DE2965428D1 - Agent usable for the production of cellulose and process for the production of cellulose - Google Patents

Agent usable for the production of cellulose and process for the production of cellulose

Info

Publication number
DE2965428D1
DE2965428D1 DE7979101858T DE2965428T DE2965428D1 DE 2965428 D1 DE2965428 D1 DE 2965428D1 DE 7979101858 T DE7979101858 T DE 7979101858T DE 2965428 T DE2965428 T DE 2965428T DE 2965428 D1 DE2965428 D1 DE 2965428D1
Authority
DE
Germany
Prior art keywords
cellulose
production
agent usable
weight
agent
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
DE7979101858T
Other languages
German (de)
Inventor
Dieter Dr Bauer
Volker Dr Hassmann
Paul Dr Schiller
Konrad Dr Nonn
Karlheinz Dr Wolf
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Priority to DE7979101858T priority Critical patent/DE2965428D1/en
Application granted granted Critical
Publication of DE2965428D1 publication Critical patent/DE2965428D1/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Confectionery (AREA)

Abstract

1. Agent for use in obtaining wood pulp, characterised in that it consists of a pulverulent mixture which contains 30 to 98% by weight of one (or more) organic, cyclic compound(s) containing keto and/or hydroxyl groups and which contains 2 to 70% by weight of one or more surfactants.
DE7979101858T 1978-06-21 1979-06-11 Agent usable for the production of cellulose and process for the production of cellulose Expired DE2965428D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7979101858T DE2965428D1 (en) 1978-06-21 1979-06-11 Agent usable for the production of cellulose and process for the production of cellulose

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782827111 DE2827111A1 (en) 1978-06-21 1978-06-21 AGENTS FOR USE IN CELL PROCESSING
DE7979101858T DE2965428D1 (en) 1978-06-21 1979-06-11 Agent usable for the production of cellulose and process for the production of cellulose

Publications (1)

Publication Number Publication Date
DE2965428D1 true DE2965428D1 (en) 1983-07-07

Family

ID=6042304

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19782827111 Withdrawn DE2827111A1 (en) 1978-06-21 1978-06-21 AGENTS FOR USE IN CELL PROCESSING
DE7979101858T Expired DE2965428D1 (en) 1978-06-21 1979-06-11 Agent usable for the production of cellulose and process for the production of cellulose

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19782827111 Withdrawn DE2827111A1 (en) 1978-06-21 1978-06-21 AGENTS FOR USE IN CELL PROCESSING

Country Status (16)

Country Link
EP (1) EP0006201B1 (en)
JP (1) JPS556585A (en)
AT (1) ATE3449T1 (en)
AU (1) AU537690B2 (en)
BR (1) BR7903896A (en)
CA (1) CA1140706A (en)
DE (2) DE2827111A1 (en)
ES (1) ES481720A1 (en)
FI (1) FI66442C (en)
IN (1) IN151933B (en)
NO (1) NO791974L (en)
NZ (1) NZ190753A (en)
PH (1) PH15789A (en)
PT (1) PT69751A (en)
TR (1) TR20455A (en)
ZA (1) ZA793064B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925545A1 (en) * 1979-06-25 1981-01-29 Bayer Ag METHOD FOR PRODUCING A MEDIUM CONTAINING ORGANIC, CYCLIC, KETO- AND / OR HYDROGROUPES AND COMPOSITIONS AND SURFACES, AND METHOD FOR PRODUCING CELLS BY USING THIS MEDIUM
US4295928A (en) * 1980-08-07 1981-10-20 Nalco Chemical Company Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
JPS57177080A (en) * 1981-04-24 1982-10-30 Kawasaki Kasei Chem Ltd Preparation of composition for digestion assistant
JPS6197492A (en) * 1984-10-18 1986-05-15 川崎化成工業株式会社 High concentrated pulp digestion aid aqueous solution
CA1321449C (en) * 1988-03-02 1993-08-24 Cheng-I Chen Process for producing kraft pulp for paper
DE3905311C2 (en) * 1989-02-21 1994-09-29 Bayer Ag Process for the preparation of anthraquinone / surfactant mixtures and use of these mixtures
AU626407B2 (en) * 1989-05-19 1992-07-30 Betz International, Inc. Process for producing kraft pulp for paper
CA2111921A1 (en) * 1992-12-21 1994-06-22 Kenji Kumagai Formulated composition of pulp digesting assistant agent
WO1995029288A1 (en) * 1994-04-26 1995-11-02 Harima Chemicals, Inc. Pulp digestion aid
US6346536B1 (en) 1997-09-03 2002-02-12 Guilford Pharmaceuticals Inc. Poly(ADP-ribose) polymerase inhibitors and method for treating neural or cardiovascular tissue damage using the same
US11332768B2 (en) 2014-07-10 2022-05-17 Leaf Sciences Pty Ltd Methods for hydrolysing lignocellulosic material
BR112017000387A2 (en) * 2014-07-10 2018-01-23 Leaf Sciences Pty Ltd methods for producing a cellulosic material, a paper-based product and a cellulose derivative, modified cellulosic material, a paper-based product, a cellulose derivative and apparatus for producing a cellulosic material
JP7165323B2 (en) * 2018-07-04 2022-11-04 株式会社片山化学工業研究所 Pulp cooking aid and method for producing chemical pulp using the same
US20240175205A1 (en) * 2022-11-29 2024-05-30 Solenis Technologies, L.P. Method for digesting lignocellulosic material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049567A (en) * 1934-06-05 1936-08-04 Du Pont Manufacture of paper pulp
FR950573A (en) * 1947-07-09 1949-09-30 Application of wetting agents in the manufacture of pulp
SE384883B (en) * 1974-09-06 1976-05-24 Kopparfors Ab WAY TO INCREASE THE CELLULOSE YIELD WHEN SULPHITE BOILING OF WOOD
FI783563A (en) * 1977-12-01 1979-06-02 Sandoz Ag FOERBAETTRINGAR I OCH ANGAOENDE ORGANISKA FOERENINGAR
DE2816473A1 (en) * 1978-04-15 1979-10-25 Bayer Ag DISPERSION FOR USE IN CELL PROCESSING

Also Published As

Publication number Publication date
IN151933B (en) 1983-09-03
JPS556585A (en) 1980-01-18
PH15789A (en) 1983-03-25
ES481720A1 (en) 1980-02-16
FI66442C (en) 1984-10-10
CA1140706A (en) 1983-02-08
AU4821079A (en) 1980-01-03
NO791974L (en) 1979-12-27
NZ190753A (en) 1981-07-13
BR7903896A (en) 1980-02-20
EP0006201A1 (en) 1980-01-09
PT69751A (en) 1979-07-01
FI66442B (en) 1984-06-29
TR20455A (en) 1981-07-14
EP0006201B1 (en) 1983-05-18
DE2827111A1 (en) 1980-01-10
ATE3449T1 (en) 1983-06-15
ZA793064B (en) 1980-08-27
FI791949A (en) 1979-12-22
AU537690B2 (en) 1984-07-05

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee