EP0198793B1 - Verfahren zum Mercerisieren von textilen Stoffbahnen und Vorrichtung zur Durchführung des Verfahrens - Google Patents

Verfahren zum Mercerisieren von textilen Stoffbahnen und Vorrichtung zur Durchführung des Verfahrens Download PDF

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Publication number
EP0198793B1
EP0198793B1 EP86810127A EP86810127A EP0198793B1 EP 0198793 B1 EP0198793 B1 EP 0198793B1 EP 86810127 A EP86810127 A EP 86810127A EP 86810127 A EP86810127 A EP 86810127A EP 0198793 B1 EP0198793 B1 EP 0198793B1
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EP
European Patent Office
Prior art keywords
web
zone
hot
fabric
lye
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Expired
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EP86810127A
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German (de)
English (en)
French (fr)
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EP0198793A1 (de
Inventor
Hans Weber
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Benninger AG
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Benninger AG
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B7/00—Mercerising, e.g. lustring by mercerising
    • D06B7/08—Mercerising, e.g. lustring by mercerising of fabrics of indefinite length

Definitions

  • the invention relates to a method for mercerizing textile webs according to the preamble of claim 1 and to an apparatus for carrying out the method according to the preamble of claim 6.
  • Mercerizing methods have long been known in a wide variety of variants. With such methods, various effects such as e.g. B. increase in gloss, increased dye affinity and in particular dimensional stability. Modern mercerising machines should produce the desired effects based on business considerations with the shortest possible throughput times and minimal expenditure on equipment.
  • a mercerization process has become known, in which the textile fabric is immersed in a hot-water bath after a heat pretreatment for a relatively short dwell time on cylindrical rollers with bound product flow. The lye then acts on the fabric during a dwell time, during which the fabric is passed over cylindrical rollers without contact with the liquor. This is followed by cooling and spreading.
  • a similar method has become known from DE-A-2 405 006, in which the textile material is also only briefly immersed in a hot-water bath. After the hot suds bath, however, the textile goods are passed through a dwelling zone, in which they are again subjected to lye. In addition, the circulation of goods in the dwell section is not permanently bound, but interrupted. The textile is only cooled and then stretched after it has passed the dwell zone.
  • a mercerization process has become known from US Pat. No. 1,577,393, in which the fabric web is fed from a hot liquor bath of approximately 100 ° C. in an unbound web guide to a cooling zone, where it cools down to approximately 5 to 10 ° C. After the cooling zone, the fabric web also passes through a hot water tank in an unbound web guide and then various cold water tanks in which the fabric web is washed out. The fabric is stretched in width on pairs of spreader rolls, which are arranged after the hot water tank at the transition points to the individual cold water tanks. The result of the unbound web guide is that the width of the fabric changes very significantly, which then has to be recovered in the spreader zone. After heating or after stretching, there is no actual stabilization, but a washing-out process in unbound web guidance, which in turn allows the fabric to shrink in width.
  • a problem with known hot mercerization processes is that cooling requires a longer residence time and / or lower cooling temperatures. In the known generic methods, cooling was therefore carried out only immediately before stretching. Problems arose during spreading on the already cooled fabric. The result of this was tissue damage such as. B. edge tears etc. In addition, some of the mercerizing effects occur precisely during cooling, so that the relatively late cooling immediately before the drafting system also has disadvantages.
  • the object of the invention is to provide a method and a device of the type mentioned at the outset, with which optimal mercerizing effects can be achieved in tissue-friendly stretching by reducing the shrinkage forces before spreading.
  • this object is achieved with a method which has the features in the characterizing part of claim 1, and in terms of the device with a device which has the features in the characterizing part of claim 5.
  • the reheating of the fabric is carried out particularly advantageously by applying hot weak lye, the effect of which is still there can be optimized by applying it in the conical infeed field of a tenter to stretch the fabric.
  • a fabric web 1 is introduced into the device in the insertion zone A, with pre-heating of the fabric web z. B. is possible via heated rollers or by radiation.
  • a hot-water bath 2 which runs through the fabric in a bound manner.
  • sodium hydroxide solution or another alkali suitable for mercerization is used for impregnation.
  • the temperature of the lye in the hot lye bath can be 30 to 110 ° C, whereby the conventional lye temperature should also be taken into account.
  • An alkali concentration between 20 and 32 ° Be is aimed for.
  • the main work is with 20 or 30 ° Be.
  • the impregnation time is only a few seconds, for example 2 to 5 seconds.
  • the length of the web in the impregnation zone B is approximately 3 to 4 m. Due to this reduction of the impregnation zone to practically foulard ratios, the impregnation requires only small amounts of alkali, which are relatively easy to handle. The hot alkali is used for quicker impregnation without fiber swelling.
  • the fabric web 1 After passing through a pair of pinch rollers 3, the fabric web 1 reaches the cooling zone C from the hot liquor bath. There, cooling rolls 4 cool down to less than 25 ° C., preferably to about 20 ° C.
  • the length of the web in the cooling zone C is approximately 3 to 3.5 m and the residence time is approximately 2 to 5 seconds.
  • the material web After leaving the cooling zone C, the material web arrives in the dwell zone D, which essentially consists of deflecting rollers 5 arranged directly next to one another.
  • the dwell zone the fabric web is guided in a bound web guide without fleet contact.
  • the length of the track in the dwell area is approx. 9 to 10 m.
  • the fabric web shrinks continuously in the cooling zone C and in the retention zone D.
  • a clamping frame 6 with quotient regulation serves as the clamping device, with which the desired dimension in length and width can be preselected and maintained.
  • spray nozzles 8 are arranged, from which a hot medium such. B. hot weak liquor can be sprayed onto the fabric.
  • the application of hot weak lye results in a strong and gentle reduction of the shrinking forces in the fabric.
  • the fabric web arrives in a stabilizing and de-leaching zone F.
  • a stabilizing compartment 9 Connected to the tenter frame 6 is a stabilizing compartment 9, in which, in a manner known per se, the fabric web is guided on cylindrical rollers in a bound web guide through various chambers.
  • weak liquor is also supplied via the nozzles 8.
  • a countercurrent principle is sought, in which alkali of low concentration is applied to the rearmost fabric web sections in the direction of flow. The lye concentration thus increases against the direction of flow.
  • other drafting systems can of course also be used. However, using the tenter frame instead of a Mycock drafting system results in a uniform number of warp threads on the edge and in the middle of the fabric.
  • the fabric web 1 After leaving the stabilizing compartment, the fabric web 1 is fed to a washing machine (not shown), in which, in a manner known per se, lye residues still contained in the tissue are washed out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)
EP86810127A 1985-03-21 1986-03-14 Verfahren zum Mercerisieren von textilen Stoffbahnen und Vorrichtung zur Durchführung des Verfahrens Expired EP0198793B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1250/85 1985-03-21
CH1250/85A CH673746B5 (enrdf_load_stackoverflow) 1985-03-21 1985-03-21

Publications (2)

Publication Number Publication Date
EP0198793A1 EP0198793A1 (de) 1986-10-22
EP0198793B1 true EP0198793B1 (de) 1988-11-30

Family

ID=4205994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86810127A Expired EP0198793B1 (de) 1985-03-21 1986-03-14 Verfahren zum Mercerisieren von textilen Stoffbahnen und Vorrichtung zur Durchführung des Verfahrens

Country Status (6)

Country Link
US (1) US4888840A (enrdf_load_stackoverflow)
EP (1) EP0198793B1 (enrdf_load_stackoverflow)
JP (1) JPS61266659A (enrdf_load_stackoverflow)
CH (1) CH673746B5 (enrdf_load_stackoverflow)
DE (1) DE3661323D1 (enrdf_load_stackoverflow)
ES (1) ES8703953A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675662GA3 (en) * 1986-10-03 1990-10-31 Piece goods mercerising - has separate lye preparation tank to reduce energy costs and environmental hazards
ES2022709B3 (es) 1987-08-26 1991-12-01 Benninger Ag Maschf Procedimiento y dispositivo para mercerizar una banda de tejido
CH678199A5 (enrdf_load_stackoverflow) * 1988-02-11 1991-08-15 Benninger Ag Maschf
DE58905003D1 (de) * 1988-03-31 1993-09-02 Benninger Ag Maschf Verfahren zum breitstrecken einer gewebebahn und vorrichtung zur durchfuehrung des verfahrens.
DE58901667D1 (de) * 1988-04-29 1992-07-23 Benninger Ag Maschf Verfahren und vorrichtung zum breitstrecken einer gewebebahn in einer mercerisiermaschine.
US6908586B2 (en) * 2001-06-27 2005-06-21 Fusion Uv Systems, Inc. Free radical polymerization method having reduced premature termination, apparatus for performing the method and product formed thereby
US7140815B2 (en) * 2003-01-30 2006-11-28 Kennametal Inc. Drill for making flat bottom hole

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US737374A (en) * 1899-04-17 1903-08-25 John Roberts Ecob Apparatus for use in mercerizing.
US821812A (en) * 1905-05-27 1906-05-29 William Mather Apparatus for mercerizing.
US975074A (en) * 1910-07-22 1910-11-08 John H Robson Machine for mercerizing dyeing, or like treatment of loose or woven cotton or other vegetable fiber.
US1577393A (en) * 1925-02-09 1926-03-16 Voegeli Frederick Benedict Apparatus for and method of treating textiles
US1717870A (en) * 1926-06-28 1929-06-18 Abnold bossharb
US2239636A (en) * 1937-10-15 1941-04-22 Heberlein Patent Corp Mercerizing apparatus
US2597572A (en) * 1949-05-14 1952-05-20 Maurice S Dayan Apparatus for mercerizing cloth
US2769685A (en) * 1952-05-10 1956-11-06 Cluett Peabody & Co Inc Treatment of cotton fabrics to increase their lustre by applying mercerizing caustic soda and heavy pressure
CH554446A (de) * 1973-02-14 1974-09-30 Heberlein & Co Ag Vorrichtung zur verbesserung der faserstruktur von cellulosefasern enthaltendem textilgut.
JPS5019679A (enrdf_load_stackoverflow) * 1973-06-25 1975-03-01
JPS5241398B2 (enrdf_load_stackoverflow) * 1974-05-10 1977-10-18
CH595498A5 (en) * 1976-09-24 1978-02-15 Wakayama Iron Works Mercerising fabric stretching
DE2719067C2 (de) * 1977-04-28 1983-03-17 Dr. Boy GmbH, 5466 Neustadt Lösbare Kupplung für eine Kunststoff-Spritzgießeinheit
JPS5845068B2 (ja) * 1979-07-30 1983-10-06 富士通株式会社 光学読取器の倍率検出方式
US4376632A (en) * 1979-11-08 1983-03-15 E. Mottana S.P.A. Process and plant for the continuous mercerization of raw or colored open or tubular knitted fabric

Also Published As

Publication number Publication date
CH673746GA3 (enrdf_load_stackoverflow) 1990-04-12
ES8703953A1 (es) 1987-03-01
JPS61266659A (ja) 1986-11-26
US4888840A (en) 1989-12-26
DE3661323D1 (en) 1989-01-05
CH673746B5 (enrdf_load_stackoverflow) 1990-10-15
EP0198793A1 (de) 1986-10-22
JPH0223624B2 (enrdf_load_stackoverflow) 1990-05-24
ES553246A0 (es) 1987-03-01

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