CN1319686A - Composite high-strength single directional drawing oriented polymer flat filament and making method thereof - Google Patents
Composite high-strength single directional drawing oriented polymer flat filament and making method thereof Download PDFInfo
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- CN1319686A CN1319686A CN 01107272 CN01107272A CN1319686A CN 1319686 A CN1319686 A CN 1319686A CN 01107272 CN01107272 CN 01107272 CN 01107272 A CN01107272 A CN 01107272A CN 1319686 A CN1319686 A CN 1319686A
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Abstract
The present invention provides a composite high-strength one-way stretch stereospecific polymer flat narrow tape which is made up by using at least two layers of polymers through the processes of composition, one-way stretching and stereospecific synthesis. The middle layer of said composite layer is a polymer layer with inorganic filler or polymer layer made of recovered waste and old polymer. On its external layer surface at least there is a layer of embossed weave for antislipping and raising strength. All layers can be made up by using different types of polymer materials (containing nanometer composite material). As compared with single layer flat tape said invention possesses more high strength, better braiding property and application property.
Description
What the present invention relates to is a kind of polymer flat filament that braided fabric is used or that rope is used that is used for, particularly be a kind of compound high-strength monoway stretched and oriented polymer flat filament (flat arrowband) and production method thereof.
Be used for polymer flat filament that braided fabric is used or that rope is used, be packaging material and the cord material of quite popularizing, be found everywhere in packing and geotextiles, rope, geotechnological tension band production field, the woven polyethylene cloth of using as the polypropylene of packaging chemical raw material, woven bag packing, geotextiles and tarpaulin that the polyethylene flat filament is made, the polypropylene of rope production usefulness, poly flat filament, be quite popularize and use in a large number, the tension band of a kind of good polymeric packaging material that cost is also lower.But because pursue the reason that reduces cost, in polypropylene, polyethylene Flat Yarn Production, add a large amount of calcium carbonate, and flat filament it separates out the calcium carbonate dust in a large number when braiding machine braided packing cloth, contaminated equipment, environment, damage machine and the problem that diminishes workers ' health can not solve for a long time, make the real purpose that reduces cost reach unsatisfactory; Because environmental protection requirement, all packing materials of putting on market all will have the measure of recycling from now on, if flat filament and braided packing are produced in used above-mentioned recycling of packaging regeneration, very big health and epidemic prevention obstacle will be arranged, because these packings much are the packings that is used for industrial chemicals even poisonous and harmful substance, produce above-mentioned flat filament of having popularized and woven bag packing if recycle, may make residual harmful substance directly contact and pollution more harmful health of packed article and contaminated environment, this will make and satisfy environmental requirement, the useful measure of recycling waste and old packing can't realize; The requirement of modern packaging is more and more higher, the packing instructions that some is special, common flat filament and packaging bag can not be satisfied far away the sixth of the twelve Earthly Branches, as wool, some natural fabrics and chemical fibre, they require the fiber of its volume packaging bag of packing in use as not pack, sneak into when transportation even packaging bag are damaged, otherwise can influence the dyeability and the grade of these fibers, but the people that general polymer such as polypropylene flat-filament are known about is known, the flat filament that unidirectional orientation stretches for certain intensity of pursuing flat filament is easy to split silk fiberization after fracture, these Fibrotic flat filament fibers are to be certain to sneak into wool, natural fabric and chemical fibre, strong not soft flat filament of easy Fibrotic flat filament and flat filament rigidity such as polypropylene flat-filament on braiding machine when braided packing cloth or geotextiles because of there being the strong not soft efficient that influences very much braiding apparatus of many fibers and flat filament rigidity to bring into play, cause easily that also equipment flies shuttle and damage equipment, particularly high stretching ratio, high-intensity polypropylene flat-filament, above-mentioned phenomenon is more serious, even arrived equipment and can't turn round, the woven cloth finished product that obtains is not soft yet, and tensile strength descends serious.
In view of above reason, the objective of the invention is in order to overcome above deficiency, provide that a kind of cost is low, intensity is high, be difficult for fibration, softness, performance is good, and recyclable utilization is beneficial to the monoway stretch-oriented polymer flat filament (flat arrowband) of composite high-strength of environmental protection.Another object of the present invention is for a kind of production method of high-strength monoway stretched and oriented polymer flat filament (flat arrowband) is provided.
The object of the present invention is achieved like this:
The monoway stretch-oriented polymer flat filament of composite high-strength of the present invention is by the two layers of polymer thing is compound after monoway stretch-oriented forming at least.
Having at least in the above-mentioned polymer flat filament, one layer of polymeric is to adopt nanocomposite to make.
Each strata compound of above-mentioned polymer flat filament is to be made by different types of polymeric material.
Above-mentioned polymer composite layer is at least three layers, and the intermediate layer is stayed with the blend of inorganic filler and polymer and made.
Above-mentioned polymer composite layer is at least three layers, and the intermediate layer is stayed with the waste polymer of recycling and made.
Having at least in the above-mentioned polymer flat filament skin has anti-skidding and concavo-convex muscle line that gain in strength on one deck outer layer surface.
The production method of the polymer flat filament that composite high-strength of the present invention is monoway stretch-oriented is at least one compound die head that the molten polymer through at least two plastic extruders is extruded onto at least two runners to be made at least the two layers of polymer thing is compound to be one deck composite membrane, extruding cooling and shaping is laminated film, through the heating, monoway stretch-oriented be the monoway stretch-oriented polymer flat filament of composite high-strength.
Above-mentioned compound die head adopts round compound die head or flat compound die head, and the composite membrane of extruding is diaphragm or flat film.
Above-mentioned composite membrane footpath water cooling ring or water tank water-cooled or the air-cooled or cold rod cooling and shaping of air cooling ring are laminated film.
Above-mentioned laminated film is cut to fillet through the cutting knife branch, fillet is pulled the roller clamping and/or is pulled in baking oven, in the hot-air oven or on the hot arc plate or be heated on the hot-rolling, the linear velocity that the roller 1 that is stretched is higher than the carry-over pinch rolls several times stretches, and makes fillet be formed high-strength monoway stretched and oriented polymer flat filament by unidirectional stretch orientation.
Above-mentioned laminated film is pulled the roller clamping and/or is pulled on the hot-rolling of rotation and is heated, the roller that is stretched stretches with the linear velocity that is higher than the carry-over pinch rolls several times, make laminated film by the unidirectional monodirectional tension film that is stretched as, according to back operation and engineering the requirement of flat filament width is cut monodirectional tension film after the rolling again and obtain high-strength monoway stretched and oriented polymer flat filament.
The high-intensity monoway stretch-oriented polymer flat filament that the present invention is compound, with different performance and different stretch intensity, be difficult for that Fibrotic polymer is combined with each other and through monoway stretch-oriented, obtained the intensity height, be difficult for fibration, soft, performance polymer flat filament will be good, that cost is low; The polymer of easily separating out inorganic filler is compounded in the intermediate layer with the waste polymer that has the recycling of residual harmful substance, and through monoway stretch-oriented, contaminated environment and production equipment have been obtained to prevent, the polymer flat filament that prevent that harmful substance from spreading and the cost of pollution packing material is low, is beneficial to environmental protection, the recycling environmental practice of packing material can be realized, also improve the application level of flat filament and lacing braided packing bag, enlarged range of application, environmental.Production method of the present invention can be produced the monoway stretch-oriented polymer flat filament of composite high-strength.
Describe embodiments of the invention in detail below in conjunction with accompanying drawing:
Fig. 1 is the monoway stretch-oriented polymer flat filament structural representation Fig. 1 of composite high-strength of the present invention.
Fig. 2 is the production equipment and the process chart of the monoway stretch-oriented polymer flat filament of Fig. 1 composite high-strength.
Fig. 3 is a circular compound die header structure schematic diagram among Fig. 2.
Fig. 4 is the monoway stretch-oriented polymer flat filament structural representation Fig. 2 of composite high-strength of the present invention.
Fig. 5 is the production equipment and the process chart of the monoway stretch-oriented polymer flat filament of the composite high-strength of Fig. 4.
Fig. 6 is a flat compound die header structure schematic diagram among Fig. 5.
Fig. 7 is structural representation Fig. 3 of the monoway stretch-oriented polymer flat filament of composite high-strength of the present invention.
Fig. 8 is the production equipment and the process chart of the monoway stretch-oriented polymer flat filament of composite high-strength shown in Figure 7.
Fig. 9 is the monoway stretch-oriented polymer flat filament structural representation Fig. 4 of composite high-strength of the present invention.
Figure 10 is structural representation Fig. 5 of the monoway stretch-oriented polymer flat filament of composite high-strength of the present invention.
Figure 11 is the production equipment and the process chart of the monoway stretch-oriented polymer flat filament of Figure 10 composite high-strength.
Figure 12 is a round compound die header structure schematic diagram among Figure 11.
Embodiment 1:
Fig. 1～Fig. 3 has provided two layers of compound high-strength monoway stretched and oriented polymer flat filament structural representation and flow sheet of embodiment of the invention 1-.The polymer flat filament of present embodiment 1 is by low density polyethylene layer 1, monoway stretch-oriented the forming in polypropylene layer 2 compound backs.The flat filament of this structure has higher intensity because of polypropylene behind the stretch orientation of high stretching ratio, but the fibration phenomenon is arranged simultaneously again, the stretching ratio height, intensity is just high, but fibration is just serious, be difficult on braiding machine, producing smoothly, but increase behind one deck low density polyethylene (LDPE) reason because of molecular structure, that is afraid of through powerful stretching, the fibration trend of its material is also well a lot of than polypropylene, can play the Fibrotic effect of polypropylene layer that stops after compound, the existing advantages of higher tensile strength of this flat filament, but be subjected to poly prevention, the advantage that has the fibration phenomenon to reduce again.The production efficiency that can improve knitting process reduces the cost of raw material with reducing fabric weight.
Fig. 2 is a flow sheet.Adopted two to close plastic extruder 3,5, seven tractions of circular compound die head 4, water cooling cup rod 6 of at least two runners has been arranged, cutting knife 7,8, three draw rolls 9 of hot arc plate.In plastic extruder 3, add above-mentioned two kinds of raw materials respectively, after fusion, be squeezed in the round compound die head 4 that at least two runners are arranged shown in Figure 3, at the die head exit place two kinds of molten masses compound be the round composite membrane of one deck 10, round composite membrane 10 contacts with water through water cooling ring 5 and is pulled roller 6 traction and clampings after cooling and shaping is laminated film 11, there are multi-disc cutting knife 7 places of certain intervals to be cut to fillet 12 in design by the cutting knife branch, 12 heating through overheated arc plate 8, being in the roller 9 that is stretched under the best hot-stretch condition stretches, there is 5 and 9 times linear velocity stretching ratio adjustable between 9 and 6, the multiplying power height, flat filament 13 intensity that obtain are also high.What this embodiment produced gained is the polymer flat filament of two layers of compound high-intensity stretch orientation.
Embodiment 2:
Fig. 4 has provided three layers of compound polymer flat filament structural representation of embodiment of the invention 2-.Comprise high- density polyethylene layer 14,15 and be positioned at the polypropylene layer 16 of two interlayers.The polymer flat filament of this structure, same section have the intensity higher than embodiment 1.Because high density polyethylene (HDPE) and polypropylene all have intensity preferably under the stretch orientation process conditions of higher stretching ratio.Such as 5-9 multiplying power doubly.But under 8 times the stretching ratio, polyacrylic TENSILE STRENGTH has reached maximum and the fibration phenomenon is serious, substantially can't be on braiding machine ordinary production.Present embodiment will be in two limits of the high density polyethylene (HDPE) design of 8 times of stretching ratios at polypropylene layer 16, it is in the middle of the interlayer, relatively fibration trend and seriousness are quite a lot of because of high- density polyethylene layer 14,15 and polypropylene layer 16, when 8 times of stretching ratios right, intensity also reaches between the highest region of polyethylene layer 14,15 substantially, such structure, make polymer flat filament reach best intensity, but the effect because of 14～15 makes 16 serious fibration not coming to the surface at flat filament, has reached best cooperation.As shown in Figure 4: the outer field one side of present embodiment has anti-skidding and concavo-convex muscle line 17 that gain in strength.The flat filament that embodiment obtains has very high intensity and combination property, can reduce cost significantly for woven bag, and improve intensity and performance.
Fig. 5 has two plastic extruders 18 for production equipment and the process flow diagram 6 of producing present embodiment 2, the raw material of an adding is a high density polyethylene (HDPE), the raw material of another adding is a polypropylene, can produce 2 three layers of compound flat filament of present embodiment, two polymer that extruder 18 fusions add separately, molten mass is extruded onto in as shown in Figure 6 the flat compound die head 19 that three runners are arranged, three layers of molten mass wherein intermediate layer is polypropylene, the outside is a high density polyethylene (HDPE) for two layers, compound at the die head exit place is one deck composite membrane 20, and the water in the process water tank 21 is laminated film 22 with the direct cooling and shaping that contacts of composite membrane.Laminated film 22 is by one seven carry-over pinch rolls 23 traction and/or to be clamped in cutting knife 24 place's slittings be fillet 25.The Contact Heating of four hot-rollings 25 of that heat with deep fat or the electric heater heating or hot blast heating that 25 processes are rotated, be under the best hot-stretch condition and stretched, the extensibility of 5 to 9 times of linear velocities is arranged between carry-over pinch rolls 23 and four hot-rollings and draw roll 26,27 by a pair of draw roll 27.The linear velocity of four hot-rollings also be one of back than last, enter into from fillet 25 and to be drawn as flat filament 28 and to speed gradually in this order, be that 5 to 9 times of scopes can be adjusted to a pair of draw roll linear speed multiplying power at last.This embodiment stretches because of being to stretch gradually, and the flat filament intensity that obtains is higher, performance is better.This embodiment also can send out in cutter 24 and the laminated film branch is not cut to fillet, be with the Contact Heating of laminated film through the hot-rolling of above-mentioned rotation, making laminated film be in best thermal potential stretches under the condition by a pair of draw roll 27 stretchings, simultaneously be stretched as monodirectional tension film gradually by four hot-rollings, with after this film rolling according to back operation and engineering to the requirement of flat filament (flat arrowband) width, monodirectional tension film is cut obtain flat filament again.
Embodiment 3:
Fig. 7 has provided three layers of compound high-strength monoway stretched and oriented polymer flat filament structural representation of present embodiment 3-.At 29,30 calcium carbonate and polyethylene blend layer 31 that is compounded with high filling ratio of polyethylene (or high density polyethylene (HDPE)) layer.Flat filament polyethylene layer 29,30 tensile strength of this structure play the effect that stops filler-calcium carbonate to come to the surface and separate out greatly and also, can protect braiding machine and production environment.Blend layer 31 is to increase the rigidity of flat filament and guarantee flat filament weight.This flat filament is used for braiding and base cloth production can be saved a large amount of costs of raw material and production cost.
Fig. 8 has provided the production equipment and the technological process of production figure of present embodiment 3.Present embodiment has two plastic extruders 32, what extruder added is polypropylene or high density polyethylene (HDPE), what extruder added is that the calcium carbonate of high proportion of filler and the blend of high density polyethylene (HDPE) are arranged, and also can be changed to add the waste polymer of recycling and get final product three layers of compound flat filament shown in the production example 4 (Fig. 9) on adding has this extruder of filler blends.Two polymer that extruder 32 fusions add separately, molten mass is extruded onto three layers of molten mass in the flat composite membrane head 33 of flat filament of three runners, wherein the intermediate layer is the blend or the waste polymer for recycling of high proportion of filler, the outside is polypropylene or high density polyethylene (HDPE) for two layers, compound at the die head exit place is one deck composite membrane 34, the cooling and shaping of the cold roller 35 of the interior logical cold water of process is a laminated film 36,36 by carry-over pinch rolls 37 traction and the clampings of one group of six roots of sensation, in cutting knife 38 place's slittings is fillet 39,30 heating through hot-air oven 40, be in best thermal potential and stretch roller 41 stretchings that are stretched under the condition, there is 5 to 9 times linear velocity stretching ratio adjustable between 41 and 37, obtains flat filament 60 after the drawn orientation.
Embodiment 4:
Fig. 9 has provided three layers of compound high-strength monoway stretched and oriented polymer flat filament structural representation of present embodiment 4-.Polypropylene (or high density polyethylene (HDPE)) layer 42,43 has advantages of higher tensile strength, the two is compounded with the waste polymer 44 of recycling, it is not contacted with the external world and pollute extraneously, the recovery waste polymer of harmful substance that may be residual is reused becomes possibility.The cloth of this flat filament braiding and bag have lower this to become, to the protection of environment with reclaim profit and give up favourable.Stay with as shown in Figure 8 equipment with the three compound after again through the monoway stretch-oriented polymer flat filament that forms.
Embodiment 5:
Figure 10 has provided five layers of compound high-strength monoway stretched and oriented polymer flat filament structural representation of present embodiment 15-.61,45 of high-density polyethylene layer are compounded with Ionomer layer 46,47, nylon 66 (or nylon 6) layer 48.Dragon 66 (or nylon 6) have very high tensile strength.Very high TENSILE STRENGTH when having same stretching ratio, high density polyethylene (HDPE) is also arranged.Compound between 66 layer 48 of nylon and the high- density polyethylene layer 44,45 is compound by Ionomer layer 46,47, otherwise can not be compound between nylon 66 and the high-density polyethylene layer 44,45.Its structure is to be the center with the intermediate layer, the intermediate layer two in the face of claim layering compound be the material that is different from the intermediate layer.This flat filament has high intensity, and is not easy brokenly silk and fibration, can be used for the packing of wool and natural fabric and special chemical fibre, also can be used as rope, tension band, earthwork engineering band that intensity and combination property are had relatively high expectations.
Figure 11 is for producing the production equipment and the process chart of present embodiment composition polymer flat filament.Three plastic extruders 49 are arranged, and what every extruder added is different types of polymer, and what add respectively is nylon 66 or 6, Ionomer and height polyethylene.Three kinds of different classes of polymer of three extruder 49 fusions, molten mass is extruded as shown in figure 12 the round compound die head 58 that five runners are arranged, five layers of molten mass is compound at the die head exit place to be the round composite membrane of one deck 51, cold wind cooling and shaping through air cooling ring 52 is round laminated film 53,53 by carry-over pinch rolls 54 traction and the clampings of one group of eight roller, in cutting knife 55 place's slittings is fillet 56,56 heating through baking oven 57, being in the roller 58 that is stretched under the best hot-stretch condition stretches, there is 5 to 9 times linear velocity extensibility adjustable between 58 and 54, obtains flat filament 59 after the drawn orientation.
Claims (11)
1, the monoway stretch-oriented polymer flat filament of composite high-strength is by the two layers of polymer thing is compound after monoway stretch-oriented forming at least.
2, the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1 is characterized in that having one deck at least, and polymer is to adopt nanocomposite to make.
3, the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1 or 2 is characterized in that each strata compound is to be made by different types of polymeric material.
4, the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1 or 2 is characterized in that polymer composite layer is at least three layers, and the intermediate layer is stayed with inorganic filler and blend polymer and made.
5, the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1 or 2 is characterized in that polymer composite layer is at least three layers, and the intermediate layer is stayed with the waste polymer of recycling and made.
6, the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1 or 2 is characterized in that having at least in the polymer flat filament skin having anti-skidding on one deck outer layer surface and concavo-convex muscle line that gain in strength.
7, the production method of the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 1, to be extruded onto at least one compound die head of at least two runners through the molten polymer of at least two plastic extruders, make at least that the two layers of polymer thing is compound to be one deck composite membrane, extruding cooling and shaping is laminated film, through the heating, monoway stretch-oriented be the monoway stretch-oriented polymer flat filament of composite high-strength.
8, the production method of the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 7 is characterized in that compound die head adopts round compound die head or flat compound die head, and the composite membrane of extruding is diaphragm or flat film.
9, the production method of the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 7 is characterized in that composite membrane is a laminated film through water cooling ring or water tank water-cooled or the air-cooled or cold rod cooling and shaping of air cooling ring.
10, the production method of the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 7, it is characterized in that laminated film is cut to fillet through the cutting knife branch, fillet is pulled the roller clamping and/or is pulled in baking oven, in the hot-air oven or on the hot arc plate or be heated on the hot-rolling, the roller that is stretched stretches with the linear velocity that is higher than the carry-over pinch rolls several times, makes fillet be formed high-strength monoway stretched and oriented polymer flat filament by unidirectional stretch orientation.
11, the production method of the monoway stretch-oriented polymer flat filament of composite high-strength as claimed in claim 7, it is characterized in that laminated film is pulled the roller clamping and/or is pulled on the hot-rolling of rotation is heated, the roller that is stretched stretches with the linear velocity that is higher than the carry-over pinch rolls several times, make laminated film by the unidirectional monodirectional tension film that is stretched as, according to back operation and engineering the requirement of flat filament width is cut monodirectional tension film after the rolling again and obtain high-strength monoway stretched and oriented polymer flat filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01107272 CN1319686A (en) | 2001-03-23 | 2001-03-23 | Composite high-strength single directional drawing oriented polymer flat filament and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01107272 CN1319686A (en) | 2001-03-23 | 2001-03-23 | Composite high-strength single directional drawing oriented polymer flat filament and making method thereof |
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| CN1319686A true CN1319686A (en) | 2001-10-31 |
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| CN 01107272 Pending CN1319686A (en) | 2001-03-23 | 2001-03-23 | Composite high-strength single directional drawing oriented polymer flat filament and making method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476863A (en) * | 2014-11-17 | 2015-04-01 | 东莞市峄董塑胶科技有限公司 | Tape yarn woven cloth woven by hot-melt adhesive tape yarns, and composite board |
| CN113665202A (en) * | 2021-08-30 | 2021-11-19 | 南京沪汇包装科技有限公司 | Functional heat-sealing woven cloth |
| CN114103188A (en) * | 2021-10-18 | 2022-03-01 | 浙江古纤道股份有限公司 | Preparation method of multifunctional flat yarn |
-
2001
- 2001-03-23 CN CN 01107272 patent/CN1319686A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476863A (en) * | 2014-11-17 | 2015-04-01 | 东莞市峄董塑胶科技有限公司 | Tape yarn woven cloth woven by hot-melt adhesive tape yarns, and composite board |
| CN113665202A (en) * | 2021-08-30 | 2021-11-19 | 南京沪汇包装科技有限公司 | Functional heat-sealing woven cloth |
| CN114103188A (en) * | 2021-10-18 | 2022-03-01 | 浙江古纤道股份有限公司 | Preparation method of multifunctional flat yarn |
| CN114103188B (en) * | 2021-10-18 | 2023-12-01 | 浙江古纤道股份有限公司 | Preparation method of multifunctional flat yarn |
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