DE1008701B - Process for bleaching cellulosic material with sodium chlorite - Google Patents

Process for bleaching cellulosic material with sodium chlorite

Info

Publication number
DE1008701B
DE1008701B DED14882A DED0014882A DE1008701B DE 1008701 B DE1008701 B DE 1008701B DE D14882 A DED14882 A DE D14882A DE D0014882 A DED0014882 A DE D0014882A DE 1008701 B DE1008701 B DE 1008701B
Authority
DE
Germany
Prior art keywords
cellulosic material
sodium chlorite
bleached
bleaching cellulosic
bleaching solution
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.)
Pending
Application number
DED14882A
Other languages
German (de)
Inventor
Wilhelm Adolf Hundt
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
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 filed Critical Degussa GmbH
Priority to DED14882A priority Critical patent/DE1008701B/en
Priority to BE519993D priority patent/BE519993A/xx
Priority to GB14325/53A priority patent/GB738903A/en
Priority to FR1078064D priority patent/FR1078064A/en
Priority to BE527711D priority patent/BE527711A/xx
Priority to GB9620/54A priority patent/GB752381A/en
Priority to FR66256D priority patent/FR66256E/en
Publication of DE1008701B publication Critical patent/DE1008701B/en
Pending 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)

Description

© 709 510389 5.57© 709 510389 5.57

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Weitere Ausbildung des Verfahrens nach der Patentanmeldung D 12 439 IVc/8i, dadurch gekennzeichnet, daß das Tränken des Bleichgutes mit der Bleichlösung bei gewöhnlicher oder mäßig erhöhter Temperatur vorgenommen wird und daß das Bleichgut nach dem Entfernen der überschüssigen Bleichlösung durch Dampf bis zu 100° erhitzt und in diesem Zustande in einer wärmeisolierten Kammer weitergebleicht wird.Further development of the method according to patent application D 12 439 IVc / 8i, characterized in that that the soaking of the goods to be bleached with the bleaching solution at ordinary or moderate elevated temperature is made and that the bleached material after removing the excess Bleaching solution heated by steam up to 100 ° and in this state in a heat-insulated Chamber is further bleached. In Betracht gezogene Druckschriften:
Deutsche Patentschrift Nr. 843 393;
britische Patentschrift Nr. 552 711.Considered publications:
German Patent No. 843 393;
British Patent No. 552 711.
DED14882A 1952-06-07 1953-04-21 Process for bleaching cellulosic material with sodium chlorite Pending DE1008701B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DED14882A DE1008701B (en) 1952-06-07 1953-04-21 Process for bleaching cellulosic material with sodium chlorite
BE519993D BE519993A (en) 1952-06-07 1953-05-15
GB14325/53A GB738903A (en) 1952-06-07 1953-05-21 Continuous process for the bleaching of cellulosic textiles
FR1078064D FR1078064A (en) 1952-06-07 1953-06-04 Continuous process for bleaching cellulose textiles using alkali or alkaline earth chlorites
BE527711D BE527711A (en) 1952-06-07 1954-03-29
GB9620/54A GB752381A (en) 1952-06-07 1954-04-01 Continuous process for the bleaching of cellulosic textiles
FR66256D FR66256E (en) 1952-06-07 1954-04-16 Continuous process for bleaching cellulose textiles using alkali or alkaline earth chlorites

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
DE1008701B true DE1008701B (en) 1957-05-23

Family

ID=25970615

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103282B (en) * 1954-06-02 1961-03-30 Degussa Process for bleaching natural or regenerated cellulose fibers or products made from them

Families Citing this family (2)

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

Citations (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
DE843393C (en) * 1945-05-16 1952-07-07 Electro Chimie Soc D Process for bleaching textiles made from cellulose fibers

Patent Citations (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
DE843393C (en) * 1945-05-16 1952-07-07 Electro Chimie Soc D Process for bleaching textiles made from cellulose fibers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1103282B (en) * 1954-06-02 1961-03-30 Degussa Process for bleaching natural or regenerated cellulose fibers or products made from them

Also Published As

Publication number Publication date
GB738903A (en) 1955-10-19
BE519993A (en) 1955-05-27
FR1078064A (en) 1954-11-15
FR66256E (en) 1956-06-28
GB752381A (en) 1956-07-11
BE527711A (en) 1956-12-07

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