FR874759A - Process for preventing resin separations in papermaking - Google Patents

Process for preventing resin separations in papermaking

Info

Publication number
FR874759A
FR874759A FR874759DA FR874759A FR 874759 A FR874759 A FR 874759A FR 874759D A FR874759D A FR 874759DA FR 874759 A FR874759 A FR 874759A
Authority
FR
France
Prior art keywords
papermaking
separations
preventing resin
resin
preventing
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
Other languages
French (fr)
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.)
Joh A Benckiser GmbH
Original Assignee
Joh A Benckiser 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 DEC55954D external-priority patent/DE740833C/en
Priority claimed from DEC56402D external-priority patent/DE742617C/en
Application filed by Joh A Benckiser GmbH filed Critical Joh A Benckiser GmbH
Application granted granted Critical
Publication of FR874759A publication Critical patent/FR874759A/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
    • 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
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
FR874759D 1940-08-19 1941-08-19 Process for preventing resin separations in papermaking Expired FR874759A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC55954D DE740833C (en) 1940-08-19 1940-08-19 Process for preventing resin precipitation in paper manufacture
DEC56402D DE742617C (en) 1941-03-28 1941-03-28 Process for preventing resin precipitations in paper manufacture

Publications (1)

Publication Number Publication Date
FR874759A true FR874759A (en) 1942-08-26

Family

ID=25970490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874759D Expired FR874759A (en) 1940-08-19 1941-08-19 Process for preventing resin separations in papermaking

Country Status (3)

Country Link
CH (1) CH226936A (en)
FR (1) FR874759A (en)
NL (1) NL58741C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349311A2 (en) * 1988-06-29 1990-01-03 Ecc International Limited Pitch control
US5221436A (en) * 1988-06-29 1993-06-22 Ecc International Limited Pitch control using clay coated with an inorganic gel

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB770389A (en) * 1954-06-18 1957-03-20 Kopparfors Ab A method of preventing depositions of pitch from sulphite pulp
GB769849A (en) * 1955-03-09 1957-03-13 Kopparfors Ab A method of preventing depositions of pitch from mechanical pulp and semi-pulp
DE1064801B (en) * 1956-10-26 1959-09-03 Benckiser Gmbh Joh A Process for combating congestion, blockages and slime formation in pipe systems and apparatus, especially in the pulp, wood pulp, paper and cardboard industries

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349311A2 (en) * 1988-06-29 1990-01-03 Ecc International Limited Pitch control
EP0349311A3 (en) * 1988-06-29 1991-02-06 Ecc International Limited Pitch control
US5221436A (en) * 1988-06-29 1993-06-22 Ecc International Limited Pitch control using clay coated with an inorganic gel

Also Published As

Publication number Publication date
CH226936A (en) 1943-05-15
NL58741C (en)

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