EP0464400B1 - Méthode de fabrication des nappes non tissées aiguilletées - Google Patents

Méthode de fabrication des nappes non tissées aiguilletées Download PDF

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Publication number
EP0464400B1
EP0464400B1 EP91109448A EP91109448A EP0464400B1 EP 0464400 B1 EP0464400 B1 EP 0464400B1 EP 91109448 A EP91109448 A EP 91109448A EP 91109448 A EP91109448 A EP 91109448A EP 0464400 B1 EP0464400 B1 EP 0464400B1
Authority
EP
European Patent Office
Prior art keywords
fleece
sealed
nonwoven
filaments
needling
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.)
Expired - Lifetime
Application number
EP91109448A
Other languages
German (de)
English (en)
Other versions
EP0464400A1 (fr
Inventor
Heinrich Dipl.-Chem. Schneider
Heinz Bocksrucker
Karl Dipl.-Ing. Mühlberghuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polyfelt GmbH
Original Assignee
Polyfelt GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Polyfelt GmbH filed Critical Polyfelt GmbH
Publication of EP0464400A1 publication Critical patent/EP0464400A1/fr
Application granted granted Critical
Publication of EP0464400B1 publication Critical patent/EP0464400B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding

Definitions

  • this disadvantageous process step of pre-needling can be eliminated by placing the still unconsolidated fleece coming from the spinning system on a rotating screen drum on which the finishing agent is sucked through the fleece in the form of a mist by means of negative pressure and over several suction zones are sucked through the inside of the sieve drum.
  • the main disadvantage of this already improved method is that the The nonwoven's uniform weight per unit area is still unsatisfactory, since high production speeds are not possible and that a relatively complicated depositing device with the aid of negative pressure and complicated regulations is required.
  • spunbonded nonwovens with good basis weight uniformity can be produced at about twice, in special cases also at higher production speeds compared to known methods.
  • speeds of up to about 40 m / min and, in special cases, up to about 60 m / min can be achieved, depending on the nonwoven weight.
  • conventional Processes for producing needled spunbonded nonwovens have a maximum production speed of about 20 m / min.
  • the two nonwoven surfaces are preferably sealed only to a maximum depth of 0.2 mm.
  • the method according to the invention is suitable for producing nonwovens from all thermoplastics suitable for spunbonding technology. It is preferred for the production of spunbonded fabrics from polyolefin threads, such as. B. polyethylene or polypropylene threads, polyamide threads or polyester threads. Polypropylene threads are particularly preferably used, both threads made of polypropylene homopolymers and propylene-ethylene copolymers being possible.
  • the basis weights of the nonwovens produced are approximately 30 to 2500 g / m2, preferably approximately 100 to 2000 g / m2.
  • the lubricant can by conventional methods such. B. be applied by spraying or by means of impregnation rollers.
  • the subsequent needling is carried out on known needling machines, for example as described in DE-PS 30 09 116, where solidification is carried out in one step or in stages up to the desired degree of needling.
  • the loose fleece structure was reversibly consolidated, whereby only the fibers located on the fleece surfaces were caught and softened by the temperature influence and by the roller pressure were pressed together, a kind of sintering effect being achieved at the crossing points of the fibers.
  • Sufficiently viable surface layers were created on the top and bottom sides of the fleece, which can be redissolved in the later process, the layer thickness being less than 0.1 mm.
  • the fleece obtained had the following properties: Grammage (DIN 53 854) 110 g / m2 Basis weight uniformity c V (DIN 53854) 8th % Strip tensile strength (DIN 53 857/2) 780 N / 10 cm Stamp puncture resistance x (DIN 54 307) 1320 N.
  • Example 2 Analogously to Example 1, a web with a basis weight of 1000 g / m2 was produced at a belt speed of 3 m / min. The pre-consolidation was carried out at 120 ° C - 125 ° C roller surface temperature and 35 - 40 N / mm line pressure. The thickness of the sealed surface layer was 0.2 mm, at least 90-95% of the fibers remained unconsolidated.
  • Example 2 Analogously to Example 1, a fleece with a basis weight of 70 g / m2 was produced at a belt speed of 35 m / min. The pre-consolidation was carried out at 130 - 135 ° C roller surface temperature and 20 - 30 N / mm line pressure. The thickness of the sealed surface layer was 0.05 mm, at least 60% of the fibers remained unconsolidated.
  • polyester with an MFI (280 ° C / 2.16 kg) of 40-45 and a relative viscosity of 1.3-1.4 at 280-300 ° C were fibers with a fineness of 2-8 dtex spun and at a production speed of 27 m / min a fleece with a basis weight of 100 g / m2 is produced.
  • the pre-consolidation on the calender was carried out at a roller surface temperature of 180 - 190 ° C and 25 - 30 N / mm line pressure.
  • Basis weight 100 g / m2 Uniformity of basis weight 8th % Strip tensile strength 680 N / 10 cm Stamp puncture resistance 1140 N.
  • Fibers with a fineness of 6-8 dtex were spun from polyamide 6 with a relative viscosity of 2.4-2.5 at 300-310 ° C and a nonwoven with a basis weight at a production speed of 10 m / min of 250 g / m2.
  • the pre-consolidation on the calender was carried out at a roller surface temperature of 190 - 200 ° C and 30 - 35 N / mm line pressure.
  • fibers with a fineness of 8-12 dtex were spun from polyethylene (HDPE) with an MFI (190 ° C./2.16 kg) of 12-14 at 210-240 ° C. and at a production speed of 25 m / min a fleece with a basis weight of 110 g / m2 is produced.
  • the calender was pre-consolidated at a roller surface temperature of 90 - 100 ° C and 25 - 30 N / mm line pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Fats And Perfumes (AREA)
  • Element Separation (AREA)
  • Moulding By Coating Moulds (AREA)
  • Materials For Medical Uses (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Inorganic Fibers (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Artificial Filaments (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Laminated Bodies (AREA)
  • Knitting Of Fabric (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Claims (6)

  1. Procédé de fabrication de non-tissés de filature aiguilletés en fibres thermoplastiques, caractérisé en ce que les fils venant de la filature, qui sont étirés et déposés sous la forme d'un non-tissé, sont :
    a) thermiquement scellés au niveau des deux surfaces du non-tissé,
    b) mélangés avec un agent de glissement, et
    c) fixés par un aiguilletage, le frittage aux points de croisement des fils sur les surfaces scellées du non-tissé étant à nouveau dissous.
  2. Procédé selon la revendication 1, caractérisé en ce que les deux surfaces du non-tissé sont scellées jusqu'à une profondeur maximale de 0,2 mm.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que les surfaces du non-tissé sont scellées au moyen de cylindres chauffés.
  4. Procedé selon la revendication 3, caractérisé en ce que les surfaces du non-tissé sont scellées au moyen de cylindres de calandrage chauffés.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les fils thermoplastiques sont constitués de fils de polyoléfine, de fils de polyamide ou de fils de polyester.
  6. Procédé selon la revendication 5, caractérisé en ce que les fils thermoplastiques sont en polypropylène.
EP91109448A 1990-07-02 1991-06-08 Méthode de fabrication des nappes non tissées aiguilletées Expired - Lifetime EP0464400B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0140190A AT394216B (de) 1990-07-02 1990-07-02 Verfahren zur herstellung von vernadelten spinnvliesen
AT1401/90 1990-07-02

Publications (2)

Publication Number Publication Date
EP0464400A1 EP0464400A1 (fr) 1992-01-08
EP0464400B1 true EP0464400B1 (fr) 1995-07-19

Family

ID=3513094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91109448A Expired - Lifetime EP0464400B1 (fr) 1990-07-02 1991-06-08 Méthode de fabrication des nappes non tissées aiguilletées

Country Status (36)

Country Link
US (1) US5213735A (fr)
EP (1) EP0464400B1 (fr)
JP (1) JPH0796747B2 (fr)
KR (1) KR100195383B1 (fr)
CN (1) CN1025874C (fr)
AT (2) AT394216B (fr)
AU (1) AU625571B2 (fr)
BG (1) BG60076B2 (fr)
BR (1) BR9102744A (fr)
CA (1) CA2043685C (fr)
CZ (1) CZ280473B6 (fr)
DE (1) DE59106012D1 (fr)
DK (1) DK0464400T3 (fr)
ES (1) ES2074609T3 (fr)
FI (1) FI97976C (fr)
HR (1) HRP940776B1 (fr)
HU (1) HU211375B (fr)
IE (1) IE67129B1 (fr)
LT (1) LT3452B (fr)
LV (1) LV11196B (fr)
MD (1) MD392C2 (fr)
MX (1) MX9100039A (fr)
MY (1) MY107850A (fr)
NO (1) NO177722C (fr)
NZ (1) NZ238441A (fr)
PL (1) PL167572B1 (fr)
PT (1) PT98176B (fr)
RO (1) RO108704B1 (fr)
RU (1) RU1833444C (fr)
SA (1) SA91110424B1 (fr)
SI (1) SI9111134A (fr)
SK (1) SK280277B6 (fr)
TR (1) TR25463A (fr)
UA (1) UA12839A (fr)
YU (1) YU47615B (fr)
ZA (1) ZA914422B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001146671A (ja) * 1999-11-16 2001-05-29 Toyobo Co Ltd 長繊維不織布
KR100430914B1 (ko) * 2001-08-01 2004-05-10 전종술 폐 유리섬유 휄트의 개섬방법 및 그 장치
FR2862987B1 (fr) 2003-11-28 2006-09-22 Saint Gobain Vetrotex Mat de verre aiguillette
JP4071704B2 (ja) * 2003-12-08 2008-04-02 名古屋油化株式会社 伸縮性不織布からなる成形材料、およびそれを用いてなる内装材
ES2325159T3 (es) * 2004-11-23 2009-08-27 REIFENHAUSER GMBH & CO. KG MASCHINENFABRIK Laminado compuesto de al menos tres capas y procedimiento para fabricar un laminado de al menos tres capas.
US20090220729A1 (en) * 2006-03-24 2009-09-03 Francois Roederer Needle-Punched Glass Mat
CN101219307B (zh) * 2007-09-27 2010-05-19 上海博格工业用布有限公司 纺丝成网与水射流加固结合的非织造过滤材料的制作方法
CN106868718B (zh) * 2017-02-22 2020-02-21 天鼎丰聚丙烯材料技术有限公司 一种高强聚丙烯纺粘针刺土工布及其制备方法
CN106906538B (zh) * 2017-02-22 2019-12-13 天鼎丰聚丙烯材料技术有限公司 一种聚丙烯长丝、聚丙烯长丝针刺反滤土工布及制备方法
FR3070623B1 (fr) * 2017-09-04 2020-10-09 Coriolis Composites Procede de realisation d’une piece en materiau composite par aiguilletage oriente d’une preforme

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1601049A (fr) 1968-12-31 1970-08-03
US3660555A (en) * 1969-03-06 1972-05-02 Phillips Petroleum Co Method of bonding nonwoven textile fabrics
US3994759A (en) * 1970-07-23 1976-11-30 Phillips Petroleum Company Needled nonwoven material and method for making same
FR2157270A5 (en) * 1971-10-20 1973-06-01 Pate De Bois Non-woven fabric - for soil stabilisation
CA989879A (en) * 1972-04-10 1976-05-25 Ping-Wha Lin Calcium oxide particles coated with calcium sulfate
JPS5335623B2 (fr) * 1972-07-17 1978-09-28
IT992893B (it) * 1972-08-17 1975-09-30 Lutravil Spinnvlies Veli di filatura ad alta resisten za e dimensionalmente stabili e processo per la loro preparazione
JPS6025543B2 (ja) * 1975-11-10 1985-06-19 株式会社クラレ 絡合性の良好な連続フイラメント不織布の製造法
DE3009116A1 (de) * 1980-03-10 1981-09-24 Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München Verfahren und vorrichtung zur herstellung von vernadelten, in wirrlage abgelegten endlosfadenvliesen
JPS6025543A (ja) * 1983-07-21 1985-02-08 Teijin Yuka Kk 触媒組成物および脱アルキル化方法
DE3405669A1 (de) * 1984-02-17 1985-08-22 Fa. Carl Freudenberg, 6940 Weinheim Fuellvliesstoff und verfahren zu dessen herstellung
US4582750A (en) * 1985-04-16 1986-04-15 E. I. Du Pont De Nemours And Company Process for making a nonwoven fabric of needling, heating, burnishing and cooling
JP2576973B2 (ja) * 1986-07-05 1997-01-29 キヤノン株式会社 セラミツク形成組成物及びこれを用いた半導体磁器基体と誘電体磁器基体並びにコンデンサ−
JP2749330B2 (ja) * 1988-08-22 1998-05-13 ユニチカ株式会社 高モジユラスニードルパンチ不織布及びその製造方法
DE3835007A1 (de) * 1988-10-13 1990-04-19 Gruenzweig & Hartmann Verfahren zur herstellung von nadelfilz aus steinwolle
US4935295A (en) 1988-12-01 1990-06-19 E. I. Du Pont De Nemours And Company Needling process for spundbonded composites

Also Published As

Publication number Publication date
AT394216B (de) 1992-02-25
CA2043685A1 (fr) 1992-01-03
SA91110424B1 (ar) 2003-01-15
JPH0796747B2 (ja) 1995-10-18
DK0464400T3 (da) 1995-09-04
NO177722C (no) 1995-11-08
US5213735A (en) 1993-05-25
TR25463A (tr) 1993-05-01
PT98176A (pt) 1993-08-31
CN1057871A (zh) 1992-01-15
MY107850A (en) 1996-06-29
MD392C2 (ro) 1996-06-30
EP0464400A1 (fr) 1992-01-08
FI912987A0 (fi) 1991-06-19
ZA914422B (en) 1992-03-25
FI97976C (fi) 1997-03-25
HU912217D0 (en) 1991-12-30
HRP940776A2 (en) 1996-08-31
NZ238441A (en) 1993-02-25
IE67129B1 (en) 1996-03-06
BG60076B2 (en) 1993-09-30
IE911806A1 (en) 1992-01-15
ES2074609T3 (es) 1995-09-16
ATA140190A (de) 1991-08-15
CS203591A3 (en) 1992-08-12
CZ280473B6 (cs) 1996-01-17
NO912359D0 (no) 1991-06-18
LV11196A (lv) 1996-04-20
PL290904A1 (en) 1992-02-10
BR9102744A (pt) 1992-02-04
LTIP1569A (en) 1995-06-26
LT3452B (en) 1995-10-25
LV11196B (en) 1996-08-20
PL167572B1 (pl) 1995-09-30
PT98176B (pt) 1998-12-31
DE59106012D1 (de) 1995-08-24
ATE125314T1 (de) 1995-08-15
CN1025874C (zh) 1994-09-07
KR920002862A (ko) 1992-02-28
SK280277B6 (sk) 1999-10-08
FI912987A (fi) 1992-01-03
MX9100039A (es) 1992-02-28
NO912359L (no) 1992-01-03
HRP940776B1 (en) 1998-06-30
RU1833444C (en) 1993-08-07
YU113491A (sh) 1994-11-15
SI9111134A (en) 1997-06-30
AU625571B2 (en) 1992-07-16
RO108704B1 (ro) 1994-07-29
CA2043685C (fr) 2000-10-24
FI97976B (fi) 1996-12-13
YU47615B (sh) 1995-10-24
JPH04241160A (ja) 1992-08-28
KR100195383B1 (ko) 1999-06-15
NO177722B (no) 1995-07-31
AU7948391A (en) 1992-03-19
UA12839A (uk) 1997-02-28
HU211375B (en) 1995-11-28
HUT65336A (en) 1994-05-02

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