CN112046105A - Preparation method of bulletproof anti-sinking material - Google Patents
Preparation method of bulletproof anti-sinking material Download PDFInfo
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- CN112046105A CN112046105A CN202010882030.5A CN202010882030A CN112046105A CN 112046105 A CN112046105 A CN 112046105A CN 202010882030 A CN202010882030 A CN 202010882030A CN 112046105 A CN112046105 A CN 112046105A
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- woven fabric
- polypropylene
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- controlling
- resistant material
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000004743 Polypropylene Substances 0.000 claims abstract description 51
- -1 polypropylene Polymers 0.000 claims abstract description 51
- 229920001155 polypropylene Polymers 0.000 claims abstract description 51
- 239000002759 woven fabric Substances 0.000 claims abstract description 42
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 239000004760 aramid Substances 0.000 claims abstract description 18
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 238000009941 weaving Methods 0.000 claims abstract description 11
- 239000002313 adhesive film Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 238000003475 lamination Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 18
- 239000004417 polycarbonate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a preparation method of a bulletproof dent-resistant material, which comprises the following steps: (1) selecting proper polypropylene protofilament with weaving surface density of 80-90g/m2The twill woven fabric of (1); (2) cutting polypropylene woven fabric into a certain shape, aligning and laminating, totally adding 5 layers of polypropylene woven fabric, sequentially adding a layer of adhesive film and an aramid woven fabric below the 5 layers of polypropylene woven fabric, paving, and compacting by using a flat plate from top to bottom; (3) placing the laminated polypropylene fiber cloth into a mold, adding two layers of iron plates at the upper part and the lower part for pressing, setting the temperature of a vulcanizing press at 160-175 ℃, setting the pressure at 5-15 Mpa, adding 1mm of limit at two sides, pressing for 30-40min, and cooling; (4) the polypropylene sheet was subjected to an ballistic test: thickness of 1mm, surface density of 500-2The depression is reduced by 10mm compared with the conventional PC board; the preparation method adopts the polypropylene twill cloth as a main carrier, and a layer of aramid woven fabric is added on the back surface of the polypropylene twill cloth, so that the polypropylene twill cloth and the aramid woven fabric are effectively combined, the performance is improved through the synergistic effect, and the dent-proof performance is better.
Description
Technical Field
The invention belongs to the technical field of preparation of bulletproof materials, and relates to a preparation method of a bulletproof and dent-resistant material.
Background
The polypropylene fiber has high strength, good toughness and excellent acid and alkali resistance, the yarn is more tightly connected by weaving twill, the machine weaving cloth is integrated by hot press molding of a plate vulcanizing machine, the synergistic effect between layers is increased, the tensile strength is better, aramid fiber is added at the back, the high-temperature erosion of bullets can be effectively resisted, the stretching of the back protrusion is reduced, and the load is dispersed.
Based on the existing preparation process of the ultrahigh molecular weight polyethylene bulletproof composite board, a proper hot press molding process is adopted, the polypropylene fiber woven fabric can be compacted to form an integral sheet, the integral sheet replaces the original polycarbonate sheet as a dent-proof material, the dent-proof effect is better, and the weight is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the preparation method of the bulletproof dent-resistant material is provided.
The technical scheme for solving the technical problems is as follows:
a preparation method of a bulletproof dent-resistant material comprises the following specific process steps:
(1) polypropylene woven fabric knitting
Selecting proper polypropylene protofilament with weaving surface density of 80-90g/m2The twill woven fabric of (1);
(2) ply
Cutting the polypropylene woven fabric obtained in the step (1) into a certain shape, aligning and laminating, sequentially adding a layer of adhesive film below the 5 layers of polypropylene woven fabric, adding a layer of aramid woven fabric, paving, and compacting by using a flat plate from top to bottom, wherein the 5 layers of polypropylene woven fabric are totally 5 layers of polypropylene woven fabric;
(3) lamination molding
Placing the laminated polypropylene fiber cloth into a mold, adding two layers of iron plates at the upper part and the lower part for pressing, setting the temperature of a vulcanizing press at 160-175 ℃, setting the pressure at 5-15 Mpa, adding 1mm of limit at two sides, pressing for 30-40min, and cooling;
(4) the prepared polypropylene sheet is subjected to an antielastic test
Thickness of 1mm, surface density of 500-2The depression was reduced by 10mm compared to a conventional PC board.
The invention further defines the technical scheme as follows:
in the preparation method of the bulletproof and dent-resistant material, the adhesive film in the step (2) is an EVA adhesive film.
In the preparation method of the bulletproof dent-resistant material, the titer of the polypropylene protofilament in the step (1) is 900dtex, the strength is about 4.5cN/dtex, and the modulus is 67 cN/dtex.
In the preparation method of the bulletproof dent-resistant material, the surface density of the twill woven fabric in the step (1) is 85 +/-2 g/m2。
In the preparation method of the bulletproof dent-resistant material, the aramid woven fabric is woven by yarn with the fineness of 1100 dtex.
In the preparation method of the bulletproof and dent-resistant material, the aramid woven fabric in the step (2) is plain weave, and the surface density is 180-2。
In the preparation method of the bulletproof and anti-sinking material, the cloth cover density of the aramid woven cloth is 200g/m2。
In the preparation method of the bulletproof and dent-resistant material, the laminating process in the step (3) is divided into four sections of hot pressing, and specifically comprises the following steps:
the first stage is as follows: controlling the temperature of the plate vulcanizing machine at 165 ℃, controlling the pressure at 5Mpa and controlling the time at 1200 s; and a second stage: controlling the temperature of the plate vulcanizing machine at 170 ℃, the pressure of 10Mpa and the time of 1200 s; and a third stage: controlling the temperature of the plate vulcanizing machine at 175 ℃, controlling the pressure at 15Mpa and controlling the time at 600 s; in the fourth stage, the pressure is controlled at 15MPa and then the temperature is cooled to room temperature.
The invention has the beneficial effects that:
the invention adopts the polypropylene fiber as the main anti-sinking material, has small density and light weight, can not greatly increase the whole weight of the bulletproof sinking material, adopts the weaving method of the twill weaving method, leads the yarn to be closely arranged by the twill weaving, leads the fabric to be thicker, and leads the sheet to have better anti-sinking performance by integral lamination with the aramid plain weaving machine.
The large polypropylene fiber selected by the invention is imported material polypropylene protofilament with titer of 900dtex, strength of about 4.5cN/dtex, modulus of 67cN/dtex, and strength of 5-6 times of domestic polypropylene fiber.
The invention takes polypropylene fiber woven cloth as a main body material, a layer of aramid fiber woven cloth is added on the back surface of the polypropylene fiber woven cloth, and the polypropylene fiber woven cloth is made into a sheet with a certain thickness under the conditions of certain temperature, pressure and time, so that the sinking caused by bullet impact can be effectively reduced.
The polypropylene is one of the lightest varieties in the existing plastics, has good mechanical property, and has good bending fatigue resistance at room temperature due to high regularity of the molecular structure of the polypropylene, and the twill weaving method is adopted in the invention, so that the gaps between warp yarns and weft yarns are smaller, the yarns can be closely arranged, thus the fabric is thicker and has better elasticity than plain weave, and better buffer energy can be realized after bullet impact; after interlayer hot-pressing fusion, the toughness is increased, and the impact strength is further improved; and a layer of aramid plain cloth is added on the back surface, and the polypropylene sheet is stretched and bound in the bullet impact process.
The invention relates to a preparation method of a bulletproof dent-resistant material, which is applied to body armor to reduce dents, and polypropylene fiber cloth and aramid fiber cloth are compounded and integrally molded through lamination and hot press molding.
Detailed Description
Example 1
The embodiment provides a preparation method of a bulletproof dent-resistant material, which comprises the following specific process steps:
(1) polypropylene woven fabric knitting
Selecting proper polypropylene protofilament with weaving surface density of 85 +/-2 g/m2The twill woven fabric of (1);
(2) ply
Cutting the polypropylene woven fabric obtained in the step (1) into a certain shape, aligning and laminating, wherein 5 layers of polypropylene woven fabric are totally arranged, the polypropylene cloth is twill, a layer of adhesive film is sequentially added below the 5 layers of polypropylene woven fabric, a layer of aramid woven fabric (the aramid woven fabric is plain woven fabric) is added, the aramid woven fabric is paved and compacted by a flat plate from top to bottom, and the structure is a layer of aramid woven fabric, 1 layer of EVA adhesive film and 5 layers of polypropylene twill cloth from bottom to top;
(3) lamination molding
Putting the laminated polypropylene fiber cloth into a mold, adding two layers of iron plates from top to bottom for pressing, setting the temperature to 175 ℃ according to the requirements of a hot pressing process, heating the mold, monitoring the temperature in the process, adjusting the pressure and time according to each section of temperature in time, cooling to room temperature after the equal pressing is finished, and cooling specifically comprises the following steps:
the lamination forming process is divided into four stages of hot pressing, wherein the first stage comprises the following steps: controlling the temperature of the plate vulcanizing machine at 165 ℃, controlling the pressure at 5Mpa and controlling the time at 1200 s; and a second stage: controlling the temperature of the plate vulcanizing machine at 170 ℃, the pressure of 10Mpa and the time of 1200 s; and a third stage: controlling the temperature of the plate vulcanizing machine at 175 ℃, controlling the pressure at 15Mpa and controlling the time at 600 s; fourthly, controlling the pressure to be 15Mpa, and then cooling to the room temperature; (4) the prepared polypropylene sheet is subjected to an antielastic test
The thickness is measured to be 1mm, and the recess is reduced by 10mm compared with the 0.5mm PC (or random PC on the market) plate currently used by us.
In this example, the polypropylene filaments in step (1) had a titer of 900dtex, a strength of about 4.5cN/dtex and a modulus of 67 cN/dtex.
In this example, the aramid woven fabric was woven with a yarn having a fineness of 1100 dtex.
In the embodiment, the aramid woven fabric is plain woven fabric with the surface density of 200g/m2。
According to the bulletproof structure of the prior bulletproof vest, the polycarbonate sheet is taken away and replaced by the polypropylene fiber sheet which is used as the material for resisting the dent, and the gunshot test is carried out.
Anti-dishing effect: 1 layer of bulletproof and anti-sinking material is put on the close-fitting surface of the bulletproof vest chip, the thickness of the material is 1mm, and the surface density is 0.5kg/m2And the sinking ratio after the gun impact test is reduced by 25 percent compared with the original base.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (8)
1. A preparation method of a bulletproof dent-resistant material is characterized by comprising the following specific process steps:
(1) polypropylene woven fabric knitting
Selecting proper polypropylene protofilament with weaving surface density of 80-90g/m2The twill woven fabric of (1);
(2) ply
Cutting the polypropylene woven fabric obtained in the step (1) into a certain shape, aligning and laminating, sequentially adding a layer of adhesive film below the 5 layers of polypropylene woven fabric, adding a layer of aramid woven fabric, paving, and compacting by using a flat plate from top to bottom, wherein the 5 layers of polypropylene woven fabric are totally 5 layers of polypropylene woven fabric;
(3) lamination molding
Placing the laminated polypropylene fiber cloth into a mold, adding two layers of iron plates at the upper part and the lower part for pressing, setting the temperature of a vulcanizing press at 160-175 ℃, setting the pressure at 5-15 Mpa, adding 1mm of limit at two sides, pressing for 30-40min, and cooling;
(4) the prepared polypropylene sheet is subjected to an antielastic test
Thickness of 1mm, surface density of 500-2The depression was reduced by 10mm compared to a conventional PC board.
2. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the adhesive film in the step (2) is an EVA adhesive film.
3. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: in the step (1), the titer of the polypropylene protofilament is 900dtex, the strength is about 4.5cN/dtex, and the modulus is 67 cN/dtex.
4. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the surface density of the twill woven fabric in the step (1) is 85 +/-2 g/m2。
5. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the aramid fiber woven fabric is woven by yarn with the fineness of 1100 dtex.
6. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the aramid woven fabric in the step (2) is plain woven fabric with the surface density of 180-2。
7. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the density of the aramid woven cloth is 200g/m2。
8. A process for the preparation of a ballistic resistant debossment resistant material as claimed in claim 1, characterized in that: the lamination forming process in the step (3) is divided into four sections of hot pressing, and specifically comprises the following steps:
the first stage is as follows: controlling the temperature of the plate vulcanizing machine at 165 ℃, controlling the pressure at 5Mpa and controlling the time at 1200 s; and a second stage: controlling the temperature of the plate vulcanizing machine at 170 ℃, the pressure of 10Mpa and the time of 1200 s; and a third stage: controlling the temperature of the plate vulcanizing machine at 175 ℃, controlling the pressure at 15Mpa and controlling the time at 600 s; in the fourth stage, the pressure is controlled at 15MPa and then the temperature is cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882030.5A CN112046105A (en) | 2020-08-28 | 2020-08-28 | Preparation method of bulletproof anti-sinking material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010882030.5A CN112046105A (en) | 2020-08-28 | 2020-08-28 | Preparation method of bulletproof anti-sinking material |
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| Publication Number | Publication Date |
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| CN112046105A true CN112046105A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010882030.5A Pending CN112046105A (en) | 2020-08-28 | 2020-08-28 | Preparation method of bulletproof anti-sinking material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578370A (en) * | 1990-02-02 | 1996-11-26 | Don & Low (Holdings) Limited | Molecularly interspersed thermoplastic composite mat |
| CN1902462A (en) * | 2004-01-01 | 2007-01-24 | 帝斯曼知识产权资产管理有限公司 | Ballistic-resistant article |
| CN101203377A (en) * | 2005-06-23 | 2008-06-18 | 帝人芳纶有限公司 | Laminating bulletproof trauma prevention combination |
| CN108351191A (en) * | 2015-11-13 | 2018-07-31 | 帝斯曼知识产权资产管理有限公司 | Impact resistance composite material |
-
2020
- 2020-08-28 CN CN202010882030.5A patent/CN112046105A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5578370A (en) * | 1990-02-02 | 1996-11-26 | Don & Low (Holdings) Limited | Molecularly interspersed thermoplastic composite mat |
| CN1902462A (en) * | 2004-01-01 | 2007-01-24 | 帝斯曼知识产权资产管理有限公司 | Ballistic-resistant article |
| CN101203377A (en) * | 2005-06-23 | 2008-06-18 | 帝人芳纶有限公司 | Laminating bulletproof trauma prevention combination |
| CN108351191A (en) * | 2015-11-13 | 2018-07-31 | 帝斯曼知识产权资产管理有限公司 | Impact resistance composite material |
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Application publication date: 20201208 |