WO2003064766A2 - A coating method involving the use of an electrical field - Google Patents

A coating method involving the use of an electrical field Download PDF

Info

Publication number
WO2003064766A2
WO2003064766A2 PCT/FI2003/000079 FI0300079W WO03064766A2 WO 2003064766 A2 WO2003064766 A2 WO 2003064766A2 FI 0300079 W FI0300079 W FI 0300079W WO 03064766 A2 WO03064766 A2 WO 03064766A2
Authority
WO
WIPO (PCT)
Prior art keywords
coating
web
paper
typically
color
Prior art date
Application number
PCT/FI2003/000079
Other languages
English (en)
French (fr)
Other versions
WO2003064766A3 (en
Inventor
Keijo KÄPYNEN
Päivi MIETTINEN
Kari Nurmi
Anna-Liisa Tammi
Jan-Erik Teirfolk
Original Assignee
Raisio Chemicals Ltd
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 Raisio Chemicals Ltd filed Critical Raisio Chemicals Ltd
Priority to AU2003201981A priority Critical patent/AU2003201981A1/en
Publication of WO2003064766A2 publication Critical patent/WO2003064766A2/en
Publication of WO2003064766A3 publication Critical patent/WO2003064766A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • B05B5/14—Plant for applying liquids or other fluent materials to objects specially adapted for coating continuously moving elongated bodies, e.g. wires, strips, pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/045—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field on non-conductive substrates
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2203/00—Other substrates
    • B05D2203/20—Wood or similar material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2252/00—Sheets
    • B05D2252/02—Sheets of indefinite length
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments

Definitions

  • step (b) the web that is electrically charged in step (a) is conducted to the coating station, and
  • the web is advantageously conducted, in a vertical position, from step (a) to step (c).
  • the web is conducted in a vertical position also through the coating station in step (c).
  • the hitch roll in connection with which the web is electrically charged, is arranged on a higher level than the coating station proper, so that the web proceeds in an essentially vertical position downwardly from the hitch roll towards the coating station, and in a vertical position at least through the main part of the coating station.
  • the passage of the web can naturally be arranged in another direction.
  • any harmful formation of color mist is essentially reduced. This reduces the occurrence of smudging of the surfaces.
  • it is not absolutely necessary to provide separate devices for removing color mist. An uncontrolled proceeding of the color into waste waters is essentially reduced. It is not necessary to cover the coating station in order to prevent the color mist from spreading, and neither is it necessary to provide the coating station with a powerful suction system in order to remove the mist.
  • the more limited atomization of the color also reduces the creation of waste waters. Consequently the coating station can be built in a space that is smaller than in the prior art, when the number of auxiliary devices earlier needed because of the color mist is reduced or even eliminated.

Landscapes

  • Paper (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
PCT/FI2003/000079 2002-01-31 2003-01-31 A coating method involving the use of an electrical field WO2003064766A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003201981A AU2003201981A1 (en) 2002-01-31 2003-01-31 A coating method involving the use of an electrical field

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20020182A FI115408B (fi) 2002-01-31 2002-01-31 Menetelmä paperi- tai kartonkirainan päällystämiseksi, menetelmän käyttö ja päällystyspasta
FI20020182 2002-01-31

Publications (2)

Publication Number Publication Date
WO2003064766A2 true WO2003064766A2 (en) 2003-08-07
WO2003064766A3 WO2003064766A3 (en) 2003-11-13

Family

ID=8562992

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2003/000079 WO2003064766A2 (en) 2002-01-31 2003-01-31 A coating method involving the use of an electrical field

Country Status (3)

Country Link
AU (1) AU2003201981A1 (fi)
FI (1) FI115408B (fi)
WO (1) WO2003064766A2 (fi)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023093A1 (en) 2006-08-24 2008-02-28 Stora Enso Oyj Method for coating a paper surface and a product thus obtained
EP2860312A1 (en) * 2013-10-08 2015-04-15 Valmet Technologies, Inc. Arrangement of a fiber web production line and method of a fiber web production line
EP3733966A4 (en) * 2017-12-28 2021-02-24 Corelex Shin-Ei Co., Ltd. MANUFACTURING PROCESS FOR DEODORIZING PAPER

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258016A1 (en) * 1986-08-29 1988-03-02 Minnesota Mining And Manufacturing Company Electrospray coating process and apparatus
US5120365A (en) * 1988-03-07 1992-06-09 Pluss-Staufer Ag Pigment mixture for the paper industry consisting of calcium carbonate, dolomite or mixtures thereof and a talc-kaoline mixture
EP0530752A1 (en) * 1991-09-02 1993-03-10 Fuji Photo Film Co., Ltd. Coating method
EP0924342A2 (en) * 1997-12-19 1999-06-23 Ecc International Limited Packaging materials
WO2001028693A1 (de) * 1999-10-18 2001-04-26 Eltex-Elektrostatik Gmbh Vorrichtung zum befeuchten einer materialbahn
US6248407B1 (en) * 1998-05-07 2001-06-19 Voith Sulzer Papiertechnik Gmbh Method for applying a coating medium onto a moving surface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258016A1 (en) * 1986-08-29 1988-03-02 Minnesota Mining And Manufacturing Company Electrospray coating process and apparatus
US5120365A (en) * 1988-03-07 1992-06-09 Pluss-Staufer Ag Pigment mixture for the paper industry consisting of calcium carbonate, dolomite or mixtures thereof and a talc-kaoline mixture
EP0530752A1 (en) * 1991-09-02 1993-03-10 Fuji Photo Film Co., Ltd. Coating method
EP0924342A2 (en) * 1997-12-19 1999-06-23 Ecc International Limited Packaging materials
US6248407B1 (en) * 1998-05-07 2001-06-19 Voith Sulzer Papiertechnik Gmbh Method for applying a coating medium onto a moving surface
WO2001028693A1 (de) * 1999-10-18 2001-04-26 Eltex-Elektrostatik Gmbh Vorrichtung zum befeuchten einer materialbahn

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023093A1 (en) 2006-08-24 2008-02-28 Stora Enso Oyj Method for coating a paper surface and a product thus obtained
EP2860312A1 (en) * 2013-10-08 2015-04-15 Valmet Technologies, Inc. Arrangement of a fiber web production line and method of a fiber web production line
EP3733966A4 (en) * 2017-12-28 2021-02-24 Corelex Shin-Ei Co., Ltd. MANUFACTURING PROCESS FOR DEODORIZING PAPER
US11396727B2 (en) 2017-12-28 2022-07-26 Corelex Shin-Ei Co., Ltd. Deodorant-paper manufacturing method

Also Published As

Publication number Publication date
FI20020182A0 (fi) 2002-01-31
WO2003064766A3 (en) 2003-11-13
AU2003201981A1 (en) 2003-09-02
FI115408B (fi) 2005-04-29
FI20020182A (fi) 2003-08-01

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