CA2074066A1 - Reducing foaming in paper manufacture - Google Patents

Reducing foaming in paper manufacture

Info

Publication number
CA2074066A1
CA2074066A1 CA002074066A CA2074066A CA2074066A1 CA 2074066 A1 CA2074066 A1 CA 2074066A1 CA 002074066 A CA002074066 A CA 002074066A CA 2074066 A CA2074066 A CA 2074066A CA 2074066 A1 CA2074066 A1 CA 2074066A1
Authority
CA
Canada
Prior art keywords
paper
water
acid anhydride
sized
sizing
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.)
Abandoned
Application number
CA002074066A
Other languages
English (en)
French (fr)
Inventor
Alberto Malatesta
Christian Pierre
Rene Cohard
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.)
Callaway Chemical Corp
Original Assignee
Individual
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 GB909001438A external-priority patent/GB9001438D0/en
Priority claimed from GB909008336A external-priority patent/GB9008336D0/en
Application filed by Individual filed Critical Individual
Publication of CA2074066A1 publication Critical patent/CA2074066A1/en
Abandoned 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
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/65—Acid 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
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/12—Defoamers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Complex Calculations (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Making Paper Articles (AREA)
CA002074066A 1990-01-22 1991-01-21 Reducing foaming in paper manufacture Abandoned CA2074066A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9001438.2 1990-01-22
GB909001438A GB9001438D0 (en) 1990-01-22 1990-01-22 Reducing foaming in paper manufacture
GB9008336.1 1990-04-12
GB909008336A GB9008336D0 (en) 1990-04-12 1990-04-12 Reducing foaming in paper manufacture

Publications (1)

Publication Number Publication Date
CA2074066A1 true CA2074066A1 (en) 1991-07-23

Family

ID=26296538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074066A Abandoned CA2074066A1 (en) 1990-01-22 1991-01-21 Reducing foaming in paper manufacture

Country Status (12)

Country Link
EP (1) EP0512038B1 (de)
JP (1) JPH10502134A (de)
AT (1) ATE118848T1 (de)
CA (1) CA2074066A1 (de)
DE (1) DE69107611T2 (de)
DK (1) DK0512038T3 (de)
ES (1) ES2068570T3 (de)
FI (1) FI923316A0 (de)
NO (1) NO922782L (de)
PT (1) PT96547B (de)
WO (1) WO1991010776A1 (de)
YU (1) YU39791A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8816474U1 (de) * 1988-04-30 1989-11-02 Henkel Kgaa, 4000 Duesseldorf, De
US6133703A (en) * 1998-03-12 2000-10-17 The Chamberlain Group, Inc. Bi-directional pass-point system for controlling the operation of movable barriers
US6172475B1 (en) 1998-09-28 2001-01-09 The Chamberlain Group, Inc. Movable barrier operator
FI20060670A0 (fi) * 2006-07-10 2006-07-10 Mikko Kaira Menetelmä kuitutuotteen bulkin lisäämiseksi ja muodostettu kuitutuote

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA69742A (en) * 1900-10-23 1900-12-22 David E. Smith Oil cup
US3573222A (en) * 1969-07-02 1971-03-30 Pennwalt Corp Defoaming composition,its use and process for its preparation
CA1069742A (en) * 1978-01-03 1980-01-15 Edwin H. Flaherty Pulp sheet formation
AU546999B2 (en) * 1980-05-28 1985-10-03 Eka A.B. Adding binder to paper making stock
US4443357A (en) * 1981-01-12 1984-04-17 Economics Laboratory, Inc. Hydrophobic silica or silicate, compositions containing the same and methods for making and using the same
IT1163643B (it) * 1983-07-01 1987-04-08 Prodeco Spa Procedimento per la collatura di carta, in particolare in presenza di una carica sensibile ad ambiente acido
FR2612961B1 (fr) * 1987-03-23 1989-10-13 Atochem Procede de fabrication du papier par adjonction a la suspension fibreuse d'une charge minerale, d'un agent de collage, d'amidon cationique et de polychlorure d'aluminium

Also Published As

Publication number Publication date
EP0512038A1 (de) 1992-11-11
NO922782D0 (no) 1992-07-14
DK0512038T3 (da) 1995-07-24
DE69107611D1 (de) 1995-03-30
NO922782L (no) 1992-09-18
JPH10502134A (ja) 1998-02-24
YU39791A (sh) 1993-11-16
DE69107611T2 (de) 1995-06-14
FI923316A (fi) 1992-07-21
FI923316A0 (fi) 1992-07-21
ES2068570T3 (es) 1995-04-16
WO1991010776A1 (en) 1991-07-25
PT96547B (pt) 1998-07-31
PT96547A (pt) 1991-10-15
ATE118848T1 (de) 1995-03-15
EP0512038B1 (de) 1995-02-22

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Legal Events

Date Code Title Description
FZDE Discontinued