BE727631A - - Google Patents

Info

Publication number
BE727631A
BE727631A BE727631DA BE727631A BE 727631 A BE727631 A BE 727631A BE 727631D A BE727631D A BE 727631DA BE 727631 A BE727631 A BE 727631A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE727631A publication Critical patent/BE727631A/xx

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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/08—Working media
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/04—Pitch control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/12—Seasoning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
BE727631D 1968-01-30 1969-01-30 BE727631A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1239/68A SE309531B (pt) 1968-01-30 1968-01-30

Publications (1)

Publication Number Publication Date
BE727631A true BE727631A (pt) 1969-07-01

Family

ID=20257840

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727631D BE727631A (pt) 1968-01-30 1969-01-30

Country Status (10)

Country Link
US (1) US3619351A (pt)
AT (1) AT283104B (pt)
BE (1) BE727631A (pt)
DE (1) DE1903536A1 (pt)
FI (1) FI48858C (pt)
FR (1) FR2000971A1 (pt)
GB (1) GB1263331A (pt)
NL (1) NL6900691A (pt)
NO (1) NO122866B (pt)
SE (1) SE309531B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673460A (en) * 1984-09-27 1987-06-16 Stepan Company Deresination method of wood pulp
US5223097A (en) * 1986-01-09 1993-06-29 W. R. Grace Ab Method for controlling pitch on a paper-making machine
US5626720A (en) * 1986-01-09 1997-05-06 W.R. Grace & Co.-Conn. Method for controlling pitch on a papermaking machine
US4744865A (en) * 1986-06-03 1988-05-17 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
US5074961A (en) * 1986-06-03 1991-12-24 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
US4846933A (en) * 1986-06-03 1989-07-11 Betz Laboratories, Inc. Process for controlling pitch deposition from pulp in papermaking systems
US4765867A (en) * 1986-07-02 1988-08-23 Betz Laboratories, Inc. Pitch control process utilizing quaternized polyamine ionene polymer
GB2205591B (en) * 1987-05-01 1990-03-07 Grace W R & Co Pitch control aid
US4995944A (en) * 1988-09-16 1991-02-26 Dearborn Chemical Company Ltd. Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture
GB2251868B (en) * 1990-12-24 1994-07-27 Grace W R & Co Pitch control
CA2059256A1 (en) * 1992-01-13 1993-07-14 David Arthur Aston Pitch control
US6364999B1 (en) 1995-12-27 2002-04-02 Weyerhaeuser Company Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions
US20020062935A1 (en) * 1995-12-27 2002-05-30 Weyerhaeuser Company Paper and absorbent products with reduced pitch content
US5698667A (en) * 1995-12-27 1997-12-16 Weyerhaeuser Company Pretreatment of wood particulates for removal of wood extractives
US6075076A (en) * 1995-12-27 2000-06-13 North American Paper Corporation Composite wood products prepared from solvent extracted wood particulates
WO2005009601A2 (en) * 2003-07-24 2005-02-03 Huntsman Petrochemical Corporation Low-odor catalyst for isocyanate-derived foams and elastomers
US7935222B2 (en) * 2005-03-04 2011-05-03 Kemira Chemicals, Inc. Papermaking method using one or more quaternized dialkanolamine fatty acid ester compounds to control opacity and paper product made thereby
JP2019039113A (ja) * 2017-08-28 2019-03-14 日華化学株式会社 ピッチコントロール剤及びピッチコントロール方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA566988A (en) * 1958-12-02 P. H. E. Holgersson Sigbjorn Method of preventing depositions of pitch from mechanical pulp and semi-pulp

Also Published As

Publication number Publication date
FI48858C (fi) 1975-01-10
NL6900691A (pt) 1969-08-01
GB1263331A (en) 1972-02-09
DE1903536A1 (de) 1970-10-15
AT283104B (de) 1970-07-27
FI48858B (pt) 1974-09-30
NO122866B (pt) 1971-08-23
SE309531B (pt) 1969-03-24
US3619351A (en) 1971-11-09
FR2000971A1 (pt) 1969-09-19

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