EP1106733A1 - Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren - Google Patents

Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren Download PDF

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Publication number
EP1106733A1
EP1106733A1 EP99403111A EP99403111A EP1106733A1 EP 1106733 A1 EP1106733 A1 EP 1106733A1 EP 99403111 A EP99403111 A EP 99403111A EP 99403111 A EP99403111 A EP 99403111A EP 1106733 A1 EP1106733 A1 EP 1106733A1
Authority
EP
European Patent Office
Prior art keywords
lotion
paper product
liquid vehicle
paper
product
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.)
Withdrawn
Application number
EP99403111A
Other languages
English (en)
French (fr)
Inventor
Bruno Bret
Jean-François LEBOEUF
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.)
Essity Operations France SAS
Original Assignee
Fort James France
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 Fort James France filed Critical Fort James France
Priority to EP99403111A priority Critical patent/EP1106733A1/de
Priority to DE60037172T priority patent/DE60037172D1/de
Priority to EP20000403370 priority patent/EP1108814B1/de
Priority to US09/729,224 priority patent/US6740329B2/en
Priority to CA002327923A priority patent/CA2327923C/en
Publication of EP1106733A1 publication Critical patent/EP1106733A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky

Definitions

  • the present invention relates to a method for depositing room temperature, on an absorbent paper product, a softening lotion.
  • the invention relates more particularly to a method for place at room temperature on a cotton wool product cellulose, a softening or emollient lotion which is in the state liquid at room temperature.
  • Absorbent paper means cellulose wadding obtained by wet process or the so-called "ugly air” paper obtained by wet process dry and made up of paper fibers linked by a binder thermoplastic such as latex.
  • the lotion to be deposited is of the type comprising one or several emollient active substances in dispersion or in emulsion in a volatile liquid vehicle, especially in water.
  • a emollient lotion that gives the paper a soft, slippery feel.
  • the lotion can be transferable paper to the user's skin.
  • the invention finds application in the manufacture of paper products such as household papers or sanitary. Mention may be made more particularly of the papers of which the use involves direct contact with the skin and friction repeated with it, such as tissues disposable, toilet paper or any other paper product intended for wiping the skin, cleansing towels, wipes dry, etc.
  • the invention also relates to a paper product obtained. according to the process.
  • the process used to depositing the lotion moistens the paper product as little as possible, which is inherently absorbent, in particular to avoid loss mechanical properties of the product during rewinding involved in the production cycle after the deposit stage of the lotion, and also to avoid degradation of the product during its storage after production.
  • the lotion and the materials are distributed in the most homogeneous and even on the surface of the product.
  • One of the other qualities of a paper product on which an emollient lotion has been deposited is the ability of the lotion present on the product, and in particular the active ingredients which it contains, to be transferred in whole or in part to the skin of the user, even when a small amount of active ingredients has been applied to the surface of the product, which is moreover desirable for the economic reasons mentioned above, in particular when this amount is less than 3 g / m 2 of surface of the product. product.
  • the invention proposes a process for depositing at room temperature on a product absorbent stationer, in particular in cellulose wadding, a lotion softening or emollient, liquid at room temperature, type comprising one or more active ingredient (s) emollient (s) in dispersion or emulsion in a vehicle volatile liquid, especially in water, characterized in that it consists in spraying the lotion by means of a gas flow under pressure to eliminate at least part of the vehicle volatile liquid to form and project fine droplets of lotion, the proportion of which in volatile liquid vehicle is reduced, which are deposited on at least one side of the paper product.
  • Spraying technique by atomization by means of a pressurized gas, which is preferably air under pressure, is implemented in the context of the invention according to a process which is different, even contradictory, with those usually used for example for the application industrial painting.
  • the volatile liquid vehicle is partially extracted during the spraying step.
  • an extraction cabin is used in order to partially extract the vaporized liquid vehicle (water) and eliminate external pollution.
  • the pressure of the spray gas is greater than 2 bars, and preferably greater than 4 bars.
  • the proportion by weight of active ingredient (s) in the lotion is between 1% and 50%, preferably between between 20% and 50% and more particularly equal to around 30%.
  • Active ingredients are emollient components solid or semi-solid, in particular of the type described in WO-A-97/30216 or WO-A-97/30217.
  • the liquid vehicle is preferably water, but it can also be another volatile liquid vehicle such as for example alcohols (methanol, ethanol), glycol ethers, etc.
  • the technical control of the process notably consists in optimize the various operating parameters of a spraying equipment, including the choice of spray nozzle spraying, air pressure and air / lotion ratio, depending on the composition of the solution. It is also important to adjust the positioning of the nozzle relative to the paper as well that its orientation and the shape of the jet obtained, i.e. its width and its "flattening".
  • the installation 10 comprises a frame or chassis which carries certain elements and apparatus for implementing the process for depositing the lotion on a sheet of paper 14.
  • the sheet 14 scrolls continuously along the path indicated by the arrows of the figure so as to traverse the zone of spraying and depositing 16 vertically from top to bottom according to the example shown.
  • the spraying means consist of a boom 18 of 20 spray guns which are arranged so adjacent according to the width of the paper width.
  • Each pistol 20 has an inlet 22 for supplying spray lotion which is connected, by a pipe 24, to a container 26 of lotion comprising a mixer 28.
  • a feed pump 30 is interposed between the tank 26 and each gun 20, the pump being at variable flow controlled.
  • Each gun 20 is supplied with atomizing air, at controlled variable pressure, by a pipe 32 connected to an air inlet 34 of the gun, and in control air by a line 36 connected to an inlet 38 of the gun 20.
  • Installation 10 includes cabins or boxes extraction 40, arranged at the rear of the width of the paper 14.
  • These extraction boxes 40 are connected to a fan outside 42 to create suction and depression inside in the vicinity of the spraying zone 16, the suction taking place through a filter 44.
  • the suction surface delimited by the filter 44 and vertically oriented is adjacent to the paper that passes through vertical scrolling of the spray area 16.
  • the installation 10 also includes another box suction 46 connected to an external fan 48 and provided with a filter 50 to aspirate the lotion which falls vertically without being deposited on paper 14.
  • the invention also relates to a paper product on at least one side of which an emollient lotion has been applied using the method according to the invention, characterized in that the quantity of lotion applied to said face is equal to at least 1.5 g / m 2 , preferably at least 2g / m 2 , and in that the lotion present on said face is easily transferable to the skin of a user of the paper product.
  • Table A relates to a first series of tests carried out on the depositor's paper of the "facial" type having a grammage of 45 g / m 2 "and aimed at carrying out a theoretical deposit of 2.6 g / m 2 of a lotion in the form of an aqueous dispersion whose viscosity is equal to 380cP and whose density is equal to 180g / 250ml.
  • the application of the lotion was carried out on a pilot machine with a width of 42cm wide and a paper running speed equal to 70 m / min, the spray nozzle being located 40 cm from the sheet of paper This test was carried out without extraction.
  • the lotion used contains 30% by weight of materials active.
  • the witness corresponds to a paper without application of lotion.
  • the amount of water "eliminated” is very important since it is between approximately 40% and 60% of the total water.
  • Table B relates to a second series of tests carried out under the same conditions but aimed at carrying out a theoretical deposit of 4.0 g / m 2 of the lotion.
  • the third table C below is representative of the quality of distribution of lotion deposits on the surface of the paper to which the lotion was applied according to the method of the invention.
  • test C1 The last three tests in the table were carried out by the rotor spraying process, successively applying a theoretical amount of lotion equal to 1.0 g / m 2 (test C1), 1.4 g / m 2 (test C2) and 2.6 g / m 2 (test C3).
  • Tests A1 to B5 very clearly show the very great dimensional homogeneity of the deposits and the almost uniformity of the distribution of these deposits on the surface, in particular if we compare these results with those obtained according to the rotor spraying process (tests C1 to C3).

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  • Paper (AREA)
  • Cosmetics (AREA)
EP99403111A 1999-12-10 1999-12-10 Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren Withdrawn EP1106733A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP99403111A EP1106733A1 (de) 1999-12-10 1999-12-10 Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren
DE60037172T DE60037172D1 (de) 1999-12-10 2000-12-01 Verfahren zum aufbringen einer Weichmacherlotion auf einem Papierprodukt und ein Papierprodukt hergestellt durch dieses Verfahren
EP20000403370 EP1108814B1 (de) 1999-12-10 2000-12-01 Verfahren zum aufbringen einer Weichmacherlotion auf einem Papierprodukt und ein Papierprodukt hergestellt durch dieses Verfahren
US09/729,224 US6740329B2 (en) 1999-12-10 2000-12-05 Process for applying a softening or emollient lotion to a paper product and paper product obtained according to this process
CA002327923A CA2327923C (en) 1999-12-10 2000-12-08 Process for applying a softening or emollient lotion to a paper product and paper product obtained according to this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99403111A EP1106733A1 (de) 1999-12-10 1999-12-10 Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren

Publications (1)

Publication Number Publication Date
EP1106733A1 true EP1106733A1 (de) 2001-06-13

Family

ID=8242214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99403111A Withdrawn EP1106733A1 (de) 1999-12-10 1999-12-10 Verfahren zum aufbringen einer weichmacherlotion auf einem papierprodukt und ein papierprodukt hergestellt durch dieses verfahren

Country Status (4)

Country Link
US (1) US6740329B2 (de)
EP (1) EP1106733A1 (de)
CA (1) CA2327923C (de)
DE (1) DE60037172D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7169400B2 (en) 2002-05-07 2007-01-30 Fort James Corporation Waterless lotion and lotion-treated substrate
US8012495B2 (en) * 2002-05-07 2011-09-06 Georgia-Pacific Consumer Products Lp Lotion-treated tissue and towel
WO2004035923A2 (en) * 2002-10-17 2004-04-29 The Procter & Gamble Company Tissue paper softening compositions and tissue papers comprising the same
EP1529879A1 (de) * 2003-11-06 2005-05-11 SCA Hygiene Products GmbH Tissuepapier mit einem unregelmässigen, farbigen Muster
FR2862200B1 (fr) * 2003-11-14 2006-09-01 Georgia Pacific France Produit en materiau fibreux conferent une sensation de fraicheur a son contact
US20080008865A1 (en) * 2006-06-23 2008-01-10 Georgia-Pacific Consumer Products Lp Antimicrobial hand towel for touchless automatic dispensers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997030216A1 (fr) * 1996-02-19 1997-08-21 Fort James France Composition de lotion adoucissante, utilisation en papeterie et produit papetier obtenu
WO1997030217A1 (fr) * 1996-02-19 1997-08-21 Fort James France Composition de lotion adoucissante, utilisation en papeterie et produit papetier obtenu
US5705164A (en) * 1995-08-03 1998-01-06 The Procter & Gamble Company Lotioned tissue paper containing a liquid polyol polyester emollient and an immobilizing agent
WO1999016974A1 (en) * 1997-10-01 1999-04-08 The Procter & Gamble Company Soft tissue paper having a softening composition containing an electrolyte deposited thereon
WO1999019081A1 (en) * 1997-10-10 1999-04-22 Union Carbide Chemicals & Plastics Technology Corporation Spray application of an additive composition to sheet materials

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5705164A (en) * 1995-08-03 1998-01-06 The Procter & Gamble Company Lotioned tissue paper containing a liquid polyol polyester emollient and an immobilizing agent
WO1997030216A1 (fr) * 1996-02-19 1997-08-21 Fort James France Composition de lotion adoucissante, utilisation en papeterie et produit papetier obtenu
WO1997030217A1 (fr) * 1996-02-19 1997-08-21 Fort James France Composition de lotion adoucissante, utilisation en papeterie et produit papetier obtenu
WO1999016974A1 (en) * 1997-10-01 1999-04-08 The Procter & Gamble Company Soft tissue paper having a softening composition containing an electrolyte deposited thereon
WO1999019081A1 (en) * 1997-10-10 1999-04-22 Union Carbide Chemicals & Plastics Technology Corporation Spray application of an additive composition to sheet materials

Also Published As

Publication number Publication date
DE60037172D1 (de) 2008-01-03
CA2327923A1 (en) 2001-06-10
US6740329B2 (en) 2004-05-25
US20010006676A1 (en) 2001-07-05
CA2327923C (en) 2009-07-07

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