CN103476994A - Barrier system - Google Patents
Barrier system Download PDFInfo
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- CN103476994A CN103476994A CN2012800182333A CN201280018233A CN103476994A CN 103476994 A CN103476994 A CN 103476994A CN 2012800182333 A CN2012800182333 A CN 2012800182333A CN 201280018233 A CN201280018233 A CN 201280018233A CN 103476994 A CN103476994 A CN 103476994A
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- Prior art keywords
- fabric
- barrier rib
- baffle system
- plastic body
- fiber
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
- E02B3/102—Permanently installed raisable dykes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
- E02B15/0814—Devices for reducing the polluted area with or without additional devices for removing the material with underwater curtains
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
- E02B3/102—Permanently installed raisable dykes
- E02B3/104—Permanently installed raisable dykes with self-activating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Woven Fabrics (AREA)
- Laminated Bodies (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a barrier system comprising a barrier wall for stopping a flow of a substance to one side of said wall, wherein said barrier wall comprises a fabric impervious to the flow of said substance and containing high strength polyolefin fibers.
Description
The present invention relates to the baffle system that comprises barrier rib, it is used for stoping material to the flowing an of side of described wall, and wherein said barrier rib comprises fabric.
This baffle system is well known in the art, and for example, from US4033137, wherein discloses and has been used for being contained in the lip-deep oiliness leakage of water body or the obstruct of other foreign material.Described obstruct also can comprise flat rectangular slab, and described rectangular slab can consist of the impermeable fabric stretched on rectangular shaped rim.
For example, yet known baffle system (presenting above) can be improved according to observations.Therefore, target of the present invention can be to provide the baffle system of improvement and the baffle system with suitable strength and/or mechanical stability more specifically is provided.
The invention provides the baffle system that comprises barrier rib, for stoping material to the flowing an of side of described wall, wherein said barrier rib comprises fabric, described fabric can prevent described material fluid infiltration and comprise the high-strength polyolefin fiber.
According to observations, baffle system of the present invention can stop flowing of relative bulkrage (such as dust, rock, water, snow etc.), and fault-free.In addition, according to observations, baffle system of the present invention can maintain its original-shape, even under the variation of temperature, temperature and other environmental factors.Particularly, even run into a plurality of loads that for example, produce due to material (above-mentioned those) stream, baffle system of the present invention still can maintain its original-shape.
In one embodiment, baffle system of the present invention be used for stoping for example rock bursts apart or snowslide in the flowing of the rock that occurs or snow.The fabric of barrier rib that is used for manufacturing the system of this embodiment need to stop flowing of flowing of rock and snow, however for the former of energy loss thus make some rocks or some wachtes to cross rock wall may be favourable.This can be by for example realizing with the fabric that has therein opening.
In another embodiment, baffle system of the present invention is used for stoping flowing of dust.
In another embodiment, baffle system of the present invention be water resistance every system, be used for stoping the mobile system of water.Preferably, the barrier rib that this system comprises comprises the fabric that contains the high-strength polyolefin fiber and is laminated on described fabric to form the thermoplastic of waterproof barrier rib.
According to an advantage of baffle system of the present invention, can be its intensity and/or its resistance to tearing.According to observations, even, when intercepting such as being pierced through partly by floating thing, sharp rock etc., this damage still mainly remains on part.
One preferred embodiment in, baffle system of the present invention be water resistance every system, it comprises:
I. foundation structure, be positioned on the sea bed that will protect or on ground;
Ii. be used to provide the floating thing of buoyancy, wherein, when described baffle system is not used, described floating thing preferably is accommodated on described foundation structure or described foundation structure inside;
Iii. insert between foundation structure and floating thing and be connected the barrier rib of foundation structure and floating thing; Described barrier rib comprises the fabric that contains the high-strength polyolefin fiber and preferably is laminated on described fabric to form the thermoplastic of waterproof barrier rib;
Wherein be accommodated on described foundation structure or described foundation structure when inner when floating thing, described barrier rib is statically placed on described foundation structure in the mode folded or is inner.Similarly baffle system is also known from US5154537 for example, and it all is incorporated to this paper by reference.
Mooring device (Tiedown menas, for example rope, metal or synthetic chain or cable) can be connected with barrier rib and for example, be connected with the fixed point of (on the ground, on sea bed or foundation structure), by this way, the load that water is applied on described wall is transferred to this device at least partly.
Another preferred embodiment in, baffle system of the present invention is that water resistance is every system, its barrier rib that is used for providing the level of being above the ground level when flood rise is across the space between the point at least two given intervals, and to stop a side of the described barrier rib of current direction, described system comprises:
I. shell structure, it has floating thing and receives chamber and preferred at least one ground liquids access road, described passage has entrance and extends to the bottom of described chamber from described shell structure top at the top of described housing, ground liquids can be filled described chamber when being allowed to as a result;
Ii. the floating structure of described chamber, the size of described floating structure is adjusted to and can be made its bottom position from described chamber (when anhydrous gathering) in described chamber move up and down to given level and to upper position (when waterborne the liter); And
Iii. barrier rib, it is inserted between described floating structure and described chamber and is connected floating structure and described chamber, wherein when described floating structure during in described nethermost position described barrier rib initially be positioned at ground line or following, and when described floating structure at an upper portion thereof during position, described barrier rib at least partly, whole horizontal line above Ground preferably.
Wherein said barrier rib comprises the fabric that contains the high-strength polyolefin fiber and is laminated on described fabric to form the thermoplastic of waterproof barrier rib.Similarly baffle system is also known from US5460462 for example, and it all is incorporated to this paper by reference.
According to observations, water resistance according to the present invention every system due to the pliable and tough and thin cavity that can be accommodated in relative small size in, and can be folding in compact mode.In the situation that need protection, can be by launching to dispose described system in the time relatively short.The small size cavity that comprises this obstruct can be for storing, and not significantly interference environment or surrounding buildings, and it can also be contained on the bank in structure, dike etc.It can also be stored under water, for example, at the sea bed away from bank with suitable distance, and does not basically reduce local water depth, and therefore can not damage boats and ships moves possibility or coastal stress-relieving activity.Yet in the situation that dangerous, for example announce tsunami interim, can arrangement baffle system of the present invention and baffle system of the present invention enough protections are provided.According to observations, existing water resistance is rigidity and heavy every system, needs relatively large reservoir cavity, thereby can disturb local building and other functions.Yet water resistance of the present invention can alleviate this shortcoming every system.
According to the present invention, barrier rib comprises the high-strength polyolefin fiber.Fiber is interpreted as for example, slender bodies with length dimension and lateral dimension (width and thickness) herein, and wherein length dimension is more much bigger than lateral dimension.The term fiber also comprises various embodiments, and for example silk thread, band, band, broadband, band and other have the similar item of rule or irregular cross section.Preferably, fiber has continuous length, has discontinuous length unlike short fiber.Yarn for the object of the invention is the slender bodies that comprises a plurality of fibers.
One preferred embodiment in, polyolefine fiber is polyethylene fibre.When polyethylene fibre is High molecular weight polyethylene (HMWPE) fiber, more preferably during super high molecular weight (UHMWPE) fiber, can obtains good result.Melt-spinning technology or gel spinning technique can be manufactured by any technology as known in the art, preferably be passed through to polyethylene fibre.If the use melt-spinning technology, for the polyethylene parent material of its manufacture preferably have between 20000g/mol and 600000g/mol, the weight average molecular weight between 60000g/mol and 200000g/mol more preferably.An example of melt-spinning technology is open in EP1350868, and it is incorporated to this paper by reference.Most preferred polymer fiber is the UHMWPE fiber of gel spinning, and the commodity that for example DSM Dyneema sells are by name
those.When by gel spinning technique, manufacturing described fiber, preferably use there is preferably at least 3dl/g, more preferably at least 4dl/g, the UHMWPE of the inherent viscosity of 5dl/g (IV) at least most preferably.Preferably, IV is 40dl/g at the most, more preferably 25dl/g, 15dl/g at the most more preferably at the most.Preferably, UHMWPE has that every 100 C atoms are less than 1 side chain, more preferably every 300 C atoms are less than 1 side chain.Preferably, manufacture the UHMWPE fiber according to the gel spinning technique described in a large amount of publications, these publications comprise EP0205960A, EP0213208A1, US4413110, GB2042414A, GB-A-2051667, EP0200547B1, EP0472114B1, WO01/73173A1, EP1699954 and " Advanced Fibre Spinning Technology ", Ed.T.Nakajima, Woodhead Publ.Ltd (1994), ISBN1855731827.
In a special embodiment, the polyolefine fiber used according to the present invention has belt like shape, or in other words, described polyolefine fiber is the polyolefin band.Preferably described polyolefin band is the UHMWPE band.For the band (or plane band) of purpose of the present invention, be preferably at least 5:1, more preferably at least 20:1, even more preferably at least 100:1 and the also fiber of 1000:1 at least even more preferably of cross-sectional aspect ratio (being the ratio of width and thickness).With material, preferably have between 1mm and 600mm, more preferably between 1.5mm and 400mm, even more preferably between 2mm and 300mm, the width between 10mm and 180mm between 5mm and 200mm and most preferably even more preferably also.With material, preferably, have between 10 μ m and 200 μ m and the thickness between 15 μ m and 100 μ m more preferably.Cross-sectional aspect ratio is interpreted as the ratio of width and thickness herein.
Preferably, polyolefine fiber of the present invention has 0.5-20, more preferably 0.7-10, the Denier number (deniers) in the 1-5dpf scope most preferably.The yarn that comprises described fiber preferably has 100-3000, more preferably 200-2500, the Denier number in the 400-1000dtex scope most preferably.
The high-strength polyolefin fiber is interpreted as and for example has at least polyolefine fiber of the high tensile of 0.5GPa herein.The hot strength of polyolefine fiber is preferably at least 1.2GPa, more preferably at least 2.5GPa, 3.5GPa at least most preferably.Preferably, polyolefine fiber is to have preferably at least 1.2GPa, more preferably at least 2.5GPa, the most preferably at least polyethylene fibre of the hot strength of 3.5GPa, UHMWPE fiber more preferably.Compare with thering is like configurations but comprise by other any systems of the fiber of polyester, nylon or aromatic polyamides manufacture, the baffle system that comprises the strength polyethylene fiber have better mechanical stability, weight gentlier, more solid.
Preferably, polyolefine fiber has preferably at least 30GPa, more preferably at least 50GPa, the stretch modulus of 60GPa at least most preferably.Preferably, polyolefine fiber is polyethylene fibre, UHMWPE fiber more preferably, wherein polyethylene fibre, the stretch modulus of UHMWPE fiber is 50GPa at least, more preferably at least 60GPa, 80GPa at least most preferably particularly.According to observations, when using this high-strength polyethylene according to the present invention, more specifically during this high strength UHMWPE fiber, baffle system of the present invention can have good mechanical stability, good life-span, and can successfully bear sizable external loads be applied to it.
In a preferred embodiment of the present invention, at least 80 quality % in the fiber that barrier rib comprises, more preferably at least 90 quality %, most preferably approximately 100 quality % are the high-strength polyolefin fiber.More preferably, at least 80 quality % in the fiber that barrier rib comprises, more preferably at least 90 quality %, most preferably 100 quality % are polyethylene fibre, UHMWPE fiber more preferably.The fiber of residual mass % can be comprised of other polymer fibers.According to observations, the barrier rib of the polyethylene fibre that comprises rising quality % by use, to use wherein all polymer fibers particularly be all the barrier rib of polyethylene fibre, and barrier rib of the present invention can show good resistance, high-tear strength and the low weight that sunlight and UV are degraded.
The high-strength polyolefin fiber comprised according to barrier rib used in the present invention forms fabric.Described fabric can have any structure as known in the art, for example woven (woven), knitting, weaving (plaited), braiding or nonwoven or its combination.Knit goods can be that broadwise knitting (for example single face, reversible cloth) or warp-wise are knitting.An example of adhesive-bonded fabric is felt fabric or fabric that wherein fiber is advanced in substantially parallel mode along a common aspect.Other examples of woven, knitting or adhesive-bonded fabric with and manufacture method be described in " Handbook ofTechnical Textiles ", in ISBN978-1-59124-651-0 the 4th, 5 and 6 chapters, this is open is incorporated to this paper as quoting.The description of braided fabric and example be described in Chapter 11 in same Handbook, more specifically in the 11.4.1 section, its disclosure is incorporated to this paper by reference.
Preferably, according to fabric used in the present invention, be woven fabric.Preferably, described woven fabric is constructed with per unit length and the very little weight of whole cross-sectional diameter.The preferred embodiment of woven fabric comprises that flat pin (plain weave) braided fabric, burr braided fabric, basket braided fabric, twill weave fabric, square plain net eye braided fabric, brokentwlllweave (crow feet) braided fabric and satin knit braided fabric, but also can use more complicated braided fabric, for example the three-dimensional braided fabric.More preferably, woven fabric is plain weave fabric, more preferably, and the woven fabric side of being plain net eye braided fabric.Preferably, for the preparation of the fiber of woven fabric, be band, more preferably they are the fibers with circular cross section, the aspect ratio of described cross section for 4:1 at the most, more preferably be 2:1 at the most.
According to certain embodiments of the present invention, barrier rib can also comprise thermoplastic, particularly when baffle system of the present invention is used as water resistance every system.Yet preferably,, for all of the embodiments of the present invention, barrier rib all comprises thermoplastic.The non-limiting example of suitable thermoplastic comprises polyolefin (for example low density polyethylene (LDPE) and high density polyethylene (HDPE)), Ethyl vinylacetate, polyurethane, polyethylene kind, polyacrylic, polybutylene terephthalate (PBT) (PBT), polyamide, Merlon, perhaps thermoplastic elastomer block copolymer, for example polyisoprene-polyethylene-butylene-polystyrene or polystyrene-poly isoprene-polystyrene block copolymer.Other suitable thermoplastics for example are recited in WO91/12136A1 (15-21 page), and it is incorporated to this paper by reference.Thermoplastic is in turn laminated on the fabric that barrier rib comprises, so that the anti-for example fluid of the material of water, snow, dust, rock etc. of described wall.Preferably, thermoplastic is plastic body.Described plastic body is preferably the semi-crystalline co-polymers of the alpha-olefin comonomer of ethene or propylene and one or more C2 to C12, and described plastic body has 860 and the 930kg/m recorded according to ISO1183
3between density
Preferably, barrier rib comprises fabric, and wherein plastic body preferably floods whole described fabric.Described dipping can carry out with various forms and mode, for example, by lamination or by for example in hot pressing, making by force plastic body pass yarn and/or the fiber of fabric.For example in US5773373, US6864195 and US6054178, disclosing the example of preparation through the method for the fabric of dipping, these patents are incorporated to this paper by reference.The material that these methods can be used according to the present invention routinely (such as fiber, plastic body) and changing.
When plastic body have at the most 0.6GPa, more preferably at the most 0.4GPa, most preferably at the most during the stretch modulus of 0.2GPa, can obtain a good result.Preferably, described plastic body has at least 0.01GPa, more preferably at least 0.05GPa, the stretch modulus of 0.1GPa at least most preferably.
According to observations, when using this fabric through dipping as the barrier rib of baffle system of the present invention, the mechanical stability of described system improves.Particularly, externally elongation rate and/or its shrinkage factor minimum in time of system under load.
A preferred example that is applicable to barrier rib of the present invention is the barrier rib that comprises woven fabric, described woven fabric comprise high-strength polyethylene fiber, more preferably high strength UHMWPE fiber and this textile impregnation plastic body, the semi-crystalline co-polymers of the alpha-olefin comonomer that this plastic body is ethene or propylene and one or more C2 to C12, and wherein said plastic body has 860 and the 930kg/m recorded according to ISO1183
3between density.When baffle system of the present invention comprises this barrier rib, described system can show the tear resistance of enhancing; Good processability; With excellent chemical resistance and refractoriness.Particularly, the woven fabric through dipping that comprises polyethylene fibre and/or yarn shows excellent weight and intensity, and they are lightweight and more solid than any fabric through dipping comprised such as polyester, nylon or aramid fibre.
Of the present invention one preferred embodiment in, barrier rib comprises:
(i) fabric, woven fabric preferably, it comprises and contains polyethylene fibre, the yarn of UHMWPE fiber preferably;
(ii) adhere at least one surperficial plastic body layer of described woven fabric, the semi-crystalline co-polymers of the alpha-olefin comonomer that wherein said plastic body is ethene or propylene and one or more C2 to C12, and wherein said plastic body has 860 and the 930kg/m recorded according to ISO1183
3between density.
The inventor notices, when baffle system of the present invention comprises this barrier rib, described system, except can showing above-mentioned advantage, can also show suitable anti-contracility, especially in long-term the use.Also observe described system weight light, there is good tear resistance and high breaking strength.Also observe, when it uses in cold environment, described system be subject to low temperature cause damage (such as the cracking etc.) impact less.
Preferably, barrier rib comprises:
(i) woven fabric, it comprises and contains polyethylene fibre, the yarn of UHMWPE fiber preferably;
(ii) plastic body, this plastic body has the first on a surface that adheres to described woven fabric and impregnated in the yarn of described fabric and/or the second portion between fiber, and this second portion extends to whole described fabric and bonds together with described first; And the semi-crystalline co-polymers of the alpha-olefin comonomer that wherein said plastic body is ethene or propylene and one or more C2 to C12, and wherein said plastic body has 860 and the 930kg/m recorded according to ISO1183
3between density.
Thereby be also noted that in addition when two surfaces that the plastic body layer adheres to woven fabric and seal residence while stating fabric, baffle system of the present invention obtains also wanting better anti-contracility.Therefore, one preferred embodiment in, barrier rib comprises:
(i) woven fabric, it has upper surface and soffit, and comprises and contain polyethylene fibre, the yarn of UHMWPE fiber preferably;
(ii) seal the plastic body layer of described fabric, described plastic body layer has the first that adheres to described upper surface; Adhere to the third part of described soffit; And impregnated between the yarn of described fabric and/or fiber and extend the second portion of whole described fabric, described first and the third part of described second portion and described plastic body layer bond together; The semi-crystalline co-polymers of the alpha-olefin comonomer that wherein said plastic body is ethene or propylene and one or more C2 to C12, and wherein said plastic body has 860 and the 930kg/m recorded according to ISO1183
3between density.
Preferably, described second portion impregnated between yarn and between fiber.The second portion of plastic body layer also extends whole described fabric, and this refers to plastic body and is distributed between its surface along the lateral dimension of fabric and along the vertical dimension of fabric.Preferably, flooded, thus the described second portion that makes the plastic body layer along the longitudinal size extend to surface corresponding thereto from a surface of fabric always.
While using herein, " the plastic body layer adheres to fabric face " is interpreted as that plastic body passes through the fiber that physics strength grasps the fabric that (grip) contact with it.Yet for the present invention, plastic body is actual, and to be chemically bound in the surface of fiber dispensable.According to observations, with the thermoplastic of other types, compare, according to the present invention, plastic body used has the grasping of increase on such as polyethylene fibre.One preferred embodiment in, the surface of polyethylene fibre is wrinkling, has thrust or hole or other irregular surface textures, thereby improves the grasping between plastic body and fiber.
" two parts that bond together of plastic body layer " are interpreted as the described partially fused single main body that together becomes in this article, thereby preferably between these parts, do not form line of demarcation, and preferably in whole plastic body layer, do not have the essential difference of mechanical performance or other physical properties.
Self-evidently, " upper surface " and " soffit " only for distinctive two surfaces of cognitron woven fabric, and should not be interpreted as practically woven fabric being defined as to certain and place up or down.
Preferred woven fabric used according to the invention is the fabric with coverage coefficient of at least 1.5, more preferably at least 2, most preferably at least 3.Preferably, described coverage coefficient at the most 30, more preferably at the most 20, most preferably at the most 10.According to observations, the use of this fabric causes the best dipping of woven fabric, makes space that for example barrier rib comprises or the amount minimum of air pocket.Also observe, obtain more uniform barrier rib, give conversely mechanical performance and better shape stability that baffle system of the present invention has less localized variation.Can be for example by add depress make by force melting plastic body through described fiber and/or yarn, realize the dipping of plastic body.
Plastic body used according to the invention is plastic material, and it belongs to the thermoplastic class.According to the present invention, described plastic body is the hemicrystalline copolymer of the alpha-olefin comonomer of ethene or propylene and one or more of C2 to C12, and the density of described plastic body is 880-930kg/m
3.According to observations, when plastic body is to prepare by the single-point catalyst polymerization, when preferably described plastic body is metallocene-plastomer (that is, the plastic body prepared by metallocene single-site catalysts), the barrier rib that comprises this plastic body shows good anti-contracility.Ethene is particularly preferred comonomer in the copolymer of propylene, and butylene, hexene and octene are the preferred alpha-olefin comonomer for ethylene copolymer and propylene copolymer.
One preferred embodiment in, described plastic body is the thermoplastic copolymer of ethene or propylene, and the alpha-olefin that this copolymer comprises the one or more of 2-12 of a having carbon atom (particularly ethene, isobutene, 1-butylene, 1-hexene, 4-methyl-1-pentene and 1-octene) is as comonomer.When the 'alpha '-olefin monomers that uses ethene and one or more of C3-C12, during as comonomer, in copolymer, the amount of comonomer is usually between between the 1-50 % by weight, preferably between the 5-35 % by weight.In the situation that ethylene copolymer, preferred comonomer is the 1-octene, and the amount of described comonomer is between between 5 % by weight and 25 % by weight, more preferably between 15 % by weight and 20 % by weight.In the situation that propylene copolymer, the amount of the amount of comonomer, particularly ethylene comonomer usually between between the 1-50 % by weight, preferably between the 2-35 % by weight, more preferably between the 5-20 % by weight.When the density of plastic body between 880-920kg/m
3between, more preferably between 880-910kg/m
3between the time, the contraction aspect will obtain good result.
Between between 70 ℃ and 120 ℃, preferably between between 70 ℃ and 100 ℃, more preferably between 70 ℃ and 95 ℃ the time, can obtain better anti-contracility when the DSC peak value fusing point of the present invention who measures according to ASTM D3418 plastic body used.
The plastic body prepared by the single-point catalyst polymerization, particularly metallocene-plastomer with for example, be its specific density (specific density) by other polymerization techniques (Ziegler-Natta catalysis) ethylene copolymer prepared and the difference of propylene copolymer.Described plastic body also makes it be different from other because of narrower molecular weight distribution (Mw/Mn) and limited amount long chain branching, and wherein the value of molecular weight distribution is preferably 1.5-3.Preferably, the quantity of long-chain branch is 3 at the most of every 1000 carbon atoms.Can be used for the barrier rib used according to the present invention and the suitable plastic body obtained with metallocene type catalyst is commercial mass production, for example with trade (brand) name Exact, Exceed, Vistamaxx, Tafmer, Engage, Affinity and Versify, by DEXPlastomers, ExxonMobil, Mitsui and DOW, is produced respectively.The explanation of plastic body, particularly metallocene-plastomer with and " Handbook of polypropylene and polypropylene composites " the 7.2nd chapter (ISBN0-8247-4064-5) that can edit at for example Harutun G.Karian of the general introduction of mechanical performance and physical property in find, more specifically at its sub-chapters and sections 7.2.1; 7.2.2; With 7.2.5, in 7.2.7, they all are contained in this by reference.
Can also use and comprise the plastic body used according to the present invention and other thermoplastics and/or the composition of other plastic body grades even.One preferred embodiment, plastic body and the functionalized polyolefinic blend of comprising used according to the invention.Preferably, functionalized polyolefinic amount is between 1 % by weight-99 % by weight of blend weight, more preferably 2.5 % by weight-50 % by weight, 5 % by weight-25 % by weight more preferably.Preferably, functionalized polyolefin is come functionalized by bifunctional monomer, and the amount of described bifunctional monomer is between 0.1 % by weight-10 % by weight of polyolefinic weight, more preferably 0.35 % by weight-5 % by weight, 0.7 % by weight-1.5 % by weight most preferably.Preferably, for functionalized polyolefin, be also plastic body, more preferably described polyolefin is plastic body used according to the invention.Preferably, for example, with bifunctional monomer (maleic anhydride (MA) or vinyltrimethoxy silane (VTMOS)) that polyolefin is functionalized.But the functionalized polyolefin of MA and VTMOS is the product that business is buied, and polyolefinic functionalized can carrying out according to procedures known in the art, for example, in extrusion process, use peroxide as initator.Use functionalized polyolefin, preferably the advantage of functionalized plastic body is, the mechanical stability of barrier rib used according to the invention can improve.
When barrier rib used according to the invention comprises fabric, woven fabric preferably, and wherein select the amount of plastic body, to produce surface density (AD) than the AD height at least 20% of fabric wherein used, while being more preferably up to few 50% barrier rib, can obtain good anti-contracility.Preferably, the surface density of barrier rib (AD) than fabric wherein used, preferably woven fabric the AD height at the most 500%, be more preferably up to many 400%, most preferably high by the most 300%.When plastic body is sealed fabric (being preferably woven fabric) and, by top pointed while selecting the amount of plastic body, obtained good result.AD is with kg/m
2mean, and be by the certain area (0.01m of weighing
2) weight and gained weight is obtained divided by the area of this sample.
According to the present invention, plastic body used can also comprise various fillers and/or the additive defined later.One preferred embodiment in, barrier rib comprises as defined above woven fabric, plastic body layer and optionally comprises the various fillers and/or the additive that add plastic body to defined later.Yet preferably, plastic body is not containing any filler and/or additive.According to observations, when baffle system of the present invention comprises the barrier rib according to this embodiment, described system can show shrink reduce simultaneously solid and lightweight.In addition, described barrier rib is easy to by thermal weld along joint seal, and this will provide stronger sealing, and cause saving total time and cost.
The example of filler comprises reinforcing material and non-reinforcing material, for example carbon black, calcium carbonate, clay, silica, mica, talcum and glass.The example of additive comprises stabilizing agent (such as the UV stabilizing agent), pigment, antioxidant, fire retardant etc.Preferred fire retardant comprises aluminum trihydrate, dehydration magnesium and ammonium polyphosphate etc.The 1-60 % by weight of the amount that preferably, the amount of fire retardant is the thermoplastic that comprises of barrier rib of the present invention, more preferably 5-30 % by weight.Most preferred fire retardant is ammonium phosphate (for example Budenheim (Budit) and Clariant (Exolit) provide).
Can prepare according to procedures known in the art by the fabric of lamination.The example of described method is open in US5773373 and US6054178, and these patents are incorporated to this paper by reference.Preferably, prepare the fabric of lamination by laminating method, the method is for example open in US4679519, and this patent is incorporated to this paper by reference, described method according to the present invention in material used and changing routinely.
Preferably, the thickness of barrier rib is between between 0.2mm and 10mm, more preferably between 0.3mm and 5mm.The AD of described barrier rib is preferably at 0.2kg/m
2and 3kg/m
2between, more preferably at 0.2kg/m
2and 2kg/m
2between.
When barrier rib comprises the woven fabric of being sealed by plastic body, described fabric can be positioned at central authorities or the offset from center of described barrier rib.When fabric is positioned at barrier rib central as much as possible, can obtain the good result of contraction aspect.
Preferably, the total shrinkage of barrier rib (being the warp-wise of woven fabric and the average shrinkage ratio on weft direction) is less than 1.5%, is more preferably less than 1.2%, even is more preferably less than 1.0%, also will even be more preferably less than 0.8%, also will even be more preferably less than 0.6%, most preferably be less than 0.45%.The disclosed method of " method of testing " part of total shrinkage file back according to the present invention is measured.Preferably, barrier rib is less than 1% in the shrinkage factor through making progress, is more preferably less than 0.6%.Preferably, the shrinkage factor of flexible sheet material of the present invention on broadwise is less than 1%, is more preferably less than 0.5%.
Further illustrate the present invention by the following examples, but be not limited to this.
Method of testing
iV: the inherent viscosity (IV) of measuring UHMWPE according to method PTC-179 on (Hercules Inc.Rev.1982 April 29), test condition is: under 135 ℃, in decahydronaphthalenes, dissolution time is 16 hours, the DBPC that the employing consumption is 2g/1 solution is as antioxidant, and the viscosity extrapolation that will measure under variable concentrations obtains the viscosity under zero-dose.
coverage coefficient: the square root by the line density (in tex) by the average number of single braided fabric yarn of every centimetre on warp-wise and broadwise and single braided fabric yarn multiplies each other and, divided by 10, carrys out the coverage coefficient of computer woven fabric.Single braided fabric yarn can comprise produced monofilament, or it can comprise produced a plurality of yarns, described yarn is assembled into to single braided fabric yarn weaving Cheng Qian.Under latter event, the summation of the line density that the line density of single braided fabric yarn is produced yarn.Therefore, can calculate coverage coefficient (CF) according to following formula:
The average number of the single braided fabric yarn that wherein m is every centimetre, p is the number that is assembled into the yarn of producing of braided fabric yarn, the line density (in tex) that t is produced yarn, and the T line density (in tex) that is single braided fabric yarn.
dtex: the Dtex that measures fiber by the 100 meters fibers of weighing.By will be in the weight of milligram divided by 10 dtex that calculate fiber.
shrinkage factor: by length, be that the square sample that 0.4 meter and width are 0.4 meter is placed in the cylinder of washing machine, in the situation that do not exist water, approximately 23 ℃ temperature and approximately under 65% humidity, with the rotating speeds of 60 rev/mins, together with 5 clay balls, rotate 72 hours.The quality of each clay ball is 0.22Kg, and diameter is about 50mm, by ball being put into to the cotton bag that just only can hold this ball, the surface of each ball is covered by bafta.The size of sample before measure processing and afterwards, and its difference (meaning with %) is considered to the shrinkage factor of representative sample.
the tensioning member matter of polymer fiber(being strength and modulus): measure according to being defined on polyfilament yarn of ASTM D885M, use the fiber that nominal calibrated length is 500mm, cross head speed and the Fibre Grip D5618C type Instron2714 fixture of 50%/min.For computed strength, by measured tensile force, divided by fiber number (this fiber number is determined by the 10 meters long fibers of weighing), its value be take GPa as unit, suppose polymer for example the natural density of UHMWPE be 0.97g/cm
3calculate.
the tensile property of polymeric tapes: according to being defined on the wide band of 25 ℃ of lower 2mm definition and measuring hot strength and stretch modulus of ASTM D882, use the band that nominal calibrated length is 440mm, the cross head speed of 50mm/min.
Inorfil, glass fiber particularly
hot strength and modulus: according to ASTM D4018-81, under 22 ℃, measure.
the stretch modulus of thermoplastic: according to ASTM D-638 (84), under 25 ℃, measure.
embodiment and contrast experiment
Embodiment
With AD, be 0.193kg/m
2, approximately 1.72 meters and comprise being called of 880dtex of the about 0.6mm of thickness, width
the basket braided fabric of the polyethylene yarn of SK65 prepares barrier rib, described textile impregnation
0203.
the 0203rd, from the plastic body of DEXPlastomers, and be that to have approximately 18% octane, density be 902kg/m
3and the vinyl octane plastic body that DSC peak value fusing point is 95 ℃.At the about temperature of 145 ℃ by the plastic body melting and flow out on the surface of fabric.
Apply the pressure of about 45bars, so that plastic body approximately is being impregnated in fabric under 120 ℃.
For two surfaces of coating machine woven fabric, repeat said process.The barrier rib obtained has thickness, the 0.550kg/m of about 0.8mm
2aD and be less than 40% space.The AD of wall is that the AD280% of woven fabric is high.The plastic body layer is designed to:
● cover an about 0.17kg/m of surfaces A D
2first;
● dipping is the second portion between its yarn and fiber through fabric;
● covering another surfaces A D is about 0.175kg/m
2third part.
The results are shown in table 1.
| Sample | Shrinkage factor through making progress (%) | Shrinkage factor on broadwise (%) | Total shrinkage (%) |
| Embodiment | 0.96 | 0.42 | 0.69 |
Claims (15)
1. a baffle system, it comprises barrier rib, for stoping material to the flowing an of side of described wall, wherein said barrier rib comprises fabric, described fabric can prevent described material fluid infiltration and comprise the high-strength polyolefin fiber.
2. baffle system as claimed in claim 1, wherein said system be water resistance every system, it comprises:
I. foundation structure, be positioned on the sea bed that will protect or on ground;
Ii. be used to provide the floating thing of buoyancy; Wherein, when described baffle system is not used, described floating thing preferably is accommodated on described foundation structure or described foundation structure inside;
Iii. insert between described foundation structure and described floating thing and be connected the barrier rib of described foundation structure and described floating thing; Described barrier rib comprises the fabric that contains the high-strength polyolefin fiber and preferably is laminated on described fabric to form the thermoplastic of waterproof barrier rib;
Wherein be accommodated on described foundation structure or described foundation structure when inner when floating thing, described barrier rib is statically placed on described foundation structure in the mode folded or is inner.
3. baffle system as claimed in claim 1, wherein said system is that water resistance is every system, its barrier rib that is used for providing the level of being above the ground level when flood rise is across the space between the point at least two given intervals, and to stop a side of current direction barrier rib, described system comprises:
I. shell structure, it has floating thing and receives chamber and preferred at least one ground liquids access road, described passage has entrance and extends to the bottom of described chamber from described shell structure top at the top of described housing, ground liquids can be filled described chamber when being allowed to as a result;
Ii. the floating structure of described chamber, the size of described floating structure adjust to can make its in described chamber during from anhydrous gathering the bottom position described chamber to given level and to upper position when waterborne the liter, move up and down; And
Iii. barrier rib, it is inserted between described floating structure and described chamber and is connected floating structure and described chamber, wherein when described floating structure during in described nethermost position described barrier rib initially be positioned at ground line or following, and when described floating structure at an upper portion thereof during position, described barrier rib at least partly, whole horizontal line above Ground preferably;
Wherein said barrier rib comprises the fabric that contains the high-strength polyolefin fiber and is laminated on described fabric to form the thermoplastic of waterproof barrier rib.
4. baffle system as described as any one in the claim of front, wherein said polyolefine fiber is polyethylene fibre, particularly High molecular weight polyethylene (HMWPE) fiber or ultra-high molecular weight polyethylene (UHMWPE) fiber.
5. baffle system as described as any one in the claim of front, wherein said polyolefine fiber has belt like shape.
6. baffle system as described as any one in the claim of front, wherein said polyolefine fiber has at least hot strength of 0.5GPa.
7. baffle system as described as any one in the claim of front, wherein said polyolefine fiber has at least stretch modulus of 30GPa.
8. baffle system as described as any one in the claim of front, wherein said fabric select free woven fabric, knit goods, textile fabric, braided fabric, adhesive-bonded fabric with and the group that forms of combination.
9. baffle system as described as any one in the claim of front, the woven fabric that wherein said fabric is the group of selecting free plain weave fabric and square plain net eye braided fabric to form.
10. baffle system as described as any one in the claim of front, wherein said fabric and thermoplastic, preferably plastic body is laminated.
11. baffle system as described as any one in the claim of front, wherein said fabric is laminated with the plastic body with stretch modulus of 0.6GPa at the most.
12. baffle system as described as any one in the claim of front, wherein said fabric is the woven fabric with coverage coefficient of at least 1.5.
13. baffle system as described as any one in the claim of front, wherein said fabric and plastic body are laminated, described plastic body is ethene or propylene and comprises one or more and have the thermoplastic copolymer of the alpha-olefin of 2-12 carbon atom as comonomer, and described alpha-olefin is in particular ethene, isobutene, 1-butylene, 1-hexene, 4-methyl-1-pentene and 1-octene.
14. baffle system as described as any one in the claim of front, wherein said fabric is preferably woven fabric, and the laminated and amount of wherein selecting described plastic body of described fabric and plastic body is to obtain surface density (AD) than the AD height at least 20% of described fabric, preferred described woven fabric, high at least 50% barrier rib more preferably.
15. baffle system as described as any one in the claim of front, the thickness of wherein said barrier rib is 0.2mm-10mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11162076 | 2011-04-12 | ||
| EP11162076.1 | 2011-04-12 | ||
| PCT/EP2012/056461 WO2012140017A1 (en) | 2011-04-12 | 2012-04-10 | Barrier system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103476994A true CN103476994A (en) | 2013-12-25 |
| CN103476994B CN103476994B (en) | 2017-07-07 |
Family
ID=44535925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280018233.3A Expired - Fee Related CN103476994B (en) | 2011-04-12 | 2012-04-10 | Water baffle system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140186118A1 (en) |
| EP (1) | EP2697436A1 (en) |
| JP (1) | JP6175705B2 (en) |
| CN (1) | CN103476994B (en) |
| WO (1) | WO2012140017A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9670635B1 (en) * | 2016-01-22 | 2017-06-06 | Viconic Sporting Llc | System for managing rainfall |
| JP2018035567A (en) * | 2016-08-31 | 2018-03-08 | 積水化学工業株式会社 | Cutoff material, cutoff structure and cutoff method |
| US20180216869A1 (en) * | 2017-02-01 | 2018-08-02 | Nathan Allan Lipinski | Defrost indicator |
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| CN101842229A (en) * | 2007-08-27 | 2010-09-22 | 霍尼韦尔国际公司 | Hurricane resistant composites |
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- 2012-04-10 CN CN201280018233.3A patent/CN103476994B/en not_active Expired - Fee Related
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- 2012-04-10 EP EP12712677.9A patent/EP2697436A1/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2012140017A1 (en) | 2012-10-18 |
| JP2014517164A (en) | 2014-07-17 |
| EP2697436A1 (en) | 2014-02-19 |
| US20140186118A1 (en) | 2014-07-03 |
| JP6175705B2 (en) | 2017-08-09 |
| CN103476994B (en) | 2017-07-07 |
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