EP0013355B1 - Verfahren zur Herstellung von Spinnvliesen - Google Patents

Verfahren zur Herstellung von Spinnvliesen Download PDF

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Publication number
EP0013355B1
EP0013355B1 EP79104995A EP79104995A EP0013355B1 EP 0013355 B1 EP0013355 B1 EP 0013355B1 EP 79104995 A EP79104995 A EP 79104995A EP 79104995 A EP79104995 A EP 79104995A EP 0013355 B1 EP0013355 B1 EP 0013355B1
Authority
EP
European Patent Office
Prior art keywords
tensile strength
fleece
strength
stretching
stretched
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
Application number
EP79104995A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0013355A1 (de
Inventor
Heinrich Dipl.-Chem. Schneider
Johann Hammerschmidt
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.)
Patheon Austria GmbH and Co KG
Lentia GmbH
Original Assignee
Chemie Linz AG
Lentia 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25777362&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0013355(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19792900888 external-priority patent/DE2900888A1/de
Priority claimed from DE19792924652 external-priority patent/DE2924652A1/de
Application filed by Chemie Linz AG, Lentia GmbH filed Critical Chemie Linz AG
Priority to AT79104995T priority Critical patent/ATE680T1/de
Publication of EP0013355A1 publication Critical patent/EP0013355A1/de
Application granted granted Critical
Publication of EP0013355B1 publication Critical patent/EP0013355B1/de
Expired legal-status Critical Current

Links

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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Definitions

  • the stretching is preferably carried out in one direction only. Stretching in several directions, e.g. two or three directions is used when essentially the same tensile strength is to be achieved in several directions along the fiber plane. The stretching takes place over a heated brake shoe.
  • the present invention is based on the object of equalizing the tensile strengths of such spunbonded fabrics in mutually perpendicular directions, the lower tensile strength being increased considerably in one of the two directions, but without the threads themselves being stretched and the thread titer becoming uneven.
  • This object is achieved in that the nonwoven is needled prior to stretching and the stretching is carried out in the direction of the lower tensile strength by 20 to 200% of the relevant original dimension, while in the perpendicular direction the dimension is either retained or previously or simultaneously in the area is changed from ⁇ 10% of the original dimension.
  • the drawing is carried out in a known manner at a temperature of 85 to 25 ° C. below the crystalline melting point of the thread material.
  • the choice of the degree of stretching within the range according to the invention depends on the values that are to be achieved. Do you want e.g. the tensile strength in the weaker direction e.g. to increase by 15-20% without wanting to lose longitudinal strength, it is advisable to choose a slight stretch of 20-30%. The higher the degree of stretching in the weak direction is chosen, the more the tensile strength in the stronger direction is reduced, so that e.g. with stretching of 60-100% with regard to tear strength, approximately isotropic nonwovens are obtained, the tensile strength of which lies in the middle range between the original longitudinal and transverse strength. Since the lowest tear strength is decisive for the intended use, the nonwoven can be exposed to a greater load than the starting nonwoven after the treatment according to the invention.
  • the method according to the invention is applicable to continuous filament nonwovens made of all thermoplastic materials such as polyamide, polyester, polyolefin. Nonwovens made from propylene homo- and copolymers and polyester are particularly preferred.
  • the method according to the invention is to be explained in more detail with the aid of the present examples.
  • the tensile strength and elongation at break values specified therein are determined in accordance with DIN 53857.
  • a non-stretched nonwoven fabric with a weight per unit area of 220 g / m 2 produced by the usual spinning process has the following key figures:
  • a fleece with 230 g / m 2 produced like the fleece used as the starting material, has a tensile strength lengthways of 650 N and crossways of only 290 N, and an elongation at break lengthways of 85%, crosswise of 125%.
  • a nonwoven fabric which is produced by the same method as the starting nonwoven fabric, but has a basis weight of 180 g / m 2, has a longitudinal strength of 530 N and a transverse strength of 200 N, and an elongation at break of 95% and across 150%.
  • a nonwoven fabric which is produced according to the same process as the starting nonwoven fabric, but has a basis weight of 200 g / m 2, has a tensile strength along 570 N, tensile strength across 230 N and an elongation at break along 90%, as well an elongation at break of 135%.
  • a non-stretched nonwoven fabric with a weight per unit area of 150 g / m 2 produced by the usual spinning process has the following characteristics:

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Peptides Or Proteins (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Detergent Compositions (AREA)
EP79104995A 1979-01-11 1979-12-07 Verfahren zur Herstellung von Spinnvliesen Expired EP0013355B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79104995T ATE680T1 (de) 1979-01-11 1979-12-07 Verfahren zur herstellung von spinnvliesen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2900888 1979-01-11
DE19792900888 DE2900888A1 (de) 1979-01-11 1979-01-11 Verfahren zur herstellung von spinnvliesen
DE2924652 1979-06-19
DE19792924652 DE2924652A1 (de) 1979-06-19 1979-06-19 Verfahren zur herstellung von spinnvliesen

Publications (2)

Publication Number Publication Date
EP0013355A1 EP0013355A1 (de) 1980-07-23
EP0013355B1 true EP0013355B1 (de) 1982-02-10

Family

ID=25777362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79104995A Expired EP0013355B1 (de) 1979-01-11 1979-12-07 Verfahren zur Herstellung von Spinnvliesen

Country Status (20)

Country Link
US (1) US4497097A (pt)
EP (1) EP0013355B1 (pt)
AR (1) AR220806A1 (pt)
AU (1) AU530367B2 (pt)
BG (1) BG41826A3 (pt)
BR (1) BR8000157A (pt)
CA (1) CA1120244A (pt)
DD (1) DD148650A1 (pt)
DE (1) DE2962106D1 (pt)
DK (1) DK147487C (pt)
FI (1) FI63787C (pt)
FR (1) FR2446342A1 (pt)
HU (1) HU181004B (pt)
MX (1) MX152229A (pt)
NO (1) NO150725C (pt)
PL (1) PL120662B1 (pt)
RO (1) RO82802B (pt)
SU (1) SU974937A3 (pt)
UA (1) UA7726A1 (pt)
YU (1) YU40863B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937925A (en) * 1983-04-12 1990-07-03 Highland Industries, Inc. Method for producing reinforced V-belt containing fiber-loaded non-woven fabric
EP0156234B2 (en) * 1984-03-17 2001-01-03 Asahi Kasei Kogyo Kabushiki Kaisha Heat-resistant non-woven fabric having a high elongation at break
DE4024510A1 (de) * 1990-08-02 1992-02-06 Hoechst Ag Tiefziehfaehiges textilmaterial und daraus hergestellte formkoerper
DE4115190A1 (de) * 1991-05-10 1992-11-12 Akzo Nv Vlies aus filamenten
AT399169B (de) * 1993-08-19 1995-03-27 Polyfelt Gmbh Verfahren zur steuerung der anisotropie von spinnvliesen
US5657520A (en) * 1995-01-26 1997-08-19 International Paper Company Method for tentering hydroenhanced fabric
US5806155A (en) * 1995-06-07 1998-09-15 International Paper Company Apparatus and method for hydraulic finishing of continuous filament fabrics
AU7734896A (en) * 1995-11-17 1997-06-11 International Paper Company Uniformity and product improvement in lyocell fabrics with hydraulic fluid treatment
DE10108092B4 (de) 2001-02-19 2007-01-04 Carl Freudenberg Kg Verfahren zur Herstellung eines Tuftingträgers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1134401A (en) * 1964-11-21 1968-11-20 Ici Ltd Nonwoven fabrics and methods of, and apparatus for, making them
DE1635634A1 (de) * 1965-03-11 1970-07-16 Klaus Sievers Verfahren und Vorrichtung zur Herstellung von Nadelvliesen
GB1213441A (en) * 1968-01-04 1970-11-25 Celanese Corp Improvements in fibrous products
US3772417A (en) * 1970-10-28 1973-11-13 C Vogt Method for improving physical properties of spray spun fibrous sheet materials
US3747161A (en) * 1971-08-20 1973-07-24 Johnson & Johnson Method for producing a rearranged fabric having improved cross-strength
US3808639A (en) * 1973-01-15 1974-05-07 Kendall & Co Apparatus for altering the width, weight and thickness of fabric webs
US4154889A (en) * 1974-08-19 1979-05-15 Phillips Petroleum Company Nonwoven fabric, method and apparatus for it's manufacture
US4042655A (en) * 1975-09-05 1977-08-16 Phillips Petroleum Company Method for the production of a nonwoven fabric
DE2632875C2 (de) * 1976-04-29 1982-01-14 E.I. du Pont de Nemours and Co., 19898 Wilmington, Del. Verfahren zur Herstellung eines genadelten Vliesstoffes aus kristallisierten Poly-(m-phenylenisophthalamid)-Fasern und daraus hergestellte genadelte, dimensionsstabile Vliesstoffe

Also Published As

Publication number Publication date
PL221310A1 (pt) 1980-09-22
AR220806A1 (es) 1980-11-28
NO794199L (no) 1980-07-14
DE2962106D1 (en) 1982-03-18
DK10780A (da) 1980-07-12
AU5437880A (en) 1980-07-17
YU380A (en) 1983-02-28
DK147487C (da) 1985-03-25
FI63787B (fi) 1983-04-29
UA7726A1 (uk) 1995-12-26
EP0013355A1 (de) 1980-07-23
HU181004B (en) 1983-05-30
YU40863B (en) 1986-06-30
US4497097A (en) 1985-02-05
NO150725C (no) 1984-12-05
DD148650A1 (de) 1981-06-03
FR2446342B1 (pt) 1981-04-30
SU974937A3 (ru) 1982-11-15
CA1120244A (en) 1982-03-23
BR8000157A (pt) 1980-10-29
FI793962A (fi) 1980-07-12
AU530367B2 (en) 1983-07-14
RO82802A (ro) 1984-01-14
DK147487B (da) 1984-08-27
RO82802B (ro) 1984-01-30
FR2446342A1 (fr) 1980-08-08
BG41826A3 (en) 1987-08-14
PL120662B1 (en) 1982-03-31
FI63787C (fi) 1983-08-10
MX152229A (es) 1985-06-12
NO150725B (no) 1984-08-27

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