EP1730333A1 - Monofilaments a base de polypropylene a proprietes ameliorees. - Google Patents
Monofilaments a base de polypropylene a proprietes ameliorees.Info
- Publication number
- EP1730333A1 EP1730333A1 EP05742618A EP05742618A EP1730333A1 EP 1730333 A1 EP1730333 A1 EP 1730333A1 EP 05742618 A EP05742618 A EP 05742618A EP 05742618 A EP05742618 A EP 05742618A EP 1730333 A1 EP1730333 A1 EP 1730333A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- monofilaments
- polypropylene
- abrasion
- equal
- filtration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 Polypropylene Polymers 0.000 title claims abstract description 41
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 39
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 38
- 238000005299 abrasion Methods 0.000 claims abstract description 26
- 239000012968 metallocene catalyst Substances 0.000 claims abstract description 8
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 11
- 239000000654 additive Substances 0.000 description 9
- 239000008187 granular material Substances 0.000 description 8
- 235000012771 pancakes Nutrition 0.000 description 8
- 238000009941 weaving Methods 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 6
- 210000001520 comb Anatomy 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000003352 fibrogenic effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- ILZSSCVGGYJLOG-UHFFFAOYSA-N cobaltocene Chemical compound [Co+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 ILZSSCVGGYJLOG-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KOMDZQSPRDYARS-UHFFFAOYSA-N cyclopenta-1,3-diene titanium Chemical compound [Ti].C1C=CC=C1.C1C=CC=C1 KOMDZQSPRDYARS-UHFFFAOYSA-N 0.000 description 1
- ZMMRKRFMSDTOLV-UHFFFAOYSA-N cyclopenta-1,3-diene zirconium Chemical compound [Zr].C1C=CC=C1.C1C=CC=C1 ZMMRKRFMSDTOLV-UHFFFAOYSA-N 0.000 description 1
- KZPXREABEBSAQM-UHFFFAOYSA-N cyclopenta-1,3-diene;nickel(2+) Chemical compound [Ni+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KZPXREABEBSAQM-UHFFFAOYSA-N 0.000 description 1
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
Definitions
- the present invention relates to polypropylene-based monofilaments having improved properties, including improved abrasion resistance, a method of making these monofilaments and their use.
- the invention relates more particularly to polypropylene-based monofilaments, the polypropylene being obtained by polymerization of propylene in the presence of a metallocene catalyst.
- Two-dimensional polypropylene textile articles are of great interest, as chemically and mechanically resistant filtration media, for filtration in the chemical, pharmaceutical and food industries.
- relatively coarse monofilaments are required, which have a diameter greater than 0.050 mm.
- Monofilaments of pure polypropylene have the disadvantage of forming a lot of dust due to the low resistance of this substance to abrasion during the weaving process.
- the abrasion problem is also known for other thermoplastics.
- I ⁇ P-A2-0 784 107 cites monofilaments spun in the molten state, of polyamide, polyester or polypropylene, intended for the fabrics of paper machines and for the threads of edge cutters.
- abrasion resistant monofilaments are obtained using 70 to 99% by weight of fibrogenic polymer and 1 to 30% by weight of a polyethylene / polypropylene rubber, modified with maleic anhydride. , and other additives.
- the examples are however limited, as far as the fibrogenic polymer is concerned, to polyamide 6 and to polyethylene terephthalate, as well as to a copolyamide of PA66 and PA6. Spinning speeds are not specified.
- EP-A-1059370 a process is also known for manufacturing polypropylene multifilaments intended for textile applications.
- isotactic polypropylene is used, the melt viscosity index of which is greater than 19 g for 10 minutes.
- 2 dpf deniers per fiber
- polypropylene monofilaments comprising additives.
- the polypropylene used to manufacture the monofilaments has a melt viscosity index greater than or equal to 6 g for 10 minutes. These monofilaments have correct abrasion resistance properties.
- the problem of the invention consists in making available monofilaments based on polypropylene, more resistant to abrasion than the monofilaments known from the prior art.
- Another problem of the invention consists in obtaining monofilaments based on polypropylene, which exhibit improved resistance to abrasion during weaving.
- Yet another problem consists in making available the use of monofilaments, having good abrasion resistance, for the manufacture of two-dimensional technical articles, in particular intended for filtration.
- the problem is solved according to the invention in particular through the use, for the manufacture of monofilaments, of a polypropylene obtained by polymerization of propylene in the presence of a metallocene catalyst.
- the polypropylenes conventionally used in the manufacture of monofilaments are isotactic polypropylenes.
- metallocene is meant a coordination compound (ferrocene, cobaltocene, nickelocene, titanocene, zirconocene, uranocene etc.) obtained as a cyclopentadienyl derivative of a transition metal.
- Metallocene catalysts are known to those skilled in the art.
- metallocene catalysts are different from the catalysts known under the name of Ziegler-Natta catalysts.
- the metallocene catalysts of the invention may or may not be supported.
- the monofilaments of the invention advantageously have an abrasion less than or equal to 0.014%.
- the abrasion of the monofilaments is determined by gravimetric measurement of the quantity of down produced during the manufacture of a length of fabric of 300 m, according to the method described below in the experimental part.
- the abrasion value corresponds to the result of the formula described below in the experimental part, calculated for a fabric length of 300 m.
- the monofilaments have an abrasion of less than 0.014%.
- irregularities can occur during weaving, due to too rapid fouling of the combs. This may require shortening the intervals between cleanings, which decreases the productivity of the loom.
- the monofilaments of the invention preferably have an abrasion less than or equal to 0.005%. It is appropriate that the monofilaments have a resistance of at least 50 cN / tex, for an elongation corresponding to the maximum tensile force (elongation at break) at least equal to 20%. Indeed, a resistance of less than 50 cN / tex has the drawback of multiplying the breaks in the yarn during the weaving process.
- the monofilaments of the invention advantageously have a mechanical constant greater than or equal to 285.
- the diameter of the monofilaments of the invention is advantageously greater than or equal to 0.05mm.
- the monofilaments of the invention can comprise additives.
- the monofilaments advantageously comprise from 0.01 to 20% by weight of additive relative to the weight of polypropylene.
- it is suitable to use as an additive a polypropylene / polyethylene copolymer having a melting point> 140 ° C.
- this additive is present in a proportion of 1 to 20% by weight relative to the weight of polypropylene.
- the invention also relates to a method for manufacturing the monofilaments of the invention, comprising the steps of spinning polypropylene in the melt by extrusion, drawing and winding.
- the polypropylene-based monofilaments of the invention can be obtained from conventional spinning methods. They are generally obtained by melt spinning by extrusion, cooling in a water bath when the titer of the monofilaments is greater than or equal to 0.05mm, drawing and winding.
- the monofilaments of the invention comprise an additive, the additive is generally added to the polypropylene upstream of an extruder before spinning.
- the monofilaments according to the invention are particularly suitable for the manufacture of two-dimensional technical articles, and in particular for the manufacture of such articles in the field of filtration. These articles, when they are intended for filtration, in particular in the chemical, pharmaceutical and food industries, are preferably fabrics. The invention will now be described in more detail, using examples.
- Polymer A polypropylene marketed by the company Atofina under the reference MR 15 2002®, having a melt viscosity index (MFl) 230 ° C / 2.16 kg of 15 g / 10 min
- Polymer B polypropylene marketed by the company Atofina under the reference
- the polypropylene granules and optionally the additive granules are admitted directly into the extruder and melted.
- Wiring block electrically heated
- Titration pump 21 rpm Dies: diameter: 0.7 mm capillary length: 3 x D
- Water bath distance between die and water bath: 45 mm temperature: 40 ° C (example 1) or 50 C (example 2)
- Drawing bench 1 7 pancakes; diameter of the pancakes: 230 mm; 1 heating channel Drawing bench 2: 7 pancakes; diameter of the pancakes: 230 mm; 1 heating channel Drawing bench 3: 7 pancakes; diameter of the pancakes: 230 mm; 2 heating channels Drawing bench 4: 4 pancakes; diameter of the pancakes: 230 mm
- CM The mechanical constant CM is calculated according to the following formula: where D denotes the elongation in [%] and F denotes the resistance in [cN / tex].
- the sectional beams of 1000 m each, were manufactured using monofilaments of 60 coils of the different variants.
- the weaving tests are carried out on a ribbon loom.
- the crowd is formed by eccentrics.
- Density of warp threads 22.80 threads / cm Comb: opening: 0.175 mm thickness of teeth: 0.264 mm width of teeth: 7.0 mm
- the combs are photographed after an operating time corresponding to a length of fabric of 300 m, and they are assigned a classification.
- FIGS. 1A, 1B and 1C show photographs of the combs after weaving test according to the method described above.
- Figure 1A corresponds to Example 1, Figure 1B to Example 2, Figure 1C to the comparative example.
- the combs of FIGS. 1A and 1B have practically no down, while that of FIG. 1C has a non-negligible amount of down.
- the abrasion behavior can also be evaluated using the same gravimetric method described above, for a fabric length of 1000 m.
- FIG. 2 presents the results in terms of abrasion behavior of examples 1, 2 and the comparative example.
- Monofilaments are obtained from granules of polymer A according to a method and under the conditions described above.
- Monofilaments are obtained from granules of polymer A and granules consisting of polypropylene and modified polyolefin PP / PE, with a melting point> 140 ° C, according to a method and under the conditions described above.
- Example 3 Monofilaments are obtained from granules of polymer B according to a method and under the conditions described above.
- Example 4 Monofilaments are obtained from granules of polymer C according to a method and under the conditions described above.
- Comparative Example Monofilaments are obtained in accordance with Example 2 of patent application WO 03/048434. Their abrasion is 0.0156% (300 m fabric).
- the monofilaments according to the invention are suitable for the manufacture, without abrasion, of fabrics intended for filtration. Thanks to the monofilaments according to the invention, it has been possible to weave practically without abrasion the polypropylene monofilament and to considerably increase the operating time of the loom. This monofilament is particularly suitable for the manufacture of fabrics which are used for filtration in the chemical, pharmaceutical and food industries.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0403282A FR2868437B1 (fr) | 2004-03-30 | 2004-03-30 | Monofilaments a base de polypropylene a proprietes ameliorees |
| PCT/FR2005/000687 WO2005100648A1 (fr) | 2004-03-30 | 2005-03-22 | Monofilaments a base de polypropylene a proprietes ameliorees. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1730333A1 true EP1730333A1 (fr) | 2006-12-13 |
| EP1730333B1 EP1730333B1 (fr) | 2013-05-22 |
Family
ID=34944334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05742618.1A Expired - Lifetime EP1730333B1 (fr) | 2004-03-30 | 2005-03-22 | Procede de fabrication d'une bobine avec un monofilament de polypropylene |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20070264500A1 (fr) |
| EP (1) | EP1730333B1 (fr) |
| JP (1) | JP2007530812A (fr) |
| KR (1) | KR20060132981A (fr) |
| CN (1) | CN100558956C (fr) |
| AU (1) | AU2005233340B2 (fr) |
| BR (1) | BRPI0508736A (fr) |
| CA (1) | CA2561319C (fr) |
| FR (1) | FR2868437B1 (fr) |
| PT (1) | PT1730333E (fr) |
| TW (1) | TWI312817B (fr) |
| WO (1) | WO2005100648A1 (fr) |
| ZA (1) | ZA200608116B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702521A (zh) * | 2016-12-08 | 2017-05-24 | 李晓光 | 可改善保温功能的丙纶长丝 |
| KR102278013B1 (ko) | 2017-12-21 | 2021-07-15 | 주식회사 엘지화학 | 폴리프로필렌 부직포 제조 방법 |
| WO2019124911A1 (fr) * | 2017-12-21 | 2019-06-27 | 주식회사 엘지화학 | Procédé de production de tissu non tissé en polypropylène |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421566A (en) * | 1982-09-17 | 1983-12-20 | National Starch And Chemical Corporation | Warp size |
| TW275076B (fr) * | 1992-12-02 | 1996-05-01 | Hoechst Ag | |
| EP0700464A1 (fr) * | 1993-05-25 | 1996-03-13 | Exxon Chemical Patents Inc. | Nouvelles fibres en polyolefines et tissus fabriques a l'aide desdits fibres |
| JPH10195714A (ja) * | 1996-12-27 | 1998-07-28 | Mitsui Chem Inc | ポリプロピレン製繊維 |
| US6416699B1 (en) * | 1999-06-09 | 2002-07-09 | Fina Technology, Inc. | Reduced shrinkage in metallocene isotactic polypropylene fibers |
| CA2369349A1 (fr) * | 2000-01-19 | 2001-07-26 | Mitsui Chemicals, Inc. | Textile non tisse file-lie et stratifie |
| TW579394B (en) * | 2001-04-24 | 2004-03-11 | Rhodia Industrial Yarns Ag | Process for the production of fine monofilaments made from polypropylene, fine monofilaments made from polypropylene, and their application |
| WO2003048434A1 (fr) * | 2001-12-05 | 2003-06-12 | Rhodia Industrial Yarns Ag | Procede de fabrication de monofilaments de polypropylene, monofilaments de polypropylene et leur utilisation |
| US6878327B2 (en) * | 2002-04-19 | 2005-04-12 | Fina Technology, Inc. | Process of making polypropylene fibers |
-
2004
- 2004-03-30 FR FR0403282A patent/FR2868437B1/fr not_active Expired - Fee Related
-
2005
- 2005-03-22 CA CA2561319A patent/CA2561319C/fr not_active Expired - Fee Related
- 2005-03-22 WO PCT/FR2005/000687 patent/WO2005100648A1/fr not_active Ceased
- 2005-03-22 JP JP2007505574A patent/JP2007530812A/ja active Pending
- 2005-03-22 EP EP05742618.1A patent/EP1730333B1/fr not_active Expired - Lifetime
- 2005-03-22 US US11/547,156 patent/US20070264500A1/en not_active Abandoned
- 2005-03-22 BR BRPI0508736-8A patent/BRPI0508736A/pt not_active Application Discontinuation
- 2005-03-22 CN CN200580014101.3A patent/CN100558956C/zh not_active Expired - Fee Related
- 2005-03-22 PT PT57426181T patent/PT1730333E/pt unknown
- 2005-03-22 KR KR1020067020444A patent/KR20060132981A/ko not_active Ceased
- 2005-03-22 AU AU2005233340A patent/AU2005233340B2/en not_active Ceased
- 2005-03-29 TW TW094109843A patent/TWI312817B/zh not_active IP Right Cessation
-
2006
- 2006-09-29 ZA ZA2006/08116A patent/ZA200608116B/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005100648A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005233340B2 (en) | 2008-08-07 |
| FR2868437B1 (fr) | 2006-05-26 |
| EP1730333B1 (fr) | 2013-05-22 |
| ZA200608116B (en) | 2008-04-30 |
| KR20060132981A (ko) | 2006-12-22 |
| CA2561319A1 (fr) | 2005-10-27 |
| CN1950550A (zh) | 2007-04-18 |
| AU2005233340A1 (en) | 2005-10-27 |
| PT1730333E (pt) | 2013-08-27 |
| TWI312817B (en) | 2009-08-01 |
| FR2868437A1 (fr) | 2005-10-07 |
| JP2007530812A (ja) | 2007-11-01 |
| TW200613593A (en) | 2006-05-01 |
| CA2561319C (fr) | 2010-02-16 |
| WO2005100648A1 (fr) | 2005-10-27 |
| CN100558956C (zh) | 2009-11-11 |
| US20070264500A1 (en) | 2007-11-15 |
| BRPI0508736A (pt) | 2007-08-14 |
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