CN1328423C - Method for producing highly stable polypropylene fibres - Google Patents
Method for producing highly stable polypropylene fibres Download PDFInfo
- Publication number
- CN1328423C CN1328423C CNB038230348A CN03823034A CN1328423C CN 1328423 C CN1328423 C CN 1328423C CN B038230348 A CNB038230348 A CN B038230348A CN 03823034 A CN03823034 A CN 03823034A CN 1328423 C CN1328423 C CN 1328423C
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- Prior art keywords
- draw
- ribbon
- stretching
- stage
- stretching device
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
A method for producing high-tenacity polypropylene fibers with a tenacity greater than 6 cN/dtex and an elongation of less than 40%. To produce as much as possible fibers of a very fine denier, the fiber strands are spun in a first step at a low melting point of less than 250 DEG C., and are withdrawn at a relatively low withdrawal speed of less than 100 m/min., while being simultaneously cooled by a gaseous cooling medium. Subsequently, the fiber strands undergo drawing in at least three draw zones with a total draw ratio greater than 4:1. In this process, the fiber strands are partially drawn in the first draw zone to at least 70% of the total draw. After having been drawn, the fiber strands are cut to a predetermined fiber length.
Description
Technical field
The present invention relates to a kind ofly cut into method and the device that polypropylene fibre manufacturing has the high-strength polypropylene fiber of high strength and low elongation by continuous fusion spinning, traction, stretching with ribbon.
Background technology
The one-stage process that is used to make the high-strength polypropylene fiber by known a kind of this type of DE3539185.
In this known method, spinning and making the back and directly ribbon is introduced in the water-bath, then in a drawing zone, it is being stretched with the high draw ratio that is up to 10: 1 in order to cool off.Because ribbon cooling faster in water-bath causes preorientation higher in the fringe region of single fiber, the result causes poor tensility.This in addition known method only is applicable to makes the thicker fiber with the filament fiber number in the above scope of 3dtex.Singly be because water-bath causes rubbing action on the higher single monofilament does not just allow to spin to make and have more fine-titred fiber.
But wish when adopting this fiber to add reinforced concrete that particularly fibre strength is high and thin.By the known a kind of polypropylene fibre of DE19860335A1, wherein the shortcoming of fast quench replaces by air cooling in liquid.Though can make the ribbon of less fiber number thus, such shortcoming is arranged, promptly fiber has the high percentage elongation greater than 60%.But verified when the reinforcing concrete matrix, the percentage elongation of reinforcing fibre should be similar to the percentage elongation corresponding to matrix material to be strengthened, thereby can be born load and matrix is protected by fiber as early as possible.Therefore the applicability that has the fiber of big percentage elongation is very limited.
By the known a kind of polypropylene fibre of EP0535373A1, though it in the high-intensity fiber number that has necessity simultaneously, can only use complicated two-stage process manufacturing.Wherein fiber spin make and stretch the back deposited temporarily, at this moment carry out additional treatments by dipping.Then in second stage, pick up again, drying and cut staple bar.
Summary of the invention
The objective of the invention is now, a kind of method that starts the manufacturing high-strength polypropylene fiber of described type is provided, can make the special fine fibre of filament fiber number less than 2dtex by described method.
Another object of the present invention is that a kind of device of implementing this method is provided.
Above-mentioned purpose of the present invention realizes by such melt spinning method and device is provided, wherein: by a kind ofly having＜a plurality of ribbons of melt polypropylene melt-spinning of 250 ℃ melt temperature; Hauling speed with one＜100m/min when cooling off described ribbon with a gaseous cooling medium is extracted ribbon out; The described ribbon that stretches in having greater than at least three draw stage of 4: 1 total drawing ratio, wherein said ribbon obtain accounting for described total stretching at least 70% in first draw stage part stretches; Described ribbon is cut into polypropylene fibre with regulation fibre length.
Of the present invention being characterized as, low fusion temperature helps the not local molecularly oriented of drawing of fiber in conjunction with slow hauling speed when spinning on the one hand, and forms higher fibre strength.Owing to occur much lower internal stress between the polymer chain in the slow cooling procedure of hauling speed after spinning in the monofilament.By ensuing stretching in the draw stage that three orders are connected, consider and in first draw stage, in fiber, produced 70% of total amount of tension, in fiber, can carry out continuous polymer crystallization slowly, thereby except forming low remaining percentage elongation and corresponding fiber number in the external fiber of high intensity.
For the advantageous feature of reinforcing fiber, in second draw stage to stretch the stretching in the 3rd draw stage that is higher than the back of the part of ribbon.Therefore in described draw stage, always stretch with the draw ratio that reduces gradually respectively.
In order to stretch in the part that is obtaining after the spinning as far as possible determining in first drawing zone, ribbon is extracted out by first stretching device that has the draw roll that a plurality of shell surfaces are cooled behind melt-spinning.Then the guiding ribbon passes a drawing by high temperature passage in first draw stage, and is heated temperature more than one 100 ℃ to stretch.
In order in described each draw stage, to realize continuous as far as possible transition, ribbon first draw stage later on till enter the 3rd draw stage by through the guiding of the draw roll of a plurality of heating by the temperature of temperature adjustment to continuously＞100 ℃.The draw roll preferred design that for this reason forms the stretching device of second draw stage becomes heated.
Can carry out another heat treatment to ribbon by another drawing by high temperature passage in this external second draw stage.Here can be in described drawing by high temperature passage by hot-air or by vapours heating ribbon.Verified, in first drawing zone, use hot-air, and in second drawing zone, ribbon is carried out temperature adjustment with vapours, be particularly advantageous.
After stretching preferably by guiding cooling ribbon by the draw roll of a plurality of coolings of the 4th stretching device at place, the 3rd draw stage end.
Another kind method flexible program is realized like this, carries out Texturized to ribbon before promptly cutting off after stretching.
In order to reach the high as far as possible day production capacity more than 10 tons, ribbon is preferably extruded by an annular or the rectangular spinnerets with a large amount of spinneret orifices of about 60000-120000.
Be used to implement being characterized as of device of the present invention of the inventive method, the formation of draw stage and division, thereby can make have 6cN/dtex above high-intensity, be lower than 40%, especially be lower than 20% low elongation, polypropylene fibre with corresponding fiber number on the filament fiber number.Wherein the draw roll preferred design of Zhong Jian stretching device becomes heatable, to obtain all even continuous temperature adjustment to ribbon during stretching.Become to have the draw roll of cooling in the stretching device preferred design at the entrance and exit place of whole drawing zone.
Description of drawings
Below by means of the embodiment method that present invention will be described in detail with reference to the accompanying of apparatus of the present invention.
Accompanying drawing is represented:
Fig. 1 is schematically illustrated to be used to implement first embodiment by the device of the present invention of method of the present invention;
Schematically illustrated another embodiment of Fig. 2 by device of the present invention.
The specific embodiment
Schematically illustrated first embodiment that is used for the device of the present invention of single-stage manufacturing polypropylene fibre in Fig. 1.This device is being known in the art as the close-coupled spinning equipment that is used for especially being made by polypropylene staple fibre.Described close-coupled equipment is with the spinning speed work in being the 250m/min scope to the maximum.Thereby can reach the very high production capacity of every day up to 50 tons.
Device of the present invention is equivalent to this close-coupled equipment, has a device for spinning 1 that has a plurality of spinning positions that are arranged side by side 2.1,2.2 and 2.3 for this reason.The quantity of the spinning position of the embodiment shown in Fig. 1 is exemplary.The structure of each spinning position 2.1 to 2.3 is identical, therefore by means of spinning position 2.1 they is done detailed explanation.
In order to extrude a plurality of ribbons the one annular spinning head 3 that has a plurality of spinneret orifices on its bottom side is set preferably.For example can in spinning head 3, reach 120000 spinneret orifices with annular or rectangular arrangement setting.Spinning head 3 is connected with the melt source (not drawing here) of melt-flow under spinning head 3 discharge pressures.Extruder, pump or both combinations are suitable for as the melt source in principle, to flow to spinning head 3 melt conveying.Spinning position 2.1,2.2 and 2.3 spinning head 3 are arranged in the spinning manifold 15 of a heating.Below spinning manifold 15, in spinning position 2.1, be provided with one basically with the cooling device 4 of spinning head 3 centerings.Cooling device 4 is designed to a blowing device, produces cooling air flow by an annular blowing nozzle in this device, thereby the cooling air from inside to outside passes the annular heavy curtain (Schleier) that is formed by ribbon, with the cooling ribbon.Carry the cooling air from the top by spinning manifold 15 to cooling device 4 in the embodiment shown.But the cooling air transport device also can laterally be positioned near the ribbon of ejection.
In order to guide and handle the ribbon of in by the embodiment of Fig. 1, representing, a plurality for the treatment of apparatus are set in device for spinning 1 back with Reference numeral 5.At first device for spinning 1 directly sets a draw-gear 6.All comprise the device that is used to oil and guides ribbon 5 at each spinning position draw-gear 6.So for example when oiling, can on ribbon, be applied with finish by roller.Draw-gear 6 is arranged on device for spinning 1 below.Come out and merge with ribbon 5 deflection from vertical path of 2.3 by draw-gear 6 spinning positions 2.1,2.2.At this moment a plurality of ribbons 5 that are also referred to as strand or tow are extracted out by one first stretching device 7.1.Stretching device 7.1 is set directly at draw-gear 6 next doors.
Three other stretching devices 7.2,7.3 and 7.4 altogether are set in stretching device 7.1 back.Between stretching device 7.1,7.2,7.3 and 7.4, form a draw stage respectively.Promptly between first stretching device 7.1 and second stretching device 7.2, form one first draw stage 9.1.Between stretching device 7.2 and 7.3, form one second draw stage 9.2, between stretching device 7.3 and 7.4, form one the 3rd draw stage 9.3.In the stretching device 7.1 to 7.4 each has a plurality of draw rolls 8 that twine guiding ribbon 5 with individual pen respectively.The draw roll 8 of stretching device 7.1 to 7.4 is driven, and wherein the draw roll 8 of stretching device 7.1 to 7.4 moves with different circumferential speeds according to desirable draw ratio.In order to heat-treat ribbon simultaneously, draw roll 8 difference as requested of stretching device 7.1 to 7.4 has the roller shell of a cooling or the roller shell of heating.In order between first stretching device 7.1 and second stretching device 7.2, ribbon to be heat-treated, in first draw stage 9.1, establish a drawing by high temperature path 10 in addition.In the drawing by high temperature path 10 by means of hot-air or vapours with ribbon 5 temperature adjustments to a predetermined temperature.In second draw stage 9.2, between stretching device 7.2 and 7.3, be provided with another drawing by high temperature path 10 equally.
Be provided with a tension adjusting device 11 and in the end of the fiber path that constitutes by the stretching device 7.1 to 7.4 that is provided with in proper order and cut off device 12, continuously ribbon is cut into staple fibre with regulation fibre length.
In order to implement method of the present invention in device shown in Figure 1, will comprise that at first polyacrylic polymer melt is extruded into a plurality of ribbons by the spinning head 3 of spinning position 2.1 to 2.3 under pressure in device for spinning 1.The ribbon 5 that from spinning head 3, comes out by draw-gear 6 by stretching device 7.1 to be lower than the hauling speed of 100m/min, especially from spinning head 3, extract out with the hauling speed that is lower than 50m/min.At this moment ribbon 5 cools off by the best vaporific or gaseous cooling medium stream of being made up of air by means of cooling device 4, then it is oiled, and is merged into a strand that comprises all fibres bar when leaving draw-gear 6.Drive first stretching device 7.1 and draw roll 8 with hauling speed, wherein upwards ribbon is further cooled off in week simultaneously at the draw roll 8 of first stretching device 7.1.The draw roll 8 of first stretching device 7.1 is designed to have the shell surface of cooling for this reason.
In the draw stage 9.1,9.2 and 9.3 that three have the different stretch ratio respectively altogether, carry out the stretching of ribbon 5.Total drawing ratio is more than 4: 1.Here in each stage, carry out the stretching of ribbon with different intensity.In order to obtain high-intensity thin especially fiber, in first draw stage 9.1 to account for the part stretching stretch fiber strip of total drawing ratio at least 70%.In order to stretch in first draw stage 9.1, ribbon 5 temperature by hot air to＞100 ℃ especially in the drawing by high temperature path 10 is then by draw roll 8 guiding of second stretching device 7.2 that is heated to the temperature more than 100 ℃ equally.The second portion that carries out ribbon 5 in second draw stage 9.2 stretches, and wherein handles in a drawing by high temperature path 10 equally.Ribbon continues part by the 3rd stretching device 7.3 and stretches, and wherein the stretching of the part in second draw stage 9.2 is higher than the last part stretching in the 3rd draw stage 9.3.The draw roll 8 of the 3rd stretching device 7.3 is heated to equally＞100 ℃ surface temperature, and to obtain evenly continuous stretching.Ribbon 5 then cuts into the fiber of specific length equably by cooling draw roll 8 coolings of the 4th stretching device 7.4 after third part stretches.
On adopting market during common polyacrylic polymer, can in a plurality of series tests, make fiber with 6.6mm or 13mm fibre length, they have the filament fiber number in 0.9 to 1.6dtex scope, intensity in 8 to 9cN/dtex scopes and the percentage elongation in 18 to 21% scopes.Here melt temperature (Schmelzetemperatur) is adjusted to≤250 ℃ numerical value spinning when making ribbon.Nozzle plate has the annular layout with several ten thousand spinneret orifices.
The draw roll of first stretching device 7.1 is with the hauling speed in 25 to the 40m/min scopes, the draw roll of second stretching device 7.2 with the draw roll of the speed in 80 to the 115m/min scopes, the 3rd stretching device 7.3 with the draw roll of the speed in 100 to the 140m/min scopes, the 4th stretching device 7.4 with the speed drive in 110 to the 160m/min scopes.The surface temperature of draw roll 8 is about 30 ℃ in first stretching device 7.1, in second stretching device 7.2＞100 ℃, same in the 3rd stretching device 7.3＞100 ℃, be about 30 ℃ in the 4th stretching device 7.4.In first draw stage, carry out the temperature adjustment of ribbon with hot-air with the temperature more than 100 ℃ by the drawing by high temperature passage.Vapours with temperature＜100 ℃ in second draw stage 9.2 is handled ribbon.The part that being used to of realizing thus made described fiber is stretching in first draw stage, 9.1 inherences 2.8 to 3.2: 1 scope, in second draw stage 9.2 in 1.05 to 1.5: 1 scope, in the 3rd draw stage 9.3 in 1.05 to 1.3: 1 scope.Particularly in first draw stage 9.1 high draw ratio and in second draw stage 9.2 under the higher temperature and the follow-up stretching under lower temperature in the 3rd draw stage 9.3, in conjunction with less hauling speed, make and in ribbon, carry out preferred slow and continuous polymer crystallization.This slow and continuous crystallization makes the high intensity of realization under less remaining percentage elongation.Here can make thin especially fiber by multistage stretching with the following filament fiber number of 2dtex.
Schematically illustrated another embodiment that is used to implement apparatus of the present invention of the inventive method in Fig. 2.Not shown in the embodiment shown in Figure 2 device for spinning 1 and draw-gear 6.They are identical with the foregoing description, therefore can be with reference to above-mentioned explanation.
In the embodiment shown in Fig. 2, be used to handle ribbon and treating apparatus that front and back are provided with in proper order by stretching device 7.1,7.2,7.3 and 7.4 and one Texturized device 13, a drying device 14, and a tension adjusting device 11 and cuts off device 12 and forms.Stretching device 7.1 to 7.4 is designed to identical with the foregoing description basically, is the quantity difference of the used draw roll 8 of each stretching device.In order to handle ribbon, in each draw stage 9.1,9.2 and 9.3, be respectively equipped with a drawing by high temperature path 10.Wherein preferably carry out the processing of segment of fiber in the drawing by high temperature path 10 in first draw stage 9.1 and second draw stage 9.2, and in the 3rd draw stage 9.3, carry out with steam by hot-air.But also can in each draw stage 9.1 to 9.3, carry out the processing of fiber by the combination of hot air treatment and steam treatment.
Utilization can be made so Texturized polypropylene fibre at the embodiment shown in Fig. 2, and it has the intensity greater than 6cN/dtex, and＜40%, the fiber number of percentage elongation especially＜30% and filament fiber number＜2dtex.Ribbon 5 is Texturized by Texturized device 13 after stretching for this reason.Texturized device 13 is usually designed to the stuffer box crimping anamorphic attachment for cinemascope, wherein by transport ribbon is pressed into stuffer box.After Texturized, ribbon is imported drying device 14, then with the pulling force of stipulating it is flowed to shearing device 12 by tension adjusting device 11.Usually also connect a tow in Texturized device front and attach together and put and steam channel (all not shown).
By Fig. 1 and 2 by the structure of the embodiment of device of the present invention in the quantity for the treatment of apparatus with to select be illustrative, exist to introduce in principle additional treating apparatus and the processing stage possibility, for example by being used to form the tow that is suitable for Texturized fiber feed (Faserbelegung) and closing.Equally also can before and after order form draw stage more than three.For pressing method of the present invention and pressing device of the present invention importantly, in low hauling speed, in conjunction with at least three draw stage stretch fiber strips, and consider under the situation that part high in first draw stage stretches, carry out spinning with low melt temperature.For realizing importantly, after spinning and cooling, at first form the molecular structure of the segment of fiber of slight preorientation, so that obtain all even continuous crystallization then by method of the present invention.But also there is such possibility in principle, promptly processes other polymer, for example polyester or polyamide with device of the present invention.
The Reference numeral table
1 device for spinning
2.1,2.2,2.3 spinning positions
3 spinning heads
4 cooling devices
5 ribbons
6 draw-gears
7.1,7.2,7.3,7.4 stretching devices
8 draw rolls
9.1,9.2,9.3 draw stage
10 drawing by high temperature passages
11 tension adjusting devices
12 shearing devices
13 Texturized devices
14 drying devices
15 spinning manifolds
Claims (15)
1. be used to make the method that has the above intensity of 6cN/dtex and be lower than the high-strength polypropylene fiber of 40% percentage elongation, have following steps:
1.1 by a kind ofly having≤a plurality of ribbons of melt polypropylene melt-spinning of 250 ℃ melt temperature;
1.2 the hauling speed with one＜100m/min when cooling off described ribbon with a gaseous cooling medium is extracted ribbon out;
The described ribbon 1.3 stretch in having greater than at least three draw stage of 4: 1 total drawing ratio, wherein said ribbon obtain accounting for described total stretching at least 70% in first draw stage part stretches;
1.4 described ribbon is cut into polypropylene fibre with regulation fibre length.
2. by the described method of claim 1, it is characterized by: the part of described ribbon in second draw stage stretches and stretches greater than the part of described ribbon in the 3rd draw stage.
3. by the described method of claim 1, it is characterized by: extract described ribbon out by first stretching device with a plurality of draw rolls behind melt-spinning, described draw roll has the shell surface of a cooling respectively.
4. by the described method of claim 1, it is characterized by: the described ribbon of guiding passes a drawing by high temperature passage in first draw stage, and described ribbon is heated to one＞100 ℃ temperature.
5. by the described method of claim 4, it is characterized by: after first draw stage till enter the 3rd draw stage, by by the guiding of the draw roll of a plurality of heating with the temperature of described ribbon temperature adjustment to＞100 ℃.
6. by the described method of claim 4, it is characterized by: the draw roll that forms the stretching device of second draw stage has＞area of heating surface of 100 ℃ temperature.
7. by the described method of claim 4, it is characterized by: the described ribbon of guiding passes a drawing by high temperature passage and described ribbon is heated in second draw stage.
8. by claim 3 or 7 described methods, it is characterized by: described ribbon is heated by hot-air and/or vapours during passing the drawing by high temperature passage.
9. by the described method of claim 1, it is characterized by: the described ribbon of cooling after stretching wherein guides described ribbon by the draw roll in a plurality of coolings of one the 4th stretching device at place, the 3rd draw stage end, to carry out temperature adjustment.
10. by the described method of claim 1, it is characterized by: after stretching and carry out Texturized to described ribbon before the cut-out.
11. by the described method of claim 1, it is characterized by: described ribbon is extruded by an annular spinning head with a plurality of spinneret orifices of 60000 to 120000.
12. implement device by each described method of claim 1 to 11, has a device for spinning (1) that is used for melt-spinning ribbon (5), a plurality for the treatment of apparatus (6 that are used for guiding and handle described ribbon (5), 7,10,11) and a shearing device (12) that is used to cut off described ribbon (5), wherein said treating apparatus (6,7,10,11) has the stretching device (7.1 that has a plurality of draw rolls (8) respectively of a plurality of described ribbons (5) that are used to stretch, 7.2,7.3), it is characterized by: described stretching device (7.1-7.4) is arranged to three draw stage (9.1 altogether, 9.2,9.3); And can drive the draw roll (8) of described stretching device (7.1-7.4) mutually in this wise relatively, make the speed difference that between the stretching device (7.1,7.2) that forms first draw stage (9.1), forms produce at least 70% of total stretching.
13. by the described device of claim 12, it is characterized by: the draw roll (8) that forms the stretching device (7.2,7.3) of second draw stage (9.2) is designed to heatable.
14. by claim 12 or 13 described devices, it is characterized by: be designed to be cooled at the draw roll (8) of first draw stage (9.1), one first stretching device (7.1) before.
15. by the described device of claim 12, it is characterized by: the draw roll (8) of last stretching device (7.4) of locating in the 3rd draw stage (9.3) end is designed to be cooled.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10244830.2 | 2002-09-26 | ||
| DE10244830 | 2002-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1685092A CN1685092A (en) | 2005-10-19 |
| CN1328423C true CN1328423C (en) | 2007-07-25 |
Family
ID=32049164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038230348A Expired - Fee Related CN1328423C (en) | 2002-09-26 | 2003-09-19 | Method for producing highly stable polypropylene fibres |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1543184B1 (en) |
| KR (1) | KR20050061480A (en) |
| CN (1) | CN1328423C (en) |
| AU (1) | AU2003273907A1 (en) |
| BR (1) | BR0314746A (en) |
| DE (1) | DE50312095D1 (en) |
| RU (1) | RU2318085C2 (en) |
| WO (1) | WO2004031459A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347354C (en) * | 2006-04-17 | 2007-11-07 | 东华大学 | Device for preparing polypropylene fiber |
| CN102453986B (en) * | 2010-10-21 | 2013-12-04 | 盟鑫工业股份有限公司 | Drawing and twisting equipment |
| JP5607827B2 (en) * | 2011-05-30 | 2014-10-15 | トヨタ自動車株式会社 | High-strength polypropylene fiber and method for producing the same |
| KR101335659B1 (en) * | 2012-02-08 | 2013-12-03 | 건국대학교 산학협력단 | Method for manufacturing structural reinforcing polymer fiber |
| ITMI20130821A1 (en) * | 2013-05-21 | 2013-08-20 | M A E S P A | EQUIPMENT FOR IRONING FIBERS OF ACRYLICS IN A PRESSURE STEAM ATMOSPHERE AND AN AUTOMATIC ENTRY DEVICE FOR SUCH EQUIPMENT. |
| DE102016003796A1 (en) | 2015-05-06 | 2016-11-10 | Oerlikon Textile Gmbh & Co. Kg | Method and apparatus for hiding a plurality of melt-spun fiber strands |
| WO2018085910A1 (en) * | 2016-11-08 | 2018-05-17 | Braskem S.A. | Method and equipment for producing a polypropylene thread |
| CN108570721A (en) * | 2018-06-25 | 2018-09-25 | 张家港市金星纺织有限公司 | A kind of preparation facilities of polypropylene fibre |
| CN109295513A (en) * | 2018-12-17 | 2019-02-01 | 广东蒙泰高新纤维股份有限公司 | A kind of method that melt-spun-wet spinning technology prepares super High-strength low-shrinkage polypropylene filament yarn |
| CN109591330B (en) * | 2019-01-18 | 2024-02-06 | 无锡盛烨特邦新材料科技有限公司 | Glue-free fiber bar heat setting machine of glue-free fiber bar production line |
| CN112853624B (en) * | 2020-12-30 | 2022-12-06 | 天鼎丰聚丙烯材料技术有限公司 | Special polypropylene filament needle-punched drainage geotextile for tunnel, preparation method and preparation system |
| CN113774505B (en) * | 2021-09-14 | 2023-08-01 | 徐工集团工程机械股份有限公司 | Polypropylene fiber, preparation method and sweeping brush |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846654A (en) * | 1995-06-02 | 1998-12-08 | Hercules Incorporated | High tenacity, high elongation polypropylene fibers, their manufacture, and use |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW542859B (en) * | 1997-12-25 | 2003-07-21 | Chisso Corp | Concrete reinforcing fiber |
-
2003
- 2003-09-19 BR BR0314746-0A patent/BR0314746A/en not_active IP Right Cessation
- 2003-09-19 DE DE50312095T patent/DE50312095D1/en not_active Expired - Lifetime
- 2003-09-19 RU RU2005112708/04A patent/RU2318085C2/en not_active IP Right Cessation
- 2003-09-19 KR KR1020057005042A patent/KR20050061480A/en not_active Application Discontinuation
- 2003-09-19 EP EP03757872A patent/EP1543184B1/en not_active Expired - Fee Related
- 2003-09-19 AU AU2003273907A patent/AU2003273907A1/en not_active Abandoned
- 2003-09-19 WO PCT/EP2003/010453 patent/WO2004031459A1/en not_active Application Discontinuation
- 2003-09-19 CN CNB038230348A patent/CN1328423C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846654A (en) * | 1995-06-02 | 1998-12-08 | Hercules Incorporated | High tenacity, high elongation polypropylene fibers, their manufacture, and use |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004031459A1 (en) | 2004-04-15 |
| CN1685092A (en) | 2005-10-19 |
| EP1543184A1 (en) | 2005-06-22 |
| AU2003273907A1 (en) | 2004-04-23 |
| RU2005112708A (en) | 2007-05-20 |
| EP1543184B1 (en) | 2009-11-04 |
| RU2318085C2 (en) | 2008-02-27 |
| BR0314746A (en) | 2005-07-26 |
| KR20050061480A (en) | 2005-06-22 |
| DE50312095D1 (en) | 2009-12-17 |
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