GB1531013A - Method for producing a non-woven fabric of regenerated cellulose fibres - Google Patents

Method for producing a non-woven fabric of regenerated cellulose fibres

Info

Publication number
GB1531013A
GB1531013A GB4050175A GB4050175A GB1531013A GB 1531013 A GB1531013 A GB 1531013A GB 4050175 A GB4050175 A GB 4050175A GB 4050175 A GB4050175 A GB 4050175A GB 1531013 A GB1531013 A GB 1531013A
Authority
GB
United Kingdom
Prior art keywords
sheet
net
medium
fibres
treating medium
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
GB4050175A
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
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
Priority claimed from JP12406574A external-priority patent/JPS5149997A/en
Priority claimed from JP50019607A external-priority patent/JPS5196580A/en
Application filed by Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of GB1531013A publication Critical patent/GB1531013A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/02—Synthetic cellulose fibres
    • D21H13/08—Synthetic cellulose fibres from regenerated cellulose

Landscapes

  • Nonwoven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

1531013 Shrinking fabrics MITSUBISHI RAYON CO Ltd 3 Oct 1975 [28 Oct 1974 17 Feb 1975] 40501/75 Headings D1S and D2B A sheet 1 of wet formed fibres comprising hydroxy methyl cellulose xanthate is overfed onto a moving net 5 so that the sheet acquires a folded condition, treated with a first treating medium 2 to shrink the fibres while being in the folded condition and thereby to bulk the sheet, and subsequently treated with a second treating medium 11 to decompose the hydroxymethyl cellulose xanthate remaining in the fibres. The sheet 1 is fed on to the net having a mesh size of 5-30 mesh using a water stream feed apparatus 4, such that the rate of speed of the sheet to that of the net ranges from 1.5 to 50. The treating medium 2 is an aqueous acidic bath 2 maintained at a pH of 4 and a temperature higher than 40‹C. The second treating medium 11 is maintained at a pH of 1 and a temperature greater than 60‹. If a finer mesh net is used a suction box is provided under a portion of the net 5. The sheet 1 may be fed directly into the medium 2 and then folded while in the medium Fig. 7 (not shown). The treated sheet 1 is taken to a take-up roller 12 and scoured and dried. The usual steps of washing with water, bleaching with hydrogen peroxide, neutralizing and washing with water may precede the drying step. The water stream type feeders may comprise a pair of slanting plates 17 and 19 between which the sheet is to be fed, or alternatively may comprise a bar 18 and a slanting plate 19 which may be provided with step-like bars 20.
GB4050175A 1974-10-28 1975-10-03 Method for producing a non-woven fabric of regenerated cellulose fibres Expired GB1531013A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12406574A JPS5149997A (en) 1974-10-28 1974-10-28 Shiitojobutsuno kasadakashorihoho
JP50019607A JPS5196580A (en) 1975-02-17 1975-02-17 Shinkinafushokufuno seizoho

Publications (1)

Publication Number Publication Date
GB1531013A true GB1531013A (en) 1978-11-01

Family

ID=26356453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4050175A Expired GB1531013A (en) 1974-10-28 1975-10-03 Method for producing a non-woven fabric of regenerated cellulose fibres

Country Status (2)

Country Link
DE (1) DE2547531C3 (en)
GB (1) GB1531013A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006067209A2 (en) * 2004-12-22 2006-06-29 Solvay (Société Anonyme) Method for treating a film with a composition
WO2006067208A2 (en) * 2004-12-22 2006-06-29 Solvay (Société Anonyme) Method for treating a film
WO2016165583A1 (en) * 2015-04-13 2016-10-20 太仓安佑无纺科技有限公司 Bio-inspired cellular cotton and manufacturing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006067209A2 (en) * 2004-12-22 2006-06-29 Solvay (Société Anonyme) Method for treating a film with a composition
WO2006067208A2 (en) * 2004-12-22 2006-06-29 Solvay (Société Anonyme) Method for treating a film
WO2006067209A3 (en) * 2004-12-22 2006-08-24 Solvay Method for treating a film with a composition
WO2006067208A3 (en) * 2004-12-22 2006-11-16 Solvay Method for treating a film
WO2016165583A1 (en) * 2015-04-13 2016-10-20 太仓安佑无纺科技有限公司 Bio-inspired cellular cotton and manufacturing method thereof

Also Published As

Publication number Publication date
DE2547531C3 (en) 1978-08-31
DE2547531A1 (en) 1976-05-06
DE2547531B2 (en) 1977-12-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee