GB752381A - Continuous process for the bleaching of cellulosic textiles - Google Patents

Continuous process for the bleaching of cellulosic textiles

Info

Publication number
GB752381A
GB752381A GB9620/54A GB962054A GB752381A GB 752381 A GB752381 A GB 752381A GB 9620/54 A GB9620/54 A GB 9620/54A GB 962054 A GB962054 A GB 962054A GB 752381 A GB752381 A GB 752381A
Authority
GB
United Kingdom
Prior art keywords
bleaching
chlorite
april
closed
heat
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
GB9620/54A
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 DED12439A external-priority patent/DE1005038B/en
Application filed by Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of GB752381A publication Critical patent/GB752381A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
    • D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
    • D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
    • D06L4/26—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide combined with specific additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
    • D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
    • D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paper (AREA)

Abstract

752,381. Bleaching cellulosic textiles. DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORM. ROESSLER. April 1, 1954 [April 21, 1953], No. 9620/54. Addition to 738,903. Class 15(2) Cellulcsic textile material in band form is repeatedly and thoroughly penetrated with a solution, which may be activated, of an alkali or alkaline earth chlorite which is cold or only moderately heated, e.g. up -to 60‹C., for a relatively short period, e.g. 3 to 25 minutes, excess liquor is removed by squeezing and the material is then heated to a temperature of up to 100‹C. by steam treatment and immediately thereafter passed into a closed, heat-insulated chamber in which it is laid in regular folds and through which the folded material travels continuously, each individual fold remaining in the chamber for from 5 to 15 times as long as that portion of the material remained in the chlorite bath. The closed, heat-insulated chamber may be a J-box through which the transit time of the material may be from 1.5 to 2.5 hours. The bleaching solution may contain sodium chlorite, tetrasodium pyrophosphate and sulphonated castor oil and may be at a temperature of 25‹C. The material may be cotton.
GB9620/54A 1952-06-07 1954-04-01 Continuous process for the bleaching of cellulosic textiles Expired GB752381A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED12439A DE1005038B (en) 1952-06-07 1952-06-07 Process for bleaching cellulosic material with sodium chlorite
DED14882A DE1008701B (en) 1952-06-07 1953-04-21 Process for bleaching cellulosic material with sodium chlorite

Publications (1)

Publication Number Publication Date
GB752381A true GB752381A (en) 1956-07-11

Family

ID=25970615

Family Applications (2)

Application Number Title Priority Date Filing Date
GB14325/53A Expired GB738903A (en) 1952-06-07 1953-05-21 Continuous process for the bleaching of cellulosic textiles
GB9620/54A Expired GB752381A (en) 1952-06-07 1954-04-01 Continuous process for the bleaching of cellulosic textiles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB14325/53A Expired GB738903A (en) 1952-06-07 1953-05-21 Continuous process for the bleaching of cellulosic textiles

Country Status (4)

Country Link
BE (2) BE519993A (en)
DE (1) DE1008701B (en)
FR (2) FR1078064A (en)
GB (2) GB738903A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE538592A (en) * 1954-06-02
DE1013253B (en) * 1954-09-11 1957-08-08 Hoechst Ag Method of bleaching with chlorites
BE541207A (en) * 1954-09-09

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552711A (en) * 1940-09-18 1943-04-21 Mathieson Alkali Works Improvements in bleaching and finishing textiles
US2521340A (en) * 1945-05-16 1950-09-05 Olin Mathieson Bleaching of cellulosic textiles

Also Published As

Publication number Publication date
BE527711A (en) 1956-12-07
FR1078064A (en) 1954-11-15
GB738903A (en) 1955-10-19
FR66256E (en) 1956-06-28
DE1008701B (en) 1957-05-23
BE519993A (en) 1955-05-27

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