CN1098158C - Preparation of thermoplastic non-metal antibouncing composite material with high-strength polyvinyl alcohol fiber - Google Patents
Preparation of thermoplastic non-metal antibouncing composite material with high-strength polyvinyl alcohol fiber Download PDFInfo
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- CN1098158C CN1098158C CN99114765A CN99114765A CN1098158C CN 1098158 C CN1098158 C CN 1098158C CN 99114765 A CN99114765 A CN 99114765A CN 99114765 A CN99114765 A CN 99114765A CN 1098158 C CN1098158 C CN 1098158C
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- pva
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- bulletproof
- film
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Reinforced Plastic Materials (AREA)
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Abstract
The present invention relates to a preparation method of thermoplastic non-metal bulletproof composite material with high-strength polyvinyl alcohol (PVA). High-strength PVA fibers are prepared into weftless fabric and plain fabric; thermoplastic resin, such as PE, PU, EVA, PVB, etc., is selected and compounded with aramid fibers to form different structures; a laminated bulletproof board is pressed at 130 to 190 DEG C for 10 to 30 minutes. The laminated bulletproof board is a target board with the area of 15*15cm<2> and the surface density of 9.3 kg/m<2>; the board is made of full PVA fiber composite material; the board has the bulletproof speed of 380 m/s. When the use quantity of the aramid fibers does not exceed 30%, and the bulletproof speed is 420 m/s; whene the use quantity of the aramid fibers does not exceed 50%, the bulletproof speed is 460 m/s (51 type lead cord bullets of 5 type pistols with the shoot of the distance of 5 meters).
Description
The invention belongs to the nonmetallic composite field, is the method for preparing the non-metallic fibers ballistic composite.This method can be used for making military helmet, also can be widely used in building, mine and individual protection field such as anti-riot.
The modern military helmet has experienced the evolution from steel helmet to the fibre reinforced composites helmet.Steel helmet is cheap, but weight is heavier, and shellproof and heat-proof quality is poor, wear uncomfortable, the danger that has secondary fragment to hurt sb.'s feelings.The fiber reinforcement nonmetallic composite helmet mainly contains the nylon helmet, the glass fibre helmet, aramid fibre (Kevlar) helmet, ultra-high molecular weight polyethylene (UHMWPE) helmet etc.The nylon helmet, the overall ballistic performance of the glass helmet are relatively poor; Kevlar helmet bulletproof ability is strong, in light weight, but price is higher.The UHMWPE fiber is the fiber of present mechanical property the best, but price is also high, and the compoiste adhering technical difficulty is big.China also fails ultra-high strong fibers such as suitability for industrialized production Kevlar, UHMWPE at present, and the nonmetal bulletproof composite that the development bulletproof ability is strong, price is fit to China's national situation is to dwindle and world-class gap.China is the country that PVA output is the highest in the world, production process route is more complete, and actual production capacity reached 32.5 ten thousand tons in 1996.At present, the existing brute force of Japan is the PVA commercial fibre of 18g/d.Theory analysis and experimental result show that the intensity of PVA fiber also can further improve.Develop high-strength PVA fiber bulletproof composite,, reduce cost, revitalize national industry, have great importance for improving my army of army helmet protection level.
The objective of the invention is to provide a kind of method of high-strength PVA fiber production thermoplastic non-metal ballistic composite at the deficiencies in the prior art.High-strength PVA fiber is made no latitude cloth and two kinds of forms of plain, select PE, PU, thermoplastic resins such as EVA, PVB,, minute be pressed into the laminating bulletproof plate in temperature 130-190 ℃, 10-30 with the different structure of the compound composition of aramid fibre.
Purpose of the present invention is realized by following technical measures: the 1.PVA one-way fiber does not have the preparation of latitude cloth and plain weave woven cloths
The unidirectional no latitude cloth of PVA is that high-strength PVA fiber and polyethylene (PE), polyurethane (PU) or polyvinyl alcohol (PVA) bonding agent of 18g/d made with brute force, and bonding agent is the 3-10% of fibre weight; The PVA plain is weaved with heavy pound arrow shaft loom.2. the preparation 1 of fibre reinforced composites armour) full PVA fibrous composite armour
This armour is made up of front and back two parts, and forward part does not have latitude cloth with PVA and stacks by orthogonal manner, each interlayer lay PE or ethylene-vinyl acetate copolymer (EVA) film, and film is the 15-40% of fibre weight, is used for bonding; The rear section successively stacks the PVA plain, each interlayer lay polyvinyl butyral resin (PVB) film, film is the 15-40% of fibre weight, fiber becomes with the structural group of binding agent not have latitude cloth/PVA plain with PVA respectively and PE (EVA)/PVB represents, on platen-press in temperature 130-190 ℃, compression moulding in 10-30 minute, 2) PVA/ aromatic polyamides/PVA sandwich structure armour
This armour by before, during and after three parts form, anterior do not have PVA that latitude cloth stacks by orthogonal manner or the PVA plain successively stacks, each interlayer lay PE or eva film, film are the 15-40% of fibre weight; The middle part successively stacks the aromatic polyamides plain, and each interlayer lay PVB or PU film, film are the 15-40% of fibre weight; The rear portion successively stacks the PVA plain, each interlayer lay PVB or PU film, film is the 15-40% of fibre weight, fiber becomes with the structural group of binding agent respectively not have latitude cloth or PVA plain/aramid fibre/PVA plain and PE or EVA/PVB or PU/PVB or PU with PVA and represent, on platen-press in temperature 130-190 ℃, compression moulding in 10-30 minute.
The attack test: the May 4th pistol, 51 formula lead for retractable pencil bullets, 5 meters distance shootings show, are 15 * 15cm to area
2, surface density is 9.3kg/m
2Target plate, full PVA fibrous composite can shellproof fast 380m/s; The aromatic polyamides consumption is no more than 30%, can shellproof fast 420m/s; The aromatic polyamides consumption is no more than 50%, can shellproof fast 460m/s.The target plate outward appearance meets the requirements after the attack, and bulge is little.
The present invention has following advantage: 1. propose first and adopt high-strength PVA fiber to make the fortifying fibre of ballistic composite, for new approaches have been started in the research of shellproof dedicated fiber, can make full use of state-owned resource, to improving the protection level of my army's military helmet, reduce cost, development of national industry is significant.2. adopt PVA do not have latitude cloth or plain/aromatic polyamides/PVA plain sandwich structure and with the mode of resin compounded of the same race not, its bulletproof effect is better than traditional complex method.3. armour adopts the thermoplasticity processing technology, and technology is simple, and defect rate is low, pollutes little.4. the present invention is expected to need the field of individual protection to obtain to use in building, mine and anti-riot etc.
Embodiment:
By the following examples the present invention is specifically described, what be necessary to illustrate is: following examples only are used for the present invention is further specified, and can not be interpreted as limiting the scope of the invention.Those skilled in the art can make some nonessential improvement and adjustment to the present invention by foregoing according to the present invention.1. the mode of not having latitude cloth/PVA plain by PVA stacks, and uses two kinds of thermoplastic resins of PE/PVB bonding respectively, and the average consumption of bonding agent is 18% of a fiber consumption, on platen-press in temperature 130-140 ℃, compression moulding in 20-30 minute.Area is 15 * 15cm
2, surface density is 9.3kg/m
22. the sandwich mode of not having latitude cloth/Kevlar 29/PVA plain by PVA stacks, Kevlar 29 consumptions are 1/3 of fiber total amount, use the PE/PVB/PVB resin bonding respectively, the average consumption of bonding agent is 25% of a fiber consumption, on platen-press in temperature 140-150 ℃, compression moulding in 20-30 minute.Area is 15 * 15cm
2, surface density is 9.3kg/m
23. the sandwich mode by PVA plain/Kevlar 29/PVA plain stacks, Kevlar 29 consumptions are 1/3 of fiber total amount, use the EVA/PU/PU resin bonding respectively, the average consumption of bonding agent is 25% of a fiber consumption, on platen-press in temperature 180-190 ℃, compression moulding in 10-20 minute.Area is 15 * 15cm
2, surface density is 9.3kg/m
24. the sandwich mode of not having latitude cloth/Kevlar 29/PVA plain by PVA stacks, Kevlar 29 consumptions are 1/2 of fiber total amount, use the PE/PVB/PVB resin bonding respectively, the average consumption of bonding agent is 35% of a fiber consumption, on platen-press in temperature 150-160 ℃, compression moulding in 20-30 minute.Area is 15 * 15cm
2, surface density is 9.3kg/m
25. the sandwich mode by PVA plain/Kevlar 29/PVA plain stacks, Kevlar 29 consumptions are 1/2 of fiber total amount, use the EVA/PU/PU resin bonding respectively, the average consumption of bonding agent is 35% of a fiber consumption, on platen-press in temperature 170-180 ℃, compression moulding in 10-20 minute.Area is 15 * 15cm
2, surface density is 9.3kg/m
2
Claims (1)
1. the method for overall height strength polyethylene alcohol fiber production thermoplastic non-metal ballistic composite, it is characterized in that: (1) PVA one-way fiber does not have the preparation of latitude cloth and plain weave woven cloths
The unidirectional no latitude cloth of PVA is that high-strength PVA fiber and polyethylene, polyurethane or the polyvinyl alcohol bonding agent of 18g/d made with brute force, and bonding agent is the 3-10% of fibre weight; The PVA plain is weaved with heavy pound arrow shaft loom; (2) preparation of full PVA fibrous composite armour
This armour is made up of front and back two parts, and forward part does not have latitude cloth with PVA and stacks by orthogonal manner, each interlayer lay PE or ethylene-vinyl acetate copolymer film, and film is the 15-40% of fibre weight, is used for bonding; The rear section successively stacks the PVA plain, each interlayer lay polyvinyl butyral film, film is the 15-40% of fibre weight, fiber becomes with the structural group of binding agent not have latitude cloth/PVA plain and PE or EVA/PVB with PVA respectively and represent, on platen-press in temperature 130-190 ℃, compression moulding in 10-30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99114765A CN1098158C (en) | 1999-04-01 | 1999-04-01 | Preparation of thermoplastic non-metal antibouncing composite material with high-strength polyvinyl alcohol fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99114765A CN1098158C (en) | 1999-04-01 | 1999-04-01 | Preparation of thermoplastic non-metal antibouncing composite material with high-strength polyvinyl alcohol fiber |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02126628 Division CN1250389C (en) | 2002-07-10 | 2002-07-10 | Method for preparing thermoplastic non-metal bulletproof composite material from high-strength polyvinyl alcohol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1269287A CN1269287A (en) | 2000-10-11 |
| CN1098158C true CN1098158C (en) | 2003-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99114765A Expired - Fee Related CN1098158C (en) | 1999-04-01 | 1999-04-01 | Preparation of thermoplastic non-metal antibouncing composite material with high-strength polyvinyl alcohol fiber |
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| Country | Link |
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| CN (1) | CN1098158C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120180940A1 (en) * | 2008-05-14 | 2012-07-19 | Yves Bader | Method to produce stab and ballistic resistant composite structures |
| CN101722698B (en) * | 2009-11-26 | 2013-03-13 | 宁波大成新材料股份有限公司 | Process for preparing ultra-strong polythene weft-less cloth with high-performance inorganic nanometer materials |
| CN102896822B (en) * | 2012-07-03 | 2015-06-17 | 滁州格美特科技有限公司 | High performance lightweight composite sheet material, production method and application |
| CN106247857A (en) * | 2016-10-12 | 2016-12-21 | 北京汽车研究总院有限公司 | A kind of bulletproof composite board and automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748064A (en) * | 1985-01-14 | 1988-05-31 | Allied Corporation | Ballistic-resistant composite article |
| CN1108177A (en) * | 1993-09-06 | 1995-09-13 | 吕特格斯工厂有限公司 | Combined material and preparation of same and adhesive used for same |
-
1999
- 1999-04-01 CN CN99114765A patent/CN1098158C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748064A (en) * | 1985-01-14 | 1988-05-31 | Allied Corporation | Ballistic-resistant composite article |
| CN1108177A (en) * | 1993-09-06 | 1995-09-13 | 吕特格斯工厂有限公司 | Combined material and preparation of same and adhesive used for same |
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| Publication number | Publication date |
|---|---|
| CN1269287A (en) | 2000-10-11 |
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