CN113306219A - Light stab-resistant bulletproof cloth piece and preparation method thereof - Google Patents
Light stab-resistant bulletproof cloth piece and preparation method thereof Download PDFInfo
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- CN113306219A CN113306219A CN202110770699.XA CN202110770699A CN113306219A CN 113306219 A CN113306219 A CN 113306219A CN 202110770699 A CN202110770699 A CN 202110770699A CN 113306219 A CN113306219 A CN 113306219A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H1/00—Personal protection gear
- F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment
- B32B2571/02—Protective equipment defensive, e.g. armour plates or anti-ballistic clothing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention discloses a light stab-resistant and bulletproof cloth piece and a preparation method thereof, wherein the light stab-resistant and bulletproof cloth piece comprises a main body layer, wherein the main body layer is arranged below a first buffer layer, and is used for resisting bullets and stabs; a second buffer layer is arranged below the main body layer, and the first buffer layer and the second buffer layer are respectively arranged on the upper surface and the lower surface of the main body layer; a first protective layer and a second protective layer. According to the light stab-resistant and bulletproof cloth piece and the preparation method thereof, the first buffer layer and the second buffer layer are respectively arranged on the upper surface and the lower surface of the main body layer, so that a good buffer protection effect can be achieved, and the shock resistance and buffer effect of the stab-resistant and bulletproof cloth piece are better; the buffer balls made of plastic foam materials are arranged inside the first buffer layer and the second buffer layer, so that the mass of the whole stab-resistant bulletproof cloth piece can be reduced; the first protective layer and the second protective layer are mainly made of flame-retardant materials, and can protect the whole stab-resistant and bulletproof cloth piece, so that the durability is better.
Description
Technical Field
The invention relates to the technical field of elastic cloth pieces, in particular to a light stab-resistant bulletproof cloth piece and a preparation method thereof.
Background
The bullet cloth piece is used for manufacturing bullet-proof clothes, the bullet-proof clothes can effectively prevent a light weapon from killing a protected area at a medium and long distance, and can play a certain protection role in protecting a heavy machine gun and a shell under certain conditions, so that the death rate is reduced as much as possible, the most important safety sense role is played psychologically, and the earthbound soldiers cannot worry about injury and harm in gun battles, and the bullet cloth piece for manufacturing the bullet-proof clothes and the method for manufacturing the bullet-proof cloth still have certain defects, such as:
the authorization notice number is: CN202329423U, the date of authorized announcement is: 2012.07.11, the utility model discloses a stab-resistant bulletproof garment, which comprises a garment body (A) and a protective layer (B), the protective layer (B) is a protective sleeve (1), a bulletproof layer (3), a stab-resistant layer (2) and a buffer damping layer (4) made of damping material are arranged in the protective sleeve (1), and the bulletproof layer (3) is located the stab-resistant layer (2) and the buffer damping layer (4).
The garment body (A) and the protective layer inner arm (B) in the stab-resistant and bullet-proof garment have heavier overall weight, so that the prepared bullet-proof garment is not portable enough.
If the authorization notice number is: CN101881582B, the date of authorized announcement is: 2015.03.25, the invention discloses a stab-resistant and bulletproof material, which consists of a stab-resistant layer and a bulletproof layer, wherein: the puncture-proof layer is at least one layer, each layer is composed of two units orthogonally compounded by high-strength high-modulus fiber single-orientation prepreg tapes, adjacent units are mutually compounded by rotating 45 degrees, and films are adhered to two sides of the puncture-proof layer; the bulletproof layer is at least one layer, each layer is composed of two units which are orthogonally compounded by fiber single-orientation prepreg tapes, adjacent units are mutually compounded by rotating 90 degrees, and films are bonded on two sides of the bulletproof layer. The invention also provides a preparation method of the stab-resistant and bulletproof material. The stab-resistant and bulletproof material has both stab-resistant and bulletproof functions, thereby reducing the weight of stab-resistant and bulletproof clothes, improving the protection efficiency and being easy to produce.
The stab-resistant and bulletproof material prepared by the method has poor shockproof effect, so that the using effect of the whole stab-resistant and bulletproof clothes is influenced.
Therefore, we propose a lightweight stab and ballistic resistant fabric sheet and a method for preparing the same so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a light stab-resistant and bulletproof cloth piece and a preparation method thereof, and aims to solve the problems that most stab-resistant and bulletproof cloth pieces and the preparation method thereof in the background technology have heavier weight and poorer shockproof and buffering effects.
In order to achieve the purpose, the invention provides the following technical scheme: a light stab-resistant and bulletproof cloth piece and a preparation method thereof comprise the following steps:
the main body layer is arranged below the first buffer layer, and is used for preventing bullets and stabs;
a second buffer layer is arranged below the main body layer, and the first buffer layer and the second buffer layer are respectively arranged on the upper surface and the lower surface of the main body layer;
the first protective layer and the second protective layer are respectively arranged on the upper surface of the first buffer layer and the lower surface of the second buffer layer.
Preferably, the main body layer is composed of ultrahigh molecular weight polyethylene fibers, aramid fibers, carbon fibers and PBO fibers, wherein the proportion of the ultrahigh molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers is 5:3:1: 1.
Preferably, the first buffer layer and the second buffer layer are made of the same internal material and have the same structure, and buffer balls are arranged inside the first buffer layer and the second buffer layer, wherein the surface of each buffer ball is provided with a porous structure, the buffer balls are distributed in the first buffer layer and the second buffer layer in a scattered manner, and the buffer balls are made of plastic foam.
Preferably, the first protective layer and the second protective layer are made of the same material and have the same structure, and are both located on the outermost side of the bulletproof cloth piece.
A preparation method of a light stab-resistant and bulletproof cloth sheet comprises the following steps:
the method comprises the following steps: uniformly mixing the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin, treating the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin at high temperature and high pressure for a period of time, taking out, flattening and cooling to prepare single-layer gauze for later use;
step two: adding the nanoscale dispersed particles into a dispersion medium, uniformly mixing, and stirring at a high speed to prepare a solution;
step three: taking out the solution in the step two, mixing the solution with ethanol to prepare diluted shear thickening liquid, and putting the prepared solution in a vacuum drying oven;
step four: uniformly mixing the single-layer gauze prepared in the step one with the plastic foam with the surface provided with the porous structure, and treating for a period of time in a dipping mode;
step five: performing plastic package molding on the mixed solution processed in the fourth step to prepare a first buffer layer and a second buffer layer;
step six: spraying liquid adhesive on the single-layer gauze prepared in the step one, laying a first buffer layer and a second buffer layer on the upper surface and the lower surface of the single-layer gauze, spraying liquid adhesive on the surface of the first buffer layer and the surface of the second buffer layer, laying a first protective layer and a second protective layer on the upper surface of the first buffer layer and the lower surface of the second buffer layer respectively, and performing one-time hot press molding by using a hot roller or a hot flat plate to prepare the stab-resistant and spring-proof sheet.
Preferably, the assistant environment of the ultra-high molecular weight polyethylene fibers, aramid fibers, carbon fibers and PBO fibers and the thermoplastic resin in the step one is as follows: the temperature is controlled to be 100-150 ℃, the hot pressing pressure is controlled to be 2-150 MPa, and the processing time is 2-15 minutes;
the thickness of the single-layer gauze prepared in the step one is more than 0.01 mm.
Preferably, the mass ratio of the nanoscale dispersed particles to the dispersed medium in the second step is 1: 1.5-1: 5, the temperature of the vacuum drying oven in the third step is controlled to be 20-60 ℃, and the drying time is 2-7 hours.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the light stab-resistant and bulletproof cloth piece and the preparation method thereof, the first buffer layer and the second buffer layer are respectively arranged on the upper surface and the lower surface of the main body layer, so that a good buffer protection effect can be achieved, and the shock resistance and buffer effect of the stab-resistant and bulletproof cloth piece are better;
2. the buffer balls made of plastic foam materials are arranged inside the first buffer layer and the second buffer layer, so that the overall quality of the stab-resistant and bulletproof cloth piece can be reduced, the prepared bulletproof clothes are lighter in weight and convenient to wear;
3. the first protective layer and the second protective layer are arranged on the outer sides of the first buffer layer and the second buffer layer respectively, wherein the first protective layer and the second protective layer are mainly made of flame-retardant materials, and can protect the whole stab-resistant and bulletproof cloth piece, so that the durability is better.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a first buffer layer and a buffer ball according to the present invention.
In the figure: 1. a body layer; 2. a first buffer layer; 201. a buffer ball; 3. a second buffer layer; 4. a first protective layer; 5. and a second protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a light stab-resistant and bulletproof cloth piece and a preparation method thereof comprise a main body layer 1, a first buffer layer 2, a buffer ball 201, a second buffer layer 3, a first protective layer 4 and a second protective layer 5, wherein the main body layer 1 is arranged below the first buffer layer 2, and the main body layer 1 is used for preventing bullets and stabs; a second buffer layer 3 is arranged below the main body layer 1, and the first buffer layer 2 and the second buffer layer 3 are respectively arranged on the upper surface and the lower surface of the main body layer 1; the first protective layer 4 and the second protective layer 5 are respectively arranged on the upper surface of the first buffer layer 2 and the lower surface of the second buffer layer 3;
furthermore, the main body layer 1 is composed of ultrahigh molecular weight polyethylene fibers, aramid fibers, carbon fibers and PBO fibers, wherein the proportion of the ultrahigh molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers is 5:3:1: 1.
In a further aspect of the present invention, the first buffer layer 2 and the second buffer layer 3 have the same internal material and structure, and the buffer balls 201 are disposed inside both the first buffer layer 2 and the second buffer layer 3, wherein the surface of the buffer balls 201 has a porous structure, the buffer balls 201 are distributed in the first buffer layer 2 and the second buffer layer 3 in a scattered manner, and the buffer balls 201 are made of plastic foam.
Furthermore, the first protective layer 4 and the second protective layer 5 have the same internal material and structure, and both the first protective layer 4 and the second protective layer 5 are positioned at the outermost side of the bulletproof cloth sheet.
A preparation method of a light stab-resistant bulletproof cloth sheet is characterized by comprising the following steps: the preparation method of the light stab-resistant and bulletproof cloth sheet comprises the following steps:
the method comprises the following steps: uniformly mixing the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin, treating the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin at high temperature and high pressure for a period of time, taking out, flattening and cooling to prepare single-layer gauze for later use;
step two: adding the nanoscale dispersed particles into a dispersion medium, uniformly mixing, and stirring at a high speed to prepare a solution;
step three: taking out the solution in the step two, mixing the solution with ethanol to prepare diluted shear thickening liquid, and putting the prepared solution in a vacuum drying oven;
step four: uniformly mixing the single-layer gauze prepared in the step one with the plastic foam with the surface provided with the porous structure, and treating for a period of time in a dipping mode;
step five: performing plastic package molding on the mixed solution processed in the fourth step to obtain a first buffer layer 2 and a second buffer layer 3;
step six: spraying a liquid adhesive on the single-layer gauze prepared in the step one, laying a first buffer layer 2 and a second buffer layer 3 on the upper surface and the lower surface of the single-layer gauze, spraying a liquid adhesive on the surface of the first buffer layer 2 and the surface of the second buffer layer 3, respectively laying a first protective layer 4 and a second protective layer 5 on the upper surface of the first buffer layer 2 and the lower surface of the second buffer layer 3, and performing one-time hot press molding by using a hot roller or a hot flat plate to prepare the stab-resistant and spring-proof sheet.
In a further aspect of the present invention, in the first step, the assistant environment of the ultra-high molecular weight polyethylene fiber, the aramid fiber, the carbon fiber, the PBO fiber and the thermoplastic resin is: the temperature is controlled to be 100-150 ℃, the hot pressing pressure is controlled to be 2-150 MPa, and the processing time is 2-15 minutes;
the thickness of the single-layer gauze prepared in the step one is more than 0.01 mm.
The invention further provides that the mass ratio of the nano-scale dispersed particles to the dispersed medium in the second step is 1: 1.5-1: 5, the temperature of the vacuum drying oven in the third step is controlled at 20-60 ℃, and the drying time is 2-7 hours.
Example (b):
uniformly mixing the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with thermoplastic resin, treating for 8 minutes in an environment with the temperature of 120 ℃ and the hot pressing pressure of 80MPa, taking out, flattening and cooling to prepare single-layer gauze for later use;
adding the nano-scale dispersed particles into a dispersion medium, uniformly mixing to prepare a solution, and placing the prepared solution into a vacuum drying oven with the temperature of 80 ℃ for drying for 4 hours to remove ethanol in the solution;
uniformly mixing the single-layer gauze prepared in the step one with plastic foam with a porous structure arranged on the surface, and performing plastic package molding on the mixed solution after impregnation to prepare a first buffer layer 2 and a second buffer layer 3;
spraying a liquid adhesive on the single-layer gauze prepared in the step one, laying a first buffer layer 2 and a second buffer layer 3 on the upper surface and the lower surface of the single-layer gauze, spraying a liquid adhesive on the surface of the first buffer layer 2 and the surface of the second buffer layer 3, respectively laying a first protective layer 4 and a second protective layer 5 on the upper surface of the first buffer layer 2 and the lower surface of the second buffer layer 3, and performing one-time hot press molding by using a hot roller or a hot flat plate to prepare the stab-resistant and spring-proof sheet.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A lightweight stab and ballistic resistant fabric sheet comprising:
the main body layer (1), the main body layer (1) is arranged below the first buffer layer (2), wherein the main body layer (1) is used for preventing bullets and stabs;
a second buffer layer (3) is arranged below the main body layer (1), and the first buffer layer (2) and the second buffer layer (3) are respectively arranged on the upper surface and the lower surface of the main body layer (1);
the buffer layer comprises a first protective layer (4) and a second protective layer (5), wherein the first protective layer (4) and the second protective layer (5) are respectively arranged on the upper surface of a first buffer layer (2) and the lower surface of a second buffer layer (3).
2. A lightweight stab and ballistic resistant fabric sheet according to claim 1, wherein: the main body layer (1) is composed of ultrahigh molecular weight polyethylene fibers, aramid fibers, carbon fibers and PBO fibers, wherein the proportion of the ultrahigh molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers is 5:3:1: 1.
3. A lightweight stab and ballistic resistant fabric sheet according to claim 1, wherein: the inside material and the structure of first buffer layer (2) and second buffer layer (3) are the same, and the inside of first buffer layer (2) and second buffer layer (3) all is provided with buffering ball (201), and wherein, the surface of buffering ball (201) is provided with poroid structure to buffering ball (201) is in the inside random distribution of first buffer layer (2) and second buffer layer (3), and the material of buffering ball (201) is plastic foam moreover.
4. A lightweight stab and ballistic resistant fabric sheet according to claim 1, wherein: the first protective layer (4) and the second protective layer (5) are made of the same material and have the same structure, and the first protective layer (4) and the second protective layer (5) are located on the outermost side of the bulletproof cloth piece.
5. A preparation method of a light stab-resistant bulletproof cloth sheet is characterized by comprising the following steps: the preparation method of the light stab-resistant and bulletproof cloth sheet comprises the following steps:
the method comprises the following steps: uniformly mixing the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin, treating the ultra-high molecular weight polyethylene fibers, the aramid fibers, the carbon fibers and the PBO fibers with the thermoplastic resin at high temperature and high pressure for a period of time, taking out, flattening and cooling to prepare single-layer gauze for later use;
step two: adding the nano-scale dispersed particles into a dispersion medium, uniformly mixing, and stirring at a high speed;
step three: taking out the solution in the step two, mixing the solution with ethanol to prepare diluted shear thickening liquid to prepare solution, and putting the prepared solution into a vacuum drying oven;
step four: uniformly mixing the single-layer gauze prepared in the step one with the plastic foam with the surface provided with the porous structure, and treating for a period of time in a dipping mode;
step five: performing plastic package molding on the mixed solution processed in the fourth step to obtain a first buffer layer (2) and a second buffer layer (3);
step six: spraying liquid adhesive on the single-layer gauze prepared in the step one, paving a first buffer layer (2) and a second buffer layer (3) on the upper surface and the lower surface of the single-layer gauze, spraying the liquid adhesive on the surface of the first buffer layer (2) and the surface of the second buffer layer (3), respectively paving a first protective layer (4) and a second protective layer (5) on the upper surface of the first buffer layer (2) and the lower surface of the second buffer layer (3), and performing one-time hot press molding by using a hot roller or a hot flat plate to manufacture the stab-resistant and spring-proof sheet.
6. The method for preparing the light stab and ballistic resistant cloth piece according to claim 5, wherein: in the first step, the assistant environment of the ultra-high molecular weight polyethylene fiber, the aramid fiber, the carbon fiber, the PBO fiber and the thermoplastic resin is as follows: the temperature is controlled to be 100-150 ℃, the hot pressing pressure is controlled to be 2-150 MPa, and the processing time is about 2-15 minutes;
the thickness of the single-layer gauze prepared in the step one is more than 0.01 mm.
7. The method for preparing the light stab and ballistic resistant cloth piece according to claim 5, wherein: the mass ratio of the nanoscale dispersed particles to the dispersion medium in the second step is 1: 1.5-1: 5, the temperature of the vacuum drying oven in the third step is controlled to be 20-60 ℃, and the drying time is 2-7 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770699.XA CN113306219A (en) | 2021-07-08 | 2021-07-08 | Light stab-resistant bulletproof cloth piece and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110770699.XA CN113306219A (en) | 2021-07-08 | 2021-07-08 | Light stab-resistant bulletproof cloth piece and preparation method thereof |
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| CN111811324A (en) * | 2020-07-10 | 2020-10-23 | 上海衡益特陶新材料有限公司 | A kind of lightweight composite armor and its manufacturing method |
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