EP0068748A1 - Procédé et appareil pour apprêter des tricots de coton - Google Patents

Procédé et appareil pour apprêter des tricots de coton Download PDF

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Publication number
EP0068748A1
EP0068748A1 EP82303173A EP82303173A EP0068748A1 EP 0068748 A1 EP0068748 A1 EP 0068748A1 EP 82303173 A EP82303173 A EP 82303173A EP 82303173 A EP82303173 A EP 82303173A EP 0068748 A1 EP0068748 A1 EP 0068748A1
Authority
EP
European Patent Office
Prior art keywords
fabric
knitted
ammonia
fibres
cotton
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
Application number
EP82303173A
Other languages
German (de)
English (en)
Other versions
EP0068748B1 (fr
Inventor
Inger Kari Jacobsen
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.)
NORSK TEKSTILINSTITUTT
Original Assignee
NORSK TEKSTILINSTITUT
Norsk Tekstilinstitutt
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 NORSK TEKSTILINSTITUT, Norsk Tekstilinstitutt filed Critical NORSK TEKSTILINSTITUT
Priority to AT82303173T priority Critical patent/ATE15511T1/de
Publication of EP0068748A1 publication Critical patent/EP0068748A1/fr
Application granted granted Critical
Publication of EP0068748B1 publication Critical patent/EP0068748B1/fr
Expired legal-status Critical Current

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Classifications

    • 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

  • This invention relates to knitted fabrics of cotton or other natural or regenerated cellulosic fibres, or blends thereof with other fibres.
  • the novel, finished knitted fabric of cotton or other natural or regenerated cellulosic material is characterised by being lustrous, flat and dense and in that it lacks spirality and edge curling, and is crease resistant, all being characteristics of mercerized fabrics, and in that it has in addition good dimensional stability uncharacteristic of mercerized fabric.
  • Particularly useful are fabrics in which the linear shrinkage in the coursewise direction is less than 5%, and fabrics in which the linear shrinkage in either direction is less thanlC%.
  • a single jersey fabric according to the present invention preferably has a K r value in excess of 1.0, and more preferably in the range from about 1.1 to about 1.3.
  • the Kr value is the number of courses per unit length divided by the number of wales per unit length.
  • a machine for carrying out the process of the aforementioned patent has a support for a supply of fabric to be treated, an impregnation bath in which the fabric is impregnated with liquid ammonia, an evaporating unit comprising a rotary heated drum against which the swollen fabric is held by a blanket, and further processing zones in which the fabric may be subjected to heat or steam, prior to being wound up or otherwise collected after the processing.
  • Such a machine is suitable for making the fabric according to the present invention, but it must be arranged that the knitted fabric is supported as it passes through the machine so that it is not under any tension.
  • the knitted fabric may thus be passed through the machine while supported by a woven fabric.
  • a suitable woven fabric support is not affected by the ammonia and may comprise a polyester or polypropylene fabric - which should itself be dimensionally stable, of course, and may comprise a plain woven fabric which may be of relatively open or even mesh-like structure.
  • a roll of knitted fabric can be sent through together with a roll of woven support fabric, or a continuous "belt" of support fabric may be arranged to carry the knitted fabric through the apparatus.
  • a really enterprising finisher might elect to finish a knitted fabric and a suitable woven fabric together, using the woven fabric as a support for the knitted fabric.
  • the support fabric is smooth so that the knitted fabric can pull in with respect thereto without catching or snagging or undue frictional resistance.
  • Figures 1 and 2 illustrate machinery for carrying out an ammonia treatment of knitted cotton or other natural or regenerated cellulose fabric, comprising a support 11 for a supply of fabric 12 to be treated, an impregnation bath 13 in which the fabric is impregnated with liquid ammonia 14, a hot calender 15 on which the fabric 12 swollen by the ammonia is pressed by a blanket 16, a further processing zone 17 in which the fabric is subjected to heat or steam, and fabric collection means 18 which, as shown, comprise a trolley 19 into which the fabric drops from a folding apparatus 21, but which could equally be a take-up roll arrangement.
  • FIG. 1 there is an additional supply arrangement 22 for a support fabric 23 of woven polyester or polypropylene which is fed through the entire apparatus together with the fabric 12 under treatment so as to support the latter and guide it through the apparatus without any significant lengthwise tension being applied to it.
  • the support fabric is rolled up on a take up arrangement 24 for subsequent re-use.
  • the machinery illustrated will, of course, also have the usual ancillary equipment for recovering evaporated ammonia, and heating and/or cooling means and so on.
  • the fabric passes through three zones:
  • Fabric shrinkage or dimensional stability may be defined as:
  • the dimensional stability of a knitted fabric is commonly expressed as a shrinkage measurement based on either the original dimensions of a fabric or on the dimensions after a soaking treatment.
  • it has been shown that it is more informative, in terms of assessing the loop configuration to express the fabric diinensions in terms of the k c , k w and k values, where these constants are given by
  • the stitchlenght l was found by measuring unravelled yarn lenghts from a known number of courses from the knitted dry-relaxed fabrics, using a Shirley Crimp Tester.
  • the fabric sample size was (60 x 60) cm 2 .
  • a square of (10 x 10) cm 2 was measured by means of a smaller template and marked by three points in length and width direction respectively. The average of the three measurements was used in the subsequent calculations.
  • The. samples were machine washed according to Swedish Standard SIS 25 12 39 (V4), i.e. washed at 60°C and rinsed. They were hydroextracted for 6 mins. and samples were dried lying flat. The samples were given 13 washing treatments.
  • the climensional changes were measured after conditioning for at least 4 hours in an atmosphere of 20°C, 65 % R.H.
  • the dimensional changes are expressed in k c , k w and k s values and changes in stitch configuration in k r values. The results are given in Tables 1 + 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Of Fabric (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Beans For Foods Or Fodder (AREA)
EP82303173A 1981-06-22 1982-06-17 Procédé et appareil pour apprêter des tricots de coton Expired EP0068748B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82303173T ATE15511T1 (de) 1981-06-22 1982-06-17 Verfahren und vorrichtung zum ausruesten von gestricken aus baumwolle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO812122 1981-06-22
NO812122A NO152759C (no) 1981-06-22 1981-06-22 Fremgangsmaate for etterbehandling av strikket stoff av bomull eller annet naturlig eller regenerert cellulosemateriale

Publications (2)

Publication Number Publication Date
EP0068748A1 true EP0068748A1 (fr) 1983-01-05
EP0068748B1 EP0068748B1 (fr) 1985-09-11

Family

ID=19886134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82303173A Expired EP0068748B1 (fr) 1981-06-22 1982-06-17 Procédé et appareil pour apprêter des tricots de coton

Country Status (5)

Country Link
EP (1) EP0068748B1 (fr)
JP (1) JPS5854055A (fr)
AT (1) ATE15511T1 (fr)
DE (1) DE3266173D1 (fr)
NO (1) NO152759C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019518A1 (fr) * 1993-02-20 1994-09-01 The University Of Leeds Ameliorations concernant des tissus tricotes
WO1999035324A1 (fr) * 1998-01-08 1999-07-15 Asahi Kasei Kogyo Kabushiki Kaisha Procede servant a traiter des textiles tricotes a mailles jetees

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300409C (zh) * 2005-08-26 2007-02-14 宁波雅戈尔针织染整有限公司 一种耐洗针织面料的加工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098789A5 (en) * 1970-07-28 1972-03-10 Lefebvre Jean Shrunk knitted fabric - used as base for embroidery
GB1270645A (en) * 1969-05-08 1972-04-12 Tedeco Textile Dev Co As Apparatus for treatment of fabrics with liquid ammonia
US3915632A (en) * 1971-01-14 1975-10-28 Cluett Peabody & Co Inc Method and apparatus for treating cellulosic fabrics quickly with liquid ammonia
US3980429A (en) * 1971-01-14 1976-09-14 Cluett, Peabody & Co., Inc. Continuous process for the liquid ammonia treatment of fabrics

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA765735A (en) * 1967-08-22 Sentralinstitutt For Industriell Forskning Process for the treatment of fabrics containing cellulose fibers with liquid ammonia

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1270645A (en) * 1969-05-08 1972-04-12 Tedeco Textile Dev Co As Apparatus for treatment of fabrics with liquid ammonia
FR2098789A5 (en) * 1970-07-28 1972-03-10 Lefebvre Jean Shrunk knitted fabric - used as base for embroidery
US3915632A (en) * 1971-01-14 1975-10-28 Cluett Peabody & Co Inc Method and apparatus for treating cellulosic fabrics quickly with liquid ammonia
US3980429A (en) * 1971-01-14 1976-09-14 Cluett, Peabody & Co., Inc. Continuous process for the liquid ammonia treatment of fabrics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994019518A1 (fr) * 1993-02-20 1994-09-01 The University Of Leeds Ameliorations concernant des tissus tricotes
WO1999035324A1 (fr) * 1998-01-08 1999-07-15 Asahi Kasei Kogyo Kabushiki Kaisha Procede servant a traiter des textiles tricotes a mailles jetees
US6652598B1 (en) 1998-01-08 2003-11-25 Asahi Kasei Kabushiki Kaisha Process for the treatment of weft knitted fabrics

Also Published As

Publication number Publication date
DE3266173D1 (en) 1985-10-17
NO152759B (no) 1985-08-05
EP0068748B1 (fr) 1985-09-11
JPS5854055A (ja) 1983-03-30
ATE15511T1 (de) 1985-09-15
NO152759C (no) 1985-11-13
NO812122L (no) 1982-12-23

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