EP0970269A1 - Verfahren zur herstellung von monofilamenten aus polyamid und monofilament für technische gewebe - Google Patents
Verfahren zur herstellung von monofilamenten aus polyamid und monofilament für technische gewebeInfo
- Publication number
- EP0970269A1 EP0970269A1 EP98906784A EP98906784A EP0970269A1 EP 0970269 A1 EP0970269 A1 EP 0970269A1 EP 98906784 A EP98906784 A EP 98906784A EP 98906784 A EP98906784 A EP 98906784A EP 0970269 A1 EP0970269 A1 EP 0970269A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- monofilament
- diameter
- technical fabric
- monofilaments
- mixed
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000004952 Polyamide Substances 0.000 title claims abstract description 7
- 229920002647 polyamide Polymers 0.000 title claims abstract description 7
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 16
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 206010003549 asthenia Diseases 0.000 claims 1
- 239000007787 solid Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 4
- 210000003934 vacuole Anatomy 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910021590 Copper(II) bromide Inorganic materials 0.000 description 1
- 229910021592 Copper(II) chloride Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(II) bromide Substances [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004073 vulcanization 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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
Definitions
- the invention relates to a method for producing vacuole-free, heat-protected, round monofilaments made of polyamide for technical fabrics.
- Coarse monofilaments are those with a titer of more than 8000 dtex, corresponding to a wire diameter of more than about 0.9 mm.
- the use of PA 6 alone as well as copolyamides thereof did not lead to the desired success. Because of the low melting point (approx. 218 ° C), PA 6 alone cannot be used at the intended vulcanization temperatures for heavy tires, such as truck tires.
- the object of the invention is to provide a method with which coarse monofilaments can be produced from light synthetic material for use in fabrics for carcasses or other textile insert materials in heavy tires.
- the object is achieved in that a mixture of 75-85% by weight of PA 66 and at least 15 to 25% by weight of PA 6 is mixed immediately before extrusion, spun and cooled directly in a liquid.
- the addition of the entire thermal insulation, embedded in the PA-66 polymer granulate, has the advantage of good final mixing in the monofilament without significant degradation of the polymer and the copper is prevented by the embedding in the polymer from sintering, for example on the extruder tube.
- the copper is used in the form of a copper salt.
- a halide such as copper (II) chloride, bromide or iodide is preferably used as the copper salt.
- PA 66 and PA 6 mixed in granulate form it is advantageous to add PA 66 and PA 6 mixed in granulate form to an extruder, in particular a degassing extruder.
- the granule thickness plays an important role in the mixture. It has a significant influence on the expulsion of moisture in the extruder.
- a grain weight of less than 10 mg leads to feeding problems with the conventional feed screws; a grain weight of more than 100 mg leads to poor mixing. It is important to ensure that the grain size of the granules for PA 66 and PA 6 is approximately the same.
- a monofilament for technical fabrics with a round cross section of 0.8 to 1.5 mm, preferably 0.9 to 1.2 mm and a melting point range of 235-260 ° C, preferably 245 ° C-260 ° C, in particular 255 - 260 ° C, is particularly suitable for the manufacture of the fabrics suitable for carcasses and breakers in tires.
- Has a round cross section the advantage over a non-round cross-section that the monofilament does not twist when processed into calendered fabrics.
- a monofilament thickness of ⁇ 0.8 mm has the disadvantages of insufficient tensile strength and stability; a monofilament thickness of>
- Loss of tensile strength 7-day heat treatment at 190 ° C.
- the PA 66 contains 100 ppm Cu as thermal protection.
- the mixed polymer granules, with a grain weight of 14 to 64 mg, are melted in a twin-screw extruder, the moisture is removed from the melt by means of vacuum and then carried out.
- the polymer melt is extruded into a water bath via a vertically arranged spinning head.
- the diameter of the multi-hole round hole die is 3.4 mm and the extrusion speed is 12.8 m / min.
- the raw wire is cooled in a water bath with a distance of 80 mm to the nozzle plate and a temperature of 40 ° C.
- the monofilament which is still hot inside, is drawn out of the cooling bath via two delivery rollers and fed to a drawing process via a further cooling section with a water temperature of 15-20 ° C.
- the monofilament is drawn in a ratio of 1: 4 to 5 with subsequent relaxation.
- the diameter of the resulting monofilament is 1.2 mm.
- the diameter of the resulting monofilament is 1.0 mm.
- the monofilament according to the invention is particularly suitable for the production of tire reinforcement fabrics and there in chain use, but also for paper machine screens in wet areas, as well as for fishing use.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH66997 | 1997-03-20 | ||
CH66997 | 1997-03-20 | ||
PCT/CH1998/000100 WO1998042900A1 (de) | 1997-03-20 | 1998-03-16 | Verfahren zur herstellung von monofilamenten aus polyamid und monofilament für technische gewebe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0970269A1 true EP0970269A1 (de) | 2000-01-12 |
EP0970269B1 EP0970269B1 (de) | 2002-09-11 |
Family
ID=4192397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98906784A Expired - Lifetime EP0970269B1 (de) | 1997-03-20 | 1998-03-16 | Verfahren zur herstellung von monofilamenten aus polyamid und monofilament für technische gewebe |
Country Status (13)
Country | Link |
---|---|
US (1) | US6238608B1 (de) |
EP (1) | EP0970269B1 (de) |
JP (1) | JP2001518152A (de) |
KR (1) | KR20000076341A (de) |
AR (1) | AR011096A1 (de) |
AT (1) | ATE223981T1 (de) |
BR (1) | BR9808286A (de) |
DE (1) | DE59805514D1 (de) |
DK (1) | DK0970269T3 (de) |
EA (1) | EA000984B1 (de) |
ID (1) | ID22387A (de) |
PT (1) | PT970269E (de) |
WO (1) | WO1998042900A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080132636A1 (en) * | 2004-06-03 | 2008-06-05 | Gilbert Ross | Nylon monofilaments and process for preparing nylon monofilaments for the production of spiral fabrics and seam wires |
US20060033231A1 (en) * | 2004-08-10 | 2006-02-16 | Reuter Rene F | Monofilament reinforced rubber component and method of producing |
US20080182938A1 (en) * | 2007-01-25 | 2008-07-31 | Heping Zhang | Toughened monofilaments |
EP2597179B1 (de) * | 2011-11-24 | 2014-01-08 | EMS-Patent AG | Flammhemmende Polymerfasern und deren Verwendung sowie diese Polymerfasern enthaltendes Textilgewebe |
CN109706565A (zh) * | 2019-02-18 | 2019-05-03 | 海安县中祥线业有限公司 | 多公斤级无结线制备工艺 |
CN114957988A (zh) * | 2022-07-14 | 2022-08-30 | 四川朗迪新材料有限公司 | 一种阻燃玻纤增强pa66/pp合金组合物 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA71465B (en) * | 1970-02-17 | 1971-10-27 | Du Pont | Colorless polyamide compositions and shaped articles stabilized for weatherability |
JPS59157314A (ja) * | 1983-02-18 | 1984-09-06 | Mitsubishi Chem Ind Ltd | ポリアミドモノフイラメントの製造法 |
DE3601565A1 (de) * | 1986-01-21 | 1987-07-23 | Bayer Ag | Verfahren zur herstellung von spiralsieben |
US5262099A (en) | 1992-04-01 | 1993-11-16 | E. I. Du Pont De Nemours And Company | Process of making high tenacity polyamide monofilaments |
JP3234295B2 (ja) * | 1992-08-27 | 2001-12-04 | 旭化成株式会社 | ポリヘキサメチレンアジパミド繊維の製造方法 |
JPH0881823A (ja) * | 1994-09-08 | 1996-03-26 | Toray Monofilament Co Ltd | 延縄用ポリアミドモノフィラメントおよびその製造方法 |
-
1998
- 1998-01-29 AR ARP980100395A patent/AR011096A1/es unknown
- 1998-03-16 WO PCT/CH1998/000100 patent/WO1998042900A1/de active IP Right Grant
- 1998-03-16 AT AT98906784T patent/ATE223981T1/de not_active IP Right Cessation
- 1998-03-16 EA EA199900852A patent/EA000984B1/ru not_active IP Right Cessation
- 1998-03-16 EP EP98906784A patent/EP0970269B1/de not_active Expired - Lifetime
- 1998-03-16 DE DE59805514T patent/DE59805514D1/de not_active Expired - Fee Related
- 1998-03-16 PT PT98906784T patent/PT970269E/pt unknown
- 1998-03-16 BR BR9808286-8A patent/BR9808286A/pt active Search and Examination
- 1998-03-16 US US09/380,451 patent/US6238608B1/en not_active Expired - Fee Related
- 1998-03-16 JP JP54462198A patent/JP2001518152A/ja not_active Abandoned
- 1998-03-16 DK DK98906784T patent/DK0970269T3/da active
- 1998-03-16 KR KR1019997008442A patent/KR20000076341A/ko active IP Right Grant
-
1999
- 1999-03-16 ID IDW991039A patent/ID22387A/id unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9842900A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK0970269T3 (da) | 2003-09-08 |
WO1998042900A1 (de) | 1998-10-01 |
DE59805514D1 (de) | 2002-10-17 |
JP2001518152A (ja) | 2001-10-09 |
AR011096A1 (es) | 2000-08-02 |
EA000984B1 (ru) | 2000-08-28 |
PT970269E (pt) | 2003-03-31 |
US6238608B1 (en) | 2001-05-29 |
ATE223981T1 (de) | 2002-09-15 |
EA199900852A1 (ru) | 2000-04-24 |
ID22387A (id) | 1999-10-07 |
BR9808286A (pt) | 2000-05-16 |
KR20000076341A (ko) | 2000-12-26 |
EP0970269B1 (de) | 2002-09-11 |
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