CN103556468A - Ultra-high molecular weight polyethylene fiber geogrid and preparation method thereof - Google Patents
Ultra-high molecular weight polyethylene fiber geogrid and preparation method thereof Download PDFInfo
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- CN103556468A CN103556468A CN201310569847.7A CN201310569847A CN103556468A CN 103556468 A CN103556468 A CN 103556468A CN 201310569847 A CN201310569847 A CN 201310569847A CN 103556468 A CN103556468 A CN 103556468A
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Abstract
The invention discloses an ultra-high molecular weight polyethylene fiber geogrid which comprises the following components in parts by weight: 95 parts of ultra-high molecular weight polyethylene fiber and 5 parts of surface coatings, wherein the surface coatings are composed of asphalt and acrylate polymers, and the mass ratio of the asphalt to the acrylate polymers is 2:3. According to the ultra-high molecular weight polyethylene fiber geogrid disclosed by the invention, the ultra-high molecular weight polyethylene fiber is used as a base material of the geogrid, and the specially-made surface coatings are combined on the ultra-high molecular weight polyethylene fiber, so that the obtained geogrid is good in acid-base resistance, wear resistance and weather resistance, excellent in mechanical property, long in service life, capable of being used at the environment temperature of 50 DEG C below zero to 60 DEG C, wide in application range and easy for industrial production. The ultra-high molecular weight polyethylene fiber geogrid is used for reinforcing weak subgrade base materials of various high-grade roads and railways, ribbing, isolating and reinforcing soft soil foundations of dams and river channels in hydraulic engineering and can be used for enhancing the reinforcing effect and the protective capability and improving the bearing capacity and stability of the foundations; the ultra-high molecular weight polyethylene fiber geogrid is used for ribbing the side slopes of embankments and retaining walls, so that the whole strength is greatly increased.
Description
Technical field
The present invention relates to polymer science field, especially a kind of superhigh molecular weight polyethylene fibers geo-grid and preparation method thereof.
Background technology
Geo-grid is mainly used for various advanced roads, and the weak subgrade of railway strengthens the different base soil material in ，Ge road; Dykes and dams in hydraulic engineering, the reinforcement in river course, isolation, reinforcing soft soil basis, strengthen its protective capacities, improves basic bearing capacity and stability; For side slope of embankment reinforcement, retaining wall reinforcement, strengthen bulk strength.
At present, fiber earthwork grid is mainly to adopt glass fibre, polyster fibre and polypropylene fibre to adopt through compiling oriented structure, combining with the binding of high-intensity fiber long filament without case of bending, crosspoint each other through, weft yams in fabric, form firmly binding site and be prepared into.Due to glass fibre poor toughness, in work progress, easily lose, also easily by the sharp stone corner angle in concrete, cut off; Polyster fibre is acid and alkali-resistance not, and under acidity or alkali condition, easily degraded, causes properties of product to worsen fast, and impact is used; And the poor use of polypropylene fibre mechanical property is limited.
Summary of the invention
The object of the invention is: a kind of super superhigh molecular weight polyethylene fibers geo-grid and preparation method thereof is provided, its acid and alkali-resistance, wear-resisting, good weatherability, the excellent long service life of mechanical property, to overcome the deficiencies in the prior art.
The present invention is achieved in that superhigh molecular weight polyethylene fibers geo-grid, calculates by weight, comprises superhigh molecular weight polyethylene fibers 10-100 part and 1-5 part face coat; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 1-9:1-9.
Described acrylate polymer is one or more any combination in the polymer of methyl acrylate, ethyl acrylate, 2-methyl methacrylate and ethyl 2-methacrylate, butyl acrylate or acrylic acid-2-ethyl caproite.
Also comprise polyster fibre 1-90 part polyster fibre.
Also comprise polypropylene fiber 1-90 part polypropylene fiber.
Also comprise glass fibre 1-90 part polypropylene fiber.
Also comprise carbon fiber 1-90 part polypropylene fiber.
The preparation method of superhigh molecular weight polyethylene fibers geo-grid, gets each component by above-mentioned parts by weight, by pitch and acrylate polymer mixture, adopts high-speed emulsifying machine to carry out emulsification mixing, standby; Superhigh molecular weight polyethylene fibers is immersed in the mixture of pitch and acrylate polymer composition, soak time is 1-2 minute, superhigh molecular weight polyethylene fibers after soaking is taken out and is dried in a vacuum, temperature is dry 10-12 hour under the condition of 50 ℃, and being dried to pitch on superhigh molecular weight polyethylene fibers and the mixture of acrylate polymer is 11-5 part; Superhigh molecular weight polyethylene fibers weaving forming by dry, obtains finished product.
Supermolecule weight polyethylene fiber (UHMWPE fiber) is the third generation low-density high-strength high modulus fiber occurring early 1990s, and its mechanical property is better than the fibrous materials such as aramid fiber, polyster fibre, polypropylene fibre, glass fibre, polyamide fiber.And there is the excellent properties such as UV resistant radiation, resistance to chemical attack (particularly acid-alkali-corrosive-resisting), the shock resistance that specific energy absorption is high, dielectric constant is low, coefficient of friction is low and outstanding, anti-cutting.UHMWPE fiber is at present by a large number for making soft ballistic protective clothing, Anti-assassinate clothes, lightweight bulletproof helmet, radome, armoured van bulletproof armour, helicopter bulletproof armour, naval vessels and foreign-going ship hawser, lightweight high-pressure bottle, space flight and aviation structural member, stormy waves resistant net cage for deep sea, fishing net, racing boat, sailing boat, ski etc.The performance of UHMWPE fiber excellence, along with the reduction of production cost will make its range of application constantly expand.
Owing to having adopted above-mentioned technical scheme, the present invention adopts superhigh molecular weight polyethylene fibers as the basic material of geo-grid, and on superhigh molecular weight polyethylene fibers in conjunction with special face coat, the geo-grid acid and alkali-resistance obtaining, wear-resisting, good weatherability, the excellent long service life of mechanical property, can under the environment temperature of-50-60 ℃, use, the scope of application is wider, is easy to suitability for industrialized production.For strengthening the weak subgrade base soil material of the different advanced road in each road and railway, the dykes and dams in hydraulic engineering, the reinforcement in river course, isolation, reinforcing soft soil basis, can improve and strengthen effect and protective capacities thereof, improves basic bearing capacity and stability; For side slope of embankment reinforcement, retaining wall reinforcement, significantly strengthen bulk strength.And preparation method of the present invention is simple, and material source is extensive, with low cost, is suitable for suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is that product of the present invention forms schematic diagram.
The specific embodiment
Embodiments of the invention 1: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 95 parts of superhigh molecular weight polyethylene fibers and 5 parts of face coats; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 2:3.
Described acrylate polymer is one or more any combination in the polymer of methyl acrylate, ethyl acrylate, 2-methyl methacrylate and ethyl 2-methacrylate, butyl acrylate or acrylic acid-2-ethyl caproite.
The preparation method of superhigh molecular weight polyethylene fibers geo-grid, gets each component by above-mentioned parts by weight, by pitch and acrylate polymer mixture, adopts high-speed emulsifying machine to carry out emulsification mixing, standby; Superhigh molecular weight polyethylene fibers is immersed in the mixture of pitch and acrylate polymer composition, soak time is 1-2 minute, superhigh molecular weight polyethylene fibers after soaking is taken out and is dried in a vacuum, temperature is dry 10-12 hour under the condition of 50 ℃, and being dried to pitch on superhigh molecular weight polyethylene fibers and the mixture of acrylate polymer is 11-5 part; Superhigh molecular weight polyethylene fibers weaving forming by dry, obtains finished product.
Embodiments of the invention 2: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 50 parts of superhigh molecular weight polyethylene fibers, 25 parts of polyster fibres, 25 parts and 5 parts face coats of polypropylene fiber; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 2:3.
Embodiments of the invention 3: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 10 parts of superhigh molecular weight polyethylene fibers, 10 parts, glass fibre, 10 parts and 1 part face coat of polypropylene fiber; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 1:1.
Embodiments of the invention 4: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 30 parts of superhigh molecular weight polyethylene fibers, 50 parts, glass fibre, 35 parts and 4 parts face coats of polyster fibre; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 9:1.
Embodiments of the invention 5: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 60 parts of superhigh molecular weight polyethylene fibers, 70 parts, glass fibre, 40 parts and 3 parts face coats of carbon fiber; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 1:9.
Embodiments of the invention 6: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 70 parts of superhigh molecular weight polyethylene fibers, 45 parts of polyster fibres, 20 parts and 1 part face coat of carbon fiber; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 3:5.
Embodiments of the invention 7: superhigh molecular weight polyethylene fibers geo-grid, calculate by weight, comprise 100 parts of superhigh molecular weight polyethylene fibers, 90 parts, carbon fiber, 10 parts and 2 parts face coats of polypropylene fiber; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 8:2.
Claims (7)
1. a superhigh molecular weight polyethylene fibers geo-grid, is characterized in that: calculate by weight, comprise superhigh molecular weight polyethylene fibers 10-100 part and 1-5 part face coat; Face coat is comprised of pitch and acrylate polymer, and the mass ratio of pitch and acrylate polymer is 1-9:1-9.
2. superhigh molecular weight polyethylene fibers geo-grid according to claim 1, is characterized in that: described acrylate polymer is one or more any combination in the polymer of methyl acrylate, ethyl acrylate, 2-methyl methacrylate and ethyl 2-methacrylate, butyl acrylate or acrylic acid-2-ethyl caproite.
3. superhigh molecular weight polyethylene fibers geo-grid according to claim 1, is characterized in that: also comprise polyster fibre 1-90 part polyster fibre.
4. superhigh molecular weight polyethylene fibers geo-grid according to claim 1, is characterized in that: also comprise polypropylene fiber 1-90 part polypropylene fiber.
5. superhigh molecular weight polyethylene fibers geo-grid according to claim 1, is characterized in that: also comprise glass fibre 1-90 part polypropylene fiber.
6. superhigh molecular weight polyethylene fibers geo-grid according to claim 1, is characterized in that: also comprise carbon fiber 1-90 part polypropylene fiber.
7. a preparation method for superhigh molecular weight polyethylene fibers geo-grid as claimed in claim 1, is characterized in that: by above-mentioned parts by weight, get each component, by pitch and acrylate polymer mixture, employing high-speed emulsifying machine carries out emulsification mixing, standby; Superhigh molecular weight polyethylene fibers is immersed in the mixture of pitch and acrylate polymer composition, soak time is 1-2 minute, superhigh molecular weight polyethylene fibers after soaking is taken out and is dried in a vacuum, temperature is dry 10-12 hour under the condition of 50 ℃, and being dried to pitch on superhigh molecular weight polyethylene fibers and the mixture of acrylate polymer is 11-5 part; Superhigh molecular weight polyethylene fibers weaving forming by dry, obtains finished product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818704A (en) * | 2015-05-24 | 2015-08-05 | 贵州蓝图新材料股份有限公司 | Poly-p-phenylenebenzobisthiazole (PBO) high-strength geogrid |
| CN105401442A (en) * | 2015-11-30 | 2016-03-16 | 泰安路德工程材料有限公司 | Method for processing coating of ultra-high-molecular-weight polyethylene fiber grating net |
| CN105839285A (en) * | 2016-03-24 | 2016-08-10 | 江苏工程职业技术学院 | High-strength bi-axial warp-knitting composite earthwork cloth production method |
| CN106087644A (en) * | 2016-06-20 | 2016-11-09 | 昆明赛鼎科技有限公司 | A kind of pavement crack repairs net and weaving method thereof and application |
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| CN2390910Y (en) * | 1999-09-29 | 2000-08-09 | 江苏九鼎集团股份有限公司 | Self-adhesive reinforcement geotechnical grating |
| CN2417192Y (en) * | 1999-09-29 | 2001-01-31 | 江苏九鼎集团股份有限公司 | Earthworking grille made of machine weaved glass fiber |
| CN101255686A (en) * | 2008-02-29 | 2008-09-03 | 上海新纺织产业用品有限公司 | High-strength earth work grille net |
| CN201924335U (en) * | 2010-12-30 | 2011-08-10 | 武向晖 | High-strength composite fiber geogrid |
| KR101114267B1 (en) * | 2011-08-05 | 2012-02-14 | 일양산업 주식회사 | Eco-geogrid for preventing crack of asphalt and extension and method thereof |
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2013
- 2013-11-12 CN CN201310569847.7A patent/CN103556468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2390910Y (en) * | 1999-09-29 | 2000-08-09 | 江苏九鼎集团股份有限公司 | Self-adhesive reinforcement geotechnical grating |
| CN2417192Y (en) * | 1999-09-29 | 2001-01-31 | 江苏九鼎集团股份有限公司 | Earthworking grille made of machine weaved glass fiber |
| CN101255686A (en) * | 2008-02-29 | 2008-09-03 | 上海新纺织产业用品有限公司 | High-strength earth work grille net |
| CN201924335U (en) * | 2010-12-30 | 2011-08-10 | 武向晖 | High-strength composite fiber geogrid |
| KR101114267B1 (en) * | 2011-08-05 | 2012-02-14 | 일양산업 주식회사 | Eco-geogrid for preventing crack of asphalt and extension and method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818704A (en) * | 2015-05-24 | 2015-08-05 | 贵州蓝图新材料股份有限公司 | Poly-p-phenylenebenzobisthiazole (PBO) high-strength geogrid |
| CN105401442A (en) * | 2015-11-30 | 2016-03-16 | 泰安路德工程材料有限公司 | Method for processing coating of ultra-high-molecular-weight polyethylene fiber grating net |
| CN105839285A (en) * | 2016-03-24 | 2016-08-10 | 江苏工程职业技术学院 | High-strength bi-axial warp-knitting composite earthwork cloth production method |
| CN106087644A (en) * | 2016-06-20 | 2016-11-09 | 昆明赛鼎科技有限公司 | A kind of pavement crack repairs net and weaving method thereof and application |
| CN106087644B (en) * | 2016-06-20 | 2019-03-12 | 昆明赛鼎科技有限公司 | A kind of pavement crack repairs net and its weaving method and application |
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Application publication date: 20140205 |