVA has better viscosity and thermoplasticity; So can not influence the original plasticity of fiber after with said high strength fibre bonding as adhesive; Thereby make the anti-stabbing lining that makes possess higher resistance to impact; Polyphenyl alkene diblock EVA is also as bulking agent; Increase the compatibility of epoxy resin and neoprene, bond between hardening constituent, preferably adopt polystyrene-butadiene diblock EVA or polystyrene-poly isoprene diblock EVA for polyphenyl alkene diblock EVA.
In adhesive, add the plasticity that plasticizer can improve adhesive, give adhesive better croop property, make the bulletproof anti-puncturing lining that makes have the characteristic of better absorption and transmission energy.According to the present invention, said plasticizer can be phthalic acid ester, fatty group dibasic acid or epoxide, is preferably fatty group dibasic acid or epoxide, more preferably DOA (hexanedioic acid dioctyl ester) or epoxidised soybean oil.Said solvent can be benzene, toluene, chloroform, carbon tetrachloride, hexane, cyclohexane, chlorination cyclohexane, diethyl ether, methyl-isobutyl ether, ethyl acetate or amyl acetate.The present invention is preferred 2,3-diacetyl, cyclohexane, ethyl acetate or methyl-isobutyl ether.
The adhesive that the present invention uses can be used technology preparation well known to those skilled in the art; Detailed process is: be furnished with the jacketed mixing kettle of rotor; Preferably in jacketed heavy burden blender, add partial solvent and all epoxy resin and polystyrene diblock EVAs, then temperature is increased to 160 ℃～175 ℃; After treating that epoxy resin and polystyrene diblock EVA dissolve; Cool the temperature to 150 ℃～155 ℃, treat to add successively after solution mixes the solvent of plasticizer, neoprene and surplus, solution is continued to mix making adhesive.Can use equipment well known to those skilled in the art for blender, the present invention does not have special restriction to this.
Because what play main bulletproof anti-puncturing effect in the no latitude cloth is superhigh molecular weight polyethylene fibers; Therefore the adhesive too high levels then can influence the impact resistance and the anti-cutting of bulletproof stab-resistant clothes; If can influence the combined strength bination of no latitude cloth and titanium alloy sheet but content is crossed low, the content of adhesive is preferably 32wt%～40wt% in the no latitude cloth.
The method that fiber is carried out gluing can adopt the method for sprinkling, i.e. spray paste stick on fiber.Preferably superhigh molecular weight polyethylene fibers is passed through the upper glue roller adhesive coating.Fiber need carry out dried through after the gluing, so that the solvent evaporates in the adhesive is fallen and cured adhesive, baking temperature can be 40 ℃～70 ℃, and making surface density after the drying is 135g/cm
2Individual layer do not have latitude cloth.
Get 18 layers of step b among the step c and make individual layer and do not have latitude cloth and superpose mutually, it is to make composite bed and have evenly on all directions preferably that mechanics transmits performance in order to make that adjacent no latitude cloth becomes 0 °/20 ° arrangements.Titanium alloy has intensity height and the little characteristics of density, thereby will not have latitude cloth and titanium alloy carries out not only can improving the intensity of bulletproof stab-resistant clothes, and it is so heavy can not look like the ballistic protective clothing of traditional band metallic plate, effectively alleviates the weight of bulletproof stab-resistant clothes.The titanium alloy type that the present invention selects for use can be Ti-6Al-4V, Ti-5Al-2.5Sn, Ti-2Al-2.5Zr, Ti-32Mo, Ti-Mo-Ni, Ti-Pd, SP-700, Ti-6242, Ti-1023, Ti-10-5-3, Ti-1023, BT9, BT20, IMI829 or IMI834.Preferably select Ti-6Al-4V or Ti-5Al-2.5Sn for use.Hot pressing temperature is controlled to be 100 ℃～130 ℃, is preferably 110 ℃～120 ℃, and hot pressing pressure is controlled to be 26Mpa～30Mpa, obtains first composite bed.Steps d is that the method according to step c prepares second composite bed.
Obtain bulletproof stab-resistant clothes after above-mentioned first composite bed, 1 layer of titanium alloy sheet and second composite bed superposeed according to step e.
When the bulletproof anti-puncturing lining is suffering the attack of sharp sword or bullet to do the time spent; Because the friction of high strength in short-term can produce a large amount of heats; Therefore, in order to reduce of the injury of this high temperature for a short time amount to human body, the present invention also preferably first composite bed, intermediate layer and second composite bed carry out compound before; Apply thermal insulation layer in interlayer surfaces, said thermal insulation layer comprises: the aluminium silicate powder of the organic siliconresin of 70wt%～80wt%, the zirconium dioxide of 10wt%～15wt% and 8wt%～12wt%.Zirconium dioxide and the aluminium silicate powder fusing point is higher and thermal conductivity is lower; Organic siliconresin has excellent moisture resistance rustless property; After zirconium dioxide, aluminium silicate powder and the organic siliconresin mixing with aforementioned proportion; It is comparatively approaching that it has preferably thermal insulation and coefficient of thermal expansion and titanium alloy, and then can not produce tensile stress.Interlayer surfaces apply thermal insulation layer method can for: be coated on the intermediate layer after above-mentioned thermal insulation layer raw material mixed, burnt 30 minutes～40 minutes 300 ℃～400 ℃ bakings then.
For increase bulletproof stab-resistant clothes surface smoothness; Make bullet or sharp sword be difficult for thrusting bulletproof stab-resistant clothes inside; Also preferred on the surface of bulletproof stab-resistant clothes, i.e. the no latitude layer of cloth of first composite bed, the processing of waxing; Can adopt method well known to those skilled in the art for waxing, the present invention does not have special restriction to this.
Accordingly, the present invention also provides a kind of bulletproof stab-resistant clothes by method for preparing, and it has excellent anti-stab and bulletproof effect concurrently, and lighter weight, is suitable for dress.
In order further to understand the present invention, bulletproof stab-resistant clothes provided by the invention is described below in conjunction with embodiment.Epoxy resin in following examples is the D.E.N. that DOW Chemical is produced
TMNovolac epoxy resin; Polystyrene-butadiene diblock EVA is provided by U.S. Phillips oil company, and trade names are Solprene 406; Polystyrene-poly isoprene diblock EVA is provided by Ba Ling petro-chemical corporation, and trade names are 1105; Neoprene is provided by Japanese DENKA company, and trade names are A-70; Titanium alloy is the Ti-6Al-4V that is provided by Tianjin Ge Ruixin metal material Co., Ltd; Organic siliconresin is provided by Debang Chemical New Material Co., Ltd., and trade names are DB-8030.
Embodiment 1
1, the RYX90 superhigh molecular weight polyethylene fibers with Ningbo Rongyi Chemical Fibre Technology Co., Ltd.'s production of 400 dawn is placed on the creel; Spindle on the creel is assembled bunchy through behind the creel; Go into static eraser via the static generating apparatus is laggard; Eliminate static, then with superhigh molecular weight polyethylene fibers preheating under 50 ℃ temperature of uniform spreading through overheated path.
2, the fiber after the preheating is imported sizer through the upper glue roller gluing; Adhesive comprises in the upper glue roller: the DOA of the polystyrene of the epoxy resin of 15wt%, the neoprene of 8wt%, 4wt%-butadiene diblock EVA, 1wt% and No. 120 solvent naphthas (2 of surplus; The 3-diacetyl), making surface density is 135g/cm
2No latitude cloth, the content of adhesive is 35wt% in the no latitude cloth.
3, get 18 layers of step 2 and make no latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, and it is 28Mpa that pressure is set, and temperature is 120 ℃, obtains first composite bed.
4, the method according to step 3 prepares second composite bed.
5, first composite bed that step 3 is made is as skin; Get 1 layer of titanium alloy sheet as the intermediate layer; Get second composite bed that step 4 makes as internal layer, skin, intermediate layer and internal layer are superposeed, wherein; The titanium alloy face of first composite bed contacts with the titanium alloy in intermediate layer, obtains bulletproof stab-resistant clothes after the stack.
Embodiment 2
1, the RYX90 superhigh molecular weight polyethylene fibers with Ningbo Rongyi Chemical Fibre Technology Co., Ltd.'s production of 400 dawn is placed on the creel; Spindle on the creel is assembled bunchy through behind the creel; Go into static eraser via the static generating apparatus is laggard; Eliminate static, then with superhigh molecular weight polyethylene fibers preheating under 45 ℃ temperature of uniform spreading through overheated path.
2, the fiber after the preheating is imported sizer through the upper glue roller gluing; Adhesive comprises in the upper glue roller: the polystyrene-poly isoprene diblock EVA of the epoxy resin of 10wt%, the neoprene of 6wt%, 5wt%, the DOA of 0.6wt% and No. 120 solvent naphthas (2 of surplus; The 3-diacetyl), making surface density is 135g/cm
2No latitude cloth, the content of adhesive is 38wt% in the no latitude cloth.
3, get 18 layers of step 2 and make no latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, and it is 26Mpa that pressure is set, and temperature is 120 ℃, obtains first composite bed.
4, the method according to step 3 prepares second composite bed.
5, get one deck titanium alloy sheet in addition; At its surface-coated insulation agent; Insulation agent comprises: the alumina silicate powder of the organic siliconresin of 75wt%, the zirconium dioxide of 12wt% and surplus, then this titanium alloy sheet was burnt 30 minutes 350 ℃ of bakings, and form thermal insulation layer on titanium alloy sheet surface;
The thermal coefficient of expansion of test thermal insulation layer is 9.5 * 10
-6/ ℃, with the thermal coefficient of expansion 8.8 * 10 of titanium alloy
-6/ ℃ comparatively approaching, 300 ℃ thermal conductivity is merely 1.34W/mk, has effect of heat insulation preferably.
6, first composite bed that step 3 is made is as skin; The titanium alloy sheet that is covered with thermal insulation layer of getting step 5 is as the intermediate layer, gets second composite bed that step 4 makes as internal layer, and skin, intermediate layer and internal layer are superposeed; Wherein, The titanium alloy face of first composite bed contacts with the titanium alloy in intermediate layer, and the titanium alloy face of second composite bed contacts with the titanium alloy in intermediate layer, obtains bulletproof stab-resistant clothes after the stack.
Embodiment 3
1, the RYX90 superhigh molecular weight polyethylene fibers with Ningbo Rongyi Chemical Fibre Technology Co., Ltd.'s production of 400 dawn is placed on the creel; Spindle on the creel is assembled bunchy through behind the creel; Go into static eraser via the static generating apparatus is laggard; Eliminate static, then with superhigh molecular weight polyethylene fibers preheating under 50 ℃ temperature of uniform spreading through overheated path.
2, the fiber after the preheating is imported sizer through the upper glue roller gluing; Adhesive comprises in the upper glue roller: the polystyrene-poly isoprene diblock EVA of the epoxy resin of 18wt%, the neoprene of 8wt%, 3wt%, the DOA of 1.3wt% and No. 120 solvent naphthas (2 of surplus; The 3-diacetyl), making surface density is 135g/cm
2No latitude cloth, the content of adhesive is 34wt% in the no latitude cloth.
3, get 18 layers of step 2 and make no latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, and it is 26Mpa that pressure is set, and temperature is 120 ℃, obtains first composite bed.
4, the method according to step 3 prepares second composite bed.
5, get one deck titanium alloy sheet in addition; At its surface-coated insulation agent; Insulation agent comprises: the alumina silicate powder of the organic siliconresin of 72wt%, the zirconium dioxide of 14wt% and surplus, then this titanium alloy sheet was burnt 40 minutes 330 ℃ of bakings, and titanium alloy surface forms thermal insulation layer;
The thermal coefficient of expansion of test thermal insulation layer is 9.5 * 10
-6/ ℃, with the thermal coefficient of expansion 8.8 * 10 of titanium alloy
-6/ ℃ comparatively approaching, 300 ℃ thermal conductivity is merely 1.36W/mk, has effect of heat insulation preferably.
6, first composite bed that step 3 is made is as skin; The titanium alloy sheet that is covered with thermal insulation layer of getting step 5 is as the intermediate layer, gets second composite bed that step 4 makes as internal layer, and skin, intermediate layer and internal layer are carried out the limit stack; Wherein, The titanium alloy face of first composite bed contacts with the titanium alloy in intermediate layer, and the titanium alloy face of second composite bed contacts with the titanium alloy in intermediate layer, obtains bulletproof stab-resistant clothes after the stack.
Comparative example 1
1, preparation anti-stabbing lining
With carrying out drying at 110 ℃ behind the PE fiber crimp, dried short fiber is cut into the short fiber of 70mm, short fiber is carried out shredding, combing, with the PE after the combing short carry out three range upon range of add lapping after acupuncture become nonwoven, needling density is 3000 pins/cm
2
Be 150g/cm with using the arrow shaft loom to process surface density after 200 of the PE fiber twisting
2The woven cloth of plain weave shape PE;
Nonwoven and the woven cloth of preparation is imported the gluing groove successively carry out gluing; Adhesive comprises: No. 120 solvent naphthas of the KARTON G-1650 of 20wt%, 5wt% rosin and surplus; The content of adhesive is 12wt% in the nonwoven, and the content of adhesive is 20wt% in the woven cloth;
It is hot-forming that nonwoven after woven cloth after the gluing and the 3 layers of gluing is carried out sending into hydraulic press after superimposed, and hot pressing temperature is that 100 ℃, pressure are that 8Mpa, hot pressing time are 10min, makes anti-stabbing lining.
2, the anti-stabbing lining that step 1 is made is compound with figure WLL, polyethylene board, air plastic plate and aluminium alloy plate successively.
The bulletproof stab-resistant clothes of embodiment 1～3 and comparative example 1 preparation is carried out the anti-stab performance first time, ballistic performance test for the first time successively, and anti-stab The performance test results is listed in table 1 for the first time, and the ballistic performance test result is listed in table 2 for the first time.The sample that will pass through above-mentioned test then carries out the anti-stab performance second time, ballistic performance test for the second time more successively, and anti-stab The performance test results is listed in table 3 for the second time, and the ballistic performance test result is listed in table 4 for the second time.
Table 1 is anti-stab The performance test results for the first time
Table 2 is the ballistic performance test result for the first time
Table 3 is anti-stab The performance test results for the second time
Table 4 is the ballistic performance test result for the second time
The bulletproof anti-puncturing face clothes of comparative example 1 preparation are comparatively heavy, and because anti-stab and the shellproof combination property of tool not, when carrying out that the first time, ballistic performance was tested; Outermost anti-stabbing lining is damaged, and there has been breach in the lining surface, when carrying out the second time anti-stab performance test; The anti-stab performance of anti-stabbing lining weakens greatly; Cutter has thrust the air plastic plate, and the shock-absorbing capacity of cloth is damaged, and then when carrying out the second time shellproof test; Make the bulletproof ability of bulletproof stab-resistant clothes mainly only depend on aluminium alloy plate to provide, bulletproof effect is relatively poor.And the bulletproof anti-puncturing lining of the present invention preparation light weight not only; Damaged situation all not taking place in the process of testing, have excellent anti-stab and shellproof combination property, can resist repeatedly attacking; Meet alert standard, be applicable to adverse circumstances complicated and changeable with bounce-back clothing and anti-stab clothing.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. the preparation method of a bulletproof stab-resistant clothes is characterized in that, comprising:
A, with superhigh molecular weight polyethylene fibers uniform spreading and preheating;
B, on the superhigh molecular weight polyethylene fibers after the preheating adhesive coating and dry, making surface density is 135g/cm
2Individual layer do not have latitude cloth;
C, get 18 layers of said individual layer and do not have latitude cloth and superpose mutually, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth, and above-mentioned 18 layers of no latitude cloth and the hot pressing of 1 layer of titanium alloy sheet are compound, obtains first composite bed;
D, repeating step c obtain second composite bed;
E, said first composite bed, 1 layer of titanium alloy layer and second composite bed are superposeed; Make bulletproof stab-resistant clothes, said first composite bed forms skin, and the titanium alloy sheet forms the intermediate layer; Second composite bed forms internal layer, and the titanium alloy face of first composite bed contacts with the intermediate layer.
2. method according to claim 1 is characterised in that, the elastic modelling quantity of said superhigh molecular weight polyethylene fibers is 500g/d～650g/d.
3. method according to claim 1 is characterized in that, said titanium alloy is Ti-6Al-4V or Ti-5Al-2.5Sn.
4. method according to claim 1; It is characterized in that said adhesive comprises: the polystyrene diblock EVA of the epoxy resin of 6wt%～20wt%, the neoprene of 5wt%～10wt%, 2wt%～5wt%, the plasticizer of 0.5wt%～1.5wt% and the solvent of surplus.
5. method according to claim 4 is characterized in that, with said first composite bed, 1 layer of titanium alloy sheet and second composite bed with before superposeing, also comprises:
At titanium alloy sheet surface-coated thermal insulation layer, said thermal insulation layer comprises: the aluminium silicate powder of the organic siliconresin of 70wt%～80wt%, the zirconium dioxide of 10wt%～15wt% and 8wt%～12wt%.
6. method according to claim 5 is characterized in that, also comprises: in the laminated processing of waxing of the no latitude cloth of said first composite bed.
7. bulletproof stab-resistant clothes; It is characterized in that; Comprise successively from outside to inside: first composite bed, intermediate layer and second composite bed, said intermediate layer are 1 layer of titanium alloy sheet, and said first composite bed and second composite bed all comprise from outside to inside successively: 18 aspect density are 135g/cm
2No latitude cloth and 1 layer of titanium alloy sheet, fiber is 0 °/20 ° arrangements in the adjacent no latitude cloth.
8. bulletproof stab-resistant clothes according to claim 7; It is characterized in that the adhesive in the said no latitude cloth comprises: the polystyrene diblock EVA of the epoxy resin of 6wt%～20wt%, the neoprene of 5wt%～10wt%, 2wt%～5wt%, the plasticizer of 0.5wt%～1.5wt% and the solvent of surplus.
9. bulletproof stab-resistant clothes according to claim 8; It is characterized in that; Said interlayer surfaces is coated with thermal insulation layer, and said thermal insulation layer comprises: the aluminium silicate powder of the organic siliconresin of 70wt%～80wt%, the zirconium dioxide of 10wt%～15wt% and 8wt%～12wt%.
10. bulletproof stab-resistant clothes according to claim 9 is characterized in that, the laminated Wax-coated layer of the no latitude cloth of said first composite bed.
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| CN103727843A (en) * | 2013-08-02 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Self-healing bulletproof composite material |
| CN110527933A (en) * | 2019-10-16 | 2019-12-03 | 中国航空制造技术研究院 | A kind of preparation method of titanium composite material thermal protection stressed-skin construction |
| CN111546713A (en) * | 2020-05-14 | 2020-08-18 | 上海联博安防器材股份有限公司 | Bulletproof flashboard and method for combining PE laminated board and paint thereof |
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| CN102435102B (en) | 2014-11-19 |
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